/* roulang page: index */
:root {
    --primary: #e63946;
    --primary-dark: #c62835;
    --secondary: #1d3557;
    --secondary-light: #2a4d7a;
    --accent: #f28c28;
    --bg: #f6f8fb;
    --surface: #ffffff;
    --text: #1a1a2e;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.12);
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 40px;
    --space-5: 64px;
    --space-6: 96px;
    --container-w: 1200px;
    --font: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s, opacity 0.25s; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; outline: none; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 var(--space-3); }

/* ============ Header / Nav ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    height: 76px;
}
.logo {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
    line-height: 1.2;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}
.logo::before {
    content: "";
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 7px;
    display: inline-block;
    flex-shrink: 0;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.main-nav a {
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text);
    position: relative;
    transition: background 0.25s, color 0.25s;
}
.main-nav a:hover { background: rgba(230, 57, 70, 0.08); color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; font-weight: 600; box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3); }
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 0 8px 0 16px;
    height: 44px;
    width: 260px;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12); }
.search-box input { flex: 1; border: none; background: transparent; font-size: 0.9rem; color: var(--text); }
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    transition: background 0.25s, transform 0.2s;
}
.search-box button:hover { background: var(--primary-dark); transform: scale(1.05); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--text); border-radius: 2px; transition: all 0.3s; }

/* ============ Hero ============ */
.hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    min-height: 560px;
    display: flex;
    align-items: center;
    isolation: isolate;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(29, 53, 87, 0.93) 10%, rgba(29, 53, 87, 0.65) 55%, rgba(230, 57, 70, 0.35) 100%);
    z-index: -1;
}
.hero-content { max-width: 680px; padding: var(--space-5) 0; }
.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
    color: #fff;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 22px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 18px;
}
.hero p {
    font-size: 1.12rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
    margin-bottom: 34px;
    max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(230, 57, 70, 0.4); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.7); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--secondary); border-color: var(--secondary); }
.btn-outline-dark:hover { background: var(--secondary); color: #fff; }
.btn-sm { padding: 7px 18px; font-size: 0.85rem; border-radius: 20px; }

/* ============ Sections ============ */
.section { padding: var(--space-6) 0; }
.section-alt { background: var(--surface); border-radius: 40px; margin: var(--space-4) var(--space-3); padding: var(--space-5) var(--space-4); }
.section-head { margin-bottom: var(--space-4); }
.section-tag {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 4px 14px;
    background: rgba(230, 57, 70, 0.1);
    border-radius: 20px;
    margin-bottom: 10px;
}
.section-head h2 { font-size: 2.1rem; font-weight: 800; color: var(--secondary); letter-spacing: -0.5px; }
.section-head p { max-width: 640px; color: var(--text-muted); margin-top: 6px; }

/* ============ About / Stats ============ */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-5);
    align-items: center;
}
.about-text .lead { font-size: 1.08rem; color: var(--text); line-height: 1.9; margin: 16px 0; }
.about-text p { color: var(--text-muted); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-3);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-num { display: block; font-size: 2.3rem; font-weight: 800; color: var(--secondary); line-height: 1.3; }
.stat-label { font-size: 0.88rem; color: var(--text-muted); }

/* ============ Category Cards ============ */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.category-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.35s, box-shadow 0.35s;
    display: block;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card img { width: 100%; height: 240px; object-fit: cover; transition: transform 0.5s; }
.category-card:hover img { transform: scale(1.04); }
.category-content { padding: var(--space-3); position: relative; }
.category-icon {
    position: absolute;
    top: -26px;
    right: 22px;
    width: 52px; height: 52px;
    background: var(--secondary);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 20px rgba(29, 53, 87, 0.35);
}
.category-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--secondary); }
.category-card p { color: var(--text-muted); font-size: 0.92rem; margin: 8px 0 16px; }
.category-link { color: var(--primary); font-weight: 600; font-size: 0.92rem; }

/* ============ News List ============ */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.news-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-3);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.news-meta { display: flex; align-items: center; gap: 12px; }
.tag {
    background: rgba(242, 140, 40, 0.15);
    color: #b45309;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 20px;
}
.tag-blue { background: rgba(29, 53, 87, 0.1); color: var(--secondary); }
.news-meta time { font-size: 0.82rem; color: var(--text-muted); }
.news-card h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.5; }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { font-size: 0.9rem; color: var(--text-muted); flex: 1; }
.read-more { font-size: 0.88rem; color: var(--primary); font-weight: 600; }
.empty-list {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
    color: var(--text-muted);
    font-size: 1rem;
}

/* ============ Featured ============ */
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.featured-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.featured-card img { width: 100%; height: 180px; object-fit: cover; }
.featured-body { padding: var(--space-3); }
.featured-body .tag { margin-bottom: 8px; display: inline-block; }
.featured-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.featured-body p { font-size: 0.88rem; color: var(--text-muted); }

/* ============ Process ============ */
.process-section { background: var(--secondary); color: #fff; position: relative; overflow: hidden; }
.process-section::before {
    content: "";
    position: absolute;
    top: -60px; right: -60px;
    width: 260px; height: 260px;
    background: rgba(230, 57, 70, 0.3);
    border-radius: 50%;
}
.process-section .section-tag { background: rgba(255, 255, 255, 0.15); color: #fff; }
.process-section h2 { color: #fff; }
.process-section .section-head p { color: rgba(255, 255, 255, 0.75); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); position: relative; }
.process-item {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
    border-radius: var(--radius);
    padding: var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: transform 0.3s, background 0.3s;
}
.process-item:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-4px); }
.process-num {
    width: 42px; height: 42px;
    background: var(--primary);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.2rem;
    margin-bottom: 14px;
}
.process-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.process-item p { font-size: 0.85rem; color: rgba(255, 255, 255, 0.75); }

/* ============ FAQ ============ */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: var(--space-2);
    overflow: hidden;
    transition: box-shadow 0.3s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-q {
    padding: 18px 22px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text);
}
.faq-q i { color: var(--primary); transition: transform 0.3s; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height 0.35s, padding 0.35s; color: var(--text-muted); font-size: 0.92rem; }
.faq-item.open .faq-a { padding: 0 22px 18px; max-height: 300px; }

/* ============ CTA ============ */
.cta-section {
    background: linear-gradient(130deg, var(--primary), var(--accent));
    border-radius: 24px;
    padding: var(--space-4) var(--space-5);
    text-align: center;
    color: #fff;
    box-shadow: 0 20px 60px rgba(230, 57, 70, 0.3);
    position: relative;
    overflow: hidden;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-section p { max-width: 560px; margin: 0 auto 28px; opacity: 0.95; }
.cta-form { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.cta-form input {
    padding: 12px 22px;
    border-radius: 30px;
    border: none;
    width: 300px;
    font-size: 0.95rem;
}
.cta-form .btn { background: var(--secondary); color: #fff; }
.cta-form .btn:hover { background: #152c48; }

/* ============ Footer ============ */
.site-footer { background: var(--secondary); color: rgba(255, 255, 255, 0.8); padding: var(--space-5) 0 0; margin-top: var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--space-4); padding-bottom: var(--space-4); }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; padding: 4px 0; font-size: 0.9rem; color: rgba(255, 255, 255, 0.65); }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { font-size: 0.9rem; padding: 4px 0; color: rgba(255, 255, 255, 0.65); }
.footer-contact i { width: 22px; color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 20px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255, 255, 255, 0.65); }
.footer-bottom a:hover { color: var(--accent); }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
    .header-inner { gap: 14px; }
    .search-box { width: 200px; }
    .hero h1 { font-size: 2.6rem; }
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
}
@media (max-width: 768px) {
    .header-inner { height: 64px; }
    .logo { font-size: 1.2rem; }
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 6px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        display: none;
    }
    .main-nav.open { display: flex; }
    .main-nav a { text-align: center; padding: 12px 16px; }
    .search-box { width: 42px; border: none; background: transparent; }
    .search-box input { display: none; }
    .search-box button { background: var(--secondary); }
    .nav-toggle { display: flex; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
    .hero { min-height: 480px; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .category-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: var(--space-4); }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .featured-grid { grid-template-columns: 1fr; }
    .section { padding: var(--space-4) 0; }
    .section-alt { margin: var(--space-2); padding: var(--space-3); }
    .cta-section { padding: var(--space-3); }
    .cta-form input { width: 100%; }
}
@media (max-width: 520px) {
    .hero h1 { font-size: 1.7rem; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .process-grid { grid-template-columns: 1fr; }
    .stat-num { font-size: 1.8rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --color-primary:#0f2b46;
  --color-primary-dark:#081d30;
  --color-primary-light:#1e4a73;
  --color-accent:#f59e0b;
  --color-accent-dark:#d97706;
  --color-bg:#f8fafc;
  --color-white:#ffffff;
  --color-text:#1e293b;
  --color-text-light:#64748b;
  --color-border:#e2e8f0;
  --color-gray:#f1f5f9;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(15,43,70,.06);
  --shadow-md:0 10px 30px rgba(15,43,70,.1);
  --shadow-lg:0 24px 60px rgba(15,43,70,.16);
  --transition:all .3s ease;
  --container-w:1200px;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
button,input,textarea{font:inherit;border:none;outline:none;background:none}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:50px;font-weight:600;font-size:15px;
  cursor:pointer;transition:var(--transition);white-space:nowrap;
}
.btn-primary{background:var(--color-accent);color:#fff;box-shadow:0 8px 22px rgba(245,158,11,.35)}
.btn-primary:hover{background:var(--color-accent-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,119,6,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(217,119,6,.3)}
.btn-outline{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);
}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-outline:focus-visible,.btn-primary:focus-visible{outline:3px solid rgba(245,158,11,.4);outline-offset:2px}
/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;
}
.section-eyebrow{
  font-size:13px;font-weight:700;letter-spacing:3px;color:var(--color-accent);text-transform:uppercase;margin-bottom:8px;
}
.section-title{font-size:32px;font-weight:800;color:var(--color-primary);line-height:1.3}
.section-desc{color:var(--color-text-light);font-size:15px;max-width:640px;margin-top:10px}
.section-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--color-primary);font-weight:600;font-size:14px;flex-shrink:0;
}
.section-link i{transition:transform .3s}
.section-link:hover{color:var(--color-accent)}
.section-link:hover i{transform:translateX(4px)}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.logo{
  font-size:22px;font-weight:800;color:var(--color-primary);letter-spacing:.5px;white-space:nowrap;
}
.logo span{color:var(--color-accent)}
.main-nav{display:flex;align-items:center;gap:6px;flex-shrink:0}
.main-nav a{
  position:relative;padding:8px 16px;font-size:15px;font-weight:500;color:var(--color-text);border-radius:8px;
}
.main-nav a::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:3px;border-radius:3px;
  background:var(--color-accent);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.main-nav a:hover{color:var(--color-primary);background:var(--color-gray)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--color-primary);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
/* 搜索框 */
.search-box{
  flex:1;max-width:400px;display:flex;align-items:center;gap:12px;
  background:var(--color-gray);border:1.5px solid transparent;border-radius:50px;
  padding:9px 18px;margin-left:auto;transition:var(--transition);
}
.search-box:focus-within{background:#fff;border-color:var(--color-accent);box-shadow:0 0 0 4px rgba(245,158,11,.15)}
.search-box input{flex:1;font-size:14px;color:var(--color-text);background:transparent}
.search-box input::placeholder{color:#94a3b8}
.search-box button{color:var(--color-text-light);font-size:15px;cursor:pointer;transition:color .3s;display:flex;padding:4px}
.search-box button:hover{color:var(--color-accent)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:10px;cursor:pointer;background:var(--color-gray);
  align-items:center;flex-shrink:0;
}
.nav-toggle span{width:20px;height:2px;background:var(--color-primary);border-radius:2px;transition:var(--transition)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ===== 页首横幅 ===== */
.page-hero{
  position:relative;padding:110px 0 90px;color:#fff;overflow:hidden;
  background:linear-gradient(115deg,rgba(8,29,48,.95) 0%,rgba(15,43,70,.82) 45%,rgba(30,74,115,.68) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:24px;display:flex;gap:8px;align-items:center}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--color-accent)}
.breadcrumb i{font-size:10px}
.page-hero h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:1px;margin-bottom:20px}
.page-hero .hero-lead{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);max-width:720px;margin-bottom:32px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags a{
  padding:7px 18px;border-radius:50px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;transition:var(--transition);
}
.hero-tags a:hover{background:var(--color-accent);border-color:var(--color-accent);color:#fff;transform:translateY(-2px)}
/* ===== 赛事快讯 ===== */
.news-area{background:var(--color-white)}
.news-grid{display:grid;grid-template-columns:1fr 340px;gap:48px}
.news-list{display:flex;flex-direction:column;gap:4px}
.news-item{
  display:flex;gap:20px;padding:24px 0;border-bottom:1px dashed var(--color-border);transition:background .3s;
}
.news-item:first-child{padding-top:0}
.news-date{
  flex-shrink:0;width:64px;height:64px;border-radius:16px;background:var(--color-gray);
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--color-primary);
  border:1px solid var(--color-border);
}
.news-date b{font-size:22px;line-height:1}
.news-date span{font-size:12px;margin-top:4px;color:var(--color-text-light)}
.news-body{flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--color-text-light);margin-bottom:8px}
.badge{
  display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;
}
.badge-live{background:rgba(239,68,68,.1);color:#dc2626}
.badge-review{background:rgba(245,158,11,.12);color:var(--color-accent-dark)}
.badge-preview{background:rgba(16,185,129,.1);color:#059669}
.news-title{font-size:17px;font-weight:700;color:var(--color-primary);line-height:1.5;margin-bottom:6px}
.news-title a:hover{color:var(--color-accent)}
.news-summary{font-size:14px;color:var(--color-text-light);line-height:1.7}
/* 侧边栏 */
.sidebar{display:flex;flex-direction:column;gap:32px}
.side-card{
  background:var(--color-bg);border:1px solid var(--color-border);
  border-radius:var(--radius-md);padding:28px 24px;
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--color-primary);margin-bottom:18px;
  padding-bottom:12px;border-bottom:2px solid var(--color-accent);display:inline-block;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  padding:7px 16px;border-radius:50px;background:#fff;border:1px solid var(--color-border);
  font-size:13px;color:var(--color-text-light);transition:var(--transition);
}
.tag-cloud a:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff;transform:translateY(-2px)}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:flex;align-items:center;gap:14px;padding:12px;background:#fff;
  border-radius:12px;border:1px solid var(--color-border);transition:var(--transition);
}
.rank-item:hover{box-shadow:var(--shadow-sm);transform:translateX(4px)}
.rank-num{
  width:30px;height:30px;border-radius:8px;background:var(--color-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;
}
.rank-item:nth-child(1) .rank-num{background:var(--color-accent)}
.rank-item:nth-child(2) .rank-num{background:#94a3b8}
.rank-item:nth-child(3) .rank-num{background:#a16207}
.rank-info{flex:1;min-width:0}
.rank-info b{font-size:14px;color:var(--color-primary);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info span{font-size:12px;color:var(--color-text-light)}
.rank-hot{color:var(--color-accent) !important;font-weight:700}
/* ===== 热门赛事推荐 ===== */
.featured-section{background:var(--color-bg)}
.event-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.event-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);
  box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;display:flex;flex-direction:column;
}
.event-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.event-thumb{position:relative;height:190px;overflow:hidden}
.event-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.event-card:hover .event-thumb img{transform:scale(1.06)}
.event-thumb .event-status{
  position:absolute;top:14px;left:14px;padding:5px 14px;border-radius:30px;
  font-size:12px;font-weight:700;color:#fff;background:rgba(15,43,70,.72);
  backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.2);
}
.event-thumb .event-status.live{background:rgba(220,38,38,.85)}
.event-thumb .event-status.upcoming{background:rgba(5,150,105,.85)}
.event-thumb .event-status.finished{background:rgba(100,116,139,.8)}
.event-body{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.event-type{font-size:12px;color:var(--color-accent);font-weight:700;letter-spacing:1px;margin-bottom:8px}
.event-name{font-size:17px;font-weight:700;color:var(--color-primary);line-height:1.4;margin-bottom:10px}
.event-meta{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--color-text-light);margin-top:auto}
.event-meta span{display:flex;align-items:center;gap:8px}
.event-meta i{color:var(--color-accent);width:16px}
/* ===== 数据统计 ===== */
.stats-section{
  position:relative;padding:90px 0;color:#fff;text-align:center;
  background:linear-gradient(rgba(8,29,48,.9),rgba(15,43,70,.88)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:20px}
.stat-item{padding:30px 20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:var(--transition)}
.stat-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.stat-num{font-size:48px;font-weight:800;line-height:1;color:var(--color-accent);font-variant-numeric:tabular-nums}
.stat-label{margin-top:12px;font-size:15px;color:rgba(255,255,255,.8)}
/* ===== 深度赛事观察 ===== */
.analysis-section{background:#fff}
.analysis-grid{display:flex;flex-direction:column;gap:56px}
.analysis-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.analysis-block.reverse .analysis-img{order:2}
.analysis-img{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-md);
}
.analysis-img img{width:100%;height:340px;object-fit:cover}
.analysis-img::after{
  content:'';position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(0deg,rgba(8,29,48,.35),transparent 45%);pointer-events:none;
}
.analysis-tag{
  position:absolute;bottom:18px;left:18px;background:var(--color-accent);color:#fff;
  padding:6px 16px;border-radius:30px;font-size:12px;font-weight:600;z-index:2;
}
.analysis-content .eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--color-accent);text-transform:uppercase}
.analysis-content h3{font-size:26px;font-weight:800;color:var(--color-primary);line-height:1.4;margin:14px 0 16px}
.analysis-content p{font-size:15px;color:var(--color-text-light);line-height:1.8;margin-bottom:20px}
.analysis-content .btn{padding:10px 26px;font-size:14px}
.btn-ghost{
  background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{background:var(--color-primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}
/* ===== 赛程时间线 ===== */
.schedule-section{background:var(--color-bg)}
.timeline{position:relative;max-width:820px;margin:0 auto;padding:10px 0}
.timeline::before{
  content:'';position:absolute;left:110px;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--color-accent),var(--color-primary-light));border-radius:3px;
}
.timeline-item{position:relative;padding:22px 0 22px 150px}
.timeline-month{
  position:absolute;left:40px;top:22px;width:130px;font-size:16px;font-weight:700;
  color:var(--color-primary);display:flex;align-items:center;gap:8px;
}
.timeline-month i{color:var(--color-accent)}
.timeline-dot{
  position:absolute;left:104px;top:28px;width:16px;height:16px;border-radius:50%;
  background:var(--color-accent);border:3px solid #fff;box-shadow:0 0 0 3px var(--color-accent);
  z-index:2;
}
.timeline-card{
  background:#fff;border-radius:var(--radius-md);border:1px solid var(--color-border);
  padding:22px 26px;box-shadow:var(--shadow-sm);transition:var(--transition);
}
.timeline-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.timeline-card h4{font-size:17px;font-weight:700;color:var(--color-primary);margin-bottom:6px}
.timeline-card p{font-size:14px;color:var(--color-text-light)}
.timeline-card .t-time{font-size:13px;color:var(--color-accent);font-weight:600;margin-top:10px;display:flex;align-items:center;gap:6px}
/* ===== FAQ ===== */
.faq-section{background:#fff}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{
  border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;
  background:var(--color-white);transition:var(--transition);
}
.faq-item:hover{border-color:var(--color-accent)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 28px;font-size:16px;font-weight:600;color:var(--color-primary);cursor:pointer;text-align:left;
}
.faq-icon{
  width:32px;height:32px;flex-shrink:0;border-radius:50%;background:var(--color-gray);
  display:flex;align-items:center;justify-content:center;color:var(--color-accent);transition:var(--transition);
}
.faq-item.open .faq-icon{background:var(--color-accent);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer p{padding:0 28px 24px;font-size:14px;line-height:1.8;color:var(--color-text-light)}
/* ===== CTA ===== */
.cta-section{
  position:relative;padding:88px 0;color:#fff;
  background:linear-gradient(120deg,rgba(8,29,48,.94),rgba(15,43,70,.82)),
    url('/assets/images/backpic/back-3.png') center/cover;
}
.cta-box{
  max-width:760px;margin:0 auto;text-align:center;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:52px 48px;
  backdrop-filter:blur(8px);
}
.cta-box h2{font-size:30px;font-weight:800;margin-bottom:14px}
.cta-box p{font-size:15px;color:rgba(255,255,255,.75);margin-bottom:32px}
.cta-form{display:flex;gap:12px;max-width:460px;margin:0 auto}
.cta-form input{
  flex:1;padding:14px 20px;border-radius:50px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25);color:#fff;font-size:14px;transition:var(--transition);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{background:rgba(255,255,255,.18);border-color:var(--color-accent)}
.cta-hint{font-size:12px;color:rgba(255,255,255,.5);margin-top:16px}
/* ===== Footer ===== */
.site-footer{background:var(--color-primary-dark);color:rgba(255,255,255,.8);padding:70px 0 0}
.site-footer .logo{color:#fff}
.site-footer .logo span{color:var(--color-accent)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.6)}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--color-accent);border-radius:2px;
}
.footer-col a{display:block;font-size:14px;padding:7px 0;color:rgba(255,255,255,.65);transition:var(--transition)}
.footer-col a:hover{color:var(--color-accent);transform:translateX(4px)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;padding:7px 0;color:rgba(255,255,255,.65)}
.footer-contact i{color:var(--color-accent);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--color-accent)}
/* ===== 响应式 ===== */
@media(max-width:1024px){
  .header-inner{gap:16px}
  .event-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .analysis-block,.analysis-block.reverse{grid-template-columns:1fr;gap:32px}
  .analysis-block.reverse .analysis-img{order:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .news-grid{grid-template-columns:1fr}
  .sidebar{flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1;min-width:280px}
  .page-hero h1{font-size:38px}
}
@media(max-width:768px){
  .header-inner{height:64px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:16px 24px 24px;gap:4px;box-shadow:var(--shadow-lg);border-bottom:1px solid var(--color-border);
    transform:translateY(-110%);transition:transform .35s ease;z-index:999;visibility:hidden;
  }
  .main-nav.open{transform:translateY(0);visibility:visible}
  .main-nav a{padding:12px 16px;font-size:16px;border-radius:10px}
  .main-nav a::after{display:none}
  .main-nav a.active{background:var(--color-gray)}
  .search-box{margin-left:0;max-width:none;order:3;flex-basis:calc(100% - 0px)}
  .header-inner{flex-wrap:wrap}
  .page-hero{padding:76px 0 60px}
  .section{padding:64px 0}
  .section-title{font-size:26px}
  .event-grid{grid-template-columns:1fr 1fr;gap:16px}
  .event-thumb{height:160px}
  .timeline::before{left:16px}
  .timeline-item{padding-left:50px}
  .timeline-month{left:0;width:auto;position:relative;top:auto;margin-bottom:4px}
  .timeline-dot{left:10px;top:30px}
  .timeline-card{padding:18px 20px}
  .cta-box{padding:36px 24px}
  .cta-form{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .stats-section{background-attachment:scroll}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .event-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .news-item{flex-direction:row;gap:14px}
  .news-date{width:54px;height:54px;border-radius:12px}
  .news-title{font-size:16px}
  .analysis-img img{height:240px}
  .cta-box h2{font-size:24px}
  .footer-grid{gap:24px}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63e2e;
            --primary-dark: #c92a1d;
            --primary-light: #ffe0db;
            --secondary: #1e2a38;
            --secondary-light: #2a3a4e;
            --accent: #f59e0b;
            --bg: #f7f7f8;
            --bg-white: #ffffff;
            --bg-dark: #141d27;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 18px 50px rgba(30, 42, 56, 0.14);
            --transition: all 0.3s ease;
            --container: 1200px;
        }

        /* ===== 基础 Reset ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            font-size: 16px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 72px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            letter-spacing: -0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 4px 6px 4px 16px;
            width: 260px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 62, 46, 0.12);
            background: #fff;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #9ca3af;
        }
        .search-box button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 13px;
        }
        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== 通用板块 ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #141d27 0%, #1e2a38 100%);
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.35;
            clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(20, 29, 39, 0.95) 30%, rgba(20, 29, 39, 0.4));
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 62, 46, 0.25);
            border: 1px solid rgba(230, 62, 46, 0.4);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 13px;
            color: #ffd5cf;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .page-banner h1 span {
            color: var(--primary);
        }
        .page-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            line-height: 1.7;
        }
        .banner-stats {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .banner-stats .stat {
            text-align: left;
        }
        .banner-stats .stat strong {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .banner-stats .stat span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .section-head .left h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }
        .section-head .left h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 4px;
        }
        .section-head .left p {
            color: var(--text-light);
            margin-top: 8px;
            font-size: 15px;
            max-width: 560px;
        }
        .section-head .right {
            font-size: 14px;
            color: var(--text-light);
            background: var(--bg);
            padding: 6px 16px;
            border-radius: 100px;
            border: 1px solid var(--border);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-card:hover .card-media img {
            transform: scale(1.05);
        }
        .card-media .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            box-shadow: 0 4px 12px rgba(230, 62, 46, 0.3);
            z-index: 2;
        }
        .card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #9ca3af;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-meta .tag {
            background: var(--bg);
            padding: 3px 10px;
            border-radius: 100px;
            font-size: 12px;
            color: var(--text-light);
        }

        /* ===== 图文区块 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .feature-text h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .feature-text > p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .feature-list {
            display: grid;
            gap: 14px;
            margin-bottom: 30px;
        }
        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 15px;
            line-height: 1.6;
        }
        .feature-list li i {
            color: var(--primary);
            margin-top: 4px;
        }
        .check-item {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .check-item i {
            color: var(--primary);
        }

        /* ===== 数据统计 ===== */
        .data-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 70px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-attachment: fixed;
            position: relative;
        }
        .data-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 29, 39, 0.85);
        }
        .data-section .container {
            position: relative;
            z-index: 2;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .data-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }
        .data-item .icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .data-item strong {
            display: block;
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }
        .data-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 步骤流程 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -16px;
            left: 24px;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(230, 62, 46, 0.3);
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 12px 0 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 内容列表 ===== */
        .article-list {
            display: grid;
            gap: 16px;
        }
        .article-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 20px;
            transition: var(--transition);
        }
        .article-item:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(230, 62, 46, 0.1);
            transform: translateX(6px);
        }
        .article-item .num {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            opacity: 0.35;
            min-width: 48px;
            text-align: center;
        }
        .article-item .info {
            flex: 1;
        }
        .article-item .info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .article-item .info h4:hover {
            color: var(--primary);
        }
        .article-item .info p {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-item .arrow {
            color: var(--text-light);
            font-size: 18px;
            transition: var(--transition);
        }
        .article-item:hover .arrow {
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item summary {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item .faq-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0 24px 20px;
            padding-left: 0;
            padding-right: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 50px;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
            box-shadow: 0 20px 60px rgba(230, 62, 46, 0.25);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: url('/assets/images/coverpic/cover-6.png') center/cover no-repeat;
            opacity: 0.25;
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 15px;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid #fff;
            box-shadow: none;
            margin-left: 12px;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            box-shadow: none;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 14px;
            display: block;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .footer-contact {
            display: grid;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-contact li i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                height: auto;
                flex-wrap: wrap;
                padding: 12px 0;
                gap: 12px;
                position: relative;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                flex-direction: column;
                align-items: stretch;
                background: var(--bg-white);
                border: 1px solid var(--border);
                border-radius: var(--radius-sm);
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .search-box {
                order: 2;
                flex: 1;
                width: auto;
                margin-right: 8px;
            }
            .page-banner {
                padding: 70px 0 60px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .banner-stats {
                gap: 20px;
            }
            .banner-stats .stat strong {
                font-size: 26px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head .left h2 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .feature-row {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
                padding-top: 20px;
            }
            .step-card::before {
                top: -16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section .btn-group {
                display: flex;
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .btn-outline {
                margin-left: 0;
            }
            .article-item {
                flex-wrap: wrap;
            }
            .article-item .info {
                min-width: 200px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner p {
                font-size: 15px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .banner-stats .stat strong {
                font-size: 24px;
            }
            .section-head .left h2 {
                font-size: 22px;
            }
            .header-inner {
                padding: 10px 0;
            }
            .logo {
                font-size: 18px;
            }
            .search-box input::placeholder {
                font-size: 13px;
            }
            .faq-item summary {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-item .faq-body {
                font-size: 13px;
            }
        }

/* roulang page: article */
:root {
    --primary: #e63946;
    --primary-dark: #b91c1c;
    --primary-light: #fee2e2;
    --secondary: #111827;
    --secondary-light: #1f2937;
    --accent: #f59e0b;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-weak: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --transition: 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input { font-family: inherit; }
ul, ol { list-style: none; }

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(17, 24, 39, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 74px;
}
.logo {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}
.logo:hover { color: var(--primary); }
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 50px;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.main-nav a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 14px rgba(230,57,70,0.35); }
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50px;
    padding: 5px 6px 5px 18px;
    width: 320px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.search-box:focus-within {
    background: #fff;
    border-color: rgba(230,57,70,0.4);
    box-shadow: 0 0 0 4px rgba(230,57,70,0.12);
}
.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 14px;
    min-width: 0;
}
.search-box:focus-within input { color: var(--text); }
.search-box input::placeholder { color: rgba(255,255,255,0.5); }
.search-box:focus-within input::placeholder { color: #94a3b8; }
.search-box button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.search-box button:hover { background: var(--primary-dark); transform: scale(1.05); }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
    flex-shrink: 0;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.page-banner {
    position: relative;
    padding: 90px 0 80px;
    background-size: cover;
    background-position: center;
    color: #fff;
    border-bottom: 4px solid var(--primary);
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17,24,39,0.92) 0%, rgba(17,24,39,0.65) 55%, rgba(230,57,70,0.35) 100%);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px rgba(230,57,70,0.4);
}
.page-banner h1 {
    font-size: 40px;
    line-height: 1.3;
    font-weight: 800;
    max-width: 760px;
    margin-bottom: 22px;
    letter-spacing: 0.3px;
}
.banner-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
}
.banner-meta span { display: inline-flex; align-items: center; gap: 6px; }
.banner-meta i { color: var(--accent); font-size: 15px; }

.breadcrumb-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    font-size: 14px;
    color: var(--text-weak);
}
.breadcrumb-bar .container { display: flex; align-items: center; flex-wrap: wrap; }
.breadcrumb-bar a { color: var(--text-weak); }
.breadcrumb-bar a:hover { color: var(--primary); }
.breadcrumb-bar i { font-size: 10px; margin: 0 10px; color: #cbd5e1; }
.breadcrumb-bar .current {
    color: var(--text);
    font-weight: 500;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-main {
    padding: 50px 0 60px;
}
.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}
.article-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 44px 48px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.article-body {
    font-size: 16.5px;
    line-height: 1.9;
    color: #334155;
}
.article-body h2 {
    font-size: 24px;
    margin: 36px 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    color: var(--text);
    font-weight: 700;
}
.article-body h3 {
    font-size: 20px;
    margin: 28px 0 12px;
    color: var(--text);
    font-weight: 600;
}
.article-body p { margin-bottom: 18px; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body img {
    border-radius: var(--radius);
    margin: 24px 0;
    box-shadow: var(--shadow);
}
.article-body ul,
.article-body ol { margin: 0 0 18px 26px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
    color: #7f1d1d;
}
.article-body code {
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--primary-dark);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}
.tag {
    display: inline-block;
    padding: 5px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-weak);
    transition: all 0.3s ease;
    cursor: pointer;
}
.tag:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-weak);
}
.article-share span { margin-right: 4px; }
.article-share a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    color: var(--text-weak);
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.article-empty {
    text-align: center;
    padding: 60px 20px;
}
.article-empty i {
    font-size: 64px;
    color: #cbd5e1;
    margin-bottom: 20px;
    display: block;
}
.article-empty h2 { font-size: 28px; color: var(--text); margin-bottom: 12px; }
.article-empty p { color: var(--text-weak); margin-bottom: 28px; }

.article-sidebar {
    position: sticky;
    top: 94px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.side-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.side-box h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
    color: var(--text);
}
.side-box p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.8;
}
.side-box ul { list-style: none; }
.side-box li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 8px;
}
.side-box li:last-child { border-bottom: none; }
.side-box li i { color: var(--primary); font-size: 12px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list .tag { cursor: pointer; }
.side-banner {
    background-size: cover;
    background-position: center;
    border-radius: var(--radius);
    padding: 30px 26px;
    position: relative;
    color: #fff;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
}
.side-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17,24,39,0.88) 0%, rgba(17,24,39,0.35) 100%);
}
.side-banner h3,
.side-banner p,
.side-banner .btn { position: relative; z-index: 1; }
.side-banner h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; border: none; padding: 0; }
.side-banner p { font-size: 13px; color: rgba(255,255,255,0.8); margin-bottom: 16px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    line-height: 1.4;
}
.btn-sm { padding: 8px 20px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.3); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--secondary); }
.btn-light:hover { background: #f1f5f9; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }

.related-section {
    padding: 70px 0;
    background: #fff;
    border-top: 1px solid var(--border);
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
}
.section-head h2::after {
    content: "";
    display: block;
    width: 48px;
    height: 4px;
    border-radius: 4px;
    background: var(--primary);
    margin-top: 8px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.related-card {
    display: block;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.related-card .thumb {
    width: 100%;
    height: 150px;
    overflow: hidden;
    background: var(--bg);
}
.related-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.related-card:hover .thumb img { transform: scale(1.06); }
.related-info { padding: 16px 18px; }
.related-info h4 {
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}
.related-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-weak);
}
.related-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--text-weak);
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}

.category-section { padding: 70px 0; background: var(--bg); }
.category-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.category-card {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 270px;
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    color: #fff;
    border: 1px solid var(--border);
}
.category-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17,24,39,0.9) 0%, rgba(17,24,39,0.25) 60%, rgba(17,24,39,0.08) 100%);
    transition: background 0.4s ease;
}
.category-card:hover::before {
    background: linear-gradient(to top, rgba(17,24,39,0.95) 0%, rgba(17,24,39,0.45) 70%);
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-content {
    position: relative;
    z-index: 1;
    padding: 30px;
}
.category-content .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}
.category-content h3 { font-size: 22px; margin-bottom: 8px; font-weight: 700; }
.category-content p { font-size: 14px; color: rgba(255,255,255,0.82); margin-bottom: 16px; max-width: 420px; line-height: 1.7; }

.faq-section { padding: 70px 0; background: #f1f5f9; }
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.faq-item {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 24px 26px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}
.faq-item:hover { box-shadow: var(--shadow); border-color: #cbd5e1; }
.faq-item h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    padding-left: 24px;
    position: relative;
    color: var(--text);
}
.faq-item h3::before {
    content: "Q";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 800;
    font-size: 14px;
}
.faq-item p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    padding-left: 24px;
}

.cta-section {
    padding: 80px 0;
    background-size: cover;
    background-position: center;
    position: relative;
    color: #fff;
    text-align: center;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17,24,39,0.88) 0%, rgba(17,24,39,0.72) 100%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.cta-section p {
    color: rgba(255,255,255,0.78);
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    font-size: 16px;
}
.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
    display: block;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 280px;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 600;
}
.footer-col a {
    display: block;
    padding: 5px 0;
    font-size: 14px;
    color: #94a3b8;
    transition: color 0.3s ease;
}
.footer-col a:hover { color: var(--primary); }
.footer-contact { list-style: none; }
.footer-contact li {
    padding: 5px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact i { width: 20px; color: var(--primary); font-size: 14px; text-align: center; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 0;
    font-size: 13px;
    color: #64748b;
    flex-wrap: wrap;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: var(--primary); }

@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
    }
    .side-box { flex: 1 1 220px; }
    .side-banner { flex: 1 1 100%; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .search-box { width: 240px; }
}

@media (max-width: 768px) {
    .container { padding: 0 18px; }
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
        gap: 12px;
    }
    .logo { font-size: 20px; }
    .main-nav {
        flex-basis: 100%;
        flex-direction: column;
        display: none;
        gap: 6px;
        order: 4;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius-sm);
        padding: 8px;
    }
    .main-nav.open { display: flex; }
    .main-nav a {
        display: block;
        padding: 10px 14px;
        border-radius: 8px;
        font-size: 15px;
    }
    .main-nav a.active { background: var(--primary); }
    .search-box {
        order: 3;
        flex-basis: 100%;
        width: 100%;
        min-width: 100%;
    }
    .nav-toggle { display: flex; }
    .page-banner { padding: 60px 0 50px; }
    .page-banner h1 { font-size: 30px; }
    .banner-meta { gap: 14px; font-size: 13px; }
    .article-card { padding: 28px 24px; }
    .category-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .cta-section h2 { font-size: 26px; }
    .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 520px) {
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-card { padding: 20px 16px; }
    .page-banner h1 { font-size: 24px; }
    .section-head { flex-direction: column; align-items: flex-start; }
    .section-head h2 { font-size: 24px; }
    .breadcrumb-bar .current { max-width: 180px; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
    .side-box { flex: 1 1 100%; }
}