/* 51 GUAGUA / 原生 CSS */
:root{--bg:#10191d;--deep:#0c1418;--wine:#251219;--redcard:#381d29;--teal:#0b3035;--tealcard:#123d43;--panel:#1d2a30;--red:#922d47;--rose:#ee8397;--mint:#73d7d2;--tealbtn:#08686e;--paper:#f9f5f1;--light:#eaf5f2;--pink:#f8e9eb;--gold:#d9b181;--ink:#1d2c31;--muted:#34464a;--white:#fcf7f5;--body:#e4ebe9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.78 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;object-fit:contain;object-position:center;display:block}.wrap{width:min(100% - 64px,1240px);margin:0 auto}.skip-link{position:absolute;left:12px;top:-100px;z-index:100;background:#fff;color:#111;padding:10px}.skip-link:focus{top:10px}.masthead{background:var(--teal);font-size:13px;color:var(--body)}.mastrow{display:flex;align-items:center;justify-content:space-between;min-height:28px;gap:15px}.main-header{background:var(--wine);border-bottom:1px solid #52333c}.mainrow{min-height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:155px}.brand-logo{max-width:130px;max-height:54px}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text b{font-size:23px;color:var(--white)}.brand-text small{font-size:11px;color:var(--mint);letter-spacing:2px;margin-top:4px}.main-links{display:flex;align-items:center;justify-content:center;gap:20px;flex:1;white-space:nowrap}.main-links a{font-size:14px;border-bottom:3px solid transparent;padding:25px 0 19px}.main-links [aria-current=page]{color:var(--mint);border-color:var(--mint);font-weight:700}.head-actions{display:flex;align-items:center;gap:12px;white-space:nowrap}.search-link{font-size:14px}.menu-trigger{min-height:44px;border:1px solid #b78492;background:var(--red);color:white;border-radius:10px;padding:8px 14px}.channel-band{background:var(--tealcard)}.channel-links{display:flex;gap:30px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:thin;min-height:43px}.channel-links a{font-size:13px}.drawer-shade{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:50}.drawer-shade[hidden]{display:none}.menu-drawer{position:fixed;z-index:51;right:0;top:0;height:100dvh;width:min(390px,88vw);background:var(--paper);color:var(--ink);transform:translateX(102%);transition:transform .2s ease;visibility:hidden;display:flex;flex-direction:column;box-shadow:-12px 0 35px #0005}.menu-drawer.active{transform:translateX(0);visibility:visible}.drawer-title{padding:17px 24px;border-bottom:1px solid #d6dcd9;display:flex;align-items:center;justify-content:space-between}.drawer-title h2{margin:0;font-size:22px}.drawer-title button{width:44px;height:44px;border:0;background:#e7efed;border-radius:8px;font-size:26px}.drawer-scroll{overflow-y:auto;padding:10px 24px 40px}.drawer-group{padding:15px 0;border-bottom:1px solid #dee5e1}.drawer-group h3{margin:0 0 8px;color:#8a3147;font-size:15px}.drawer-group a{display:inline-block;margin:3px 12px 5px 0;font-size:14px;min-height:30px}.eyebrow{color:var(--mint);font-size:13px;letter-spacing:.8px;font-weight:700}.hero{background:linear-gradient(120deg,#381d29,#151e25 61%,#0b3035);padding:58px 0 48px}.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px}.hero-main{border:1px solid #704c5b;border-radius:18px;padding:26px;min-width:0}.hero h1{color:var(--white);font-size:38px;line-height:1.25;margin:14px 0}.hero-sub{font-size:21px;color:var(--mint);font-weight:700}.hero p{color:var(--body);max-width:690px}.hero-media{margin-top:22px;max-height:390px;border-radius:16px;overflow:hidden;background:linear-gradient(130deg,#702a45,#0b5a5a)}.hero-media img{max-height:390px;width:100%;object-fit:contain}.hero-side{display:grid;gap:17px}.hero-teaser{padding:25px;border-radius:15px;background:#123d43;border:1px solid #2e6364}.hero-teaser:nth-child(2){background:#381d29;border-color:#61414a}.hero-teaser h2{font-size:23px;line-height:1.4;color:var(--white);margin:8px 0}.hero-teaser p{font-size:15px}.btn,.pill-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;background:var(--red);color:white;border-radius:10px;font-weight:700;font-size:14px}.btn:hover,.pill-link:hover{text-decoration:none;background:#b63c59}.btn.mint{background:var(--mint);color:#173238}.section-shell{padding:56px 0;background:var(--paper);color:var(--ink)}.section-shell.tint{background:var(--light)}.section-shell.dark{background:var(--teal);color:var(--white)}.section-shell.rose{background:var(--pink)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:24px}.section-head h2,.page-intro h1{font-size:28px;line-height:1.35;margin:6px 0 9px}.section-head p{margin:0;color:var(--muted);max-width:720px}.section-shell .eyebrow,.page-intro .eyebrow{color:#8a3048}.editorial-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:stretch}.feature-visual{border-radius:17px;overflow:hidden;background:linear-gradient(145deg,#0b3035,#5f2740);min-height:250px;display:flex;flex-direction:column;justify-content:end}.feature-visual img{max-height:285px;width:100%;object-fit:contain}.visual-caption{padding:22px;color:white}.visual-caption strong{font-size:23px}.visual-caption p{font-size:14px;max-width:530px;margin:7px 0}.story-list{display:grid;gap:10px}.article-card{border-radius:12px;border:1px solid #d7e2dc;background:#fff;color:var(--ink);min-width:0}.article-card-inner{padding:20px}.article-card h3{font-size:19px;line-height:1.4;margin:8px 0}.article-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 8px}.article-card .eyebrow{font-size:12px;color:#8b344b}.text-link{font-size:14px;color:#075961;font-weight:700}.article-card.compact .article-card-inner{padding:14px 19px}.article-card.compact h3{font-size:17px;margin:5px 0}.article-card.compact p{margin:0 0 5px}.quick-index{background:#161f24;padding:39px 0}.quick-index h2{margin:0 0 18px;font-size:26px}.index-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.index-item{border-bottom:1px solid #3c4d52;padding:11px 0}.index-item strong{display:block;color:white;font-size:16px}.index-item span{font-size:13px;color:#b5d2cf}.four-doors{padding:50px 0;background:var(--paper);color:var(--ink)}.doors{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.door{border-radius:14px;min-height:175px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:var(--redcard);color:white}.door:nth-child(2){background:var(--pink);color:var(--ink)}.door:nth-child(3){background:var(--tealcard)}.door:nth-child(4){background:var(--light);color:var(--ink)}.door h3{font-size:20px;margin:5px 0}.door p{font-size:13px;margin:0}.door span{font-size:13px;font-weight:700}.home-feature{padding:52px 0;background:var(--teal);color:white}.home-feature .section-head h2,.dark .section-head h2{color:white}.home-feature .section-head p,.dark .section-head p{color:#d3e5e0}.home-feature .eyebrow,.dark .eyebrow{color:var(--mint)}.home-feature .pill-link{background:var(--mint);color:#14353b}.home-feature .feature-visual{background:linear-gradient(130deg,#3a202c,#0e5b60)}.split-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.mini-panel{border-radius:16px;padding:24px;background:var(--panel);color:white}.mini-panel img{max-height:230px;margin:auto}.mini-panel h3{font-size:22px}.mini-panel p{color:#d8e6e3}.pathway{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:steps}.pathway li{background:white;color:var(--ink);padding:23px;border:1px solid #cddbd5;border-radius:14px;counter-increment:steps}.pathway li:before{content:counter(steps,decimal-leading-zero);color:#8a3147;font-size:25px;font-weight:800}.page-intro{background:linear-gradient(115deg,#301721,#0b3035);padding:45px 0;color:white}.page-intro h1{color:white;font-size:38px}.page-intro p{max-width:750px}.page-intro .eyebrow{color:var(--mint)}.page-main{padding:42px 0 70px;background:var(--paper);color:var(--ink)}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:35px}.lead-image{background:#18393e;border-radius:15px;overflow:hidden;margin-bottom:24px}.lead-image img{max-height:370px;width:100%;object-fit:contain}.article-list{display:grid;gap:15px}.sidebar{align-self:start;border-radius:14px;background:#eaf5f2;padding:22px}.sidebar h2{font-size:20px;margin:0 0 10px}.sidebar a{display:block;padding:9px 0;border-bottom:1px solid #cbdcd5;font-size:14px}.rich-text{font-size:17px;line-height:1.84;max-width:790px}.rich-text p{margin:0 0 1.2em}.rich-text h2{font-size:24px;margin:30px 0 10px;color:#153d44}.article-meta{font-size:13px;color:#5b686b;border-bottom:1px solid #d8e1dd;padding-bottom:16px;margin-bottom:24px}.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}.tag-list span{border-radius:30px;background:#e0eeeb;padding:5px 13px;font-size:13px}.search-form{display:flex;gap:10px;margin:20px 0 28px}.search-form input{flex:1;min-width:0;height:48px;border:1px solid #a0b8b2;border-radius:10px;padding:0 15px;background:white;color:var(--ink)}.search-form button{border:0;border-radius:10px;background:var(--tealbtn);color:white;padding:0 25px;min-height:44px}.search-empty{padding:22px;border-radius:12px;background:#eaf5f2;color:var(--ink)}.service-list{padding-left:1.5em}.service-list li{margin-bottom:12px}.site-footer{background:#0c2023;border-top:3px solid #643344;padding:50px 0 0;color:var(--body)}.foot-brand{display:flex;justify-content:space-between;align-items:center;gap:35px;padding-bottom:32px;border-bottom:1px solid #385057}.foot-brand strong{color:white;font-size:25px}.foot-brand strong span{font-size:13px;color:var(--mint)}.foot-brand p{font-size:14px;max-width:700px}.foot-art{max-height:110px;max-width:230px}.footer-columns{display:grid;grid-template-columns:repeat(5,1fr);gap:26px;padding:30px 0}.footer-columns h3{font-size:16px;color:var(--mint)}.footer-columns a{font-size:13px;display:block;line-height:2.15}.foot-end{border-top:1px solid #385057;display:flex;justify-content:space-between;gap:16px;font-size:13px;padding:19px 0}.mobile-bottom{display:none}@media(max-width:1080px){.main-links{gap:12px}.main-links a{font-size:12px}.mainrow{gap:14px}.brand{min-width:130px}.brand-text b{font-size:20px}.doors{grid-template-columns:repeat(2,1fr)}.footer-columns{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.wrap{width:calc(100% - 44px)}.main-links{display:none}.head-actions{margin-left:auto}.hero-grid,.editorial-grid,.page-layout{grid-template-columns:1fr}.hero{padding:34px 0}.hero-main{padding:22px}.hero-side{grid-template-columns:repeat(2,1fr)}.index-list{grid-template-columns:1fr}.pathway{grid-template-columns:repeat(2,1fr)}.footer-columns{grid-template-columns:repeat(2,1fr)}.split-pair{grid-template-columns:1fr}}@media(max-width:600px){.wrap{width:calc(100% - 34px)}.mastrow{font-size:11px}.mastrow a{max-width:130px;text-align:right}.mainrow{min-height:68px}.brand-logo{max-width:100px}.brand-text b{font-size:19px}.brand-text small{font-size:10px}.search-link{display:none}.menu-trigger{padding:8px 10px;font-size:13px}.channel-links{gap:20px}.hero-grid,.hero-side,.split-pair{grid-template-columns:1fr}.hero h1,.page-intro h1{font-size:30px}.hero-sub{font-size:19px}.section-shell,.home-feature{padding:36px 0}.section-head{align-items:start;flex-direction:column;gap:12px}.section-head h2{font-size:24px}.doors{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.door{padding:15px;min-height:175px}.door h3{font-size:18px}.page-intro{padding:34px 0}.page-main{padding:26px 0 48px}.pathway{grid-template-columns:1fr}.foot-brand{align-items:flex-start}.foot-art{display:none}.footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.foot-end{flex-direction:column}.mobile-bottom{position:sticky;bottom:0;height:calc(56px + env(safe-area-inset-bottom));background:#251219;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;padding-bottom:env(safe-area-inset-bottom);z-index:20;border-top:1px solid #76505a}.mobile-bottom a{text-align:center;font-size:14px;min-height:44px;display:grid;place-items:center}.site-footer{padding-top:35px}.search-form button{padding:0 16px}}@media(max-width:360px){.wrap{width:calc(100% - 32px)}.head-actions{gap:5px}.brand{min-width:0}.brand-text small{letter-spacing:1px}.door{padding:12px}.door h3{font-size:17px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.menu-drawer{transition:none}}