/* roulang page: index */
:root{
      --bg:#0b0f19;
      --bg-soft:#111827;
      --surface:#ffffff;
      --surface-2:#f7f4ee;
      --surface-3:#fffaf0;
      --ink:#182033;
      --muted:#667085;
      --muted-2:#98a2b3;
      --line:rgba(24,32,51,.12);
      --line-dark:rgba(255,255,255,.12);
      --primary:#ff6b35;
      --primary-dark:#d94e20;
      --primary-soft:#fff0e8;
      --secondary:#14b8a6;
      --secondary-soft:#e7fffb;
      --gold:#f7b733;
      --danger:#ef4444;
      --success:#16a34a;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 30px rgba(15,23,42,.08);
      --shadow:0 24px 60px rgba(15,23,42,.14);
      --shadow-dark:0 24px 80px rgba(0,0,0,.35);
      --container:1180px;
      --nav-height:76px;
      --ease:all .24s ease;
    }

    *{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 12% 6%, rgba(255,107,53,.15), transparent 34%),
        radial-gradient(circle at 88% 10%, rgba(20,184,166,.12), transparent 30%),
        linear-gradient(180deg,#fffaf2 0%,#ffffff 36%,#f8fafc 100%);
      line-height:1.75;
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(255,107,53,.22);color:#111827}

    .container{
      max-width:var(--container);
      padding-left:20px;
      padding-right:20px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1050;
      background:rgba(255,250,242,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(24,32,51,.08);
      box-shadow:0 8px 30px rgba(15,23,42,.05);
    }

    .navbar{
      min-height:var(--nav-height);
      padding:0;
    }

    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#161b2c;
      white-space:nowrap;
    }

    .brand-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,var(--primary),#ff9f1c 52%,var(--secondary));
      box-shadow:0 12px 30px rgba(255,107,53,.28);
      position:relative;
      overflow:hidden;
    }

    .brand-icon::after{
      content:"";
      position:absolute;
      inset:8px;
      border:2px solid rgba(255,255,255,.55);
      border-radius:10px;
    }

    .brand-icon span{
      position:relative;
      z-index:2;
      font-size:14px;
      font-weight:900;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.12;
    }

    .brand-text strong{font-size:17px}
    .brand-text small{
      font-size:12px;
      color:var(--muted);
      font-weight:700;
      margin-top:3px;
    }

    .navbar-nav{
      gap:8px;
      align-items:center;
    }

    .nav-link{
      color:#293244;
      font-weight:800;
      border-radius:999px;
      padding:10px 16px!important;
      position:relative;
    }

    .nav-link:hover,
    .nav-link:focus{
      color:var(--primary);
      background:rgba(255,107,53,.08);
    }

    .nav-link.active{
      color:#fff!important;
      background:linear-gradient(135deg,var(--primary),#ff8a3d);
      box-shadow:0 10px 24px rgba(255,107,53,.25);
    }

    .navbar-toggler{
      border:1px solid rgba(24,32,51,.12);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }

    .quick-menu{
      position:relative;
      margin-left:10px;
    }

    .quick-trigger{
      border:1px solid rgba(24,32,51,.10);
      background:#fff;
      color:#182033;
      border-radius:999px;
      padding:10px 16px;
      font-weight:800;
      display:flex;
      align-items:center;
      gap:8px;
      box-shadow:0 8px 20px rgba(15,23,42,.06);
      transition:var(--ease);
    }

    .quick-trigger:hover,
    .quick-trigger:focus{
      border-color:rgba(255,107,53,.34);
      color:var(--primary);
      transform:translateY(-1px);
      outline:none;
    }

    .mega-panel{
      position:absolute;
      right:0;
      top:calc(100% + 16px);
      width:430px;
      background:rgba(255,255,255,.96);
      border:1px solid rgba(24,32,51,.10);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:16px;
      opacity:0;
      visibility:hidden;
      transform:translateY(8px);
      transition:var(--ease);
    }

    .quick-menu:hover .mega-panel,
    .quick-menu:focus-within .mega-panel{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }

    .mega-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }

    .mega-card{
      border-radius:18px;
      padding:14px;
      background:linear-gradient(180deg,#fff,#fff7ef);
      border:1px solid rgba(255,107,53,.12);
    }

    .mega-card b{
      display:block;
      font-size:14px;
      margin-bottom:4px;
      color:#1f2937;
    }

    .mega-card span{
      display:block;
      font-size:12px;
      color:var(--muted);
      line-height:1.55;
    }

    .header-cta{
      margin-left:10px;
    }

    .btn-brand,
    .btn-ghost,
    .btn-darkline,
    .btn-soft{
      border-radius:999px;
      padding:12px 20px;
      font-weight:900;
      border:1px solid transparent;
      transition:var(--ease);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      line-height:1.2;
      min-height:46px;
    }

    .btn-brand{
      background:linear-gradient(135deg,var(--primary),#ff9f1c);
      color:#fff;
      box-shadow:0 16px 30px rgba(255,107,53,.28);
    }

    .btn-brand:hover,
    .btn-brand:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(255,107,53,.35);
      outline:none;
    }

    .btn-ghost{
      background:#fff;
      color:#1f2937;
      border-color:rgba(24,32,51,.12);
      box-shadow:0 10px 22px rgba(15,23,42,.05);
    }

    .btn-ghost:hover,
    .btn-ghost:focus{
      color:var(--primary);
      border-color:rgba(255,107,53,.32);
      transform:translateY(-2px);
      outline:none;
    }

    .btn-darkline{
      background:rgba(255,255,255,.08);
      color:#fff;
      border-color:rgba(255,255,255,.18);
    }

    .btn-darkline:hover,
    .btn-darkline:focus{
      color:#fff;
      background:rgba(255,255,255,.14);
      transform:translateY(-2px);
      outline:none;
    }

    .btn-soft{
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-color:rgba(255,107,53,.14);
    }

    .btn-soft:hover,
    .btn-soft:focus{
      background:#ffe2d2;
      color:#9a3412;
      outline:none;
    }

    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:8px 12px;
      font-weight:900;
      font-size:13px;
      color:#9a3412;
      background:rgba(255,107,53,.12);
      border:1px solid rgba(255,107,53,.18);
    }

    .badge-teal{
      color:#0f766e;
      background:rgba(20,184,166,.12);
      border-color:rgba(20,184,166,.18);
    }

    main{position:relative}
    .section{
      padding:86px 0;
      position:relative;
    }

    .section-sm{padding:58px 0}

    .section-title{
      max-width:740px;
      margin-bottom:34px;
    }

    .section-title.center{
      margin-left:auto;
      margin-right:auto;
      text-align:center;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(255,107,53,.14);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:900;
      margin-bottom:14px;
    }

    .section-title h2{
      font-size:clamp(28px,4vw,46px);
      line-height:1.13;
      letter-spacing:-.04em;
      margin:0 0 14px;
      color:#111827;
      font-weight:950;
    }

    .section-title p{
      font-size:17px;
      color:var(--muted);
      margin:0;
      line-height:1.85;
    }

    .hero{
      padding:44px 0 70px;
    }

    .hero-stage{
      position:relative;
      color:#fff;
      border-radius:38px;
      overflow:hidden;
      min-height:610px;
      background:
        linear-gradient(115deg,rgba(5,8,17,.94),rgba(17,24,39,.84) 52%,rgba(255,107,53,.74)),
        radial-gradient(circle at 74% 18%,rgba(247,183,51,.42),transparent 35%),
        radial-gradient(circle at 22% 84%,rgba(20,184,166,.28),transparent 30%),
        #0b0f19;
      box-shadow:var(--shadow-dark);
      border:1px solid rgba(255,255,255,.12);
    }

    .hero-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 80%);
      opacity:.5;
    }

    .hero-inner{
      position:relative;
      z-index:2;
      padding:56px;
    }

    .hero-topline{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-bottom:24px;
    }

    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:8px 13px;
      font-size:13px;
      font-weight:900;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
    }

    .hero h1{
      max-width:900px;
      font-size:clamp(38px,6vw,74px);
      line-height:1.02;
      letter-spacing:-.065em;
      font-weight:1000;
      margin:0 0 20px;
      text-wrap:balance;
    }

    .hero-lead{
      max-width:760px;
      color:rgba(255,255,255,.82);
      font-size:18px;
      line-height:1.9;
      margin:0 0 28px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-bottom:34px;
    }

    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:760px;
    }

    .hero-point{
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
    }

    .hero-point strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      margin-bottom:6px;
    }

    .hero-point span{
      display:block;
      font-size:13px;
      color:rgba(255,255,255,.72);
      line-height:1.5;
    }

    .choice-strip{
      position:relative;
      z-index:3;
      display:grid;
      grid-template-columns:.9fr 1.25fr .9fr;
      gap:18px;
      margin:24px 56px 52px;
      align-items:stretch;
    }

    .choice-card{
      background:rgba(255,255,255,.94);
      color:#182033;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.38);
      padding:24px;
      box-shadow:0 18px 50px rgba(0,0,0,.18);
      position:relative;
      transition:var(--ease);
    }

    .choice-card:hover{
      transform:translateY(-5px);
      box-shadow:0 28px 70px rgba(0,0,0,.24);
    }

    .choice-card.recommend{
      background:linear-gradient(180deg,#ffffff,#fff2e7);
      border:2px solid rgba(255,159,28,.72);
      transform:translateY(-18px);
    }

    .choice-card.recommend:hover{
      transform:translateY(-24px);
    }

    .choice-tag{
      display:inline-flex;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
      color:#9a3412;
      background:rgba(255,107,53,.12);
      margin-bottom:12px;
    }

    .choice-card h3{
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
      margin:0 0 8px;
    }

    .choice-card p{
      color:var(--muted);
      font-size:14px;
      margin:0 0 18px;
      line-height:1.7;
    }

    .choice-price{
      display:flex;
      align-items:flex-end;
      gap:6px;
      margin-bottom:18px;
    }

    .choice-price b{
      font-size:36px;
      line-height:1;
      letter-spacing:-.04em;
    }

    .choice-price span{
      color:var(--muted);
      font-weight:800;
      margin-bottom:3px;
    }

    .choice-list{
      list-style:none;
      padding:0;
      margin:0 0 20px;
      display:grid;
      gap:10px;
    }

    .choice-list li{
      display:flex;
      gap:9px;
      color:#344054;
      font-size:14px;
    }

    .choice-list li::before{
      content:"✓";
      width:20px;
      height:20px;
      flex:0 0 20px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:12px;
      font-weight:900;
      background:var(--secondary);
      margin-top:2px;
    }

    .tier-wrap{
      display:grid;
      grid-template-columns:1fr 1.2fr;
      gap:24px;
      align-items:start;
    }

    .progress-panel,
    .guide-panel,
    .update-panel,
    .news-panel,
    .side-panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(24,32,51,.10);
      border-radius:28px;
      padding:26px;
      box-shadow:var(--shadow-sm);
    }

    .tier-track{
      display:grid;
      gap:14px;
    }

    .tier-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:16px;
      align-items:center;
      border-radius:22px;
      padding:18px;
      background:#fff;
      border:1px solid rgba(24,32,51,.08);
      transition:var(--ease);
    }

    .tier-item:hover{
      border-color:rgba(255,107,53,.28);
      transform:translateX(4px);
      box-shadow:0 14px 30px rgba(15,23,42,.08);
    }

    .tier-name{
      font-weight:950;
      color:#111827;
    }

    .tier-desc{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .tier-pill{
      border-radius:999px;
      padding:8px 12px;
      color:#0f766e;
      background:rgba(20,184,166,.10);
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }

    .meter{
      height:12px;
      border-radius:999px;
      background:#f1f5f9;
      overflow:hidden;
      margin:18px 0 12px;
    }

    .meter span{
      display:block;
      width:68%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--gold),var(--secondary));
    }

    .compare-section{
      background:
        radial-gradient(circle at 8% 20%,rgba(255,107,53,.13),transparent 28%),
        linear-gradient(180deg,#111827,#0b0f19);
      color:#fff;
      overflow:hidden;
    }

    .compare-section .section-title h2{color:#fff}
    .compare-section .section-title p{color:rgba(255,255,255,.70)}

    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
      align-items:stretch;
    }

    .price-card{
      border-radius:28px;
      padding:26px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 60px rgba(0,0,0,.18);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }

    .price-card:hover{
      transform:translateY(-6px);
      background:rgba(255,255,255,.11);
    }

    .price-card.featured{
      background:linear-gradient(180deg,#fff,#fff1e8);
      color:#111827;
      border-color:rgba(255,159,28,.65);
    }

    .price-card.featured::before{
      content:"推荐";
      position:absolute;
      right:20px;
      top:20px;
      border-radius:999px;
      padding:6px 12px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--gold));
      font-size:12px;
      font-weight:950;
    }

    .price-card h3{
      font-size:24px;
      font-weight:950;
      margin:0 0 8px;
    }

    .price-card .note{
      min-height:52px;
      color:rgba(255,255,255,.66);
      margin-bottom:18px;
      font-size:14px;
    }

    .price-card.featured .note{color:var(--muted)}

    .price-number{
      display:flex;
      align-items:flex-end;
      gap:8px;
      margin-bottom:18px;
    }

    .price-number strong{
      font-size:42px;
      line-height:1;
      letter-spacing:-.05em;
    }

    .price-number span{
      color:inherit;
      opacity:.7;
      font-weight:800;
      margin-bottom:5px;
    }

    .feature-list{
      list-style:none;
      padding:0;
      margin:0 0 22px;
      display:grid;
      gap:12px;
    }

    .feature-list li{
      display:flex;
      gap:10px;
      font-size:14px;
      color:rgba(255,255,255,.76);
    }

    .price-card.featured .feature-list li{color:#344054}

    .feature-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--gold);
      flex:0 0 8px;
      margin-top:10px;
      box-shadow:0 0 0 5px rgba(247,183,51,.14);
    }

    .trust-bar{
      padding:38px 0;
      background:#fff;
      border-top:1px solid rgba(24,32,51,.08);
      border-bottom:1px solid rgba(24,32,51,.08);
    }

    .trust-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }

    .trust-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:18px;
      border-radius:22px;
      background:#fffaf5;
      border:1px solid rgba(255,107,53,.10);
      transition:var(--ease);
    }

    .trust-item:hover{
      background:#fff4e9;
      transform:translateY(-3px);
    }

    .trust-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:#fff;
      color:var(--primary);
      font-weight:950;
      box-shadow:0 10px 22px rgba(255,107,53,.12);
      flex:0 0 42px;
    }

    .trust-item b{
      display:block;
      line-height:1.25;
      margin-bottom:4px;
    }

    .trust-item span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .steps-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:center;
    }

    .step-list{
      display:grid;
      gap:14px;
    }

    .step-item{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(24,32,51,.08);
      box-shadow:0 12px 30px rgba(15,23,42,.05);
      transition:var(--ease);
    }

    .step-item:hover{
      transform:translateY(-4px);
      border-color:rgba(20,184,166,.28);
    }

    .step-no{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--secondary),#0ea5e9);
      font-weight:1000;
      box-shadow:0 14px 24px rgba(20,184,166,.22);
    }

    .step-item h3{
      font-size:18px;
      font-weight:950;
      margin:0 0 4px;
    }

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

    .format-board{
      border-radius:32px;
      padding:28px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(17,24,39,.96),rgba(31,41,55,.92)),
        radial-gradient(circle at 90% 10%,rgba(20,184,166,.25),transparent 26%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .format-board h3{
      font-size:26px;
      font-weight:950;
      margin:0 0 16px;
    }

    .format-row{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.76);
    }

    .format-row:last-child{border-bottom:0}
    .format-row b{color:#fff}

    .update-timeline{
      position:relative;
      display:grid;
      gap:14px;
    }

    .update-item{
      display:grid;
      grid-template-columns:108px 1fr;
      gap:18px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(24,32,51,.08);
    }

    .update-time{
      color:var(--primary-dark);
      font-weight:950;
      font-size:14px;
    }

    .update-item h3{
      font-size:18px;
      font-weight:950;
      margin:0 0 4px;
    }

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

    .news-layout{
      display:grid;
      grid-template-columns:1.45fr .8fr;
      gap:24px;
      align-items:start;
    }

    .news-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }

    .news-list a{
      display:grid;
      grid-template-columns:96px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(24,32,51,.08);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      transition:var(--ease);
    }

    .news-list a:hover{
      transform:translateX(4px);
      border-color:rgba(255,107,53,.28);
      color:inherit;
      box-shadow:0 18px 36px rgba(15,23,42,.08);
    }

    .news-date{
      color:var(--muted);
      font-size:13px;
      font-weight:900;
    }

    .news-list h3{
      font-size:18px;
      font-weight:950;
      margin:0 0 4px;
      color:#111827;
    }

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

    .news-arrow{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
    }

    .recommend-box{
      border-radius:26px;
      padding:24px;
      color:#fff;
      background:
        linear-gradient(160deg,rgba(255,107,53,.96),rgba(247,183,51,.88)),
        radial-gradient(circle at 88% 16%,rgba(255,255,255,.25),transparent 28%);
      box-shadow:var(--shadow);
    }

    .recommend-box h3{
      font-size:24px;
      font-weight:950;
      margin:0 0 10px;
    }

    .recommend-box p{
      color:rgba(255,255,255,.86);
      margin-bottom:18px;
    }

    .mini-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }

    .mini-list li{
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.16);
      font-size:14px;
      font-weight:800;
    }

    .voice-section{
      padding-top:0;
    }

    .bubble-wall{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }

    .bubble{
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(24,32,51,.08);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }

    .bubble:hover{
      transform:translateY(-5px);
      border-color:rgba(20,184,166,.24);
    }

    .bubble p{
      color:#344054;
      margin:0 0 18px;
      line-height:1.8;
    }

    .user-row{
      display:flex;
      align-items:center;
      gap:12px;
    }

    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      flex:0 0 42px;
    }

    .user-row b{
      display:block;
      line-height:1.2;
    }

    .user-row span{
      display:block;
      color:var(--muted);
      font-size:13px;
    }

    .faq-section{
      background:linear-gradient(180deg,#fff,#fff7ef);
    }

    .accordion{
      display:grid;
      gap:14px;
    }

    .accordion-item{
      border:1px solid rgba(24,32,51,.08)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 30px rgba(15,23,42,.05);
    }

    .accordion-button{
      padding:20px 22px;
      font-weight:950;
      color:#111827;
      background:#fff;
      box-shadow:none!important;
    }

    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:#fff7ef;
    }

    .accordion-button:focus{
      border-color:rgba(255,107,53,.34);
      box-shadow:0 0 0 4px rgba(255,107,53,.12)!important;
    }

    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.85;
    }

    .cta-section{
      padding:82px 0 96px;
    }

    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:40px;
      color:#fff;
      background:
        linear-gradient(135deg,#0b0f19,#182033 52%,#3b1f11),
        radial-gradient(circle at 82% 12%,rgba(255,107,53,.40),transparent 30%);
      box-shadow:var(--shadow-dark);
      border:1px solid rgba(255,255,255,.12);
    }

    .cta-card::before{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      border-radius:50%;
      right:-80px;
      top:-90px;
      background:rgba(255,159,28,.24);
      filter:blur(6px);
    }

    .cta-content{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:30px;
      align-items:center;
    }

    .cta-card h2{
      font-size:clamp(30px,4.6vw,54px);
      line-height:1.12;
      font-weight:1000;
      letter-spacing:-.05em;
      margin:0 0 14px;
    }

    .cta-card p{
      color:rgba(255,255,255,.76);
      margin:0 0 22px;
      font-size:17px;
    }

    .signup-box{
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      border-radius:26px;
      padding:22px;
      backdrop-filter:blur(12px);
    }

    .form-control,
    .form-select{
      border-radius:16px;
      min-height:52px;
      border:1px solid rgba(24,32,51,.12);
      box-shadow:none!important;
      padding:12px 15px;
    }

    .signup-box .form-control,
    .signup-box .form-select{
      background:rgba(255,255,255,.92);
      border-color:rgba(255,255,255,.22);
    }

    .form-control:focus,
    .form-select:focus{
      border-color:rgba(255,107,53,.58);
      box-shadow:0 0 0 4px rgba(255,107,53,.14)!important;
    }

    .form-hint{
      color:rgba(255,255,255,.62);
      font-size:13px;
      margin-top:12px;
      line-height:1.6;
    }

    .site-footer{
      color:rgba(255,255,255,.76);
      background:#080b12;
      padding:52px 0 30px;
      border-top:1px solid rgba(255,255,255,.08);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      color:#fff;
      font-weight:950;
      font-size:18px;
    }

    .footer-brand .brand-icon{
      width:40px;
      height:40px;
    }

    .footer-desc{
      max-width:520px;
      color:rgba(255,255,255,.62);
      margin:0;
      line-height:1.85;
    }

    .footer-col h3{
      color:#fff;
      font-size:16px;
      font-weight:950;
      margin:0 0 14px;
    }

    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }

    .footer-links a{
      color:rgba(255,255,255,.62);
    }

    .footer-links a:hover{
      color:#fff;
      padding-left:3px;
    }

    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:24px;
      color:rgba(255,255,255,.48);
      font-size:14px;
    }

    .floating-cta{
      position:fixed;
      left:50%;
      bottom:20px;
      transform:translateX(-50%);
      z-index:1040;
      display:none;
      align-items:center;
      gap:12px;
      width:min(92vw,560px);
      padding:10px 12px 10px 16px;
      border-radius:999px;
      background:rgba(17,24,39,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 50px rgba(0,0,0,.28);
      backdrop-filter:blur(14px);
    }

    .floating-cta span{
      flex:1;
      font-size:14px;
      color:rgba(255,255,255,.78);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    @media (max-width: 1199.98px){
      .choice-strip{
        margin-left:34px;
        margin-right:34px;
      }
      .hero-inner{padding:46px}
    }

    @media (max-width: 991.98px){
      :root{--nav-height:68px}
      .navbar-collapse{
        padding:14px 0 18px;
      }
      .navbar-nav{
        align-items:stretch;
        gap:6px;
      }
      .quick-menu,
      .header-cta{
        margin-left:0;
        margin-top:10px;
      }
      .quick-trigger,
      .header-cta .btn-brand{
        width:100%;
        justify-content:center;
      }
      .mega-panel{
        position:static;
        width:100%;
        margin-top:10px;
        opacity:1;
        visibility:visible;
        transform:none;
        display:none;
      }
      .quick-menu:hover .mega-panel,
      .quick-menu:focus-within .mega-panel{
        display:block;
      }
      .hero-stage{min-height:auto}
      .hero-inner{padding:38px}
      .choice-strip{
        grid-template-columns:1fr;
        margin:0 38px 38px;
      }
      .choice-card.recommend{
        transform:none;
        order:-1;
      }
      .choice-card.recommend:hover{transform:translateY(-5px)}
      .hero-points,
      .pricing-grid,
      .trust-grid,
      .bubble-wall,
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .tier-wrap,
      .steps-grid,
      .news-layout,
      .cta-content{
        grid-template-columns:1fr;
      }
      .section{padding:70px 0}
    }

    @media (max-width: 767.98px){
      .container{padding-left:16px;padding-right:16px}
      .brand-text strong{font-size:15px}
      .brand-text small{display:none}
      .hero{padding:24px 0 54px}
      .hero-stage{border-radius:28px}
      .hero-inner{padding:28px 22px}
      .hero h1{font-size:clamp(34px,12vw,54px)}
      .hero-lead{font-size:16px}
      .hero-actions .btn-brand,
      .hero-actions .btn-ghost,
      .hero-actions .btn-darkline{
        width:100%;
      }
      .hero-points{
        grid-template-columns:1fr;
      }
      .choice-strip{
        margin:0 18px 24px;
      }
      .choice-card{padding:20px}
      .tier-item{
        grid-template-columns:1fr;
        gap:8px;
      }
      .pricing-grid,
      .trust-grid,
      .bubble-wall,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .news-list a{
        grid-template-columns:1fr auto;
      }
      .news-date{
        grid-column:1/-1;
      }
      .update-item{
        grid-template-columns:1fr;
        gap:6px;
      }
      .cta-card{
        padding:28px 20px;
        border-radius:28px;
      }
      .section-title h2{font-size:32px}
      .floating-cta{display:flex}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

    @media (max-width: 520px){
      .mega-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section-sm{padding:42px 0}
      .choice-price b,
      .price-number strong{font-size:34px}
      .trust-item{
        padding:16px;
      }
      .format-row{
        display:grid;
        gap:3px;
      }
      .step-item{
        grid-template-columns:46px 1fr;
      }
      .step-no{
        width:46px;
        height:46px;
        border-radius:16px;
      }
      .footer-grid{
        gap:18px;
      }
    }

/* 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}