:root{
  --bg:#D7E4E6;--deep:#C4D4D6;--paper:#F3F7F7;--soft:#E4EEEF;
  --ink:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--faint:#6A8084;
  --teal:#4A8A8C;--sand:#C4A070;--line:rgba(30,44,46,.14);
  --accent:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}
.wrap{width:min(980px,calc(100% - 32px));margin:auto}
.site-top{position:fixed;inset:0 0 auto;z-index:50;box-shadow:0 1px 0 rgba(30,44,46,.06)}
.topline{height:20px;background:var(--ink);color:var(--paper);font-size:12px;letter-spacing:.03em}
.topline-inner,.mast-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand-mini{white-space:nowrap}.text-button,.menu-button,.drawer button,.search-head button{border:0;background:transparent;color:inherit;cursor:pointer;min-height:44px}
.topline .text-button{min-height:20px;padding:0 4px}.mast{height:54px;background:rgba(243,247,247,.97);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;height:44px;font-weight:800;font-size:16px;letter-spacing:.06em}.brand img,.footer-brand img,.drawer-brand img{height:24px;width:auto}
.mast-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:8px}
.app-link{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper)}.menu-button{border:1px solid var(--accent);background:var(--paper);color:var(--ink)}
.page-shell{width:min(1160px,100%);margin:0 auto;padding-top:74px;display:grid;grid-template-columns:150px minmax(0,1fr);gap:30px}
.side-nav{padding:30px 0 50px}.side-nav nav{position:sticky;top:104px;display:flex;flex-direction:column;gap:2px}.side-nav a{min-height:34px;display:flex;align-items:center;padding:0 14px;border-left:3px solid transparent;color:var(--muted);font-size:13px}.side-nav a:hover{background:rgba(243,247,247,.48)}.side-nav a.active{border-color:var(--teal);color:var(--ink);font-weight:800;background:rgba(243,247,247,.7)}
.main-content{min-width:0;padding:30px 16px 86px}
.hero-index{position:relative;padding:8px 0 38px;border-bottom:1px solid var(--line);margin-bottom:34px}.hero-index:after{content:"";position:absolute;right:2%;bottom:0;width:34%;height:6px;background:linear-gradient(90deg,var(--sand),transparent)}
.short-index{display:flex;flex-direction:column;gap:0;width:min(250px,100%);margin-bottom:30px;border-top:1px solid var(--line)}.short-index a{display:flex;align-items:center;justify-content:space-between;min-height:34px;border-bottom:1px solid var(--line);font-weight:700;color:var(--ink)}.short-index a:after{content:"→";color:var(--teal)}
.eyebrow{font-size:13px;color:var(--teal);font-weight:800;letter-spacing:.05em}.hero-index h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--ink);margin:8px 0 10px}.lead{font-size:18px;color:var(--ink);font-weight:700;margin:0 0 12px}.intro{max-width:760px;margin-bottom:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 17px;border-radius:8px;font-size:14px;border:1px solid var(--accent);margin-top:12px;background:var(--paper)}.btn.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper);border-color:transparent}
.section{margin:0 0 38px}.section>h2,.section h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 14px}.section>h2{display:flex;align-items:center;gap:10px}.section>h2:before{content:"";width:26px;height:2px;background:var(--sand);flex:0 0 auto}.section h3{font-size:16px;color:var(--ink);margin:0 0 8px}
.paper{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.paper p:last-child{margin-bottom:0}
.media-slot{height:168px;background:linear-gradient(145deg,var(--deep),var(--soft));border:1px solid rgba(30,44,46,.08);border-radius:7px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;overflow:hidden}.media-slot img{width:100%;height:100%}
.two-news{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr);gap:14px;align-items:start}.news-col{padding:18px}.two-news .news-col:first-child{border-top:4px solid var(--teal)}.two-news .news-col:last-child{margin-top:36px;border-left:4px solid var(--sand)}
.track{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity}.track article{flex:0 0 33%;min-width:250px;padding:16px;scroll-snap-align:start}.track article:first-child{flex-basis:42%}.track article:nth-child(2){margin-top:18px}.track .media-slot{height:142px}
.clip-pair{display:grid;grid-template-columns:1.08fr .92fr;gap:18px;align-items:start;padding:10px 0}.clip{padding:20px}.clip:first-child{transform:translateX(6px) rotate(-.6deg);border-top:4px solid var(--teal)}.clip:last-child{transform:translate(-8px,26px) rotate(.7deg);border-top:4px solid var(--sand)}
.shelf-head{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;align-items:center;margin-bottom:14px;padding:18px;background:rgba(243,247,247,.45);border:1px solid var(--line);border-radius:8px}.shelf-head .media-slot{width:100%;height:120px;margin:0}.card-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.info-card{padding:18px}.card-pair .info-card:nth-child(2){border-left:4px solid var(--sand)}
.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--paper)}.periods article{padding:18px;border:0;border-radius:0;box-shadow:none;position:relative}.periods article+article{border-left:1px solid var(--line)}.periods article:before{content:"";position:absolute;left:18px;top:0;width:40px;height:4px;background:var(--teal)}.periods article:nth-child(2):before{background:var(--sand)}.periods article:nth-child(3):before{background:var(--ink)}
.status-row{display:grid;gap:10px}.status-row article{padding:14px 18px;display:grid;grid-template-columns:110px 1fr;align-items:start;gap:16px;box-shadow:none}.status-row h3{margin:0}.status-row p{margin:0}.status-row article:nth-child(1){border-left:4px solid var(--teal)}.status-row article:nth-child(2){border-left:4px solid var(--sand)}.status-row article:nth-child(3){border-left:4px solid var(--ink)}
.app-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(240px,.85fr);gap:24px;align-items:center;padding:22px;border-top:4px solid var(--teal)}.app-visual{height:320px;background:linear-gradient(180deg,var(--soft),var(--deep));border-radius:8px;display:flex;align-items:center;justify-content:center}.app-visual img{max-height:100%;width:100%}.app-icon{width:48px;height:48px;margin-bottom:10px}
.page-head{position:relative;margin-bottom:26px;padding:0 0 18px;border-bottom:1px solid var(--line)}.page-head:after{content:"";position:absolute;left:0;bottom:-1px;width:96px;height:3px;background:var(--teal)}.page-head p{max-width:760px;margin-bottom:0}.banner-slot{height:200px;background:linear-gradient(145deg,var(--soft),var(--deep));border-radius:8px;display:flex;align-items:center;justify-content:center;margin-top:18px;overflow:hidden}.banner-slot img{width:100%;height:100%}
.prose{max-width:820px}.prose section{margin:0 0 28px}.prose section:not(:last-child){padding-bottom:18px;border-bottom:1px solid var(--line)}.prose p{margin:0 0 12px}
.column-lead{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}.column-lead .toc{position:sticky;top:104px;padding:14px 16px;border-top:4px solid var(--teal)}.toc a{display:block;padding:7px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.newspaper{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;align-items:start}.newspaper article{padding:18px}.newspaper article:nth-child(1){grid-row:span 4;border-top:4px solid var(--teal)}.newspaper article:nth-child(even){margin-left:10px}.newspaper article:nth-child(3){border-left:4px solid var(--sand)}
.carousel-like{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:3px 2px 12px}.carousel-like article{flex:0 0 min(400px,84%);scroll-snap-align:start;padding:18px}.carousel-like article:nth-child(even){margin-top:18px}
.insert-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.insert-pages article{padding:20px;min-height:220px}.insert-pages article:nth-child(2n){transform:translateY(20px)}
.memo-list{display:grid;gap:10px}.memo-list article{padding:16px 18px;border-left:4px solid var(--teal);box-shadow:none}.memo-list article:nth-child(even){border-left-color:var(--sand);margin-left:30px}
.theme-list{display:grid;gap:11px}.theme-list article{padding:17px 18px;box-shadow:none}.theme-list article:nth-child(odd){border-left:4px solid var(--teal)}.theme-list article:nth-child(even){border-left:4px solid var(--sand)}
.center-card{max-width:740px;margin:0 auto;padding:26px;text-align:center;border-top:4px solid var(--teal)}.center-card .theme-list{text-align:left;margin-top:18px}
.terms section{padding:18px;margin-bottom:12px;border-left:4px solid var(--teal)}.terms section:nth-child(even){border-left-color:var(--sand)}
.faq-list{display:grid;gap:10px}.faq-list article{padding:17px 18px;box-shadow:none}.faq-list article:nth-child(3n+1){border-left:4px solid var(--teal)}.faq-list article:nth-child(3n+2){border-left:4px solid var(--sand)}.faq-list article:nth-child(3n){border-left:4px solid var(--ink)}.faq-list h2{font-size:16px;margin:0 0 8px}
.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid rgba(74,138,140,.35);padding:32px 0 78px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand div{display:flex;flex-direction:column}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1.1fr;gap:24px;border-top:1px solid rgba(215,228,230,.16);padding-top:18px}.footer-grid h3{font-size:13px;margin:0 0 8px;color:#fff}.footer-grid a{display:block;color:#D7E4E6;padding:3px 0}.footer-note,.footer-copy{margin-top:18px;color:#b9c8ca;max-width:820px}
.overlay{position:fixed;inset:0;background:rgba(10,20,22,.5);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}
.drawer{position:fixed;left:18px;bottom:18px;width:min(360px,88vw);max-height:480px;background:var(--paper);color:var(--ink);z-index:80;border:1px solid var(--accent);border-radius:9px;box-shadow:0 20px 50px rgba(22,32,34,.28);overflow:auto;transform:translateY(24px) scale(.98);transform-origin:left bottom;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.drawer.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--paper);display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);z-index:2}.drawer-brand{display:flex;gap:8px;align-items:center}.drawer-groups{padding:8px 14px 16px}.drawer-groups h3{font-size:13px;color:var(--teal);margin:10px 0 4px}.drawer-groups a{display:grid;grid-template-columns:80px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid var(--line)}.drawer-groups span{color:var(--muted);font-size:13px}
.search-panel{position:fixed;left:0;right:0;top:74px;z-index:80;opacity:0;visibility:hidden;pointer-events:none}.search-panel.open{opacity:1;visibility:visible;pointer-events:auto}.search-card{width:min(680px,calc(100% - 32px));margin:auto;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--teal);box-shadow:var(--shadow);padding:18px;border-radius:0 0 9px 9px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-links{display:flex;flex-wrap:wrap;gap:8px}.search-links a{padding:8px 12px;border:1px solid var(--accent);border-radius:8px}
.mobile-nav{display:none}.locked{overflow:hidden}.btn:hover,.app-link:hover,.search-links a:hover{filter:brightness(.96)}a:focus-visible,button:focus-visible{outline:3px solid var(--sand);outline-offset:2px}
@media(max-width:800px){
 .page-shell{display:block;padding-top:74px}.side-nav{display:none}.main-content{padding:22px 16px 76px}.hero-index{padding-top:4px}.short-index{width:100%;max-width:320px}
 .two-news,.clip-pair,.card-pair,.insert-pages,.newspaper,.app-split,.column-lead,.shelf-head{grid-template-columns:1fr}.two-news .news-col:last-child,.clip:last-child,.insert-pages article:nth-child(2n),.newspaper article:nth-child(even),.memo-list article:nth-child(even){margin:0;transform:none}.clip:first-child{transform:none}.shelf-head .media-slot{width:100%}.track article{flex-basis:min(380px,86%)}
 .periods{grid-template-columns:1fr}.periods article+article{border-left:0;border-top:1px solid var(--line)}.status-row article{grid-template-columns:92px 1fr}.column-lead .toc{position:static}.footer-grid{grid-template-columns:1fr 1fr}
 .mobile-nav{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:48px}.mobile-nav a.active{background:var(--teal);color:var(--paper)}.site-footer{padding-bottom:92px}
}
@media(max-width:520px){
 .mast-actions{gap:5px}.app-link,.menu-button{padding:0 10px}.footer-grid{grid-template-columns:1fr}.status-row article{grid-template-columns:1fr;gap:4px}.search-panel{inset:0;top:0;background:var(--ink);padding-top:74px}.search-card{width:100%;height:100%;border-radius:0;background:var(--ink);color:var(--paper);border:0}.search-card p{color:#D7E4E6}.search-links a{border-color:rgba(243,247,247,.45)}.drawer{left:6vw;bottom:64px;width:88vw}.hero-index h1,.page-head h1{font-size:24px}
}
.brand-cover{height:180px;max-width:820px;margin:0 0 24px}