:root{--bg:#EEF5FB;--deep:#E3EEF7;--card:#fff;--sub:#D7E8F4;--title:#10263A;--text:#243848;--muted:#5A7388;--soft:#7E93A6;--blue:#3B9FE0;--bright:#62B7EE;--steel:#1E6FB8;--ice:#A9D6F2;--mint:#2FA8A0;--border:rgba(30,111,184,.16);--strong:rgba(59,159,224,.38);--shadow:0 16px 40px rgba(16,38,58,.08)}*{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",sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.wrap{width:min(1220px,calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:1000}.frame-line{height:18px;background:var(--steel);color:#fff;font-size:12px}.frame-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;height:18px;padding:0 4px;cursor:pointer}.window-bar{height:62px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border)}.window-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand{justify-self:start;display:flex;align-items:center;min-width:44px;height:44px}.brand img,.footer-brand img,.book-brand img{height:34px;width:auto;object-fit:contain}.book-button,.app-link{min-height:44px;border:1px solid var(--strong);border-radius:10px;background:#fff;color:var(--steel);padding:0 18px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.book-button{justify-self:center}.app-link{justify-self:end}.track{height:40px;background:var(--deep);border-bottom:1px solid var(--border)}.track-inner{height:40px;display:flex;align-items:center;gap:6px}.track a{height:30px;padding:0 14px;display:flex;align-items:center;border-radius:8px;color:var(--steel)}.track a.is-active{background:var(--blue);color:#fff}.site-main{padding-top:138px}.hero,.section{padding:38px 0}.hero-card,.panel,.content-card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px}.hero-card{padding:20px}.media-slot{background:linear-gradient(135deg,#fff,#e6f3fb);border:1px solid var(--border);border-radius:14px;min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;max-height:300px;object-fit:contain;object-position:center}.media-slot.tall img{max-height:420px;width:auto}.eyebrow{font-size:14px;color:var(--steel);font-weight:700;letter-spacing:.08em}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--title);margin:14px 0 12px}.hero p,.page-hero p{font-size:16px;color:var(--muted);max-width:860px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.btn{min-height:44px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.btn.primary{color:#fff;background:linear-gradient(135deg,#62B7EE 0%,#3B9FE0 48%,#1E6FB8 100%)}.btn.secondary{background:#fff;color:var(--steel);border:1px solid var(--strong)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title h2{margin:0;color:var(--title);font-size:26px}.section-title p{margin:0;color:var(--muted)}.grid{display:grid;gap:16px}.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 var(--border);border-radius:14px;padding:18px}.card h3{color:var(--title);margin:10px 0 6px}.card p{color:var(--muted);margin:0}.card .media-slot{height:205px;margin:-4px -4px 14px}.tag-card{position:relative;overflow:hidden}.tag-card:before{content:"";display:block;width:38px;height:5px;border-radius:4px;background:var(--bright);margin-bottom:12px}.tag-card:nth-child(2n):before{background:var(--mint)}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}.number{font-size:30px;font-weight:800;color:var(--steel);line-height:1}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px}.status b{display:block;color:var(--steel);font-size:18px;margin-bottom:6px}.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:22px;align-items:center}.copy h2{color:var(--title);margin-top:0}.copy p{color:var(--muted)}.page-hero{padding:34px 0 22px}.page-hero .panel{padding:28px}.prose{padding:8px 0 42px}.prose article{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.prose h2{color:var(--title);margin:28px 0 10px;font-size:22px}.prose h2:first-child{margin-top:0}.prose p{margin:0 0 14px}.prose ul{padding-left:20px}.prose li{margin:8px 0}.note{border-left:4px solid var(--mint);background:#edf9f7;padding:14px 16px;border-radius:10px}.site-footer{background:#10263A;color:#C7D8E6;padding:42px 0 calc(28px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:260px 1fr;gap:34px}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand span{display:block;color:#8fb0c9;font-size:13px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h3{color:#fff;margin:0 0 10px}.footer-grid a{display:block;color:#C7D8E6;margin:7px 0}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:14px;color:#9fb5c6}.overlay{position:fixed;inset:0;background:rgba(16,38,58,.44);z-index:1100;opacity:0;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;pointer-events:auto}.window-book,.search-layer{position:fixed;left:0;right:0;top:80px;z-index:1200;visibility:hidden;pointer-events:none;transform:translateY(-8px);opacity:0;transition:.18s}.window-book.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.book-panel,.search-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 16px 16px;max-height:50vh;overflow:auto}.book-head,.search-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}.book-brand{display:flex;align-items:center;gap:10px}.book-head button,.search-head button{min-height:44px;border:1px solid var(--strong);background:#fff;color:var(--steel);border-radius:10px;padding:0 16px}.book-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:18px}.book-groups h2{font-size:16px;color:var(--steel);margin:0 0 8px}.book-groups a{display:block;padding:9px 0;border-bottom:1px dashed var(--border)}.book-groups b{display:block;color:var(--title)}.book-groups span{display:block;font-size:13px;color:var(--soft)}.search-card{padding-bottom:20px}.search-head{padding-left:20px}.search-head h2{margin:0;color:var(--title)}.search-look{margin:18px 20px;background:var(--bg);border:1px solid var(--border);border-radius:12px;min-height:52px;display:flex;align-items:center;padding:0 16px;color:var(--soft)}.preset-links{display:flex;flex-wrap:wrap;gap:10px;padding:0 20px}.preset-links a{min-height:44px;padding:0 16px;border:1px solid var(--strong);color:var(--steel);border-radius:10px;display:flex;align-items:center}.layer-open{overflow:hidden}.mobile-nav{display:none}.btn:hover,.btn:focus-visible,.book-button:hover,.book-button:focus-visible,.app-link:hover,.app-link:focus-visible,.track a:hover,.track a:focus-visible,.preset-links a:hover,.preset-links a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,159,224,.18)}@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr}.book-groups{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}}@media(max-width:700px){.track{display:none}.site-main{padding-top:80px;padding-bottom:58px}.window-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand img{max-width:130px}.book-button,.app-link{padding:0 12px}.window-book,.search-layer{top:80px}.book-panel{width:100%;max-height:66vh;border-radius:0}.search-layer{inset:80px 0 0;top:80px;background:var(--ice)}.search-card{height:100%;max-height:none;border-radius:0;background:var(--deep)}.book-groups{grid-template-columns:1fr 1fr;padding:14px}.grid-2,.grid-3,.grid-4,.status-grid{grid-template-columns:1fr}.hero,.section{padding:26px 0}.hero-card,.prose article{padding:18px}.number-item{grid-template-columns:54px 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-nav{position:fixed;z-index:1050;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(16,38,58,.08)}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.is-active{background:var(--blue);color:#fff}.site-footer{padding-bottom:calc(76px + env(safe-area-inset-bottom))}}