/* roulang page: index */
:root{
    --brand:#FF6B35;
    --brand-deep:#E24E1B;
    --brand-soft:rgba(255,107,53,.10);
    --accent:#10B8A0;
    --highlight:#FFB020;
    --ink:#16181D;
    --text:#3B4049;
    --muted:#6E7480;
    --line:#EFE9E3;
    --bg:#FFF8F3;
    --white:#FFFFFF;
    --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
    --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
    --shadow-sm:0 2px 8px rgba(22,24,29,.05);
    --shadow-card:0 10px 28px rgba(22,24,29,.08);
    --shadow-hover:0 18px 40px rgba(255,107,53,.18);
    --r-lg:24px;
    --r-md:18px;
    --r-img:20px;
    --r-input:14px;
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:17px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  .container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  /* ============ header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,248,243,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease,height .22s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-sm);}
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;height:68px;
  }
  .site-header.is-scrolled .header-inner{height:60px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);
    display:flex;align-items:center;justify-content:center;color:#fff;
    box-shadow:0 8px 18px rgba(255,107,53,.28);
  }
  .logo-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap;}
  .logo-sub{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.6px;line-height:1;margin-top:2px;}
  .nav-pill{display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px;box-shadow:var(--shadow-sm);}
  .nav-pill a{
    position:relative;display:block;padding:8px 15px;border-radius:999px;
    font-size:15px;color:var(--text);white-space:nowrap;transition:background .18s ease,color .18s ease;
  }
  .nav-pill a:hover{background:var(--brand-soft);color:var(--brand);}
  .nav-pill a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
  .nav-pill a.active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:1px;
    width:22px;height:3px;border-radius:3px;background:var(--brand);
  }
  .header-actions{display:flex;align-items:center;gap:10px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
    font-size:16px;font-weight:600;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-sm{height:44px;padding:0 22px;font-size:15px;}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,53,.34);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
  .btn-ghost:hover{color:var(--brand);background:var(--brand-soft);border-color:rgba(255,107,53,.4);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
  .btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
  .btn-block{width:100%;}
  .hamburger{
    display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}

  /* drawer */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(22,24,29,.5);opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;
    transform:translateX(100%);transition:transform .28s ease;z-index:90;
    display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
    cursor:pointer;font-size:20px;line-height:1;color:var(--muted);
  }
  .drawer-close:hover{color:var(--brand);border-color:rgba(255,107,53,.4);}
  .drawer-label{font-size:12px;letter-spacing:1px;color:var(--muted);margin:20px 0 8px;font-weight:600;}
  .drawer-nav a{
    display:block;padding:12px 14px;border-radius:14px;font-size:16px;color:var(--text);
    transition:background .18s ease,color .18s ease;
  }
  .drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:grid;gap:10px;}
  .drawer-foot .tel{font-size:14px;color:var(--muted);}

  /* ============ hero ============ */
  .hero{
    position:relative;overflow:hidden;background:var(--ink);color:#fff;
  }
  .hero-bg{
    position:absolute;inset:0;
    background-image:linear-gradient(115deg,rgba(22,24,29,.92) 0%,rgba(22,24,29,.78) 46%,rgba(22,24,29,.62) 100%),url("/assets/images/backpic/back-1.png");
    background-size:cover;background-position:center;
  }
  .hero-glow{
    position:absolute;width:620px;height:620px;right:-160px;top:-220px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,107,53,.42) 0%,rgba(255,107,53,0) 68%);
    pointer-events:none;
  }
  .hero-grid{
    position:absolute;inset:0;pointer-events:none;opacity:.10;
    background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 70%);
    -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 70%);
  }
  .hero-inner{position:relative;z-index:2;padding:88px 0 76px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
    font-size:13px;color:#F4E6DD;letter-spacing:.4px;
  }
  .hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--highlight);display:inline-block;}
  .hero h1{
    color:#fff;font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-.5px;font-weight:800;
    margin:22px 0 0;
  }
  .hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:#C9CED8;max-width:560px;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;}
  .badge{
    display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
    font-size:13px;font-weight:600;letter-spacing:.2px;
  }
  .badge-cool{background:var(--grad-cool);color:#fff;}
  .badge-warm{background:rgba(255,176,32,.16);color:#FFC961;border:1px solid rgba(255,176,32,.35);}
  .badge-soft{background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(255,107,53,.22);}
  .badge .num{font-size:15px;}
  .hero-card{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--r-lg);padding:18px;backdrop-filter:blur(6px);
  }
  .hero-card img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-card-body{padding:18px 6px 6px;}
  .hero-card-body h3{color:#fff;font-size:18px;line-height:1.5;}
  .hero-card-body p{color:#B9BFCB;font-size:14px;margin-top:8px;line-height:1.75;}
  .hero-card-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}

  /* ============ sections ============ */
  section{position:relative;}
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .sec-head{max-width:720px;margin-bottom:44px;}
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.4px;
    color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;
  }
  .sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
  .sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;letter-spacing:-.3px;}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
  .sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
  .link-more{
    display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-deep);
    transition:gap .2s ease,color .2s ease;
  }
  .link-more:hover{gap:12px;color:var(--brand);}

  /* value strip */
  .value-strip{background:#fff;border-bottom:1px solid var(--line);}
  .value-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;padding:56px 0;}
  .value-main{
    background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
    display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;
  }
  .value-main img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%;}
  .value-main h3{font-size:21px;line-height:1.45;}
  .value-main p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}
  .value-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .value-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(255,107,53,.22);}
  .value-num{
    font-size:13px;font-weight:800;letter-spacing:1px;color:var(--brand);
    background:var(--brand-soft);display:inline-flex;padding:4px 12px;border-radius:999px;
  }
  .value-item h3{margin-top:16px;font-size:19px;}
  .value-item p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}

  /* feature grid */
  .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .feature-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
    display:flex;flex-direction:column;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,.22);}
  .feature-card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;}
  .icon-badge{
    width:46px;height:46px;border-radius:14px;background:var(--grad-cool);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;flex-shrink:0;
    box-shadow:0 8px 18px rgba(16,184,160,.26);
  }
  .feature-card h3{margin-top:20px;font-size:20px;line-height:1.45;}
  .feature-card p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
  .feature-card .link-more{margin-top:auto;padding-top:20px;}
  .feature-card.wide h3{margin-top:18px;}
  .feature-card-img{border-radius:var(--r-md);aspect-ratio:16/10;object-fit:cover;width:100%;}

  /* tabs */
  .tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;}
  .tab{
    padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;
    font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .2s ease;
  }
  .tab:hover{color:var(--brand);border-color:rgba(255,107,53,.4);background:var(--brand-soft);}
  .tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,107,53,.26);}

  /* timeline */
  .timeline{position:relative;padding-left:52px;}
  .timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:var(--line);}
  .tl-item{position:relative;padding-bottom:38px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:11px;top:8px;width:18px;height:18px;border-radius:50%;
    background:var(--grad);box-shadow:0 0 0 6px rgba(255,107,53,.12);
  }
  .tl-item:last-child::before{background:var(--grad-cool);box-shadow:0 0 0 6px rgba(16,184,160,.14);}
  .tl-item h3{font-size:20px;}
  .tl-item p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85;max-width:760px;}
  .tl-thumb{margin-top:16px;border-radius:var(--r-md);aspect-ratio:16/8;object-fit:cover;max-width:520px;width:100%;}
  .tl-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}

  /* cases */
  .case-section{background:var(--bg);}
  .case-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;align-items:start;}
  .case-main{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .case-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
  .case-cover{position:relative;}
  .case-cover img{aspect-ratio:16/9;object-fit:cover;width:100%;}
  .case-cover .badges{position:absolute;left:18px;bottom:18px;display:flex;gap:8px;flex-wrap:wrap;}
  .case-body{padding:26px;}
  .case-body h3{font-size:21px;}
  .case-body p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
  .case-list{display:grid;gap:16px;}
  .case-item{
    display:grid;grid-template-columns:5px 1fr;gap:18px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);padding:22px 24px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .case-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:rgba(255,107,53,.22);}
  .case-bar{width:5px;border-radius:99px;background:var(--grad);}
  .case-item h4{font-size:17px;}
  .case-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
  .case-item .badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}

  /* price */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
  .price-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px;
    display:flex;flex-direction:column;position:relative;
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
  .price-card.featured{
    transform:scale(1.04);
    border:2px solid transparent;
    background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
    box-shadow:0 18px 40px rgba(255,107,53,.16);
  }
  .price-card.featured:hover{transform:scale(1.04) translateY(-4px);}
  .price-flag{
    position:absolute;top:-13px;left:50%;transform:translateX(-50%);
    background:var(--highlight);color:#4A2E00;font-size:12px;font-weight:800;letter-spacing:1px;
    padding:6px 16px;border-radius:999px;white-space:nowrap;
  }
  .price-name{font-size:17px;font-weight:700;color:var(--ink);}
  .price-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7;}
  .price-amount{display:flex;align-items:baseline;gap:6px;margin:22px 0 6px;color:var(--ink);}
  .price-amount .num{font-size:40px;font-weight:800;letter-spacing:-1px;line-height:1;}
  .price-amount span{font-size:14px;color:var(--muted);}
  .price-list{margin-top:22px;display:grid;gap:12px;flex:1;}
  .price-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.7;}
  .tick{
    width:20px;height:20px;border-radius:50%;background:rgba(16,184,160,.14);color:var(--accent);
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:4px;
  }
  .price-card .btn{margin-top:28px;}

  /* news */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .news-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
    display:flex;flex-direction:column;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,.22);}
  .news-cover{position:relative;display:block;background:var(--brand-soft);}
  .news-cover img{aspect-ratio:16/9;object-fit:cover;width:100%;}
  .cover-fallback{
    aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
    color:rgba(255,107,53,.55);font-size:30px;background:var(--brand-soft);
  }
  .news-pill{
    position:absolute;left:14px;top:14px;padding:5px 13px;border-radius:999px;
    background:rgba(255,255,255,.94);color:var(--brand-deep);font-size:12px;font-weight:700;
  }
  .news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
  .news-time{font-size:13px;color:var(--muted);}
  .news-body h3{
    margin-top:10px;font-size:18px;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .2s ease;
  }
  .news-card:hover .news-body h3{color:var(--brand);}
  .news-body p{
    margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-body .link-more{margin-top:auto;padding-top:18px;}
  .empty-state{
    border:2px dashed var(--line);border-radius:var(--r-lg);background:#fff;
    padding:56px 24px;text-align:center;grid-column:1/-1;
  }
  .empty-state .icon{
    width:56px;height:56px;border-radius:18px;background:var(--brand-soft);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 16px;
  }
  .empty-state p{color:var(--muted);font-size:15px;}

  /* faq */
  .faq-wrap{max-width:880px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:rgba(255,107,53,.3);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq-icon{
    width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;flex-shrink:0;
    transition:transform .25s ease,background .25s ease,color .25s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .faq-a-inner{
    padding:0 24px 24px 24px;border-left:3px solid var(--brand);margin-left:24px;
    color:var(--muted);font-size:15px;line-height:1.9;
  }

  /* cta */
  .cta-band{
    background:var(--ink);border-radius:32px;padding:56px;position:relative;overflow:hidden;
    display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
  }
  .cta-band::after{
    content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,107,53,.55) 0%,rgba(255,107,53,0) 68%);
  }
  .cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.35;position:relative;z-index:2;}
  .cta-band p{color:#C9CED8;margin-top:14px;font-size:16px;position:relative;z-index:2;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:2;}

  /* footer */
  .site-footer{background:var(--ink);color:#A7ADB8;margin-top:88px;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
    padding:64px 0 40px;
  }
  .footer-brand .logo-text{color:#fff;}
  .footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:300px;}
  .footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.3px;}
  .footer-col li{margin-bottom:12px;}
  .footer-col a{font-size:14px;transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand);}
  .footer-contact p{font-size:14px;margin-bottom:12px;}
  .footer-contact strong{color:#fff;font-weight:600;}
  .qr{
    width:96px;height:96px;border-radius:16px;background:rgba(255,255,255,.07);
    border:1px dashed rgba(255,255,255,.2);display:flex;flex-direction:column;gap:6px;
    align-items:center;justify-content:center;font-size:11px;color:#8B929E;margin-top:16px;text-align:center;
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);padding:22px 0 34px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
  }

  /* ============ responsive ============ */
  @media (max-width:1180px){
    .nav-pill a{padding:8px 12px;font-size:14px;}
    .logo-sub{display:none;}
  }
  @media (max-width:1023px){
    .nav-pill{display:none;}
    .header-actions .btn{display:none;}
    .hamburger{display:flex;}
    .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 56px;}
    .section{padding:64px 0;}
    .value-grid{grid-template-columns:1fr 1fr;padding:48px 0;}
    .value-main{grid-column:span 2;}
    .feature-grid{grid-template-columns:1fr 1fr;}
    .feature-card.wide{grid-column:span 2;grid-template-columns:1fr;}
    .case-grid{grid-template-columns:1fr;}
    .price-grid{grid-template-columns:1fr;gap:32px;}
    .price-card.featured{transform:none;}
    .price-card.featured:hover{transform:translateY(-4px);}
    .news-grid{grid-template-columns:1fr 1fr;}
    .cta-band{grid-template-columns:1fr;padding:44px 32px;border-radius:26px;}
    .cta-actions{justify-content:flex-start;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  }
  @media (max-width:639px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .header-inner{height:60px;}
    .hero-inner{padding:52px 0 48px;}
    .hero-cta .btn{width:100%;}
    .hero-badges{gap:10px;}
    .section{padding:52px 0;}
    .value-grid{grid-template-columns:1fr;padding:40px 0;}
    .value-main{grid-column:span 1;grid-template-columns:1fr;gap:18px;}
    .feature-grid{grid-template-columns:1fr;}
    .feature-card.wide{grid-column:span 1;}
    .news-grid{grid-template-columns:1fr;}
    .timeline{padding-left:42px;}
    .timeline::before{left:15px;}
    .tl-item::before{left:7px;}
    .cta-band{padding:36px 24px;border-radius:22px;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;font-size:12px;}
    .faq-q{padding:18px 18px;font-size:16px;}
    .faq-a-inner{margin-left:18px;padding:0 18px 20px 18px;}
  }

/* roulang page: article */
:root{
  --brand:#FF6B35;
  --brand-deep:#E24E1B;
  --brand-soft:rgba(255,107,53,.10);
  --accent:#10B8A0;
  --highlight:#FFB020;
  --ink:#16181D;
  --text:#3B4049;
  --muted:#6E7480;
  --line:#EFE9E3;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
  --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
  --shadow-sm:0 2px 8px rgba(22,24,29,.05);
  --shadow-card:0 10px 28px rgba(22,24,29,.08);
  --shadow-hover:0 18px 40px rgba(255,107,53,.18);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-input:14px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  height:68px;display:flex;align-items:center;
  background:rgba(255,248,243,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,height .22s ease;
}
.site-header.scrolled{height:60px;box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.4px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:0 6px 14px rgba(255,107,53,.28);
}
.nav-pill{
  display:flex;align-items:center;gap:2px;
  padding:5px;background:#fff;border:1px solid var(--line);
  border-radius:999px;box-shadow:var(--shadow-sm);
}
.nav-pill a{
  position:relative;padding:8px 13px;border-radius:999px;
  font-size:14px;color:var(--text);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-pill a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.burger{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

.drawer-mask{
  position:fixed;inset:0;z-index:60;background:rgba(22,24,29,.5);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer{
  position:fixed;top:0;right:0;z-index:61;height:100%;width:84vw;max-width:360px;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;transform:translateX(105%);transition:transform .28s ease;
  box-shadow:-18px 0 40px rgba(22,24,29,.16);
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--muted);}
.drawer-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin:12px 4px 4px;}
.drawer nav a{display:block;padding:12px 14px;border-radius:14px;font-size:15px;color:var(--text);transition:.2s;}
.drawer nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.drawer-foot p{font-size:13px;color:var(--muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,107,53,.30);}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:44px;padding:0 22px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:52px 0 76px;color:#fff;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(22,24,29,.86) 0%,rgba(22,24,29,.66) 60%,rgba(226,78,27,.55) 100%);
}
.page-banner::after{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,107,53,.42),transparent 68%);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;max-width:1080px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;font-weight:600;margin-bottom:16px;
}
.article-title{
  font-size:clamp(26px,4vw,40px);
  line-height:1.28;font-weight:800;color:#fff;
  max-width:900px;letter-spacing:-.6px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.74);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--highlight);}

/* ---------- 正文布局 ---------- */
.article-cover{
  margin-top:-48px;position:relative;z-index:3;
  border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--shadow-card);background:var(--brand-soft);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-wrap{padding:44px 0 20px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 262px;
  gap:40px;align-items:start;max-width:1080px;margin:0 auto;
}
body.no-toc .article-layout{grid-template-columns:minmax(0,1fr);}
body.no-toc .article-toc{display:none;}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 40px;box-shadow:var(--shadow-sm);
}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,25px);font-weight:700;line-height:1.4;
  margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:999px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;margin:30px 0 12px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body ul li{
  position:relative;padding-left:22px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.article-body ol{counter-reset:artnum;padding-left:0;}
.article-body ol li{
  position:relative;padding-left:36px;margin-bottom:12px;counter-increment:artnum;
}
.article-body ol li::before{
  content:counter(artnum);
  position:absolute;left:0;top:5px;width:24px;height:24px;border-radius:9px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:12px;color:#4A3B33;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:26px auto;box-shadow:var(--shadow-sm);}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--brand-soft);color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

/* 右侧目录 */
.article-toc{position:sticky;top:96px;}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--shadow-sm);
}
.toc-card h3{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:12px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--text);
  border-left:2px solid transparent;transition:.2s;line-height:1.6;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.toc-list a.on{color:var(--brand-deep);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft);}
.toc-tip{
  margin-top:16px;padding:16px;border-radius:var(--r-md);
  background:var(--ink);color:#C9CED8;font-size:13px;line-height:1.7;
}
.toc-tip strong{color:#fff;display:block;margin-bottom:6px;font-size:14px;}
.toc-tip a{display:inline-flex;margin-top:10px;color:var(--highlight);font-weight:600;}

/* 文末操作条 */
.article-foot{
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.share-dot{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:14px;color:var(--muted);transition:.2s;
}
.share-dot:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft);}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;background:#FFFDFB;
}
.empty-state .ic{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;
  background:var(--brand-soft);display:grid;place-items:center;font-size:24px;color:var(--brand);
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px;}
.link-more{color:var(--brand-deep);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{color:var(--brand);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.news-cover{position:relative;background:var(--brand-soft);}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-pill{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.92);
  color:var(--brand-deep);font-size:12px;font-weight:700;
}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-date{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-body h3{font-size:17.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3{color:var(--brand-deep);}
.news-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-arrow{margin-top:auto;color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0;}
.cta-inner{
  position:relative;overflow:hidden;border-radius:32px;background:var(--ink);
  padding:52px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.45),transparent 70%);
}
.cta-inner::after{
  content:"";position:absolute;right:-40px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,184,160,.34),transparent 70%);
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;}
.cta-text p{color:#C9CED8;font-size:15px;margin-top:12px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16181D;color:#A7ADB8;padding:64px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo-text{color:#fff;font-size:19px;font-weight:800;letter-spacing:-.3px;display:inline-block;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A7ADB8;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A7ADB8;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-contact p{font-size:14px;margin-bottom:10px;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  margin-top:14px;width:112px;height:112px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.24);background:rgba(255,255,255,.04);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:#8C93A0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8C93A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-toc{display:none;}
}
@media (max-width:1023px){
  .nav-pill{display:none;}
  .burger{display:flex;}
  .header-cta{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .cta-inner{padding:42px 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .page-banner{padding:40px 0 64px;}
  .article-cover{margin-top:-38px;}
  .article-panel{padding:26px 22px;border-radius:var(--r-md);}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{margin-top:34px;}
  .related{padding:48px 0 6px;}
  .cta-band{padding:52px 0;}
  .site-footer{padding-top:48px;}
}
@media (max-width:639px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .logo{font-size:16px;}
}

/* roulang page: category1 */
:root{
    --brand:#FF6B35;
    --brand-deep:#E24E1B;
    --brand-soft:rgba(255,107,53,.10);
    --accent:#10B8A0;
    --highlight:#FFB020;
    --ink:#16181D;
    --text:#3B4049;
    --muted:#6E7480;
    --line:#EFE9E3;
    --bg:#FFF8F3;
    --card:#FFFFFF;
    --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
    --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
    --r-lg:24px;
    --r-md:18px;
    --r-img:20px;
    --r-input:14px;
    --sh-sm:0 2px 8px rgba(22,24,29,.05);
    --sh-card:0 10px 28px rgba(22,24,29,.08);
    --sh-hover:0 18px 40px rgba(255,107,53,.18);
    --container:1200px;
    --sec-pc:88px;
    --sec-mb:52px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:17px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;border:none;background:none;cursor:pointer;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

  /* ============ 顶栏 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    height:68px;
    background:rgba(255,248,243,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s ease,height .22s ease;
  }
  .site-header.scrolled{box-shadow:var(--sh-sm);height:62px;}
  .header-inner{display:flex;align-items:center;gap:16px;height:100%;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:34px;height:34px;border-radius:11px;background:var(--grad);
    display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
    box-shadow:0 6px 16px rgba(255,107,53,.28);
  }
  .logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap;}
  .nav-pill{
    display:flex;align-items:center;gap:4px;
    background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:5px;margin-left:auto;
    box-shadow:var(--sh-sm);
  }
  .nav-pill a{
    position:relative;padding:8px 14px;border-radius:999px;
    font-size:14px;color:var(--text);white-space:nowrap;transition:background .2s ease,color .2s ease;
  }
  .nav-pill a:hover{background:var(--brand-soft);color:var(--brand-deep);}
  .nav-pill a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
  .nav-pill a.active::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
    width:18px;height:3px;border-radius:999px;background:var(--brand);
  }
  .nav-close{display:none;}
  .header-cta{
    flex-shrink:0;height:44px;padding:0 22px;border-radius:999px;
    background:var(--grad);color:#fff;font-size:14px;font-weight:600;
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:0 8px 20px rgba(255,107,53,.28);
    transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  }
  .header-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,53,.34);}
  .header-cta:active{transform:translateY(1px);}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:14px;
    border:1px solid var(--line);background:#fff;place-items:center;flex-shrink:0;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-mask{
    position:fixed;inset:0;background:rgba(22,24,29,.5);
    opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:70;
  }

  /* ============ 通用区块 ============ */
  .section{padding:var(--sec-pc) 0;}
  .section-tight{padding:56px 0;}
  .section-head{max-width:760px;margin-bottom:38px;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand-deep);
    background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  }
  .kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
  .section-title{
    font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;
    color:var(--ink);letter-spacing:-.4px;
  }
  .section-sub{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;
    font-size:15px;font-weight:600;transition:all .22s ease;white-space:nowrap;
  }
  .btn-primary{
    background:var(--grad);color:#fff;
    box-shadow:0 8px 20px rgba(255,107,53,.28);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,53,.34);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{
    background:#fff;color:var(--text);border:1px solid var(--line);
  }
  .btn-ghost:hover{color:var(--brand-deep);background:var(--brand-soft);border-color:rgba(255,107,53,.35);transform:translateY(-2px);}
  .btn-light{
    background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
  }
  .btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}

  /* ============ 小 Hero ============ */
  .hero-soft{
    position:relative;overflow:hidden;
    background:
      radial-gradient(circle at 88% 14%, rgba(255,176,32,.20), transparent 46%),
      radial-gradient(circle at 8% 88%, rgba(16,184,160,.14), transparent 44%),
      var(--bg);
    border-bottom:1px solid var(--line);
    padding:68px 0 64px;
  }
  .hero-soft::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:radial-gradient(rgba(22,24,29,.10) 1px,transparent 1px);
    background-size:22px 22px;
    mask-image:linear-gradient(to bottom,transparent,#000 40%,transparent);
  }
  .hero-soft-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:center;
  }
  .hero-soft h1{
    font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:800;
    color:var(--ink);letter-spacing:-.5px;margin-bottom:18px;
  }
  .hero-soft h1 em{
    font-style:normal;color:var(--brand-deep);
    background:linear-gradient(180deg,transparent 62%,rgba(255,176,32,.45) 62%);
  }
  .hero-soft .lead{font-size:17px;color:var(--text);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .badge-panel{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px;box-shadow:var(--sh-card);
    display:grid;gap:12px;
  }
  .badge-panel h2{
    font-size:15px;font-weight:700;color:var(--ink);
    display:flex;align-items:center;gap:8px;margin-bottom:4px;
  }
  .badge-panel h2::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);}
  .badge-item{
    display:flex;align-items:center;gap:12px;
    padding:12px 14px;border-radius:var(--r-md);
    background:var(--bg);border:1px solid var(--line);
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .badge-item:hover{transform:translateY(-3px);box-shadow:var(--sh-card);}
  .badge-chip{
    flex-shrink:0;padding:5px 11px;border-radius:999px;
    font-size:12px;font-weight:700;color:#fff;background:var(--grad-cool);letter-spacing:.2px;
  }
  .badge-chip.warm{background:linear-gradient(120deg,#FFB020,#FF8A3C);color:#3B2A08;}
  .badge-text{font-size:14px;color:var(--muted);line-height:1.5;}
  .badge-text strong{color:var(--ink);font-weight:700;}

  /* ============ 图文交错 ============ */
  .feature-row{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:44px 0;border-top:1px solid var(--line);
  }
  .feature-row:first-child{border-top:none;padding-top:0;}
  .feature-row.reverse .feature-copy{order:2;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-num{
    font-size:14px;font-weight:800;letter-spacing:2px;color:var(--brand);
    display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  }
  .feature-num::after{content:"";width:36px;height:1px;background:var(--line);}
  .feature-copy h3{
    font-size:clamp(20px,2.1vw,24px);font-weight:700;color:var(--ink);
    line-height:1.4;margin-bottom:14px;letter-spacing:-.3px;
  }
  .feature-copy p{font-size:16px;color:var(--text);}
  .feature-list{margin-top:18px;display:grid;gap:10px;}
  .feature-list li{
    position:relative;padding-left:26px;font-size:15px;color:var(--text);
  }
  .feature-list li::before{
    content:"";position:absolute;left:0;top:9px;width:14px;height:14px;
    border-radius:5px;background:var(--brand-soft);
    box-shadow:inset 0 0 0 4px var(--brand);
    transform:scale(.72);
  }
  .feature-media{
    position:relative;border-radius:var(--r-img);overflow:hidden;
    background:var(--brand-soft);border:1px solid var(--line);
    box-shadow:var(--sh-card);aspect-ratio:16/10;
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .feature-media:hover img{transform:scale(1.04);}
  .media-fallback{
    position:absolute;inset:0;display:grid;place-items:center;
    color:var(--brand);font-size:13px;font-weight:600;background:var(--brand-soft);
  }
  .media-fallback svg{width:34px;height:34px;opacity:.6;}

  /* ============ 能力网格 ============ */
  .grid-2x2{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
  .cap-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px;display:flex;flex-direction:column;
    box-shadow:var(--sh-sm);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,107,53,.28);}
  .cap-card.large{grid-column:span 4;flex-direction:row;gap:28px;align-items:center;padding:24px;}
  .cap-card.span2{grid-column:span 2;}
  .cap-card.span3{grid-column:span 3;}
  .cap-card.large .cap-body{flex:1;}
  .cap-card.large .cap-thumb{
    width:44%;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;
    aspect-ratio:16/10;background:var(--brand-soft);
  }
  .cap-card.large .cap-thumb img{width:100%;height:100%;object-fit:cover;}
  .cap-icon{
    width:44px;height:44px;border-radius:14px;background:var(--grad-cool);
    display:grid;place-items:center;color:#fff;margin-bottom:16px;
    box-shadow:0 8px 18px rgba(16,184,160,.24);
  }
  .cap-icon svg{width:22px;height:22px;stroke-width:1.7;}
  .cap-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:-.2px;}
  .cap-card p{font-size:15px;color:var(--muted);line-height:1.8;}
  .cap-link{
    margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--brand-deep);
  }
  .cap-link svg{width:16px;height:16px;transition:transform .22s ease;}
  .cap-card:hover .cap-link svg{transform:translateX(4px);}

  /* ============ 场景清单 ============ */
  .scene-wrap{
    background:#fff;border:1px solid var(--line);border-radius:32px;
    padding:48px;box-shadow:var(--sh-sm);
  }
  .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px;}
  .scene-item{
    display:flex;gap:16px;padding:22px;border-radius:var(--r-md);
    background:var(--bg);border:1px solid var(--line);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .scene-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,107,53,.25);}
  .scene-idx{
    flex-shrink:0;width:38px;height:38px;border-radius:12px;
    background:var(--grad);color:#fff;font-weight:800;font-size:15px;
    display:grid;place-items:center;box-shadow:0 6px 14px rgba(255,107,53,.26);
  }
  .scene-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
  .scene-item p{font-size:14px;color:var(--muted);line-height:1.75;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:900px;margin:0 auto;}
  .faq-list{display:grid;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
  }
  .faq-item[open]{box-shadow:var(--sh-card);border-color:rgba(255,107,53,.25);}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:20px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-toggle{
    flex-shrink:0;width:26px;height:26px;border-radius:50%;
    background:var(--brand-soft);color:var(--brand-deep);
    display:grid;place-items:center;font-size:16px;line-height:1;font-weight:600;
    transition:transform .24s ease,background .24s ease;
  }
  .faq-item[open] .faq-toggle{transform:rotate(45deg);background:var(--brand);color:#fff;}
  .faq-answer{
    padding:0 24px 22px 24px;font-size:15px;color:var(--muted);line-height:1.85;
    border-left:3px solid var(--brand);margin-left:24px;padding-left:18px;
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:32px;
    background:var(--ink);color:#fff;padding:56px;
    display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
    box-shadow:0 24px 60px rgba(22,24,29,.24);
  }
  .cta-band::before{
    content:"";position:absolute;right:-120px;top:-140px;width:460px;height:460px;border-radius:50%;
    background:var(--grad);opacity:.34;filter:blur(10px);
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
    background-size:40px 40px;
    mask-image:radial-gradient(circle at 20% 40%,#000,transparent 70%);
  }
  .cta-band > *{position:relative;z-index:2;}
  .cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.3px;}
  .cta-band p{margin-top:12px;font-size:15px;color:#C9CED8;line-height:1.8;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:#A7ADB8;padding:64px 0 0;margin-top:20px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
  .footer-brand .logo-text{color:#fff;font-size:20px;font-weight:800;display:block;margin-bottom:14px;}
  .footer-brand p{font-size:14px;line-height:1.85;color:#A7ADB8;max-width:320px;}
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{font-size:14px;color:#A7ADB8;transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand);}
  .footer-contact p{font-size:14px;margin-bottom:10px;}
  .footer-contact strong{color:#fff;font-weight:600;}
  .qr{
    margin-top:16px;width:104px;height:104px;border-radius:16px;
    border:1px dashed rgba(255,255,255,.28);
    display:grid;place-items:center;text-align:center;
    font-size:12px;line-height:1.6;color:#8E95A1;padding:10px;
  }
  .footer-bottom{
    margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:#8E95A1;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .nav-pill a{padding:8px 11px;font-size:13.5px;}
  }
  @media (max-width:1023px){
    :root{--sec-pc:64px;}
    .header-cta{display:none;}
    .nav-toggle{display:grid;}
    .nav-pill{
      position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:360px;
      flex-direction:column;align-items:stretch;gap:6px;
      padding:82px 20px 28px;margin-left:0;
      background:#fff;border:none;border-radius:0;
      box-shadow:-24px 0 60px rgba(22,24,29,.2);
      transform:translateX(105%);transition:transform .28s ease;
      overflow-y:auto;z-index:80;
    }
    body.nav-open .nav-pill{transform:translateX(0);}
    body.nav-open .nav-mask{opacity:1;visibility:visible;}
    body.nav-open{overflow:hidden;}
    .nav-pill a{padding:13px 16px;border-radius:14px;font-size:15px;background:var(--bg);}
    .nav-pill a.active::after{display:none;}
    .nav-close{
      display:grid;place-items:center;position:absolute;top:22px;right:20px;
      width:38px;height:38px;border-radius:12px;background:var(--bg);
      border:1px solid var(--line);font-size:16px;color:var(--ink);
    }
    .hero-soft-inner{grid-template-columns:1fr;gap:30px;}
    .feature-row{grid-template-columns:1fr;gap:26px;padding:34px 0;}
    .feature-row.reverse .feature-copy{order:1;}
    .feature-row.reverse .feature-media{order:2;}
    .grid-2x2{grid-template-columns:1fr;}
    .cap-card.large,.cap-card.span2,.cap-card.span3{grid-column:span 1;flex-direction:column;align-items:stretch;}
    .cap-card.large .cap-thumb{width:100%;margin-top:18px;}
    .scene-grid{grid-template-columns:1fr;}
    .scene-wrap{padding:32px 22px;border-radius:24px;}
    .cta-band{grid-template-columns:1fr;padding:38px 26px;border-radius:24px;}
    .cta-actions{justify-content:flex-start;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:640px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    :root{--sec-pc:48px;}
    .logo-text{font-size:16px;}
    .hero-soft{padding:44px 0 48px;}
    .hero-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:6px;}
    .faq-item summary{padding:16px 18px;font-size:15px;}
    .faq-answer{margin-left:16px;padding-left:14px;padding-right:18px;}
    .scene-wrap{padding:26px 18px;}
  }

/* roulang page: category3 */
:root{
  --brand:#FF6B35;
  --brand-deep:#E24E1B;
  --brand-soft:rgba(255,107,53,.10);
  --accent:#10B8A0;
  --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
  --highlight:#FFB020;
  --ink:#16181D;
  --text:#3B4049;
  --muted:#6E7480;
  --line:#EFE9E3;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --shadow-sm:0 2px 8px rgba(22,24,29,.05);
  --shadow:0 10px 28px rgba(22,24,29,.08);
  --shadow-hover:0 18px 40px rgba(255,107,53,.18);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:68px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.2px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,107,53,.32);flex:none;
}
.nav-pill{
  display:flex;align-items:center;gap:2px;padding:6px;
  background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-sm);
}
.nav-pill a{
  position:relative;padding:8px 13px;border-radius:999px;font-size:14px;
  color:var(--text);text-decoration:none;transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-pill a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:.2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{height:44px;padding:0 22px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,53,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.4px;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge-cool{background:var(--grad-cool);color:#fff;box-shadow:0 6px 16px rgba(16,184,160,.24)}
.badge-warm{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24)}
.badge-amber{background:var(--highlight);color:#4A3200}
.badge-light{background:#fff;border:1px solid var(--line);color:var(--text)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin:0 0 18px;
}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9CED8}
.breadcrumb .current{color:var(--text)}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;padding:52px 0 76px;
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(255,107,53,.18), transparent 68%),
    linear-gradient(180deg,#FFF8F3 0%,#FFFFFF 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(22,24,29,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(22,24,29,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
  opacity:.55;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-.5px;
  font-weight:800;color:var(--ink);margin:16px 0 0;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--muted);margin:18px 0 0;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow);background:var(--brand-soft);
}
.hero-float{
  position:absolute;left:22px;bottom:-26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow);
  display:flex;gap:20px;align-items:center;
}
.hero-float .hf-item{display:grid;gap:2px}
.hero-float .hf-num{font-size:20px;font-weight:800;color:var(--ink);line-height:1.2}
.hero-float .hf-label{font-size:12.5px;color:var(--muted)}
.hero-float .hf-div{width:1px;height:34px;background:var(--line)}

/* ============ 板块 ============ */
.section{padding:76px 0}
.section-white{background:#fff}
.section-head{max-width:700px;margin-bottom:42px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;
  color:var(--ink);margin:14px 0 12px;letter-spacing:-.3px;
}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 时间线 ============ */
.steps{display:grid;gap:20px;max-width:960px}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px}
.step::before{
  content:"";position:absolute;left:25px;top:56px;bottom:-22px;width:2px;
  background:var(--line);
}
.step:last-child::before{display:none}
.step-dot{
  position:relative;z-index:2;width:52px;height:52px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:16px;box-shadow:0 8px 20px rgba(255,107,53,.28);
}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 28px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.step-body h3{margin:0 0 8px;font-size:20px;font-weight:600;color:var(--ink);line-height:1.4}
.step-body p{margin:0;color:var(--muted);font-size:15.5px;line-height:1.8}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.card h3{margin:0 0 10px;font-size:20px;font-weight:600;color:var(--ink);line-height:1.4}
.card p{margin:0;color:var(--muted);font-size:15.5px;line-height:1.8}
.icon-badge{
  width:44px;height:44px;border-radius:14px;background:var(--grad-cool);color:#fff;
  display:grid;place-items:center;margin-bottom:16px;flex:none;
}
.card-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.card-list li{font-size:14.5px;color:var(--text);display:flex;gap:9px;align-items:flex-start}
.card-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  flex:none;margin-top:11px;
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow);background:var(--brand-soft);
}
.split h2{
  font-size:clamp(23px,2.4vw,32px);line-height:1.3;color:var(--ink);
  font-weight:700;margin:14px 0 14px;letter-spacing:-.3px;
}
.split p.lead{margin:0 0 20px;color:var(--muted);font-size:16px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);line-height:1.75}
.check-list svg{flex:none;margin-top:5px;color:var(--accent)}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--brand-soft)}
.faq-item.open{box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:50%;background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center;transition:transform .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{
  margin:0 24px 22px;padding:4px 0 4px 16px;border-left:3px solid var(--brand);
  color:var(--muted);font-size:15.5px;line-height:1.85;
}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 84px}
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:32px;
  padding:52px;display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-130px;top:-140px;width:380px;height:380px;
  border-radius:50%;background:var(--grad);opacity:.26;filter:blur(12px);pointer-events:none;
}
.cta-band h2{
  position:relative;z-index:2;color:#fff;font-size:clamp(22px,2.5vw,31px);
  line-height:1.35;font-weight:700;margin:0 0 12px;letter-spacing:-.3px;
}
.cta-band p{position:relative;z-index:2;margin:0;color:#C9CED8;font-size:15.5px}
.cta-actions{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;
}

/* ============ 页脚 ============ */
.site-footer{background:#16181D;color:#A7ADB8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand .logo-text{display:block;color:#fff;font-size:20px;font-weight:800;margin-bottom:12px;letter-spacing:-.2px}
.footer-brand p{margin:0;font-size:14.5px;line-height:1.8;color:#A7ADB8;max-width:330px}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:#A7ADB8;text-decoration:none;font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-contact p{margin:0 0 10px;font-size:14.5px}
.footer-contact strong{color:#fff;font-weight:600}
.qr{
  margin-top:14px;width:112px;height:112px;border-radius:var(--radius-sm);
  border:1px dashed rgba(255,255,255,.25);background:rgba(255,255,255,.03);
  display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.6;color:#8D939E;
}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13.5px;color:#8D939E;
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,29,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;
  z-index:90;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:grid;place-items:center;cursor:pointer;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav{display:grid;gap:4px;margin-bottom:22px}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--radius-sm);color:var(--text);
  text-decoration:none;font-size:15.5px;transition:.2s ease;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.drawer-foot{margin-top:auto;display:grid;gap:12px}
.drawer-foot p{margin:0;font-size:13.5px;color:var(--muted)}
body.no-scroll{overflow:hidden}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-pill{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual img{aspect-ratio:16/10}
  .hero-float{position:static;margin-top:18px;left:auto;bottom:auto}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cta-wrap{padding-bottom:64px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand{font-size:16.5px}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .page-hero{padding:34px 0 56px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:30px}
  .card,.step-body{padding:22px 20px}
  .step{grid-template-columns:40px 1fr;gap:14px}
  .step-dot{width:40px;height:40px;font-size:14px}
  .step::before{left:19px;top:46px;bottom:-20px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{margin:0 18px 18px;padding-left:14px}
  .cta-band{padding:30px 24px;border-radius:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .hero-actions .btn{width:100%}
  .btn{height:46px}
}

/* roulang page: category2 */
:root{
  --brand:#FF6B35;
  --brand-deep:#E24E1B;
  --brand-soft:rgba(255,107,53,.10);
  --accent:#10B8A0;
  --highlight:#FFB020;
  --ink:#16181D;
  --text:#3B4049;
  --muted:#6E7480;
  --line:#EFE9E3;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
  --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
  --shadow-sm:0 2px 8px rgba(22,24,29,.05);
  --shadow-card:0 10px 28px rgba(22,24,29,.08);
  --shadow-hover:0 18px 40px rgba(255,107,53,.18);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-input:14px;
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
div.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
img{max-width:100%;display:block;}
a{text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
section[id]{scroll-margin-top:96px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(255,107,53,.32);
}
.logo-text{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.3px;white-space:nowrap;}
.nav-pill{
  display:flex;align-items:center;gap:2px;margin:0 auto;
  padding:4px;background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-sm);
}
.nav-pill a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-pill a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;width:22px;height:3px;
  transform:translateX(-50%);border-radius:999px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.hamburger:hover{background:var(--brand-soft);border-color:rgba(255,107,53,.3);}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
@media (max-width:1023.98px){
  .nav-pill{display:none;}
  .hamburger{display:flex;}
}
@media (max-width:640px){
  .header-inner{height:60px;}
  .logo-text{font-size:16.5px;}
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,29,.5);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:80;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text);cursor:pointer;transition:.2s;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-label{font-size:12.5px;color:var(--muted);letter-spacing:.4px;margin:14px 0 6px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:14px;color:var(--text);font-size:15.5px;
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.drawer-cta{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.drawer-contact{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.8;}
@media (min-width:1024px){
  .mobile-drawer,.drawer-mask{display:none;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-deep);background:var(--brand-soft);border-color:rgba(255,107,53,.35);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
@media (max-width:640px){
  .btn{height:46px;padding:0 20px;font-size:15px;}
}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-cool{background:var(--grad-cool);color:#fff;}
.badge-amber{background:var(--highlight);color:#4A2E00;}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding-top:20px;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#C9C2BB;}
.breadcrumb .current{color:var(--text);}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:14px 0 68px;
  background-image:linear-gradient(180deg,rgba(255,248,243,.95),rgba(255,252,249,.97)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 88% 8%,rgba(255,107,53,.16),transparent 46%),
    radial-gradient(circle at 4% 92%,rgba(16,184,160,.13),transparent 42%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(22,24,29,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(22,24,29,.035) 1px,transparent 1px);
  background-size:48px 48px;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;margin-top:26px;}
.hero-copy h1{
  margin:0 0 18px;font-size:clamp(28px,3.9vw,44px);line-height:1.22;font-weight:800;
  letter-spacing:-.6px;color:var(--ink);
}
.hero-copy h1 em{font-style:normal;color:var(--brand-deep);}
.hero-lede{margin:0;font-size:17px;line-height:1.9;color:var(--text);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.stat{
  display:flex;align-items:baseline;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:9px 16px;box-shadow:var(--shadow-sm);
  font-size:13px;color:var(--muted);
}
.stat-num{font-size:17px;font-weight:800;color:var(--brand-deep);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;border-radius:var(--r-img);box-shadow:0 20px 44px rgba(22,24,29,.14);}
.hero-float{
  position:absolute;left:-14px;bottom:18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
}
.hero-float i{color:var(--accent);}
@media (max-width:1023.98px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{order:-1;}
  .hero-float{left:12px;}
}
@media (max-width:640px){
  .cat-hero{padding-bottom:52px;}
  .hero-float{position:static;margin-top:14px;}
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-tint{background:linear-gradient(180deg,#FFF8F3,#FFFDFB);}
@media (max-width:768px){.section{padding:56px 0;}}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:600;
  margin-bottom:14px;
}
.section-title{
  margin:0 0 12px;font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;
  letter-spacing:-.4px;color:var(--ink);
}
.section-desc{margin:0;font-size:16px;color:var(--muted);line-height:1.85;}

/* ============ 筛选胶囊 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text);
  transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chip i{font-size:13px;color:var(--accent);}
.chip:hover{border-color:rgba(255,107,53,.35);color:var(--brand-deep);}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,107,53,.26);font-weight:600;}
.chip.is-active i{color:#fff;}

/* ============ 品类卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023.98px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:639.98px){.card-grid{grid-template-columns:1fr;}}
.gcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,.28);}
.gcard-media{position:relative;aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.gcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gcard:hover .gcard-media img{transform:scale(1.05);}
.gcard-pill{position:absolute;left:14px;top:14px;box-shadow:0 6px 14px rgba(22,24,29,.18);}
.gcard-count{
  position:absolute;right:14px;top:14px;background:rgba(22,24,29,.72);color:#fff;
  padding:5px 11px;border-radius:999px;font-size:12px;font-weight:600;
}
.gcard-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.gcard-title{margin:0;font-size:19px;font-weight:600;color:var(--ink);line-height:1.45;}
.gcard-desc{
  margin:0;font-size:14.5px;line-height:1.78;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.gcard-tags{display:flex;flex-wrap:wrap;gap:8px;}
.gcard-foot{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.gcard-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;
  color:var(--brand-deep);transition:color .2s ease;
}
.gcard-link i{transition:transform .22s ease;}
.gcard:hover .gcard-link i{transform:translateX(4px);}
.gcard-link:hover{color:var(--brand);}

/* ============ 卖点卡 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:1023.98px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639.98px){.feature-grid{grid-template-columns:1fr;}}
.fcard{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,.26);}
.fcard-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-cool);color:#fff;font-size:19px;margin-bottom:16px;
}
.fcard h3{margin:0 0 8px;font-size:19px;font-weight:600;color:var(--ink);line-height:1.45;}
.fcard p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted);}

/* ============ 时间线 ============ */
.timeline{position:relative;display:flex;flex-direction:column;gap:22px;padding-left:6px;}
.timeline::before{
  content:"";position:absolute;left:29px;top:14px;bottom:14px;width:2px;background:var(--line);
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;}
.tl-dot{
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;z-index:1;
  background:var(--grad);color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 10px 22px rgba(255,107,53,.28);
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
.tl-body h3{margin:0 0 8px;font-size:19px;font-weight:600;color:var(--ink);}
.tl-body p{margin:0;font-size:15px;line-height:1.82;color:var(--muted);}
@media (max-width:640px){
  .timeline::before{left:23px;}
  .tl-item{grid-template-columns:48px 1fr;gap:14px;}
  .tl-dot{width:48px;height:48px;font-size:15px;}
  .tl-body{padding:18px 18px;}
}

/* ============ 玩家反馈 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:1023.98px){.quote-grid{grid-template-columns:1fr;}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stars{display:flex;gap:4px;color:var(--highlight);font-size:14px;}
.quote-card p{margin:0;font-size:15px;line-height:1.85;color:var(--text);}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;}
.quote-avatar{
  width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-weight:700;font-size:14px;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,107,53,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;
  transition:transform .25s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-answer{
  margin:0 24px 22px;padding-left:16px;border-left:3px solid var(--brand);
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
@media (max-width:640px){
  .faq-item summary{padding:18px;font-size:15.5px;}
  .faq-answer{margin:0 18px 18px;padding-left:14px;}
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:32px;
  padding:52px 56px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-130px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.55),transparent 62%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{margin:0 0 12px;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;color:#fff;}
.cta-copy p{margin:0;font-size:16px;line-height:1.85;color:#C9CED8;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
@media (max-width:1023.98px){
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:640px){
  .cta-band{padding:32px 22px;border-radius:26px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
}

/* ============ 页脚 ============ */
.site-footer{background:#16181D;color:#A7ADB8;padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-text{display:inline-block;color:#fff;font-size:19px;margin-bottom:14px;}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;color:#A7ADB8;max-width:320px;}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:600;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#A7ADB8;font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-contact p{margin:0 0 10px;font-size:14px;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  margin-top:14px;width:104px;height:104px;border-radius:14px;
  border:1px dashed rgba(255,255,255,.22);display:grid;place-items:center;
  text-align:center;font-size:12px;line-height:1.6;color:#8A909B;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;
  font-size:13.5px;color:#8A909B;
}
@media (max-width:1023.98px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
}

/* roulang page: category5 */
:root{
    --brand:#FF6B35;
    --brand-deep:#E24E1B;
    --brand-soft:rgba(255,107,53,.10);
    --accent:#10B8A0;
    --highlight:#FFB020;
    --ink:#16181D;
    --text:#3B4049;
    --muted:#6E7480;
    --line:#EFE9E3;
    --bg:#FFF8F3;
    --card:#FFFFFF;
    --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
    --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
    --r-lg:24px;
    --r-md:18px;
    --r-img:20px;
    --r-input:14px;
    --shadow-sm:0 2px 8px rgba(22,24,29,.05);
    --shadow-card:0 10px 28px rgba(22,24,29,.08);
    --shadow-hover:0 18px 40px rgba(255,107,53,.18);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16.5px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
  p{margin:0;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  ul{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;cursor:pointer;border:0;background:none;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
  .section{padding:78px 0;}
  .section-tight{padding:52px 0;}
  .section-head{max-width:760px;margin-bottom:38px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand-deep);
    font-size:13px;font-weight:600;letter-spacing:.3px;
  }
  .section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-top:16px;}
  .section-head p{margin-top:12px;color:var(--muted);font-size:16px;}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;
    font-size:15.5px;font-weight:600;letter-spacing:.2px;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
    white-space:nowrap;
  }
  .btn-sm{height:44px;padding:0 22px;font-size:15px;}
  .btn-primary{
    background:var(--grad);color:#fff;
    box-shadow:0 8px 20px rgba(255,107,53,.28);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,53,.38);}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,107,53,.28);}
  .btn-secondary{
    background:#fff;color:var(--text);border:1px solid var(--line);
  }
  .btn-secondary:hover{color:var(--brand);border-color:rgba(255,107,53,.5);background:var(--brand-soft);transform:translateY(-2px);}
  .btn-ghost{
    background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);
  }
  .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
  .btn:focus-visible,a:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;border-radius:999px;
  }

  /* ===== 徽章 ===== */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;line-height:1.4;
  }
  .badge-cool{background:var(--grad-cool);color:#fff;}
  .badge-warm{background:var(--highlight);color:#3B2A05;}
  .badge-soft{background:var(--brand-soft);color:var(--brand-deep);}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}

  /* ===== 顶部导航 ===== */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,248,243,.9);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.scrolled{box-shadow:var(--shadow-sm);}
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    height:68px;
  }
  .logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;background:var(--grad);
    display:grid;place-items:center;color:#fff;font-size:15px;
    box-shadow:0 6px 16px rgba(255,107,53,.35);
  }
  .nav-pill{
    display:flex;align-items:center;gap:2px;padding:6px;
    border-radius:999px;background:#fff;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);
  }
  .nav-pill a{
    position:relative;padding:8px 14px;border-radius:999px;
    font-size:14.5px;color:var(--muted);transition:.2s ease;
  }
  .nav-pill a:hover{background:var(--brand-soft);color:var(--brand);}
  .nav-pill a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
  .nav-pill a.active::after{
    content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
    width:22px;height:3px;border-radius:999px;background:var(--brand);
  }
  .header-actions{display:flex;align-items:center;gap:12px;}
  .hamburger{
    display:none;width:44px;height:44px;border-radius:14px;
    background:#fff;border:1px solid var(--line);color:var(--ink);font-size:18px;
  }
  .hamburger:hover{background:var(--brand-soft);color:var(--brand);}

  /* ===== 移动抽屉 ===== */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(22,24,29,.5);
    opacity:0;visibility:hidden;transition:.25s ease;z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;
    width:84vw;max-width:360px;background:#fff;z-index:90;
    transform:translateX(105%);transition:transform .28s ease;
    display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{width:40px;height:40px;border-radius:12px;background:var(--bg);color:var(--ink);font-size:16px;}
  .drawer-title{font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.6px;margin:20px 0 8px;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 14px;border-radius:14px;font-size:15.5px;color:var(--text);
  }
  .drawer-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
  .drawer-link.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
  .drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
  .drawer-foot{margin-top:auto;padding-top:22px;font-size:13.5px;color:var(--muted);line-height:1.9;}

  /* ===== Hero ===== */
  .hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:86px 0 76px;}
  .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;}
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(22,24,29,.94) 0%,rgba(22,24,29,.74) 48%,rgba(22,24,29,.62) 100%);
  }
  .hero-glow{
    position:absolute;right:-120px;top:-140px;width:560px;height:560px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,107,53,.42) 0%,rgba(255,107,53,0) 68%);
    pointer-events:none;
  }
  .hero-grid{
    position:absolute;inset:0;opacity:.1;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
    background-size:52px 52px;
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
  .hero h1{
    font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-.5px;
    color:#fff;font-weight:800;margin-top:20px;
  }
  .hero p.lead{margin-top:18px;font-size:17.5px;line-height:1.85;color:#C9CED8;max-width:560px;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-note{margin-top:18px;font-size:13.5px;color:#8E95A3;}
  .hero-panel{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);
    border-radius:28px;padding:26px;
    backdrop-filter:blur(6px);
  }
  .hero-panel h2{color:#fff;font-size:17px;font-weight:600;margin-bottom:6px;}
  .hero-panel .panel-sub{color:#9DA4B2;font-size:13.5px;}
  .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;}
  .stat-card{
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
    border-radius:18px;padding:16px;
  }
  .stat-card .num{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2;}
  .stat-card .num span{font-size:13px;font-weight:600;color:var(--highlight);margin-left:4px;}
  .stat-card .label{display:block;margin-top:6px;font-size:13px;color:#9DA4B2;line-height:1.6;}

  /* ===== 主体栅格 ===== */
  .split{display:grid;grid-template-columns:336px 1fr;gap:36px;align-items:start;}
  .sticky-card{
    position:sticky;top:96px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-card);padding:26px;
  }
  .sticky-card h3{font-size:20px;line-height:1.4;}
  .sticky-card .sub{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.75;}
  .sticky-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
  .sticky-list li{display:flex;gap:10px;font-size:14.6px;line-height:1.7;color:var(--text);}
  .sticky-list i{color:var(--accent);font-size:14px;margin-top:4px;}
  .sticky-card .btn{width:100%;margin-top:24px;}
  .sticky-meta{
    margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
    display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--muted);
  }
  .sticky-meta span strong{color:var(--ink);font-weight:700;}

  /* ===== 内容卡片 ===== */
  .content-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px;box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .content-card + .content-card{margin-top:22px;}
  .content-card:hover{box-shadow:var(--shadow-card);transform:translateY(-2px);border-color:var(--brand-soft);}
  .card-cover{
    border-radius:var(--r-img);overflow:hidden;background:var(--brand-soft);
    aspect-ratio:16/9;position:relative;
  }
  .card-cover img{width:100%;height:100%;object-fit:cover;}

  /* ===== 权益清单布局 ===== */
  .benefit-list{margin-top:26px;border-top:1px solid var(--line);}
  .benefit-item{
    display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
    padding:22px 0;border-bottom:1px solid var(--line);
    transition:background .2s ease;
  }
  .benefit-item:hover{background:rgba(255,107,53,.04);}
  .benefit-icon{
    width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
    background:var(--grad-cool);color:#fff;font-size:20px;
    box-shadow:0 8px 18px rgba(16,184,160,.22);
  }
  .benefit-item h4{font-size:17.5px;font-weight:600;}
  .benefit-item p{margin-top:6px;font-size:14.6px;color:var(--muted);line-height:1.7;}
  .benefit-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
  .benefit-arrow{color:var(--brand);font-size:16px;transition:transform .2s ease;}
  .benefit-item:hover .benefit-arrow{transform:translateX(4px);}

  /* ===== 流程时间线 ===== */
  .timeline{margin-top:30px;position:relative;}
  .timeline::before{
    content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:var(--line);
  }
  .timeline-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;padding-bottom:26px;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-dot{
    position:relative;z-index:2;width:40px;height:40px;border-radius:50%;
    background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
    display:grid;place-items:center;box-shadow:0 8px 18px rgba(255,107,53,.28);
    font-variant-numeric:tabular-nums;
  }
  .timeline-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;}
  .timeline-body h4{font-size:17px;font-weight:600;}
  .timeline-body p{margin-top:8px;font-size:14.8px;color:var(--muted);line-height:1.75;}

  /* ===== 人群卡片 ===== */
  .audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px;}
  .audience-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;transition:.22s ease;
  }
  .audience-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
  .audience-card .ico{
    width:46px;height:46px;border-radius:15px;background:var(--brand-soft);color:var(--brand-deep);
    display:grid;place-items:center;font-size:18px;
  }
  .audience-card h4{margin-top:16px;font-size:17px;font-weight:600;}
  .audience-card p{margin-top:8px;font-size:14.6px;color:var(--muted);line-height:1.72;}

  /* ===== FAQ ===== */
  .faq-list{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{border-color:rgba(255,107,53,.32);box-shadow:var(--shadow-sm);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{
    flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:var(--brand-soft);color:var(--brand-deep);
    display:grid;place-items:center;font-size:13px;transition:transform .22s ease;
  }
  .faq-item[open] summary .plus{transform:rotate(45deg);}
  .faq-answer{padding:0 22px 20px 25px;border-left:3px solid var(--brand);margin-left:22px;}
  .faq-answer p{font-size:15.4px;line-height:1.85;color:var(--text);}

  /* ===== CTA 带 ===== */
  .cta-band{
    position:relative;overflow:hidden;background:var(--ink);border-radius:32px;
    padding:48px 46px;color:#fff;
  }
  .cta-band::after{
    content:"";position:absolute;right:-140px;bottom:-180px;width:460px;height:460px;border-radius:50%;
    background:var(--grad);opacity:.34;
  }
  .cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;}
  .cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
  .cta-band p{margin-top:10px;color:#C9CED8;font-size:15.6px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

  /* ===== 页脚 ===== */
  .site-footer{background:var(--ink);color:#A7ADB8;padding:60px 0 26px;margin-top:78px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand .logo-text{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.3px;}
  .footer-brand p{margin-top:14px;font-size:14.4px;line-height:1.85;color:#A7ADB8;max-width:320px;}
  .footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a{font-size:14.4px;color:#A7ADB8;transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand);}
  .footer-contact p{font-size:14.4px;line-height:2;}
  .footer-contact strong{color:#fff;font-weight:600;}
  .qr{
    margin-top:16px;width:132px;height:132px;border-radius:16px;
    background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.24);
    display:grid;place-items:center;text-align:center;
    font-size:12.5px;line-height:1.7;color:#8E95A3;padding:10px;
  }
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13.5px;color:#8E95A3;
  }

  /* ===== 响应式 ===== */
  @media (max-width:1180px){
    .nav-pill a{padding:8px 11px;font-size:13.8px;}
  }
  @media (max-width:1023px){
    .nav-pill{display:none;}
    .hamburger{display:grid;place-items:center;}
    .header-actions .btn-primary{display:none;}
    .hero-inner{grid-template-columns:1fr;gap:38px;}
    .hero{padding:70px 0 62px;}
    .split{grid-template-columns:1fr;gap:26px;}
    .sticky-card{position:static;}
    .audience-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }
  @media (max-width:767px){
    .container{padding:0 20px;}
    .section{padding:54px 0;}
    .section-tight{padding:40px 0;}
    .hero{padding:56px 0 52px;}
    .hero p.lead{font-size:16.4px;}
    .stat-grid{grid-template-columns:1fr 1fr;gap:10px;}
    .stat-card .num{font-size:22px;}
    .benefit-item{grid-template-columns:48px 1fr;gap:14px;padding:18px 0;}
    .benefit-icon{width:48px;height:48px;border-radius:15px;font-size:17px;}
    .benefit-arrow{display:none;}
    .audience-grid{grid-template-columns:1fr;}
    .cta-band{padding:34px 24px;border-radius:24px;}
    .cta-band-inner{flex-direction:column;align-items:flex-start;gap:24px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    .timeline-body{padding:16px 18px;}
  }
  @media (max-width:520px){
    body{font-size:16px;}
    .hero-cta{flex-direction:column;align-items:stretch;}
    .hero-cta .btn{width:100%;}
    .sticky-card,.content-card{padding:20px;border-radius:20px;}
    .content-card + .content-card{margin-top:16px;}
    .cta-actions{width:100%;flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .faq-item summary{padding:16px 18px;font-size:15.6px;}
    .faq-answer{margin-left:16px;padding:0 18px 18px 18px;}
  }

/* roulang page: category4 */
:root{
  --brand:#FF6B35;
  --brand-deep:#E24E1B;
  --brand-soft:rgba(255,107,53,.10);
  --accent:#10B8A0;
  --highlight:#FFB020;
  --ink:#16181D;
  --text:#3B4049;
  --muted:#6E7480;
  --line:#EFE9E3;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF6B35 0%,#FF9A3C 55%,#FFC93C 100%);
  --grad-cool:linear-gradient(120deg,#10B8A0,#3ED6C0);
  --shadow-sm:0 2px 8px rgba(22,24,29,.05);
  --shadow-card:0 10px 28px rgba(22,24,29,.08);
  --shadow-hover:0 18px 40px rgba(255,107,53,.18);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-img:20px;
  --radius-input:14px;
  --container:1200px;
}

/* ---------- 基础 ---------- */
.site-body{
  margin:0;
  padding:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body img{max-width:100%;display:block;height:auto;}
.site-body a{color:inherit;text-decoration:none;transition:color .2s ease;}
.site-body ul{list-style:none;margin:0;padding:0;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;}
.site-body button{font-family:inherit;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,243,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.3px;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 14px rgba(255,107,53,.28);flex:none;
}
.logo-text{white-space:nowrap;}
.logo:hover .logo-text{color:var(--brand-deep);}

.nav-pill{
  display:flex;align-items:center;gap:4px;padding:6px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.nav-pill a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-pill a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,29,.5);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:100;
  transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;
  box-shadow:-20px 0 50px rgba(22,24,29,.18);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;color:var(--muted);line-height:1;}
.drawer-nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;}
.drawer-nav a{padding:11px 14px;border-radius:14px;font-size:15px;color:var(--text);font-weight:500;}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700;}
.drawer-foot{margin-top:auto;padding:18px 20px 26px;border-top:1px solid var(--line);}
.drawer-foot p{font-size:13px;color:var(--muted);margin-bottom:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,107,53,.26);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{height:44px;padding:0 22px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:focus-visible,.nav-pill a:focus-visible,.site-body a:focus-visible,.drawer-close:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:999px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;font-size:13.5px;color:var(--muted);}
.breadcrumb li{padding:0;}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:#C9CEDA;}
.breadcrumb .current{color:var(--text);}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:26px 0 74px;background:linear-gradient(180deg,#FFF1E6 0%,#FFF8F3 100%);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,107,53,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,147,60,.30),rgba(255,147,60,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.4px;box-shadow:var(--shadow-sm);
}
.hero-title{
  margin-top:20px;font-size:clamp(30px,4.2vw,48px);line-height:1.2;font-weight:800;
  color:var(--ink);letter-spacing:-.6px;
}
.hero-sub{margin-top:18px;font-size:17.5px;line-height:1.85;color:var(--muted);max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-side{display:flex;flex-direction:column;gap:14px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
}
.stat-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.stat-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;}
.stat-item{background:#FFFBF8;border:1px solid var(--line);border-radius:16px;padding:14px;}
.stat-num{font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.5;}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.4;white-space:nowrap;
}
.badge-cool{background:var(--grad-cool);color:#fff;}
.badge-warm{background:rgba(255,176,32,.18);color:#8A5A00;}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.4px;}
.section-desc{margin-top:14px;font-size:16.5px;color:var(--muted);line-height:1.85;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 对比表 ---------- */
.compare-wrap{
  border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-card);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
.compare-table{width:100%;border-collapse:collapse;font-size:15px;min-width:900px;}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{
  background:#FFF1E7;color:var(--ink);font-weight:700;font-size:15px;white-space:nowrap;
}
.compare-table thead th:first-child{color:var(--brand-deep);}
.compare-table tbody tr{transition:background .2s ease;}
.compare-table tbody tr:hover{background:#FFFCFA;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table .row-label{font-weight:700;color:var(--ink);background:#FFFDFB;white-space:nowrap;}
.compare-table td{color:var(--text);}
.compare-cards{display:none;gap:16px;grid-template-columns:1fr;}

.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.compare-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.compare-card-head h3{font-size:17px;font-weight:700;color:var(--ink);}
.compare-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px;}
.compare-row:last-child{border-bottom:none;}
.compare-row dt{color:var(--muted);flex:none;}
.compare-row dd{margin:0;color:var(--text);text-align:right;font-weight:500;}

/* ---------- 图文交错 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-copy{order:1;}
.feature-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-card);background:var(--brand-soft);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);}
.feature-copy{max-width:520px;}
.num-chip{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;
  background:var(--grad-cool);color:#fff;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(16,184,160,.28);
}
.feature-copy h3{margin-top:18px;font-size:22px;font-weight:700;color:var(--ink);line-height:1.4;}
.feature-copy p{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.85;}
.tick-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--brand-soft);border:3px solid var(--accent);
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,.28);}
.scene-icon{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;
}
.scene-card h3{margin-top:16px;font-size:18px;font-weight:700;color:var(--ink);}
.scene-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 步骤 ---------- */
.steps{position:relative;padding-left:8px;}
.step-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:30px;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;background:var(--line);
}
.step-item:last-child::before{display:none;}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  box-shadow:0 10px 20px rgba(255,107,53,.26);font-variant-numeric:tabular-nums;flex:none;
}
.step-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 26px;box-shadow:var(--shadow-sm);}
.step-body h3{font-size:19px;font-weight:700;color:var(--ink);}
.step-body p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item:hover{border-color:rgba(255,107,53,.28);}
.faq-item.open{box-shadow:var(--shadow-card);border-color:rgba(255,107,53,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  padding:0 24px 22px 24px;font-size:15.5px;color:var(--muted);line-height:1.85;
  border-left:3px solid var(--brand);margin-left:24px;padding-left:18px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:32px;
  padding:52px 48px;color:#fff;
}
.cta-glow{
  position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.55),rgba(255,107,53,0) 68%);
  pointer-events:none;
}
.cta-glow-2{
  position:absolute;left:-100px;top:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,184,160,.38),rgba(16,184,160,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;letter-spacing:-.4px;}
.cta-sub{margin-top:12px;color:#C9CED8;font-size:16px;max-width:520px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16181D;color:#A7ADB8;padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A7ADB8;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.5px;color:#A7ADB8;}
.footer-col a:hover{color:var(--brand);}
.footer-contact p{font-size:14.5px;line-height:1.9;margin-bottom:6px;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  margin-top:14px;width:118px;height:118px;border-radius:18px;
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.6;color:#C9CED8;padding:10px;
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8C93A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-pill a{padding:8px 11px;font-size:13.5px;}
}
@media (max-width:1023px){
  .nav-pill{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:24px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .feature-row.reverse .feature-copy{order:0;}
  .feature-copy{max-width:none;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:60px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-actions .btn{display:none;}
  .page-hero{padding:14px 0 54px;}
  .hero-title{font-size:30px;}
  .compare-scroll{display:none;}
  .compare-cards{display:grid;}
  .scene-grid{grid-template-columns:1fr;}
  .stat-list{grid-template-columns:1fr 1fr;}
  .cta-band{padding:36px 24px;border-radius:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .step-item{grid-template-columns:44px 1fr;gap:14px;}
  .step-num{width:44px;height:44px;font-size:16px;}
  .step-item::before{left:21px;top:46px;}
  .step-body{padding:18px 20px;}
  .section{padding:48px 0;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{margin-left:18px;padding:0 18px 20px 14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:420px){
  .stat-list{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
}