:root{
    --bg:#F3FBFA;
    --deep-bg:#DCEFED;
    --surface:#FFFFFF;
    --soft:#E6F4F2;
    --title:#12312E;
    --text:#1E3F3B;
    --muted:#4A6E6A;
    --assist:#6F908C;
    --brand:#1A8A80;
    --bright:#2BB3A6;
    --deep:#0E6B63;
    --gold:#C9A24A;
    --ink:#0A3A36;
    --border:rgba(26,138,128,.18);
    --shadow:0 12px 28px rgba(10,58,54,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,a{ -webkit-tap-highlight-color:transparent }
button{font:inherit}
.site-head{position:fixed;inset:0 0 auto 0;z-index:1000}
.qingyan{height:18px;background:var(--ink);color:#fff;font-size:12px}
.qingyan-inner,.guae-inner,.qingdian-inner,.footer-inner,.content-wrap{width:min(960px,calc(100% - 32px));margin:0 auto}
.qingyan-inner{height:18px;position:relative;display:flex;align-items:center;justify-content:space-between}
.top-search{position:absolute;right:0;top:-13px;min-width:64px;min-height:44px;border:0;background:transparent;color:#fff;cursor:pointer;z-index:1}
.guae{height:54px;background:rgba(243,251,250,.98);border-bottom:1px solid var(--border);backdrop-filter:saturate(1.1) blur(8px)}
.guae-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-link{display:flex;align-items:center;min-height:44px}
.brand-logo{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-text{font-size:16px;font-weight:800;color:var(--ink)}
.head-actions{display:flex;align-items:center;gap:8px}
.head-app,.menu-trigger,.btn-primary,.btn-secondary,.inline-link,.close-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 15px;font-size:14px;transition:filter 180ms ease,box-shadow 180ms ease,transform 180ms ease,border-color 180ms ease;background:#fff;color:var(--deep);border:1px solid var(--border);cursor:pointer}
.head-app,.btn-primary{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(26,138,128,.18)}
.menu-trigger{background:#fff;color:var(--ink)}
.qingdian{height:44px;background:var(--soft);border-bottom:1px solid var(--border)}
.qingdian-inner{height:44px;display:flex;align-items:center;gap:18px}
.qingdian-item{min-height:44px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border-radius:10px;color:var(--deep);font-size:13px}
.qingdian-item .dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--brand);background:transparent;flex:0 0 10px}
.qingdian-item.is-current{background:var(--deep);color:#fff;box-shadow:0 6px 16px rgba(26,138,128,.18),0 0 0 1px rgba(43,179,166,.25)}
.qingdian-item.is-current .dot{background:#fff;border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.26)}
.site-main{padding-top:136px;min-height:70vh}
.content-wrap{padding:0 0 56px}
.breadcrumb{font-size:13px;color:var(--assist);margin:0 0 16px}.breadcrumb a{color:var(--deep)}
h1{font-size:24px;line-height:1.3;color:var(--title);margin:0 0 14px;letter-spacing:.01em}
h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 12px}
h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:760px}
.section{margin:0 0 30px}.section-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:22px}
.section-soft{background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:22px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--deep);font-size:13px;font-weight:700;margin-bottom:10px}.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(43,179,166,.12)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{height:42px;white-space:nowrap}.btn-secondary{background:#fff;color:var(--deep)}
.btn-primary:hover,.head-app:hover,.qingdian-item.is-current:hover,.mobile-bottom .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,.head-app:active,.qingdian-item.is-current:active,.mobile-bottom .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:linear-gradient(180deg,#F7FCFB,#E6F4F2);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-empty{width:100%;height:100%}
.slot-176{height:176px}.slot-168{height:168px}.slot-160{height:160px}.slot-banner{height:200px;width:100%}.slot-point{width:240px;height:176px;max-width:100%;border-radius:48% 52% 46% 54% / 44% 46% 54% 56%}.slot-app{width:240px;height:320px;max-width:100%}
.index-intro{padding:24px 0 6px}.index-points{display:flex;gap:14px;margin-bottom:18px}.index-points a{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--deep);min-height:44px}.index-points i{width:11px;height:11px;border-radius:50%;border:2px solid var(--brand);display:inline-block}
.point-cut{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:center}.point-cut .copy{position:relative;padding-left:24px}.point-cut .copy::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:linear-gradient(var(--bright),var(--deep))}
.double-qing{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.double-qing article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.double-qing article:first-child{background:linear-gradient(180deg,#fff,#F3FBFA)}
.point-pages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.point-page{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;position:relative}.point-page::after{content:"";position:absolute;right:18px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.status-row{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--border)}.status-row:first-child{border-top:0}.status-tag{display:inline-flex;width:max-content;align-items:center;justify-content:center;padding:4px 9px;border-radius:999px;background:var(--soft);color:var(--deep);font-size:13px;font-weight:700}
.note-long{column-count:2;column-gap:32px}.note-long p{break-inside:avoid}
.topic-directory{display:grid;grid-template-columns:1fr 1fr;gap:16px}.topic-item{padding:18px;border-radius:12px;border:1px solid var(--border);background:#fff}.topic-item a{color:var(--deep);font-weight:700}
.mirror-list{display:grid;gap:14px}.mirror-list article{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:12px}.mirror-mark{min-height:76px;background:var(--soft);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--deep)}
.wrap-point{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}.wrap-point .visual-stack{display:grid;gap:12px}.icon-slot{width:64px;height:64px;border-radius:14px;background:var(--soft);display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}.icon-slot img{width:48px;height:48px;object-fit:contain}
.term-sections{display:grid;gap:18px}.term-sections section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.term-sections section:nth-child(even){background:var(--soft)}
.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{display:flex;gap:10px;align-items:flex-start}.faq-item h2::before,.faq-item h3::before{content:"Q";flex:0 0 28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--deep);color:#fff;font-size:12px}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.info-block{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.info-block.wide{grid-column:1/-1}
.callout{border-left:4px solid var(--gold);background:#fff;padding:16px 18px;border-radius:0 12px 12px 0;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.list-clean{margin:0;padding-left:1.2em}.list-clean li{margin:0 0 8px}
.mini-links{display:flex;flex-wrap:wrap;gap:10px}.mini-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--deep)}
.brand-banner-copy{margin-top:18px}.brand-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.brand-principles article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}
.site-footer{background:var(--ink);color:#DCEFED;border-top:1px solid rgba(43,179,166,.35);font-size:13px}.footer-inner{padding:30px 0 76px}.footer-brand-link{display:inline-flex;align-items:center;gap:12px;min-height:44px}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-brand span{display:flex;gap:7px;align-items:baseline}.footer-brand small{color:#9BC6C1}.footer-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0}.footer-groups h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-groups a{display:flex;align-items:center;color:#CDE5E2;min-height:44px}.footer-note{color:#BFDAD7;max-width:760px}.footer-copy{color:#8FB8B4;margin-bottom:0}
.screen-mask{position:fixed;inset:0;background:rgba(10,58,54,.34);z-index:1190;opacity:0;pointer-events:none;transition:opacity 180ms ease}.screen-mask.is-visible{opacity:1;pointer-events:auto}.screen-mask[hidden]{display:none}
.gua-menu{position:fixed;z-index:1200;left:16px;top:15%;width:min(36vw,520px);height:auto;max-height:70vh;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 22px 50px rgba(10,58,54,.22);transform:translateX(calc(-100% - 32px));visibility:hidden;pointer-events:none;transition:transform 200ms ease,visibility 200ms ease;overflow:auto}.gua-menu.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.gua-menu-head{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:12px 14px;z-index:2}.gua-menu-brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink)}.gua-menu-brand img{height:24px;width:auto;object-fit:contain}.close-btn{min-width:64px;height:44px}.gua-menu-body{padding:12px 14px 18px}.gua-menu-body section+section{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.gua-menu-body h2{font-size:13px;color:var(--assist);margin:0 0 6px}.gua-menu-body a{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:10px;border-radius:9px}.gua-menu-body a:hover{background:var(--soft)}.gua-menu-body small{color:var(--muted)}
.search-panel{position:fixed;z-index:1210;left:0;right:0;top:72px;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:180ms ease}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:0 0 14px 14px;box-shadow:0 18px 42px rgba(10,58,54,.17);padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.search-head strong{font-size:18px;color:var(--title)}.search-head p{font-size:13px;color:var(--muted);margin:4px 0 0}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 15px;border-radius:10px;background:var(--soft);color:var(--deep);border:1px solid var(--border)}
.mobile-bottom{display:none}.overlay-open{overflow:hidden}
@media (hover:hover){.btn-secondary:hover,.menu-trigger:hover,.inline-link:hover,.mini-links a:hover,.search-presets a:hover{border-color:rgba(26,138,128,.42);box-shadow:0 6px 16px rgba(26,138,128,.10)}}
@media (max-width:760px){
    body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}
    .qingyan-inner,.guae-inner,.content-wrap,.footer-inner{width:calc(100% - 32px)}
    .qingdian{display:none}.site-main{padding-top:92px}
    .head-actions{gap:6px}.head-app,.menu-trigger{padding:0 11px}
    .point-cut,.double-qing,.point-pages,.wrap-point,.info-grid,.topic-directory,.brand-principles{grid-template-columns:1fr}
    .point-cut{gap:16px}.point-cut .copy{padding-left:18px}.slot-point,.slot-app{width:100%}.slot-app{height:320px}
    .note-long{column-count:1}
    .mirror-list article{grid-template-columns:1fr}.mirror-mark{min-height:54px}
    .footer-groups{grid-template-columns:1fr 1fr}.footer-inner{padding-bottom:28px}
    .gua-menu{left:0;top:8%;width:86%;max-width:none;max-height:84vh;border-radius:0 14px 14px 0}.gua-menu-body a{grid-template-columns:1fr;gap:2px}
    .search-panel{inset:0;background:var(--ink);top:0;padding:18px 16px calc(66px + env(safe-area-inset-bottom));overflow:auto}.search-card{width:100%;min-height:100%;margin:0;background:transparent;border:0;box-shadow:none;color:#fff;padding:72px 0 0}.search-head strong,.search-head p{color:#fff}.search-panel .close-btn{background:#fff;color:var(--ink)}.search-presets a{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.2)}
    .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);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(--border);z-index:1100}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--deep)}.mobile-bottom .is-current{background:var(--deep);color:#fff;box-shadow:0 6px 16px rgba(26,138,128,.18)}
    .screen-mask{z-index:1150}.gua-menu{z-index:1200}.mobile-bottom{z-index:1100}
    .slot-banner{height:200px}
}
@media (max-width:420px){
    .head-app{font-size:13px;padding:0 9px}.menu-trigger{font-size:13px;padding:0 9px}.brand-text{font-size:16px}
    .section-card,.section-soft{padding:18px}.footer-groups{grid-template-columns:1fr 1fr;gap:14px}
}