*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F3F6FB;color:#1C3348;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:50}.telegraph-bar{height:30px;background:#0B3A6E;color:#fff}.telegraph-inner,.beacon-inner,.channel-inner{height:100%;display:flex;align-items:center}.telegraph-inner{justify-content:space-between}.mini-brand{font-size:13px;font-weight:700;letter-spacing:.08em}.text-button{border:0;background:transparent;color:#fff;cursor:pointer;padding:2px 8px}.beacon-bar{height:62px;background:#fff;border-bottom:1px solid rgba(11,58,110,.12)}.beacon-inner{justify-content:space-between}.round-menu{width:44px;height:44px;border:1px solid rgba(11,58,110,.16);border-radius:50%;background:#fff;display:grid;place-content:center;gap:4px;cursor:pointer}.round-menu span{display:block;width:16px;height:2px;background:#0B3A6E}.brand-lockup{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;font-size:22px;color:#0B1F3A}.brand-logo{max-height:34px;max-width:180px;object-fit:contain}.app-link{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;background:#0B3A6E;color:#fff;font-weight:700}.channel-bar{height:44px;background:#fff;border-bottom:1px solid rgba(11,58,110,.12)}.channel-inner{justify-content:center;gap:34px}.channel-inner a{height:44px;display:flex;align-items:center;position:relative;color:#4A6276}.channel-inner a.active{color:#0B3A6E;font-weight:700}.channel-inner a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:#0B3A6E;border-radius:3px 3px 0 0}.page-main{padding-top:136px}.hero,.page-hero{padding:48px 0 28px}.hero-card{background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:20px;padding:clamp(24px,5vw,56px);box-shadow:0 14px 34px rgba(7,20,40,.08)}.eyebrow{color:#1396B3;font-weight:800;letter-spacing:.12em;font-size:13px}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:#0B1F3A;margin:.35em 0}.lede{font-size:17px;max-width:780px;color:#4A6276}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#1E6FBF 0%,#0B3A6E 55%,#071428 100%);color:#fff}.btn-secondary{background:#fff;color:#0B3A6E;border:1px solid rgba(11,58,110,.28)}.media-wrap{margin-top:28px;border-radius:18px;overflow:hidden;background:#E6EEF6;min-height:180px;display:flex;align-items:center;justify-content:center}.media-wrap img{display:block;max-width:100%;max-height:340px;width:auto;height:auto;object-fit:contain}.media-wrap:empty{min-height:180px}.section{padding:34px 0}.section h2{font-size:24px;color:#0B1F3A;margin:0 0 10px}.section-intro{max-width:780px;color:#4A6276;margin:0 0 22px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:16px;padding:22px;box-shadow:0 14px 34px rgba(7,20,40,.05)}.card h3{margin:0 0 8px;color:#0B1F3A;font-size:18px}.card p{margin:0;color:#4A6276}.card-link{display:inline-flex;margin-top:14px;color:#0B3A6E;font-weight:700}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px;background:#0B3A6E}.dot.cyan{background:#1396B3}.dot.amber{background:#D97706}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;padding:18px 0;border-top:1px solid rgba(11,58,110,.16)}.number{font-size:32px;line-height:1;font-weight:900;color:#0B3A6E}.number-item h3{margin:0 0 6px;color:#0B1F3A}.number-item p{margin:0}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.pack-list{display:grid;gap:12px}.pack-item{background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:14px;padding:18px;display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center}.pack-mark{width:48px;height:48px;border-radius:14px;background:#E6EEF6;color:#0B3A6E;display:grid;place-items:center;font-weight:900}.pack-item h3,.pack-item p{margin:0}.pack-item p{font-size:14px;color:#4A6276}.timeline{border-left:2px solid rgba(11,58,110,.2);margin-left:12px;padding-left:24px}.timeline article{position:relative;margin:0 0 22px;background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:14px;padding:18px}.timeline article:before{content:"";position:absolute;left:-32px;top:24px;width:14px;height:14px;border-radius:50%;background:#1396B3;border:3px solid #F3F6FB}.status{display:inline-flex;padding:3px 10px;border-radius:999px;background:#E6EEF6;color:#0B3A6E;font-size:13px;font-weight:800}.article-prose{background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:18px;padding:clamp(22px,4vw,40px)}.article-prose h2{margin-top:1.8em}.article-prose p{margin:1em 0}.notice{border-left:4px solid #D97706;background:#fff7ed;padding:16px 18px;border-radius:0 12px 12px 0}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(11,58,110,.16);border-radius:14px;padding:20px}.faq-item h2,.faq-item h3{font-size:18px;margin:0 0 8px;color:#0B1F3A}.site-footer{background:#071428;color:#D5E4F4;margin-top:48px;padding:42px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:26px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;margin:6px 0;color:#D5E4F4}.footer-brand p{max-width:360px;color:#a9bfd2}.footer-logo-link{display:flex!important;align-items:center;gap:12px}.footer-logo{max-height:32px;max-width:140px;object-fit:contain}.footer-logo-link span{display:grid}.footer-logo-link small{font-size:11px;letter-spacing:.14em}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;font-size:13px;color:#9eb4c8}.overlay{position:fixed;inset:0;background:rgba(7,20,40,.48);z-index:70;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.overlay.show{visibility:visible;pointer-events:auto;opacity:1}.frequency-menu{position:fixed;z-index:80;top:104px;left:50%;width:min(700px,94%);max-height:calc(100vh - 120px);overflow:auto;transform:translate(-50%,-18px);background:#fff;border-radius:18px;box-shadow:0 22px 70px rgba(7,20,40,.28);visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.frequency-menu.show{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.menu-head{position:sticky;top:0;background:#fff;padding:16px 18px;border-bottom:1px solid rgba(11,58,110,.12);display:flex;justify-content:space-between;align-items:center;z-index:2}.menu-brand{display:flex;align-items:center;gap:10px}.menu-brand img{max-height:28px;max-width:120px}.close-button{width:44px;height:44px;border-radius:50%;border:1px solid rgba(11,58,110,.16);background:#fff;color:#0B3A6E;font-size:26px;line-height:1;cursor:pointer}.menu-groups{padding:14px 18px 22px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.menu-group h2{font-size:14px;color:#7A8FA0}.menu-group a{display:block;padding:10px 0;border-top:1px solid rgba(11,58,110,.1)}.menu-group strong,.menu-group span{display:block}.menu-group strong{color:#0B1F3A}.menu-group span{font-size:13px;color:#6c8193}.search-layer{position:fixed;z-index:85;top:104px;left:50%;width:min(720px,calc(100% - 32px));transform:translate(-50%,-14px);visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.show{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-card{background:#fff;border-radius:18px;padding:20px;box-shadow:0 22px 70px rgba(7,20,40,.25)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#0B1F3A}.search-look{margin:18px 0;padding:15px 18px;border-radius:999px;background:#F3F6FB;color:#7A8FA0;border:1px solid rgba(11,58,110,.14)}.quick-links{display:flex;flex-wrap:wrap;gap:10px}.quick-links a{padding:9px 14px;border-radius:999px;background:#E6EEF6;color:#0B3A6E;font-weight:700}.locked{overflow:hidden}.mobile-bottom{display:none}.app-showcase{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);gap:28px;align-items:center}.app-art{background:#E6EEF6;border-radius:18px;padding:20px;display:flex;justify-content:center;align-items:center;min-height:260px}.app-art img{max-width:100%;max-height:340px;object-fit:contain}.icon-row{display:flex;align-items:center;gap:12px;margin:16px 0}.icon-row img{width:56px;height:56px;object-fit:contain;border-radius:14px}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#E6EEF6;color:#0B3A6E;font-size:13px;font-weight:700}a:focus-visible,button:focus-visible{outline:3px solid #D97706;outline-offset:3px}@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-brand{grid-column:1/-1}.topic-grid{grid-template-columns:1fr 1fr}}@media(max-width:720px){.channel-bar{display:none}.page-main{padding-top:92px;padding-bottom:58px}.hero,.page-hero{padding-top:28px}.app-link{padding:0 12px}.grid-2,.grid-3,.grid-4,.topic-grid,.app-showcase{grid-template-columns:1fr}.menu-groups{grid-template-columns:1fr}.frequency-menu{top:76px;max-height:calc(100vh - 90px)}.search-layer{inset:30px 0 0 0;width:100%;height:calc(100vh - 30px);transform:none;background:#F3F6FB;padding:16px;overflow:auto}.search-layer.show{transform:none}.search-card{box-shadow:none;min-height:calc(100vh - 62px);border-radius:18px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(11,58,110,.16);z-index:60}.mobile-bottom a{display:grid;place-items:center;font-size:13px;color:#687f92}.mobile-bottom a.active{color:#0B3A6E;font-weight:800}.site-footer{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.pack-item{grid-template-columns:44px 1fr}.pack-item>a{grid-column:2}.media-wrap:empty{min-height:140px}}