:root{--bg:#F5F9FE;--white:#fff;--soft:#E8F2FC;--softer:#F3F8FF;--blue:#2F7BFF;--blue2:#1E5FD6;--title:#16324F;--text:#243447;--muted:#5B6B7C;--hint:#7A8896;--line:rgba(47,123,255,.16);--shadow:0 12px 32px rgba(22,50,79,.08);--foot:#10243A;--foottext:#D7E6F5}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto;object-fit:contain}button{font:inherit}h1,h2,h3{color:var(--title);line-height:1.28;margin-top:0}p{margin:0 0 1em}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,249,254,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(47,123,255,.08)}.header-inner{max-width:1220px;height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:18px}.brand-logo{width:150px;flex:0 0 150px}.brand-logo img{height:42px;width:auto}.core-nav{display:flex;align-items:center;gap:5px;background:#fff;padding:5px;border:1px solid var(--line);border-radius:999px;white-space:nowrap}.core-nav a{padding:8px 13px;border-radius:999px;color:var(--title);font-size:14px}.core-nav a.active,.core-nav a:hover{background:var(--soft);color:var(--blue)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px;white-space:nowrap}.overview-btn,.login-btn,.register-btn,.main-btn{border-radius:999px;padding:9px 18px;border:1px solid transparent;cursor:pointer;font-weight:700}.overview-btn{background:transparent;color:var(--title);border-color:var(--line)}.login-btn,.main-btn{background:var(--blue);color:#fff}.register-btn{background:#fff;color:var(--title);border-color:#C5D7F0}.mobile-only{display:none}.drawer-mask{position:fixed;inset:0;background:rgba(16,36,58,.32);z-index:10000;opacity:0;pointer-events:none;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.mobile-drawer,.overview-panel{position:fixed;top:0;bottom:0;background:#fff;z-index:10001;box-shadow:var(--shadow);transition:.28s;overflow:auto}.mobile-drawer{left:0;width:min(86vw,360px);transform:translateX(-105%)}.mobile-drawer.open{transform:translateX(0)}.overview-panel{right:0;width:min(92vw,620px);transform:translateX(105%)}.overview-panel.open{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:1}.drawer-head img{width:142px}.drawer-head button{border:0;background:var(--soft);width:38px;height:38px;border-radius:50%;font-size:22px;color:var(--title)}.drawer-links{display:grid;grid-template-columns:1fr 1fr;padding:16px;gap:8px}.drawer-links a,.overview-groups a{padding:10px 12px;border-radius:10px;background:var(--softer);color:var(--title)}.overview-groups{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.overview-groups section{display:flex;flex-direction:column;gap:8px}.overview-groups h3{margin:0 0 2px;font-size:17px}.section{max-width:1220px;margin:0 auto;padding:64px 20px}.hero{padding-top:58px}.hero-grid,.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}.eyebrow{display:inline-flex;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--blue2);font-weight:700;font-size:13px;margin-bottom:15px}.hero h1{font-size:clamp(34px,4vw,56px);margin-bottom:18px}.hero p{font-size:17px;color:var(--muted);max-width:720px}.hero-card,.card,.image-card,.notice,.quote-card,.faq-item{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px}.hero-card{padding:20px}.hero-card img{width:100%;height:auto}.hero-actions{display:flex;gap:10px;margin:24px 0}.summary-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px}.summary-row div{background:var(--softer);border:1px solid var(--line);border-radius:13px;padding:12px}.summary-row strong{display:block;color:var(--title);font-size:14px}.summary-row span{font-size:12px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.section-head h2{font-size:30px;margin-bottom:5px}.section-head p{color:var(--muted);max-width:720px;margin:0}.text-link{color:var(--blue2);font-weight:700}.quick-scroll{display:flex;gap:12px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}.quick-card{min-width:220px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;box-shadow:var(--shadow)}.quick-card b{display:block;color:var(--blue);font-size:12px}.quick-card strong{display:block;color:var(--title);margin:3px 0}.quick-card span{font-size:13px;color:var(--muted)}.intro-strip{background:linear-gradient(135deg,var(--soft),#fff);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;justify-content:space-between;gap:24px;align-items:center}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{padding:20px}.card h3{margin-bottom:8px}.card p{color:var(--muted);font-size:14px}.topic-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.topic-card .img-wrap{padding:12px;background:var(--softer)}.topic-card img{width:100%;max-height:170px}.topic-card .body{padding:16px}.topic-card h3{margin-bottom:6px}.topic-card p{font-size:13px;color:var(--muted);margin-bottom:8px}.image-card{padding:18px}.content-page .page-hero{padding-top:44px}.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:30px;align-items:center}.page-hero h1{font-size:clamp(32px,4vw,48px);margin-bottom:14px}.page-hero p{color:var(--muted);font-size:16px}.page-hero .image-card img{max-height:300px;margin:auto}.prose{max-width:920px}.prose h2{margin-top:34px;font-size:28px}.prose h3{margin-top:24px;font-size:20px}.prose p{color:#33495f}.info-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:22px 0}.info-list .card{padding:18px}.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.quote-card{padding:18px}.quote-card p{font-size:14px;color:var(--muted)}.quote-card strong{font-size:13px;color:var(--blue2)}.faq-list{display:grid;gap:12px}.faq-item{padding:18px}.faq-item h3{font-size:17px;margin-bottom:8px}.faq-item p{font-size:14px;color:var(--muted);margin:0}.notice{padding:20px;background:#fffdf4;border-color:#efe3b7}.notice strong{color:var(--title)}.site-footer{background:var(--foot);color:var(--foottext);margin-top:55px}.footer-inner{max-width:1220px;margin:auto;padding:48px 20px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:30px}.footer-inner h3{color:#fff}.footer-inner a{display:block;color:var(--foottext);margin:7px 0}.footer-brand img{width:160px;background:#fff;border-radius:10px;padding:5px;margin-bottom:12px}.footer-inner p{color:#bdd0e3;font-size:14px}.copyright{border-top:1px solid rgba(255,255,255,.09);text-align:center;padding:18px 20px;color:#aac2d9;font-size:13px}.mobile-bottom{display:none}.tag-list{display:flex;flex-wrap:wrap;gap:8px}.tag-list a{padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--blue2);font-size:13px}.schedule-list{display:grid;gap:10px}.schedule-row{display:grid;grid-template-columns:120px 1fr 110px;gap:12px;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:14px}.schedule-row span{color:var(--muted);font-size:14px}
@media(max-width:980px){.desktop-only{display:none!important}.mobile-only{display:inline-flex}.header-inner{height:68px;justify-content:space-between}.brand-logo{position:absolute;left:50%;transform:translateX(-50%);width:auto}.brand-logo img{height:38px}.menu-toggle{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--title);align-items:center;justify-content:center}.header-actions{margin-left:auto}.hero-grid,.split,.page-hero-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(3,1fr)}.grid-3,.feedback-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:60px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);z-index:9998;align-items:center;justify-content:space-around}.mobile-bottom a{color:var(--title);font-weight:700;font-size:13px}body{padding-bottom:66px}}
@media(max-width:680px){.section{padding:44px 16px}.hero{padding-top:34px}.hero h1{font-size:35px}.section-head{align-items:start;flex-direction:column}.summary-row{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr);gap:12px}.grid-2,.grid-3,.feedback-grid,.info-list{grid-template-columns:1fr}.topic-card img{max-height:130px}.overview-groups{grid-template-columns:1fr}.intro-strip{align-items:flex-start;flex-direction:column}.schedule-row{grid-template-columns:1fr}.hero-actions{flex-wrap:wrap}.page-hero .image-card img{max-height:220px}.footer-inner{grid-template-columns:1fr}.register-btn{display:none}.brand-logo img{max-width:135px}.header-inner{padding:0 14px}.login-btn{padding:8px 14px}.quick-card{min-width:200px}}