/* roulang page: index */
:root{
      --brand:#5b6cff;
      --brand-2:#8a5cf6;
      --accent:#ff7a59;
      --mint:#26d0a8;
      --bg:#f6f8ff;
      --paper:#ffffff;
      --paper-soft:#fbfcff;
      --text:#172033;
      --muted:#667085;
      --weak:#98a2b3;
      --line:#e5e9f5;
      --dark:#11162a;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-sm:0 10px 30px rgba(21,26,68,.07);
      --shadow-md:0 18px 55px rgba(21,26,68,.12);
      --shadow-glow:0 22px 80px rgba(91,108,255,.28);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 5% 5%, rgba(91,108,255,.16), transparent 28%),
        radial-gradient(circle at 95% 12%, rgba(255,122,89,.14), transparent 26%),
        linear-gradient(180deg,#fbfcff 0%,#f6f8ff 42%,#ffffff 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(91,108,255,.22);color:var(--dark)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(229,233,245,.82);
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-shell{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2) 58%,var(--accent));
      box-shadow:0 12px 32px rgba(91,108,255,.32);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:7px;
      border:1px solid rgba(255,255,255,.48);
      border-radius:11px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-text strong{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:310px;
    }
    .brand-text span{
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      margin-top:4px;
    }
    .seg-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(246,248,255,.9);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.85);
    }
    .seg-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      color:#5d667a;
      transition:all .22s ease;
      outline:none;
    }
    .seg-nav a:hover{
      color:var(--brand-700);
      background:#fff;
      box-shadow:0 8px 18px rgba(21,26,68,.08);
    }
    .seg-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 28px rgba(91,108,255,.28);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .mini-search{
      width:210px;
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--weak);
      box-shadow:0 8px 18px rgba(21,26,68,.04);
    }
    .mini-search input{
      width:100%;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      font-size:13px;
    }
    .mini-search input::placeholder{color:#9aa4b7}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      font-size:14px;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible,.seg-nav a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(91,108,255,.22);
      outline-offset:3px;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.99)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 34px rgba(91,108,255,.28);
    }
    .btn-primary:hover{box-shadow:0 18px 42px rgba(91,108,255,.36)}
    .btn-secondary{
      color:var(--brand-700);
      background:#fff;
      border-color:rgba(91,108,255,.18);
      box-shadow:0 12px 28px rgba(21,26,68,.08);
    }
    .btn-secondary:hover{border-color:rgba(91,108,255,.36)}
    .btn-dark{
      color:#fff;
      background:#151a44;
      box-shadow:0 16px 34px rgba(17,22,42,.22);
    }
    .btn-ghost{
      color:#344054;
      background:rgba(255,255,255,.72);
      border-color:rgba(229,233,245,.95);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:5px 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      color:var(--brand-700);
      background:rgba(91,108,255,.1);
      border:1px solid rgba(91,108,255,.16);
    }
    .badge.hot{color:#9b341e;background:rgba(255,122,89,.12);border-color:rgba(255,122,89,.22)}
    .badge.safe{color:#067647;background:rgba(38,208,168,.13);border-color:rgba(38,208,168,.24)}
    .hero{
      position:relative;
      padding:48px 0 34px;
    }
    .hero-stage{
      position:relative;
      min-height:570px;
      border-radius:36px;
      overflow:hidden;
      background:
        linear-gradient(105deg, rgba(17,22,42,.92) 0%, rgba(37,45,103,.76) 42%, rgba(91,108,255,.35) 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1400' height='720' viewBox='0 0 1400 720'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%235b6cff'/%3E%3Cstop offset='.55' stop-color='%238a5cf6'/%3E%3Cstop offset='1' stop-color='%23ff7a59'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1400' height='720' fill='%2311162a'/%3E%3Ccircle cx='1100' cy='155' r='210' fill='url(/%23g)' opacity='.62'/%3E%3Ccircle cx='1180' cy='560' r='285' fill='%235b6cff' opacity='.25'/%3E%3Cpath d='M0 520 C260 410 420 620 710 482 C1000 345 1115 386 1400 240 L1400 720 L0 720Z' fill='%23ffffff' opacity='.08'/%3E%3Cg opacity='.22' fill='none' stroke='%23fff' stroke-width='1'%3E%3Cpath d='M830 120h330a42 42 0 0 1 42 42v196a42 42 0 0 1-42 42H830a42 42 0 0 1-42-42V162a42 42 0 0 1 42-42Z'/%3E%3Cpath d='M900 485h245M900 525h180M900 565h220M790 485h70v70h-70z'/%3E%3C/g%3E%3C/svg%3E");
      background-size:cover;
      background-position:center;
      box-shadow:var(--shadow-glow);
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.28));
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
      min-height:570px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:46px;
      color:#fff;
    }
    .hero-topline{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:16px;
      align-items:center;
    }
    .hero-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 14px;
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(12px);
      font-weight:900;
    }
    .hero-brand i{
      width:10px;height:10px;border-radius:50%;
      background:#26d0a8;
      box-shadow:0 0 0 6px rgba(38,208,168,.16);
    }
    .hero-main{
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(320px, .72fr);
      gap:32px;
      align-items:end;
    }
    .hero h1{
      max-width:760px;
      margin:0;
      font-size:clamp(34px, 5.6vw, 72px);
      line-height:1.03;
      letter-spacing:-.06em;
      font-weight:950;
    }
    .hero-lead{
      max-width:720px;
      margin:22px 0 0;
      color:rgba(255,255,255,.83);
      font-size:clamp(16px, 1.65vw, 20px);
      line-height:1.8;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .hero-panel{
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      border-radius:28px;
      padding:22px;
      box-shadow:0 18px 45px rgba(0,0,0,.18);
    }
    .hero-panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
      font-weight:950;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .metric{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.13);
    }
    .metric strong{
      display:block;
      font-size:28px;
      line-height:1;
      letter-spacing:-.04em;
    }
    .metric span{
      display:block;
      margin-top:8px;
      font-size:12px;
      color:rgba(255,255,255,.72);
    }
    .quality-list{
      margin-top:14px;
      display:grid;
      gap:10px;
    }
    .quality-list li{
      list-style:none;
      display:flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.1);
      color:rgba(255,255,255,.86);
      font-size:13px;
    }
    .quality-list li:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,#26d0a8,#9df7de);
      flex:0 0 auto;
    }
    main section{
      position:relative;
    }
    .section{
      padding:72px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      margin-bottom:8px;
      color:var(--brand-700);
      font-size:13px;
      font-weight:950;
      letter-spacing:.08em;
    }
    .section-title{
      margin:0;
      max-width:760px;
      font-size:clamp(26px, 3.2vw, 42px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:950;
      color:var(--dark);
    }
    .section-desc{
      max-width:520px;
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .countdown-wrap{
      margin-top:16px;
      border-radius:32px;
      background:#fff;
      box-shadow:var(--shadow-md);
      border:1px solid rgba(229,233,245,.92);
      overflow:hidden;
    }
    .countdown-top{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      padding:26px;
      background:linear-gradient(135deg, rgba(91,108,255,.12), rgba(255,122,89,.12));
      border-bottom:1px solid rgba(229,233,245,.9);
      align-items:center;
    }
    .timer{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .timebox{
      min-width:72px;
      padding:12px 10px;
      border-radius:18px;
      text-align:center;
      color:#fff;
      background:linear-gradient(135deg,#151a44,#3543bf);
      box-shadow:0 12px 25px rgba(53,67,191,.24);
    }
    .timebox b{
      display:block;
      font-size:24px;
      line-height:1;
      letter-spacing:-.03em;
    }
    .timebox small{
      display:block;
      margin-top:6px;
      font-size:11px;
      color:rgba(255,255,255,.72);
      font-weight:800;
    }
    .rail{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
      padding:22px;
    }
    .deal-card{
      border:1px solid var(--line);
      border-radius:24px;
      padding:20px;
      background:linear-gradient(180deg,#fff,#fbfcff);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .deal-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(91,108,255,.25);
    }
    .deal-card h3{
      margin:14px 0 8px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .deal-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .stock{
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-size:12px;
      color:#9b341e;
      font-weight:900;
    }
    .stock-bar{
      height:8px;
      border-radius:999px;
      background:#fff0eb;
      overflow:hidden;
      flex:1;
    }
    .stock-bar i{
      display:block;
      height:100%;
      width:38%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--accent),#ffb199);
    }
    .highlight-wall{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .wall-card{
      min-height:210px;
      border-radius:30px;
      padding:26px;
      border:1px solid rgba(229,233,245,.92);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      position:relative;
    }
    .wall-card.featured{
      min-height:452px;
      color:#fff;
      background:
        radial-gradient(circle at 86% 16%, rgba(255,255,255,.24), transparent 24%),
        linear-gradient(135deg,#151a44 0%,#3543bf 58%,#8a5cf6 100%);
    }
    .wall-card.featured:after{
      content:"MP4";
      position:absolute;
      right:-16px;
      bottom:-46px;
      font-size:138px;
      line-height:1;
      font-weight:950;
      color:rgba(255,255,255,.08);
      letter-spacing:-.08em;
    }
    .wall-card h3{
      position:relative;
      z-index:1;
      margin:14px 0 10px;
      font-size:24px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .wall-card p{
      position:relative;
      z-index:1;
      margin:0;
      color:var(--muted);
    }
    .wall-card.featured p{color:rgba(255,255,255,.76)}
    .wall-list{
      position:relative;
      z-index:1;
      margin-top:28px;
      display:grid;
      gap:12px;
    }
    .wall-list span{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      border-radius:17px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.13);
      font-weight:850;
    }
    .wall-side{
      display:grid;
      gap:20px;
    }
    .tag-cloud{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 13px;
      border-radius:999px;
      background:#f4f7ff;
      border:1px solid rgba(91,108,255,.12);
      color:#465170;
      font-size:13px;
      font-weight:850;
      transition:all .22s ease;
    }
    .tag-cloud a:hover{
      color:var(--brand-700);
      transform:translateY(-2px);
      background:#fff;
      box-shadow:0 10px 20px rgba(21,26,68,.08);
    }
    .plans{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      align-items:stretch;
    }
    .plan-card{
      display:flex;
      flex-direction:column;
      border:1px solid var(--line);
      border-radius:30px;
      padding:24px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .plan-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(91,108,255,.26);
    }
    .plan-card.recommended{
      border-color:rgba(91,108,255,.36);
      background:linear-gradient(180deg,#ffffff 0%,#f5f7ff 100%);
      box-shadow:0 20px 60px rgba(91,108,255,.18);
    }
    .plan-name{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
    }
    .plan-name h3{
      margin:0;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .price{
      display:flex;
      align-items:flex-end;
      gap:6px;
      margin:2px 0 10px;
      color:var(--dark);
    }
    .price strong{
      font-size:42px;
      line-height:1;
      letter-spacing:-.05em;
    }
    .price span{color:var(--muted);font-size:13px;font-weight:800}
    .plan-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
    }
    .check-list{
      display:grid;
      gap:12px;
      margin:0 0 22px;
      padding:0;
    }
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:#39445d;
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      width:22px;height:22px;
      display:inline-grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:50%;
      color:#067647;
      background:rgba(38,208,168,.14);
      font-weight:950;
      font-size:12px;
    }
    .plan-card .btn{margin-top:auto;width:100%}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:20px;
    }
    .news-list{
      border:1px solid var(--line);
      border-radius:30px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
      transition:background .22s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f8faff}
    .news-date{
      color:var(--brand-700);
      font-size:13px;
      font-weight:950;
    }
    .news-item h3{
      margin:0 0 6px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .arrow{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      color:var(--brand-700);
      background:#f4f7ff;
      transition:all .22s ease;
    }
    .news-item:hover .arrow{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      transform:translateX(3px);
    }
    .recommend{
      border-radius:30px;
      padding:24px;
      color:#fff;
      background:linear-gradient(145deg,#151a44,#3543bf);
      box-shadow:var(--shadow-md);
      align-self:start;
      position:sticky;
      top:96px;
      overflow:hidden;
    }
    .recommend:after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      border-radius:50%;
      right:-90px;top:-70px;
      background:rgba(255,122,89,.28);
    }
    .recommend h3{
      position:relative;
      z-index:1;
      margin:18px 0 10px;
      font-size:24px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .recommend p{
      position:relative;
      z-index:1;
      margin:0;
      color:rgba(255,255,255,.74);
      font-size:14px;
    }
    .recommend ul{
      position:relative;
      z-index:1;
      margin:20px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .recommend li{
      list-style:none;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.1);
      color:rgba(255,255,255,.86);
      font-size:13px;
    }
    .cta-card{
      border-radius:34px;
      padding:34px;
      background:
        radial-gradient(circle at 88% 18%, rgba(255,255,255,.25), transparent 20%),
        linear-gradient(135deg,#5b6cff 0%,#8a5cf6 58%,#ff7a59 100%);
      box-shadow:var(--shadow-glow);
      color:#fff;
      display:grid;
      grid-template-columns:1fr 440px;
      gap:30px;
      align-items:center;
      overflow:hidden;
    }
    .cta-card h2{
      margin:12px 0 14px;
      font-size:clamp(28px,3.5vw,48px);
      line-height:1.12;
      letter-spacing:-.05em;
      font-weight:950;
    }
    .cta-card p{
      margin:0;
      max-width:690px;
      color:rgba(255,255,255,.78);
    }
    .form-box{
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(16px);
    }
    .field{
      display:grid;
      gap:8px;
      margin-bottom:12px;
    }
    .field label{
      color:rgba(255,255,255,.86);
      font-size:13px;
      font-weight:850;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.18);
      border-radius:16px;
      background:rgba(255,255,255,.94);
      color:var(--text);
      padding:13px 14px;
      outline:0;
      transition:box-shadow .22s ease, border-color .22s ease;
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input:focus,.field textarea:focus{
      border-color:#fff;
      box-shadow:0 0 0 4px rgba(255,255,255,.16);
    }
    .form-note{
      margin-top:12px;
      color:rgba(255,255,255,.72);
      font-size:12px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:22px;
      align-items:start;
    }
    .faq-aside{
      border-radius:30px;
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .faq-aside strong{
      display:block;
      margin-top:12px;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.04em;
      color:var(--dark);
    }
    .faq-aside p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      box-shadow:0 10px 24px rgba(21,26,68,.05);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:950;
      color:var(--dark);
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:30px;height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--brand-700);
      background:#f4f7ff;
      flex:0 0 auto;
      transition:transform .22s ease, background .22s ease, color .22s ease;
    }
    details[open] summary:after{
      content:"−";
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      transform:rotate(180deg);
    }
    details p{
      margin:0;
      padding:0 22px 22px;
      color:var(--muted);
      font-size:14px;
      border-top:1px solid rgba(229,233,245,.72);
      padding-top:16px;
    }
    .site-footer{
      padding:46px 0 30px;
      background:#101528;
      color:#fff;
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      font-size:18px;
      letter-spacing:-.02em;
    }
    .footer-brand .brand-mark{
      width:40px;height:40px;
      box-shadow:none;
    }
    .footer-desc{
      max-width:720px;
      margin:16px 0 0;
      color:rgba(255,255,255,.62);
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.74);
      font-size:13px;
      font-weight:850;
      transition:all .22s ease;
    }
    .footer-links a:hover{
      background:rgba(255,255,255,.13);
      color:#fff;
      transform:translateY(-2px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }
    .mobile-only{display:none}
    @media (max-width:1024px){
      .nav-shell{height:auto;padding:14px 0;align-items:flex-start;flex-wrap:wrap}
      .seg-nav{order:3;width:100%;overflow-x:auto;justify-content:flex-start}
      .mini-search{display:none}
      .hero-main{grid-template-columns:1fr}
      .hero-panel{max-width:620px}
      .countdown-top{grid-template-columns:1fr}
      .highlight-wall,.faq-grid,.cta-card,.news-layout{grid-template-columns:1fr}
      .recommend{position:relative;top:auto}
      .plans,.rail{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .hero{padding:26px 0 22px}
      .hero-stage{border-radius:28px;min-height:auto}
      .hero-content{min-height:auto;padding:28px 20px}
      .hero-main{margin-top:72px}
      .hero-actions .btn{width:100%}
      .metric-grid{grid-template-columns:1fr 1fr}
      .countdown-wrap,.wall-card,.plan-card,.news-list,.recommend,.cta-card,.faq-aside{border-radius:24px}
      .timer{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
      .timebox{min-width:0}
      .countdown-top{padding:20px}
      .rail{padding:16px}
      .plans{gap:14px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .arrow{display:none}
      .cta-card{padding:22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .brand-text strong{max-width:205px;font-size:14px}
      .brand-text span{display:none}
      .nav-actions .btn{display:none}
      .seg-nav a{min-height:36px;padding:0 16px}
      .hero-topline{align-items:flex-start}
      .hero h1{font-size:34px;letter-spacing:-.045em}
      .hero-lead{font-size:15px}
      .metric-grid,.timer{grid-template-columns:1fr 1fr}
      .timebox b{font-size:21px}
      .wall-card{padding:20px}
      .wall-card.featured{min-height:380px}
      .wall-list span{display:block}
      .price strong{font-size:36px}
      summary{padding:18px}
      details p{padding-left:18px;padding-right:18px}
      .mobile-only{display:inline-flex}
    }