:root{--bg:#F4F8FD;--card:#FFFFFF;--soft:#EAF3FF;--line:#C3D6F0;--title:#143250;--text:#243447;--muted:#5B6B7C;--sub:#7A8896;--blue:#1C63E8;--blue2:#154FC0;--footer:#0E2338;--footerText:#D5E6F6;--shadow:0 14px 34px rgba(16,48,84,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}img{max-width:100%}a{color:var(--blue)}button,input{font:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(247,251,255,.96);box-shadow:0 8px 24px rgba(16,48,84,.08);backdrop-filter:blur(14px)}.header-inner{max-width:1220px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:128px;height:40px;padding:0 12px;border-radius:12px;background:var(--soft);color:var(--title);font-weight:900;letter-spacing:.08em}.nav-core{display:flex;align-items:center;gap:6px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#143250;padding:8px 12px;border-radius:999px;font-weight:700;text-decoration:none}.nav-core a.is-current,.nav-core a:hover{background:#E4F0FF;color:#1C63E8}.header-actions{display:flex;gap:10px;align-items:center;flex:0 0 auto}.login-btn,.register-btn{height:42px;min-width:88px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap}.login-btn{background:#1C63E8;color:#FFF}.register-btn{background:#FFF;color:#143250;border:1px solid #C3D6F0}.mobile-head{display:none}.channel-wrap{background:#FFF;border-bottom:1px solid #E5EEF8;overflow:hidden}.channel-bar{max-width:1220px;margin:0 auto;padding:10px 20px;display:flex;gap:6px;white-space:nowrap;overflow-x:auto;scrollbar-width:thin}.channel-bar a{color:#5B6B7C;text-decoration:none;font-size:14px;padding:6px 10px;border-radius:999px}.channel-bar a:hover{color:#1C63E8;background:#EAF3FF}.site-main{min-height:60vh}.page-shell{width:min(1220px,calc(100% - 40px));margin:0 auto;padding:0}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:42px;align-items:center}.hero-copy h1,.page-hero h1{margin:0 0 18px;color:var(--title);font-size:clamp(40px,4.2vw,52px);line-height:1.16;letter-spacing:-.03em}.hero-copy p,.page-hero p{font-size:18px;color:var(--muted);margin:0 0 24px}.eyebrow{display:inline-flex;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--blue);font-weight:800;font-size:14px;margin-bottom:14px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn-primary,.btn-outline{min-height:44px;padding:0 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800}.btn-primary{background:var(--blue);color:#fff}.btn-outline{background:#fff;color:var(--title);border:1px solid var(--line)}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:18px;background:#EAF3FF;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media.hero-media{height:280px;aspect-ratio:auto}.media.module-media{height:244px;aspect-ratio:auto}.media.card-media{height:176px;aspect-ratio:auto}.media-placeholder{display:flex;align-items:center;justify-content:center;color:#7890A7;font-weight:800;letter-spacing:.08em;background:linear-gradient(135deg,#EAF3FF,#F7FBFF)}.section{padding:78px 0}.section.compact{padding:48px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:26px}.section-head h2{margin:0;color:var(--title);font-size:clamp(28px,3vw,38px);line-height:1.25}.section-head p{margin:0;max-width:640px;color:var(--muted)}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.info-card,.topic-card,.plain-card,.quote-card,.faq-item,.notice-card{background:var(--card);border:1px solid #E6EEF7;border-radius:18px;box-shadow:var(--shadow)}.info-card,.plain-card,.quote-card,.notice-card{padding:24px}.info-card h3,.topic-card h3,.plain-card h3,.notice-card h3{margin:0 0 10px;color:var(--title);font-size:20px;line-height:1.35}.info-card p,.topic-card p,.plain-card p,.notice-card p{margin:0 0 14px;color:var(--muted)}.text-link{font-weight:800;text-decoration:none}.topic-card{overflow:hidden}.topic-card .topic-body{padding:18px}.topic-card .media{border-radius:0}.topic-card .media-placeholder{min-height:176px}.scroll-links{display:flex;gap:10px;overflow-x:auto;padding:6px 0 10px;scrollbar-width:thin}.scroll-links a{flex:0 0 auto;text-decoration:none;background:#fff;border:1px solid var(--line);color:var(--title);padding:10px 15px;border-radius:999px;font-weight:800}.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:32px;align-items:start}.reading{max-width:860px;margin:0 auto}.reading h2{color:var(--title);font-size:30px;margin:44px 0 14px}.reading h3{color:var(--title);font-size:22px;margin:30px 0 10px}.reading p{font-size:17px;margin:0 0 20px}.reading ul,.reading ol{font-size:17px;padding-left:22px;margin:0 0 24px}.reading li{margin:8px 0}.toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0 34px}.toc a{background:#fff;border:1px solid #E2ECF7;border-radius:14px;padding:14px 16px;text-decoration:none;font-weight:800}.step-list{counter-reset:step;display:grid;gap:14px}.step{position:relative;background:#fff;border:1px solid #E2ECF7;border-radius:16px;padding:20px 20px 20px 66px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-weight:900}.quote-card p{font-size:16px;margin:0;color:var(--text)}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h3{margin:0 0 10px;color:var(--title);font-size:19px}.faq-item p{margin:0;color:var(--muted)}.callout{background:#EAF3FF;border:1px solid #DCEAFB;border-radius:18px;padding:24px;color:var(--title)}.callout strong{display:block;margin-bottom:6px}.page-hero{padding:72px 0 24px}.page-hero .hero-wrap{width:min(980px,calc(100% - 40px));margin:0 auto}.breadcrumb{font-size:14px;color:var(--sub);margin-bottom:12px}.breadcrumb a{text-decoration:none}.related{display:flex;flex-wrap:wrap;gap:10px}.related a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;text-decoration:none;font-weight:700}.float-tools{position:fixed;right:18px;top:34%;z-index:3000;width:94px;display:grid;gap:8px}.float-tools a,.float-tools button{border:1px solid #D7E5F5;background:#fff;color:var(--blue);border-radius:14px;padding:10px 8px;text-decoration:none;text-align:center;font-weight:800;font-size:13px;box-shadow:0 8px 20px rgba(16,48,84,.08)}.float-tools .float-primary{background:var(--blue);color:#fff}.float-tools button{cursor:pointer}.site-footer{background:#0E2338;color:#D5E6F6;margin-top:60px}.footer-grid{width:min(1220px,calc(100% - 40px));margin:0 auto;padding:64px 0 42px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:32px}.footer-grid>div{display:grid;align-content:start;gap:9px}.footer-grid strong{color:#fff;font-size:16px}.footer-grid a{color:#D5E6F6;text-decoration:none}.footer-grid p{margin:8px 0 0;color:#AFC6DA}.footer-logo img{height:40px;width:auto;max-width:168px;object-fit:contain}.footer-wordmark{background:rgba(255,255,255,.08);color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);width:min(1220px,calc(100% - 40px));margin:0 auto;padding:22px 0 30px;display:flex;justify-content:space-between;gap:24px;color:#AFC6DA;font-size:14px}.footer-bottom p{margin:0}.mobile-bottom{display:none}.mobile-drawer,.drawer-overlay{display:none}.badge{display:inline-block;font-size:13px;background:#EAF3FF;color:#1C63E8;border-radius:999px;padding:5px 10px;font-weight:800}.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{background:#fff;border:1px solid #E4EDF7;border-radius:16px;padding:20px}.stat strong{display:block;color:var(--title);font-size:19px}.stat span{color:var(--muted);font-size:14px}.soft-band{background:#EAF3FF}.notice-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.notice-stack{display:grid;gap:18px}.mini-list{display:grid;gap:12px}.mini-list a{background:#fff;border:1px solid #E4EDF7;padding:14px 16px;border-radius:14px;text-decoration:none;font-weight:800;color:var(--title)}
@media(max-width:1120px){.nav-core a{padding:8px 8px;font-size:14px}.header-actions{gap:6px}.login-btn,.register-btn{min-width:76px;padding:0 14px}.float-tools{display:none}.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.desktop-head,.channel-wrap{display:none}.mobile-head{height:64px;padding:0 14px;display:grid;grid-template-columns:44px minmax(0,1fr) 70px;align-items:center;gap:10px}.menu-btn{width:42px;height:42px;border:0;background:#fff;border-radius:12px;display:grid;align-content:center;gap:5px;padding:10px}.menu-btn span{display:block;height:2px;background:#143250;border-radius:2px}.mobile-logo{justify-self:center;display:flex;align-items:center;max-width:164px}.mobile-logo img{display:block;width:auto;height:36px;max-width:158px;object-fit:contain}.mobile-login{justify-self:end;width:68px;height:40px;display:flex;align-items:center;justify-content:center;background:#1C63E8;color:#fff;border-radius:999px;text-decoration:none;font-weight:800}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(86vw,328px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .25s ease;overflow-y:auto;padding:16px;box-shadow:16px 0 40px rgba(16,48,84,.16)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(14,35,56,.38);z-index:11000;opacity:0;visibility:hidden;transition:.2s}.drawer-overlay.is-open{opacity:1;visibility:visible}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid #E7EEF7}.drawer-logo img{height:36px;width:auto;max-width:158px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;background:#EAF3FF;border-radius:12px;font-size:28px;color:#143250}.drawer-group{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:16px 0;border-bottom:1px solid #EDF2F7}.drawer-group strong{grid-column:1/-1;color:#143250;font-size:14px}.drawer-group a{color:#40566C;text-decoration:none;font-size:14px;padding:8px 9px;background:#F7FAFD;border-radius:10px}.drawer-lock{overflow:hidden}.page-shell{width:min(100% - 28px,1220px);padding:0}.page-hero{padding:48px 0 14px}.page-hero .hero-wrap{width:min(100% - 28px,980px)}.hero{grid-template-columns:1fr;gap:24px}.hero-copy h1,.page-hero h1{font-size:clamp(30px,9vw,36px)}.hero-copy p,.page-hero p{font-size:16px}.media.hero-media{height:205px}.media.module-media{height:230px}.section{padding:56px 0}.section.compact{padding:36px 0}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid-3,.grid-2,.two-col,.notice-grid{grid-template-columns:1fr}.stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{align-items:start;flex-direction:column}.reading h2{font-size:26px;margin-top:36px}.reading p,.reading ul,.reading ol{font-size:16px}.toc{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;padding:48px 0 28px}.footer-bottom{flex-direction:column;padding-bottom:90px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8000;height:62px;background:#fff;border-top:1px solid #DCE8F5;display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#496276;text-decoration:none;font-size:13px;font-weight:800}.site-main{padding-bottom:56px}.site-footer{margin-top:40px}}
@media(max-width:430px){.mobile-head{grid-template-columns:42px minmax(0,1fr) 64px;padding:0 10px;gap:6px}.mobile-login{width:62px;height:38px}.mobile-logo{max-width:150px}.mobile-logo img{max-width:146px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-card .topic-body{padding:14px}.topic-card h3{font-size:17px}.topic-card p{font-size:14px}.media.card-media{height:168px}.info-card,.plain-card,.quote-card,.notice-card,.faq-item{padding:18px}.stat-row{grid-template-columns:1fr}.actions{display:grid;grid-template-columns:1fr 1fr}.btn-primary,.btn-outline{width:100%}}

@media(min-width:1121px){.page-shell{padding-right:92px}}