:root{
  --bg:#FFF6F4;--deep:#F6E4E2;--surface:#FFFFFF;--sub:#FBECEA;--title:#1C1212;--text:#3E2424;--muted:#6E4848;--soft:#9A7070;
  --brand:#B4232C;--bright:#E23B44;--dark:#7A1520;--gold:#C4A06A;--ink:#1C1212;--border:rgba(180,35,44,.16);--shadow:0 12px 28px rgba(28,18,18,.08);
  --top:18px;--brandbar:54px;--seal:44px;--max:960px;
}
*{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","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:calc(var(--top) + var(--brandbar) + var(--seal))}body.ui-locked{overflow:hidden}a{color:var(--dark);text-decoration:none}a:hover{text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:1200;background:#fff;color:var(--dark);padding:9px 12px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{top:8px}.red-brow{position:fixed;z-index:900;top:0;left:0;right:0;height:18px;background:var(--dark);color:#fff;font-size:12px}.top-inner,.brand-inner,.seal-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.top-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.plain-trigger{border:0;background:transparent;color:#fff;cursor:pointer;padding:0 2px;height:18px;font-size:12px}.brand-bar{position:fixed;z-index:890;top:18px;left:0;right:0;height:54px;background:rgba(255,246,244,.98);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-home{min-height:44px;display:flex;align-items:center}.brand-logo,.drawer-logo,.footer-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-weight:800;font-size:16px;color:var(--title);letter-spacing:.04em}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.fold-trigger,.drawer-close,.search-head button{height:40px;min-width:64px;padding:0 14px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--dark);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px}.app-link{background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--dark) 100%);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(180,35,44,.18)}.seal-nav{position:fixed;z-index:880;top:72px;left:0;right:0;height:44px;background:var(--sub);border-bottom:1px solid var(--border)}.seal-inner{height:44px;display:flex;align-items:center;gap:10px}.seal-mark{width:22px;height:22px;border-radius:4px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}.seal-entry{height:32px;display:inline-flex;align-items:center;gap:5px;padding:0 10px;border:1px solid var(--brand);border-radius:8px;color:var(--dark);font-size:13px;background:#fff}.seal-entry.is-current{background:var(--dark);color:#fff;border-color:var(--gold);box-shadow:0 6px 16px rgba(180,35,44,.18)}.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:28px 0 60px;min-height:55vh}.breadcrumb{display:flex;align-items:center;gap:8px;color:var(--soft);font-size:13px;margin-bottom:18px}.breadcrumb a{color:var(--dark)}h1,h2,h3{color:var(--title);margin:0 0 12px;line-height:1.3}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 14px}.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--dark);font-weight:700;letter-spacing:.06em;margin-bottom:10px}.lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:760px}.muted{color:var(--muted)}.soft{color:var(--soft)}.section{margin-top:34px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:22px}.sub-panel{background:var(--sub);border:1px solid var(--border);border-radius:12px;padding:18px}.media-slot{background:var(--sub);border:1px dashed 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-square{width:240px;height:176px;max-width:100%}.media-wide{width:100%;height:168px}.media-wide.short{height:160px}.media-app{width:240px;height:320px;max-width:100%}.media-banner{width:100%;height:200px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{height:42px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:filter .18s,box-shadow .18s,transform .18s;min-width:112px}.btn-primary{background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--dark) 100%);color:#fff;box-shadow:0 6px 16px rgba(180,35,44,.18)}.btn-secondary{background:#fff;color:var(--dark);border:1px solid var(--border)}.btn-primary:hover,.seal-entry.is-current:hover,.mobile-bar .is-current:hover{filter:brightness(1.05);box-shadow:0 0 0 3px rgba(226,59,68,.28),0 10px 24px rgba(122,21,32,.28)}.btn-primary:active,.seal-entry.is-current:active,.mobile-bar .is-current:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(196,160,106,.42),0 0 22px rgba(226,59,68,.50)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bright);outline-offset:2px}.link-list{display:grid;gap:8px}.link-list a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border-radius:10px;background:#fff;border:1px solid var(--border)}.link-list a::after{content:'→';color:var(--brand)}.note{border-left:3px solid var(--gold);padding:12px 14px;background:var(--sub);border-radius:0 10px 10px 0}.status{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;background:var(--sub);color:var(--dark);font-size:12px;border:1px solid var(--border)}
/* 首页：线性多版块 */
.home-intro{padding:18px 0 4px}.index-stamp{width:42px;height:42px;border:2px solid var(--brand);border-radius:8px;display:grid;place-items:center;color:var(--dark);font-weight:800;margin-bottom:16px}.home-intro h1{max-width:700px}.home-cut{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center}.dual-red{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.dual-red article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.dual-red article:first-child{border-top:4px solid var(--brand)}.seal-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px}.seal-page-card{position:relative;padding:22px 22px 22px 56px;background:#fff;border:1px solid var(--border);border-radius:12px}.seal-page-card::before{content:'印';position:absolute;left:18px;top:22px;width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--brand);border-radius:5px;color:var(--dark);font-size:12px}.single-explain{display:grid;grid-template-columns:1fr 280px;gap:24px;align-items:center}.topic-lines{display:grid;gap:10px;margin-top:14px}.topic-lines a{padding:12px 14px;border-bottom:1px solid var(--border);background:#fff;border-radius:8px}.app-wrap{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}.app-visuals{display:grid;gap:12px;justify-items:center}.icon-slot{width:64px;height:64px}.home-tail{display:grid;grid-template-columns:1fr;gap:18px}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px}.faq-mini summary{cursor:pointer;font-weight:700;color:var(--title)}
/* 五类栏目版式 */
.layout-dual .lead-band{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}.layout-dual .news-stack{display:grid;gap:14px}.layout-dual .news-item{padding:18px;background:#fff;border-radius:12px;border-left:4px solid var(--brand);box-shadow:var(--shadow)}.layout-cut .cut-head{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center}.layout-cut .cut-stream{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.layout-cut .cut-stream section:nth-child(3){grid-column:1/-1}.layout-pages .page-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.layout-pages .page-sheet{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;min-height:200px;position:relative}.layout-pages .page-sheet::after{content:'';position:absolute;right:14px;top:14px;width:18px;height:18px;border:1px solid var(--gold);border-radius:4px}.layout-pages .page-sheet.featured{grid-column:1/-1;display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:center}.layout-wrap .wrap-hero{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start}.layout-wrap .wrap-copy{background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px}.layout-wrap .wrap-sections{columns:2;column-gap:18px;margin-top:22px}.layout-wrap .wrap-sections section{break-inside:avoid;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;margin:0 0 18px}.layout-index .index-head{display:flex;align-items:flex-start;gap:18px}.layout-index .index-mark{width:56px;height:56px;border:2px solid var(--brand);border-radius:10px;display:grid;place-items:center;color:var(--dark);font-weight:800;flex:0 0 auto}.layout-index .catalog{margin-top:24px;border-top:1px solid var(--border)}.layout-index .catalog article{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--border)}.layout-index .catalog a{min-height:44px;display:inline-flex;align-items:center;color:var(--dark);font-weight:700}
/* 其余页面 */
.status-track{display:grid;gap:12px;margin-top:22px}.status-row{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:12px}.editorial-long{max-width:760px}.editorial-long section{margin:0 0 24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.field-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-notes section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.letter-path{display:grid;gap:14px}.letter-step{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:12px}.terms{display:grid;gap:18px}.terms section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.help-grid section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px 18px}.faq-list summary{font-weight:800;color:var(--title);cursor:pointer}.faq-list p{margin-top:12px}.contact-path{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-path section{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.about-brand{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center}.about-quote{font-size:18px;line-height:1.8;color:var(--dark);border-left:4px solid var(--gold);padding-left:18px}.installation-steps{counter-reset:install;display:grid;gap:14px}.installation-steps section{counter-increment:install;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 18px 18px 66px;position:relative}.installation-steps section::before{content:counter(install);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--sub);color:var(--dark);font-weight:800}
/* 折页、搜索、页脚 */
.site-overlay{position:fixed;z-index:995;inset:0;background:rgba(28,18,18,.38);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s,visibility .18s}.site-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;z-index:1000;top:84px;right:16px;width:min(420px,calc(100vw - 32px));max-height:68vh;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 22px 60px rgba(28,18,18,.2);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .18s,transform .18s,visibility .18s;overflow:hidden}.site-drawer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--title)}.drawer-scroll{max-height:calc(68vh - 58px);overflow:auto;padding:14px}.drawer-group{margin-bottom:16px}.drawer-group h2{font-size:13px;color:var(--soft);margin-bottom:8px}.drawer-group a{display:grid;grid-template-columns:145px 1fr;gap:10px;align-items:start;padding:10px;border-radius:10px;color:var(--title)}.drawer-group a:hover{background:var(--sub)}.drawer-group small{color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:1001;top:78px;left:50%;width:min(620px,calc(100vw - 32px));transform:translate(-50%,-8px);visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s,transform .18s,visibility .18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 22px 60px rgba(28,18,18,.2)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-card label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:10px;padding:0 12px;background:var(--bg);color:var(--title)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{min-height:40px;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--sub)}.site-footer{background:var(--ink);color:#FBECEA;border-top:2px solid var(--brand);font-size:13px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto;padding:34px 0 22px;display:grid;grid-template-columns:1.1fr 1.9fr;gap:36px}.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:12px}.footer-brandline strong{font-size:16px}.footer-brandline span{color:#C4A06A;font-size:12px}.footer-brand p{color:#DABBBB;max-width:340px}.footer-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.footer-groups h2{font-size:13px;color:#fff}.footer-groups a{display:block;color:#FBECEA;padding:3px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:12px 16px;text-align:center;color:#DABBBB}.mobile-bar{display:none}
@media (max-width:760px){
  :root{--seal:0px}body{padding-top:72px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.top-inner,.brand-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.seal-nav{display:none}.brand-actions{gap:6px}.app-link,.fold-trigger{padding:0 10px;min-width:0}.site-main{padding-top:20px}.home-cut,.dual-red,.seal-pages,.single-explain,.app-wrap,.layout-dual .lead-band,.layout-cut .cut-head,.layout-cut .cut-stream,.layout-pages .page-row,.layout-pages .page-sheet.featured,.layout-wrap .wrap-hero,.field-notes,.help-grid,.contact-path,.about-brand{grid-template-columns:1fr}.home-cut .media-square,.layout-cut .media-square{justify-self:center}.single-explain .media-slot{order:-1}.faq-mini{grid-template-columns:1fr}.layout-wrap .wrap-sections{columns:1}.layout-index .catalog article{grid-template-columns:1fr;gap:8px}.status-row,.letter-step{grid-template-columns:1fr}.drawer-group a{grid-template-columns:1fr;gap:2px}.site-drawer{top:76px;right:5%;width:90%;max-height:68vh}.search-layer{inset:0;width:100%;transform:none;background:var(--dark);padding:86px 16px 24px}.search-layer.is-open{transform:none}.search-card{background:transparent;border:0;box-shadow:none;padding:0;color:#fff}.search-head strong,.search-card label{color:#fff}.search-head button{background:#fff}.search-card input{background:#fff}.search-presets a{background:#fff;color:var(--dark);border-color:rgba(255,255,255,.6)}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-groups{grid-template-columns:1fr 1fr;gap:20px}.footer-groups section:last-child{grid-column:1/-1}.mobile-bar{position:fixed;z-index:870;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(28,18,18,.08)}.mobile-bar a{display:grid;place-items:center;min-height:48px;color:var(--muted);font-size:13px}.mobile-bar a.is-current{background:var(--dark);color:#fff;box-shadow:0 6px 16px rgba(180,35,44,.18)}.media-app{width:220px;height:300px}.media-banner{height:180px}
}
@media (max-width:430px){.footer-groups{grid-template-columns:1fr}.footer-groups section:last-child{grid-column:auto}.site-main{width:calc(100% - 32px)}.panel{padding:18px}.media-wide{height:160px}.media-square{width:100%;height:176px}.about-brand{grid-template-columns:1fr}.about-brand .media-slot{justify-self:center}.brand-home{max-width:42%}.brand-logo{max-width:100%;height:24px}.brand-actions{flex:0 0 auto}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}