/* roulang page: index */
:root {
    --primary: #E8501A;
    --primary-hover: #C74512;
    --secondary: #168A8A;
    --secondary-light: #E0F0EF;
    --dark: #1E1B18;
    --dark-warm: #3A2418;
    --page-bg: #F7F5F2;
    --card-bg: #FFFFFF;
    --text-main: #1E1B18;
    --text-body: #4A4642;
    --text-light: #8A8580;
    --border: #ECE8E3;
    --border-light: #E5E0DB;
    --radius-lg: 14px;
    --radius-md: 8px;
    --radius-sm: 6px;
    --shadow-card: 0 1px 4px rgba(30,27,24,0.06);
    --shadow-hover: 0 10px 28px rgba(30,27,24,0.10);
    --shadow-nav: 0 4px 12px rgba(30,27,24,0.08);
    --transition: all 0.25s ease;
    --font-stack: "Source Han Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    background: var(--page-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); text-decoration: underline; }
button { font-family: inherit; border: none; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 40px;
    padding-left: 20px;
    position: relative;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
}
.section-title-center { text-align: center; padding-left: 0; }
.section-title-center::before { display: none; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
}
.btn-primary { background: var(--primary); color: #FFFFFF; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #FFFFFF; transform: translateY(-2px); filter: brightness(0.92); text-decoration: none; box-shadow: 0 6px 18px rgba(232,80,26,0.25); }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: rgba(232,80,26,0.08); color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.btn-outline-light { background: transparent; color: #F7F5F2; border-color: rgba(247,245,242,0.55); }
.btn-outline-light:hover { background: rgba(247,245,242,0.10); color: #FFFFFF; transform: translateY(-2px); text-decoration: none; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    background: var(--secondary-light);
    color: var(--secondary);
}
.badge-primary { background: rgba(232,80,26,0.10); color: var(--primary); }
.badge-solid { background: var(--primary); color: #fff; }

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232,80,26,0.30);
}

.has-hover-float { transition: var(--transition); }
.has-hover-float:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

/* ===== 顶部品牌条 ===== */
.top-bar-strip {
    background: var(--dark);
    color: #A8A29E;
    font-size: 13px;
    line-height: 42px;
    position: relative;
    z-index: 1001;
    transition: transform 0.3s ease;
}
.top-bar-strip .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-strip .strip-left { display: flex; align-items: center; gap: 6px; }
.top-bar-strip .strip-left i { color: var(--primary); font-size: 14px; }
.top-bar-strip .strip-right { display: flex; gap: 16px; align-items: center; }
.top-bar-strip .strip-right a { color: #A8A29E; font-size: 14px; line-height: 42px; display: inline-flex; align-items: center; transition: var(--transition); }
.top-bar-strip .strip-right a:hover { color: var(--primary); text-decoration: none; }
.top-bar-strip.hidden-strip { transform: translateY(-100%); }

/* ===== 吸顶导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(30,27,24,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
    transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-nav); background: rgba(30,27,24,0.96); }
.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0 14px;
    transition: var(--transition);
    gap: 20px;
    flex-wrap: nowrap;
}
.brand-logo {
    font-size: 22px;
    font-weight: 900;
    color: #F7F5F2;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.brand-logo span { color: var(--primary); }
.brand-logo:hover { color: #F7F5F2; text-decoration: none; }
.header-search {
    display: flex;
    align-items: center;
    background: rgba(247,245,242,0.10);
    border: 1px solid rgba(247,245,242,0.10);
    border-radius: 8px;
    overflow: hidden;
    width: 220px;
    transition: var(--transition);
}
.header-search input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #F7F5F2;
    font-size: 13px;
    padding: 8px 12px;
}
.header-search input::placeholder { color: #A8A29E; }
.header-search input:focus { box-shadow: none; border: none; }
.header-search button {
    background: transparent;
    color: #A8A29E;
    padding: 8px 12px;
    font-size: 14px;
    transition: var(--transition);
}
.header-search button:hover { color: var(--primary); }
.header-search:focus-within { border-color: var(--primary); background: rgba(232,80,26,0.06); }
.header-search:focus-within button { color: var(--primary); }
.header-hot { display: flex; align-items: center; gap: 8px; font-size: 13px; white-space: nowrap; }
.header-hot .hot-label { color: #A8A29E; }
.header-hot a {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 999px;
    background: rgba(232,80,26,0.12);
    color: #E8A084;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
}
.header-hot a:hover { background: var(--primary); color: #fff; text-decoration: none; }
.main-nav {
    border-top: 1px solid rgba(247,245,242,0.06);
    padding: 0;
    transition: var(--transition);
}
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.main-nav ul::-webkit-scrollbar { display: none; }
.main-nav ul li { position: relative; }
.main-nav ul li a {
    display: block;
    color: rgba(247,245,242,0.85);
    font-size: 15px;
    font-weight: 600;
    padding: 10px 2px 14px;
    line-height: 1.4;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}
.main-nav ul li a:hover { color: #FFFFFF; text-decoration: none; }
.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}
.main-nav ul li a:hover::after { transform: scaleX(0.6); }
.main-nav ul li.active a { color: #FFFFFF; }
.main-nav ul li.active a::after { transform: scaleX(1); }
.hamburger {
    display: none;
    background: transparent;
    color: #F7F5F2;
    font-size: 26px;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
}
.hamburger:hover { background: rgba(247,245,242,0.10); }
.hamburger.active { color: var(--primary); }

/* 滚动压缩 */
.site-header.scrolled .header-main { padding: 8px 0; }
.site-header.scrolled .header-search,
.site-header.scrolled .header-hot { display: none; }
.site-header.scrolled .main-nav { border-top: none; }
.site-header.scrolled .main-nav ul li a { padding: 8px 2px; }

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, #1E1B18 0%, #3A2418 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: normal;
    position: relative;
    color: #F7F5F2;
    padding: 90px 0 100px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(232,80,26,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 90px;
    background: linear-gradient(to bottom, transparent, var(--page-bg));
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 900;
    line-height: 1.15;
    color: #FFFFFF;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    max-width: 720px;
}
.hero h1 .txt-accent { color: var(--primary); }
.hero-sub {
    font-size: 17px;
    line-height: 1.7;
    color: #C9C3BE;
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: 0;
    margin-right: 0;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-note { font-size: 13px; color: #8A8580; display: flex; align-items: center; gap: 6px; }
.hero-note i { color: var(--primary); }
.hero-data {
    margin-top: 48px;
    display: flex;
    gap: 48px;
    border-top: 1px solid rgba(247,245,242,0.08);
    padding-top: 28px;
}
.hero-data .data-item { display: flex; flex-direction: column; }
.hero-data .data-num { font-size: 30px; font-weight: 900; color: #F7F5F2; line-height: 1.2; }
.hero-data .data-label { font-size: 13px; color: #8A8580; }

/* ===== 快捷入口 ===== */
.quick-grid { padding-top: 56px; padding-bottom: 0; }
.quick-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    height: 100%;
}
.quick-card:hover {
    transform: translateY(-4px);
    border-color: rgba(232,80,26,0.30);
    box-shadow: var(--shadow-hover);
}
.quick-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232,80,26,0.10);
    border-radius: 14px;
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 16px;
    transition: var(--transition);
}
.quick-card:hover .quick-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
.quick-card h3 { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.quick-card p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 14px; }
.quick-card .quick-link { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.quick-card .quick-link:hover { text-decoration: underline; }

/* ===== 资讯区 ===== */
.news-section { background: var(--page-bg); }
.news-item {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    margin-bottom: 20px;
    transition: var(--transition);
    text-decoration: none;
}
.news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232,80,26,0.25);
}
.news-item .news-thumb {
    flex-shrink: 0;
    width: 220px;
    min-height: 150px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.news-item .news-thumb img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.news-item .news-body { padding: 20px 24px; display: flex; flex-direction: column; justify-content: center; flex: 1; }
.news-item .news-cat { font-size: 12px; font-weight: 600; color: var(--secondary); background: var(--secondary-light); border-radius: 999px; padding: 2px 10px; display: inline-block; margin-bottom: 10px; width: fit-content; }
.news-item h3 { font-size: 18px; font-weight: 700; color: var(--text-main); line-height: 1.4; margin-bottom: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-item p { font-size: 14px; color: var(--text-body); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-item .news-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-light); }
.news-item .news-meta .read-more { margin-left: auto; font-weight: 600; color: var(--primary); }
.news-item:hover .news-meta .read-more { text-decoration: underline; }

/* ===== 推荐阅读 ===== */
.recommend-section { background: var(--card-bg); }
.recommend-grid { row-gap: 32px; }
.feature-card { position: relative; overflow: hidden; padding: 0; }
.feature-card .feature-img { width: 100%; height: 200px; object-fit: cover; }
.feature-card .feature-body { padding: 24px; }
.feature-card .feature-body h3 { font-size: 20px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; line-height: 1.4; }
.feature-card .feature-body p { font-size: 14px; color: var(--text-body); margin-bottom: 14px; line-height: 1.7; }
.small-card { display: flex; gap: 16px; padding: 16px; }
.small-card .small-img { width: 100px; height: 80px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.small-card .small-body { display: flex; flex-direction: column; justify-content: center; }
.small-card .small-body h4 { font-size: 15px; font-weight: 700; color: var(--text-main); line-height: 1.4; margin-bottom: 6px; }
.small-card .small-body span { font-size: 12px; color: var(--text-light); }
.hot-list { list-style: none; padding: 0; margin: 0; }
.hot-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 10px;
    transition: var(--transition);
    border-left: 3px solid transparent;
    margin-bottom: 4px;
}
.hot-list li:hover { background: var(--page-bg); border-left-color: var(--primary); }
.hot-list .hot-num { font-size: 28px; font-weight: 900; color: var(--primary); line-height: 1; min-width: 44px; }
.hot-list .hot-body { flex: 1; }
.hot-list .hot-body h4 { font-size: 15px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; line-height: 1.4; }
.hot-list .hot-body span { font-size: 12px; color: var(--text-light); }

/* ===== 品牌介绍 ===== */
.brand-section { background: #EFEBE6; }
.brand-wrap { row-gap: 40px; align-items: center; }
.brand-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.brand-img-wrap img { width: 100%; height: 360px; object-fit: cover; }
.brand-content h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; color: var(--text-main); margin-bottom: 20px; line-height: 1.3; }
.brand-content p { font-size: 15px; line-height: 1.8; color: var(--text-body); margin-bottom: 16px; }
.brand-points { margin-top: 32px; }
.brand-points .grid-x { row-gap: 20px; }
.brand-point-card { background: var(--card-bg); border-radius: 10px; padding: 22px 20px; box-shadow: var(--shadow-card); height: 100%; transition: var(--transition); }
.brand-point-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.brand-point-card .point-icon { width: 42px; height: 42px; border-radius: 10px; background: rgba(232,80,26,0.10); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 12px; }
.brand-point-card h4 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.brand-point-card p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 0; }

/* ===== 官方入口 ===== */
.official-section { background: var(--card-bg); }
.official-wrap { row-gap: 40px; align-items: center; }
.official-content h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; color: var(--text-main); margin-bottom: 20px; line-height: 1.3; }
.official-content p { font-size: 15px; line-height: 1.8; color: var(--text-body); margin-bottom: 20px; }
.official-list { list-style: none; margin: 0 0 24px; padding: 0; }
.official-list li { display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #F0EDE8; }
.official-list li:last-child { border-bottom: none; }
.official-list .ol-icon { width: 34px; height: 34px; border-radius: 8px; background: rgba(22,138,138,0.10); color: var(--secondary); display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.official-list .ol-text h4 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 2px; }
.official-list .ol-text p { font-size: 13px; color: var(--text-light); margin: 0; line-height: 1.5; }
.official-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.official-img-wrap img { width: 100%; height: 340px; object-fit: cover; }

/* ===== CTA ===== */
.cta-section {
    background: var(--dark);
    position: relative;
    padding: 88px 0;
    text-align: center;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232,80,26,0.10) 0%, transparent 70%);
    pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 { font-size: clamp(26px, 3.5vw, 36px); font-weight: 800; color: #F7F5F2; margin-bottom: 16px; line-height: 1.3; }
.cta-inner p { font-size: 16px; color: #A8A29E; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== FAQ ===== */
.faq-section { background: var(--page-bg); }
.accordion { background: transparent; margin: 0; padding: 0; list-style: none; }
.accordion-item { background: transparent; border: 1px solid transparent; margin-bottom: 12px; border-radius: 10px; transition: var(--transition); }
.accordion-item .accordion-title {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
    position: relative;
    padding-right: 48px;
    transition: var(--transition);
}
.accordion-item .accordion-title::before { display: none; }
.accordion-item .accordion-title::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 400;
    color: var(--primary);
    transition: transform 0.25s ease;
}
.accordion-item.is-active .accordion-title { border-color: rgba(232,80,26,0.30); box-shadow: var(--shadow-card); }
.accordion-item.is-active .accordion-title::after { transform: translateY(-50%) rotate(45deg); }
.accordion-item .accordion-content {
    background: transparent;
    border: none;
    padding: 0 20px 16px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-body);
}
.accordion-item.is-active .accordion-content { background: transparent; }
.faq-item-left-border .accordion-title { border-left: 4px solid transparent; }
.faq-item-left-border .accordion-item.is-active .accordion-title { border-left-color: var(--primary); }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: #A8A29E; padding: 64px 0 0; }
.footer-grid { row-gap: 40px; padding-bottom: 48px; }
.footer-col .footer-logo { font-size: 24px; font-weight: 900; color: #F7F5F2; margin-bottom: 12px; }
.footer-col .footer-logo span { color: var(--primary); }
.footer-col p { font-size: 14px; line-height: 1.6; color: #8A8580; max-width: 260px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #F7F5F2; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #A8A29E; font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); text-decoration: none; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid rgba(247,245,242,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #A8A29E;
    font-size: 16px;
    transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; text-decoration: none; }
.footer-bottom {
    border-top: 1px solid rgba(247,245,242,0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #6E6A66;
}

/* ===== 分页器 ===== */
.pagination-wrapper { margin-top: 32px; display: flex; justify-content: center; }
.pagination { list-style: none; display: flex; gap: 8px; margin: 0; }
.pagination li a, .pagination li span {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-body);
    font-size: 14px;
    transition: var(--transition);
    padding: 0 8px;
}
.pagination li a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.pagination li.current span { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }

/* ===== 空态 ===== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--card-bg);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-light);
    font-size: 15px;
}
.empty-state i { font-size: 36px; color: var(--border-light); display: block; margin-bottom: 12px; }

/* ===== 移动端适配 ===== */
@media screen and (max-width: 1024px) {
    .header-search { width: 180px; }
    .header-hot { display: none; }
    .hero { padding: 70px 0 80px; }
    .section { padding: 64px 0; }
}
@media screen and (max-width: 768px) {
    .top-bar-strip .strip-left span { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .header-main { padding: 12px 0; }
    .hamburger { display: flex; }
    .header-search, .header-hot { display: none; }
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #FFFFFF;
        z-index: 2000;
        padding: 72px 24px 24px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        border-top: none;
        visibility: visible;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav ul li a { color: var(--text-main); font-size: 20px; font-weight: 600; padding: 16px 0; border-bottom: 1px solid var(--border); }
    .main-nav ul li a::after { display: none; }
    .main-nav ul li.active a { color: var(--primary); }
    .main-nav ul li a:hover { color: var(--primary); }
    .brand-logo { font-size: 20px; }
    .site-header.scrolled .header-main { padding: 8px 0; }
    .site-header.scrolled .hamburger { display: flex; }
    .hero-data { gap: 28px; flex-wrap: wrap; }
    .news-item { flex-direction: column; }
    .news-item .news-thumb { width: 100%; height: 160px; }
    .section { padding: 56px 0; }
    .brand-img-wrap img { height: 240px; }
    .official-img-wrap img { height: 220px; }
    .feature-card .feature-img { height: 160px; }
    .hot-num { font-size: 22px; min-width: 36px; }
}
@media screen and (max-width: 640px) {
    .hero h1 { font-size: 32px; }
    .hero-sub { font-size: 15px; }
    .hero-data { gap: 20px; }
    .hero-data .data-num { font-size: 24px; }
    .btn { padding: 10px 22px; font-size: 14px; }
    .cta-btns { flex-direction: column; align-items: center; }
    .cta-btns .btn { width: 100%; max-width: 280px; }
    .footer-grid { row-gap: 32px; }
    .section-title { margin-bottom: 28px; }
}

/* ===== 移动端菜单遮罩 ===== */
.mobile-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30,27,24,0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}
.mobile-overlay.show { opacity: 1; visibility: visible; }

/* ===== 阅读进度条 ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: var(--primary);
    z-index: 3000;
    transition: width 0.1s linear;
}

/* ===== 网格装饰 ===== */
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(247,245,242,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(247,245,242,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* roulang page: category1 */
:root {
            --primary: #E8501A;
            --primary-dark: #D44310;
            --accent: #168A8A;
            --dark: #1E1B18;
            --dark-warm: #3A2418;
            --page: #F7F5F2;
            --card: #FFFFFF;
            --border: #ECE8E3;
            --divider: #E5E0DB;
            --text: #1E1B18;
            --text-body: #4A4642;
            --text-muted: #8A8580;
            --radius-lg: 14px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 4px rgba(30, 27, 24, 0.06);
            --shadow-md: 0 10px 28px rgba(30, 27, 24, 0.10);
            --shadow-nav: 0 4px 12px rgba(30, 27, 24, 0.08);
            --transition: 0.25s ease;
        }

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

        html,
        body {
            overflow-x: hidden;
        }

        body {
            font-family: "Source Han Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--page);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 16px;
        }

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

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

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

        button {
            font-family: inherit;
        }

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

        /* ===== 顶部品牌条 ===== */
        .top-info-bar {
            height: 42px;
            background: var(--dark);
            color: #A8A29E;
            transition: all 0.35s ease;
            overflow: hidden;
        }

        .top-info-bar.hidden {
            height: 0;
            opacity: 0;
        }

        .bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            font-size: 13px;
        }

        .bar-inner .bar-text i {
            color: var(--primary);
            margin-right: 6px;
        }

        .bar-icons {
            display: flex;
            align-items: center;
        }

        .bar-icons a {
            color: #A8A29E;
            margin-left: 18px;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition);
        }

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

        /* ===== 吸顶导航 ===== */
        .site-header {
            background: rgba(30, 27, 24, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.compact {
            box-shadow: var(--shadow-nav);
        }

        .nav-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            transition: padding 0.3s ease;
            position: relative;
        }

        .site-header.compact .nav-row-1 {
            padding: 8px 0;
        }

        .logo {
            font-size: 22px;
            font-weight: 900;
            color: #F7F5F2;
            letter-spacing: -0.01em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo span {
            color: var(--primary);
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 0 6px 0 14px;
            height: 38px;
            width: 220px;
            transition: width 0.25s ease, box-shadow 0.25s ease;
        }

        .nav-search:focus-within {
            width: 240px;
            box-shadow: 0 0 0 2px rgba(232, 80, 26, 0.4);
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: #F7F5F2;
            font-size: 13px;
            width: 100%;
        }

        .nav-search input::placeholder {
            color: #8A8580;
        }

        .search-btn {
            background: transparent;
            border: none;
            color: #A8A29E;
            cursor: pointer;
            padding: 6px;
            font-size: 15px;
            flex-shrink: 0;
        }

        .search-btn:hover {
            color: var(--primary);
        }

        .hot-words {
            display: flex;
            align-items: center;
        }

        .hot-words a {
            color: #A8A29E;
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 2px 12px;
            margin-left: 8px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .hot-words a:hover {
            color: #fff;
            border-color: var(--primary);
            background: rgba(232, 80, 26, 0.15);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #F7F5F2;
            font-size: 28px;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }

        .main-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            gap: 36px;
            margin: 0;
            padding: 0;
        }

        .main-nav ul li a {
            display: block;
            color: #D8D4D0;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 0;
            position: relative;
            letter-spacing: 0.01em;
        }

        .main-nav ul li a:hover {
            color: var(--primary);
        }

        .main-nav ul li.active a {
            color: #F7F5F2;
        }

        .main-nav ul li.active a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .site-header.compact .nav-search,
        .site-header.compact .hot-words {
            display: none;
        }

        /* ===== 页头 Banner ===== */
        .page-banner {
            position: relative;
            height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--dark);
            overflow: hidden;
        }

        .banner-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: 0.75;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(30, 27, 24, 0.65);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: 0 24px;
        }

        .banner-content h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .breadcrumb {
            color: #A8A29E;
            font-size: 13px;
        }

        .breadcrumb a {
            color: #D8D4D0;
        }

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

        .breadcrumb span {
            color: #fff;
        }

        /* ===== 主内容区 ===== */
        .cat-main {
            padding: 72px 0;
            background: var(--page);
        }

        .intro-article {
            padding-right: 12px;
        }

        .intro-article h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin: 40px 0 16px;
            position: relative;
            padding-left: 20px;
        }

        .intro-article h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 2px;
        }

        .intro-article h2:first-child {
            margin-top: 0;
        }

        .intro-article p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 1em;
        }

        .intro-article figure {
            margin: 28px 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .intro-article figure img {
            width: 100%;
            object-fit: cover;
        }

        .intro-article figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            background: #fff;
            padding: 10px 16px;
        }

        .feature-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 28px;
        }

        .feature-list li {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .feature-list li:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(232, 80, 26, 0.3);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: rgba(232, 80, 26, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .feature-list h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .feature-list p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 侧边栏 ===== */
        .sidebar .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--divider);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar .card h3 i {
            color: var(--primary);
            font-size: 16px;
        }

        .side-nav {
            list-style: none;
            margin: 0;
        }

        .side-nav li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            color: var(--text-body);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            background: #F7F5F2;
            transition: all var(--transition);
        }

        .side-nav li a i {
            font-size: 13px;
            color: var(--text-muted);
        }

        .side-nav li a:hover {
            color: var(--primary);
            background: rgba(232, 80, 26, 0.06);
        }

        .side-nav li.active a {
            background: var(--primary);
            color: #fff;
        }

        .side-nav li.active a i {
            color: rgba(255, 255, 255, 0.85);
        }

        .cta-card {
            background: linear-gradient(135deg, #FFF8F4, #FFFFFF);
            border: 1px solid #F0E4DC;
            text-align: center;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff !important;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            text-align: center;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .btn-primary:hover {
            filter: brightness(0.92);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #fff !important;
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff !important;
            border-color: #fff;
        }

        .btn-link-text {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            margin-top: 8px;
        }

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

        .btn-link-text i {
            transition: transform var(--transition);
        }

        .btn-link-text:hover i {
            transform: translateX(4px);
        }

        .contact-list {
            list-style: none;
            margin: 0;
        }

        .contact-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-body);
            font-size: 14px;
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .contact-list li i {
            color: var(--accent);
            margin-top: 4px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 15px;
        }

        /* ===== 品牌档案 ===== */
        .brand-archive {
            background: #EFEBE6;
            padding: 72px 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .archive-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all var(--transition);
        }

        .archive-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(22, 138, 138, 0.25);
        }

        .archive-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(232, 80, 26, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .archive-card:nth-child(even) .archive-icon {
            background: rgba(22, 138, 138, 0.12);
            color: var(--accent);
        }

        .archive-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .archive-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA 转化区 ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(232, 80, 26, 0.4);
            border-radius: 50%;
            filter: blur(100px);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: rgba(22, 138, 138, 0.2);
            border-radius: 50%;
            filter: blur(90px);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: #A8A29E;
            font-size: 16px;
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--page);
            padding: 72px 0;
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
            list-style: none;
        }

        .faq-accordion .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .faq-accordion .accordion-item.is-open {
            border-color: rgba(232, 80, 26, 0.3);
            box-shadow: var(--shadow-md);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--card);
            color: var(--text);
            font-size: 16px;
            font-weight: 700;
            padding: 18px 20px;
            border: none;
            cursor: pointer;
            transition: color var(--transition);
            position: relative;
        }

        .faq-accordion .accordion-title:hover {
            color: var(--primary);
        }

        .faq-accordion .accordion-title::after {
            content: '\f067';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.25s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-accordion .accordion-item.is-open .accordion-title::after {
            content: '\f068';
        }

        .faq-accordion .accordion-content {
            background: #F7F5F2;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
            display: none;
            border-top: 1px solid var(--divider);
        }

        .faq-accordion .accordion-item.is-open .accordion-content {
            display: block;
            padding: 16px 20px;
        }

        .faq-accordion .accordion-content p {
            margin: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: #A8A29E;
            padding: 56px 0 0;
        }

        .footer-grid {
            margin-bottom: 40px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 900;
            color: #F7F5F2;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-logo span {
            color: var(--primary);
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: #8A8580;
            margin-bottom: 0;
        }

        .site-footer h4 {
            color: #F7F5F2;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .site-footer ul li a {
            color: #A8A29E;
        }

        .site-footer ul li a:hover {
            color: var(--primary);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #A8A29E;
            font-size: 16px;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #8A8580;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-search {
                width: 160px;
            }

            .nav-search:focus-within {
                width: 180px;
            }

            .main-nav ul {
                gap: 24px;
            }

            .intro-article {
                padding-right: 0;
            }
        }

        @media (max-width: 768px) {
            .top-info-bar {
                display: none;
            }

            .site-header {
                position: sticky;
            }

            .nav-row-1 {
                padding: 12px 0;
            }

            .nav-search,
            .hot-words {
                display: none !important;
            }

            .hamburger {
                display: block;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                z-index: 200;
                padding: 80px 28px 40px;
                overflow-y: auto;
                border-top: none;
            }

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

            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }

            .main-nav ul li a {
                color: var(--text);
                font-size: 18px;
                font-weight: 700;
                padding: 16px 0;
                border-bottom: 1px solid var(--divider);
            }

            .main-nav ul li a:hover {
                color: var(--primary);
            }

            .main-nav ul li.active a {
                color: var(--primary);
            }

            .main-nav ul li.active a::after {
                display: none;
            }

            .page-banner {
                height: 220px;
            }

            .banner-content h1 {
                font-size: 32px;
            }

            .cat-main {
                padding: 56px 0;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .brand-archive,
            .cta-section,
            .faq-section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .footer-grid {
                margin-bottom: 20px;
            }
        }

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

            .banner-content h1 {
                font-size: 28px;
            }

            .intro-article h2 {
                font-size: 22px;
            }

            .intro-article p {
                font-size: 15px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline-light {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
    --primary: #E8501A;
    --primary-dark: #D34614;
    --accent: #168A8A;
    --dark-bg: #1E1B18;
    --page-bg: #F7F5F2;
    --card-bg: #FFFFFF;
    --text-main: #1E1B18;
    --text-body: #4A4642;
    --text-muted: #8A8580;
    --border: #ECE8E3;
    --border-strong: #E5E0DB;
    --success: #2F7D4D;
    --warning: #C0392B;
    --info: #2C6E9C;
    --radius-lg: 14px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 4px rgba(30,27,24,0.06);
    --shadow-hover: 0 10px 28px rgba(30,27,24,0.10);
    --shadow-nav: 0 4px 12px rgba(30,27,24,0.08);
    --font-family: "Source Han Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    background: var(--page-bg);
    color: var(--text-body);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { text-decoration: none; color: var(--primary); transition: color .2s; }
ul, ol { list-style: none; }
input, button { font-family: inherit; }

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

/* ===== 顶部品牌条 ===== */
.brand-topbar {
    background: var(--dark-bg);
    color: #A8A29E;
    height: 42px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: transform .35s ease, opacity .35s ease;
    position: relative;
    z-index: 90;
}
.brand-topbar.hidden {
    transform: translateY(-100%);
    opacity: 0;
}
.brand-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.brand-topbar-tip {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.brand-topbar-tip i { color: var(--primary); font-size: 12px; }
.brand-topbar-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}
.brand-topbar-actions a {
    color: #A8A29E;
    font-size: 15px;
    transition: color .2s;
    display: inline-flex;
    align-items: center;
}
.brand-topbar-actions a:hover { color: var(--primary); }

/* ===== 吸顶导航 ===== */
.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(30,27,24,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: box-shadow .3s;
}
.main-header.scrolled { box-shadow: var(--shadow-nav); }
.header-main-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0 10px;
    transition: padding .3s;
}
.main-header.scrolled .header-main-row { padding: 10px 0; }
.header-logo a {
    font-size: 22px;
    font-weight: 900;
    color: #F7F5F2;
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.header-logo a span { color: var(--primary); }
.header-search-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
    transition: opacity .25s;
}
.header-search {
    display: flex;
    align-items: center;
    background: #2A2622;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s;
}
.header-search:focus-within {
    border-color: var(--primary);
    background: #1E1B18;
    box-shadow: 0 0 0 3px rgba(232,80,26,0.15);
}
.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: #F7F5F2;
    padding: 10px 14px;
    font-size: 14px;
    width: 180px;
    transition: width .25s;
}
.search-input::placeholder { color: #8A8580; }
.search-btn {
    background: transparent;
    border: none;
    color: #A8A29E;
    padding: 0 14px;
    cursor: pointer;
    font-size: 14px;
    transition: color .2s;
}
.search-btn:hover { color: var(--primary); }
.hot-tags {
    display: flex;
    align-items: center;
    gap: 8px;
}
.hot-tags span {
    font-size: 13px;
    color: #8A8580;
}
.hot-tags a {
    font-size: 13px;
    color: #A8A29E;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 4px 12px;
    border-radius: 999px;
    transition: all .2s;
}
.hot-tags a:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(232,80,26,0.1);
}

/* 频道导航 */
.main-nav {
    width: 100%;
    display: flex;
    justify-content: center;
}
.main-nav ul {
    display: flex;
    gap: 0;
}
.main-nav li { margin: 0; padding: 0; }
.main-nav a {
    display: block;
    padding: 10px 28px;
    color: #A8A29E;
    font-size: 15px;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: color .2s, border-color .2s;
}
.main-nav a:hover { color: #F7F5F2; }
.main-nav li.active a {
    color: #F7F5F2;
    border-bottom-color: var(--primary);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px;
    z-index: 10000;
}
.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: #F7F5F2;
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    z-index: 9990;
    padding: 84px 32px 32px;
    flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { border-bottom: 1px solid var(--border); }
.mobile-menu a {
    display: block;
    padding: 18px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    transition: color .2s;
}
.mobile-menu a:hover { color: var(--primary); }

/* ===== 阅读进度条 ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 9998;
    background: transparent;
}
.reading-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--primary);
    transition: width .1s linear;
}

/* ===== 文章页主体 ===== */
.article-page {
    padding: 24px 0 64px;
    min-height: 60vh;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 16px 0 4px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-divider { color: var(--border-strong); }
.breadcrumb-current {
    color: var(--text-main);
    font-weight: 600;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 文章头 */
.article-head {
    padding: 20px 0 12px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.article-head h1 {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}
.article-meta i {
    color: var(--accent);
    margin-right: 6px;
}

/* 正文阅读区 */
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 24px;
}
.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin: 36px 0 24px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}
.article-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 24px 0 16px;
    line-height: 1.4;
}
.article-body p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 1em;
}
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--page-bg);
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-body);
}
.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin: 24px 0;
}
.article-body ul {
    margin: 16px 0 24px;
}
.article-body ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    line-height: 1.6;
}
.article-body ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
}
.article-body a:hover {
    color: var(--primary-dark);
}

/* 文章底部标签与分享 */
.article-bottom {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 24px 8px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    background: var(--page-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-body);
    transition: all .2s;
}
.tag:hover {
    background: rgba(232,80,26,0.1);
    color: var(--primary);
    border-color: rgba(232,80,26,0.3);
}
.tag-cat {
    background: rgba(22,138,138,0.1);
    color: var(--accent);
    border-color: rgba(22,138,138,0.2);
}
.share-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.share-label { font-size: 13px; color: var(--text-muted); }
.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--page-bg);
    color: var(--text-body);
    border: 1px solid var(--border);
    transition: all .25s;
}
.share-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 上一篇 / 下一篇 */
.post-nav {
    max-width: 720px;
    margin: 32px auto 0;
    padding: 24px;
    display: flex;
    gap: 24px;
}
.post-nav-link {
    flex: 1;
    font-size: 14px;
    color: var(--text-body);
    padding: 8px 0;
    border-bottom: 1px solid transparent;
    transition: all .2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.post-nav-link span { color: var(--text-muted); }
.post-nav-link:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.post-prev { text-align: left; }
.post-next { text-align: right; }

/* 相关推荐 */
.related-wrap {
    max-width: 100%;
    margin: 40px auto 0;
    padding: 0 0 0 0;
}
.related-wrap .section-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
    position: relative;
    padding-left: 20px;
    margin-bottom: 24px;
}
.related-wrap .section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 2px;
    background: var(--primary);
}
.related-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s, border-color .25s;
    height: 100%;
}
.related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232,80,26,0.3);
}
.related-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}
.related-body {
    padding: 16px 20px 20px;
}
.related-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.related-meta {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 空态 */
.article-empty {
    text-align: center;
    padding: 80px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin: 48px 0;
}
.article-empty i {
    font-size: 56px;
    color: var(--border-strong);
    margin-bottom: 16px;
}
.article-empty h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
}
.article-empty p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all .25s;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(0.95);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--dark-bg);
    color: #A8A29E;
    padding: 56px 0 0;
    margin-top: 48px;
}
.footer-grid {
    padding-bottom: 32px;
}
.footer-logo {
    font-size: 22px;
    font-weight: 900;
    color: #F7F5F2;
    letter-spacing: -0.01em;
}
.footer-logo span { color: var(--primary); }
.site-footer h4 {
    font-size: 15px;
    font-weight: 700;
    color: #F7F5F2;
    margin-bottom: 16px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a {
    color: #A8A29E;
    font-size: 14px;
    transition: color .2s;
}
.site-footer ul li a:hover { color: var(--primary); }
.site-footer p {
    font-size: 14px;
    line-height: 1.8;
    color: #A8A29E;
    margin-top: 12px;
    margin-bottom: 0;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: #A8A29E;
    transition: all .25s;
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    color: #8A8580;
}

/* ===== Foundation 默认样式覆盖 ===== */
.top-bar { background: transparent; }
.top-bar ul { background: transparent; }
.menu { padding: 0; background: transparent; }
.button {
    margin: 0;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
}
.button:hover {
    background: var(--primary-dark);
    color: #fff;
}
.accordion-title {
    border: 0;
    background: transparent;
    padding: 16px 0;
}
.accordion-title:hover,
.accordion-title:focus { background: transparent; }
.pagination .current { background: var(--primary); }
.input-group { display: flex; align-items: center; }
input[type="text"],
input[type="search"] { box-shadow: none; }

/* ===== 滚动压缩（桌面端） ===== */
@media (min-width: 769px) {
    .main-header.scrolled .container {
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
    }
    .main-header.scrolled .header-main-row {
        width: auto;
        margin-right: 40px;
    }
    .main-header.scrolled .main-nav {
        width: auto;
        flex: 1;
    }
    .main-header.scrolled .header-search-wrap {
        display: none;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .article-bottom { padding-left: 24px; padding-right: 24px; }
    .post-nav { padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 768px) {
    .brand-topbar { display: none; }
    .hamburger { display: flex; }
    .header-search-wrap { display: none; }
    .main-nav { display: none; }
    .post-nav { flex-direction: column; gap: 8px; }
    .article-bottom { flex-direction: column; align-items: flex-start; }
    .related-wrap { margin-top: 32px; }
}

@media (max-width: 640px) {
    .article-page { padding: 16px 0 48px; }
    .breadcrumb { font-size: 12px; }
    .article-head h1 { font-size: 28px; }
    .article-meta { gap: 10px; }
    .article-body { padding: 24px 0; }
    .related-card img { height: 100px; }
}

@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .article-meta i { margin-right: 4px; }
    .share-row { width: 100%; justify-content: flex-start; }
}

/* roulang page: category2 */
:root {
            --primary: #E8501A;
            --primary-dark: #C74412;
            --accent: #168A8A;
            --dark-bg: #1E1B18;
            --dark-bg-soft: #3A2418;
            --page-bg: #F7F5F2;
            --card-bg: #FFFFFF;
            --text-main: #1E1B18;
            --text-body: #4A4642;
            --text-muted: #8A8580;
            --border-color: #ECE8E3;
            --divider: #E5E0DB;
            --success: #2F7D4D;
            --warning: #C0392B;
            --info: #2C6E9C;
            --radius-lg: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 4px rgba(30, 27, 24, 0.06);
            --shadow-hover: 0 10px 28px rgba(30, 27, 24, 0.10);
            --shadow-nav: 0 4px 12px rgba(30, 27, 24, 0.08);
            --font-family: "Source Han Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--page-bg);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s;
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        ul {
            list-style: none;
        }

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

        /* ===== Foundation默认样式覆盖 ===== */
        .top-bar,
        .top-bar ul {
            background: transparent;
        }

        .button {
            background: var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: all .25s;
        }

        .button:hover {
            background: var(--primary-dark);
        }

        .accordion-title {
            background: transparent;
            border: none;
            padding: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            transition: color .25s;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: transparent;
            color: var(--primary);
        }

        .menu {
            padding: 0;
        }

        .pagination {
            padding: 0;
        }

        .pagination .current {
            background: var(--primary);
            border-radius: 6px;
            padding: 0.5rem 0.9rem;
        }

        .input-group input {
            background: #F4F2EF;
            border: none;
            border-radius: var(--radius-sm);
        }

        /* ===== 顶部品牌条 ===== */
        .top-brand-bar {
            background: var(--dark-bg);
            color: #A8A29E;
            font-size: 13px;
            line-height: 1.6;
            overflow: hidden;
            transition: max-height .3s ease, opacity .3s ease;
            max-height: 42px;
        }

        .top-brand-bar.hidden {
            max-height: 0;
            opacity: 0;
        }

        .top-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 42px;
        }

        .top-brand-tagline {
            color: #A8A29E;
        }

        .top-brand-icons {
            display: flex;
            gap: 18px;
        }

        .top-brand-icons a {
            color: #A8A29E;
            font-size: 14px;
            transition: color .25s;
        }

        .top-brand-icons a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* ===== 吸顶导航 ===== */
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(30, 27, 24, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: box-shadow .3s;
        }

        .sticky-nav .container {
            display: flex;
            flex-direction: column;
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            gap: 16px;
        }

        .site-logo {
            font-size: 22px;
            font-weight: 900;
            color: #F7F5F2;
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .site-logo span {
            color: var(--primary);
        }

        .site-logo:hover {
            color: #F7F5F2;
            text-decoration: none;
        }

        .nav-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            width: 220px;
            height: 36px;
            transition: width .25s, background .25s;
            overflow: hidden;
        }

        .nav-search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #F7F5F2;
            font-size: 13px;
            font-family: var(--font-family);
        }

        .nav-search-box input::placeholder {
            color: #A8A29E;
        }

        .nav-search-box button {
            background: transparent;
            border: none;
            color: #A8A29E;
            cursor: pointer;
            font-size: 13px;
            padding-left: 8px;
        }

        .nav-search-box:focus-within {
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 2px rgba(232, 80, 26, 0.35);
        }

        .nav-hotwords {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            white-space: nowrap;
        }

        .nav-hotwords .hot-label {
            color: #A8A29E;
        }

        .nav-hotwords a {
            background: rgba(232, 80, 26, 0.16);
            color: #F7B29A;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 12px;
            transition: all .25s;
        }

        .nav-hotwords a:hover {
            background: rgba(232, 80, 26, 0.35);
            color: #fff;
            text-decoration: none;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #F7F5F2;
            font-size: 22px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav {
            display: flex;
            justify-content: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            height: 56px;
            align-items: center;
        }

        .main-nav ul {
            display: flex;
            gap: 8px;
            list-style: none;
            margin: 0;
        }

        .main-nav a {
            color: #E5E0DB;
            font-size: 15px;
            font-weight: 500;
            padding: 0 20px;
            height: 56px;
            line-height: 56px;
            display: block;
            border-bottom: 2px solid transparent;
            transition: color .25s, border-color .25s;
        }

        .main-nav a:hover {
            color: var(--primary);
            text-decoration: none;
            border-bottom-color: var(--primary);
        }

        .main-nav li.active a {
            color: #F7F5F2;
            border-bottom-color: var(--primary);
            font-weight: 700;
        }

        /* ===== 滚动压缩状态 ===== */
        .sticky-nav.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .sticky-nav.scrolled .container {
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
        }

        .sticky-nav.scrolled .nav-top-row {
            height: auto;
        }

        .sticky-nav.scrolled .nav-search-box,
        .sticky-nav.scrolled .nav-hotwords {
            display: none;
        }

        .sticky-nav.scrolled .main-nav {
            border-top: none;
            height: 64px;
            margin-left: auto;
        }

        .sticky-nav.scrolled .main-nav a {
            height: 64px;
            line-height: 64px;
        }

        /* ===== 页头 Banner ===== */
        .page-banner {
            position: relative;
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: linear-gradient(135deg, #1E1B18 0%, #3A2418 100%);
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: rgba(30, 27, 24, 0.65);
        }

        .banner-glow {
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: rgba(232, 80, 26, 0.12);
            border-radius: 50%;
            filter: blur(50px);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        .page-banner h1 {
            font-size: 40px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .page-banner .breadcrumb {
            color: #A8A29E;
            font-size: 14px;
        }

        .page-banner .breadcrumb a {
            color: #D9D3CE;
        }

        .page-banner .breadcrumb a:hover {
            color: #fff;
            text-decoration: none;
        }

        .page-banner .breadcrumb span {
            color: #F7F5F2;
        }

        /* ===== 锚点粘性导航 ===== */
        .anchor-nav-wrap {
            position: sticky;
            top: 64px;
            z-index: 50;
            background: rgba(247, 245, 242, 0.94);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--divider);
            padding: 14px 0;
        }

        .anchor-buttons {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .anchor-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            transition: all .25s;
        }

        .anchor-btn i {
            font-size: 13px;
            color: var(--accent);
        }

        .anchor-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            text-decoration: none;
            transform: translateY(-2px);
        }

        .anchor-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .anchor-btn.active i {
            color: #fff;
        }

        /* ===== 通用section ===== */
        .page-section {
            padding: 88px 0;
        }

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

        .section-heading h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: -0.01em;
            padding-left: 20px;
            border-left: 4px solid var(--primary);
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 640px;
        }

        .section-sub {
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            display: inline-block;
            margin-bottom: 8px;
        }

        /* ===== 入口类型区 ===== */
        .entry-section {
            background: var(--page-bg);
        }

        .entry-grid .cell {
            margin-bottom: 24px;
        }

        .entry-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: transform .3s, box-shadow .3s, border-color .3s;
        }

        .entry-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 80, 26, 0.30);
        }

        .entry-card.recommended {
            border-color: rgba(232, 80, 26, 0.25);
        }

        .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(232, 80, 26, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .entry-card.recommended .entry-icon {
            background: rgba(22, 138, 138, 0.10);
            color: var(--accent);
        }

        .entry-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            line-height: 1.4;
        }

        .entry-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .entry-card>p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .entry-card .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap .25s, color .25s;
        }

        .entry-card .entry-link:hover {
            gap: 10px;
            color: var(--primary-dark);
            text-decoration: none;
        }

        /* ===== 识别方法区 ===== */
        .identify-section {
            background: #EFEBE6;
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }

        .steps-row .cell {
            margin-bottom: 24px;
        }

        .step-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            height: 100%;
            position: relative;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: transform .3s, box-shadow .3s;
        }

        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-size: 30px;
            font-weight: 900;
            color: rgba(232, 80, 26, 0.18);
            display: block;
            margin-bottom: 12px;
            line-height: 1;
            font-style: italic;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-connector {
            position: relative;
        }

        .step-connector::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -1px;
            width: 1px;
            height: 40%;
            background: var(--divider);
        }

        .identify-media {
            margin-top: 48px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .identify-media .media-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }

        .identify-media .media-content {
            padding: 32px 32px 28px;
        }

        .identify-media .media-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .identify-media .media-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .identify-media .media-list {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .identify-media .media-list li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
        }

        .identify-media .media-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ===== 访问须知FAQ ===== */
        .notice-section {
            background: var(--page-bg);
        }

        .notice-faq {
            max-width: 860px;
            margin: 0 auto;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            padding: 20px 36px;
        }

        .notice-faq .accordion-item {
            border-bottom: 1px solid var(--divider);
            padding: 20px 0;
        }

        .notice-faq .accordion-item:last-child {
            border-bottom: none;
        }

        .notice-faq .accordion-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            position: relative;
            padding-right: 36px;
            display: block;
        }

        .notice-faq .accordion-title::before,
        .notice-faq .accordion-title::after {
            content: '';
            position: absolute;
            right: 6px;
            top: 50%;
            width: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .25s;
        }

        .notice-faq .accordion-title::after {
            transform: rotate(90deg);
        }

        .notice-faq .accordion-item.is-active .accordion-title::after {
            transform: rotate(0deg);
        }

        .notice-faq .accordion-content {
            background: #F7F5F2;
            border-radius: var(--radius-sm);
            margin-top: 14px;
            padding: 18px 20px;
        }

        .notice-faq .accordion-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            background: var(--dark-bg);
            position: relative;
            padding: 64px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 360px;
            height: 360px;
            background: rgba(232, 80, 26, 0.10);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 15px;
            color: #A8A29E;
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            filter: brightness(0.92);
            text-decoration: none;
        }

        .btn-outline {
            background: transparent;
            color: #F7F5F2;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #A8A29E;
            padding: 56px 0 0;
            border-top: 3px solid rgba(232, 80, 26, 0.5);
        }

        .footer-grid {
            padding-bottom: 36px;
        }

        .site-footer .cell {
            margin-bottom: 28px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 900;
            color: #F7F5F2;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-logo span {
            color: var(--primary);
        }

        .site-footer p {
            font-size: 14px;
            color: #A8A29E;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #F7F5F2;
            margin-bottom: 14px;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul a {
            color: #A8A29E;
            font-size: 14px;
            transition: color .25s;
        }

        .site-footer ul a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A8A29E;
            font-size: 15px;
            transition: all .25s;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            font-size: 13px;
            color: #8A8580;
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-search-box {
                width: 180px;
            }

            .nav-hotwords {
                display: none;
            }

            .page-section {
                padding: 68px 0;
            }
        }

        @media (max-width: 768px) {
            .top-brand-bar {
                display: none;
            }

            .sticky-nav .container {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                height: 64px;
            }

            .sticky-nav .nav-top-row {
                height: 64px;
                width: 100%;
            }

            .sticky-nav .main-nav {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: #FFFFFF;
                flex-direction: column;
                justify-content: flex-start;
                padding-top: 100px;
                z-index: 200;
                border-top: none;
                box-shadow: none;
                align-items: flex-start;
            }

            .sticky-nav .main-nav.open {
                display: flex;
            }

            .sticky-nav .main-nav ul {
                flex-direction: column;
                width: 100%;
                padding: 0 24px;
                gap: 0;
            }

            .sticky-nav .main-nav a {
                color: var(--text-main);
                font-size: 18px;
                font-weight: 600;
                height: auto;
                line-height: 1.4;
                padding: 16px 0;
                border-bottom: 1px solid var(--divider);
                border-bottom-color: var(--divider);
                width: 100%;
            }

            .sticky-nav .main-nav a:hover {
                color: var(--primary);
                border-bottom-color: var(--divider);
            }

            .sticky-nav .main-nav li.active a {
                color: var(--primary);
                border-bottom-color: var(--divider);
                font-weight: 800;
            }

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

            .sticky-nav.scrolled .container {
                flex-direction: row;
            }

            .sticky-nav.scrolled .nav-top-row {
                height: 64px;
            }

            .sticky-nav.scrolled .main-nav {
                border-top: none;
                height: auto;
                margin-left: 0;
                align-items: flex-start;
            }

            .sticky-nav.scrolled .main-nav a {
                height: auto;
                line-height: 1.4;
            }

            .nav-search-box {
                display: none;
            }

            .anchor-nav-wrap {
                top: 0;
                position: relative;
            }

            .anchor-buttons {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 4px;
            }

            .anchor-btn {
                white-space: nowrap;
                padding: 8px 16px;
                font-size: 13px;
            }

            .page-banner {
                height: 220px;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .section-heading h2 {
                font-size: 26px;
            }

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

            .cta-section h2 {
                font-size: 26px;
            }

            .identify-media .media-content {
                padding: 24px 20px;
            }

            .notice-faq {
                padding: 16px 18px;
            }

            .sticky-nav.scrolled .main-nav a {
                color: var(--text-main);
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .sticky-nav.scrolled .nav-search-box,
            .sticky-nav.scrolled .nav-hotwords {
                display: none;
            }

            .entry-card {
                padding: 22px 18px;
            }

            .step-item {
                padding: 22px 18px;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 12px;
                align-items: stretch;
            }

            .btn {
                justify-content: center;
            }

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