:root{--ink:#101719;--ink-2:#253033;--paper:#F2F3EF;--card:#FFF;--accent:#DE4A18;--accent-ink:#B93A0E;
--steel:#6C7873;--hair:rgba(16,23,25,.14);--sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.top{border-bottom:1px solid var(--hair);background:rgba(242,243,239,.92);position:sticky;top:0;z-index:5;backdrop-filter:blur(8px)}
.top__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;letter-spacing:.04em}
.mark svg{width:26px;height:26px}
.top__nav{display:flex;gap:18px;font-size:13px;color:var(--steel)}
.top__nav a{text-decoration:none}
.top__nav a:hover{color:var(--accent)}
.top__tel{font-size:13px;font-weight:600;text-decoration:none;color:var(--accent);border:1px solid rgba(222,74,24,.4);padding:7px 12px;border-radius:2px}
.crumb{font-size:12.5px;color:var(--steel);padding:22px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--accent)}
.head{padding:24px 0 6px;border-bottom:1px solid var(--hair)}
.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin:0}
h1{font:600 clamp(28px,4.4vw,42px)/1.12 var(--sans);margin:10px 0 0;letter-spacing:-.01em}
h1 span{display:block;font-size:.54em;font-weight:500;color:var(--steel);margin-top:8px;letter-spacing:0}
.lede{margin:16px 0 0;color:var(--ink-2);font-size:16.5px;max-width:78ch}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
.meta span{font-size:12.5px;padding:5px 10px;border:1px solid var(--hair);background:#fff;border-radius:2px;color:var(--ink-2)}
section.blk{padding:30px 0;border-bottom:1px solid var(--hair)}
h2{font:600 19px/1.3 var(--sans);margin:0 0 14px;letter-spacing:.01em}
h2 em{font-style:normal;color:var(--steel);font-weight:500;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-left:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:16px}
.grid a{display:block;background:#fff;border:1px solid var(--hair);border-radius:2px;padding:14px;text-decoration:none;transition:border-color .2s ease,transform .2s ease}
.grid a:hover{border-color:rgba(222,74,24,.5);transform:translateY(-2px)}
.grid .ph{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;margin-bottom:10px;overflow:hidden}
.grid .ph img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.grid .ph--photo img{object-fit:cover;mix-blend-mode:normal}
.grid b{font-size:15px;display:block}
.grid small{color:var(--steel);font-size:12px;display:block;margin-top:2px}
.grid p{margin:8px 0 0;font-size:13px;color:var(--ink-2);line-height:1.6}
.points{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.points div{border-left:2px solid var(--accent);padding:2px 0 2px 14px}
.points b{display:block;font-size:14.5px;margin-bottom:5px}
.points p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.65}
.faq details{border-top:1px solid var(--hair);padding:14px 0}
.faq details p{margin:8px 0 0;font-size:14px;color:var(--ink-2);max-width:82ch}
.faq summary{cursor:pointer;font-size:14.5px;font-weight:500;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.tbl{width:100%;border-collapse:collapse;margin:10px 0 6px;font-size:13.5px;background:#fff}
.tbl th,.tbl td{border:1px solid var(--hair);padding:9px 11px;text-align:left;vertical-align:top}
.tbl th{font-weight:600;background:#FBFBF8}
.prose p{margin:0 0 12px;color:var(--ink-2);font-size:15.5px;max-width:78ch}
.prose h3{font:600 15.5px/1.4 var(--sans);margin:20px 0 8px}
.links a{font-size:13px;text-decoration:none;border:1px solid var(--hair);background:#fff;padding:7px 12px;border-radius:2px;color:var(--ink-2)}
.links a:hover{border-color:rgba(222,74,24,.5);color:var(--accent)}
footer{border-top:1px solid var(--hair);margin-top:40px;padding:28px 0 40px;font-size:12.5px;color:var(--steel)}
footer .fone{display:flex;flex-wrap:wrap;gap:10px 26px;margin-bottom:12px;color:var(--ink-2);font-size:13px}
footer p{margin:0 0 8px;line-height:1.7;max-width:88ch}
@media (max-width:820px){.top__nav{display:none}section.blk{padding:24px 0}}
.geo{margin-top:26px;padding-top:22px;border-top:1px solid var(--hair,rgba(16,23,25,.16))}.geo h2{margin:0 0 10px;font:600 17px/1.35 var(--sans,sans-serif);letter-spacing:.01em}.geo h2 em{font:500 11px/1 var(--sans,sans-serif);letter-spacing:.14em;text-transform:uppercase;color:var(--steel,#76827E);margin-left:10px;font-style:normal}.geo__lede{margin:0;color:var(--steel,#76827E);font-size:13.5px;line-height:1.8}.geo__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px;margin:16px 0 0}.geo__grid h3{margin:0 0 5px;font:600 12.5px/1.4 var(--sans,sans-serif);letter-spacing:.05em}.geo__grid p{margin:0;color:var(--steel,#76827E);font-size:12.5px;line-height:1.72}.geo__cta{margin:16px 0 0;padding-top:13px;border-top:1px solid var(--hair,rgba(16,23,25,.16));font-size:13px;line-height:1.8}.geo__cta a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}@media(max-width:720px){.geo__grid{grid-template-columns:1fr}}.buy__ask{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}.buy__ask li{font-size:12px;line-height:1;padding:7px 10px;border:1px solid var(--hair,rgba(16,23,25,.16));color:var(--steel,#76827E);border-radius:2px}.buy__ask{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}.buy__ask li{font-size:12px;line-height:1;padding:7px 10px;border:1px solid var(--hair,rgba(16,23,25,.16));color:var(--steel,#76827E);border-radius:2px}.use__steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.use__steps li{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--ink,#101719)}.use__steps b{flex:0 0 22px;height:22px;line-height:22px;text-align:center;font:600 11px/22px var(--sans,sans-serif);color:#fff;background:var(--accent-ink,#B93A0E);border-radius:2px}.use__steps span{flex:1;color:var(--steel,#76827E)}.use__link{margin:14px 0 0;font-size:13px}.use__link a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}.use__steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.use__steps li{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--ink,#101719)}.use__steps b{flex:0 0 22px;height:22px;line-height:22px;text-align:center;font:600 11px/22px var(--sans,sans-serif);color:#fff;background:var(--accent-ink,#B93A0E);border-radius:2px}.use__steps span{flex:1;color:var(--steel,#76827E)}.use__link{margin:14px 0 0;font-size:13px}.use__link a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}.use__index{margin:14px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.use__index li{display:flex;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px solid var(--hair,rgba(16,23,25,.16));font-size:13px}.use__index a{color:var(--ink,#101719);border-bottom:1px solid var(--hair,rgba(16,23,25,.16))}.use__index span{color:var(--steel,#76827E);font-size:12px}@media(max-width:720px){.use__index{grid-template-columns:1fr}}.use__steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.use__steps li{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--ink,#101719)}.use__steps b{flex:0 0 22px;height:22px;line-height:22px;text-align:center;font:600 11px/22px var(--sans,sans-serif);color:#fff;background:var(--accent-ink,#B93A0E);border-radius:2px}.use__steps span{flex:1;color:var(--steel,#76827E)}.use__link{margin:14px 0 0;font-size:13px}.use__link a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}.use__index{margin:14px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.use__index li{display:flex;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px solid var(--hair,rgba(16,23,25,.16));font-size:13px}.use__index a{color:var(--ink,#101719);border-bottom:1px solid var(--hair,rgba(16,23,25,.16))}.use__index span{color:var(--steel,#76827E);font-size:12px}@media(max-width:720px){.use__index{grid-template-columns:1fr}}.use__steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.use__steps li{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--ink,#101719)}.use__steps b{flex:0 0 22px;height:22px;line-height:22px;text-align:center;font:600 11px/22px var(--sans,sans-serif);color:#fff;background:var(--accent-ink,#B93A0E);border-radius:2px}.use__steps span{flex:1;color:var(--steel,#76827E)}.use__link{margin:14px 0 0;font-size:13px}.use__link a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}.use__index{margin:14px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.use__index li{display:flex;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px solid var(--hair,rgba(16,23,25,.16));font-size:13px}.use__index a{color:var(--ink,#101719);border-bottom:1px solid var(--hair,rgba(16,23,25,.16))}.use__index span{color:var(--steel,#76827E);font-size:12px}@media(max-width:720px){.use__index{grid-template-columns:1fr}}.use__steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.use__steps li{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--ink,#101719)}.use__steps b{flex:0 0 22px;height:22px;line-height:22px;text-align:center;font:600 11px/22px var(--sans,sans-serif);color:#fff;background:var(--accent-ink,#B93A0E);border-radius:2px}.use__steps span{flex:1;color:var(--steel,#76827E)}.use__link{margin:14px 0 0;font-size:13px}.use__link a{color:var(--accent-ink,#B93A0E);border-bottom:1px solid currentColor}.use__index{margin:14px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.use__index li{display:flex;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px solid var(--hair,rgba(16,23,25,.16));font-size:13px}.use__index a{color:var(--ink,#101719);border-bottom:1px solid var(--hair,rgba(16,23,25,.16))}.use__index span{color:var(--steel,#76827E);font-size:12px}@media(max-width:720px){.use__index{grid-template-columns:1fr}}

/* ==== 2026-11-08 静态站优化补丁 ==== */
picture { display: contents; }
.contact-list { list-style: none; margin: 14px 0 18px; padding: 0; display: grid; gap: 10px; }
.contact-list li { font-size: 15px; line-height: 1.7; }
.contact-list a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.model-more { text-align: center; padding: 26px 0 4px; font-size: 15px; line-height: 1.7; }
.model-more a { color: #DE4A18; font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }