:root{--bg:#F3F6FB;--surface:#fff;--soft:#E6EEF6;--title:#0B1F3A;--text:#1C3348;--muted:#4A6276;--quiet:#7A8FA0;--brand:#0B3A6E;--blue:#1E6FBF;--cyan:#1396B3;--amber:#D97706;--coral:#E25B4C;--border:rgba(11,58,110,.16);--shadow:0 14px 34px rgba(7,20,40,.08);--footer:#071428}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;z-index:50;inset:0 0 auto 0}.telegraph-bar{height:30px;background:var(--brand);color:#fff}.telegraph-inner,.beacon-inner,.channel-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand-mini{font-size:13px;font-weight:800;letter-spacing:.08em}.icon-button,.menu-button,.close-button{border:0;background:none;font:inherit;color:inherit;cursor:pointer}.icon-button{min-height:30px;color:#fff;font-size:13px}.beacon-bar{height:62px;background:#fff;border-bottom:1px solid var(--border)}.beacon-inner{position:relative}.brand-main{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;min-width:120px;height:52px}.brand-main img{max-height:34px;width:auto}.brand-main strong{font-size:24px;color:var(--brand);letter-spacing:.08em}.menu-button{width:44px;height:44px;border:1px solid var(--border);border-radius:50%;display:grid;place-content:center;gap:4px}.menu-button span{display:block;width:16px;height:2px;background:var(--brand)}.app-link{min-height:44px;display:flex;align-items:center;padding:0 16px;border-radius:999px;background:linear-gradient(135deg,#1E6FBF 0%,#0B3A6E 55%,#071428 100%);color:#fff;font-weight:700}.channel-bar{height:44px;background:#fff;border-bottom:1px solid var(--border)}.channel-inner{justify-content:center;gap:34px}.channel-inner a{height:44px;display:flex;align-items:center;border-bottom:3px solid transparent;color:var(--muted);font-weight:700}.channel-inner a.active,.channel-inner a:hover{color:var(--brand);border-color:var(--brand)}.page-main{padding-top:156px;min-height:70vh}.hero,.page-hero{padding:30px 0 18px}.hero-card,.page-hero-card{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:clamp(24px,5vw,56px)}.eyebrow{margin:0 0 8px;color:var(--blue);font-weight:800;letter-spacing:.08em}.hero h1,.page-hero h1{margin:0;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.25}.lead{max-width:820px;color:var(--muted);font-size:17px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{min-height:44px;padding:10px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn-primary{background:linear-gradient(135deg,#1E6FBF 0%,#0B3A6E 55%,#071428 100%);color:#fff}.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--border)}.media-slot{margin-top:28px;background:#EEF2F7;border-radius:18px;min-height:160px;overflow:hidden;display:flex;align-items:center;justify-content:center}.media-slot img{width:100%;max-height:340px;object-fit:contain;background:#fff}.section{padding:24px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section h2{margin:0;color:var(--title);font-size:24px}.section-note{margin:0;color:var(--quiet);font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.six{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 10px 24px rgba(7,20,40,.05)}.card h3{margin:0 0 8px;color:var(--title);font-size:18px}.card p{margin:0;color:var(--muted)}.card .more{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:800}.signal-dot{width:11px;height:11px;border-radius:50%;display:inline-block;margin-right:8px;background:var(--blue)}.card:nth-child(3n+2) .signal-dot{background:var(--cyan)}.card:nth-child(3n) .signal-dot{background:var(--amber)}.content-band{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:var(--shadow)}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:68px 1fr;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--border)}.number-item:last-child{border-bottom:0}.num{font-size:34px;line-height:1;color:var(--brand);font-weight:900}.number-item h3{margin:0;color:var(--title)}.number-item p{margin:5px 0 0;color:var(--muted)}.article-prose{background:#fff;border:1px solid var(--border);border-radius:18px;padding:clamp(22px,4vw,42px);box-shadow:var(--shadow)}.article-prose h2{margin-top:32px;color:var(--title)}.article-prose h2:first-child{margin-top:0}.article-prose p{margin:12px 0;color:var(--text)}.article-prose ul{padding-left:22px}.quote-note{border-left:4px solid var(--coral);background:#FFF7F6;padding:16px 18px;border-radius:0 12px 12px 0;color:var(--muted)}.timeline{position:relative;padding-left:26px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--border)}.timeline-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;margin:0 0 16px}.timeline-item:before{content:"";position:absolute;left:-25px;top:26px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:13px;font-weight:800}.pack-list{display:grid;gap:12px}.pack-item{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;display:grid;grid-template-columns:54px 1fr auto;gap:16px;align-items:center}.pack-icon{width:46px;height:46px;border-radius:12px;background:var(--soft);display:grid;place-content:center;color:var(--brand);font-weight:900}.pack-item h3,.pack-item p{margin:0}.pack-item p{color:var(--muted)}.site-footer{margin-top:48px;background:var(--footer);color:#D5E4F4;padding:46px 0 18px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.footer-brand img{max-height:32px;width:auto;margin-bottom:12px}.footer-brand h2{margin:0 0 12px;color:#fff}.footer-brand h2 span{font-size:13px;letter-spacing:.12em;color:#9FC3E6}.footer-brand p{max-width:360px;color:#AFC5D9}.footer-grid h3{color:#fff;margin-top:0}.footer-grid a{display:block;padding:4px 0;color:#C2D5E8}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;margin-top:30px;color:#94ABC0;font-size:14px}.overlay{position:fixed;inset:0;background:rgba(7,20,40,.52);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.frequency-menu{position:fixed;z-index:80;top:18px;left:50%;transform:translate(-50%,-20px);width:min(700px,94%);max-height:calc(100vh - 36px);overflow:auto;background:#fff;border-radius:20px;box-shadow:0 26px 70px rgba(7,20,40,.32);padding:20px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.frequency-menu.open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.frequency-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:14px}.frequency-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.frequency-brand img{max-height:28px;width:auto}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:999px;color:var(--brand);background:#fff}.frequency-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.frequency-groups h3{margin:0 0 8px;color:var(--brand)}.frequency-groups a{display:block;padding:10px 0;border-bottom:1px solid var(--border)}.frequency-groups b,.frequency-groups span{display:block}.frequency-groups b{color:var(--title)}.frequency-groups span{font-size:13px;color:var(--quiet);margin-top:2px}.search-layer{position:fixed;z-index:85;top:96px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border-radius:18px;padding:20px;box-shadow:0 26px 70px rgba(7,20,40,.32)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--title)}.search-visual{margin:18px 0;background:var(--soft);border:1px solid var(--border);border-radius:999px;padding:13px 18px;color:var(--quiet)}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{padding:9px 14px;border-radius:999px;border:1px solid var(--border);color:var(--brand);font-weight:700}.mobile-bottom{display:none}.media-card img{max-height:240px;object-fit:contain;margin:0 auto 16px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 18px;margin-bottom:12px}.faq-list summary{cursor:pointer;color:var(--title);font-weight:800}.faq-list p{color:var(--muted)}
@media(max-width:900px){.card-grid,.card-grid.four,.card-grid.six{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.channel-inner{gap:18px}}
@media(max-width:680px){.channel-bar{display:none}.page-main{padding-top:104px;padding-bottom:58px}.shell{width:min(100% - 32px,1180px)}.brand-main{min-width:90px}.app-link{padding:0 12px;font-size:14px}.hero,.page-hero{padding-top:20px}.hero-card,.page-hero-card{padding:24px 20px}.card-grid,.card-grid.four,.card-grid.six{grid-template-columns:1fr}.frequency-groups{grid-template-columns:1fr}.search-layer{top:0;left:0;transform:none;width:100%;height:100%;background:var(--bg)}.search-card{height:100%;border-radius:0;box-shadow:none;padding:22px 16px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{min-height:50px;display:grid;place-content:center;color:var(--quiet);font-size:13px;font-weight:700}.mobile-bottom a.active{color:var(--brand)}.number-item{grid-template-columns:48px 1fr}.num{font-size:27px}.pack-item{grid-template-columns:44px 1fr}.pack-item>a{grid-column:2}.site-footer{padding-bottom:72px}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.button-row{flex-direction:column}.btn{width:100%}.telegraph-inner{padding:0}.brand-mini{font-size:12px}}