/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255,255,255,0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 12px 40px rgba(0,0,0,0.35);
            --shadow-hover: 0 20px 60px rgba(0,0,0,0.5);
            --font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-display: 'Barlow Condensed','DIN Alternate','Archivo Narrow','PingFang SC',sans-serif;
            --transition: .3s cubic-bezier(.4,0,.2,1);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: .95rem;
            line-height: 1.75;
            background: var(--color-bg);
            color: var(--color-text);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .3s, opacity .3s;
        }
        a:hover {
            color: var(--color-primary-hover);
            text-decoration: none;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== 排版 ===== */
        h1,
        h2,
        h3,
        h4 {
            letter-spacing: .02em;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.6rem, 6vw, 4.6rem);
            font-weight: 800;
        }
        h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
        }
        .section-sub {
            color: var(--color-text-secondary);
            margin-top: .5rem;
            font-size: 1rem;
        }
        .text-serif-num {
            font-family: var(--font-display);
        }

        /* ===== 通用按钮 ===== */
        .btn {
            border-radius: 999px;
            font-weight: 700;
            letter-spacing: .04em;
            transition: all var(--transition);
        }
        .btn:focus,
        .btn:active,
        .btn-ghost:focus,
        .btn-ghost:active {
            outline: 2px solid rgba(212,162,78,.4);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-primary {
            --bs-btn-bg: var(--color-primary);
            --bs-btn-border-color: var(--color-primary);
            --bs-btn-color: #08090b;
            --bs-btn-hover-bg: var(--color-primary-hover);
            --bs-btn-hover-border-color: var(--color-primary-hover);
            --bs-btn-hover-color: #08090b;
            --bs-btn-active-bg: #c2973d;
            --bs-btn-active-border-color: #c2973d;
            --bs-btn-active-color: #08090b;
            --bs-btn-focus-shadow-rgb: 212,162,78;
            padding: .75rem 2.2rem;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212,162,78,.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255,255,255,.25);
            color: var(--color-text);
            padding: .75rem 2.2rem;
            border-radius: 999px;
            font-weight: 700;
            letter-spacing: .04em;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            transition: all var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,.06);
            border-color: rgba(255,255,255,.45);
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .btn-ghost:hover i {
            transform: translateX(4px);
        }
        .btn-ghost i {
            transition: transform .3s;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(10,12,14,.3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid var(--color-line);
            box-shadow: 0 8px 32px rgba(0,0,0,.15);
            transition: background .4s, box-shadow .4s, border-color .4s;
        }
        .site-header.is-scrolled {
            background: rgba(8,10,12,.94);
            box-shadow: 0 8px 40px rgba(0,0,0,.5);
            border-color: rgba(255,255,255,.04);
        }
        .navbar {
            padding: .9rem 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: .02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: .15rem;
            transition: color .3s;
        }
        .navbar-brand:hover {
            color: var(--color-text);
        }
        .navbar-brand .brand-em {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4em;
            color: var(--color-primary);
        }
        .navbar-nav {
            gap: 2rem;
        }
        .navbar-nav .nav-link {
            color: var(--color-text);
            font-size: .95rem;
            letter-spacing: .08em;
            padding: .5rem 0;
            position: relative;
            transition: color .3s;
            font-weight: 500;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 0;
            height: 2px;
            background: var(--color-primary);
            transition: right .3s ease;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--color-primary);
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            right: 0;
        }
        .header-cta {
            padding: .55rem 1.8rem;
            font-size: .9rem;
        }
        .navbar-toggler {
            border: none;
            width: 44px;
            height: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            padding: 8px;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(212,162,78,.4);
        }
        .navbar-toggler .toggler-line {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all .3s;
        }
        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(8,10,12,.98);
                border-radius: 14px;
                padding: 1.5rem;
                margin-top: 1rem;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--color-line);
            }
            .navbar-nav {
                gap: .5rem;
            }
            .header-cta {
                margin-top: 1rem;
                width: 100%;
            }
        }

        /* ===== Hero 区 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(8,9,11,.92) 30%, rgba(8,9,11,.68) 60%, rgba(8,9,11,.45));
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212,162,78,.18) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-grid {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
            background-size: 64px 64px;
            z-index: 1;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 100px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            letter-spacing: .14em;
            color: var(--color-primary);
            background: rgba(212,162,78,.1);
            border: 1px solid rgba(212,162,78,.3);
            padding: .35rem 1.1rem;
            border-radius: 999px;
            margin-bottom: 1.8rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        .hero h1 {
            color: var(--color-text);
            max-width: 720px;
            margin-bottom: 1.2rem;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .hero-stats-panel {
            background: rgba(16,19,22,.65);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,.1);
            border-radius: var(--radius-lg);
            padding: 2rem 2.2rem;
            box-shadow: var(--shadow-card);
            max-width: 360px;
            margin-left: auto;
            position: relative;
            overflow: hidden;
        }
        .hero-stats-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), transparent);
        }
        .stat-item {
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--color-line);
        }
        .stat-item:last-child {
            border-bottom: none;
            padding-bottom: .6rem;
        }
        .stat-num {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
            color: var(--color-primary);
            letter-spacing: .02em;
        }
        .stat-label {
            color: var(--color-text-secondary);
            font-size: .85rem;
            letter-spacing: .1em;
            margin-top: .35rem;
        }
        .scroll-indicator {
            position: absolute;
            left: 50%;
            bottom: 32px;
            transform: translateX(-50%);
            z-index: 3;
            width: 1px;
            height: 64px;
            overflow: hidden;
        }
        .scroll-line {
            display: block;
            width: 100%;
            height: 100%;
            background: var(--color-primary);
            animation: scrollHint 2s ease infinite;
        }
        @keyframes scrollHint {
            0% {
                transform: scaleY(0);
                transform-origin: top;
                opacity: 0;
            }
            50% {
                transform: scaleY(1);
                transform-origin: top;
                opacity: 1;
            }
            100% {
                transform: scaleY(0);
                transform-origin: bottom;
                opacity: 0;
            }
        }
        @media (max-width: 991px) {
            .hero .container {
                padding-top: 100px;
            }
            .hero-stats-panel {
                margin: 2rem auto 0;
                max-width: 340px;
            }
        }
        @media (max-width: 767px) {
            .hero {
                min-height: auto;
                padding: 7rem 0 4rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .scroll-indicator {
                display: none;
            }
            .hero-stats-panel {
                max-width: 100%;
            }
        }

        /* ===== 通用 Section 间距 ===== */
        .theme-section {
            padding: clamp(4rem, 8vw, 7rem) 0;
        }
        .theme-section-alt {
            background: var(--color-surface);
        }
        .section-head {
            margin-bottom: 3rem;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .78rem;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: .75rem;
        }
        .section-eyebrow::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--color-primary);
        }

        /* ===== 平台数据统计区 ===== */
        .stats-section {
            padding: 3.5rem 0;
            background: linear-gradient(180deg, var(--color-bg), var(--color-surface));
            border-bottom: 1px solid var(--color-line);
        }
        .stat-block {
            text-align: center;
            padding: 1.75rem 1rem;
        }
        .stat-block .stat-num {
            font-size: 3.4rem;
            color: var(--color-text);
        }
        .stat-block .stat-num span {
            color: var(--color-primary);
        }
        .stat-block .stat-label {
            color: var(--color-text-secondary);
            font-size: .9rem;
            letter-spacing: .08em;
            margin-top: .3rem;
        }
        @media (max-width: 767px) {
            .stat-block {
                padding: 1rem;
            }
            .stat-block .stat-num {
                font-size: 2.4rem;
            }
        }

        /* ===== 玩法介绍区 ===== */
        .gameplay-section {
            position: relative;
            background: var(--color-bg);
        }
        .steps-wrapper {
            display: flex;
            align-items: stretch;
            gap: 1rem;
        }
        .step-card {
            flex: 1;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            position: relative;
            overflow: hidden;
            transition: all var(--transition);
            z-index: 1;
        }
        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            opacity: 0;
            transition: opacity .3s;
        }
        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255,255,255,.16);
            box-shadow: var(--shadow-hover);
        }
        .step-card:hover::before {
            opacity: 1;
            animation: flowLine 1.6s ease infinite;
        }
        @keyframes flowLine {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        .step-num {
            font-family: var(--font-display);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1;
            color: var(--color-primary);
            opacity: .85;
            margin-bottom: .6rem;
            letter-spacing: .04em;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            background: rgba(212,162,78,.1);
            border: 1px solid rgba(212,162,78,.25);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.4rem;
            color: var(--color-primary);
            font-size: 1.3rem;
        }
        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: .75rem;
        }
        .step-card p {
            color: var(--color-text-secondary);
            font-size: .92rem;
            margin: 0;
        }
        .step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 .25rem;
        }
        .step-connector .dash-line {
            width: 38px;
            border-top: 2px dashed rgba(255,255,255,.2);
            position: relative;
        }
        .step-connector .dash-line::after {
            content: '';
            position: absolute;
            right: -2px;
            top: -5px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: .6;
        }
        @media (max-width: 991px) {
            .steps-wrapper {
                flex-direction: column;
            }
            .step-connector {
                padding: .5rem 0;
            }
            .step-connector .dash-line {
                width: 2px;
                height: 40px;
                border-top: none;
                border-left: 2px dashed rgba(255,255,255,.2);
            }
            .step-connector .dash-line::after {
                right: auto;
                top: auto;
                left: -5px;
                bottom: -2px;
            }
        }

        /* ===== 奖励预览区 ===== */
        .reward-section {
            background: var(--color-bg);
            border-top: 1px solid var(--color-line);
        }
        .reward-list {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: transparent;
        }
        .reward-row {
            display: flex;
            align-items: center;
            gap: 2rem;
            padding: 1.75rem 1.5rem;
            border-bottom: 1px solid var(--color-line);
            border-radius: 12px;
            transition: all var(--transition);
            position: relative;
            background: transparent;
            min-height: 130px;
        }
        .reward-row:first-child {
            border-top: 1px solid var(--color-line);
        }
        .reward-row:last-child {
            border-bottom: none;
        }
        .reward-row:hover {
            background: var(--color-surface);
            transform: translateX(8px);
            box-shadow: var(--shadow-card);
            border-color: transparent;
        }
        .reward-row:hover .reward-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        .reward-rank {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            min-width: 74px;
            text-align: center;
            padding: .4rem .75rem;
            border-radius: 12px;
            border: 2px solid;
            letter-spacing: .06em;
            flex-shrink: 0;
        }
        .reward-rank.rank-s {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(212,162,78,.1);
        }
        .reward-rank.rank-a {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(47,160,138,.08);
        }
        .reward-rank.rank-b {
            color: #C0C4C8;
            border-color: rgba(255,255,255,.3);
            background: rgba(255,255,255,.04);
        }
        .reward-rank.rank-c {
            color: var(--color-text-secondary);
            border-color: rgba(255,255,255,.2);
        }
        .reward-cover {
            flex: 0 0 160px;
            height: 90px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--color-line);
            position: relative;
        }
        .reward-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .reward-row:hover .reward-cover img {
            transform: scale(1.06);
        }
        .reward-info {
            flex: 1;
            min-width: 0;
        }
        .reward-info .reward-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: .35rem;
            transition: transform .3s;
        }
        .reward-row:hover .reward-title {
            transform: translateX(-4px);
        }
        .reward-info p {
            color: var(--color-text-secondary);
            font-size: .9rem;
            margin: 0;
            line-height: 1.65;
        }
        .reward-value {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: .04em;
        }
        .reward-arrow {
            color: var(--color-primary);
            opacity: 0;
            transform: translateX(-8px);
            transition: all .3s;
            flex-shrink: 0;
        }
        @media (max-width: 767px) {
            .reward-row {
                flex-wrap: wrap;
                gap: 1rem;
                padding: 1.25rem;
            }
            .reward-cover {
                flex: 1 1 100%;
                height: 70px;
                order: 4;
            }
            .reward-arrow {
                display: none;
            }
            .reward-value {
                font-size: 1.1rem;
            }
        }

        /* ===== 任务中心区 ===== */
        .task-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }
        .task-progress-wrap {
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            margin-bottom: 2.5rem;
        }
        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .progress-header .label {
            color: var(--color-text-secondary);
            font-size: .9rem;
            letter-spacing: .1em;
        }
        .progress-percent {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }
        .task-track {
            position: relative;
            height: 4px;
            background: rgba(255,255,255,.08);
            border-radius: 99px;
            overflow: visible;
        }
        .task-track-fill {
            position: absolute;
            top: 0;
            left: 0;
            height: 100%;
            width: 0;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 99px;
            transition: width 1.4s cubic-bezier(.4,0,.2,1);
        }
        .task-node {
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-surface-2);
            border: 2px solid rgba(255,255,255,.25);
            z-index: 1;
            transition: all .3s;
        }
        .task-node.is-done {
            background: var(--color-accent);
            border-color: var(--color-accent);
        }
        .task-node.is-current {
            background: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: 0 0 0 6px rgba(212,162,78,.18);
        }
        .task-node:nth-child(2) {
            left: 0;
        }
        .task-node:nth-child(3) {
            left: 25%;
        }
        .task-node:nth-child(4) {
            left: 50%;
        }
        .task-node:nth-child(5) {
            left: 75%;
        }
        .task-node:nth-child(6) {
            left: 100%;
        }
        .task-list {
            margin-top: 2rem;
        }
        .task-row {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
            transition: all var(--transition);
        }
        .task-row:hover {
            border-color: rgba(255,255,255,.16);
            transform: translateX(4px);
        }
        .task-status {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 2px solid rgba(255,255,255,.25);
            color: var(--color-text-secondary);
            font-size: 1rem;
        }
        .task-status.done {
            background: rgba(47,160,138,.12);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .task-status.current {
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(212,162,78,.1);
        }
        .task-info {
            flex: 1;
            min-width: 0;
        }
        .task-info .task-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: .2rem;
        }
        .task-info .task-desc {
            color: var(--color-text-secondary);
            font-size: .88rem;
            margin: 0;
        }
        .task-link {
            font-size: .9rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            transition: color .3s;
            white-space: nowrap;
        }
        .task-link i {
            transition: transform .3s;
        }
        .task-link:hover {
            color: var(--color-primary-hover);
        }
        .task-link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 575px) {
            .task-row {
                flex-wrap: wrap;
                padding: 1rem;
            }
            .task-link {
                margin-left: calc(46px + 1.25rem);
            }
        }

        /* ===== 最新资讯区 ===== */
        .news-section {
            background: var(--color-bg);
        }
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.75rem;
        }
        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255,255,255,.16);
            box-shadow: var(--shadow-hover);
        }
        .news-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-tag {
            display: inline-block;
            background: rgba(212,162,78,.1);
            border: 1px solid rgba(212,162,78,.25);
            color: var(--color-primary);
            font-size: .72rem;
            letter-spacing: .1em;
            padding: .2rem .9rem;
            border-radius: 999px;
            margin-bottom: .8rem;
            align-self: flex-start;
        }
        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: .6rem;
            line-height: 1.45;
        }
        .news-body h3 a {
            color: var(--color-text);
            transition: color .3s;
        }
        .news-body h3 a:hover {
            color: var(--color-primary);
        }
        .news-body>p {
            color: var(--color-text-secondary);
            font-size: .9rem;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
            flex: 1;
        }
        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .8rem;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-line);
            padding-top: .9rem;
        }
        .news-meta .meta-time i {
            margin-right: .3rem;
        }
        .news-meta .read-link {
            color: var(--color-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            transition: color .3s;
        }
        .news-meta .read-link i {
            font-size: .75rem;
            transition: transform .3s;
        }
        .news-meta .read-link:hover {
            color: var(--color-primary-hover);
        }
        .news-meta .read-link:hover i {
            transform: translateX(4px);
        }
        .news-empty {
            border: 2px dashed rgba(255,255,255,.15);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2rem;
            text-align: center;
            color: var(--color-text-secondary);
            background: transparent;
            grid-column: 1 / -1;
        }
        .news-empty i {
            font-size: 2.6rem;
            display: block;
            margin-bottom: 1rem;
            color: var(--color-primary);
            opacity: .7;
        }
        .news-empty p {
            margin: 0;
            font-size: .95rem;
        }
        @media (max-width: 767px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            background: var(--color-bg);
            border-top: 1px solid var(--color-line);
        }
        .custom-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .custom-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--color-line);
            border-radius: 0;
        }
        .custom-accordion .accordion-item:first-child {
            border-top: 1px solid var(--color-line);
        }
        .custom-accordion .accordion-item:last-child {
            border-bottom: 1px solid var(--color-line);
        }
        .custom-accordion .accordion-button {
            background: transparent;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 1.35rem .25rem;
            box-shadow: none;
            letter-spacing: .02em;
            transition: color .3s;
        }
        .custom-accordion .accordion-button:hover {
            color: var(--color-primary);
        }
        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
            color: var(--color-primary);
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }
        .custom-accordion .accordion-button::after {
            content: '';
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--color-primary);
            transition: transform .3s;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .custom-accordion .accordion-body {
            padding: 0 0 1.5rem;
            color: var(--color-text-secondary);
            font-size: .95rem;
            line-height: 1.85;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
            padding: clamp(5rem, 9vw, 8rem) 0;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8,9,11,.82);
            z-index: 1;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 560px;
            height: 560px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(212,162,78,.2) 0%, transparent 65%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 2.5rem;
            font-size: 1.05rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 575px) {
            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050607;
            border-top: 1px solid rgba(255,255,255,.06);
            padding-top: 4rem;
            padding-bottom: 0;
        }
        .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: .15rem;
            margin-bottom: 1rem;
        }
        .footer-logo .brand-em {
            font-family: var(--font-display);
            font-size: 1.45em;
            color: var(--color-primary);
        }
        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: .9rem;
            max-width: 260px;
            line-height: 1.75;
            margin: 0;
        }
        .footer-col h4 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1.25rem;
            letter-spacing: .08em;
            position: relative;
            padding-bottom: .6rem;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--color-primary);
        }
        .footer-col ul li {
            margin-bottom: .6rem;
        }
        .footer-col ul li a {
            color: var(--color-text-secondary);
            font-size: .9rem;
            transition: color .3s, padding-left .3s;
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
            padding-left: 6px;
        }
        .footer-col ul li span {
            color: var(--color-text-secondary);
            font-size: .9rem;
        }
        .footer-bottom {
            margin-top: 3.5rem;
            padding: 1.5rem 0;
            border-top: 1px solid rgba(255,255,255,.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: .82rem;
            letter-spacing: .04em;
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
            transition: color .3s;
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 767px) {
            .footer-col {
                margin-bottom: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 滚动条 + 选中 ===== */
        ::selection {
            background: rgba(212,162,78,.3);
            color: #fff;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,.15);
            border-radius: 99px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-primary);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255, 255, 255, 0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-card: 18px;
            --radius-block: 24px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-primary: rgba(212, 162, 78, 0.15);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", "Archivo Narrow", sans-serif;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 1rem;
            line-height: 1.75;
            background-color: var(--color-bg);
            color: var(--color-text);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        ul,
        ol {
            list-style: none;
            padding-left: 0;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        section {
            padding: clamp(4rem, 8vw, 7rem) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .section-label::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--color-primary);
            margin-right: 4px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .section-sub {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 2.5rem;
        }

        .section-head {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 2.5rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(10, 12, 14, 0.3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }

        .site-header.is-scrolled {
            background: rgba(8, 10, 12, 0.94);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        }

        .navbar {
            padding: 1rem 0;
            min-height: 72px;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: 0.02em;
            color: var(--color-text);
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .navbar-brand .brand-em {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0.08em;
        }

        .navbar-brand:hover {
            color: var(--color-text);
        }

        .navbar-nav {
            gap: 0.35rem;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: rgba(236, 236, 237, 0.8);
            padding: 0.5rem 0.9rem;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width 0.35s ease;
            border-radius: 2px;
        }

        .nav-link:hover {
            color: var(--color-text);
        }

        .nav-link:hover::after {
            width: calc(100% - 1.2rem);
        }

        .nav-link.active {
            color: var(--color-text);
        }

        .nav-link.active::after {
            width: calc(100% - 1.2rem);
        }

        .header-cta {
            padding: 0.45rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            border-radius: 999px;
            background: var(--color-primary);
            color: #0d0e10;
            border: none;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-primary-hover);
            color: #0d0e10;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 162, 78, 0.3);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 0.25rem 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(10, 12, 14, 0.98);
                border-radius: 16px;
                padding: 1.25rem;
                margin-top: 1rem;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
            }

            .navbar-nav {
                gap: 0.25rem;
                margin-bottom: 1rem;
            }

            .nav-link {
                padding: 0.65rem 0.5rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .nav-link::after {
                display: none;
            }

            .header-cta {
                display: inline-block;
                text-align: center;
                width: 100%;
            }
        }

        /* ===== Hero 窄横幅 (分类页) ===== */
        .category-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 9rem 0 4rem;
            background-image: url(/assets/images/backpic/back-1.png);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 9, 11, 0.92) 10%, rgba(8, 9, 11, 0.78) 60%, rgba(8, 9, 11, 0.92) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.18) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
            padding: 0 1.5rem;
        }

        .category-hero .hero-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            padding: 0.35rem 1.2rem;
            border-radius: 999px;
            background: rgba(212, 162, 78, 0.12);
            border: 1px solid rgba(212, 162, 78, 0.3);
            color: var(--color-primary);
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }

        .category-hero h1 {
            font-size: clamp(2.4rem, 5.5vw, 4.2rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            color: var(--color-text);
            margin-bottom: 1rem;
        }

        .category-hero h1 .hero-accent {
            color: var(--color-primary);
            font-family: var(--font-num);
            font-weight: 700;
            margin: 0 0.05em;
        }

        .category-hero .hero-desc {
            color: rgba(236, 236, 237, 0.75);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 0rem;
            line-height: 1.8;
        }

        .hero-scroll-line {
            position: absolute;
            bottom: 1.5rem;
            left: 50%;
            transform: translateX(-50%);
            width: 1px;
            height: 44px;
            background: linear-gradient(to bottom, transparent, rgba(212, 162, 78, 0.6), transparent);
            z-index: 3;
            animation: scrollPulse 2s ease-in-out infinite;
        }

        @keyframes scrollPulse {
            0%,
            100% {
                opacity: 0.4;
                transform: translateX(-50%) scaleY(0.8);
            }
            50% {
                opacity: 1;
                transform: translateX(-50%) scaleY(1);
            }
        }

        /* ===== 玩法时间线 ===== */
        .timeline-section {
            background: var(--color-bg);
            position: relative;
        }

        .timeline-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 1px;
            height: 100%;
            background: linear-gradient(to bottom, var(--color-line), rgba(212, 162, 78, 0.3), var(--color-line));
            opacity: 0.5;
        }

        .timeline-grid {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
        }

        .timeline-item {
            position: relative;
            display: flex;
            align-items: flex-start;
            margin-bottom: 4rem;
            padding: 0 2.5rem;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-num {
            flex-shrink: 0;
            width: 110px;
            font-family: var(--font-num);
            font-size: 3.6rem;
            font-weight: 700;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(212, 162, 78, 0.5);
            letter-spacing: 0.02em;
            transition: color 0.3s ease;
        }

        .timeline-item:hover .timeline-num {
            color: rgba(212, 162, 78, 0.25);
        }

        .timeline-content {
            flex: 1;
            padding-left: 2rem;
            border-left: 1px solid var(--color-line);
            position: relative;
        }

        .timeline-content::before {
            content: "";
            position: absolute;
            left: -5px;
            top: 12px;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(212, 162, 78, 0.15);
            transition: box-shadow 0.3s ease;
        }

        .timeline-item:hover .timeline-content::before {
            box-shadow: 0 0 0 8px rgba(212, 162, 78, 0.25);
        }

        .timeline-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
            letter-spacing: 0.01em;
        }

        .timeline-content p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 0.8rem;
        }

        .timeline-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.78rem;
            letter-spacing: 0.08em;
            padding: 0.2rem 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            color: rgba(236, 236, 237, 0.7);
        }

        .timeline-tag i {
            color: var(--color-accent);
            font-size: 0.72rem;
        }

        @media (max-width: 767.98px) {
            .timeline-section::before {
                left: 20px;
            }

            .timeline-item {
                padding: 0;
                flex-direction: column;
                padding-left: 3.2rem;
                position: relative;
                margin-bottom: 3rem;
            }

            .timeline-num {
                font-size: 2.4rem;
                margin-bottom: 0.5rem;
                -webkit-text-stroke: 1px rgba(212, 162, 78, 0.4);
            }

            .timeline-content {
                padding-left: 0;
                border-left: none;
            }

            .timeline-content::before {
                left: -3.2rem;
                top: 6px;
            }
        }

        /* ===== 核心要点卡 ===== */
        .core-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }

        .core-card {
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            height: 100%;
            transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.3s ease, box-shadow 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .core-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            opacity: 0;
            transition: opacity 0.35s ease;
        }

        .core-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.16);
            box-shadow: var(--shadow-card-hover);
        }

        .core-card:hover::after {
            opacity: 1;
        }

        .core-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(212, 162, 78, 0.1);
            border: 1px solid rgba(212, 162, 78, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            transition: background 0.3s ease;
        }

        .core-card:hover .core-icon {
            background: rgba(212, 162, 78, 0.2);
        }

        .core-icon i {
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .core-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 0.7rem;
            color: var(--color-text);
        }

        .core-card p {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 体验建议 ===== */
        .advice-section {
            background: var(--color-bg);
        }

        .advice-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .advice-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.75rem;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-card);
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .advice-item:hover {
            border-color: rgba(212, 162, 78, 0.25);
            transform: translateY(-3px);
        }

        .advice-num {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-top: 0.1rem;
            min-width: 48px;
        }

        .advice-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.4rem;
        }

        .advice-body p {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .advice-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 玩法价值数据区 ===== */
        .value-strip {
            background: linear-gradient(135deg, rgba(212, 162, 78, 0.06) 0%, transparent 60%), var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            padding: 3.5rem 0;
        }

        .value-grid {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: space-around;
            text-align: center;
        }

        .value-item {
            padding: 1rem 2rem;
        }

        .value-item .value-num {
            font-family: var(--font-num);
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .value-item .value-label {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            letter-spacing: 0.08em;
        }

        /* ===== 图文展示区 ===== */
        .showcase-section {
            background: var(--color-bg);
        }

        .showcase-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .showcase-img {
            border-radius: var(--radius-block);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .showcase-img img {
            width: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .showcase-img:hover img {
            transform: scale(1.03);
        }

        .showcase-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 9, 11, 0.3) 0%, transparent 40%);
        }

        .showcase-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .showcase-text p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .feature-list {
            margin-bottom: 1.5rem;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: rgba(236, 236, 237, 0.85);
            margin-bottom: 0.6rem;
            font-size: 0.95rem;
        }

        .feature-list li i {
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        @media (max-width: 767.98px) {
            .showcase-row {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* ===== CTA区 ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #0c0e10 0%, #101316 60%, rgba(212, 162, 78, 0.08) 100%);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            text-align: center;
            padding: clamp(4.5rem, 9vw, 7rem) 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .cta-section h2 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2.25rem;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 按钮体系 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.2rem;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            border-radius: 999px;
            background: var(--color-primary);
            color: #0d0e10;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 8px 30px rgba(212, 162, 78, 0.15);
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #0d0e10;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(212, 162, 78, 0.3);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 6px 24px rgba(212, 162, 78, 0.2);
        }

        .btn-primary-custom:focus-visible,
        .btn-ghost-custom:focus-visible,
        .header-cta:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.2rem;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            border-radius: 999px;
            background: transparent;
            color: var(--color-text);
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all 0.3s ease;
        }

        .btn-ghost-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--color-text);
            transform: translateY(-2px);
        }

        .btn-ghost-custom i {
            transition: transform 0.3s ease;
        }

        .btn-ghost-custom:hover i {
            transform: translateX(4px);
        }

        .btn-ghost-custom:active {
            transform: translateY(0);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050607;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4.5rem 0 0;
        }

        .footer-grid {
            padding-bottom: 3rem;
        }

        .footer-col {
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }

        .footer-logo .brand-em {
            font-family: var(--font-num);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0.08em;
        }

        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.1em;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-col ul li span {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .footer-bottom p {
            color: rgba(155, 161, 166, 0.7);
            font-size: 0.82rem;
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(155, 161, 166, 0.7);
            transition: color 0.3s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 767.98px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 返回顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            z-index: 1040;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(212, 162, 78, 0.1);
        }

        /* ===== 响应式断点补充 ===== */
        @media (max-width: 520px) {
            .container {
                padding-left: 1.1rem;
                padding-right: 1.1rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .category-hero h1 {
                font-size: 2.2rem;
            }

            .header-cta {
                font-size: 0.85rem;
                padding: 0.4rem 1.1rem;
            }

            .core-card {
                padding: 1.5rem 1.25rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255,255,255,0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow: 0 12px 40px rgba(0,0,0,0.35);
            --shadow-hover: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(212,162,78,0.15);
            --section-space: clamp(4rem, 8vw, 7rem);
        }
        * {
            box-sizing: border-box;
        }
        html,
        body {
            overflow-x: hidden;
        }
        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        .section-padding {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }
        .section-head {
            margin-bottom: 3rem;
            max-width: 720px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-primary);
            border: 1px solid rgba(212,162,78,0.35);
            border-radius: 999px;
            padding: 0.3rem 0.9rem;
            margin-bottom: 1rem;
            background: rgba(212,162,78,0.08);
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin: 0;
        }
        .section-head.text-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: 999px;
            padding: 0.72rem 1.7rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            font-size: 0.95rem;
            border: 1px solid transparent;
            transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #14100a;
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #14100a;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(212,162,78,0.3);
        }
        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(212,162,78,0.25);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.25);
            color: var(--color-text);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.45);
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: translateY(-1px);
        }
        .btn-sm.header-cta {
            padding: 0.5rem 1.3rem;
            font-size: 0.88rem;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1030;
            background: rgba(10,12,14,0.3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid var(--color-line);
            box-shadow: 0 8px 32px rgba(0,0,0,0.15);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.is-scrolled {
            background: rgba(8,10,12,0.94);
            box-shadow: 0 8px 40px rgba(0,0,0,0.5);
        }
        .navbar {
            padding-top: 0.9rem;
            padding-bottom: 0.9rem;
        }
        .navbar-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar-brand .brand-em {
            color: var(--color-primary);
            font-family: 'Barlow Condensed', 'DIN Alternate', sans-serif;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .navbar-brand:hover {
            color: var(--color-text);
        }
        .navbar-nav .nav-link {
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            padding: 0.5rem 0.9rem !important;
            transition: color 0.3s ease;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width 0.3s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-text);
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 100%;
        }
        .navbar-nav .nav-link.active {
            color: var(--color-text);
        }
        .navbar-toggler {
            border: none;
            outline: none;
            padding: 0.25rem 0.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            margin: 5px 0;
            border-radius: 2px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            min-height: 42vh;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(8,9,11,0.74), rgba(8,9,11,0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 170px 0 70px;
            position: relative;
            border-bottom: 1px solid var(--color-line);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212,162,78,0.16), transparent 70%);
            pointer-events: none;
        }
        .page-hero .hero-breadcrumb {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.06em;
            margin-bottom: 1.2rem;
        }
        .page-hero .hero-breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.3s;
        }
        .page-hero .hero-breadcrumb a:hover {
            color: var(--color-primary);
        }
        .page-hero .hero-breadcrumb .sep {
            margin: 0 0.6rem;
            opacity: 0.5;
        }
        .page-hero .hero-breadcrumb .current {
            color: var(--color-primary);
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .page-hero .hero-sub {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0;
        }
        .hero-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            border: 1px solid rgba(47,160,138,0.35);
            border-radius: 999px;
            padding: 0.3rem 0.9rem;
            background: rgba(47,160,138,0.08);
            margin-bottom: 1.2rem;
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding: 30px 0 10px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 0;
            bottom: 0;
            width: 1px;
            background: linear-gradient(to bottom, transparent, var(--color-line) 8%, var(--color-line) 92%, transparent);
        }
        .timeline-item {
            position: relative;
            display: flex;
            justify-content: flex-start;
            padding: 40px 0;
        }
        .timeline-item.timeline-right {
            justify-content: flex-end;
        }
        .timeline-card {
            width: calc(50% - 58px);
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            position: relative;
            transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }
        .timeline-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            opacity: 0;
            transition: opacity 0.35s ease;
        }
        .timeline-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255,255,255,0.16);
            box-shadow: var(--shadow-hover);
        }
        .timeline-card:hover::before {
            opacity: 1;
        }
        .step-num {
            font-family: 'Barlow Condensed', 'DIN Alternate', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            display: block;
            margin-bottom: 0.6rem;
        }
        .timeline-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
        }
        .timeline-card p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .step-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 999px;
            padding: 0.25rem 0.75rem;
            letter-spacing: 0.08em;
        }
        .timeline-node {
            position: absolute;
            left: 50%;
            top: 54px;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-surface-2);
            border: 2px solid var(--color-primary);
            box-shadow: 0 0 0 5px rgba(212,162,78,0.12), 0 0 24px rgba(212,162,78,0.3);
            z-index: 2;
        }

        /* ===== Rules Section ===== */
        .rules-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .rules-section .section-head {
            margin-bottom: 2.5rem;
        }
        .rules-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow);
            position: relative;
        }
        .rules-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .rules-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(8,9,11,0.45));
        }
        .rules-list {
            display: flex;
            flex-direction: column;
        }
        .rules-row {
            display: flex;
            gap: 1.3rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--color-line);
            transition: background 0.3s ease, padding-left 0.3s ease;
        }
        .rules-row:last-child {
            border-bottom: none;
        }
        .rules-row:hover {
            background: rgba(255,255,255,0.02);
            padding-left: 0.5rem;
        }
        .rule-num {
            font-family: 'Barlow Condensed', 'DIN Alternate', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 48px;
            line-height: 1.2;
        }
        .rule-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.3rem;
        }
        .rule-body p {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Visual CTA ===== */
        .visual-cta {
            position: relative;
        }
        .visual-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow);
            position: relative;
        }
        .visual-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }
        .visual-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(212,162,78,0.08), transparent 60%);
        }
        .visual-content .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--color-primary);
            border: 1px solid rgba(212,162,78,0.35);
            border-radius: 999px;
            padding: 0.3rem 0.9rem;
            margin-bottom: 1rem;
            background: rgba(212,162,78,0.08);
        }
        .visual-content h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .visual-content p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin-bottom: 1.8rem;
        }
        .visual-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .custom-accordion {
            max-width: 820px;
        }
        .custom-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--color-line);
            border-radius: 0;
        }
        .custom-accordion .accordion-item:first-child {
            border-top: 1px solid var(--color-line);
        }
        .custom-accordion .accordion-button {
            background: transparent;
            color: var(--color-text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 1.25rem 0.25rem;
            box-shadow: none;
            border: none;
            transition: color 0.3s ease;
        }
        .custom-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.6rem;
            font-weight: 300;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            transition: transform 0.35s ease;
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .custom-accordion .accordion-button:hover {
            color: var(--color-primary);
        }
        .custom-accordion .accordion-button:focus {
            box-shadow: none;
        }
        .custom-accordion .accordion-body {
            padding: 0.5rem 0.25rem 1.5rem;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            position: relative;
            text-align: center;
            background: linear-gradient(rgba(8,9,11,0.82), rgba(8,9,11,0.92)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            border-top: 1px solid var(--color-line);
            overflow: hidden;
        }
        .bottom-cta::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(212,162,78,0.18), transparent 70%);
            pointer-events: none;
        }
        .bottom-cta h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.8rem);
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        .bottom-cta p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }
        .bottom-cta .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050607;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 4rem;
            padding-bottom: 1.5rem;
        }
        .footer-grid {
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .footer-logo .brand-em {
            color: var(--color-primary);
            font-family: 'Barlow Condensed', 'DIN Alternate', sans-serif;
            font-weight: 700;
        }
        .footer-col p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.08em;
            margin-bottom: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .footer-col ul li span {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 0.82rem;
            letter-spacing: 0.04em;
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(10,12,14,0.97);
                border: 1px solid var(--color-line);
                border-radius: 14px;
                padding: 1rem 1rem 1.2rem;
                margin-top: 0.8rem;
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }
            .navbar-nav .nav-link {
                padding: 0.72rem 0.5rem !important;
            }
            .header-cta {
                margin-top: 0.5rem;
                width: 100%;
            }
            .timeline::before {
                left: 16px;
            }
            .timeline-item,
            .timeline-item.timeline-right {
                justify-content: flex-start;
                padding-left: 48px;
            }
            .timeline-item .timeline-card,
            .timeline-item.timeline-right .timeline-card {
                width: 100%;
            }
            .timeline-node {
                left: 16px;
            }
        }
        @media (max-width: 767px) {
            .page-hero {
                min-height: auto;
                padding: 140px 0 50px;
            }
            .timeline-item {
                padding: 28px 0;
            }
            .timeline-card {
                padding: 1.4rem;
            }
            .rules-media img {
                min-height: 220px;
            }
            .visual-media img {
                min-height: 220px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.05rem;
            }
            .timeline-card h3 {
                font-size: 1.1rem;
            }
            .step-num {
                font-size: 2.2rem;
            }
            .btn {
                padding: 0.6rem 1.3rem;
                font-size: 0.88rem;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255, 255, 255, 0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 999px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-number: 'Barlow Condensed', 'DIN Alternate', 'Archivo Narrow', 'Oswald', sans-serif;
            --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            background: var(--color-bg);
            color: var(--color-text);
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            position: relative;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 0.65rem 1.75rem;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:focus {
            outline: 2px solid rgba(212, 162, 78, 0.4);
            outline-offset: 3px;
            box-shadow: none;
        }
        .btn-primary {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #12151A;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #12151A;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 162, 78, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 15px rgba(212, 162, 78, 0.2);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--color-text);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .btn-ghost .fa-arrow-right {
            transition: transform 0.3s ease;
        }
        .btn-ghost:hover .fa-arrow-right {
            transform: translateX(4px);
        }
        .btn-lg {
            padding: 0.85rem 2.4rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.45rem 1.3rem;
            font-size: 0.88rem;
        }

        /* ===== 徽章 / 标签 ===== */
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(212, 162, 78, 0.1);
            border: 1px solid rgba(212, 162, 78, 0.2);
            padding: 0.3rem 1rem;
            border-radius: var(--radius-btn);
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .grade-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            font-family: var(--font-number);
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            border: 1px solid var(--color-line);
            background: var(--color-surface-2);
            color: var(--color-text);
            transition: all 0.3s ease;
        }
        .grade-badge.grade-s {
            background: rgba(212, 162, 78, 0.15);
            border-color: rgba(212, 162, 78, 0.4);
            color: var(--color-primary);
        }
        .grade-badge.grade-a {
            background: rgba(47, 160, 138, 0.15);
            border-color: rgba(47, 160, 138, 0.4);
            color: var(--color-accent);
        }
        .grade-badge.grade-b {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--color-line);
            color: var(--color-text-secondary);
        }
        .grade-badge.grade-c {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--color-line);
            color: var(--color-text-secondary);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(10, 12, 14, 0.3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid var(--color-line);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }
        .site-header.is-scrolled {
            background: rgba(8, 10, 12, 0.94);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        }
        .navbar {
            padding: 0.75rem 0;
        }
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .navbar-brand:hover {
            color: var(--color-text);
        }
        .brand-em {
            color: var(--color-primary);
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 1.4rem;
        }
        .navbar-nav .nav-link {
            color: rgba(236, 236, 237, 0.85);
            font-size: 0.94rem;
            letter-spacing: 0.08em;
            font-weight: 500;
            padding: 0.55rem 1rem;
            position: relative;
            background: transparent;
            border: none;
            transition: color 0.3s ease;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width 0.35s ease;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--color-text);
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 28px;
        }
        .header-cta {
            margin-left: 0.5rem;
        }
        .navbar-toggler {
            border: none;
            padding: 10px;
            background: transparent;
            width: 46px;
            height: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            align-items: center;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(212, 162, 78, 0.3);
        }
        .toggler-line {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(10, 12, 14, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid var(--color-line);
                border-radius: 16px;
                padding: 1rem 1.2rem;
                margin-top: 0.6rem;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            }
            .navbar-nav .nav-link {
                padding: 0.7rem 0.5rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                color: var(--color-primary);
                padding-left: 0.8rem;
                border-left: 2px solid var(--color-primary);
                border-radius: 0 6px 6px 0;
            }
            .header-cta {
                margin-left: 0;
                margin-top: 0.8rem;
                width: 100%;
            }
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            min-height: 40vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(8, 9, 11, 0.94) 0%, rgba(8, 9, 11, 0.8) 55%, rgba(8, 9, 11, 0.9) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            padding: 150px 0 70px;
            border-bottom: 1px solid var(--color-line);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at top right, rgba(212, 162, 78, 0.1), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-breadcrumb {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.06em;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .page-breadcrumb a {
            color: var(--color-text-secondary);
        }
        .page-breadcrumb a:hover {
            color: var(--color-primary);
        }
        .page-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .page-hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .page-hero-sub {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin-bottom: 0;
        }

        /* ===== 板块间距 ===== */
        .page-main section {
            padding: clamp(4rem, 8vw, 6rem) 0;
        }
        .section-head {
            margin-bottom: 3rem;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
        }
        .section-head p {
            color: var(--color-text-secondary);
            max-width: 560px;
            font-size: 0.98rem;
        }

        /* ===== 奖励清单行 ===== */
        .reward-section {
            background: var(--color-bg);
        }
        .reward-list {
            display: flex;
            flex-direction: column;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .reward-row {
            display: grid;
            grid-template-columns: 70px 1fr 120px 130px 30px;
            align-items: center;
            gap: 1.5rem;
            padding: 1.5rem 1.75rem;
            border-bottom: 1px solid var(--color-line);
            background: transparent;
            transition: background 0.35s ease, transform 0.35s ease;
            position: relative;
        }
        .reward-row:last-child {
            border-bottom: none;
        }
        .reward-row:hover {
            background: var(--color-surface-2);
        }
        .reward-info {
            transition: transform 0.3s ease;
        }
        .reward-row:hover .reward-info {
            transform: translateX(4px);
        }
        .reward-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: var(--color-text);
        }
        .reward-info p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .reward-img {
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-surface-2);
            height: 72px;
            width: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .reward-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .reward-row:hover .reward-img img {
            transform: scale(1.06);
        }
        .reward-meta {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
            align-items: flex-end;
        }
        .reward-period {
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.06em;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-line);
            padding: 0.2rem 0.65rem;
            border-radius: var(--radius-btn);
        }
        .reward-value {
            font-family: var(--font-number);
            font-size: 0.8rem;
            letter-spacing: 0.1em;
            color: var(--color-primary);
            font-weight: 600;
            text-transform: uppercase;
        }
        .reward-arrow {
            color: var(--color-primary);
            font-size: 1rem;
            opacity: 0;
            transform: translateX(-8px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        .reward-row:hover .reward-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        @media (max-width: 991.98px) {
            .reward-row {
                grid-template-columns: 60px 1fr 100px 24px;
                gap: 1rem;
                padding: 1.25rem 1rem;
            }
            .reward-img {
                display: none;
            }
        }
        @media (max-width: 575.98px) {
            .reward-row {
                grid-template-columns: 48px 1fr;
                gap: 0.8rem;
                padding: 1.1rem 0.8rem;
            }
            .reward-meta {
                grid-column: 2;
                flex-direction: row;
                align-items: center;
                gap: 0.6rem;
                justify-content: flex-start;
            }
            .reward-arrow {
                display: none;
            }
        }

        /* ===== 表格 ===== */
        .table-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .table-wrapper {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 1rem;
            overflow-x: auto;
            box-shadow: var(--shadow-card);
        }
        .reward-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }
        .reward-table th {
            font-size: 0.82rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-text-secondary);
            padding: 0.9rem 1rem;
            border-bottom: 1px solid var(--color-line);
            font-weight: 700;
            background: rgba(255, 255, 255, 0.02);
        }
        .reward-table td {
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--color-text);
            font-size: 0.92rem;
            vertical-align: middle;
        }
        .reward-table tr:last-child td {
            border-bottom: none;
        }
        .reward-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }
        .reward-table .badge-grade-cell {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
        }
        .reward-table td .grade-mini {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            font-family: var(--font-number);
            font-weight: 700;
            font-size: 0.85rem;
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
        }
        .grade-mini.s {
            color: var(--color-primary);
            border-color: rgba(212, 162, 78, 0.4);
        }
        .grade-mini.a {
            color: var(--color-accent);
            border-color: rgba(47, 160, 138, 0.4);
        }
        .grade-mini.b,
        .grade-mini.c {
            color: var(--color-text-secondary);
        }
        .table-footnote {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-top: 0.8rem;
            text-align: right;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--color-bg);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.75rem;
            margin-top: 2rem;
        }
        .process-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem 1.75rem;
            position: relative;
            transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
            overflow: hidden;
        }
        .process-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.16);
            box-shadow: var(--shadow-hover);
        }
        .process-num {
            font-family: var(--font-number);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1;
            background: linear-gradient(135deg, rgba(212, 162, 78, 0.6), rgba(212, 162, 78, 0.1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.2rem;
            display: block;
            letter-spacing: 0.02em;
        }
        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .process-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .process-line {
            position: absolute;
            top: 50%;
            right: -1.75rem;
            width: 1.75rem;
            height: 1px;
            background: var(--color-line);
        }
        .process-line::after {
            content: '';
            position: absolute;
            right: 0;
            top: -3px;
            width: 7px;
            height: 7px;
            border-top: 1px solid var(--color-primary);
            border-right: 1px solid var(--color-primary);
            transform: rotate(45deg);
        }
        @media (max-width: 991.98px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-line {
                display: none;
            }
        }
        @media (max-width: 575.98px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--color-line);
        }
        .accordion-item:first-of-type {
            border-top: 1px solid var(--color-line);
        }
        .accordion-button {
            background: transparent;
            border: none;
            color: var(--color-text);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.25rem 0;
            box-shadow: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            letter-spacing: 0.01em;
        }
        .accordion-button:hover {
            color: var(--color-primary);
            background: transparent;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(212, 162, 78, 0.25);
            outline-offset: -2px;
            border-radius: 4px;
        }
        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--color-primary);
            box-shadow: none;
        }
        .accordion-button::after {
            display: none;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-primary);
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            background: rgba(212, 162, 78, 0.1);
        }
        .accordion-body {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            padding: 0 0 1.25rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg);
            text-align: center;
            padding: clamp(4rem, 8vw, 6rem) 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 60%;
            background: radial-gradient(ellipse at center, rgba(212, 162, 78, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050607;
            border-top: 1px solid var(--color-line);
            padding-top: 4rem;
        }
        .footer-grid {
            margin-bottom: 2.5rem;
        }
        .footer-col {
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.65;
            max-width: 260px;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1.2rem;
            letter-spacing: 0.04em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.55rem;
        }
        .site-footer ul a {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .site-footer ul a:hover {
            color: var(--color-primary);
            padding-left: 4px;
            text-decoration: none;
        }
        .site-footer ul span {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .footer-bottom p {
            color: var(--color-text-secondary);
            font-size: 0.82rem;
            margin: 0;
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 767.98px) {
            .page-hero {
                padding: 120px 0 50px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero-sub {
                font-size: 0.92rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .table-wrapper {
                padding: 0.5rem;
            }
            .reward-table th,
            .reward-table td {
                padding: 0.75rem 0.6rem;
                font-size: 0.82rem;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .page-hero .container {
            animation: fadeInUp 0.7s ease both;
        }
        .section-head {
            animation: fadeInUp 0.6s ease both;
        }

/* roulang page: category3 */
:root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255, 255, 255, 0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-card: 18px;
            --radius-block: 24px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
            --glow-primary: rgba(212, 162, 78, 0.15);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'Barlow Condensed', 'DIN Alternate', 'Archivo Narrow', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .3s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-cn);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.25;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding: clamp(4rem, 8vw, 7rem) 0;
            position: relative;
        }
        .section-tag {
            display: inline-block;
            font-family: var(--font-num);
            font-size: .8rem;
            letter-spacing: .14em;
            color: var(--color-primary);
            border: 1px solid rgba(212, 162, 78, .25);
            background: rgba(212, 162, 78, .06);
            border-radius: 999px;
            padding: .3rem 1rem;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }
        .section-head {
            text-align: center;
            margin-bottom: clamp(2.5rem, 5vw, 4rem);
        }
        .section-head.left-aligned {
            text-align: left;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            letter-spacing: .01em;
            margin-bottom: .6rem;
        }
        .section-head p {
            color: var(--color-text-secondary);
            font-size: .96rem;
            max-width: 640px;
            margin: 0 auto;
        }
        .section-head.left-aligned p {
            margin: 0;
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 700;
            padding: .75rem 1.8rem;
            border: none;
            transition: all .3s cubic-bezier(.4, 0, .2, 1);
            font-size: .95rem;
            letter-spacing: .03em;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #131313;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #131313;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(212, 162, 78, .3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-light-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .25);
            color: var(--color-text);
        }
        .btn-outline-light-ghost:hover {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .5);
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .badge {
            border-radius: 999px;
            font-size: .78rem;
            font-weight: 500;
            letter-spacing: .06em;
            padding: .35em .9em;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            color: var(--color-text-secondary);
        }
        .badge.badge-primary {
            background: rgba(212, 162, 78, .12);
            border-color: rgba(212, 162, 78, .3);
            color: var(--color-primary);
        }
        .badge.badge-accent {
            background: rgba(47, 160, 138, .12);
            border-color: rgba(47, 160, 138, .3);
            color: var(--color-accent);
        }
        /* ----------Header---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1030;
            background: rgba(10, 12, 14, .3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .15);
            transition: background .4s ease, box-shadow .4s ease;
        }
        .site-header.is-scrolled {
            background: rgba(8, 10, 12, .94);
            box-shadow: 0 8px 40px rgba(0, 0, 0, .5);
        }
        .site-header .navbar {
            padding: .9rem 0;
            min-height: 70px;
        }
        .site-header .navbar-brand {
            font-family: var(--font-cn);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: .02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
        }
        .site-header .navbar-brand .brand-em {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 .14em;
            font-size: 1.3em;
        }
        .site-header .navbar-brand:hover {
            color: var(--color-text);
        }
        .site-header .nav-link {
            font-size: .95rem;
            letter-spacing: .08em;
            color: var(--color-text-secondary);
            padding: .5rem 1.1rem !important;
            position: relative;
            transition: color .3s ease;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1.1rem;
            right: 1.1rem;
            height: 2px;
            background: var(--color-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .35s ease;
        }
        .site-header .nav-link:hover {
            color: var(--color-text);
        }
        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--color-text);
        }
        .site-header .navbar-toggler {
            border: none;
            background: transparent;
            padding: .4rem .5rem;
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 44px;
        }
        .site-header .navbar-toggler .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: background .3s ease, transform .3s ease;
        }
        .site-header .navbar-toggler:hover .toggler-line {
            background: var(--color-primary);
        }
        .site-header .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(212, 162, 78, .5);
        }
        .site-header .header-cta {
            padding: .5rem 1.4rem;
            font-size: .88rem;
            margin-left: .6rem;
        }
        /* ----------Page Hero---------- */
        .page-hero {
            min-height: 40vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 8rem 0 4rem;
            overflow: hidden;
            background: var(--color-bg);
        }
        .page-hero .bg-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .35;
        }
        .page-hero .ov-layer {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 11, .7) 0%, rgba(8, 9, 11, .45) 50%, var(--color-bg) 100%);
        }
        .page-hero .glow-layer {
            position: absolute;
            width: 500px;
            height: 500px;
            right: -100px;
            top: 20%;
            background: radial-gradient(circle, rgba(212, 162, 78, .1), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .82rem;
            color: var(--color-text-secondary);
            margin-bottom: 1.2rem;
            letter-spacing: .05em;
        }
        .breadcrumb-custom a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-custom a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, .3);
        }
        .breadcrumb-custom .cur {
            color: var(--color-primary);
        }
        .page-hero-title {
            font-size: clamp(2.6rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: .02em;
            margin-bottom: 1rem;
        }
        .page-hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }
        /* 统计面板 */
        .hero-stats-panel {
            background: rgba(16, 19, 22, .7);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-block);
            padding: 2rem 1.8rem;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .hero-stats-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        .stat-block {
            background: var(--color-surface-2);
            border-radius: 14px;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid var(--color-line);
        }
        .stat-block .stat-num {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }
        .stat-block .stat-num.accent {
            color: var(--color-accent);
        }
        .stat-block .stat-label {
            font-size: .78rem;
            color: var(--color-text-secondary);
            letter-spacing: .08em;
            margin-top: .4rem;
            display: block;
        }
        /* ----------Milestone Section---------- */
        .milestone-section {
            background: var(--color-bg);
        }
        .milestone-track {
            position: relative;
            display: flex;
            justify-content: space-between;
            padding: 2rem 0;
            max-width: 1000px;
            margin: 0 auto;
        }
        .milestone-bar {
            position: absolute;
            top: 44px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: rgba(255, 255, 255, .1);
            border-radius: 2px;
            overflow: hidden;
        }
        .milestone-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-primary));
            border-radius: 2px;
            transition: width 1.5s cubic-bezier(.4, 0, .2, 1);
            position: relative;
        }
        .milestone-bar-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: -2px;
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(212, 162, 78, .8);
        }
        .milestone-node {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            width: 22%;
            z-index: 2;
        }
        .node-dot {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-surface-2);
            border: 2px solid rgba(255, 255, 255, .15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: .8rem;
            color: var(--color-text-secondary);
            transition: all .3s ease;
        }
        .milestone-node.completed .node-dot {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            box-shadow: 0 0 20px rgba(47, 160, 138, .3);
        }
        .milestone-node.current .node-dot {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #111;
            box-shadow: 0 0 28px rgba(212, 162, 78, .5);
        }
        .milestone-node .node-content {
            display: flex;
            flex-direction: column;
            gap: .2rem;
        }
        .node-stage {
            font-family: var(--font-num);
            font-size: .7rem;
            letter-spacing: .18em;
            color: var(--color-text-secondary);
            text-transform: uppercase;
        }
        .node-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
        }
        .node-status {
            font-size: .78rem;
            color: var(--color-text-secondary);
        }
        .milestone-node.completed .node-status {
            color: var(--color-accent);
        }
        .milestone-node.current .node-status {
            color: var(--color-primary);
        }
        .milestone-percent {
            text-align: center;
            margin-top: 3rem;
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: .8rem;
            flex-wrap: wrap;
        }
        .percent-num {
            font-family: var(--font-num);
            font-size: 4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }
        .percent-label {
            font-size: 1rem;
            letter-spacing: .1em;
            color: var(--color-text-secondary);
        }
        /* ----------Task List Section---------- */
        .task-list-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .task-list {
            max-width: 960px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: .8rem;
        }
        .task-row {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.5rem;
            transition: all .3s cubic-bezier(.4, 0, .2, 1);
            position: relative;
            overflow: hidden;
        }
        .task-row:hover {
            background: rgba(22, 27, 31, .8);
            border-color: rgba(255, 255, 255, .16);
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
        }
        .task-check {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            border: 2px solid rgba(255, 255, 255, .12);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: .9rem;
            transition: all .3s ease;
        }
        .task-row.completed .task-check {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .task-row.progress .task-check {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .task-info {
            flex: 1;
            min-width: 0;
        }
        .task-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: .15rem;
        }
        .task-info p {
            font-size: .84rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .task-row.completed .task-info h3 {
            color: var(--color-text-secondary);
            text-decoration: line-through;
            text-decoration-color: rgba(255, 255, 255, .3);
        }
        .task-reward {
            flex-shrink: 0;
        }
        .task-state {
            flex-shrink: 0;
            min-width: 84px;
            text-align: right;
        }
        .task-status {
            font-size: .8rem;
            padding: .3rem .8rem;
            border-radius: 999px;
            display: inline-block;
            letter-spacing: .05em;
        }
        .task-status.done {
            background: rgba(47, 160, 138, .12);
            color: var(--color-accent);
            border: 1px solid rgba(47, 160, 138, .25);
        }
        .task-status.progress {
            background: rgba(212, 162, 78, .12);
            color: var(--color-primary);
            border: 1px solid rgba(212, 162, 78, .25);
        }
        .task-status.todo {
            background: rgba(255, 255, 255, .04);
            color: var(--color-text-secondary);
            border: 1px solid rgba(255, 255, 255, .08);
        }
        /* ----------Reward Rule Section---------- */
        .reward-rule-section {
            background: var(--color-bg);
        }
        .reward-rule-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-line);
        }
        .reward-rule-row {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.4rem 1rem;
            border-bottom: 1px solid var(--color-line);
            transition: all .3s ease;
        }
        .reward-rule-row:hover {
            background: rgba(255, 255, 255, .02);
            padding-left: 1.4rem;
        }
        .reward-rule-row .rule-tag {
            font-family: var(--font-num);
            font-size: .8rem;
            letter-spacing: .1em;
            color: var(--color-primary);
            border: 1px solid rgba(212, 162, 78, .3);
            background: rgba(212, 162, 78, .06);
            border-radius: 999px;
            padding: .35rem 1rem;
            flex-shrink: 0;
            font-weight: 600;
        }
        .reward-rule-row .rule-desc {
            flex: 1;
            font-size: .92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .reward-rule-row .rule-value {
            flex-shrink: 0;
            font-size: .9rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: right;
            min-width: 90px;
        }
        .reward-visual {
            position: relative;
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-line);
        }
        .reward-visual img {
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius-block);
        }
        .reward-visual .visual-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem 1.5rem 1.2rem;
            background: linear-gradient(180deg, transparent, rgba(8, 9, 11, .85));
            color: var(--color-text);
            font-size: .9rem;
            letter-spacing: .04em;
        }
        /* ----------Flow Section---------- */
        .flow-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1000px;
            margin: 0 auto;
        }
        .flow-step {
            text-align: center;
            position: relative;
            padding: 2rem 1.4rem;
            background: var(--color-surface-2);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-card);
            transition: all .3s ease;
        }
        .flow-step:hover {
            transform: translateY(-4px);
            border-color: rgba(212, 162, 78, .25);
            box-shadow: var(--shadow-hover);
        }
        .flow-step-num {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 700;
            color: rgba(212, 162, 78, .25);
            line-height: 1;
            margin-bottom: .8rem;
            display: block;
        }
        .flow-step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 1rem;
            border-radius: 16px;
            background: rgba(212, 162, 78, .08);
            border: 1px solid rgba(212, 162, 78, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1.3rem;
            transition: transform .3s ease;
        }
        .flow-step:hover .flow-step-icon {
            transform: scale(1.06);
        }
        .flow-step h3 {
            font-size: 1.15rem;
            margin-bottom: .5rem;
        }
        .flow-step p {
            font-size: .85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .flow-connector {
            position: absolute;
            top: 50%;
            right: -1rem;
            width: 2rem;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), transparent);
        }
        @media(max-width:768px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .flow-connector {
                display: none;
            }
        }
        /* ----------FAQ Section---------- */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--color-line);
            border-radius: 0 !important;
        }
        .accordion-item:first-of-type {
            border-top: 1px solid var(--color-line);
        }
        .accordion-button {
            background: transparent;
            color: var(--color-text);
            font-size: 1.02rem;
            font-weight: 600;
            padding: 1.25rem 0;
            box-shadow: none;
            border: none;
            transition: color .3s ease;
            text-align: left;
        }
        .accordion-button:hover {
            color: var(--color-primary);
        }
        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--color-primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f067';
            font-size: .8rem;
            width: 1.2em;
            height: 1.2em;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            transition: transform .3s ease;
            border: 1px solid rgba(212, 162, 78, .3);
            border-radius: 50%;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 0 1.5rem 1.5rem 0;
            color: var(--color-text-secondary);
            font-size: .92rem;
            line-height: 1.8;
        }
        /* ----------CTA Section---------- */
        .cta-section {
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: clamp(4rem, 8vw, 6rem) 0;
            background: var(--color-surface);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 162, 78, .12), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
        }
        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 2rem;
            position: relative;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
        }
        /* ----------Footer---------- */
        .site-footer {
            background: #050607;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .footer-logo {
            font-family: var(--font-cn);
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--color-text);
            margin-bottom: .8rem;
            letter-spacing: .02em;
        }
        .site-footer .footer-logo .brand-em {
            font-family: var(--font-num);
            color: var(--color-primary);
            font-size: 1.2em;
            margin: 0 .1em;
        }
        .site-footer p {
            color: var(--color-text-secondary);
            font-size: .85rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .site-footer h4 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            letter-spacing: .06em;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: .45rem;
        }
        .site-footer ul a {
            color: var(--color-text-secondary);
            font-size: .85rem;
            transition: color .3s ease, padding-left .3s ease;
            display: inline-block;
        }
        .site-footer ul a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .site-footer .footer-col {
            margin-bottom: 1.5rem;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-line);
            padding-top: 1.2rem;
            margin-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .site-footer .footer-bottom p {
            font-size: .78rem;
            color: rgba(255, 255, 255, .4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        /* ----------Responsive---------- */
        @media(max-width:1024px) {
            .milestone-track {
                padding: 2rem 1rem;
                overflow-x: auto;
            }
            .milestone-node {
                min-width: 180px;
            }
            .milestone-bar {
                left: 8%;
                right: 8%;
            }
            .task-row {
                flex-wrap: wrap;
                gap: .8rem;
            }
            .task-reward {
                order: 3;
                margin-left: auto;
            }
        }
        @media(max-width:768px) {
            .site-header .navbar-collapse {
                background: rgba(8, 10, 12, .97);
                border-bottom: 1px solid var(--color-line);
                border-radius: 0 0 20px 20px;
                padding: 1rem;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
            }
            .site-header .nav-link {
                text-align: center;
                padding: .7rem 1rem !important;
            }
            .site-header .nav-link::after {
                left: 30%;
                right: 30%;
            }
            .site-header .header-cta {
                display: block;
                margin: .8rem auto 0;
                text-align: center;
            }
            .page-hero {
                padding-top: 7rem;
                text-align: left;
            }
            .hero-stats-panel {
                margin-top: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: .6rem;
            }
            .task-row {
                padding: 1rem;
                gap: .8rem;
            }
            .task-reward {
                width: 100%;
                margin-left: auto;
            }
            .task-state {
                text-align: left;
            }
            .reward-rule-section .reward-visual {
                margin-top: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media(max-width:520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero-title {
                font-size: 2.2rem;
            }
            .milestone-track {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
                overflow: visible;
            }
            .milestone-bar {
                display: none;
            }
            .milestone-node {
                width: 100%;
                min-width: auto;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-block {
                padding: 1rem .8rem;
            }
            .stat-block .stat-num {
                font-size: 1.6rem;
            }
            .task-row {
                flex-direction: column;
                align-items: flex-start;
                gap: .6rem;
            }
            .task-check {
                width: 32px;
                height: 32px;
                font-size: .7rem;
            }
            .task-state {
                align-self: flex-end;
                min-width: auto;
            }
            .reward-rule-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.2rem .8rem;
            }
            .reward-rule-row .rule-value {
                text-align: left;
                min-width: auto;
            }
            .cta-btns .btn {
                width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --color-bg: #08090B;
            --color-surface: #101316;
            --color-surface-2: #161B1F;
            --color-line: rgba(255, 255, 255, 0.08);
            --color-primary: #D4A24E;
            --color-primary-hover: #E8BC6B;
            --color-accent: #2FA08A;
            --color-text: #ECECED;
            --color-text-secondary: #9BA1A6;
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
            --font-display: 'Barlow Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.5em;
        }
        .btn {
            border-radius: 999px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #0a0c0e;
            text-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 162, 78, 0.35);
            color: #0a0c0e;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(212, 162, 78, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--color-text);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .brand-em {
            font-family: var(--font-display);
            color: var(--color-primary);
            font-weight: 700;
            letter-spacing: 0.01em;
        }
        /* === Navbar === */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1030;
            background: rgba(10, 12, 14, 0.3);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
            position: absolute;
        }
        .site-header.is-scrolled {
            background: rgba(8, 10, 12, 0.94);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }
        .navbar {
            padding: 0.9rem 0;
        }
        .navbar-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-text) !important;
            letter-spacing: 0.02em;
            margin-right: 2rem;
            transition: color 0.3s;
        }
        .navbar-brand .brand-em {
            font-size: 1.2em;
        }
        .navbar-nav {
            gap: 0.5rem;
        }
        .navbar-nav .nav-link {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            letter-spacing: 0.08em;
            font-weight: 500;
            padding: 0.5rem 1rem;
            position: relative;
            transition: color 0.3s;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--color-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
            border-radius: 2px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-text);
        }
        .navbar-nav .nav-link:hover::after {
            transform: scaleX(1);
        }
        .navbar-nav .nav-link.active {
            color: var(--color-text);
        }
        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-cta {
            padding: 0.5rem 1.6rem;
            font-size: 0.88rem;
            font-weight: 700;
        }
        .navbar-toggler {
            border: none;
            padding: 0.4rem;
            background: transparent;
            box-shadow: none !important;
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }
        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* === Hero === */
        .faq-hero {
            min-height: 42vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            padding: 7.5rem 0 3rem;
        }
        .faq-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(8, 9, 11, 0.82) 30%, rgba(8, 9, 11, 0.4) 100%);
        }
        .faq-hero::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .faq-hero .container {
            position: relative;
            z-index: 2;
        }
        .faq-hero .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 0.3rem 1rem;
            font-size: 0.8rem;
            letter-spacing: 0.1em;
            color: var(--color-primary);
            margin-bottom: 1rem;
        }
        .faq-hero h1 {
            font-size: clamp(2.6rem, 5.2vw, 4rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 0.5rem;
        }
        .faq-hero p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 540px;
            margin-bottom: 0;
        }
        /* === FAQ Main === */
        .faq-section {
            padding: clamp(4rem, 8vw, 6rem) 0;
            background: var(--color-bg);
            position: relative;
        }
        .faq-section .section-side {
            position: sticky;
            top: 120px;
        }
        .faq-section .section-side h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            margin-bottom: 0.75rem;
        }
        .faq-section .section-side p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .faq-side-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .faq-side-tags .tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 0.3rem 0.9rem;
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            color: var(--color-text-secondary);
            transition: all 0.3s;
        }
        .faq-side-tags .tag:hover {
            color: var(--color-primary);
            border-color: rgba(212, 162, 78, 0.4);
            background: rgba(212, 162, 78, 0.06);
        }
        .faq-accordion .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--color-line);
        }
        .faq-accordion .accordion-item:first-child {
            border-top: 1px solid var(--color-line);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--color-text);
            padding: 1.35rem 0.25rem;
            font-size: 1.05rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: none;
            border: 0;
            transition: color 0.3s ease;
        }
        .faq-accordion .accordion-button:hover {
            color: var(--color-primary);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border: 0;
        }
        .faq-accordion .accordion-button::after {
            background: none !important;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            width: auto;
            height: auto;
            color: var(--color-primary);
            font-size: 0.9rem;
            transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .faq-accordion .accordion-body {
            padding: 0 0.25rem 1.4rem;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.85;
            max-width: 90%;
        }
        .faq-accordion .accordion-body strong {
            color: var(--color-text);
        }
        /* === Contact CTA === */
        .contact-cta-section {
            padding: clamp(4rem, 8vw, 6rem) 0;
            background: var(--color-surface);
            position: relative;
            overflow: hidden;
        }
        .contact-cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .contact-cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .contact-cta-inner h2 {
            font-size: clamp(1.9rem, 3.5vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .contact-cta-inner p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin-bottom: 2rem;
        }
        .contact-cta-inner .cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-quick-info {
            margin-top: 1.5rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }
        .cta-quick-info span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .cta-quick-info i {
            color: var(--color-accent);
        }
        /* === Back CTA === */
        .back-cta-section {
            padding: 2.5rem 0;
            background: var(--color-bg);
            border-top: 1px solid var(--color-line);
        }
        .back-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .back-cta-inner .back-link {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
        }
        .back-cta-inner .back-link:hover {
            color: var(--color-primary);
            transform: translateX(-4px);
        }
        .back-cta-inner .btn {
            font-size: 0.9rem;
        }
        /* === Footer === */
        .site-footer {
            background: #050607;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4.5rem 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            border-radius: 0 0 3px 3px;
        }
        .footer-grid {
            padding-bottom: 2.5rem;
        }
        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }
        .footer-brand p {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: var(--color-text);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul a {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            transition: all 0.3s;
            display: inline-block;
        }
        .footer-col ul a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .footer-col ul li span {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
        }
        .footer-col ul li span i {
            color: var(--color-primary);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .footer-bottom p {
            color: var(--color-text-secondary);
            font-size: 0.8rem;
            margin: 0;
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        /* === Responsive === */
        @media (max-width: 991.98px) {
            .site-header {
                background: rgba(8, 10, 12, 0.92);
            }
            .navbar-collapse {
                background: rgba(10, 12, 14, 0.96);
                backdrop-filter: blur(18px);
                border: 1px solid var(--color-line);
                border-radius: 16px;
                padding: 1.25rem;
                margin-top: 0.75rem;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            }
            .navbar-nav {
                gap: 0.25rem;
                margin-bottom: 1rem !important;
            }
            .navbar-nav .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 10px;
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(212, 162, 78, 0.08);
                color: var(--color-primary);
            }
            .header-cta {
                display: block;
                text-align: center;
                width: 100%;
            }
            .faq-section .section-side {
                position: static;
                margin-bottom: 2rem;
            }
            .faq-accordion .accordion-body {
                max-width: 100%;
            }
        }
        @media (max-width: 767.98px) {
            .faq-hero {
                min-height: 38vh;
                padding-top: 6.5rem;
            }
            .faq-hero h1 {
                font-size: 2.2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .back-cta-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .navbar-brand {
                font-size: 1rem;
                margin-right: 0;
            }
            .navbar-brand .brand-em {
                font-size: 1.15em;
            }
            .faq-hero .hero-tag {
                font-size: 0.72rem;
            }
            .faq-side-tags {
                gap: 0.35rem;
            }
            .faq-side-tags .tag {
                font-size: 0.72rem;
                padding: 0.25rem 0.7rem;
            }
            .cta-quick-info {
                flex-direction: column;
                gap: 0.75rem;
            }
        }