/* roulang page: index */
:root{
      --primary:#111827;
      --primary-rgb:17,24,39;
      --accent:#ff6b2c;
      --accent-2:#ffd166;
      --brand:#7c3aed;
      --brand-2:#06b6d4;
      --ink:#141821;
      --muted:#667085;
      --soft:#f6f7fb;
      --soft-2:#eef2ff;
      --white:#ffffff;
      --line:rgba(20,24,33,.11);
      --line-dark:rgba(255,255,255,.16);
      --shadow-sm:0 8px 24px rgba(17,24,39,.08);
      --shadow-md:0 18px 50px rgba(17,24,39,.12);
      --shadow-lg:0 30px 90px rgba(17,24,39,.18);
      --radius-xs:10px;
      --radius-sm:16px;
      --radius-md:24px;
      --radius-lg:34px;
      --container:1180px;
      --section:96px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 2%, rgba(124,58,237,.10), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(6,182,212,.12), transparent 28%),
        linear-gradient(180deg,#ffffff 0%,#fafbff 42%,#ffffff 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s var(--ease)}
    a:hover{color:var(--accent)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0}
    ::selection{background:rgba(255,107,44,.22);color:#111827}

    .container-xl{max-width:var(--container)}
    .section-pad{padding:var(--section) 0}
    .section-pad-sm{padding:72px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      box-shadow:0 6px 20px rgba(17,24,39,.05);
      color:#475467;
      font-size:14px;
      font-weight:700;
      margin-bottom:18px;
    }
    .section-kicker i{color:var(--accent)}
    .section-title{
      font-size:clamp(30px,4vw,52px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.04em;
      margin:0 0 18px;
      color:#101828;
    }
    .section-desc{
      font-size:17px;
      color:var(--muted);
      max-width:760px;
      margin:0;
    }
    .text-gradient{
      background:linear-gradient(105deg,#111827 0%,#7c3aed 48%,#ff6b2c 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1050;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(17,24,39,.08);
      transition:box-shadow .25s var(--ease), background .25s var(--ease);
    }
    .site-header.is-scrolled{
      box-shadow:0 12px 40px rgba(17,24,39,.08);
      background:rgba(255,255,255,.92);
    }
    .navbar{padding:14px 0}
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      letter-spacing:-.03em;
      color:#101828;
      font-size:20px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(255,107,44,1),rgba(124,58,237,1));
      box-shadow:0 12px 26px rgba(124,58,237,.25);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:-40% 20% auto auto;
      width:44px;
      height:88px;
      background:rgba(255,255,255,.26);
      transform:rotate(35deg);
    }
    .navbar-nav{gap:8px}
    .nav-link{
      color:#344054;
      font-weight:800;
      padding:10px 14px!important;
      border-radius:999px;
    }
    .nav-link:hover,.nav-link:focus{
      background:rgba(124,58,237,.08);
      color:#4c1d95;
    }
    .nav-link.active{
      background:#111827;
      color:#fff!important;
      box-shadow:0 10px 24px rgba(17,24,39,.16);
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:10px 12px;
      box-shadow:none!important;
      background:#fff;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:18px;
    }
    .mini-search{
      width:210px;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:9px 13px;
      background:#fff;
      color:#98a2b3;
    }
    .mini-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      font-size:14px;
      color:#344054;
    }
    .mini-search:focus-within{
      border-color:rgba(124,58,237,.45);
      box-shadow:0 0 0 4px rgba(124,58,237,.10);
    }

    .btn-brand,.btn-ghost,.btn-darkline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:13px 20px;
      font-weight:900;
      line-height:1;
      transition:all .24s var(--ease);
      white-space:nowrap;
    }
    .btn-brand{
      color:#fff!important;
      background:linear-gradient(135deg,#ff6b2c,#7c3aed);
      box-shadow:0 14px 32px rgba(255,107,44,.24);
    }
    .btn-brand:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(124,58,237,.28);
      filter:saturate(1.08);
    }
    .btn-ghost{
      color:#111827;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(17,24,39,.07);
    }
    .btn-ghost:hover{
      color:#111827;
      border-color:rgba(255,107,44,.38);
      transform:translateY(-2px);
      box-shadow:0 16px 36px rgba(17,24,39,.10);
    }
    .btn-darkline{
      color:#fff!important;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.22);
    }
    .btn-darkline:hover{
      background:rgba(255,255,255,.18);
      transform:translateY(-2px);
    }
    .btn-brand:focus-visible,.btn-ghost:focus-visible,.btn-darkline:focus-visible,.nav-link:focus-visible{
      outline:4px solid rgba(255,107,44,.22);
      outline-offset:2px;
    }

    .hero{
      position:relative;
      min-height:760px;
      padding:72px 0 92px;
      isolation:isolate;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-3;
      background:
        linear-gradient(112deg,rgba(17,24,39,.96) 0%,rgba(17,24,39,.92) 52%,transparent 52.2%),
        linear-gradient(135deg,#fff7ed 0%,#eef2ff 55%,#ecfeff 100%);
      clip-path:polygon(0 0,100% 0,100% 91%,0 100%);
    }
    .hero::after{
      content:"";
      position:absolute;
      right:-140px;
      top:90px;
      width:560px;
      height:560px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,107,44,.24),transparent 68%);
      z-index:-2;
      animation:floatGlow 8s ease-in-out infinite;
    }
    @keyframes floatGlow{
      0%,100%{transform:translate3d(0,0,0) scale(1)}
      50%{transform:translate3d(-20px,18px,0) scale(1.06)}
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:42px;
      align-items:center;
    }
    .hero-copy{color:#fff;padding-top:24px}
    .hero-badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:8px 12px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      font-weight:800;
      font-size:14px;
    }
    .badge-light{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:8px 12px;
      background:#fff;
      border:1px solid var(--line);
      color:#475467;
      font-weight:800;
      font-size:14px;
    }
    h1{
      font-size:clamp(42px,6.2vw,82px);
      line-height:.98;
      letter-spacing:-.07em;
      font-weight:950;
      margin:0 0 24px;
      max-width:780px;
    }
    .hero-lead{
      font-size:clamp(17px,2vw,21px);
      color:rgba(255,255,255,.78);
      max-width:680px;
      margin:0 0 32px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
      margin-bottom:34px;
    }
    .hero-proof{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .proof-chip{
      min-width:148px;
      padding:16px 18px;
      border-radius:20px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.15);
      backdrop-filter:blur(10px);
    }
    .proof-chip strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:#fff;
      margin-bottom:7px;
      letter-spacing:-.03em;
    }
    .proof-chip span{font-size:13px;color:rgba(255,255,255,.68)}

    .appointment-card{
      position:relative;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(22px);
      border:1px solid rgba(255,255,255,.62);
      border-radius:34px;
      box-shadow:var(--shadow-lg);
      padding:26px;
      overflow:hidden;
    }
    .appointment-card::before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:8px;
      background:linear-gradient(90deg,#ff6b2c,#ffd166,#7c3aed,#06b6d4);
    }
    .appointment-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin:12px 0 22px;
    }
    .appointment-head h2{
      font-size:25px;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 8px;
    }
    .appointment-head p{
      color:var(--muted);
      margin:0;
      font-size:15px;
    }
    .pulse-dot{
      width:13px;height:13px;border-radius:50%;background:#12b76a;
      box-shadow:0 0 0 8px rgba(18,183,106,.12);
      margin-top:9px;
    }
    .time-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin:18px 0;
    }
    .time-slot{
      border:1px solid var(--line);
      border-radius:16px;
      padding:12px 8px;
      text-align:center;
      background:#fff;
      color:#344054;
      cursor:pointer;
      transition:all .22s var(--ease);
      font-weight:900;
    }
    .time-slot small{
      display:block;
      color:#98a2b3;
      font-weight:700;
      margin-top:2px;
    }
    .time-slot:hover{
      transform:translateY(-2px);
      border-color:rgba(255,107,44,.38);
      box-shadow:0 12px 28px rgba(17,24,39,.08);
    }
    .time-slot.active{
      color:#fff;
      background:linear-gradient(135deg,#111827,#7c3aed);
      border-color:transparent;
      box-shadow:0 14px 30px rgba(124,58,237,.22);
    }
    .time-slot.active small{color:rgba(255,255,255,.72)}
    .form-control,.form-select{
      border-radius:16px;
      border:1px solid var(--line);
      padding:13px 14px;
      box-shadow:none!important;
      color:#344054;
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(124,58,237,.48);
      box-shadow:0 0 0 4px rgba(124,58,237,.10)!important;
    }
    .form-hint{
      display:flex;
      gap:9px;
      align-items:flex-start;
      color:#667085;
      font-size:13px;
      margin-top:14px;
    }
    .form-hint i{color:#12b76a;margin-top:4px}
    .appointment-strip{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:18px;
    }
    .strip-item{
      border-radius:18px;
      padding:14px;
      background:linear-gradient(180deg,#f8fafc,#fff);
      border:1px solid var(--line);
    }
    .strip-item b{display:block;color:#101828;margin-bottom:3px}
    .strip-item span{font-size:13px;color:var(--muted)}

    .matrix-band{
      margin-top:-24px;
      position:relative;
      z-index:2;
    }
    .matrix-shell{
      background:#fff;
      border:1px solid var(--line);
      border-radius:34px;
      box-shadow:var(--shadow-md);
      padding:28px;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:14px;
      margin-top:26px;
    }
    .entry-card{
      min-height:154px;
      border-radius:24px;
      padding:20px 16px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(255,255,255,.9),rgba(248,250,252,.92));
      position:relative;
      overflow:hidden;
      transition:all .25s var(--ease);
    }
    .entry-card::after{
      content:"";
      position:absolute;
      inset:auto -28px -36px auto;
      width:96px;height:96px;border-radius:50%;
      background:rgba(124,58,237,.08);
      transition:all .25s var(--ease);
    }
    .entry-card:hover{
      transform:translateY(-5px);
      border-color:rgba(124,58,237,.22);
      box-shadow:0 18px 42px rgba(17,24,39,.10);
    }
    .entry-card:hover::after{transform:scale(1.28);background:rgba(255,107,44,.12)}
    .entry-icon{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,#7c3aed,#06b6d4);
      margin-bottom:18px;
      box-shadow:0 10px 22px rgba(124,58,237,.20);
    }
    .entry-card:nth-child(even) .entry-icon{background:linear-gradient(135deg,#ff6b2c,#ffd166)}
    .entry-card h3{
      font-size:17px;
      font-weight:950;
      letter-spacing:-.02em;
      margin:0 0 7px;
    }
    .entry-card p{font-size:14px;color:var(--muted);margin:0}

    .milestone{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg,#fff 0%,#f7f8ff 100%);
    }
    .milestone-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:44px;
      align-items:start;
    }
    .milestone-panel{
      position:sticky;
      top:104px;
      border-radius:32px;
      background:#111827;
      color:#fff;
      padding:34px;
      overflow:hidden;
      box-shadow:var(--shadow-lg);
    }
    .milestone-panel::after{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:50%;
      right:-88px;bottom:-80px;
      background:radial-gradient(circle,rgba(255,107,44,.42),transparent 70%);
    }
    .milestone-panel h2{
      font-size:clamp(28px,3.5vw,44px);
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.05em;
      margin:0 0 18px;
    }
    .milestone-panel p{color:rgba(255,255,255,.72);margin:0 0 26px}
    .metric-stack{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .metric-box{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      padding:16px;
    }
    .metric-box strong{display:block;font-size:27px;line-height:1;color:#fff;margin-bottom:8px}
    .metric-box span{font-size:13px;color:rgba(255,255,255,.68)}
    .timeline-list{
      display:grid;
      gap:18px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:18px;
      padding:24px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:all .25s var(--ease);
    }
    .timeline-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
    .timeline-date{
      width:68px;height:68px;border-radius:22px;
      display:grid;place-items:center;
      background:#fff7ed;
      color:#c2410c;
      font-weight:950;
      border:1px solid rgba(255,107,44,.18);
    }
    .timeline-item:nth-child(2) .timeline-date{background:#eef2ff;color:#5b21b6;border-color:rgba(124,58,237,.18)}
    .timeline-item:nth-child(3) .timeline-date{background:#ecfeff;color:#0e7490;border-color:rgba(6,182,212,.18)}
    .timeline-item:nth-child(4) .timeline-date{background:#f0fdf4;color:#15803d;border-color:rgba(18,183,106,.18)}
    .timeline-body h3{
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
      margin:0 0 7px;
    }
    .timeline-body p{color:var(--muted);margin:0}

    .news-section{
      background:#111827;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .news-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,rgba(124,58,237,.24),transparent 40%),
        radial-gradient(circle at 88% 20%,rgba(255,107,44,.22),transparent 28%);
      pointer-events:none;
    }
    .news-section .container-xl{position:relative;z-index:1}
    .news-layout{
      display:grid;
      grid-template-columns:1.4fr .82fr;
      gap:26px;
      margin-top:34px;
    }
    .news-list,.recommend-card{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      border-radius:30px;
      backdrop-filter:blur(12px);
      overflow:hidden;
    }
    .news-row{
      display:grid;
      grid-template-columns:116px 1fr auto;
      gap:18px;
      align-items:center;
      padding:22px 24px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .news-row:last-child{border-bottom:0}
    .news-date{
      display:inline-flex;
      flex-direction:column;
      justify-content:center;
      min-height:60px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
      text-align:center;
      color:rgba(255,255,255,.72);
      font-size:13px;
    }
    .news-date b{font-size:22px;color:#fff;line-height:1.1}
    .news-row h3{
      font-size:18px;
      margin:0 0 6px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .news-row p{margin:0;color:rgba(255,255,255,.62);font-size:14px}
    .news-row .arrow{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,255,255,.10);
      color:#fff;
      transition:all .22s var(--ease);
    }
    .news-row:hover{background:rgba(255,255,255,.05)}
    .news-row:hover .arrow{background:#fff;color:#111827;transform:translateX(3px)}
    .recommend-card{padding:26px}
    .recommend-card h3{
      font-size:24px;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 12px;
    }
    .recommend-card p{color:rgba(255,255,255,.66);margin-bottom:20px}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
    }
    .tag-cloud a{
      display:inline-flex;
      border-radius:999px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.84);
      font-weight:800;
      font-size:13px;
    }
    .tag-cloud a:hover{background:#fff;color:#111827}
    .recommend-note{
      border-radius:24px;
      background:linear-gradient(135deg,rgba(255,107,44,.90),rgba(124,58,237,.86));
      padding:22px;
    }
    .recommend-note b{display:block;font-size:20px;margin-bottom:8px}
    .recommend-note span{color:rgba(255,255,255,.78);font-size:14px}

    .steps-section{background:#fff}
    .steps-layout{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:40px;
      align-items:center;
    }
    .step-cards{
      display:grid;
      gap:16px;
      margin-top:28px;
    }
    .step-card{
      display:grid;
      grid-template-columns:56px 1fr;
      gap:16px;
      border:1px solid var(--line);
      border-radius:26px;
      padding:20px;
      background:linear-gradient(180deg,#fff,#fbfcff);
      transition:all .25s var(--ease);
    }
    .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .step-number{
      width:56px;height:56px;border-radius:19px;
      display:grid;place-items:center;
      font-weight:950;
      color:#fff;
      background:#111827;
    }
    .step-card:nth-child(2) .step-number{background:#7c3aed}
    .step-card:nth-child(3) .step-number{background:#ff6b2c}
    .step-card h3{
      font-size:19px;
      font-weight:950;
      letter-spacing:-.03em;
      margin:0 0 6px;
    }
    .step-card p{margin:0;color:var(--muted)}
    .objection-box{
      border-radius:34px;
      padding:28px;
      background:
        linear-gradient(145deg,rgba(255,247,237,.96),rgba(238,242,255,.96));
      border:1px solid rgba(124,58,237,.12);
      box-shadow:var(--shadow-md);
    }
    .objection-box h3{
      font-size:26px;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 18px;
    }
    .quick-answer{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      padding:18px;
      margin-bottom:12px;
    }
    .quick-answer:last-child{margin-bottom:0}
    .quick-answer b{display:block;margin-bottom:6px;color:#101828}
    .quick-answer span{color:var(--muted);font-size:14px}

    .social-section{
      background:
        linear-gradient(180deg,#f7f8ff 0%,#fff 100%);
      overflow:hidden;
    }
    .social-wrap{
      border-radius:36px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
      padding:34px;
    }
    .social-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:30px;
    }
    .social-card{
      border-radius:26px;
      padding:24px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#fbfcff);
      min-height:190px;
      transition:all .25s var(--ease);
    }
    .social-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}
    .stars{color:#f59e0b;letter-spacing:2px;margin-bottom:18px}
    .social-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      letter-spacing:-.05em;
      margin-bottom:12px;
      color:#101828;
    }
    .social-card p{margin:0;color:var(--muted)}
    .logo-wall{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:12px;
      margin-top:16px;
    }
    .logo-pill{
      border-radius:18px;
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      padding:10px;
      background:#f8fafc;
      border:1px solid var(--line);
      color:#475467;
      font-weight:900;
      font-size:14px;
    }

    .guarantee-section{
      position:relative;
      background:#fff;
    }
    .guarantee-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:34px;
    }
    .guarantee-card{
      border-radius:30px;
      padding:28px;
      border:1px solid var(--line);
      background:
        radial-gradient(circle at 90% 0%,rgba(124,58,237,.10),transparent 34%),
        linear-gradient(180deg,#fff,#fbfcff);
      transition:all .25s var(--ease);
      min-height:246px;
    }
    .guarantee-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-md);
      border-color:rgba(124,58,237,.20);
    }
    .guarantee-icon{
      width:54px;height:54px;border-radius:19px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,#111827,#7c3aed);
      margin-bottom:22px;
      box-shadow:0 13px 28px rgba(17,24,39,.16);
    }
    .guarantee-card h3{
      font-size:21px;
      font-weight:950;
      letter-spacing:-.03em;
      margin:0 0 10px;
    }
    .guarantee-card p{color:var(--muted);margin:0 0 18px}
    .check-list{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:9px;
    }
    .check-list li{
      display:flex;
      gap:9px;
      color:#475467;
      font-size:14px;
    }
    .check-list i{color:#12b76a;margin-top:5px}

    .faq-section{
      background:
        linear-gradient(180deg,#fff 0%,#f8fafc 100%);
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:42px;
      align-items:start;
    }
    .faq-aside{
      border-radius:32px;
      padding:30px;
      background:#111827;
      color:#fff;
      position:sticky;
      top:104px;
      box-shadow:var(--shadow-lg);
    }
    .faq-aside h2{
      font-size:34px;
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.05em;
      margin:0 0 16px;
    }
    .faq-aside p{color:rgba(255,255,255,.70);margin:0 0 22px}
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:24px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 22px rgba(17,24,39,.05);
    }
    .accordion-button{
      padding:21px 24px;
      font-weight:950;
      color:#101828;
      background:#fff!important;
      box-shadow:none!important;
      border-radius:24px!important;
    }
    .accordion-button:not(.collapsed){
      color:#5b21b6;
      background:#fbfaff!important;
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(124,58,237,.10)!important}
    .accordion-body{
      color:var(--muted);
      padding:0 24px 24px;
    }

    .app-section{
      position:relative;
      background:#111827;
      color:#fff;
      overflow:hidden;
      padding:98px 0;
    }
    .app-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 8% 15%,rgba(255,107,44,.24),transparent 28%),
        radial-gradient(circle at 90% 28%,rgba(6,182,212,.20),transparent 30%);
    }
    .app-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:48px;
      align-items:center;
    }
    .device-stage{
      border-radius:38px;
      padding:24px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 30px 90px rgba(0,0,0,.22);
      transform:rotate(-1.2deg);
    }
    .dashboard-shot{
      min-height:420px;
      border-radius:28px;
      background:
        linear-gradient(180deg,#ffffff,#f8fafc);
      color:#101828;
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .dash-top{
      display:flex;justify-content:space-between;align-items:center;
      margin-bottom:22px;
    }
    .window-dots{display:flex;gap:7px}
    .window-dots span{width:10px;height:10px;border-radius:50%;background:#ff6b2c}
    .window-dots span:nth-child(2){background:#ffd166}
    .window-dots span:nth-child(3){background:#12b76a}
    .dash-badge{
      border-radius:999px;
      padding:7px 11px;
      background:#eef2ff;
      color:#5b21b6;
      font-size:13px;
      font-weight:900;
    }
    .dash-hero{
      border-radius:24px;
      padding:22px;
      color:#fff;
      background:linear-gradient(135deg,#111827,#7c3aed 62%,#ff6b2c);
      margin-bottom:16px;
    }
    .dash-hero b{
      display:block;font-size:26px;letter-spacing:-.04em;margin-bottom:8px;
    }
    .dash-hero span{color:rgba(255,255,255,.72)}
    .dash-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .dash-card{
      min-height:112px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.08);
      background:#fff;
      padding:16px;
      box-shadow:0 8px 22px rgba(17,24,39,.06);
    }
    .dash-card i{color:#ff6b2c;margin-bottom:12px}
    .dash-card b{display:block;margin-bottom:5px}
    .dash-card span{font-size:13px;color:#667085}
    .qr-row{
      display:flex;
      align-items:center;
      gap:18px;
      margin-top:28px;
      flex-wrap:wrap;
    }
    .qr-box{
      width:118px;height:118px;border-radius:22px;
      background:
        linear-gradient(90deg,#111827 12px,transparent 12px) 0 0/24px 24px,
        linear-gradient(#111827 12px,transparent 12px) 0 0/24px 24px,
        #fff;
      border:10px solid #fff;
      box-shadow:0 18px 40px rgba(0,0,0,.18);
    }
    .app-copy h2{
      font-size:clamp(34px,4.6vw,58px);
      line-height:1.06;
      font-weight:950;
      letter-spacing:-.06em;
      margin:0 0 20px;
    }
    .app-copy p{color:rgba(255,255,255,.70);font-size:17px;margin:0 0 28px}
    .app-feature-list{
      list-style:none;
      padding:0;margin:0 0 30px;
      display:grid;gap:13px;
    }
    .app-feature-list li{
      display:flex;gap:12px;align-items:flex-start;
      color:rgba(255,255,255,.82);
    }
    .app-feature-list i{
      width:25px;height:25px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(18,183,106,.18);
      color:#4ade80;
      margin-top:2px;
      font-size:13px;
    }

    .site-footer{
      background:#0b1220;
      color:#fff;
      padding:48px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      font-size:20px;
      margin-bottom:14px;
    }
    .footer-desc{
      color:rgba(255,255,255,.62);
      max-width:560px;
      margin:0;
    }
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      margin:0;padding:0;
      display:grid;gap:10px;
    }
    .footer-links a{color:rgba(255,255,255,.62)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.08);
      margin-top:36px;
      padding-top:24px;
      color:rgba(255,255,255,.52);
      font-size:14px;
    }

    .float-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:1040;
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 12px 10px 18px;
      border-radius:999px;
      color:#fff;
      background:rgba(17,24,39,.88);
      backdrop-filter:blur(18px);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 18px 60px rgba(17,24,39,.24);
    }
    .float-cta span{font-weight:800;white-space:nowrap}
    .float-cta .btn-brand{padding:11px 16px}

    @media (max-width:1199px){
      .entry-grid{grid-template-columns:repeat(3,1fr)}
      .social-grid{grid-template-columns:repeat(2,1fr)}
      .logo-wall{grid-template-columns:repeat(3,1fr)}
      .mini-search{display:none}
    }
    @media (max-width:991px){
      :root{--section:78px}
      .navbar-collapse{
        margin-top:14px;
        padding:16px;
        border-radius:24px;
        background:#fff;
        border:1px solid var(--line);
        box-shadow:var(--shadow-md);
      }
      .nav-actions{margin:14px 0 0;align-items:stretch;flex-direction:column}
      .hero{min-height:auto;padding:52px 0 76px}
      .hero::before{
        background:linear-gradient(180deg,#111827 0%,#111827 58%,#f8fafc 58.2%,#eef2ff 100%);
        clip-path:polygon(0 0,100% 0,100% 96%,0 100%);
      }
      .hero-grid,.milestone-wrap,.news-layout,.steps-layout,.faq-layout,.app-layout{
        grid-template-columns:1fr;
      }
      .hero-copy{padding-top:8px}
      .appointment-card{max-width:680px;margin:0 auto}
      .milestone-panel,.faq-aside{position:relative;top:auto}
      .guarantee-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .device-stage{transform:none}
    }
    @media (max-width:767px){
      :root{--section:64px}
      .section-pad{padding:64px 0}
      .section-pad-sm{padding:54px 0}
      .hero-actions{align-items:stretch;flex-direction:column}
      .hero-actions a{width:100%}
      .proof-chip{flex:1 1 calc(50% - 10px)}
      .time-grid{grid-template-columns:1fr}
      .appointment-strip{grid-template-columns:1fr}
      .entry-grid{grid-template-columns:1fr 1fr}
      .timeline-item{grid-template-columns:1fr;gap:12px}
      .news-row{grid-template-columns:1fr;gap:12px}
      .news-row .arrow{display:none}
      .metric-stack,.dash-grid{grid-template-columns:1fr}
      .social-grid,.logo-wall{grid-template-columns:1fr}
      .float-cta{width:calc(100% - 24px);justify-content:space-between}
      .float-cta span{font-size:13px;white-space:normal}
    }
    @media (max-width:520px){
      .navbar-brand{font-size:18px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .matrix-shell,.social-wrap{padding:20px;border-radius:26px}
      .entry-grid{grid-template-columns:1fr}
      .appointment-card,.milestone-panel,.objection-box,.faq-aside{border-radius:26px;padding:22px}
      .hero-lead,.section-desc{font-size:16px}
      .proof-chip{flex:1 1 100%}
      .footer-bottom{display:grid}
      .qr-row{align-items:flex-start}
      .float-cta{display:none}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}