*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#D7E4E6;color:#2A3A3C;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(980px,calc(100% - 32px));margin:auto}.skip{position:fixed;left:16px;top:-60px;background:#F3F7F7;color:#1E2C2E;padding:8px 12px;z-index:99}.skip:focus{top:8px}.top-mini{height:20px;position:fixed;top:0;left:0;right:0;z-index:40;background:#1E2C2E;color:#F3F7F7;font-size:12px}.mini-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-btn{border:0;background:none;color:inherit;cursor:pointer;padding:0 4px}.brandbar{position:fixed;top:20px;left:0;right:0;height:54px;z-index:39;background:#F3F7F7;border-bottom:1px solid rgba(74,138,140,.42)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:9px;align-items:center;min-height:44px}.brand-name{font-size:16px;font-weight:700;color:#1E2C2E}.logo-slot{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:6px;overflow:hidden}.logo-slot.small{width:54px;height:30px}.logo-slot img{max-width:100%;max-height:24px;object-fit:contain;object-position:center}.logo-slot.dark{background:#F3F7F7}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:8px}.app-link{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:#F3F7F7}.menu-btn{border:1px solid #4A8A8C;background:#F3F7F7;color:#1E2C2E;cursor:pointer}.side-nav{position:fixed;top:86px;left:max(16px,calc((100vw - 980px)/2 - 128px));width:108px;display:flex;flex-direction:column;z-index:20}.side-nav a{height:34px;display:flex;align-items:center;padding-left:14px;color:#4A6064;border-left:3px solid transparent}.side-nav a.active{border-left-color:#4A8A8C;color:#1E2C2E;font-weight:700}.site-main{padding-top:102px;padding-bottom:44px;min-height:70vh}h1,h2,h3{color:#1E2C2E;margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:14px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}p{margin:0 0 14px}.eyebrow{font-size:12px;letter-spacing:.12em;color:#4A8A8C;font-weight:700;text-transform:uppercase}.hero{padding:28px 0 20px}.short-index{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:20px}.short-index a{background:#E4EEEF;border:1px solid rgba(30,44,46,.14);padding:10px 12px;border-radius:8px;color:#1E2C2E}.lead{max-width:760px;color:#4A6064}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;padding:0 18px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}.btn.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:#F3F7F7}.btn.secondary{background:#F3F7F7;border:1px solid #4A8A8C;color:#1E2C2E}.section{padding:24px 0;border-top:1px solid rgba(30,44,46,.14)}.paper{background:#F3F7F7;border:1px solid rgba(30,44,46,.14);box-shadow:0 12px 28px rgba(30,44,46,.08);border-radius:8px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.news-col{padding:18px}.media-slot{height:168px;border-radius:8px;background:#C4D4D6;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:14px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.tall{height:320px}.media-slot.banner{height:200px}.track{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:12px}.track article{padding:16px;background:#F3F7F7;border:1px solid rgba(30,44,46,.14);border-radius:8px}.pages{display:grid;grid-template-columns:1fr 1fr;gap:18px}.page-card{padding:18px;background:#E4EEEF;border-radius:8px;border:1px solid rgba(30,44,46,.14)}.cards2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:#F3F7F7;border:1px solid rgba(30,44,46,.14);border-radius:8px;padding:18px}.card-head{font-weight:700;color:#1E2C2E}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.periods article{padding:16px;border-top:3px solid #4A8A8C;background:#F3F7F7}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px 16px;background:#F3F7F7;border-left:4px solid #4A8A8C}.status{font-weight:700;color:#1E2C2E}.app-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:start}.icon-wrap{display:flex;align-items:center;gap:12px}.icon-slot{width:48px;height:48px;background:#F3F7F7;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.icon-slot img{width:48px;height:48px;object-fit:contain}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini article{padding:16px;background:#F3F7F7;border-radius:8px}.page-intro{padding:24px 0 18px}.reading-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.pill{font-size:12px;background:#E4EEEF;border:1px solid rgba(30,44,46,.14);padding:4px 9px;border-radius:999px}.article-body{background:#F3F7F7;padding:22px;border-radius:8px;border:1px solid rgba(30,44,46,.14)}.article-body section+section{margin-top:26px}.columns{columns:2;column-gap:26px}.columns section{break-inside:avoid;margin-bottom:20px}.memo-list{display:grid;gap:12px}.memo{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:16px;background:#F3F7F7;border-radius:8px}.memo strong{font-size:20px;color:#4A8A8C}.topic-list{display:grid;gap:12px}.topic-item{padding:18px;background:#F3F7F7;border-radius:8px;border-left:4px solid #C4A070}.center-card{max-width:760px;margin:auto;text-align:center;padding:28px;background:#F3F7F7;border-radius:8px}.center-card section{text-align:left;margin-top:24px}.terms{display:grid;gap:16px}.term{padding:18px;background:#F3F7F7;border-radius:8px}.faq-list{display:grid;gap:14px}.faq-item{padding:18px;background:#F3F7F7;border:1px solid rgba(30,44,46,.14);border-radius:8px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.footer{background:#162022;color:#D7E4E6;padding:30px 0 78px;border-top:1px solid #4A8A8C;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:20px}.footer h3{color:#F3F7F7;font-size:13px}.footer a{display:block;color:#D7E4E6;margin:5px 0}.footer-brand{display:flex;flex-direction:column;gap:8px}.footer-note,.copyright{margin-top:24px;color:#b7c9cb}.overlay{position:fixed;inset:0;background:rgba(22,32,34,.44);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:16px;bottom:16px;width:360px;max-height:480px;background:#F3F7F7;color:#2A3A3C;z-index:70;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.25);padding:16px;overflow:auto;transform:translateY(120%);visibility:hidden;pointer-events:none;transition:.25s}.drawer.open{transform:translateY(0);visibility:visible;pointer-events:auto}.drawer-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.drawer-head button,.search-head button{border:1px solid #4A8A8C;background:#F3F7F7;color:#1E2C2E;border-radius:8px;min-height:40px;padding:0 12px}.drawer-brand{display:flex;align-items:center;gap:8px}.drawer-group{margin-top:14px}.drawer-group h3{margin-bottom:6px}.drawer-group a{display:grid;grid-template-columns:74px 1fr;gap:8px;padding:7px 0;border-top:1px solid rgba(30,44,46,.1)}.drawer-group span{font-size:12px;color:#6A8084}.search-panel{position:fixed;z-index:71;top:82px;left:50%;transform:translate(-50%,-16px);width:min(760px,calc(100% - 32px));background:#F3F7F7;border-radius:10px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.24);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-links{display:flex;flex-wrap:wrap;gap:8px}.search-links a{padding:9px 12px;background:#E4EEEF;border-radius:8px}.locked{overflow:hidden}.mobile-bottom{display:none}a:focus-visible,button:focus-visible{outline:3px solid #C4A070;outline-offset:2px}.btn:hover,.app-link:hover{filter:brightness(1.05)}
@media(max-width:1180px){.side-nav{display:none}.site-main{padding-top:92px}}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.site-main{padding-top:88px;padding-bottom:74px}.brand-actions{gap:4px}.app-link,.menu-btn{padding:0 10px}.short-index{grid-template-columns:1fr 1fr}.two-col,.pages,.cards2,.app-layout,.contact-grid{grid-template-columns:1fr}.track{grid-template-columns:1fr}.periods{grid-template-columns:1fr}.faq-mini{grid-template-columns:1fr}.columns{columns:1}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.drawer{left:6%;width:88%;bottom:58px;max-height:70vh}.search-panel{inset:0;width:100%;height:100%;transform:none;border-radius:0;background:#1E2C2E;color:#F3F7F7;padding:78px 20px 20px}.search-panel.open{transform:none}.search-panel strong,.search-panel p{color:#F3F7F7}.search-head button{background:#F3F7F7}.search-links a{background:#2d4245;color:#F3F7F7}.mobile-bottom{position:fixed;z-index:50;bottom:0;left:0;right:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#F3F7F7;border-top:1px solid rgba(30,44,46,.14);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.active{background:#4A8A8C;color:#F3F7F7}.footer{padding-bottom:90px}.status-row{grid-template-columns:1fr;gap:4px}.media-slot.banner{height:170px}}