:root{--bg:#F3F6FB;--paper:#fff;--soft:#E6EEF6;--title:#0B1F3A;--text:#1C3348;--muted:#4A6276;--helper:#7A8FA0;--brand:#0B3A6E;--blue:#1E6FBF;--cyan:#1396B3;--amber:#D97706;--coral:#E25B4C;--line:rgba(11,58,110,.16);--shadow:0 14px 34px rgba(7,20,40,.08);--radius:18px;--max:1180px;--header:136px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000}.telegraph-bar{height:30px;background:var(--brand);color:#fff}.telegraph-inner{height:30px;display:flex;align-items:center;justify-content:space-between}.brand-mini{font-size:13px;font-weight:700;letter-spacing:.06em}.text-button{border:0;background:transparent;color:#fff;min-width:44px;height:30px;cursor:pointer}.beacon-bar{height:62px;background:#fff;border-bottom:1px solid var(--line)}.beacon-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.menu-round{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer}.menu-round span{display:block;width:16px;height:2px;background:var(--brand);border-radius:9px}.main-brand{justify-self:center;display:flex;align-items:center;height:44px;font-size:25px;font-weight:800;color:var(--brand)}.main-brand img{max-height:34px;max-width:180px;object-fit:contain}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;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(--line)}.channel-inner{height:44px;display:flex;justify-content:center;align-items:stretch;gap:34px}.channel-inner a{position:relative;display:flex;align-items:center;color:var(--muted);font-size:14px}.channel-inner a.active,.channel-inner a:hover{color:var(--brand)}.channel-inner a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand);border-radius:3px 3px 0 0}.site-main{padding-top:calc(var(--header) + 28px)}.hero,.page-hero{width:min(var(--max),calc(100% - 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32px));margin:0 auto 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.section-head{display:flex;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:20px}.section-head h2{margin:0;color:var(--title);font-size:24px}.section-head p{margin:0;color:var(--muted);max-width:620px}.signal-tags,.grid-3,.grid-4,.grid-6,.split-grid,.policy-grid{display:grid;gap:16px}.signal-tags{grid-template-columns:repeat(4,1fr)}.tag-card,.info-card,.topic-card,.pack-item,.number-card,.faq-item,.policy-card,.step-card,.timeline-item{border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px}.tag-card .dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px;background:var(--brand)}.tag-card:nth-child(3n+2) .dot{background:var(--cyan)}.tag-card:nth-child(3n) .dot{background:var(--amber)}.tag-card h3,.info-card h3,.topic-card h3,.policy-card h3,.step-card h3{margin:.3em 0 .5em;color:var(--title);font-size:18px}.tag-card p,.info-card p,.topic-card p,.pack-item p,.number-card p,.policy-card p,.step-card p{margin:0;color:var(--muted)}.inline-link{display:inline-flex;margin-top:12px;color:var(--brand);font-weight:700}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:18px;border:1px solid var(--line);border-radius:16px}.number-row strong,.number-big{font-size:30px;line-height:1;color:var(--brand)}.number-row h3{margin:0 0 6px;color:var(--title)}.number-row p{margin:0;color:var(--muted)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-6{grid-template-columns:repeat(3,1fr)}.card-media img,.wide-media img{width:100%;height:auto;max-height:340px;object-fit:contain;display:block}.content-card{overflow:hidden;border:1px solid var(--line);border-radius:18px}.content-card .body{padding:22px}.content-card h3{margin:0 0 10px;color:var(--title)}.content-card p{margin:0;color:var(--muted)}.pack-list{display:grid;gap:12px}.pack-item{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:14px}.file-tab{width:54px;height:54px;border-radius:14px;background:var(--soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800}.pack-item a{color:var(--brand);font-weight:700}.timeline{position:relative;margin-left:16px}.timeline:before{content:"";position:absolute;top:10px;bottom:10px;left:13px;width:2px;background:var(--line)}.timeline-item{position:relative;margin-left:38px;margin-bottom:14px}.timeline-item:before{content:"";position:absolute;left:-33px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-block;font-size:12px;font-weight:800;padding:4px 9px;border-radius:999px;background:var(--soft);color:var(--brand);margin-bottom:8px}.prose{font-size:16px}.prose p{margin:0 0 1.05em}.prose h2{margin:1.5em 0 .5em;color:var(--title);font-size:23px}.prose h3{margin:1.3em 0 .4em;color:var(--title);font-size:18px}.prose ul{padding-left:1.3em}.note-box{padding:18px 20px;border-left:4px solid var(--cyan);background:#eef7f9;border-radius:12px;color:var(--text)}.editor-note{padding:18px 20px;background:#f7f2ea;border:1px solid rgba(217,119,6,.18);border-radius:14px}.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.side-card{position:sticky;top:160px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px}.side-card h3{margin-top:0}.side-card a{display:block;padding:10px 0;border-top:1px solid var(--line);color:var(--brand)}.side-card a:first-of-type{border-top:0}.faq-list{display:grid;gap:14px}.faq-item h3{margin:0 0 8px;color:var(--title);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.overlay{position:fixed;inset:0;background:rgba(7,20,40,.48);z-index:1100;opacity:0;pointer-events:none;transition:.18s}.overlay.show{opacity:1;pointer-events:auto}.frequency-menu{position:fixed;top:18px;left:50%;transform:translate(-50%,-18px);width:min(700px,94vw);max-height:calc(100vh - 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@media(max-width:900px){.signal-tags{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-6{grid-template-columns:1fr 1fr}.page-grid{grid-template-columns:1fr}.side-card{position:static}.footer-top{grid-template-columns:1fr}.frequency-groups{grid-template-columns:1fr 1fr}}
@media(max-width:720px){:root{--header:92px}.channel-bar{display:none}.site-main{padding-top:calc(var(--header) + 18px)}.beacon-inner{grid-template-columns:44px minmax(0,1fr) auto;gap:10px}.main-brand{min-width:0}.main-brand img{max-width:140px}.app-link{padding:0 13px;font-size:14px}.hero-copy,.page-hero .inner{padding:28px 22px}.section{padding:22px}.section-head{display:block}.section-head p{margin-top:8px}.grid-3,.grid-4,.grid-6,.signal-tags{grid-template-columns:1fr}.number-row{grid-template-columns:54px 1fr}.number-row strong{font-size:26px}.pack-item{grid-template-columns:54px 1fr}.pack-item>a{grid-column:2}.footer-links{grid-template-columns:1fr 1fr}.frequency-groups{grid-template-columns:1fr}.frequency-menu{top:10px;max-height:calc(100vh - 20px)}.search-layer{inset:0;width:auto;transform:none;background:var(--bg);overflow:auto}.search-layer.open{transform:none}.search-card{min-height:100%;border:0;border-radius:0;box-shadow:none;padding:28px 18px 90px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:1000;display:grid;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:13px;color:var(--muted)}.mobile-nav a.active{color:var(--brand);font-weight:800}.site-footer{padding-bottom:110px}}