/* 南宫28，所有资源均位于站点根目录 */
:root{--sky:#2AA9E0;--bright:#53C2F2;--navy:#244C78;--ink:#1C3552;--text:#31485F;--muted:#6B8299;--line:rgba(42,169,224,.16);--pale:#EFF8FF;--bg:#F6FBFF;--gold:#D9B15B;--purple:#6B4FAF}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:var(--navy);text-decoration:none}a:hover{color:var(--sky)}a:focus-visible,button:focus-visible{outline:3px solid var(--sky);outline-offset:3px}button{font:inherit;cursor:pointer}img{max-width:100%}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-100px;left:16px;padding:8px;background:#fff;z-index:20000}.skip-link:focus{top:10px}.site-header{height:70px;background:#fff;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(26,76,115,.04)}.header-inner{height:100%;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:6px;flex-shrink:0;white-space:nowrap}.brand img{width:auto;height:36px;max-width:138px;object-fit:contain}.brand-badge{font-weight:900;font-size:24px;color:var(--purple);letter-spacing:-1px}.brand-badge span{color:var(--gold)}.brand-name{font-size:17px;color:var(--navy);font-weight:750}.desktop-nav{display:flex;justify-content:center;align-items:center;flex:1;gap:clamp(9px,1.65vw,22px);height:100%;white-space:nowrap}.nav-link{font-size:14px;font-weight:700;height:100%;display:flex;align-items:center;position:relative}.nav-link.is-active,.channel-link.is-active{color:var(--sky)}.nav-link.is-active:after{position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--sky);content:""}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-width:82px;height:40px;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#53C2F2 0%,#2AA9E0 55%,#6B4FAF 100%);color:#fff;font-weight:700;white-space:nowrap}.main-btn:hover{color:#fff;filter:brightness(1.06)}.menu-toggle{display:none}.channel-bar{background:var(--pale);border-bottom:1px solid var(--line)}.channel-inner{height:44px;display:flex;align-items:center;justify-content:space-between;gap:22px;overflow-x:auto;scrollbar-width:thin}.channel-link{font-size:14px;white-space:nowrap;color:#58718E;font-weight:600}.site-main{padding-top:30px;padding-bottom:65px}.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--purple);margin-bottom:9px}.page-head{max-width:850px;margin-bottom:26px}.page-head h1,.home-hero h1{font-size:34px;line-height:1.32;margin:0 0 17px;color:var(--ink);letter-spacing:-.02em}.lead{font-size:17px;line-height:1.85;margin:0;color:#47647d}.breadcrumb{font-size:13px;color:var(--muted);margin:0 0 20px}.breadcrumb a{color:var(--muted)}.page-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;align-items:start}.article-pane{min-width:0}.article-section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:27px 30px;margin-bottom:18px;box-shadow:0 5px 22px rgba(30,80,118,.035)}.article-section h2{font-size:23px;color:var(--ink);line-height:1.4;margin:0 0 12px}.article-section h3{font-size:18px;color:var(--ink);margin:16px 0 8px}.article-section p{margin:0 0 15px}.article-section p:last-child{margin-bottom:0}.section-kicker{font-size:12px;font-weight:700;color:var(--sky);display:block;margin-bottom:8px}.sidebar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px;position:sticky;top:101px}.sidebar h2{font-size:18px;color:var(--ink);margin:0 0 10px}.sidebar a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.sidebar a:last-child{border:0}.sidebar-note{padding:15px;background:var(--pale);border-radius:12px;color:#56708a;font-size:13px;margin-top:16px}.related{margin:24px 0 8px}.related h2{font-size:22px;color:var(--ink)}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-links a{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-weight:700}.related-links span{color:var(--sky)}.media{display:flex;align-items:center;justify-content:center;width:100%;overflow:hidden;border-radius:12px;background:var(--pale);border:1px solid var(--line)}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media-banner{aspect-ratio:16/7}.media-wide{aspect-ratio:16/9}.media-square{aspect-ratio:1/1}.media-device{aspect-ratio:9/16;max-height:370px}.media-placeholder{position:relative;background:linear-gradient(120deg,#EFF8FF,#e4f3ff 48%,#f8fbff)}.placeholder-art{width:34%;height:36%;border:2px solid rgba(42,169,224,.2);border-radius:24px;transform:rotate(-10deg);background:linear-gradient(135deg,rgba(83,194,242,.06),rgba(107,79,175,.04))}.feature-media{margin:0 0 22px}.hero-panel{background:linear-gradient(125deg,#fff,#edf8ff);padding:25px;border-radius:15px;border:1px solid var(--line);margin-bottom:34px}.home-hero{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}.home-hero h1{font-size:36px}.home-hero p{margin:0 0 17px;line-height:1.85}.small-cta{font-weight:700;color:var(--sky)}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:15px;margin:37px 0 17px}.section-heading h2{font-size:25px;margin:0;color:var(--ink)}.section-heading a{font-size:14px;color:var(--sky);font-weight:700}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:23px;transition:transform .2s,box-shadow .2s}.topic-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(30,80,118,.08)}.topic-card h3{font-size:18px;line-height:1.4;margin:0 0 10px;color:var(--ink)}.topic-card p{font-size:14px;line-height:1.75;margin:0 0 12px}.topic-card>a{font-size:14px;font-weight:700;color:var(--sky)}.topic-number{display:inline-block;color:var(--purple);font-size:13px;font-weight:800;margin-bottom:12px}.feature-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:27px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.feature-split h3{font-size:22px;margin:0 0 10px;color:var(--ink)}.feature-split p{margin:0 0 12px}.link-list{background:#fff;border:1px solid var(--line);border-radius:13px;padding:9px 20px}.link-list a{display:block;padding:13px 0;border-bottom:1px solid var(--line);font-weight:650}.link-list a:last-child{border:0}.two-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.notice{background:#eff8ff;border-left:4px solid var(--sky);padding:19px 22px;border-radius:9px;font-size:14px;line-height:1.8}.notice strong{color:var(--navy)}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.gallery-item{background:#fff;padding:15px;border:1px solid var(--line);border-radius:13px}.gallery-item h2{font-size:18px;margin:13px 2px 5px;color:var(--ink)}.gallery-item p{font-size:14px;margin:0 2px 5px}.gallery-item .media{aspect-ratio:16/8}.faq-item{padding:20px 0;border-bottom:1px solid var(--line)}.faq-item h2{font-size:18px;color:var(--ink);margin:0 0 6px}.faq-item p{margin:0}.news-entry{display:grid;grid-template-columns:44px 1fr;gap:15px;align-items:start;border-bottom:1px solid var(--line);padding:18px 0}.news-entry:last-child{border:0}.news-index{font-size:23px;color:var(--sky);font-weight:800}.news-entry h2{font-size:20px;margin:0 0 8px;color:var(--ink)}.news-entry p{margin:0 0 8px}.news-entry a{font-weight:700;color:var(--sky)}.app-split{grid-template-columns:minmax(0,1.4fr) minmax(200px,.6fr)}.site-footer{background:#16324F;color:#E8F5FF;padding-top:44px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px;padding-bottom:34px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 14px}.footer-grid a{display:block;color:#d9eafa;font-size:14px;margin:4px 0}.footer-grid a:hover{color:#fff}.footer-grid p{font-size:14px;opacity:.88;max-width:310px}.footer-brand{font-size:21px!important;font-weight:800}.footer-brand span{color:var(--gold)}.footer-brand img{max-height:35px;max-width:120px;object-fit:contain}.footer-bottom{padding:17px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;gap:16px;align-items:center;justify-content:space-between;font-size:12px}.footer-bottom p{margin:0}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}.back-top{position:fixed;bottom:26px;right:22px;border:0;border-radius:50%;background:#2AA9E0;color:#fff;width:42px;height:42px;box-shadow:0 5px 20px rgba(20,70,110,.2);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;z-index:500}.back-top.is-visible{opacity:1;visibility:visible}
@media(max-width:1100px){.desktop-nav{gap:10px}.nav-link{font-size:13px}.header-inner{gap:15px}.brand-name{font-size:15px}}
@media(max-width:980px){.site-header{height:58px}.header-inner{justify-content:space-between;gap:10px}.desktop-nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:4px;width:36px;height:36px;flex-shrink:0;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;height:2px;width:20px;border-radius:3px;background:var(--navy)}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:29px;max-width:108px}.brand-badge{font-size:19px}.brand-name{font-size:14px}.register-btn{margin-left:auto;height:36px;min-width:65px;padding:0 13px;font-size:13px}.channel-inner{justify-content:flex-start;gap:23px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100vh;height:100dvh;overflow-y:auto;background:#fff;z-index:12000;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s}.mobile-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(28,73,114,.36);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s}.drawer-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}.drawer-top{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:white;padding:13px 18px}.drawer-heading{font-size:15px;font-weight:750}.drawer-close{color:#fff;background:transparent;border:0;font-size:29px;line-height:1}.drawer-group{padding:13px 17px;border-bottom:1px solid var(--line)}.drawer-group h2{font-size:13px;color:var(--sky);margin:0 0 6px}.drawer-group nav{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}.drawer-group a{padding:5px 0;font-size:14px}.drawer-group a.is-active{color:var(--sky);font-weight:bold}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);z-index:900;background:#fff;border-top:1px solid var(--line);height:60px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;justify-content:center;align-items:center;font-size:13px;font-weight:700}.mobile-bottom-nav a.is-active{color:var(--sky)}.site-main{padding-bottom:100px}.back-top{bottom:77px}.page-shell{grid-template-columns:1fr}.sidebar{position:static}.sidebar nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 15px}.home-hero h1{font-size:31px}}
@media(max-width:768px){.container{width:calc(100% - 40px)}.home-hero{grid-template-columns:1fr}.home-hero .media{max-height:230px}.page-head h1{font-size:27px}.feature-split{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom p{margin-top:6px}.related-links{grid-template-columns:1fr 1fr}.app-split{grid-template-columns:1fr}.media-device{max-width:240px;margin-inline:auto}}
@media(max-width:520px){.container{width:calc(100% - 32px)}body{font-size:15px;line-height:1.78}.site-main{padding-top:20px}.page-head h1{font-size:25px}.home-hero h1{font-size:27px}.lead{font-size:15px}.hero-panel{padding:17px}.article-section{padding:20px 17px}.article-section h2{font-size:20px}.section-heading h2{font-size:21px}.section-heading{margin-top:28px}.card-grid{gap:12px}.topic-card{padding:16px 13px}.topic-card h3{font-size:16px}.topic-card p{font-size:13px}.two-cols{grid-template-columns:1fr}.gallery-grid{grid-template-columns:1fr}.related-links{grid-template-columns:1fr}.footer-grid{gap:18px 12px}.feature-split{padding:16px}.sidebar nav{grid-template-columns:1fr 1fr}.channel-link{font-size:13px}}
@media(max-width:360px){.brand-name{display:none}.brand-badge{font-size:20px}.register-btn{min-width:58px}.card-grid{grid-template-columns:1fr 1fr}.topic-card{padding:14px 11px}.topic-card h3{font-size:15px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid p{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}