/* roulang page: index */
:root{
      --bg:#f7f8fb;
      --surface:#ffffff;
      --surface-2:#f2f5fa;
      --ink:#0b1020;
      --text:#1f2937;
      --muted:#667085;
      --weak:#98a2b3;
      --line:#e7eaf0;
      --brand:#ff4d2e;
      --brand-2:#ff7a45;
      --amber:#ffb020;
      --cyan:#18c7d9;
      --green:#15b981;
      --purple:#7c3aed;
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:32px;
      --shadow:0 18px 50px rgba(15,23,42,.10);
      --shadow-soft:0 10px 28px rgba(15,23,42,.07);
      --shadow-hot:0 24px 70px rgba(255,77,46,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","微软雅黑",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(255,77,46,.12), transparent 34%),
        radial-gradient(circle at 92% 8%, rgba(24,199,217,.13), transparent 30%),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 42%,#ffffff 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(255,77,46,.18);color:var(--ink)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(231,234,240,.86);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--ink);
      transition:transform .22s ease,color .22s ease;
    }
    .brand-logo:hover{transform:translateY(-1px);color:var(--brand)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        linear-gradient(135deg,var(--brand),var(--amber) 55%,var(--cyan));
      box-shadow:0 14px 35px rgba(255,77,46,.26);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:-20%;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
      transform:rotate(25deg) translateX(-120%);
      transition:transform .65s ease;
    }
    .brand-logo:hover .brand-mark::after{transform:rotate(25deg) translateX(120%)}
    .brand-name{font-size:20px}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-home{
      display:none;
      font-size:14px;
      font-weight:800;
      color:var(--muted);
      padding:10px 12px;
      border-radius:999px;
      transition:background .2s ease,color .2s ease;
    }
    .nav-home:hover,.nav-home.active{background:var(--surface-2);color:var(--ink)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible,.field:focus-visible,.coupon-chip:focus-visible,.footer-link:focus-visible{
      outline:3px solid rgba(24,199,217,.35);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 15px 38px rgba(255,77,46,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(255,77,46,.34)}
    .btn-primary:active{transform:translateY(0) scale(.98)}
    .btn-dark{
      color:#fff;
      background:#101828;
      box-shadow:0 14px 32px rgba(16,24,40,.18);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#050816}
    .btn-ghost{
      color:var(--ink);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(255,77,46,.35);color:var(--brand)}
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,77,46,.09);
      color:#d83418;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(255,77,46,.16);
    }
    .eyebrow.dark{
      background:rgba(255,255,255,.1);
      color:#fff;
      border-color:rgba(255,255,255,.18);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:32px;
    }
    .section-title{
      margin:14px 0 0;
      color:var(--ink);
      font-size:clamp(28px,4vw,46px);
      line-height:1.16;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .section-desc{
      max-width:620px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }
    .hero{
      padding:54px 0 74px;
      overflow:hidden;
    }
    .hero-stage{
      border-radius:40px;
      min-height:610px;
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(11,16,32,.94),rgba(24,30,49,.84)),
        radial-gradient(circle at 20% 20%,rgba(255,77,46,.62),transparent 35%),
        radial-gradient(circle at 86% 26%,rgba(24,199,217,.5),transparent 30%),
        #0b1020;
      box-shadow:0 28px 90px rgba(11,16,32,.26);
      isolation:isolate;
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.22));
      z-index:-2;
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-140px;
      top:-180px;
      background:radial-gradient(circle,rgba(255,176,32,.26),transparent 62%);
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      align-items:stretch;
      padding:42px;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:520px;
      gap:28px;
    }
    .hero h1{
      margin:20px 0 0;
      font-size:clamp(38px,6.5vw,76px);
      line-height:1.05;
      letter-spacing:-.065em;
      font-weight:950;
      color:#fff;
      max-width:760px;
    }
    .hero-lead{
      margin:22px 0 0;
      max-width:680px;
      color:rgba(255,255,255,.78);
      font-size:18px;
      line-height:1.95;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
      align-items:center;
    }
    .hero-note{
      margin-top:16px;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:auto;
    }
    .metric-pill{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
    }
    .metric-pill strong{
      display:block;
      font-size:26px;
      line-height:1.15;
      color:#fff;
      font-weight:950;
    }
    .metric-pill span{
      display:block;
      margin-top:6px;
      font-size:13px;
      color:rgba(255,255,255,.62);
    }
    .coupon-wall{
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
      align-content:center;
      min-height:520px;
    }
    .main-coupon{
      position:relative;
      border-radius:34px;
      padding:30px;
      background:
        linear-gradient(135deg,#fff 0%,#fff7ed 48%,#e0fbff 100%);
      color:var(--ink);
      box-shadow:var(--shadow-hot);
      overflow:hidden;
    }
    .main-coupon::before,.main-coupon::after{
      content:"";
      position:absolute;
      top:50%;
      width:30px;
      height:30px;
      margin-top:-15px;
      border-radius:50%;
      background:#151b2d;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .main-coupon::before{left:-15px}
    .main-coupon::after{right:-15px}
    .coupon-top{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
      padding-bottom:22px;
      border-bottom:1px dashed rgba(102,112,133,.32);
    }
    .coupon-value{
      font-size:clamp(54px,7vw,88px);
      line-height:.92;
      letter-spacing:-.07em;
      font-weight:950;
      color:var(--brand);
    }
    .coupon-value small{
      font-size:24px;
      letter-spacing:0;
      margin-right:4px;
    }
    .coupon-label{
      display:inline-flex;
      align-items:center;
      padding:8px 10px;
      border-radius:999px;
      background:#111827;
      color:#fff;
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .coupon-title{
      margin:22px 0 6px;
      font-size:28px;
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .coupon-text{color:var(--muted);font-size:15px;line-height:1.8;margin:0}
    .coupon-bottom{
      margin-top:22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
    }
    .coupon-code{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:14px;
      background:rgba(255,77,46,.08);
      color:#c83218;
      font-weight:950;
      font-size:14px;
    }
    .coupon-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .mini-coupon{
      padding:18px;
      border-radius:24px;
      color:#fff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .22s ease, background .22s ease, border-color .22s ease;
    }
    .mini-coupon:hover{
      transform:translateY(-3px);
      background:rgba(255,255,255,.13);
      border-color:rgba(255,255,255,.26);
    }
    .mini-coupon b{display:block;font-size:24px;line-height:1.15}
    .mini-coupon span{display:block;margin-top:8px;color:rgba(255,255,255,.65);font-size:13px;line-height:1.65}
    .progress-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .progress-top{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:center;
    }
    .progress-track{
      height:20px;
      border-radius:999px;
      background:#eef2f7;
      overflow:hidden;
      box-shadow:inset 0 1px 2px rgba(15,23,42,.06);
    }
    .progress-fill{
      height:100%;
      width:72%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--brand),var(--amber),var(--cyan));
      position:relative;
    }
    .progress-fill::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
      animation:shine 2.4s linear infinite;
    }
    @keyframes shine{
      0%{transform:translateX(-100%)}
      100%{transform:translateX(100%)}
    }
    .progress-numbers{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:22px;
    }
    .number-box{
      border-radius:20px;
      padding:18px;
      background:var(--surface-2);
      border:1px solid rgba(231,234,240,.78);
    }
    .number-box strong{
      display:block;
      color:var(--ink);
      font-size:30px;
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .number-box span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .goal-panel{
      border-radius:26px;
      padding:24px;
      color:#fff;
      background:
        radial-gradient(circle at 100% 0%,rgba(24,199,217,.45),transparent 38%),
        linear-gradient(135deg,#121827,#20283f);
    }
    .goal-list{display:grid;gap:12px;margin-top:18px}
    .goal-item{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.74);
      font-size:14px;
    }
    .goal-item:last-child{border-bottom:0}
    .goal-item b{color:#fff}
    .tier-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
    }
    .coupon-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
      font-weight:850;
      transition:color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }
    .coupon-chip:hover,.coupon-chip.active{
      color:var(--brand);
      border-color:rgba(255,77,46,.28);
      box-shadow:0 12px 28px rgba(255,77,46,.10);
      transform:translateY(-1px);
    }
    .tier-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      align-items:stretch;
    }
    .tier-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:30px;
      padding:26px;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .tier-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow);
      border-color:rgba(255,77,46,.26);
    }
    .tier-card.featured{
      color:#fff;
      background:
        radial-gradient(circle at 90% 10%,rgba(255,176,32,.34),transparent 36%),
        linear-gradient(135deg,#111827,#252b42);
      border-color:rgba(255,255,255,.16);
      box-shadow:0 24px 60px rgba(17,24,39,.22);
    }
    .tier-card.featured .tier-desc,.tier-card.featured .tier-list li,.tier-card.featured .price-note{color:rgba(255,255,255,.68)}
    .tier-card.featured .tier-name,.tier-card.featured .tier-price{color:#fff}
    .tier-badge{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,77,46,.1);
      color:#d83418;
      font-size:12px;
      font-weight:950;
    }
    .tier-card.featured .tier-badge{background:rgba(255,255,255,.12);color:#fff}
    .tier-name{margin:18px 0 8px;font-size:24px;font-weight:950;color:var(--ink);letter-spacing:-.03em}
    .tier-desc{margin:0;color:var(--muted);font-size:15px;line-height:1.8;min-height:54px}
    .tier-price{margin:22px 0 0;color:var(--ink);font-size:40px;font-weight:950;letter-spacing:-.05em}
    .tier-price small{font-size:14px;color:var(--weak);font-weight:800;letter-spacing:0}
    .price-note{margin:4px 0 18px;color:var(--weak);font-size:13px}
    .tier-list{display:grid;gap:11px;margin:0 0 22px;padding:0;list-style:none}
    .tier-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .tier-list li::before{
      content:"✓";
      flex:0 0 auto;
      width:20px;height:20px;
      display:grid;place-items:center;
      border-radius:50%;
      background:rgba(21,185,129,.12);
      color:var(--green);
      font-size:12px;
      font-weight:950;
      margin-top:2px;
    }
    .wall-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:stretch;
    }
    .brand-wall{
      border-radius:var(--radius-lg);
      background:#111827;
      color:#fff;
      padding:30px;
      overflow:hidden;
      position:relative;
      box-shadow:0 22px 58px rgba(17,24,39,.18);
    }
    .brand-wall::after{
      content:"";
      position:absolute;
      width:240px;height:240px;
      right:-88px;bottom:-88px;
      background:radial-gradient(circle,rgba(24,199,217,.22),transparent 70%);
    }
    .logo-cloud{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:24px;
      position:relative;
      z-index:1;
    }
    .cloud-item{
      min-height:76px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.11);
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:16px;
      transition:transform .2s ease,background .2s ease;
    }
    .cloud-item:hover{transform:translateY(-3px);background:rgba(255,255,255,.12)}
    .cloud-item b{font-size:17px}
    .cloud-item span{font-size:12px;color:rgba(255,255,255,.58);margin-top:4px}
    .case-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .case-card,.article-card,.guarantee-card,.faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:26px;
      box-shadow:var(--shadow-soft);
    }
    .case-card{
      padding:24px;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(24,199,217,.22)}
    .case-score{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      margin-bottom:16px;
    }
    .score-num{
      font-size:34px;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.05em;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:var(--surface-2);
      color:var(--muted);
      font-size:12px;
      font-weight:900;
      border:1px solid rgba(231,234,240,.8);
    }
    .case-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .news-layout{
      display:grid;
      grid-template-columns:1.14fr .86fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .news-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
      transition:background .2s ease,color .2s ease;
    }
    .news-link:last-child{border-bottom:0}
    .news-link:hover{background:#fff7f4;color:var(--brand)}
    .news-date{
      color:var(--weak);
      font-size:13px;
      font-weight:900;
      min-width:54px;
    }
    .news-title{font-weight:900;color:var(--ink);line-height:1.5}
    .news-link:hover .news-title{color:var(--brand)}
    .news-summary{display:block;color:var(--muted);font-weight:500;font-size:13px;margin-top:4px;line-height:1.6}
    .arrow{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--surface-2);
      color:var(--muted);
      transition:transform .2s ease,background .2s ease,color .2s ease;
    }
    .news-link:hover .arrow{transform:translateX(3px);background:var(--brand);color:#fff}
    .article-card{padding:26px}
    .quote{
      margin:0;
      padding:22px;
      border-radius:22px;
      background:
        linear-gradient(135deg,rgba(255,77,46,.08),rgba(24,199,217,.08));
      color:var(--ink);
      font-size:18px;
      line-height:1.85;
      font-weight:800;
      position:relative;
    }
    .quote::before{
      content:"“";
      display:block;
      color:var(--brand);
      font-size:44px;
      line-height:.75;
      font-weight:950;
    }
    .recommend-list{display:grid;gap:12px;margin-top:18px}
    .recommend-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .recommend-item:last-child{border-bottom:0}
    .recommend-item b{color:var(--ink)}
    .guarantee-strip{
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,#ffffff,#f6fbff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:26px;
    }
    .guarantee-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .guarantee-card{
      padding:22px;
      box-shadow:none;
      background:rgba(255,255,255,.78);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .guarantee-card:hover{transform:translateY(-4px);border-color:rgba(255,77,46,.22);background:#fff}
    .icon-dot{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(255,77,46,.1);
      color:var(--brand);
      font-weight:950;
      margin-bottom:14px;
    }
    .guarantee-card h3{margin:0;color:var(--ink);font-size:18px;font-weight:950}
    .guarantee-card p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
    .support-section{
      padding:86px 0 94px;
    }
    .support-panel{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      border-radius:40px;
      padding:30px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 15%,rgba(255,77,46,.36),transparent 34%),
        radial-gradient(circle at 92% 16%,rgba(24,199,217,.3),transparent 32%),
        linear-gradient(135deg,#0b1020,#171f34 58%,#101828);
      box-shadow:0 28px 90px rgba(11,16,32,.25);
      overflow:hidden;
    }
    .support-copy{padding:20px 10px 20px 10px}
    .support-copy h2{
      margin:16px 0 0;
      font-size:clamp(30px,4.8vw,56px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:950;
      color:#fff;
    }
    .support-copy p{
      margin:16px 0 0;
      color:rgba(255,255,255,.72);
      line-height:1.9;
      font-size:16px;
    }
    .support-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .form-card{
      background:rgba(255,255,255,.96);
      color:var(--text);
      border-radius:30px;
      padding:26px;
      box-shadow:0 24px 70px rgba(0,0,0,.18);
    }
    .form-title{margin:0;color:var(--ink);font-size:24px;font-weight:950;letter-spacing:-.03em}
    .form-desc{margin:8px 0 18px!important;color:var(--muted)!important;font-size:14px!important;line-height:1.75!important}
    .lead-form{display:grid;gap:14px}
    .field{
      width:100%;
      min-height:48px;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:var(--ink);
      padding:13px 14px;
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field:hover{border-color:#cfd6e3}
    .field:focus{
      border-color:rgba(255,77,46,.55);
      box-shadow:0 0 0 4px rgba(255,77,46,.1);
    }
    textarea.field{min-height:108px;resize:vertical}
    .privacy-note{
      color:var(--muted);
      font-size:12px;
      line-height:1.65;
      margin:0;
    }
    .form-message{
      display:none;
      margin-top:12px;
      border-radius:16px;
      padding:12px 14px;
      background:rgba(21,185,129,.1);
      color:#087a53;
      font-size:14px;
      font-weight:800;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:20px;
    }
    .faq-item{
      padding:18px;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
      box-shadow:none;
      color:#fff;
    }
    .faq-item h3{margin:0;font-size:16px;font-weight:950;color:#fff}
    .faq-item p{margin:8px 0 0;color:rgba(255,255,255,.65);font-size:14px;line-height:1.85}
    .site-footer{
      background:#080d19;
      color:rgba(255,255,255,.7);
      padding:50px 0 34px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:20px;
    }
    .footer-text{
      max-width:620px;
      margin:16px 0 0;
      color:rgba(255,255,255,.58);
      line-height:1.9;
    }
    .footer-links{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer-link{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.72);
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .footer-link:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:24px;
      color:rgba(255,255,255,.44);
      font-size:13px;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:45;
      display:none;
      align-items:center;
      gap:10px;
      padding:9px 10px 9px 16px;
      border-radius:999px;
      background:rgba(11,16,32,.88);
      color:#fff;
      box-shadow:0 18px 50px rgba(11,16,32,.24);
      backdrop-filter:blur(16px);
      border:1px solid rgba(255,255,255,.12);
    }
    .floating-cta span{font-size:13px;color:rgba(255,255,255,.72)}
    @media (max-width:1024px){
      .hero-inner,.progress-top,.wall-wrap,.news-layout,.support-panel,.footer-grid{grid-template-columns:1fr}
      .hero-copy,.coupon-wall{min-height:auto}
      .hero-metrics,.progress-numbers{grid-template-columns:repeat(3,1fr)}
      .tier-grid{grid-template-columns:1fr}
      .guarantee-grid{grid-template-columns:repeat(2,1fr)}
      .section-head{align-items:flex-start;flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header{position:sticky}
      .nav-wrap{height:66px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-name{font-size:18px}
      .nav-home{display:none}
      .btn{min-height:42px;padding:11px 15px;font-size:14px}
      .hero{padding:28px 0 54px}
      .hero-stage{border-radius:28px;min-height:auto}
      .hero-inner{padding:24px;gap:24px}
      .hero h1{font-size:clamp(34px,11vw,52px)}
      .hero-lead{font-size:16px;line-height:1.85}
      .hero-metrics,.progress-numbers,.coupon-grid,.case-grid,.faq-grid{grid-template-columns:1fr}
      .coupon-top,.coupon-bottom{flex-direction:column;align-items:flex-start}
      .main-coupon{padding:24px;border-radius:28px}
      .section{padding:62px 0}
      .section-tight{padding:52px 0}
      .section-title{font-size:clamp(27px,8vw,38px)}
      .section-desc{font-size:15px}
      .progress-card,.brand-wall,.support-panel{border-radius:28px;padding:22px}
      .support-copy{padding:8px 0}
      .form-card{border-radius:24px;padding:22px}
      .news-link{grid-template-columns:1fr auto;gap:12px}
      .news-date{grid-column:1/-1}
      .floating-cta{display:flex;width:calc(100% - 26px);justify-content:space-between}
      body{padding-bottom:76px}
    }
    @media (max-width:520px){
      .nav-actions .btn{padding:10px 12px;font-size:13px}
      .brand-name{max-width:132px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero-actions,.support-actions{flex-direction:column;align-items:stretch}
      .hero-actions .btn,.support-actions .btn,.coupon-bottom .btn{width:100%}
      .coupon-value{font-size:58px}
      .goal-panel{padding:20px;border-radius:22px}
      .guarantee-grid{grid-template-columns:1fr}
      .footer-grid{gap:22px}
      .copyright{flex-direction:column}
    }