:root{--bg:#D7E4E6;--deep:#C4D4D6;--paper:#F3F7F7;--soft:#E4EEEF;--ink:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--quiet:#6A8084;--teal:#4A8A8C;--sand:#C4A070;--line:rgba(30,44,46,.14);--strong:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08);--max:980px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:999;background:var(--paper);padding:8px 12px;border-radius:6px}.skip-link:focus{top:8px}.site-top{position:fixed;inset:0 0 auto;z-index:80}.top-strip{height:20px;background:var(--ink);color:var(--paper);font-size:12px}.top-strip-inner,.brand-row-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.text-btn,.menu-btn,.close-btn{border:0;background:none;cursor:pointer;min-height:44px;padding:0 10px}.top-strip .text-btn{min-height:20px;color:var(--paper);font-size:12px}.brand-row{height:54px;background:var(--paper);border-bottom:1px solid var(--strong)}.brand-home{display:flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{height:24px;max-width:150px;object-fit:contain;object-position:center}.brand-actions{display:flex;align-items:center;gap:4px}.top-app-link,.menu-btn{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px}.top-app-link{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper)}.menu-btn{border:1px solid var(--strong)}.side-nav{position:fixed;top:86px;left:max(16px,calc((100vw - var(--max))/2 - 128px));width:96px;background:rgba(243,247,247,.92);border:1px solid var(--line);border-radius:8px;padding:7px;box-shadow:var(--shadow);backdrop-filter:blur(8px)}.side-nav a{position:relative;display:flex;height:34px;align-items:center;padding-left:12px;color:var(--muted)}.side-nav a.active{color:var(--ink);font-weight:700}.side-nav a.active:before{content:"";position:absolute;left:0;width:3px;height:20px;background:var(--teal);border-radius:2px}.page-shell{padding:108px 0 56px;min-height:70vh}h1,h2,h3{color:var(--ink);margin-top:0;line-height:1.3}h1{font-size:24px;margin-bottom:14px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}p{margin:0 0 12px}.eyebrow{font-size:13px;color:var(--teal);letter-spacing:.08em}.lead{font-size:16px;color:var(--muted);max-width:760px}.hero,.section,.article-block{width:min(calc(100% - 32px),var(--max));margin:0 auto 22px}.hero{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px;box-shadow:var(--shadow)}.mini-index{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.mini-index a{padding:5px 10px;border:1px solid var(--strong);border-radius:999px;background:var(--soft);color:var(--ink)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-flex;min-height:42px;align-items:center;justify-content:center;padding:0 16px;border-radius:8px;font-size:14px;font-weight:700}.btn.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper)}.btn.secondary{background:var(--paper);border:1px solid var(--teal);color:var(--ink)}.section{padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.section.alt{background:var(--soft)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.news-col{padding:18px;border-left:2px solid var(--teal);background:rgba(255,255,255,.35)}.media-slot{display:flex;align-items:center;justify-content:center;width:100%;min-height:120px;background:var(--deep);border:1px solid var(--line);border-radius:8px;overflow:hidden}.media-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.media-168{height:168px}.media-200{height:200px}.media-320{height:min(320px,65vw)}.marquee-list{display:grid;gap:10px}.marquee-item{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:stretch;background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px}.marquee-item .media-slot{min-height:90px}.page-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.page-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:var(--shadow)}.rack-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rack-card{padding:22px;background:var(--soft);border-top:4px solid var(--sand);border-radius:8px}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.status-list{display:grid;gap:8px}.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:center;padding:12px 14px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.status-tag{font-size:13px;color:var(--paper);background:var(--teal);padding:3px 8px;border-radius:999px}.app-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(220px,.85fr);gap:22px;align-items:center}.app-art{position:relative}.app-icon{position:absolute!important;width:48px!important;height:48px!important;right:12px;bottom:12px;background:var(--paper);border-radius:10px;padding:4px;box-shadow:var(--shadow)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.feature{padding:16px;background:var(--soft);border-radius:8px;border:1px solid var(--line)}.faq-preview{display:grid;gap:10px}.faq-preview details,.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:14px}.faq-preview summary{cursor:pointer;font-weight:700;color:var(--ink)}.page-head{width:min(calc(100% - 32px),var(--max));margin:0 auto 18px}.page-head-inner{background:var(--paper);padding:24px;border:1px solid var(--line);border-radius:10px}.article-flow{display:grid;gap:14px}.article-flow section{background:var(--paper);padding:22px;border:1px solid var(--line);border-radius:8px}.article-flow section:nth-child(even){background:var(--soft)}.memo-list{display:grid;gap:12px}.memo-item{display:grid;grid-template-columns:34px 1fr;gap:12px;background:var(--paper);padding:18px;border:1px solid var(--line);border-radius:8px}.memo-num{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--teal);color:var(--paper);font-weight:700}.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.center-card{max-width:760px;margin:auto;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px}.center-card + .center-card{margin-top:14px}.terms section{padding:18px 0;border-bottom:1px solid var(--line)}.terms section:last-child{border-bottom:0}.about-banner{height:200px;margin-bottom:18px}.about-banner img{width:100%;height:100%;object-fit:contain;background:var(--deep)}.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid var(--teal);font-size:13px;padding:28px 0 calc(24px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:170px 1fr;gap:28px}.footer-brand{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.footer-logo{background:var(--paper);border-radius:4px;padding:2px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-links h2{font-size:14px;color:#F3F7F7;margin-bottom:6px}.footer-links a{display:block;padding:3px 0;color:#D7E4E6}.footer-note{margin-top:22px;padding-top:16px;border-top:1px solid rgba(215,228,230,.15);color:#BFD0D2}.overlay{position:fixed;inset:0;background:rgba(22,32,34,.48);z-index:90;opacity:0;pointer-events:none;transition:opacity .2s}.overlay.show{opacity:1;pointer-events:auto}.drawer{position:fixed;z-index:100;left:20px;bottom:20px;width:min(360px,88vw);max-height:min(480px,80vh);overflow:auto;background:var(--paper);border:1px solid var(--strong);border-radius:10px;box-shadow:0 20px 60px rgba(30,44,46,.28);padding:16px;transform:translateY(30px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.drawer.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.drawer-brand{display:flex;gap:10px;align-items:center}.drawer-brand span{display:flex;flex-direction:column}.drawer-brand small{color:var(--quiet);font-size:11px}.drawer-groups{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}.drawer-groups section{min-width:0}.drawer-groups h2{font-size:14px;margin:8px 0}.drawer-groups a{display:block;padding:8px;background:var(--soft);border-radius:6px;margin-bottom:6px}.drawer-groups b,.drawer-groups span{display:block}.drawer-groups span{font-size:12px;color:var(--muted);line-height:1.45;margin-top:2px}.close-btn{border:1px solid var(--strong);border-radius:7px;min-width:52px}.search-panel{position:fixed;z-index:99;left:0;right:0;top:74px;background:var(--paper);border-bottom:1px solid var(--strong);box-shadow:var(--shadow);padding:18px 0;transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.search-head p{margin:2px 0 0;color:var(--muted)}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.locked{overflow:hidden}.mobile-nav{display:none}a:focus-visible,button:focus-visible{outline:3px solid var(--sand);outline-offset:2px}.btn:hover,.top-app-link:hover{filter:brightness(.95)}
@media(max-width:1180px){.side-nav{display:none}}
@media(max-width:760px){.page-shell{padding-top:92px;padding-bottom:74px}.wrap,.hero,.section,.article-block,.page-head{width:min(calc(100% - 32px),var(--max))}.hero,.section,.page-head-inner{padding:18px}.two-col,.page-pair,.rack-cards,.periods,.app-grid,.feature-list,.footer-top,.footer-links{grid-template-columns:1fr}.marquee-item,.topic-item{grid-template-columns:1fr}.status-row{grid-template-columns:1fr auto}.status-row span:nth-child(2){grid-column:1/-1}.footer-brand{margin-bottom:6px}.footer-links{grid-template-columns:1fr 1fr}.mobile-nav{position:fixed;z-index:79;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:var(--paper);border-top:1px solid var(--strong)}.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:calc(72px + env(safe-area-inset-bottom))}.drawer{left:6%;bottom:62px}.search-panel{top:20px;bottom:0;background:var(--ink);color:var(--paper);padding-top:72px;overflow:auto}.search-panel .search-head strong,.search-panel .search-head p,.search-panel .close-btn{color:var(--paper)}.search-panel .close-btn{border-color:rgba(243,247,247,.5)}.search-presets a{background:rgba(243,247,247,.08);border-color:rgba(243,247,247,.24)}.brand-actions{gap:2px}.top-app-link,.menu-btn{padding:0 9px;font-size:13px}.brand-home strong{font-size:16px}.drawer-groups{grid-template-columns:1fr 1fr}.media-320{height:280px}}
@media(max-width:390px){.drawer-groups{grid-template-columns:1fr}.top-app-link{padding:0 8px}.menu-btn{padding:0 8px}.footer-links{grid-template-columns:1fr 1fr}}