:root{--bg:#edf3fb;--card:#fff;--ink:#1d2839;--muted:#778398;--line:#e6ebf2;--blue:#4b8dff;--cyan:#58d6e7;--green:#42c98c;--orange:#ff9e55;--shadow:0 12px 35px rgba(54,79,115,.12);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 20% 0,#d8e9ff 0,transparent 32%),linear-gradient(180deg,#f5f8fd,#eef3f9 60%,#f7f9fc);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font:inherit;color:inherit}.page-shell{width:min(100%,760px);min-height:100vh;margin:auto;padding:12px 12px 36px}.top-card{position:relative;z-index:5;display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:11px 12px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:17px;box-shadow:0 8px 24px rgba(56,83,121,.11);backdrop-filter:blur(12px)}.site-identity{display:flex;align-items:center;gap:9px;min-width:0}.site-logo{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,#6aa3ff,#6e62d9);color:#fff;font-weight:800}.site-identity div{min-width:0}.site-identity strong,.site-identity small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-identity strong{font-size:15px}.site-identity small{margin-top:3px;font-size:9px;color:var(--muted)}.domain-line{grid-column:1/-1;display:flex;align-items:center;gap:6px;padding-top:8px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.domain-line b{color:var(--orange);font-size:12px}.copy-button{position:absolute;right:11px;bottom:8px;border:0;border-radius:10px;padding:7px 13px;background:linear-gradient(135deg,#ff9b55,#5a9bff);color:#fff;font-size:10px;font-weight:700;cursor:pointer}.banner-slider{position:relative;margin-top:12px;border-radius:18px;overflow:hidden;background:#dce6f6;box-shadow:var(--shadow);aspect-ratio:16/8.8}.slides,.slide{position:absolute;inset:0}.slide{opacity:0;pointer-events:none;transition:opacity .45s ease}.slide.active{opacity:1;pointer-events:auto}.slide img{width:100%;height:100%;display:block;object-fit:cover}.slide::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(8,20,42,.7))}.slide-copy{position:absolute;z-index:2;left:16px;right:16px;bottom:16px;color:#fff}.slide-copy strong,.slide-copy span{display:block}.slide-copy strong{font-size:20px}.slide-copy span{margin-top:5px;font-size:11px;opacity:.85}.slider-dots{position:absolute;z-index:3;right:13px;bottom:13px;display:flex;gap:5px}.slider-dots i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.5)}.slider-dots i.active{width:16px;border-radius:9px;background:#fff}.notice-bar{display:flex;align-items:center;gap:8px;margin-top:11px;height:38px;padding:0 11px;border-radius:12px;background:#fff;border:1px solid var(--line);overflow:hidden}.notice-icon{font-size:13px}.notice-window{flex:1;overflow:hidden}.notice-track{width:max-content;display:flex;align-items:center;gap:22px;white-space:nowrap;color:#637087;font-size:10px;animation:notice 22s linear infinite}.notice-track i{font-style:normal;color:var(--orange)}@keyframes notice{to{transform:translateX(-50%)}}.content-section{margin-top:14px;padding:16px 12px 13px;border-radius:18px;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.85);box-shadow:0 8px 30px rgba(65,87,120,.08)}.section-title{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:13px}.section-title span{font-size:8px;font-weight:800;letter-spacing:.13em;color:var(--blue)}.section-title h2{margin:3px 0 0;font-size:18px}.section-title p{margin:0;font-size:9px;color:var(--muted)}.filter-row{display:flex;gap:6px;margin-bottom:13px;overflow-x:auto;scrollbar-width:none}.filter-row::-webkit-scrollbar{display:none}.filter-row button{flex:0 0 auto;border:1px solid var(--line);border-radius:99px;background:#f7f9fc;padding:7px 12px;font-size:10px;cursor:pointer}.filter-row button.active{border-color:var(--blue);background:var(--blue);color:#fff}.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.platform-card{position:relative;min-width:0;padding:13px 9px 10px;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:center;overflow:hidden;transition:transform .18s,box-shadow .18s}.platform-card:active{transform:scale(.98)}.platform-card.hidden{display:none}.platform-card img,.platform-card .letter-icon{width:52px;height:52px;margin:3px auto 8px}.platform-card img{display:block;border-radius:14px;object-fit:cover}.letter-icon{display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#76aaff,#7bdde7);color:#fff;font-size:20px;font-weight:800}.platform-card strong,.platform-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.platform-card strong{font-size:13px}.platform-card small{min-height:16px;margin-top:4px;font-size:9px;color:var(--muted)}.status-badge{position:absolute;top:7px;left:7px;padding:3px 6px;border-radius:99px;background:#e8fff4;color:#25a873;font-size:7px;font-weight:700}.enter-link{display:block;margin-top:8px;padding-top:7px;border-top:1px solid var(--line);color:var(--blue);font-size:9px}.enter-link b{font-size:14px}.contact-grid{display:grid;grid-template-columns:1fr;gap:8px}.contact-card,.tool-card{display:grid;align-items:center;gap:10px;padding:10px;border:1px solid var(--line);border-radius:13px;background:#fff}.contact-card{grid-template-columns:auto 1fr auto}.contact-card img,.contact-card .letter-icon,.tool-card img,.tool-card .letter-icon{width:42px;height:42px;border-radius:12px;object-fit:cover}.service-icon{background:linear-gradient(145deg,#72d5b4,#4aa3e8);font-size:16px}.contact-card strong,.contact-card small,.contact-card em,.tool-card strong,.tool-card small{display:block}.contact-card strong,.tool-card strong{font-size:12px}.contact-card small,.tool-card small{margin-top:3px;color:var(--muted);font-size:9px}.contact-card em{margin-top:4px;color:var(--orange);font-size:8px;font-style:normal}.contact-card>span:last-child{color:#a2adbc;font-size:20px}.tool-list{display:grid;gap:8px}.tool-card{grid-template-columns:auto 1fr auto}.tool-icon{background:linear-gradient(145deg,#a486ff,#65a5ff);font-size:16px}.tool-card>b{color:var(--blue);font-size:9px}.empty-card{grid-column:1/-1;padding:25px 12px;text-align:center;color:var(--muted);font-size:10px;border:1px dashed var(--line);border-radius:13px}footer{padding:26px 12px 8px;text-align:center;color:var(--muted)}footer strong{font-size:13px;color:var(--ink)}footer p{margin:6px 0;font-size:9px}footer span{font-size:8px}.toast{position:fixed;z-index:20;left:50%;bottom:24px;transform:translate(-50%,20px);padding:10px 16px;border-radius:99px;background:#1d2839;color:#fff;font-size:10px;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}@media(min-width:520px){.page-shell{padding:18px}.top-card{grid-template-columns:1fr auto auto}.domain-line{grid-column:auto;border:0;padding:0}.copy-button{position:static}.contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:760px){body{padding:20px 0}.page-shell{border-radius:28px}.platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.banner-slider{aspect-ratio:16/7.5}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}