:root{--ink:#102a2b;--muted:#607071;--line:#d9e3df;--paper:#f4f6f1;--card:#fff;--teal:#0e5c57;--mint:#d9eee8;--orange:#e46a36;--cream:#f4e6cf;--shadow:0 18px 48px rgba(16,42,43,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden}body{margin:0;max-width:100%;overflow-x:hidden;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}.shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#0f2929;color:white;padding:28px 20px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 26px;border-bottom:1px solid rgba(255,255,255,.12)}.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--orange);display:grid;place-items:center;font-weight:900;font-size:22px}.brand strong,.brand span{display:block}.brand span{font-size:12px;opacity:.6;margin-top:3px}.sidebar nav{display:grid;gap:8px;margin-top:28px}.sidebar nav a{color:rgba(255,255,255,.67);text-decoration:none;padding:12px 14px;border-radius:10px;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{color:white;background:rgba(255,255,255,.09)}.side-note{margin-top:auto;display:flex;gap:10px;align-items:flex-start;padding:14px 10px;background:rgba(255,255,255,.06);border-radius:12px}.dot{width:8px;height:8px;border-radius:50%;background:#6ee7b7;margin-top:5px;box-shadow:0 0 0 4px rgba(110,231,183,.12)}.side-note b,.side-note small{display:block;font-size:12px}.side-note small{opacity:.55;margin-top:5px;line-height:1.5}main{padding:0 5vw 50px;max-width:1540px;width:100%;margin:auto}.topbar{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.topbar h1{font-size:24px;margin:3px 0}.eyebrow{margin:0;color:var(--muted);font-size:12px}.period{padding:10px 15px;border:1px solid var(--line);border-radius:99px;background:#fff;font-size:13px}.hero{margin:28px 0 16px;background:var(--teal);color:white;border-radius:22px;padding:42px;display:grid;grid-template-columns:1.5fr 1fr;gap:42px;align-items:center;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:340px;height:340px;border:60px solid rgba(255,255,255,.04);border-radius:50%;right:-130px;top:-160px}.badge{display:inline-block;background:var(--mint);color:var(--teal);font-size:12px;font-weight:800;padding:7px 11px;border-radius:99px}.badge.dark{background:#143f3d;color:white}.hero h2{font-size:clamp(28px,4vw,48px);letter-spacing:-2px;line-height:1.14;margin:20px 0 14px;max-width:720px}.hero p{max-width:680px;color:rgba(255,255,255,.72);line-height:1.8;margin:0}.hero-formula{background:#fff;color:var(--ink);padding:25px;border-radius:18px;position:relative;z-index:1}.hero-formula span,.hero-formula small{display:block;color:var(--muted);font-size:12px}.hero-formula strong{display:block;font-size:25px;margin:12px 0}.hero-formula em{color:var(--orange);font-style:normal}.carrier-strip{display:flex;gap:10px;overflow:auto;padding:6px 0}.carrier{border:1px solid var(--line);background:white;border-radius:12px;padding:13px 18px;color:var(--ink);font-weight:800}.carrier span{display:inline-block;margin-left:8px;font-size:10px;color:var(--muted);font-weight:500}.carrier.active{border-color:var(--teal);color:var(--teal)}.carrier:disabled{opacity:.55}.section-block{padding-top:68px}.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-title>div{display:flex;align-items:center;gap:12px}.section-title span{font-size:12px;font-weight:900;color:var(--orange);border:1px solid var(--orange);border-radius:50%;width:30px;height:30px;display:grid;place-items:center}.section-title h3{font-size:27px;margin:0}.section-title p{margin:0;color:var(--muted);font-size:13px}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.rule-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;min-height:190px;transition:.2s}.rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.rule-card i{font-style:normal;width:32px;height:32px;border-radius:9px;background:var(--cream);color:#8b522a;display:grid;place-items:center;font-weight:900}.rule-card h4{font-size:18px;margin:20px 0 9px}.rule-card p{color:var(--muted);line-height:1.75;margin:0;font-size:14px}.timeline-card{margin-top:28px;background:#173738;color:white;border-radius:16px;padding:24px 30px;display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center}.timeline-card>div:last-child{text-align:right}.timeline-card span,.timeline-card strong{display:block}.timeline-card span{opacity:.6;font-size:12px;margin-bottom:7px}.timeline-card b{background:var(--orange);padding:9px 13px;border-radius:99px;font-size:11px}.panel{background:white;border:1px solid var(--line);border-radius:22px;padding:34px;margin-top:68px}.panel .section-title{margin-bottom:24px}.control-row{display:flex;align-items:end;gap:12px;margin-bottom:22px;flex-wrap:wrap}.control-row label,.calc-box label{display:grid;gap:7px;font-size:12px;color:var(--muted)}input,select{border:1px solid var(--line);background:white;border-radius:9px;padding:11px 12px;font:inherit;color:var(--ink)}.control-row input{width:120px}.primary,.ghost{border:0;border-radius:9px;padding:12px 16px;font-weight:800;cursor:pointer}.primary{background:var(--teal);color:white}.ghost{background:#e9eeea;color:var(--ink)}#saveState{font-size:12px;color:var(--teal)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;background:#eef3ef;color:var(--muted);padding:13px}td{padding:15px 13px;border-bottom:1px solid var(--line)}td strong{color:var(--teal)}.calculator{display:grid;grid-template-columns:1fr 1fr;background:var(--cream);border-radius:22px;padding:40px;gap:48px;align-items:center}.calc-copy h3{font-size:30px;line-height:1.25;margin:18px 0 12px}.calc-copy p{color:#695f54;line-height:1.75}.calc-box{background:#fff;border-radius:18px;padding:25px;display:grid;grid-template-columns:1fr 120px;gap:16px}.calc-result{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:baseline;gap:8px}.calc-result span{margin-right:auto;color:var(--muted)}.calc-result strong{font-size:36px;color:var(--orange)}.calc-result small{font-size:14px}.calc-box>p{grid-column:1/-1;color:var(--muted);font-size:12px;margin:0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metrics article{background:white;border:1px solid var(--line);border-radius:15px;padding:22px}.metrics span,.metrics small,.metrics strong{display:block}.metrics span{color:var(--muted);font-size:12px}.metrics strong{font-size:34px;margin:12px 0 8px}.metrics small{color:var(--muted)}.metrics .alert{border-color:#f0b79d;background:#fff8f4}.metrics .alert strong{color:var(--orange)}.audit-note{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.audit-note>div{border-left:4px solid var(--teal);background:#e8f0ec;padding:18px 20px}.audit-note p{color:var(--muted);font-size:13px;line-height:1.7;margin:6px 0 0}footer{margin-top:70px;padding:25px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:12px}footer p{margin:0}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;padding:18px}.sidebar nav{display:none}.side-note{display:none}main{padding:0 18px 36px}.topbar{height:88px}.period{display:none}.hero{grid-template-columns:1fr;padding:28px;gap:24px}.rule-grid{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:1fr 1fr}.section-title{align-items:flex-start;gap:12px}.section-title>p{display:none}.calculator{grid-template-columns:1fr;padding:28px}.audit-note{grid-template-columns:1fr}}
@media(max-width:560px){.hero h2{font-size:32px}.rule-grid,.metrics{grid-template-columns:1fr}.timeline-card{grid-template-columns:1fr;text-align:left}.timeline-card>div:last-child{text-align:left}.timeline-card b{width:max-content}.panel{padding:22px;margin-inline:-6px}.calculator{margin-inline:-6px}.calc-box{grid-template-columns:1fr}.calc-box label,.calc-result,.calc-box>p{grid-column:1}footer{display:block;line-height:1.7}}
