:root{--ink:#0c1a27;--muted:#667789;--line:#dfe7ef;--soft:#f7fafc;--lime:#c5f431;--green:#7aa319;--pink:#ffd6df;--panel:#ffffff;--shadow:0 24px 80px rgba(20,35,55,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#f6fafc 58%,#eef5f8 100%);letter-spacing:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.timeline-top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:24px;justify-content:space-between;padding:16px clamp(18px,4vw,52px);background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.timeline-brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:34px;height:34px;border-radius:12px;background:radial-gradient(circle at 30% 25%,#ffb7c7 0 20%,transparent 21%),linear-gradient(135deg,#c5f431,#f7fafc 65%);border:1px solid #d9e4ec;box-shadow:0 8px 24px rgba(122,163,25,.18)}.timeline-brand strong{display:block;font-size:18px}.timeline-brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.top-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.top-nav a{padding:9px 12px;border:1px solid transparent;border-radius:999px;color:#34495a;font-size:14px}.top-nav a:hover{border-color:#cfdbe5;background:#f7fafc}.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;color:var(--ink)}main{overflow:hidden}.home-cover{display:grid;grid-template-columns:minmax(0,.92fr) minmax(420px,1.35fr);gap:28px;align-items:center;padding:48px clamp(18px,4vw,64px) 26px;min-height:calc(100vh - 72px)}.cover-copy{position:relative;z-index:2}.cover-kicker,.section-label,.subhead p:first-child{font-size:13px;color:var(--green);font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}.cover-copy h1{font-size:clamp(42px,6vw,88px);line-height:.98;margin:0 0 22px;max-width:780px}.cover-copy p:not(.cover-kicker){font-size:18px;line-height:1.8;color:#365064;max-width:650px}.cover-actions,.subhead-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.cover-actions a,.subhead-actions a,.status-note a,.support-band a,.article-links a,.signal-card a{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 18px;background:var(--ink);color:white;font-weight:800}.cover-actions a:nth-child(2),.subhead-actions a:nth-child(2),.signal-card a{background:#eef6d2;color:#26370c}.cover-visual{margin:0;border-radius:34px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #e6eef4;background:white}.cover-release{grid-column:1 / -1;border-top:1px solid var(--line);padding-top:22px}.release-rail{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.82);overflow:hidden}.release-rail li{position:relative;padding:20px 20px 22px;border-right:1px solid var(--line);min-height:128px}.release-rail li:last-child{border-right:0}.release-rail time{display:inline-flex;background:#f0f8cc;color:#3e5606;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:900}.release-rail strong{display:block;margin:13px 0 8px;font-size:17px}.release-rail p{margin:0;color:var(--muted);line-height:1.65;font-size:14px}.device-strip,.platform-matrix,.route-grid,.help-groups,.plan-board,.legal-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:28px clamp(18px,4vw,64px)}.signal-card,.platform-matrix article,.route-grid article,.help-groups article,.plan-board article,.legal-grid article{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 12px 36px rgba(20,35,55,.06)}.signal-card h3,.platform-matrix h2,.route-grid h2,.help-groups h2,.plan-board h2{font-size:20px;margin:0 0 12px}.signal-card p,.platform-matrix p,.platform-matrix small,.route-grid p,.help-groups p,.plan-board p,.legal-grid p{color:var(--muted);line-height:1.75;margin:0}.signal-card a{margin-top:18px;padding:9px 12px;font-size:13px}.split-area{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:20px;padding:42px clamp(18px,4vw,64px)}.split-area h2,.article-board h2,.faq-panel h2,.steps-zone h2,.compare-table h2{font-size:clamp(28px,4vw,48px);line-height:1.08;margin:0 0 20px}.status-note,.support-band{background:#0c1a27;color:white;border-radius:26px;padding:30px;align-self:stretch}.status-note p,.support-band p{color:#d7e1e9;line-height:1.75}.status-note a,.support-band a{background:var(--lime);color:#17210a;margin-top:14px}.article-board,.faq-panel,.steps-zone,.compare-table,.status-ledger,.device-timeline,.contact-desk{padding:42px clamp(18px,4vw,64px)}.board-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.board-head a{border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:#44596b}.article-list{display:grid;gap:12px}.article-row{display:grid;grid-template-columns:110px 92px minmax(0,1fr) minmax(220px,.75fr);gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.article-row time{color:#4a5b68;font-weight:800}.article-row span{background:#f2f8d4;color:#455e0c;border-radius:999px;padding:6px 10px;text-align:center;font-size:13px;font-weight:800}.article-row h3{margin:0;font-size:20px}.article-row p{margin:0;color:var(--muted);line-height:1.55}.faq-list{display:grid;gap:10px;max-width:960px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.faq-list summary{cursor:pointer;font-weight:900}.faq-list p{color:var(--muted);line-height:1.7}.subhead{padding:70px clamp(18px,4vw,64px) 38px;background:linear-gradient(135deg,#fff,#f3f8fb);border-bottom:1px solid var(--line)}.subhead h1{font-size:clamp(36px,5vw,70px);line-height:1.05;margin:0 0 18px;max-width:980px}.subhead div{max-width:860px;color:#465d70;line-height:1.8;font-size:18px}.platform-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}.platform-matrix article{min-height:180px}.steps-zone ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:0}.steps-zone li{background:#fff;border-left:5px solid var(--lime);border-radius:18px;padding:22px;box-shadow:0 12px 32px rgba(20,35,55,.06)}.steps-zone p{color:var(--muted);line-height:1.7}.support-band{margin:36px clamp(18px,4vw,64px)}.device-timeline{display:grid;gap:14px}.device-timeline article{scroll-margin-top:96px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:grid;grid-template-columns:150px minmax(0,1fr) minmax(220px,.8fr) auto;gap:16px;align-items:center}.device-timeline span{font-weight:900;color:var(--green)}.device-timeline h2{margin:0;font-size:22px}.device-timeline p{margin:0;color:var(--muted);line-height:1.65}.device-timeline a{border:1px solid var(--line);border-radius:999px;padding:10px 14px;text-align:center}.compare-table div{overflow-x:auto}.compare-table table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.compare-table th,.compare-table td{padding:16px;border-bottom:1px solid var(--line);text-align:left;min-width:180px}.compare-table th{background:#f2f8d4}.status-ledger .release-rail{grid-template-columns:repeat(4,minmax(0,1fr))}.route-grid,.help-groups,.plan-board{grid-template-columns:repeat(4,minmax(0,1fr))}.plan-board{grid-template-columns:repeat(3,minmax(0,1fr))}.contact-desk{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-desk>div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px}.contact-desk p,.contact-desk li{color:var(--muted);line-height:1.75}.article-sheet{max-width:920px;margin:42px auto;padding:0 22px}.article-sheet p{font-size:17px;line-height:1.85;color:#394f61}.article-sheet h2{font-size:30px;margin-top:38px}.article-date{color:var(--green)!important;font-weight:800}.article-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}.timeline-footer{display:grid;grid-template-columns:minmax(220px,.6fr) minmax(0,1.4fr);gap:28px;padding:40px clamp(18px,4vw,64px);border-top:1px solid var(--line);background:#07131e;color:white}.timeline-footer p,.timeline-footer a{color:#c8d5df;line-height:1.7}.timeline-footer nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.timeline-footer strong,.timeline-footer a{display:block}.timeline-footer a{margin-top:8px}.timeline-footer b{font-size:22px}@media (max-width:980px){.home-cover,.split-area,.contact-desk,.timeline-footer{grid-template-columns:1fr}.home-cover{min-height:auto}.release-rail,.device-strip,.platform-matrix,.route-grid,.help-groups,.plan-board,.legal-grid,.status-ledger .release-rail{grid-template-columns:1fr 1fr}.article-row{grid-template-columns:100px 90px minmax(0,1fr)}.article-row p{grid-column:1 / -1}.device-timeline article{grid-template-columns:1fr}.steps-zone ol{grid-template-columns:1fr}.timeline-footer nav{grid-template-columns:1fr 1fr}}@media (max-width:640px){.timeline-top{align-items:flex-start}.menu-button{display:inline-flex}.top-nav{display:none;position:absolute;left:18px;right:18px;top:64px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.top-nav.is-open{display:grid}.top-nav a{border-color:#edf2f6}.timeline-brand strong{font-size:16px}.home-cover{padding-top:32px;grid-template-columns:1fr}.cover-copy h1{font-size:40px;line-height:1.06}.cover-copy p:not(.cover-kicker),.subhead div{font-size:16px}.cover-visual{border-radius:22px}.release-rail,.device-strip,.platform-matrix,.route-grid,.help-groups,.plan-board,.legal-grid,.status-ledger .release-rail,.timeline-footer nav{grid-template-columns:1fr}.release-rail li{border-right:0;border-bottom:1px solid var(--line)}.release-rail li:last-child{border-bottom:0}.board-head{display:block}.board-head a{display:inline-flex;margin-top:10px}.article-row{grid-template-columns:1fr;gap:10px}.article-row span{width:max-content}.subhead{padding-top:42px}.subhead h1{font-size:34px}.split-area h2,.article-board h2,.faq-panel h2,.steps-zone h2,.compare-table h2{font-size:30px}.timeline-footer{padding-bottom:72px}}
@media (max-width:640px){
  .home-cover{grid-template-columns:minmax(0,1fr);padding-left:20px;padding-right:20px}
  .cover-copy,.cover-copy h1,.cover-copy p{min-width:0;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
  .cover-copy h1{font-size:31px;line-height:1.16}
  .cover-copy p:not(.cover-kicker){font-size:15px;line-height:1.9}
  .subhead,.subhead h1,.subhead div,.platform-matrix article,.platform-matrix p,.platform-matrix small{min-width:0;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
  .subhead h1{font-size:30px;line-height:1.18}
}