/* roulang page: index */
:root{
      --bg:#f5f8fb;
      --bg-soft:#eef6f6;
      --surface:#ffffff;
      --surface-2:#f9fbfc;
      --ink:#10202a;
      --muted:#647481;
      --weak:#8b9aa5;
      --primary:#0f766e;
      --primary-2:#0ea5a3;
      --primary-dark:#0b4f4b;
      --accent:#f59e0b;
      --accent-soft:#fff3d8;
      --blue:#2563eb;
      --danger:#ef4444;
      --line:#dbe5ea;
      --line-strong:#c7d4dc;
      --shadow-sm:0 8px 20px rgba(16,32,42,.08);
      --shadow-md:0 18px 45px rgba(16,32,42,.12);
      --shadow-lg:0 28px 70px rgba(12,44,55,.18);
      --radius-xs:8px;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --nav-h:74px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      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 14% 6%, rgba(14,165,163,.16), transparent 28%),
        radial-gradient(circle at 88% 8%, rgba(245,158,11,.13), transparent 26%),
        linear-gradient(180deg,#f7fbfc 0%,#f2f6f8 46%,#f6f8fb 100%);
      line-height:1.72;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,textarea{outline:none}
    ::selection{background:rgba(15,118,110,.18);color:var(--primary-dark)}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      left:-999px;
      top:12px;
      z-index:999;
      padding:10px 14px;
      background:var(--ink);
      color:#fff;
      border-radius:var(--radius-xs);
    }
    .skip-link:focus{left:12px}

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      height:var(--nav-h);
      backdrop-filter:saturate(160%) blur(16px);
      background:rgba(247,251,252,.86);
      border-bottom:1px solid rgba(219,229,234,.78);
    }
    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--primary-dark);
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-2)),
        linear-gradient(45deg,transparent,rgba(255,255,255,.3));
      box-shadow:0 10px 22px rgba(15,118,110,.22);
      position:relative;
      flex:0 0 auto;
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      border:2px solid rgba(255,255,255,.72);
      border-radius:8px;
      left:9px;
      top:9px;
      transform:rotate(-12deg);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:34px;
      height:9px;
      background:rgba(255,255,255,.2);
      transform:rotate(-35deg);
      left:-5px;
      top:25px;
    }
    .brand-text{
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:18px;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:14px;
    }
    .primary-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(219,229,234,.86);
      border-radius:999px;
      box-shadow:0 4px 14px rgba(16,32,42,.04);
    }
    .primary-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 18px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .primary-nav a:hover{
      color:var(--primary-dark);
      background:rgba(15,118,110,.08);
    }
    .primary-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 8px 18px rgba(15,118,110,.2);
    }
    .nav-search{
      width:228px;
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 13px;
      border:1px solid rgba(199,212,220,.9);
      border-radius:999px;
      background:rgba(255,255,255,.82);
      color:var(--weak);
      transition:var(--ease);
    }
    .nav-search:focus-within{
      border-color:rgba(15,118,110,.55);
      box-shadow:0 0 0 4px rgba(15,118,110,.1);
      background:#fff;
    }
    .nav-search input{
      width:100%;
      border:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .nav-search input::placeholder{color:var(--weak)}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary-dark);
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-toggle:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;
      width:18px;
      height:2px;
      background:currentColor;
      border-radius:999px;
      position:relative;
      transition:var(--ease);
    }
    .menu-toggle span::before,.menu-toggle span::after{
      content:"";
      position:absolute;
      left:0;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span::before{top:0;transform:rotate(45deg)}
    .menu-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      transition:var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(14,165,163,.28);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(15,118,110,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(15,118,110,.32)}
    .btn-dark{
      color:#fff;
      background:#10202a;
      box-shadow:0 14px 30px rgba(16,32,42,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#0b171f}
    .btn-ghost{
      color:var(--primary-dark);
      background:#fff;
      border:1px solid rgba(15,118,110,.18);
      box-shadow:0 10px 24px rgba(16,32,42,.07);
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(15,118,110,.38);box-shadow:var(--shadow-sm)}
    .btn-soft{
      color:var(--primary-dark);
      background:rgba(15,118,110,.09);
      border:1px solid rgba(15,118,110,.12);
    }
    .btn-soft:hover{background:rgba(15,118,110,.14)}

    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      height:30px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(15,118,110,.1);
      color:var(--primary-dark);
      font-weight:800;
      font-size:13px;
    }
    .badge-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(245,158,11,.15);
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section.compact{padding:58px 0}
    .section-band{
      background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(238,246,246,.72));
      border-top:1px solid rgba(219,229,234,.7);
      border-bottom:1px solid rgba(219,229,234,.7);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,3vw,42px);
      line-height:1.2;
      letter-spacing:-.04em;
      color:var(--ink);
      max-width:780px;
    }
    .section-desc{
      margin-top:12px;
      color:var(--muted);
      max-width:680px;
      font-size:17px;
    }

    .hero{
      min-height:680px;
      padding:96px 0 74px;
      position:relative;
      isolation:isolate;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(15,118,110,.96) 0%, rgba(11,79,75,.94) 43%, rgba(14,165,163,.84) 100%);
      clip-path:polygon(0 0,100% 0,100% 84%,0 100%);
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:760px;
      height:360px;
      right:-150px;
      top:72px;
      background:
        repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 1px,transparent 1px 88px),
        repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 64px);
      border-radius:80px;
      transform:rotate(-7deg);
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);
      gap:42px;
      align-items:center;
    }
    .hero-copy{
      color:#fff;
      padding-top:24px;
    }
    .hero .badge{
      background:rgba(255,255,255,.14);
      color:#ecfeff;
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(8px);
    }
    h1{
      margin-top:22px;
      font-size:clamp(40px,6vw,70px);
      line-height:1.05;
      letter-spacing:-.065em;
      max-width:760px;
    }
    .hero-lead{
      margin-top:22px;
      max-width:700px;
      color:rgba(255,255,255,.84);
      font-size:18px;
      line-height:1.9;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:32px;
      align-items:center;
    }
    .hero-note{
      margin-top:18px;
      color:rgba(255,255,255,.72);
      font-size:14px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }
    .hero-note span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .hero-note span::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:#fbbf24;
    }
    .invite-panel{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(255,255,255,.55);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-lg);
      padding:24px;
      transform:translateY(18px);
      position:relative;
      overflow:hidden;
    }
    .invite-panel::before{
      content:"";
      position:absolute;
      width:180px;
      height:180px;
      right:-70px;
      top:-70px;
      background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);
    }
    .invite-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      position:relative;
    }
    .invite-title{
      font-size:22px;
      line-height:1.25;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .invite-code{
      padding:8px 12px;
      border-radius:14px;
      background:var(--accent-soft);
      color:#92400e;
      font-weight:900;
      font-size:13px;
      border:1px solid rgba(245,158,11,.22);
      white-space:nowrap;
    }
    .reward-box{
      margin-top:20px;
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg,#f8ffff,#eef8f8);
      border:1px solid rgba(15,118,110,.13);
    }
    .reward-row{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px dashed rgba(15,118,110,.2);
      color:var(--muted);
      font-size:14px;
    }
    .reward-row:last-child{border-bottom:0}
    .reward-row strong{color:var(--ink);font-size:15px}
    .progress-wrap{
      margin-top:22px;
    }
    .progress-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:10px;
    }
    .progress-meta strong{color:var(--primary-dark);font-size:20px}
    .progress-bar{
      width:100%;
      height:14px;
      border-radius:999px;
      background:#e1ecee;
      overflow:hidden;
      box-shadow:inset 0 2px 6px rgba(16,32,42,.08);
    }
    .progress-fill{
      height:100%;
      width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
      position:relative;
    }
    .progress-fill::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
      animation:shine 2.2s infinite;
    }
    @keyframes shine{
      from{transform:translateX(-100%)}
      to{transform:translateX(100%)}
    }
    .invite-actions{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:20px;
    }
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:18px;
    }
    .mini-stat{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      padding:13px 10px;
      text-align:center;
    }
    .mini-stat b{
      display:block;
      color:var(--primary-dark);
      font-size:20px;
      line-height:1.1;
    }
    .mini-stat span{
      display:block;
      color:var(--weak);
      font-size:12px;
      margin-top:4px;
    }

    .goal-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:stretch;
    }
    .goal-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow-sm);
    }
    .goal-number{
      font-size:54px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
      color:var(--primary-dark);
    }
    .goal-number small{
      font-size:18px;
      color:var(--muted);
      letter-spacing:0;
      margin-left:6px;
    }
    .goal-card p{color:var(--muted);margin-top:14px}
    .milestone-list{
      display:grid;
      gap:14px;
    }
    .milestone{
      display:grid;
      grid-template-columns:78px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.78);
      transition:var(--ease);
    }
    .milestone:hover{
      transform:translateY(-2px);
      border-color:rgba(15,118,110,.28);
      box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .milestone .step{
      width:58px;
      height:58px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:950;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 24px rgba(15,118,110,.18);
    }
    .milestone h3{font-size:18px;line-height:1.35}
    .milestone p{color:var(--muted);font-size:14px;margin-top:3px}
    .status-pill{
      min-width:72px;
      text-align:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(245,158,11,.14);
      color:#9a5c04;
      font-weight:900;
      font-size:13px;
    }
    .status-pill.done{background:rgba(15,118,110,.1);color:var(--primary-dark)}

    .tiers{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .tier-card{
      position:relative;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:26px;
      padding:24px;
      box-shadow:0 12px 30px rgba(16,32,42,.06);
      overflow:hidden;
      transition:var(--ease);
    }
    .tier-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(15,118,110,.28);
    }
    .tier-card.featured{
      background:linear-gradient(180deg,#ffffff 0%,#f1fbfa 100%);
      border-color:rgba(15,118,110,.34);
    }
    .tier-card.featured::before{
      content:"推荐";
      position:absolute;
      top:16px;
      right:-32px;
      width:120px;
      text-align:center;
      transform:rotate(35deg);
      background:var(--accent);
      color:#fff;
      font-size:12px;
      font-weight:900;
      padding:4px 0;
    }
    .tier-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(15,118,110,.1);
      color:var(--primary-dark);
      font-weight:950;
      margin-bottom:16px;
    }
    .tier-card h3{
      font-size:21px;
      letter-spacing:-.03em;
      margin-bottom:9px;
    }
    .tier-card p{color:var(--muted);font-size:15px}
    .tier-list{
      list-style:none;
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .tier-list li{
      display:flex;
      gap:9px;
      color:var(--muted);
      font-size:14px;
    }
    .tier-list li::before{
      content:"✓";
      flex:0 0 20px;
      width:20px;
      height:20px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(15,118,110,.11);
      color:var(--primary);
      font-weight:900;
      font-size:12px;
      margin-top:2px;
    }

    .supporter-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .wall-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .supporter-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:16px;
    }
    .supporter{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:20px;
      background:var(--surface-2);
      border:1px solid rgba(219,229,234,.78);
      transition:var(--ease);
    }
    .supporter:hover{
      background:#fff;
      transform:translateY(-2px);
      box-shadow:0 10px 24px rgba(16,32,42,.07);
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--blue));
      flex:0 0 auto;
    }
    .supporter strong{display:block;font-size:15px}
    .supporter span{display:block;color:var(--weak);font-size:13px;margin-top:2px}
    .quote-box{
      height:100%;
      background:
        linear-gradient(135deg,rgba(16,32,42,.94),rgba(11,79,75,.92)),
        radial-gradient(circle at 90% 10%,rgba(245,158,11,.4),transparent 28%);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:var(--shadow-md);
      position:relative;
      overflow:hidden;
    }
    .quote-box::after{
      content:"”";
      position:absolute;
      right:22px;
      bottom:-30px;
      font-size:150px;
      color:rgba(255,255,255,.08);
      line-height:1;
      font-family:Georgia,serif;
    }
    .quote-box h3{font-size:26px;line-height:1.25;margin-bottom:16px}
    .quote-box p{color:rgba(255,255,255,.78);font-size:16px}
    .quote-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .quote-metrics div{
      padding:14px 10px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.12);
      text-align:center;
    }
    .quote-metrics b{display:block;font-size:22px}
    .quote-metrics span{font-size:12px;color:rgba(255,255,255,.66)}

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);
      gap:24px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .news-item{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:18px;
      align-items:center;
      padding:19px 22px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{
      background:#f7fcfc;
    }
    .news-date{
      color:var(--primary-dark);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{
      font-size:17px;
      line-height:1.35;
      transition:var(--ease);
    }
    .news-item:hover h3{color:var(--primary)}
    .news-item p{
      color:var(--muted);
      font-size:14px;
      margin-top:4px;
    }
    .news-arrow{
      width:34px;
      height:34px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(15,118,110,.08);
      color:var(--primary);
      font-weight:950;
      transition:var(--ease);
    }
    .news-item:hover .news-arrow{transform:translateX(3px);background:var(--primary);color:#fff}
    .recommend-panel{
      background:linear-gradient(180deg,#10202a,#15313a);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-md);
    }
    .recommend-panel h3{font-size:24px;line-height:1.25}
    .recommend-panel p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15px}
    .recommend-list{
      list-style:none;
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .recommend-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:13px 0;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.84);
      font-size:14px;
    }
    .recommend-list em{
      font-style:normal;
      padding:4px 9px;
      border-radius:999px;
      background:rgba(245,158,11,.18);
      color:#fbbf24;
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }

    .theme-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
    }
    .theme-card{
      min-height:190px;
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 28px rgba(16,32,42,.06);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .theme-card:nth-child(1){
      grid-row:span 2;
      background:
        linear-gradient(180deg,rgba(255,255,255,.92),rgba(238,246,246,.92)),
        radial-gradient(circle at 90% 20%,rgba(15,118,110,.2),transparent 34%);
    }
    .theme-card:hover{
      transform:translateY(-4px);
      border-color:rgba(15,118,110,.3);
      box-shadow:var(--shadow-md);
    }
    .theme-card h3{
      font-size:21px;
      letter-spacing:-.03em;
      margin:12px 0 8px;
    }
    .theme-card p{color:var(--muted);font-size:15px}
    .theme-tag{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(15,118,110,.1);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:900;
    }

    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .security-card{
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      border-radius:26px;
      padding:22px;
      transition:var(--ease);
    }
    .security-card:hover{
      background:#fff;
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
    }
    .security-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,rgba(15,118,110,.13),rgba(37,99,235,.1));
      color:var(--primary-dark);
      font-size:24px;
      margin-bottom:14px;
    }
    .security-card h3{font-size:18px;margin-bottom:8px}
    .security-card p{color:var(--muted);font-size:14px}

    .rank-board{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .rank-row{
      display:grid;
      grid-template-columns:64px 1.25fr .8fr .7fr .45fr;
      gap:16px;
      align-items:center;
      padding:17px 22px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .rank-row.header{
      background:#f5fafb;
      color:var(--muted);
      font-size:13px;
      font-weight:900;
    }
    .rank-row:not(.header):hover{background:#fbfefe}
    .rank-row:last-child{border-bottom:0}
    .rank-no{
      width:34px;
      height:34px;
      border-radius:12px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(15,118,110,.1);
      color:var(--primary-dark);
      font-weight:950;
    }
    .rank-title strong{display:block;line-height:1.35}
    .rank-title span{display:block;color:var(--weak);font-size:13px;margin-top:3px}
    .trend-up{color:var(--primary);font-weight:900}
    .heat-bar{
      height:8px;
      border-radius:999px;
      background:#e4eef0;
      overflow:hidden;
    }
    .heat-bar i{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .faq-aside{
      background:linear-gradient(180deg,#ffffff,#f1faf9);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow-sm);
    }
    .faq-aside h3{font-size:26px;line-height:1.25}
    .faq-aside p{color:var(--muted);margin-top:14px}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 8px 20px rgba(16,32,42,.04);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:19px 20px;
      background:#fff;
      color:var(--ink);
      font-weight:900;
      text-align:left;
      transition:var(--ease);
    }
    .faq-question:hover{background:#f7fcfc;color:var(--primary-dark)}
    .faq-question .plus{
      width:28px;
      height:28px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(15,118,110,.09);
      color:var(--primary);
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item.is-open .plus{transform:rotate(45deg);background:var(--primary);color:#fff}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.is-open .faq-answer{display:block}

    .cta{
      padding:86px 0;
    }
    .cta-shell{
      display:grid;
      grid-template-columns:1fr .85fr;
      gap:28px;
      align-items:stretch;
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(15,118,110,.96),rgba(16,32,42,.96)),
        radial-gradient(circle at 85% 20%,rgba(245,158,11,.45),transparent 32%);
      box-shadow:var(--shadow-lg);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .cta-shell::before{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      left:-150px;
      bottom:-190px;
      border:46px solid rgba(255,255,255,.06);
      border-radius:50%;
    }
    .cta-content{position:relative;z-index:1}
    .cta-content h2{
      font-size:clamp(30px,4vw,48px);
      line-height:1.16;
      letter-spacing:-.05em;
      max-width:680px;
    }
    .cta-content p{
      color:rgba(255,255,255,.78);
      margin-top:16px;
      max-width:650px;
      font-size:17px;
    }
    .cta-buttons{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:28px;
    }
    .contact-card{
      position:relative;
      z-index:1;
      background:rgba(255,255,255,.94);
      color:var(--ink);
      border-radius:28px;
      padding:22px;
      box-shadow:0 18px 42px rgba(0,0,0,.16);
    }
    .contact-card h3{font-size:22px;margin-bottom:12px}
    .form-grid{
      display:grid;
      gap:12px;
    }
    .field{
      display:grid;
      gap:6px;
    }
    .field label{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      padding:12px 14px;
      color:var(--ink);
      transition:var(--ease);
    }
    .field textarea{min-height:88px;resize:vertical}
    .field input:focus,.field textarea:focus{
      border-color:rgba(15,118,110,.5);
      box-shadow:0 0 0 4px rgba(15,118,110,.09);
    }
    .form-tip{
      color:var(--weak);
      font-size:12px;
      margin-top:8px;
    }

    .toast{
      position:fixed;
      left:50%;
      bottom:26px;
      transform:translate(-50%,20px);
      background:#10202a;
      color:#fff;
      padding:12px 16px;
      border-radius:999px;
      box-shadow:var(--shadow-md);
      opacity:0;
      pointer-events:none;
      transition:var(--ease);
      z-index:200;
      font-weight:800;
      font-size:14px;
    }
    .toast.show{
      opacity:1;
      transform:translate(-50%,0);
    }

    .site-footer{
      background:#0b171f;
      color:rgba(255,255,255,.76);
      padding:46px 0 28px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-desc{
      max-width:660px;
      margin-top:14px;
      color:rgba(255,255,255,.62);
    }
    .footer-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:rgba(255,255,255,.7);
      background:rgba(255,255,255,.06);
      transition:var(--ease);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.12)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }

    @media (max-width:1024px){
      :root{--nav-h:70px}
      .nav-search{display:none}
      .hero-inner,.goal-layout,.supporter-wrap,.news-layout,.faq-wrap,.cta-shell{
        grid-template-columns:1fr;
      }
      .invite-panel{transform:none}
      .tiers,.security-grid{grid-template-columns:repeat(2,1fr)}
      .theme-grid{grid-template-columns:1fr 1fr}
      .theme-card:nth-child(1){grid-row:auto;grid-column:span 2}
      .rank-row{grid-template-columns:54px 1.2fr .7fr .5fr}
      .rank-row > :nth-child(4){display:none}
      .section{padding:68px 0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .menu-toggle{display:flex}
      .nav-actions{
        position:fixed;
        left:14px;
        right:14px;
        top:calc(var(--nav-h) + 10px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border:1px solid var(--line);
        border-radius:24px;
        background:rgba(255,255,255,.96);
        box-shadow:var(--shadow-md);
      }
      .nav-actions.is-open{display:flex}
      .primary-nav{
        width:100%;
        border-radius:18px;
        background:#f7fbfc;
      }
      .primary-nav a{width:100%}
      .nav-actions .btn{width:100%}
      .brand-text{font-size:16px;max-width:calc(100vw - 132px)}
      .hero{
        min-height:auto;
        padding:66px 0 64px;
      }
      .hero::before{clip-path:polygon(0 0,100% 0,100% 92%,0 100%)}
      h1{font-size:clamp(36px,12vw,54px)}
      .hero-lead{font-size:16px}
      .hero-cta .btn{width:100%}
      .invite-actions{grid-template-columns:1fr}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .milestone{
        grid-template-columns:56px 1fr;
      }
      .milestone .status-pill{grid-column:2}
      .tiers,.supporter-grid,.security-grid,.theme-grid{
        grid-template-columns:1fr;
      }
      .theme-card:nth-child(1){grid-column:auto}
      .news-item{
        grid-template-columns:1fr auto;
        gap:10px;
      }
      .news-date{grid-column:1 / -1}
      .quote-metrics,.mini-stats{grid-template-columns:1fr 1fr 1fr}
      .rank-row{
        grid-template-columns:46px 1fr .45fr;
        gap:10px;
        padding:15px 14px;
      }
      .rank-row > :nth-child(3){display:none}
      .rank-row.header > :nth-child(3){display:none}
      .cta-shell{padding:24px;border-radius:28px}
      .footer-top{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .section{padding:56px 0}
      .section-title{font-size:29px}
      .invite-panel,.goal-card,.wall-card,.quote-box,.recommend-panel,.contact-card{border-radius:24px;padding:20px}
      .goal-number{font-size:44px}
      .mini-stats,.quote-metrics{grid-template-columns:1fr}
      .news-item{padding:17px}
      .rank-row{
        grid-template-columns:42px 1fr;
      }
      .rank-row > :nth-child(5),.rank-row.header > :nth-child(5){display:none}
      .cta-buttons .btn{width:100%}
      .footer-bottom{display:grid}
    }