/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
    --primary: #f5653a;
    --primary-dark: #d94f25;
    --primary-light: #ffe8df;
    --secondary: #0ea5a4;
    --secondary-dark: #0b7f7e;
    --dark: #0f1b2d;
    --dark-2: #172a42;
    --dark-3: #20375a;
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #182635;
    --muted: #6b7a8d;
    --border: #e6ebf2;
    --radius: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 10px 30px rgba(15, 27, 45, 0.08);
    --shadow-hover: 0 18px 44px rgba(15, 27, 45, 0.14);
    --shadow-primary: 0 8px 24px rgba(245, 101, 58, 0.3);
    --transition: all 0.25s ease;
    --container-w: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

ul,
ol {
    list-style: none;
}

button,
input {
    font-family: inherit;
    outline: none;
}

.container {
    width: 100%;
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(245, 101, 58, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-light {
    background: #ffffff;
    color: var(--dark);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.btn-light:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-block {
    width: 100%;
}

/* ========== 标签 / 徽章 ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}

.badge-primary {
    background: var(--primary);
    color: #fff;
}

.badge-light {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(6px);
}

.badge-secondary {
    background: var(--secondary);
    color: #fff;
}

.tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 50px;
    background: #f0f3fa;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid transparent;
}

.tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ========== Header 导航 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 6px 30px rgba(15, 27, 45, 0.08);
    border-bottom-color: var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #ff9f43);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 14px rgba(245, 101, 58, 0.35);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    border-radius: 50px;
    color: var(--muted);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== Article Hero ========== */
.article-hero {
    padding: 180px 0 80px;
    background-size: cover;
    background-position: center;
    color: #fff;
    position: relative;
}

.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 27, 45, 0.4) 0%, rgba(15, 27, 45, 0.1) 100%);
}

.article-hero .container {
    position: relative;
    z-index: 2;
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 18px;
}

.hero-breadcrumb a {
    transition: var(--transition);
}

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

.hero-breadcrumb .sep {
    font-size: 12px;
}

.hero-breadcrumb .current {
    color: #fff;
    font-weight: 600;
}

.article-hero .badge {
    margin-bottom: 20px;
}

.article-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.2;
    font-weight: 900;
    letter-spacing: -1px;
    max-width: 800px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    margin-bottom: 22px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ========== 内容区域 ========== */
.page-wrap {
    padding: 50px 0 80px;
}

.article-container {
    margin-top: -40px;
    overflow: visible !important;
    position: relative;
    z-index: 5;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.article-main {
    padding: 44px;
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #2d3a4d;
}

.article-content p {
    margin-bottom: 22px;
}

.article-content h2,
.article-content h3 {
    color: var(--dark);
    font-weight: 800;
    margin: 28px 0 14px;
}

.article-content h2 {
    font-size: 26px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
}

.article-content h3 {
    font-size: 21px;
}

.article-content ul,
.article-content ol {
    padding-left: 24px;
    margin-bottom: 22px;
}

.article-content ul {
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 6px;
}

.article-content blockquote {
    background: #fff8f5;
    border-left: 4px solid var(--primary);
    padding: 18px 22px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 24px 0;
    font-style: italic;
    color: #5a4b42;
}

.article-content img {
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.article-content a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-tags > span {
    color: var(--muted);
    font-weight: 600;
}

.article-tags a {
    padding: 5px 14px;
    background: #f0f3fa;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    transition: var(--transition);
}

.article-tags a:hover {
    background: var(--primary);
    color: #fff;
}

.not-found {
    text-align: center;
    padding: 60px 20px;
}

.not-found i {
    font-size: 54px;
    color: var(--primary);
    margin-bottom: 18px;
}

.not-found h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.not-found p {
    color: var(--muted);
    margin-bottom: 24px;
}

/* ========== 侧边栏 ========== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.side-card {
    padding: 28px;
}

.profile-card {
    text-align: center;
}

.side-cover {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 18px;
}

.profile-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
}

.profile-card p {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 18px;
}

.side-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.side-title i {
    color: var(--primary);
}

.hot-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hot-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.hot-list a:hover {
    background: #f8faff;
    transform: translateX(4px);
}

.hot-list .num {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 800;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* ========== 数据条 ========== */
.data-strip {
    background: var(--dark);
    background-image: linear-gradient(135deg, rgba(14, 165, 164, 0.2), rgba(245, 101, 58, 0.2)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    padding: 70px 0;
    margin: 70px 0 0;
    color: #fff;
}

.data-item {
    text-align: center;
    padding: 16px;
}

.data-num {
    display: block;
    font-size: 44px;
    font-weight: 900;
    line-height: 1.1;
    background: linear-gradient(135deg, #ff9f43, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.data-num i {
    font-style: normal;
    font-size: 28px;
}

.data-label {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
}

/* ========== Section 通用 ========== */
.section {
    padding: 80px 0;
}

.section-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: clamp(26px, 3.6vw, 40px);
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.section-head p {
    color: var(--muted);
    font-size: 16px;
}

/* ========== 相关阅读 ========== */
.related-section {
    background: #fff;
}

.related-card {
    display: block;
    height: 100%;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.related-card .img-wrap {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.related-card .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .img-wrap img {
    transform: scale(1.06);
}

.related-card .badge {
    position: absolute;
    top: 14px;
    left: 14px;
}

.card-body {
    padding: 22px;
}

.card-body h3 {
    font-size: 19px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
    transition: var(--transition);
}

.related-card:hover .card-body h3 {
    color: var(--primary);
}

.card-body p {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 14px;
}

.more-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--bg);
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
    box-shadow: 0 6px 18px rgba(245, 101, 58, 0.08);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    cursor: pointer;
    list-style: none;
    transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary i:first-child {
    color: var(--primary);
    margin-right: 10px;
}

.faq-item summary i:last-child {
    transition: transform 0.3s ease;
    color: var(--muted);
}

.faq-item[open] summary i:last-child {
    transform: rotate(45deg);
}

.faq-item[open] {
    border-color: var(--primary);
}

.faq-answer {
    padding: 0 24px 22px;
    border-top: 1px solid var(--border);
    padding-top: 14px;
    margin-top: 0;
}

.faq-answer p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

/* ========== CTA ========== */
.cta-section {
    padding: 70px 0;
}

.cta-inner {
    border-radius: 24px;
    padding: 70px 40px;
    text-align: center;
    background-size: cover;
    background-position: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 27, 45, 0.85), rgba(23, 42, 66, 0.6));
}

.cta-inner > * {
    position: relative;
    z-index: 2;
}

.cta-inner h2 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 900;
    margin-bottom: 12px;
}

.cta-inner p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 70px 0 24px;
    margin-top: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .brand-logo {
    color: #fff;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 15px;
    margin-bottom: 20px;
    max-width: 360px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.footer-links a {
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ========== Focus 可访问性 ========== */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
    .article-main {
        padding: 34px;
    }
}

@media screen and (max-width: 768px) {
    .site-header {
        padding-top: 0;
        padding-bottom: 0;
    }

    .header-inner {
        height: 68px;
    }

    .main-nav {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 14px 34px rgba(15, 27, 45, 0.12);
        padding: 16px 24px;
        border-radius: 0 0 var(--radius) var(--radius);
        transform: translateY(-120%);
        pointer-events: none;
        transition: transform 0.3s ease;
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav.open {
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav-link {
        display: flex;
        justify-content: center;
        padding: 14px;
    }

    .header-actions .btn-primary {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .article-hero {
        padding: 140px 0 70px;
    }

    .hero-meta {
        gap: 14px;
        font-size: 14px;
    }

    .page-wrap {
        padding: 30px 0 60px;
    }

    .article-container {
        margin-top: -24px;
    }

    .article-main {
        padding: 24px;
    }

    .article-content {
        font-size: 15px;
    }

    .data-num {
        font-size: 36px;
    }

    .section {
        padding: 60px 0;
    }

    .cta-inner {
        padding: 50px 24px;
    }

    .cta-inner p {
        font-size: 15px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .article-hero h1 {
        font-size: 28px;
    }

    .article-main {
        padding: 18px;
        border-radius: var(--radius-md);
    }

    .article-content h2 {
        font-size: 21px;
    }

    .data-item {
        padding: 10px;
    }

    .data-num {
        font-size: 30px;
    }

    .data-label {
        font-size: 12px;
    }

    .faq-item summary {
        font-size: 15px;
        padding: 16px;
    }

    .faq-answer {
        padding: 0 16px 16px;
    }

    .cta-inner {
        padding: 40px 16px;
    }

    .hero-meta span {
        font-size: 13px;
    }

    .card-body {
        padding: 16px;
    }
}

/* roulang page: category1 */
/* =========================================================
           九游体育 · 电竞赛事分类页设计系统
           ========================================================= */
        :root {
            --c-primary: #6c3cf4;
            --c-primary-dark: #5328d6;
            --c-primary-light: #8b63ff;
            --c-accent: #ffc531;
            --c-accent-2: #ff7a3d;
            --c-dark: #120f26;
            --c-dark-2: #201a3a;
            --c-bg: #f6f7fb;
            --c-card: #ffffff;
            --c-text: #1b182d;
            --c-muted: #6f6b83;
            --c-border: #e7e6f0;
            --r-sm: 8px;
            --r-md: 14px;
            --r-lg: 22px;
            --r-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(18, 15, 38, .06);
            --shadow-md: 0 10px 35px rgba(18, 15, 38, .10);
            --shadow-lg: 0 24px 60px rgba(18, 15, 38, .16);
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            color: var(--c-text);
            background: var(--c-bg);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        img {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* 容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--r-sm);
            padding: 12px 24px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1.2;
            text-align: center;
        }

        .btn i {
            font-size: 0.85em;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 7px;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(108, 60, 244, .32);
        }

        .btn-primary:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(108, 60, 244, .42);
        }

        .btn-accent {
            background: var(--c-accent);
            color: #1b182d;
            box-shadow: 0 6px 18px rgba(255, 197, 49, .35);
        }

        .btn-accent:hover {
            background: #f5b818;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 197, 49, .45);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .72);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            border-color: var(--c-primary);
            color: var(--c-primary);
        }

        .btn-outline-dark:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(108, 60, 244, .45);
            outline-offset: 2px;
        }

        /* ============ 头部导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(108, 60, 244, .35);
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--c-muted);
            border-radius: 30px;
            transition: all .25s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--c-primary);
            background: rgba(108, 60, 244, .08);
        }

        .nav-link.active {
            color: var(--c-primary);
            background: rgba(108, 60, 244, .12);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border: 1px solid var(--c-border);
            border-radius: 8px;
            background: transparent;
            cursor: pointer;
            padding: 10px;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--c-text);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ 分类页首屏 Hero ============ */
        .category-hero {
            position: relative;
            padding: 120px 0;
            overflow: hidden;
            background: var(--c-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            transform: scale(1.04);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(18, 15, 38, .94) 0%, rgba(18, 15, 38, .72) 45%, rgba(108, 60, 244, .35) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 720px;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: .78rem;
            letter-spacing: .08em;
            color: #fff;
            margin-bottom: 28px;
            backdrop-filter: blur(6px);
        }

        .hero-content h1 {
            font-size: clamp(2.2rem, 5vw, 3.3rem);
            line-height: 1.16;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 24px rgba(0, 0, 0, .3);
        }

        .hero-content .lead {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
        }

        .hero-tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .92);
        }

        /* ============ 通用区块 ============ */
        .section {
            padding: 96px 0;
        }

        .section-bg {
            background: var(--c-bg);
        }

        .section-white {
            background: var(--c-card);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-kicker {
            font-size: .8rem;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: var(--c-primary);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            line-height: 1.25;
            margin-bottom: 14px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .section-head p {
            color: var(--c-muted);
            font-size: 1.02rem;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .section-head.light .section-kicker {
            color: var(--c-accent);
        }

        .section-head.light p {
            color: rgba(255, 255, 255, .7);
        }

        /* ============ 赛事卡片 ============ */
        .event-card {
            background: var(--c-card);
            border-radius: var(--r-lg);
            overflow: hidden;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .event-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .event-card:hover .event-cover img {
            transform: scale(1.06);
        }

        .event-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(18, 15, 38, .40), transparent 60%);
        }

        .event-badge {
            position: absolute;
            z-index: 2;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            color: var(--c-text);
            font-size: .72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(8px);
        }

        .event-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .event-body p {
            font-size: .88rem;
            color: var(--c-muted);
            flex: 1;
        }

        .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--c-border);
        }

        .event-meta .tag {
            font-size: .75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(108, 60, 244, .1);
            color: var(--c-primary);
        }

        .event-meta .link {
            font-size: .8rem;
            font-weight: 600;
            color: var(--c-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s ease;
        }

        .event-meta .link:hover {
            color: var(--c-primary);
        }

        /* ============ 数据统计深色区块 ============ */
        .stats-section {
            position: relative;
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
            overflow: hidden;
        }

        .stats-overlay {
            position: absolute;
            inset: 0;
            background: rgba(18, 15, 38, .88);
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 32px 20px;
            border-radius: var(--r-lg);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            backdrop-filter: blur(10px);
            transition: all .3s ease;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .stat-number {
            display: block;
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            color: rgba(255, 255, 255, .82);
            font-size: .9rem;
        }

        /* ============ 资讯区块 ============ */
        .news-feature {
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            height: 100%;
            min-height: 380px;
            box-shadow: var(--shadow-md);
        }

        .news-feature img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-feature::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(18, 15, 38, .88) 0%, rgba(18, 15, 38, .25) 70%, rgba(18, 15, 38, .1) 100%);
        }

        .news-feature-content {
            position: absolute;
            z-index: 2;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 30px;
            color: #fff;
        }

        .news-feature-content .news-cat {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            padding: 4px 12px;
            background: var(--c-accent);
            color: #1b182d;
            border-radius: 6px;
            margin-bottom: 14px;
        }

        .news-feature-content h3 {
            font-size: 1.3rem;
            line-height: 1.4;
            font-weight: 700;
        }

        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            height: 100%;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            padding: 20px 22px;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .news-item .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 54px;
            height: 54px;
            border-radius: 10px;
            background: rgba(108, 60, 244, .1);
            color: var(--c-primary);
            font-weight: 700;
            line-height: 1.1;
            flex-shrink: 0;
        }

        .news-item .news-date span {
            font-size: .68rem;
            font-weight: 500;
            color: var(--c-muted);
            margin-top: 2px;
        }

        .news-item h4 {
            font-size: .95rem;
            line-height: 1.45;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .news-item p {
            font-size: .8rem;
            color: var(--c-muted);
        }

        /* ============ 观赛流程 ============ */
        .flow-section {
            background: var(--c-dark);
            position: relative;
            overflow: hidden;
            padding: 96px 0;
        }

        .flow-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(108, 60, 244, .25);
            filter: blur(120px);
            top: -120px;
            right: -80px;
        }

        .flow-steps {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .flow-step {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--r-lg);
            padding: 36px 28px;
            text-align: center;
            position: relative;
            backdrop-filter: blur(6px);
            transition: all .3s ease;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-6px);
        }

        .flow-step-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--c-accent);
            display: block;
            margin-bottom: 12px;
            line-height: 1;
        }

        .flow-step h3 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .flow-step p {
            color: rgba(255, 255, 255, .65);
            font-size: .82rem;
            line-height: 1.6;
        }

        /* ============ FAQ 手风琴 ============ */
        .faq-section {
            background: var(--c-bg);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-list .accordion-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease;
        }

        .faq-list .accordion-item.is-active {
            box-shadow: var(--shadow-md);
        }

        .faq-list .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 26px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text);
            background: transparent;
            border: none;
            position: relative;
            transition: all .2s ease;
        }

        .faq-list .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .75rem;
            color: var(--c-primary);
            transition: transform .3s ease;
        }

        .faq-list .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .faq-list .accordion-content {
            padding: 4px 26px 24px;
            color: var(--c-muted);
            font-size: .92rem;
            border: none;
            background: transparent;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            padding: 80px 0;
            background: var(--c-bg);
        }

        .cta-box {
            background: linear-gradient(120deg, var(--c-primary), var(--c-primary-dark));
            border-radius: var(--r-xl);
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(108, 60, 244, .30);
        }

        .cta-box::before {
            content: "\f6e4";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            font-size: 180px;
            opacity: .08;
            top: -20px;
            right: 20px;
            line-height: 1;
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin: 0 auto 30px;
            font-size: 1rem;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--c-dark);
            color: #fff;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, .55);
            font-size: .9rem;
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .7);
            font-size: .95rem;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links h4 {
            font-size: .9rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, .9);
            letter-spacing: .05em;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            transition: all .2s ease;
        }

        .footer-links a:hover {
            color: var(--c-accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            .category-hero {
                padding: 90px 0;
            }

            .stats-grid {
                gap: 20px;
            }

            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 820px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--c-card);
                padding: 20px 24px 28px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: var(--shadow-md);
                transform: translateY(-130%);
                transition: transform .35s ease;
                z-index: 99;
            }

            .main-nav.nav-open {
                transform: translateY(0);
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .nav-link {
                width: 100%;
                padding: 14px 18px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-actions .btn {
                display: none;
            }

            .section {
                padding: 72px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                padding: 40px 28px;
                border-radius: var(--r-lg);
            }
        }

        @media screen and (max-width: 600px) {
            .category-hero {
                padding: 70px 0;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .event-body {
                padding: 18px;
            }

            .stat-item {
                padding: 22px 16px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .news-feature {
                min-height: 260px;
            }

            .news-feature-content {
                padding: 20px;
            }

            .news-feature-content h3 {
                font-size: 1.05rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .cta-box p {
                font-size: .9rem;
            }

            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        @media screen and (max-width: 420px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 64px;
            }

            .brand-logo {
                font-size: 1.25rem;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .main-nav {
                top: 64px;
            }

            .section {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item {
                padding: 18px 12px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .stat-label {
                font-size: .78rem;
            }

            .news-item {
                padding: 16px;
                flex-direction: column;
            }

            .news-item .news-date {
                flex-direction: row;
                min-width: auto;
                height: auto;
                padding: 4px 12px;
                gap: 8px;
            }

            .faq-list .accordion-title {
                padding: 18px 18px;
                font-size: .92rem;
            }

            .faq-list .accordion-content {
                padding: 4px 18px 18px;
            }
        }

/* roulang page: article */
:root {
            --primary: #e8203a;
            --primary-dark: #c8162e;
            --primary-light: #fff0f0;
            --accent: #ffb800;
            --dark: #141824;
            --dark-2: #1e2433;
            --bg: #f5f6f8;
            --white: #ffffff;
            --text: #1a1e2b;
            --text-muted: #677083;
            --border: #e7e9ee;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(20, 24, 36, 0.05);
            --shadow-md: 0 10px 30px rgba(20, 24, 36, 0.08);
            --shadow-lg: 0 18px 44px rgba(20, 24, 36, 0.12);
            --transition: all 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        button, input, select, textarea {
            font: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, #ff6a3d 100%);
            border-radius: 12px;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 4px 14px rgba(232, 32, 58, 0.3);
        }

        .main-nav {
            display: flex;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(232, 32, 58, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(232, 32, 58, 0.1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            line-height: 0;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            margin: 4px 0;
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 32, 58, 0.28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 32, 58, 0.34);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
        }

        .btn-light {
            background: #fff;
            color: var(--text);
        }

        .btn-light:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 92px 0 84px;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 24, 36, 0.72) 0%, rgba(20, 24, 36, 0.92) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
            max-width: 860px;
            text-align: center;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .article-breadcrumb a:hover {
            color: var(--accent);
        }

        .article-hero h1 {
            font-size: clamp(1.6rem, 3vw, 2.6rem);
            line-height: 1.3;
            color: #fff;
            margin-bottom: 18px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.78);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Article Content Section ===== */
        .article-content-section {
            padding: 60px 0 80px;
        }

        .article-main-col,
        .article-side-col {
            margin-bottom: 24px;
        }

        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 36px;
        }

        .article-main-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 28px;
        }

        .article-main-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }

        .article-rich-content {
            color: var(--text);
            font-size: 1.04rem;
            line-height: 1.9;
        }

        .article-rich-content p {
            margin-bottom: 1.35em;
        }

        .article-rich-content h2,
        .article-rich-content h3 {
            margin: 1.8em 0 0.7em;
        }

        .article-rich-content img {
            border-radius: var(--radius-md);
            margin: 1.6em auto;
        }

        .article-rich-content ul,
        .article-rich-content ol {
            margin: 1.4em 0;
            padding-left: 1.4em;
        }

        .article-rich-content li {
            margin-bottom: 0.55em;
            list-style: disc;
        }

        .article-rich-content blockquote {
            margin: 1.6em 0;
            padding: 18px 24px;
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-sm);
            color: var(--text);
        }

        .article-share-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            padding: 6px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .article-share {
            display: flex;
            gap: 8px;
        }

        .article-share a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .article-share a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .article-not-found {
            padding: 50px 30px;
            text-align: center;
        }

        .not-found-icon {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        /* ===== Sidebar ===== */
        .sidebar-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-title i {
            color: var(--primary);
        }

        .sidebar-about p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--text);
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .sidebar-cats a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }

        .sidebar-cats a .count {
            background: var(--primary-light);
            color: var(--primary);
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .sidebar-cats a:hover .count {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .sidebar-cta {
            background: var(--dark);
            color: #fff;
        }

        .sidebar-cta h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 10px;
        }

        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .sidebar-cta .btn {
            width: 100%;
        }

        /* ===== Section Header ===== */
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .section-tag.light {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Related ===== */
        .related-section {
            padding: 80px 0;
            background: var(--white);
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .related-card .card-cover {
            height: 200px;
            overflow: hidden;
        }

        .related-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .card-cover img {
            transform: scale(1.06);
        }

        .related-card .card-body {
            padding: 22px 22px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card .cat-label {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }

        .related-card h3 {
            font-size: 1.05rem;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
        }

        .related-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-top: auto;
        }

        /* ===== Platform Section ===== */
        .platform-section {
            position: relative;
            padding: 84px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .platform-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 24, 36, 0.94) 0%, rgba(20, 24, 36, 0.78) 100%);
        }

        .platform-section .container {
            position: relative;
            z-index: 1;
        }

        .platform-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .platform-head h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2.1rem);
            margin-bottom: 14px;
        }

        .platform-head p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.8;
        }

        .platform-features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }

        .platform-feature {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }

        .platform-feature:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            background: var(--accent);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--dark);
            box-shadow: 0 6px 18px rgba(255, 184, 0, 0.35);
        }

        .platform-feature h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .platform-feature p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        .platform-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
        }

        .faq-q .faq-icon {
            color: var(--primary);
            font-size: 1.1rem;
        }

        .faq-toggle {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
        }

        .faq-a p {
            padding-top: 14px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-banner {
            position: relative;
            padding: 72px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(20, 24, 36, 0.9) 0%, rgba(20, 24, 36, 0.65) 100%);
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            margin-bottom: 10px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 24px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-content-section {
                padding: 48px 0 64px;
            }

            .platform-features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .platform-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-card {
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 18px 24px;
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            }

            .main-nav.nav-open {
                display: block;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-link {
                display: block;
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
            }

            .article-hero {
                padding: 64px 0 56px;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-content-section {
                padding: 36px 0 56px;
            }

            .article-card {
                padding: 22px;
            }

            .related-section,
            .faq-section {
                padding: 56px 0;
            }

            .cta-banner .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn {
                flex: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .platform-section {
                padding: 56px 0;
            }

            .platform-features-grid,
            .platform-stats {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-num {
                font-size: 1.7rem;
            }

            .header-inner {
                height: 64px;
            }

            .main-nav {
                top: 64px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 1.15rem;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                border-radius: 10px;
                font-size: 0.9rem;
            }

            .header-actions .btn-sm {
                display: none;
            }

            .article-hero {
                padding: 48px 0 42px;
            }

            .article-meta {
                gap: 10px;
                font-size: 0.85rem;
            }

            .article-card {
                padding: 18px;
            }

            .article-share-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .platform-features-grid,
            .platform-stats {
                grid-template-columns: 1fr;
            }

            .platform-head h2 {
                font-size: 1.3rem;
            }

            .related-card .card-cover {
                height: 170px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }