:root{--paper:#fbfdfb;--ink:#10232a;--muted:#55696e;--line:#dce9e7;--cyan:#25bfd1;--lime:#7bdc5b;--coral:#ff8668;--wash:#eef9f7;--panel:#fff;--shadow:0 22px 70px rgba(31,58,63,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65;letter-spacing:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:5rem;line-height:.98;margin-bottom:20px;max-width:940px;letter-spacing:0}h2{font-size:2.35rem;line-height:1.12;margin-bottom:12px;letter-spacing:0}h3{font-size:1.03rem;line-height:1.3;margin-bottom:8px;letter-spacing:0}p{color:var(--muted)}:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.plate-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px clamp(18px,4vw,58px);background:rgba(251,253,251,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.plate-brand{display:flex;align-items:center;gap:10px;min-width:0}.plate-brand strong{white-space:nowrap}.plate-brand-mark{width:30px;height:30px;border-radius:6px;background:linear-gradient(135deg,var(--cyan),#fff 46%,var(--lime));border:1px solid #fff;box-shadow:0 8px 20px rgba(37,191,209,.22)}.plate-nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.plate-nav a{padding:8px 10px;border:1px solid transparent;border-radius:6px;color:#233b42;font-size:.94rem}.plate-nav a:hover{border-color:var(--line);background:#fff}.plate-menu{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:6px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.plate-menu span{width:18px;height:2px;background:var(--ink)}.plate-menu em{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
.plate-hero{min-height:calc(100vh - 84px);position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:center;gap:36px;padding:46px clamp(18px,5vw,76px) 26px;overflow:hidden;border-bottom:1px solid var(--line)}.plate-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.plate-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,253,251,.95) 0%,rgba(251,253,251,.8) 46%,rgba(251,253,251,.36) 100%);z-index:-1}.plate-hero-copy{max-width:920px}.plate-kicker{font-size:.76rem;text-transform:uppercase;color:#237480;font-weight:800;letter-spacing:0;margin-bottom:12px}.plate-lead{font-size:1.18rem;max-width:780px}.plate-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.plate-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:6px;background:var(--ink);color:#fff;font-weight:800;border:1px solid var(--ink)}.plate-button-ghost{background:#fff;color:var(--ink);border-color:#bdd8d6}.plate-address-rail{align-self:end;display:grid;gap:10px;max-width:460px;margin-left:auto}.plate-address-rail a,.plate-light-table a{background:rgba(255,255,255,.82);border:1px solid rgba(177,218,216,.88);box-shadow:0 16px 40px rgba(28,64,70,.1);padding:14px;border-radius:6px}.plate-address-rail span,.plate-light-table span{display:block;font-weight:900;margin-bottom:5px}.plate-address-rail small,.plate-light-table p{display:block;color:var(--muted);font-size:.9rem;margin:0}.plate-section{padding:72px clamp(18px,5vw,76px);max-width:1380px;margin:0 auto}.plate-section-head{max-width:780px;margin-bottom:28px}.plate-index-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid var(--line);background:#fff}.plate-index-item{min-height:170px;padding:18px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.plate-index-item:last-child{border-right:0}.plate-index-item b{color:var(--coral);font-size:.83rem}.plate-index-item span{font-weight:900;font-size:1.06rem}.plate-index-item small{color:var(--muted)}.plate-band{padding:76px clamp(18px,5vw,76px);background:var(--wash);border-block:1px solid var(--line)}.plate-band-inner{max-width:1380px;margin:0 auto;display:grid;grid-template-columns:340px minmax(0,1fr);gap:36px;align-items:start}.plate-device-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.plate-device-card{background:#fff;border:1px solid #d9eae8;border-radius:6px;padding:18px;min-width:0}.plate-device-card span{display:inline-flex;padding:4px 8px;border-radius:5px;background:#ebfbff;color:#106e79;font-size:.78rem;font-weight:900;margin-bottom:12px}.plate-device-card p{font-size:.94rem}.plate-device-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}.plate-ledger-table{display:grid;gap:0;border:1px solid var(--line);background:#fff}.plate-ledger-row{display:grid;grid-template-columns:170px 1fr 1fr 1fr;gap:16px;padding:18px;border-bottom:1px solid var(--line);align-items:start}.plate-ledger-row:last-child{border-bottom:0}.plate-ledger-row h2,.plate-ledger-row h3{font-size:1rem;margin:0}.plate-ledger-row p,.plate-ledger-row small{margin:0;color:var(--muted)}.plate-atlas-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.plate-atlas-grid article{background:#fff;border:1px solid #d7e8e5;border-radius:6px;padding:16px;min-height:178px}.plate-atlas-grid span{display:block;color:var(--coral);font-weight:900;margin-bottom:8px}.plate-atlas-grid b{display:block;line-height:1.3;margin-bottom:8px}.plate-atlas-grid p{font-size:.92rem}.plate-article-strip{display:grid;grid-template-columns:repeat(7,minmax(210px,1fr));gap:10px;overflow-x:auto;padding-bottom:6px}.plate-article-card{min-height:244px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column}.plate-article-card span{color:#237480;font-weight:900;font-size:.82rem}.plate-article-card time{font-size:.82rem;color:#6b7e82;margin:6px 0 12px}.plate-article-card h3{font-size:1rem}.plate-article-card p{font-size:.92rem;margin-bottom:0}.plate-faq-drawer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.plate-faq-drawer details{background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px}.plate-faq-drawer summary{cursor:pointer;font-weight:900}.plate-faq-drawer p{margin:10px 0 0}.plate-inner{padding:42px clamp(18px,5vw,76px) 76px;max-width:1260px;margin:0 auto}.plate-inner-hero{padding:52px 0 34px;border-bottom:1px solid var(--line);margin-bottom:28px}.plate-inner-hero h1{font-size:3.8rem;max-width:980px}.plate-inner-hero p{max-width:820px;font-size:1.08rem}.plate-light-table{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:28px}.plate-copy-block{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px;margin:28px 0}.plate-step-line{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.plate-step-line article,.plate-note-grid article,.plate-issue-bank article{background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px}.plate-step-line b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:6px;background:#e9fbfd;color:#126f7b;margin-bottom:12px}.plate-note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:28px 0}.plate-device-page,.plate-route-page,.plate-pricing{margin:28px 0}.plate-route-page{grid-template-columns:repeat(5,minmax(0,1fr))}.plate-issue-bank{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:24px}.plate-article-page{grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.plate-article-main{padding:52px clamp(18px,5vw,76px) 76px}.plate-article-body{max-width:880px;margin:0 auto}.plate-article-body h1{font-size:3.85rem;line-height:1.03}.plate-article-body time{display:inline-block;color:#62767b;margin-bottom:18px}.plate-article-lead{font-size:1.16rem;color:#344b51}.plate-article-body section{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.plate-breadcrumb{display:flex;gap:9px;flex-wrap:wrap;color:#5a7277;font-size:.92rem;margin-bottom:26px}.plate-related{margin-top:34px;padding:18px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;gap:10px;flex-wrap:wrap;align-items:center}.plate-related h2{font-size:1rem;margin:0 10px 0 0}.plate-related a{padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#f9fffe}.plate-footer{background:#10232a;color:#fff;padding:42px clamp(18px,5vw,76px) 22px}.plate-footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:24px;max-width:1380px;margin:0 auto}.plate-footer h2{font-size:1rem;color:#fff}.plate-footer p,.plate-footer a{color:#c8dbdf}.plate-footer a{display:block;margin:6px 0}.plate-footer-note{max-width:1380px;margin:28px auto 0;color:#b9d0d4;font-size:.9rem}
@media (max-width:1050px){.plate-hero{grid-template-columns:1fr;min-height:auto}.plate-address-rail{margin-left:0;max-width:none;grid-template-columns:repeat(2,minmax(0,1fr))}.plate-index-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.plate-index-item{border-bottom:1px solid var(--line)}.plate-band-inner{grid-template-columns:1fr}.plate-device-strip,.plate-atlas-grid,.plate-light-table,.plate-note-grid,.plate-issue-bank,.plate-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.plate-ledger-row{grid-template-columns:1fr 1fr}.plate-article-page{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){body{overflow-x:hidden}.plate-header{padding:12px 16px}.plate-menu{display:flex}.plate-nav{position:absolute;left:12px;right:12px;top:64px;display:none;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);padding:8px}.plate-nav.is-open{display:grid}.plate-nav a{padding:11px}.plate-hero{padding:24px 16px 10px}.plate-hero:after{background:rgba(251,253,251,.82)}h1{font-size:2.35rem}.plate-hero-actions{align-items:stretch}.plate-button{width:100%}.plate-address-rail,.plate-index-grid,.plate-device-strip,.plate-atlas-grid,.plate-light-table,.plate-note-grid,.plate-issue-bank,.plate-faq-drawer,.plate-footer-grid,.plate-article-page{grid-template-columns:1fr}.plate-index-item{min-height:auto;border-right:0}.plate-section,.plate-band,.plate-inner,.plate-article-main{padding-left:16px;padding-right:16px}.plate-ledger-row,.plate-step-line{grid-template-columns:1fr}.plate-article-strip{grid-template-columns:1fr;overflow:visible}.plate-article-card{min-height:0}.plate-footer{padding-left:16px;padding-right:16px}.plate-address-rail{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.plate-address-rail a{padding:8px}.plate-address-rail small{font-size:.78rem;line-height:1.35}.plate-lead{font-size:.96rem}.plate-hero-actions{margin:18px 0}h2{font-size:1.7rem}.plate-brand strong{max-width:58vw;overflow:hidden;text-overflow:ellipsis}.plate-related{display:grid}.plate-related h2{margin:0}}