:root{--dark:#1f1b1b;--dark2:#2b2525;--amber:#ff9d4d;--paper:#fff6ee;--ink:#2d2520;--muted:#796e67;--line:#ead8c8;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fffbf8;color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.8}img{display:block;max-width:100%;height:auto}a{color:inherit}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;top:-60px;left:12px;z-index:999;background:#fff;padding:10px}.skip:focus{top:12px}
.header{position:sticky;top:0;z-index:60;background:rgba(31,27,27,.98);color:#fff}.head-grid{min-height:72px;display:grid;grid-template-columns:180px 150px 1fr auto;gap:22px;align-items:center}.brand{display:inline-flex;padding:6px 8px;background:#161313;border:1px solid rgba(255,255,255,.08)}.brand img{height:32px;width:auto;max-width:155px;object-fit:contain}.state span,.state b{display:block}.state span{font-size:8px;color:#a08f82;letter-spacing:.14em}.state b{font-size:14px;color:#fff2e5}.head-grid nav{display:flex;justify-content:center;gap:22px}.head-grid nav a{text-decoration:none;color:#e8d6c7;font-size:13px}.head-cta{display:inline-flex;min-width:140px;min-height:44px;align-items:center;justify-content:center;padding:10px 18px;background:var(--amber);color:#fff;text-decoration:none;font-weight:900;border-radius:999px}
.hero{padding:80px 0;background:linear-gradient(180deg,var(--dark),var(--dark2));color:#fff}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.chip,.section-head>span,.fix-left>span,.matrix-head>span,.helper-grid span,.retry span,.related-grid>div>span,.faq-grid>div>span{font-size:10px;font-weight:900;letter-spacing:.15em;color:#ffcf9a}.hero h1,.section-head h2,.fix-left h2,.matrix-head h2,.helper-grid h2,.retry h2,.related-grid h2,.faq-grid h2,.final h2{margin:0;font-size:clamp(34px,4.6vw,68px);line-height:.98;letter-spacing:-.045em}.hero p{color:#e3d4c7}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.main-cta,.ghost{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:10px 20px;text-decoration:none;font-weight:900;border-radius:999px}.main-cta{background:var(--amber);color:#fff}.ghost{background:rgba(255,255,255,.09);color:#fff;border:1px solid rgba(255,255,255,.12)}.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.chip-row span{padding:8px 12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:999px;font-size:12px}.hero-visual{margin:0;padding:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:24px}.visual-top{display:flex;justify-content:space-between;padding:0 2px 12px;color:#c4b19e;font-size:9px;letter-spacing:.13em}.visual-top b{font-size:20px;color:var(--amber)}.hero-visual img{max-height:420px;width:auto;margin:auto;object-fit:contain}.hero-visual figcaption{text-align:center;padding-top:12px;color:#d4c2b4;font-size:12px}
.reason{padding:86px 0;background:#fff}.section-head{display:grid;grid-template-columns:190px 1fr;gap:24px;margin-bottom:28px}.section-head h2,.fix-left h2,.matrix-head h2,.helper-grid h2,.retry h2,.related-grid h2,.faq-grid h2,.final h2{font-size:clamp(30px,3.1vw,44px);line-height:1.13}.reason-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--dark);border-left:1px solid var(--line)}.reason-grid article{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.reason-grid b{color:var(--amber)}.reason-grid h3{font-size:20px;margin:18px 0 10px}.reason-grid p{color:var(--muted)}
.fix{display:grid;grid-template-columns:1fr 1fr;background:var(--paper)}.fix-left,.fix-right{padding:78px 6vw}.fix-left p{color:var(--muted)}.fix-left ol{list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--line)}.fix-left li{display:grid;grid-template-columns:34px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.fix-left li b{color:var(--amber)}.fix-left li p{margin:4px 0 0}.fix-left a{display:inline-flex;margin-top:24px;padding:11px 20px;background:var(--amber);color:#fff;text-decoration:none;font-weight:900;border-radius:999px}.fix-right{margin:0}.frame-top{display:flex;justify-content:space-between;padding:0 2px 12px;color:#8b7463;font-size:9px;letter-spacing:.13em}.frame-top b{font-size:20px;color:var(--amber)}.fix-right img{max-height:430px;width:auto;margin:auto;object-fit:contain}
.matrix{padding:86px 0;background:#fff}.matrix-head{display:grid;grid-template-columns:190px 1fr;gap:24px;margin-bottom:28px}.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.matrix-grid a{display:flex;flex-direction:column;min-height:240px;padding:24px;background:#fff8f1;border:1px solid var(--line);text-decoration:none;border-radius:18px}.matrix-grid small{color:var(--amber);font-weight:900}.matrix-grid strong{margin-top:28px;font-size:20px}.matrix-grid p{color:var(--muted);margin:10px 0 0}.matrix-grid b{margin-top:auto;color:#b06d30}
.helper{padding:0 0 74px;background:#fff}.helper-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center}.helper-grid p{color:var(--muted)}.helper-grid figure{margin:0;padding:18px;background:#fff8f1;border:1px solid var(--line);border-radius:24px}.helper-grid img{max-height:340px;width:auto;margin:auto;object-fit:contain}
.retry{padding:58px 0;background:#f9efe3}.retry-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.retry p{color:#7d7269}.retry-actions{display:flex;gap:14px;flex-wrap:wrap}.retry-actions a{display:inline-flex;min-width:200px;min-height:52px;align-items:center;justify-content:center;background:var(--dark);color:#fff;text-decoration:none;font-weight:900;border-radius:999px}
.related{padding:82px 0;background:#fff}.related-grid{display:grid;grid-template-columns:.56fr 1.44fr;gap:60px}.related-grid nav{border-top:1px solid var(--line)}.related-grid nav a{min-height:84px;display:grid;grid-template-columns:100px 1fr 20px;gap:18px;align-items:center;border-bottom:1px solid var(--line);text-decoration:none}.related-grid small{color:#ad7038;font-size:9px;font-weight:900}.related-grid b{color:var(--amber)}
.faq{padding:86px 0;background:#fff8f1}.faq-grid{display:grid;grid-template-columns:.58fr 1.42fr;gap:60px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;padding:20px 2px;font-size:18px;font-weight:900}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";float:right;color:var(--amber)}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:-3px 0 22px;padding:0 2px;color:var(--muted)}
.final{padding:56px 0;background:var(--dark);color:#fff}.final-grid{display:grid;grid-template-columns:110px 1fr auto;gap:28px;align-items:center}.final-grid>span{font-size:10px;font-weight:900;letter-spacing:.14em;color:#ffdbb5}.final p{margin:6px 0 0;color:#e6d4c2}.final a{min-width:200px;min-height:52px;display:inline-flex;align-items:center;justify-content:center;background:var(--amber);color:#fff;text-decoration:none;font-weight:900;border-radius:999px}
.footer{padding:50px 0 86px;background:#131111;color:#e6ddd6}.foot-grid{display:grid;grid-template-columns:1fr auto;gap:36px}.foot-grid img{height:31px;width:auto;max-width:155px;object-fit:contain;padding:6px 8px;background:#090808}.foot-grid p{color:#a4968b;font-size:13px}.foot-grid nav{display:flex;gap:18px;flex-wrap:wrap}.foot-grid nav a{color:#e6ddd6;text-decoration:none;font-size:14px}.mobile-bar{display:none}
@media(max-width:900px){.head-grid{grid-template-columns:1fr auto}.state,.head-grid nav{display:none}.hero-grid,.fix,.helper-grid,.related-grid,.faq-grid{grid-template-columns:1fr}.section-head,.matrix-head{grid-template-columns:1fr}.reason-grid,.matrix-grid{grid-template-columns:1fr 1fr}.retry-grid{grid-template-columns:1fr}.retry-actions{flex-direction:column}.retry-actions a,.final a{width:100%}.final-grid{grid-template-columns:1fr}}
@media(max-width:600px){body{font-size:15px;padding-bottom:60px}.shell{width:min(100% - 28px,1180px)}.head-grid{min-height:64px}.brand img{height:28px}.head-cta{font-size:12px;padding:8px 12px}.hero{padding:56px 0}.hero h1{font-size:clamp(42px,14vw,60px)}.hero-actions{flex-direction:column}.main-cta,.ghost{width:100%}.hero-visual img,.fix-right img,.helper-grid img{max-height:300px}.reason,.matrix,.related,.faq{padding:62px 0}.fix-left,.fix-right{padding:56px 22px}.matrix-grid,.reason-grid{grid-template-columns:1fr}.helper{padding:0 0 52px}.foot-grid{grid-template-columns:1fr}.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:rgba(31,27,27,.98);color:#fff}.mobile-bar a{display:inline-flex;min-width:100px;min-height:40px;align-items:center;justify-content:center;background:var(--amber);color:#fff;text-decoration:none;font-weight:900;border-radius:999px}}