:root{--ink:#1f2733;--sub:#5b6675;--line:#e7e3dd;--bg:#faf8f5;--card:#fff;--teal:#008b8c;--teal-d:#006b6d;--orange:#e95d21;--orange-d:#d04d14;--green:#2f7a4f;--blue:#1f4d78;--rose:#a85a6b;--amber:#9a6a16}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72;font-size:14px}a{color:inherit;text-decoration:none}.wrap{max-width:1100px;margin:0 auto;padding:24px 28px 64px}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:-24px -28px 22px;padding:12px 28px;background:rgba(250,248,245,.94);border-bottom:1px solid rgba(231,227,221,.9);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:9px;color:var(--teal-d);font-weight:900}.brand i{width:12px;height:12px;border-radius:4px;background:var(--orange);box-shadow:0 0 0 5px rgba(233,93,33,.11)}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav a{padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--sub);font-size:12px;font-weight:800}.nav a:hover,.nav a.on{border-color:#acd5d1;color:var(--teal-d);background:#edf8f6}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--teal),var(--teal-d));color:#fff;border-radius:18px;padding:34px 36px;box-shadow:0 14px 36px rgba(31,39,51,.17)}.hero::after{content:"";position:absolute;right:-76px;top:-78px;width:230px;height:230px;border:36px solid rgba(255,255,255,.08);border-radius:999px}.kicker{position:relative;z-index:1;color:#ffe5cc;font-size:11px;font-weight:900;letter-spacing:.2em}.hero h1{position:relative;z-index:1;margin:8px 0 8px;font-size:32px;line-height:1.25}.hero p{position:relative;z-index:1;max-width:820px;margin:0;color:rgba(255,255,255,.87);font-size:14px}.badges{position:relative;z-index:1;display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.badge{display:inline-block;border-radius:999px;padding:4px 10px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);font-size:11.5px;font-weight:800}.section{margin-top:34px}.section h2{display:flex;align-items:center;gap:10px;margin:0 0 6px;font-size:21px}.section h2::before{content:"";width:5px;height:22px;border-radius:99px;background:linear-gradient(var(--orange),var(--orange-d))}.lead{margin:0 0 15px 15px;color:var(--sub);font-size:13px}.grid{display:grid;gap:13px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:16px 17px;box-shadow:0 4px 14px rgba(31,39,51,.045)}.card h3{margin:0 0 6px;color:var(--teal-d);font-size:15px}.card p{margin:0;color:var(--sub);font-size:12.8px}.card ul,.card ol{margin:8px 0 0;padding-left:20px;color:var(--sub);font-size:12.6px}.card li+li{margin-top:4px}.num{display:inline-flex;width:24px;height:24px;align-items:center;justify-content:center;border-radius:99px;background:var(--orange);color:#fff;font-size:12px;font-weight:900;margin-right:6px}.status{display:inline-block;margin-bottom:8px;padding:2px 8px;border-radius:6px;font-size:10.5px;font-weight:900}.s-green{background:#e7f1ea;color:var(--green)}.s-amber{background:#fbf0dd;color:var(--amber)}.s-red{background:#f7e0e4;color:#b5455a}.s-blue{background:#e5edf6;color:var(--blue)}.notice{margin-top:14px;border-left:4px solid var(--orange);border-radius:9px;background:#fbf3e8;padding:13px 16px;color:#5a4427;font-size:12.8px}.notice b{color:var(--orange-d)}.notice.danger{border-color:#c04455;background:#fae9ec;color:#763441}.notice.safe{border-color:var(--green);background:#eaf4ed;color:#285d3e}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.flow .card{position:relative}.flow .card:not(:last-child)::after{content:"→";position:absolute;right:-12px;top:50%;z-index:2;color:var(--orange);font-size:20px;font-weight:900}.steps{display:grid;gap:9px}.step{display:grid;grid-template-columns:34px 1fr;gap:11px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px 14px}.step .n{width:28px;height:28px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:#e5f3f1;color:var(--teal-d);font-weight:950}.step b{display:block;color:var(--ink);margin-bottom:2px}.step span{color:var(--sub);font-size:12.5px}.tablewrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 4px 14px rgba(31,39,51,.045)}table{width:100%;border-collapse:collapse;min-width:700px;font-size:12.5px}th{background:var(--teal);color:#fff;text-align:left;padding:10px 11px;white-space:nowrap}td{padding:9px 11px;border-top:1px solid var(--line);vertical-align:top}tr:nth-child(even) td{background:#fbfaf8}.formula{background:#173f45;color:#fff;border-radius:12px;padding:17px 19px;font-size:15px;font-weight:900;text-align:center;letter-spacing:.01em}.formula small{display:block;margin-top:5px;color:rgba(255,255,255,.72);font-size:11.5px;font-weight:500}.back{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--teal-d);font-weight:900}.footer{margin-top:38px;padding-top:17px;border-top:1px solid var(--line);color:#7b8592;font-size:11.5px;text-align:center}@media(max-width:760px){body{font-size:15px}.wrap{padding:14px 12px 42px}.topbar{position:relative;display:block;margin:-14px -12px 14px;padding:11px 12px}.nav{margin-top:9px;gap:6px}.nav a{font-size:11px;padding:5px 8px}.hero{padding:24px 19px;border-radius:15px}.hero h1{font-size:25px;line-height:1.28}.hero p{font-size:13px}.kicker{font-size:10px;letter-spacing:.12em}.section{margin-top:28px}.section h2{font-size:19px}.lead{margin-left:0}.g2,.g3,.g4,.flow{grid-template-columns:1fr}.flow .card:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-18px}.card{padding:14px}.tablewrap{margin:0 -2px}.footer{text-align:left}.formula{text-align:left;font-size:13px}}
@media(max-width:760px){.tablewrap{overflow:visible;background:transparent;border:0;box-shadow:none;margin:0}.tablewrap table,.tablewrap tbody,.tablewrap tr,.tablewrap td{display:block;width:100%;min-width:0}.tablewrap thead{display:none}.tablewrap tr{margin:9px 0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgba(31,39,51,.045)}.tablewrap td,.tablewrap tr:nth-child(even) td{display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px;background:#fff;padding:9px 12px;border-top:1px solid #f0ece6;word-break:break-word}.tablewrap td:first-child{border-top:0}.tablewrap td::before{content:attr(data-label);color:var(--teal-d);font-size:11px;font-weight:900}}
@media print{.topbar{position:relative}.wrap{max-width:none;padding:0}.hero,.card,.tablewrap{box-shadow:none}.nav{display:none}}
html,body{max-width:100%;overflow-x:clip}a,button{touch-action:manipulation;-webkit-tap-highlight-color:rgba(0,107,109,.14)}.brand{min-height:44px}.brand-mark{position:relative;overflow:hidden;flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:#000}.brand-mark img{position:absolute;max-width:none;width:67px;height:67px;left:-16px;top:-9px}.brand-copy{display:flex;flex-direction:column;line-height:1.15}.brand-copy b{font-size:13px}.brand-copy small{font-size:9px;color:var(--sub)}.back{min-height:44px;align-items:center}
@media(max-width:760px){.topbar{overflow:hidden}.brand{gap:8px}.nav{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;padding:4px 0}.nav::-webkit-scrollbar{display:none}.nav a{display:flex;align-items:center;flex:0 0 auto;min-height:40px;scroll-snap-align:start}.hero{padding:22px 18px}.hero h1{font-size:24px}.card p,.card li{font-size:13.5px}.step{min-height:58px}.tablewrap td{min-height:44px}.back{display:inline-flex}}
@media(max-width:350px){.wrap{padding-left:10px;padding-right:10px}.topbar{margin-left:-10px;margin-right:-10px;padding-left:10px;padding-right:10px}.brand-copy b{font-size:12px}.brand-copy small{font-size:8px}.hero h1{font-size:23px}.card{padding:13px}.tablewrap td,.tablewrap tr:nth-child(even) td{grid-template-columns:78px minmax(0,1fr);padding-left:10px;padding-right:10px}}