/* roulang page: index */
:root {
  --primary:#0e1626; --primary-light:#1b2a44; --accent:#f59e0b; --accent-dark:#d97706;
  --accent-light:#fef3c7; --bg:#f5f7fb; --bg-alt:#eaeef5; --card:#ffffff;
  --text:#111827; --text-light:#4b5563; --text-mute:#9ca3af; --border:#e5e7eb;
  --radius:14px; --radius-sm:8px; --shadow:0 4px 16px rgba(0,0,0,.06); --shadow-lg:0 14px 40px rgba(0,0,0,.12);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button,input{font-family:inherit}
.grid-container{max-width:74rem;padding-left:1rem;padding-right:1rem;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.72rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;transition:var(--transition);cursor:pointer;border:2px solid transparent;line-height:1.2}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(245,158,11,.35)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(217,119,6,.4)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px)}
.site-header{background:var(--card);box-shadow:0 2px 12px rgba(14,22,38,.08);position:sticky;top:0;z-index:100}
.header-top{border-bottom:1px solid var(--border)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:1rem}
.brand-logo{display:flex;align-items:center;gap:.55rem;flex-shrink:0}
.brand-icon{width:42px;height:42px;background:linear-gradient(135deg,var(--accent),#f97316);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;box-shadow:0 4px 12px rgba(245,158,11,.4)}
.brand-name{font-size:1.2rem;font-weight:800;color:var(--primary);letter-spacing:.02em;white-space:nowrap}
.header-right{display:flex;align-items:center;gap:.9rem}
.header-search{display:flex;align-items:center;background:var(--bg);border-radius:30px;padding:4px 4px 4px 14px;border:1px solid var(--border)}
.header-search input{border:none;background:transparent;outline:none;width:200px;font-size:.85rem;color:var(--text)}
.header-search button{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.menu-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--primary);cursor:pointer;padding:.2rem .4rem}
.main-nav{background:var(--primary)}
.nav-inner{display:flex;align-items:center;gap:.4rem;min-height:50px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{color:rgba(255,255,255,.72);font-size:.9rem;padding:.5rem 1.15rem;border-radius:30px;font-weight:500;white-space:nowrap;transition:var(--transition)}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;background:var(--accent);font-weight:600;box-shadow:0 3px 12px rgba(245,158,11,.4)}
.hero-section{position:relative;background-size:cover;background-position:center;background-repeat:no-repeat;min-height:560px;display:flex;align-items:center;color:#fff}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(14,22,38,.96) 25%,rgba(14,22,38,.72) 60%,rgba(14,22,38,.35))}
.hero-container{position:relative;z-index:2;width:100%}
.hero-content{max-width:660px;padding:3.5rem 0}
.hero-badge{display:inline-flex;align-items:center;gap:.45rem;background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.45);color:#fcd34d;padding:.32rem .95rem;border-radius:30px;font-size:.82rem;margin-bottom:1.1rem;letter-spacing:.03em}
.hero-badge i{font-size:.75rem}
.hero-title{font-size:2.7rem;font-weight:900;line-height:1.22;margin-bottom:1rem;letter-spacing:.02em}
.hero-title span{color:var(--accent)}
.hero-desc{font-size:1.06rem;color:rgba(255,255,255,.85);margin-bottom:1.9rem;max-width:560px}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-meta{display:flex;gap:1.4rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-meta span{display:inline-flex;align-items:center;gap:.4rem;font-size:.84rem;color:rgba(255,255,255,.65)}
.hero-meta i{color:var(--accent)}
.live-bar{background:var(--primary);border-bottom:1px solid rgba(255,255,255,.07)}
.live-bar-inner{display:flex;align-items:center;gap:.9rem;padding:.7rem 0;flex-wrap:nowrap;overflow:hidden}
.live-dot{width:9px;height:9px;background:#22c55e;border-radius:50%;animation:pulse 1.4s infinite;flex-shrink:0}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.live-status{display:flex;align-items:center;gap:.4rem;color:#fff;font-weight:600;font-size:.85rem;flex-shrink:0}
.live-status .live-text{color:var(--accent)}
.live-msg{color:rgba(255,255,255,.68);font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.section{padding:5rem 0}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center;margin-bottom:2.8rem}
.section-title .sub-title{display:inline-block;background:var(--accent-light);color:var(--accent-dark);padding:.22rem .85rem;border-radius:20px;font-size:.78rem;font-weight:600;margin-bottom:.7rem}
.section-title h2{font-size:1.9rem;font-weight:800;color:var(--text);margin-bottom:.5rem}
.section-title p{color:var(--text-light);max-width:600px;margin:0 auto;font-size:.95rem}
.service-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);height:100%;border:1px solid var(--border);display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-img{height:180px;overflow:position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .card-img img{transform:scale(1.05)}
.card-img .img-tag{position:absolute;top:12px;left:12px;background:rgba(14,22,38,.78);color:#fff;font-size:.75rem;padding:.2rem .65rem;border-radius:20px;backdrop-filter:blur(4px)}
.card-body{padding:1.5rem;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.08rem;font-weight:700;margin-bottom:.5rem}
.card-body p{color:var(--text-light);font-size:.9rem;margin-bottom:.9rem;flex:1}
.card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:.8rem;margin-top:auto}
.card-footer .tag{background:var(--accent-light);color:var(--accent-dark);padding:.15rem .6rem;border-radius:20px;font-size:.75rem;font-weight:600}
.card-footer .more{font-size:.82rem;color:var(--text-mute);font-weight:600}
.card-footer .more i{font-size:.7rem;margin-left:.2rem}
.service-card:hover .card-footer .more{color:var(--accent)}
.stats-section{background:var(--primary);color:#fff;position:relative;overflow:hidden;padding:4.2rem 0}
.stats-section::before{content:'';position:absolute;right:-80px;top:-80px;width:280px;height:280px;background:rgba(245,158,11,.08);border-radius:50%}
.stats-section::after{content:'';position:absolute;left:-60px;bottom:-100px;width:220px;height:220px;background:rgba(37,99,235,.12);border-radius:50%}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;position:relative;z-index:1}
.stat-item{text-align:center;padding:1rem}
.stat-number{font-size:2.4rem;font-weight:900;color:var(--accent);line-height:1.2;font-family:'Inter','Noto Sans SC',sans-serif}
.stat-label{color:rgba(255,255,255,.68);font-size:.9rem;margin-top:.25rem}
.category-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:270px;display:flex;align-items:flex-end;box-shadow:var(--shadow);transition:var(--transition)}
.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.cat-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s ease}
.category-card:hover .cat-bg{transform:scale(1.06)}
.cat-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(14,22,38,.9) 20%,rgba(14,22,38,.12) 70%)}
.cat-content{position:relative;z-index:1;padding:1.8rem;color:#fff;width:100%}
.cat-content .cat-icon{width:42px;height:42px;background:rgba(245,158,11,.2);border:1px solid rgba(245,158,11,.4);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1rem;margin-bottom:.8rem}
.cat-content h3{font-size:1.35rem;font-weight:800}
.cat-content p{color:rgba(255,255,255,.78);font-size:.88rem;margin-top:.2rem}
.cat-content .cat-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;color:var(--accent);font-weight:600;font-size:.88rem}
.cat-content .cat-link:hover{gap:.6rem}
.news-section{background:var(--bg-alt)}
.news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem}
.news-list{display:grid;gap:1rem}
.news-item{background:var(--card);border-radius:var(--radius-sm);padding:1.25rem 1.5rem;border:1px solid var(--border);transition:var(--transition);display:flex;flex-direction:column;gap:.35rem}
.news-item:hover{box-shadow:var(--shadow);border-color:var(--accent)}
.news-item h3{font-size:1rem;font-weight:600;line-height:1.5}
.news-item h3 a:hover{color:var(--accent)}
.news-item p{font-size:.86rem;color:var(--text-light)}
.news-meta{display:flex;align-items:center;gap:1rem;font-size:.8rem;color:var(--text-mute)}
.news-meta .tag{background:var(--accent-light);color:var(--accent-dark);padding:.12rem .55rem;border-radius:20px;font-weight:600}
.empty-tip{background:var(--card);border:1px dashed var(--border);border-radius:var(--radius-sm);padding:2.4rem;text-align:center;color:var(--text-mute)}
.empty-tip i{font-size:1.8rem;margin-bottom:.5rem;color:var(--border)}
.news-side .side-card{background:var(--card);border-radius:var(--radius-sm);border:1px solid var(--border);padding:1.3rem;margin-bottom:1.2rem}
.side-card h4{font-size:.95rem;font-weight:700;margin-bottom:.7rem;display:flex;align-items:center;gap:.4rem}
.side-card h4 i{color:var(--accent)}
.side-card .side-tag{display:flex;flex-wrap:wrap;gap:.4rem}
.side-card .side-tag span{background:var(--bg);border:1px solid var(--border);padding:.2rem .7rem;border-radius:20px;font-size:.78rem;color:var(--text-light)}
.side-card ul{list-style:none}
.side-card ul li{padding:.35rem 0;font-size:.85rem;color:var(--text-light);border-bottom:1px dashed var(--border)}
.side-card ul li:last-child{border-bottom:none}
.trend-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.trend-item{display:flex;gap:1rem;background:var(--card);padding:1rem 1.2rem;border-radius:var(--radius-sm);border:1px solid var(--border);align-items:center;transition:var(--transition)}
.trend-item:hover{box-shadow:var(--shadow);transform:translateX(5px);border-color:var(--accent)}
.trend-index{font-size:1.6rem;font-weight:900;color:var(--accent);width:44px;text-align:center;font-family:'Inter',sans-serif;flex-shrink:0}
.trend-info h4{font-size:.94rem;font-weight:600;line-height:1.4}
.trend-info p{font-size:.8rem;color:var(--text-mute);margin-top:.15rem}
.trend-info .tag{background:var(--accent-light);color:var(--accent-dark);padding:.1rem .5rem;border-radius:20px;font-size:.72rem;font-weight:600;display:inline-block;margin-top:.2rem}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.step-item{text-align:center;padding:2rem 1.2rem;background:var(--card);border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition)} 
.step-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.step-num{width:54px;height:54px;margin:0 auto 1.1rem;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;box-shadow:0 6px 16px rgba(14,22,38,.25);position:relative}
.step-num::after{content:'';position:absolute;inset:-5px;border-radius:50%;border:2px dashed rgba(245,158,11,.4);animation:rotate 12s linear infinite}
@keyframes rotate{to{transform:rotate(360deg)}}
.step-item h3{font-size:1rem;font-weight:700;margin-bottom:.4rem}
.step-item p{font-size:.85rem;color:var(--text-light)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:.8rem;overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:var(--accent);box-shadow:var(--shadow)}
.faq-q{padding:1.05rem 1.3rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition);font-size:.95rem}
.faq-q:hover{background:var(--bg-alt)}
.faq-q .fa-chevron-down{transition:transform .3s ease;color:var(--text-mute);font-size:.85rem}
.faq-item.open .faq-q .fa-chevron-down{transform:rotate(180deg);color:var(--accent)}
.faq-a{padding:0 1.3rem;max-height:0;overflow:hidden;transition:max-height .35s ease, padding .3s ease;color:var(--text-light);font-size:.9rem}
.faq-item.open .faq-a{max-height:240px;padding-bottom:1.1rem}
.cta-section{background-size:cover;background-position:center;position:relative;padding:4.5rem 0}
.cta-overlay{position:absolute;inset:0;background:rgba(14,22,38,.88)}
.cta-inner{position:relative;z-index:1;text-align:center;color:#fff;max-width:700px;margin:0 auto}
.cta-inner h2{font-size:2rem;font-weight:800;margin-bottom:.7rem}
.cta-inner p{color:rgba(255,255,255,.82);margin-bottom:1.6rem;font-size:.98rem}
.cta-inner .btn{margin:0 .3rem}
.site-footer{background:#0b1220;color:rgba(255,255,255,.68);padding:3.2rem 0 1.4rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .footer-logo{display:flex;align-items:center;gap:.55rem;color:#fff;font-size:1.2rem;font-weight:800}
.footer-brand .footer-logo i{color:var(--accent)}
.footer-brand p{font-size:.85rem;margin-top:.9rem;max-width:280px}
.footer-links h4{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:.9rem}
.footer-links a{display:block;color:rgba(255,255,255,.58);padding:.22rem 0;font-size:.88rem}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{padding-top:1.4rem;text-align:center;font-size:.8rem;color:rgba(255,255,255,.35)}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--accent)}
@media(max-width:1024px){
  .hero-title{font-size:2.2rem}
  .stats-grid{gap:1rem}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .trend-list{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-search{display:none}
  .menu-toggle{display:block}
  .header-top-inner{height:60px}
  .brand-name{font-size:1.05rem}
  .brand-icon{width:36px;height:36px;font-size:.95rem}
  .main-nav{overflow-x:auto}
  .nav-inner{min-height:46px;flex-wrap:nowrap}
  .nav-link{font-size:.85rem;padding:.42rem .95rem}
  .hero-section{min-height:480px}
  .hero-title{font-size:1.8rem}
  .hero-desc{font-size:.95rem}
  .hero-container{padding-top:2rem;padding-bottom:2rem}
  .section{padding:3.5rem 0}
  .section-title h2{font-size:1.5rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:1.5rem}
  .cta-inner h2{font-size:1.5rem}
}
@media(max-width:520px){
  .brand-name{font-size:.92rem}
  .brand-icon{width:32px;height:32px;font-size:.85rem}
  .header-right .btn{display:none}
  .hero-title{font-size:1.5rem}
  .hero-actions .btn{width:100%}
  .stats-grid{gap:.8rem}
  .stat-number{font-size:1.8rem}
  .steps-grid{grid-template-columns:1fr}
  .section-title h2{font-size:1.35rem}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
  :root {
    --primary: #0b1f3a;
    --primary-light: #132f52;
    --primary-dark: #071427;
    --accent: #f5a623;
    --accent-dark: #d98e14;
    --accent-light: #fff3df;
    --bg-light: #f5f7fb;
    --bg-white: #ffffff;
    --text-main: #1c2b3a;
    --text-body: #45566b;
    --text-muted: #7a8899;
    --border-color: #e6ebf2;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 10px rgba(11, 31, 58, 0.06);
    --shadow-md: 0 8px 30px rgba(11, 31, 58, 0.1);
    --shadow-lg: 0 20px 50px rgba(11, 31, 58, 0.14);
    --space-section: 80px;
    --transition: all 0.3s ease;
  }

  /* ========== 基础 Reset ========== */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
  }
  a:hover {
    color: var(--accent);
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  button,
  input,
  select,
  textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
  }
  ul,
  ol {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.35;
  }
  p {
    margin: 0;
  }

  /* ========== 容器 ========== */
  .grid-container {
    max-width: 1200px;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* ========== 通用按钮 ========== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--accent);
    color: #1a1a1a;
    border-color: var(--accent);
  }
  .btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
  }
  .btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
  }
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
  }
  .btn-dark {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }
  .btn-dark:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(11, 31, 58, 0.25);
  }
  .btn-sm {
    padding: 9px 18px;
    font-size: 14px;
  }
  .btn-lg {
    padding: 14px 34px;
    font-size: 16px;
  }
  .btn:focus {
    outline: 3px solid rgba(245, 166, 35, 0.4);
    outline-offset: 2px;
  }

  /* ========== 徽章 / 标签 ========== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245, 166, 35, 0.15);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 30px;
    border: 1px solid rgba(245, 166, 35, 0.3);
  }
  .badge-light {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
  }
  .tag {
    display: inline-block;
    padding: 3px 12px;
    background: var(--bg-light);
    color: var(--text-body);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
  }
  .tag-accent {
    background: var(--accent-light);
    color: var(--accent-dark);
  }

  /* ========== 实时状态条 ========== */
  .live-status {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    padding: 9px 0;
    color: #cbd5e1;
    font-size: 13px;
    letter-spacing: 0.3px;
  }
  .live-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
  }
  .live-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse-dot 1.6s infinite;
  }
  @keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
    50% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
  }
  .live-item {
    display: inline-flex;
    align-items: center;
  }
  .live-divider {
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.2);
  }
  .live-strong {
    color: #fbbf24;
    font-weight: 600;
  }

  /* ========== Header ========== */
  .site-header {
    background: var(--bg-white);
    box-shadow: 0 2px 20px rgba(11, 31, 58, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .header-top {
    background: var(--primary);
    padding: 12px 0;
  }
  .header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    line-height: 1;
  }
  .brand-logo i {
    color: var(--accent);
    font-size: 26px;
  }
  .brand-logo:hover {
    color: #fff;
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .header-search {
    position: relative;
  }
  .header-search input {
    width: 260px;
    padding: 8px 16px 8px 38px;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 14px;
    transition: var(--transition);
  }
  .header-search input::placeholder {
    color: rgba(255, 255, 255, 0.6);
  }
  .header-search input:focus {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--accent);
  }
  .header-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
  }
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #1a1a1a;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: 40px;
    transition: var(--transition);
  }
  .header-cta:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
  }

  /* ========== 导航 ========== */
  .main-nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    padding-top: 8px;
    padding-bottom: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .nav-inner::-webkit-scrollbar {
    display: none;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-body);
    white-space: nowrap;
    transition: var(--transition);
    border: 1px solid transparent;
  }
  .nav-link i {
    font-size: 14px;
    opacity: 0.7;
  }
  .nav-link:hover {
    color: var(--primary);
    background: var(--bg-light);
  }
  .nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(11, 31, 58, 0.2);
  }
  .nav-link.active i {
    opacity: 1;
    color: var(--accent);
  }
  .nav-link:focus-visible {
    outline: 3px solid rgba(245, 166, 35, 0.5);
    outline-offset: 2px;
  }

  /* ========== 页面 Banner ========== */
  .page-banner {
    position: relative;
    background: linear-gradient(135deg, rgba(11, 31, 58, 0.92), rgba(19, 47, 82, 0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 90px 0 110px;
    text-align: center;
    isolation: isolate;
  }
  .page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 85% 20%, rgba(245, 166, 35, 0.2) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
  }
  .banner-content {
    max-width: 780px;
    margin: 0 auto;
    color: #fff;
  }
  .banner-content .badge {
    margin-bottom: 18px;
  }
  .banner-content h1 {
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .banner-content p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 30px;
    line-height: 1.8;
  }
  .banner-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }
  .banner-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 46px;
    flex-wrap: wrap;
  }
  .banner-stat {
    text-align: center;
  }
  .banner-stat .num {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    display: block;
  }
  .banner-stat .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
  }

  /* ========== 板块通用 ========== */
  .section {
    padding: var(--space-section) 0;
  }
  .section-alt {
    background: var(--bg-light);
  }
  .section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 46px;
  }
  .section-header h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
  }
  .section-header p {
    font-size: 16px;
    color: var(--text-muted);
  }
  .section-header .badge {
    margin-bottom: 14px;
  }

  /* ========== 快速指南卡片 ========== */
  .guide-cards {
    margin: -50px 0 0;
    position: relative;
    z-index: 2;
  }
  .guide-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  .guide-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }
  .guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
  }
  .guide-card:hover::after {
    transform: scaleX(1);
  }
  .guide-icon {
    width: 68px;
    height: 68px;
    border-radius: 18px;
    background: var(--accent-light);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin: 0 auto 18px;
    transition: var(--transition);
  }
  .guide-card:hover .guide-icon {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
  }
  .guide-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }
  .guide-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
  }
  .guide-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }
  .guide-link i {
    transition: transform 0.3s;
  }
  .guide-link:hover i {
    transform: translateX(4px);
  }

  /* ========== 使用流程 ========== */
  .steps-section {
    padding: 60px 0 90px;
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .step-item {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    padding: 34px 24px 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
  }
  .step-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }
  .step-num {
    width: 46px;
    height: 46px;
    background: var(--primary);
    color: #fff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    margin: 0 auto 18px;
    position: relative;
    z-index: 1;
  }
  .step-item:nth-child(2) .step-num {
    background: var(--accent);
    color: #1a1a1a;
  }
  .step-item h3 {
    font-size: 17px;
    margin-bottom: 8px;
  }
  .step-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }
  .step-arrow {
    position: absolute;
    top: 50%;
    right: -22px;
    color: var(--border-color);
    font-size: 18px;
    z-index: 2;
    transform: translateY(-50%);
  }

  /* ========== 图文功能区块 ========== */
  .feature-block {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
  }
  .feature-block:hover {
    box-shadow: var(--shadow-md);
  }
  .feature-media img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .feature-block:hover .feature-media img {
    transform: scale(1.03);
  }
  .feature-body {
    padding: 28px;
  }
  .feature-body .tag {
    margin-bottom: 12px;
  }
  .feature-body h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .feature-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
  }
  .feature-list {
    margin-top: 4px;
  }
  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-body);
    padding: 6px 0;
  }
  .feature-list li i {
    color: var(--accent);
    margin-top: 4px;
    font-size: 14px;
  }

  /* ========== 指南文章列表 ========== */
  .guide-articles {
    padding: 70px 0;
  }
  .article-list {
    max-width: 880px;
    margin: 0 auto;
  }
  .article-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 24px;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 14px;
    transition: var(--transition);
  }
  .article-row:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(6px);
  }
  .article-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
  }
  .article-info {
    flex: 1;
    min-width: 0;
  }
  .article-info h3 {
    font-size: 16px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .article-info p {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .article-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-muted);
  }
  .article-meta i {
    margin-right: 4px;
    font-size: 12px;
  }

  /* ========== FAQ ========== */
  .faq-section {
    padding: 80px 0;
    background: var(--bg-light);
  }
  .faq-wrap {
    max-width: 820px;
    margin: 0 auto;
  }
  .accordion-item {
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
  }
  .accordion-item:hover {
    border-color: var(--accent);
  }
  .accordion-title {
    background: #fff;
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border: none;
  }
  .accordion-title:hover,
  .accordion-title:focus {
    background: #fff;
    color: var(--primary);
  }
  .accordion-title i {
    color: var(--accent);
    font-size: 14px;
    transition: transform 0.3s;
    flex-shrink: 0;
  }
  .accordion-item.is-active .accordion-title i {
    transform: rotate(180deg);
  }
  .accordion-content {
    padding: 0 22px 20px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
  }

  /* ========== CTA + 倒计时 ========== */
  .cta-section {
    background: linear-gradient(120deg, var(--primary), var(--primary-light));
    padding: 70px 0;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(245, 166, 35, 0.12);
  }
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
  }
  .cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
  }
  .cta-inner h2 {
    color: #fff;
    font-size: 32px;
    margin-bottom: 14px;
  }
  .cta-inner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    max-width: 560px;
    margin: 0 auto 24px;
  }
  .countdown-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 28px 0 34px;
    flex-wrap: wrap;
  }
  .countdown-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    margin-right: 6px;
  }
  .countdown-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 12px 16px;
    min-width: 76px;
    text-align: center;
    backdrop-filter: blur(4px);
  }
  .countdown-item .num {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    display: block;
    line-height: 1.1;
  }
  .countdown-item .unit {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
    display: block;
  }
  .cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
  }

  /* ========== 页脚 ========== */
  .site-footer {
    background: #0a1424;
    color: #94a3b8;
    padding: 60px 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .footer-brand .footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-brand .footer-logo i {
    color: var(--accent);
  }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #7c8aa0;
    max-width: 340px;
  }
  .footer-links h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
  }
  .footer-links h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
  }
  .footer-links a {
    display: block;
    color: #7c8aa0;
    font-size: 14px;
    padding: 5px 0;
    transition: var(--transition);
  }
  .footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    color: #5d6b7e;
  }

  /* ========== 响应式 ========== */
  @media (max-width: 1024px) {
    :root {
      --space-section: 60px;
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .step-arrow {
      display: none;
    }
    .banner-content h1 {
      font-size: 36px;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    body {
      font-size: 15px;
    }
    .header-top-inner {
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      padding: 10px 0;
    }
    .header-search input {
      width: 200px;
    }
    .brand-logo {
      font-size: 19px;
    }
    .brand-logo i {
      font-size: 22px;
    }
    .page-banner {
      padding: 70px 0 90px;
    }
    .banner-content h1 {
      font-size: 30px;
    }
    .banner-content p {
      font-size: 16px;
    }
    .banner-stats {
      gap: 24px;
      margin-top: 34px;
    }
    .section-header h2 {
      font-size: 26px;
    }
    .guide-cards {
      margin-top: -40px;
    }
    .article-row {
      flex-wrap: wrap;
      padding: 18px;
    }
    .article-meta {
      width: 100%;
      justify-content: flex-start;
      gap: 16px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }
    .cta-inner h2 {
      font-size: 26px;
    }
    .countdown-item {
      min-width: 64px;
      padding: 10px 12px;
    }
    .countdown-item .num {
      font-size: 22px;
    }
  }

  @media (max-width: 520px) {
    :root {
      --space-section: 48px;
    }
    .grid-container {
      padding-left: 16px;
      padding-right: 16px;
    }
    .header-top-inner {
      flex-direction: column;
      align-items: stretch;
    }
    .header-actions {
      justify-content: center;
      flex-wrap: wrap;
    }
    .header-search {
      flex: 1;
    }
    .header-search input {
      width: 100%;
    }
    .nav-link {
      padding: 8px 14px;
      font-size: 14px;
    }
    .steps-grid {
      grid-template-columns: 1fr;
    }
    .banner-content h1 {
      font-size: 26px;
    }
    .banner-actions .btn {
      width: 100%;
    }
    .banner-stats {
      gap: 18px;
    }
    .banner-stat .num {
      font-size: 22px;
    }
    .guide-card {
      padding: 24px 18px;
    }
    .feature-body {
      padding: 20px;
    }
    .article-info h3 {
      white-space: normal;
    }
    .article-info p {
      white-space: normal;
    }
    .countdown-wrap {
      gap: 8px;
    }
    .countdown-item {
      min-width: 58px;
      padding: 8px 10px;
    }
    .countdown-item .num {
      font-size: 20px;
    }
    .cta-actions .btn {
      width: 100%;
    }
    .footer-bottom {
      font-size: 12px;
    }
  }

  /* ========== 动画 ========== */
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }
  .float-anim {
    animation: float 3s ease-in-out infinite;
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade-up {
    animation: fadeUp 0.7s ease both;
  }

/* roulang page: article */
:root {
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --accent: #f97316;
    --accent-light: #fff3eb;
    --dark: #0f172a;
    --text: #1e293b;
    --muted: #64748b;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(15, 23, 42, .07);
    --shadow-lg: 0 12px 36px rgba(15, 23, 42, .12);
    --transition: all .3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(29, 78, 216, .35);
    outline-offset: 2px;
    border-radius: 4px;
}

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

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

.grid-container {
    max-width: 1200px;
    padding-left: 20px;
    padding-right: 20px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
}
.btn-sm {
    padding: 8px 18px;
    font-size: .875rem;
}
.btn-lg {
    padding: 16px 40px;
    font-size: 1.05rem;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(29, 78, 216, .28);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(29, 78, 216, .35);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
}
.btn-accent:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249, 115, 22, .4);
}
.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(255, 255, 255, .2);
}
.btn-light:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-outline {
    border-color: var(--border);
    color: var(--text);
    background: #fff;
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* Header */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 100;
    box-shadow: 0 1px 6px rgba(15, 23, 42, .04);
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
}
.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -.5px;
    flex-shrink: 0;
}
.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.05rem;
    box-shadow: 0 4px 12px rgba(29, 78, 216, .3);
}
.brand-text {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.header-tools {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 6px 4px 18px;
    transition: var(--transition);
    min-width: 220px;
}
.search-form:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(29, 78, 216, .1);
}
.search-form input {
    border: none;
    background: transparent;
    padding: 8px 10px;
    font-size: .9rem;
    color: var(--text);
    flex: 1;
    min-width: 0;
}
.search-form input:focus {
    outline: none;
}
.search-form button {
    border: none;
    background: var(--primary);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    font-size: .9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.search-form button:hover {
    background: var(--primary-dark);
}

/* 主导航 */
.main-nav {
    background: #fff;
    border-top: 1px solid var(--border);
}
.nav-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-top: 8px;
    padding-bottom: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.nav-inner::-webkit-scrollbar {
    height: 4px;
}
.nav-inner::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    transition: var(--transition);
    border: 1px solid transparent;
}
.nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(29, 78, 216, .28);
}

/* Hero */
.article-hero {
    position: relative;
    padding: 72px 0 60px;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 20, 48, .92), rgba(29, 78, 216, .72));
}
.hero-content {
    position: relative;
    z-index: 1;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    opacity: .85;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
}
.breadcrumb .current {
    color: #fff;
    opacity: .95;
    font-weight: 600;
}
.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, .18);
    border: 1px solid rgba(255, 255, 255, .3);
    color: #fff;
    padding: 5px 16px;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 16px;
    backdrop-filter: blur(6px);
}
.article-hero h1 {
    font-size: clamp(1.7rem, 3.4vw, 2.65rem);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 18px;
    max-width: 860px;
    letter-spacing: -.5px;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: .9rem;
    opacity: .9;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta i {
    opacity: .8;
}

/* 主体区域 */
.article-main {
    padding: 48px 0 56px;
}
.article-content-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px 44px;
    border: 1px solid var(--border);
}
.article-body {
    color: var(--text);
    font-size: 1.02rem;
    line-height: 1.95;
}
.article-body p {
    margin-bottom: 22px;
}
.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 18px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}
.article-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin: 16px 0 12px;
}
.article-body ul,
.article-body ol {
    margin: 0 0 22px 1.4em;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 0 0 22px;
    color: #7c2d12;
}
.article-body img {
    border-radius: var(--radius-sm);
    margin: 0 0 22px;
    box-shadow: var(--shadow);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 22px;
    font-size: .95rem;
}
.article-body th,
.article-body td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.article-body th {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

/* 文章标签 */
.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-tags span {
    color: var(--muted);
    font-size: .9rem;
}
.article-tags a {
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 5px 16px;
    border-radius: 999px;
    font-size: .85rem;
    font-weight: 500;
    transition: var(--transition);
}
.article-tags a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 内容未找到 */
.not-found-box {
    text-align: center;
    padding: 60px 20px;
}
.not-found-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 24px;
}
.not-found-box h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.not-found-box p {
    color: var(--muted);
    margin-bottom: 28px;
}

/* 文章底部导航 */
.article-nav-links {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.article-nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 12px 22px;
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.article-nav-links a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.sidebar-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 24px 26px;
}
.sidebar-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--bg);
}
.sidebar-card h3 i {
    color: var(--primary);
}
.info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.info-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: .92rem;
    padding: 10px 14px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}
.info-list li span:first-child {
    color: var(--muted);
}
.info-list li a {
    color: var(--primary);
    font-weight: 600;
}
.info-list li a:hover {
    text-decoration: underline;
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-cloud a {
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 15px;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
}
.tag-cloud a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.recommend-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.recommend-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: var(--transition);
}
.recommend-item:hover {
    background: var(--bg);
    border-color: var(--border);
}
.recommend-item img {
    width: 74px;
    height: 58px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.recommend-info h4 {
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.recommend-info span {
    font-size: .78rem;
    color: var(--primary);
    font-weight: 500;
}

/* 板块标题 */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.section-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -.5px;
}
.header-line {
    display: inline-block;
    width: 6px;
    height: 28px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
}
.section-header p {
    color: var(--muted);
    width: 100%;
    margin-top: 6px;
}
.section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}
.section-more:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* 相关推荐 */
.related-section {
    padding: 56px 0;
    background: var(--bg);
}
.related-card {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow);
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(29, 78, 216, .3);
}
.card-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}
.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .card-cover img {
    transform: scale(1.04);
}
.card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 23, 42, .75);
    color: #fff;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    backdrop-filter: blur(6px);
}
.card-body {
    padding: 22px 22px 24px;
}
.card-body h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.5;
}
.card-body p {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
    margin-bottom: 16px;
}
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}
.related-card:hover .card-link {
    gap: 10px;
}

/* 分类区域 */
.category-section {
    padding: 56px 0;
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-header.centered {
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.section-header.centered p {
    max-width: 560px;
}
.category-card {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow);
}
.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.category-card-img {
    flex: 0 0 42%;
    overflow: hidden;
    min-height: 220px;
}
.category-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.category-card:hover .category-card-img img {
    transform: scale(1.04);
}
.category-card-info {
    padding: 26px 24px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}
.category-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 14px;
}
.cat-guide .category-icon {
    background: var(--accent-light);
    color: var(--accent);
}
.category-card-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.category-card-info p {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
    margin-bottom: 14px;
}
.category-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--primary);
}
.category-card:hover .category-link {
    gap: 10px;
}

/* CTA */
.cta-section {
    padding: 72px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 60%, #4f46e5 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .04);
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .03);
}
.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-content {
    flex: 1;
    min-width: 260px;
}
.cta-content h2 {
    color: #fff;
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -.5px;
}
.cta-content p {
    color: rgba(255, 255, 255, .85);
    font-size: 1rem;
}
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* 页脚 */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 56px 0 0;
    font-size: .92rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer-brand .footer-logo i {
    color: var(--accent);
}
.footer-brand p {
    line-height: 1.8;
    color: #64748b;
    max-width: 320px;
}
.footer-links h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-links a {
    display: block;
    color: #94a3b8;
    padding: 6px 0;
    transition: var(--transition);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    text-align: center;
    color: #64748b;
    font-size: .85rem;
}

/* 响应式 */
@media (max-width: 1024px) {
    .article-hero {
        padding: 56px 0 48px;
    }
    .article-content-card {
        padding: 32px 30px;
    }
    .category-card {
        flex-direction: column;
    }
    .category-card-img {
        min-height: 150px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 14px;
        padding-bottom: 10px;
    }
    .search-form {
        width: 100%;
        min-width: 0;
    }
    .header-tools {
        width: 100%;
        justify-content: space-between;
    }
    .main-nav {
        overflow-x: auto;
    }
    .nav-inner {
        flex-wrap: nowrap;
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .nav-link {
        flex-shrink: 0;
        padding: 8px 16px;
        font-size: .9rem;
    }
    .article-hero h1 {
        font-size: 1.5rem;
    }
    .article-main {
        padding: 36px 0 40px;
    }
    .article-content-card {
        padding: 24px 18px;
        border-radius: 14px;
    }
    .article-body {
        font-size: .98rem;
    }
    .related-section {
        padding: 44px 0;
    }
    .section-header h2 {
        font-size: 1.35rem;
    }
    .cta-section {
        padding: 56px 0;
    }
    .cta-content h2 {
        font-size: 1.5rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 520px) {
    .article-hero {
        padding: 42px 0 36px;
    }
    .breadcrumb {
        font-size: .78rem;
    }
    .article-meta {
        gap: 12px;
        font-size: .82rem;
    }
    .article-content-card {
        padding: 20px 14px;
    }
    .article-nav-links {
        flex-direction: column;
    }
    .article-nav-links a {
        width: 100%;
        justify-content: center;
    }
    .sidebar-card {
        padding: 18px 16px 20px;
    }
    .related-card .card-body {
        padding: 18px 16px 20px;
    }
    .category-card-info {
        padding: 20px 18px;
    }
    .category-card-img {
        min-height: 130px;
    }
    .cta-inner {
        flex-direction: column;
        text-align: center;
    }
    .cta-content h2 {
        font-size: 1.35rem;
    }
    .btn-lg {
        padding: 14px 32px;
    }
    .site-brand {
        font-size: 1.15rem;
    }
    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: .9rem;
    }
}

/* roulang page: category2 */
:root {
            --primary: #e11d2e;
            --primary-dark: #b01020;
            --primary-light: #ff6b5e;
            --accent: #ffb800;
            --dark: #0f1222;
            --dark-soft: #1a1f35;
            --bg: #f4f6fb;
            --card-bg: #ffffff;
            --text: #1e2340;
            --text-weak: #6b7280;
            --border: #e8ecf3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(15, 18, 34, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 18, 34, 0.1);
            --shadow-lg: 0 16px 48px rgba(15, 18, 34, 0.16);
            --space-section: 90px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* ========== 顶部导航 ========== */
        .site-header {
            background: var(--dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 24px rgba(15, 18, 34, 0.35);
            border-bottom: 3px solid var(--primary);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(225, 29, 46, 0.4);
        }

        .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

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

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

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 30px;
            padding: 6px 6px 6px 16px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.16);
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            width: 160px;
            font-size: 14px;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .header-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--accent);
            color: var(--dark);
        }

        .header-btn {
            background: var(--accent);
            color: var(--dark);
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(255, 184, 0, 0.35);
            white-space: nowrap;
        }

        .header-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 184, 0, 0.45);
        }

        .main-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(15, 18, 34, 0.92);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            padding: 0 24px;
            scrollbar-width: none;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            padding: 14px 20px;
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 14px;
            opacity: 0.7;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            font-weight: 700;
            background: rgba(255, 184, 0, 0.08);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px;
        }

        /* ========== 横幅区域 ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--dark) 0%, #252c50 60%, #3a2050 100%);
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.15;
            filter: blur(50px);
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 184, 0, 0.2);
            border: 1px solid rgba(255, 184, 0, 0.4);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .page-banner h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .page-banner h1 span {
            color: var(--accent);
        }

        .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(225, 29, 46, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(225, 29, 46, 0.45);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--dark);
            box-shadow: 0 6px 20px rgba(255, 184, 0, 0.35);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 184, 0, 0.45);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 16px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-white {
            background: #fff;
        }

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

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

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 50px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(225, 29, 46, 0.1);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-dark .section-tag {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent);
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 14px;
        }

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

        .section-dark .section-title span {
            color: var(--accent);
        }

        .section-desc {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 快速入口卡片 ========== */
        .quick-cards {
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }

        .quick-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
        }

        .quick-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .quick-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 16px;
            box-shadow: 0 6px 18px rgba(225, 29, 46, 0.25);
        }

        .quick-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .quick-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .quick-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-top: 12px;
        }

        .quick-link i {
            transition: transform 0.2s;
        }

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

        /* ========== 使用步骤 ========== */
        .steps-wrap {
            position: relative;
        }

        .step-item {
            position: relative;
            padding: 30px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
            overflow: hidden;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--dark);
            color: #fff;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 18px;
            position: relative;
        }

        .step-item:nth-child(1) .step-num {
            background: var(--primary);
        }
        .step-item:nth-child(2) .step-num {
            background: var(--accent);
            color: var(--dark);
        }
        .step-item:nth-child(3) .step-num {
            background: #16a34a;
        }
        .step-item:nth-child(4) .step-num {
            background: #2563eb;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* ========== 功能详解 ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 60px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-img {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .feature-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .feature-img:hover img {
            transform: scale(1.05);
        }

        .feature-content {
            flex: 1;
        }

        .feature-content .tag-chip {
            display: inline-block;
            background: rgba(225, 29, 46, 0.1);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .feature-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.4;
        }

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

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 15px;
        }

        .feature-list li i {
            color: #16a34a;
            margin-top: 5px;
            font-size: 14px;
        }

        /* ========== 资源列表 ========== */
        .resource-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .resource-thumb {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .resource-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .resource-card:hover .resource-thumb img {
            transform: scale(1.06);
        }

        .resource-thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }

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

        .resource-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .resource-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
        }

        .resource-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .resource-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ========== 数据块 ========== */
        .data-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a1f35 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .data-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .data-item {
            text-align: center;
            padding: 30px 20px;
            position: relative;
            z-index: 2;
        }

        .data-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform 0.3s;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer p {
            padding-bottom: 20px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -30px;
            width: 220px;
            height: 220px;
            background: rgba(255, 184, 0, 0.2);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            margin-bottom: 30px;
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            padding: 60px 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

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

        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links a {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .header-search input {
                width: 110px;
            }
            .feature-row,
            .feature-row.reverse {
                flex-direction: column;
                gap: 30px;
            }
            .feature-img img {
                height: 260px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
            }
            .header-cta .btn-header-custom {
                display: none;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-top {
                padding: 12px 0;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .nav-link {
                padding: 12px 14px;
                font-size: 14px;
            }
            .page-banner {
                padding: 60px 0;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .data-num {
                font-size: 34px;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .banner-desc {
                font-size: 14px;
            }
            .btn-lg {
                padding: 12px 28px;
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .quick-card {
                padding: 20px 16px;
            }
            .step-item {
                padding: 20px;
            }
            .feature-content h3 {
                font-size: 21px;
            }
            .resource-body {
                padding: 18px;
            }
            .footer-links a {
                font-size: 15px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
        }

        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-up {
            animation: fadeUp 0.6s ease both;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }