:root {
    --bg:#F3FBFA; --deep-bg:#DCEFED; --card:#FFFFFF; --soft:#E6F4F2;
    --title:#12312E; --text:#1E3F3B; --muted:#4A6E6A; --light-muted:#6F908C;
    --brand:#1A8A80; --bright:#2BB3A6; --deep:#0E6B63; --gold:#C9A24A; --ink:#0A3A36;
    --line:rgba(26,138,128,.18); --shadow:0 12px 28px rgba(10,58,54,.08);
    --glow:0 6px 16px rgba(26,138,128,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.7;overflow-x:hidden}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none} button{font:inherit}
img{max-width:100%;display:block}
.site-header{position:relative;z-index:1000}
.top-strip,.masthead,.dot-nav{position:fixed;left:0;right:0;z-index:1000}
.top-strip{top:0;height:18px;background:var(--deep);color:#fff;font-size:12px}
.top-strip-inner,.masthead-inner,.dot-nav-inner{width:min(960px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.top-strip-inner{height:18px}.text-button{border:0;background:transparent;color:#fff;padding:0 2px;cursor:pointer;font-size:12px}
.masthead{top:18px;height:54px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.masthead-inner{height:54px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}
.mast-actions{display:flex;align-items:center;gap:8px}.header-link,.menu-button{min-height:44px;padding:0 14px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.header-link{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:var(--glow)}
.menu-button{border:1px solid var(--line);background:#fff;color:var(--deep);cursor:pointer}
.dot-nav{top:72px;height:44px;background:var(--soft);border-bottom:1px solid var(--line)}
.dot-nav-inner{height:44px;justify-content:flex-start;gap:22px}.dot-link{height:44px;padding:0 12px;display:flex;gap:7px;align-items:center;border-radius:999px;color:var(--deep);font-size:13px}
.dot-mark{width:10px;height:10px;border-radius:50%;border:2px solid var(--brand);background:#fff}.dot-link.is-current{background:var(--deep);color:#fff;box-shadow:var(--glow)}.dot-link.is-current .dot-mark{background:#fff;border-color:#fff;box-shadow:0 0 0 3px rgba(43,179,166,.28)}
.site-main{width:min(960px,calc(100% - 32px));margin:0 auto;padding:140px 0 56px}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:16px}.breadcrumbs a{color:var(--deep)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--deep);font-weight:800;margin-bottom:6px}.hero-copy{max-width:760px}.hero-copy h1,.page-head h1{font-size:24px;line-height:1.3;margin:0 0 10px;color:var(--title)}
h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 10px}h3{font-size:16px;line-height:1.5;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.lead{font-size:17px;color:var(--deep);font-weight:700}.muted{color:var(--muted)}
.section{margin-top:34px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:22px}.soft-card{background:var(--soft)}
.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{min-height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;transition:filter .18s ease,box-shadow .18s ease,transform .18s ease}.btn-primary{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:var(--glow)}.btn-secondary{background:#fff;color:var(--deep);border:1px solid var(--line)}
.btn-primary:hover,.header-link:hover,.dot-link.is-current:hover,.mobile-bottom a.is-current:hover{filter:brightness(1.05);box-shadow:0 0 0 3px rgba(43,179,166,.28),0 10px 24px rgba(14,107,99,.28)}
.btn-primary:active,.header-link:active,.dot-link.is-current:active,.mobile-bottom a.is-current:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(43,179,166,.40),0 0 22px rgba(43,179,166,.55)}
a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:2px}
.media-slot{background:#eef8f6;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.horizontal{height:168px;width:100%}.media-slot.short{height:160px}.media-slot.point{height:176px;width:240px;max-width:100%}.media-slot.tall{height:320px;width:240px;max-width:100%}.media-slot.banner{height:200px;width:100%}
.index-points{display:flex;gap:12px;margin:0 0 18px}.index-points a{padding:8px 13px;background:var(--soft);border:1px solid var(--line);border-radius:999px;color:var(--deep);font-size:13px}
.point-cut{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:center}.point-cut .copy{padding:8px 0}.point-list{display:grid;gap:8px;margin-top:14px}.point-list a{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px dashed var(--line)}.point-list a:last-child{border-bottom:0}.point-list span{color:var(--muted)}
.double-green{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.green-panel{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:20px}.green-panel strong{color:var(--deep)}
.point-pages{display:grid;grid-template-columns:1fr 1fr;gap:16px}.point-page{background:#fff;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:18px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.status-block{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.status-row:last-child{border-bottom:0}.status-label{font-size:13px;font-weight:800;color:#fff;background:var(--deep);padding:5px 10px;border-radius:999px;text-align:center}.status-label.gold{background:var(--gold);color:#fff}.status-label.soft{background:var(--brand);color:#fff}
.longread{max-width:800px;margin:0 auto}.longread p{margin-bottom:16px}.editor-note{padding:16px 18px;border-left:4px solid var(--gold);background:#fffaf0;border-radius:0 12px 12px 0;color:#5b4a1e}
.topic-directory{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:110px 1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.topic-row:last-child{border-bottom:0}.topic-tag{color:var(--deep);font-weight:800}.topic-row a{color:var(--deep);font-weight:700}
.mirror-flow{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.mirror-notes{display:grid;gap:12px}.mirror-note{padding:16px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.contact-paths{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-path{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.contact-path a{color:var(--deep);font-weight:800}
.wrap-app{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:start}.app-icon-line{display:flex;align-items:center;gap:12px;margin-bottom:12px}.app-icon-slot{width:48px;height:48px;border-radius:12px;background:var(--soft);overflow:hidden;display:flex;align-items:center;justify-content:center}.app-icon-slot img{width:48px;height:48px;object-fit:contain}
.term-sections{display:grid;gap:14px}.term-sections section{padding:18px;border:1px solid var(--line);background:#fff;border-radius:12px}.term-sections section:nth-child(even){background:var(--soft)}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.help-grid article{padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}
.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--title)}.faq-list details p{margin-top:12px;color:var(--text)}
.brand-statement{display:grid;grid-template-columns:1fr 1fr;gap:16px}.brand-statement article{padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}
.site-footer{background:var(--ink);color:#DCEFED;border-top:1px solid rgba(43,179,166,.35);font-size:13px}.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto;padding:30px 0 28px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-brand div{display:grid}.footer-brand span{font-size:12px;color:#9bc9c3}.footer-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.footer-groups section{display:grid;gap:5px}.footer-groups h2{font-size:14px;color:#fff;margin-bottom:4px}.footer-groups a{color:#DCEFED}.footer-note{margin-top:22px;color:#c1ded9}.copyright{color:#9bc9c3;margin:4px 0 0}
.site-overlay{position:fixed;inset:0;background:rgba(5,35,32,.36);z-index:1200;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.menu-panel{position:fixed;top:18px;left:16px;width:min(36vw,420px);max-height:70vh;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 22px 60px rgba(10,58,54,.22);z-index:1300;transform:translateX(calc(-100% - 24px));visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s ease;overflow:hidden}.menu-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.panel-brand{display:flex;gap:10px;align-items:center}.panel-brand img{height:24px;width:auto;object-fit:contain}.panel-brand div{display:grid}.panel-brand span{font-size:11px;color:var(--muted)}.panel-close{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--deep);cursor:pointer}.panel-scroll{overflow:auto;max-height:calc(70vh - 64px);padding:14px}.panel-group{display:grid;gap:7px;margin-bottom:14px}.panel-group h2{font-size:13px;color:var(--muted);margin:0 0 2px}.panel-group a{display:grid;grid-template-columns:116px 1fr;gap:10px;padding:10px 11px;border-radius:10px;background:var(--soft)}.panel-group b{font-size:13px;color:var(--deep)}.panel-group span{font-size:12px;color:var(--muted)}
.search-layer{position:fixed;left:0;right:0;top:72px;z-index:1250;display:flex;justify-content:center;padding:12px 16px;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(760px,100%);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px rgba(10,58,54,.2);padding:20px}.search-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.search-head h2{margin-bottom:0}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;background:var(--soft);border-radius:10px;color:var(--deep);font-weight:800}
.mobile-bottom{display:none}
.page-head{margin-bottom:22px}.page-head p{max-width:760px}.section-intro{max-width:760px;color:var(--muted)}
.quote-strip{padding:14px 18px;border-radius:12px;background:var(--deep);color:#fff;margin:18px 0}.mini-links{display:flex;flex-wrap:wrap;gap:8px}.mini-links a{padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.stack{display:grid;gap:14px}.accent-card{padding:18px;border-radius:12px;background:var(--deep);color:#fff}.accent-card h2,.accent-card h3{color:#fff}
.timeline-clean{display:grid;gap:0}.timeline-clean article{position:relative;padding:0 0 20px 28px}.timeline-clean article:before{content:"";position:absolute;left:4px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--soft)}.timeline-clean article:after{content:"";position:absolute;left:8px;top:19px;bottom:0;width:2px;background:var(--line)}.timeline-clean article:last-child:after{display:none}
.notice{padding:16px;border-radius:12px;background:#fffaf0;border:1px solid rgba(201,162,74,.28);color:#5e4b1c}
@media (max-width:760px){
    .dot-nav{display:none}.site-main{padding-top:92px;padding-bottom:82px}.masthead-inner,.top-strip-inner,.footer-inner{width:calc(100% - 32px)}
    .mast-actions{gap:5px}.header-link,.menu-button{padding:0 11px}.point-cut,.double-green,.point-pages,.mirror-flow,.contact-paths,.wrap-app,.brand-statement,.two-col{grid-template-columns:1fr}.point-cut .media-slot.point,.wrap-app .media-slot.tall{justify-self:center}.topic-row{grid-template-columns:1fr}.status-row{grid-template-columns:1fr}.help-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.menu-panel{top:18px;left:12px;width:86vw;max-height:70vh}.panel-scroll{max-height:calc(70vh - 64px)}.panel-group a{grid-template-columns:104px 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:1100}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--deep)}.mobile-bottom a.is-current{background:var(--deep);color:#fff;box-shadow:var(--glow)}.search-layer{inset:0;padding:0;background:var(--deep);align-items:stretch}.search-card{border:0;border-radius:0;background:var(--deep);color:#fff;width:100%;padding:76px 16px 28px;box-shadow:none}.search-head h2,.search-card .eyebrow{color:#fff}.search-card .panel-close{background:#fff}.search-presets{grid-template-columns:repeat(2,1fr)}.search-presets a{background:#fff;color:var(--deep)}.search-card p{color:#DCEFED}.footer-inner{padding-bottom:76px}
}
@media (max-width:420px){.footer-groups{grid-template-columns:1fr}.panel-group a{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr 1fr}}