:root{--bg:#F3F6F9;--surface:#FFFFFF;--surface-2:#E8EEF5;--ink:#0B1220;--text:#1E293B;--muted:#475569;--soft:#64748B;--blue:#2563EB;--blue-light:#60A5FA;--blue-dark:#1D4ED8;--lime:#65A30D;--slate:#334155;--border:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--radius:18px;--header-h:136px}*{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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.shell{width:min(1180px,calc(100% - 32px));margin-inline:auto}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:fixed;z-index:50;top:0;left:0;right:0}.status-bar{height:32px;background:var(--slate);color:#fff}.status-inner,.command-inner,.tab-inner{height:100%;display:flex;align-items:center}.status-inner{justify-content:space-between}.status-brand{font-size:12px;font-weight:800;letter-spacing:.06em}.icon-button,.menu-button,.close-button{border:0;background:transparent;font:inherit;cursor:pointer}.icon-button{min-width:44px;height:32px;color:#fff;font-size:20px}.command-bar{height:60px;background:#fff;border-bottom:1px solid var(--border)}.command-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:16px}.menu-button{justify-self:start;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;color:var(--blue);font-size:20px;background:#fff}.command-logo{justify-self:center;display:flex;align-items:center;min-height:44px;font-size:20px;font-weight:900;color:var(--ink);letter-spacing:.03em}.command-logo img{max-height:32px;width:auto}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;color:#fff;font-weight:800;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);box-shadow:0 8px 20px rgba(37,99,235,.18)}.tab-bar{height:44px;background:#fff;border-bottom:1px solid var(--border)}.tab-inner{justify-content:center;gap:28px}.tab-link{position:relative;height:44px;display:flex;align-items:center;font-size:14px;color:var(--muted);font-weight:700}.tab-link:hover,.tab-link:focus-visible{color:var(--blue)}.tab-link.is-active{color:var(--blue)}.tab-link.is-active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--blue);border-radius:3px 3px 0 0}.site-main{padding-top:calc(var(--header-h) + 34px);min-height:70vh}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.page-head{margin-bottom:28px}.page-head h1,.hero-copy h1{margin:0;color:var(--ink);font-size:clamp(28px,4vw,32px);line-height:1.25}.page-head p{max-width:780px;margin:14px 0 0;color:var(--muted)}.section{padding:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:18px}.section-head h2{margin:0;color:var(--ink);font-size:24px;line-height:1.35}.section-head p{margin:0;max-width:620px;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:26px}.hero-copy{max-width:800px}.hero-copy p{margin:16px 0 0;color:var(--muted)}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 22px;border-radius:999px;font-weight:800}.btn.primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff}.btn.secondary{border:1px solid var(--blue);background:#fff;color:var(--blue)}.btn:hover{transform:translateY(-1px)}.btn:focus-visible,.menu-button:focus-visible,.icon-button:focus-visible,.close-button:focus-visible,a:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}.media-slot{display:flex;align-items:center;justify-content:center;min-height:190px;margin-top:24px;background:linear-gradient(145deg,#EEF3F9,#E2EAF4);border:1px solid var(--border);border-radius:16px;overflow:hidden}.media-slot img{width:100%;max-height:340px;object-fit:contain;background:#fff}.theme-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.theme-item{display:grid;grid-template-columns:14px 1fr auto;gap:12px;align-items:start;padding:16px 18px;background:#fff;border:1px solid var(--border);border-radius:14px}.theme-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);margin-top:10px}.theme-item h3{margin:0 0 4px;font-size:17px;color:var(--ink)}.theme-item p{margin:0;color:var(--muted);font-size:14px}.theme-item a{color:var(--blue);font-weight:800;white-space:nowrap}.number-stack{display:grid;gap:14px}.number-item{display:grid;grid-template-columns:96px 1fr;gap:18px;padding:22px;background:#fff;border:1px solid var(--border);border-radius:16px}.number-item .num{font-size:38px;line-height:1;color:var(--blue);font-weight:900;letter-spacing:-.05em}.number-item h3{margin:0 0 8px;color:var(--ink);font-size:20px}.number-item p{margin:0;color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.content-card{padding:18px}.content-card h3{margin:12px 0 6px;color:var(--ink)}.content-card p{margin:0;color:var(--muted)}.content-card .media-slot{margin-top:0;min-height:150px}.long-row{display:grid;grid-template-columns:minmax(220px,.8fr) 1.2fr;gap:20px;padding:20px}.long-row .media-slot{margin:0;min-height:180px}.long-row h3{margin:0 0 10px;color:var(--ink);font-size:23px}.long-row p{margin:0;color:var(--muted)}.mural-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mural-tile{padding:22px;min-height:150px;background:#fff;border:1px solid var(--border);border-radius:16px}.mural-tile b{color:var(--blue);font-size:13px}.mural-tile h3{margin:6px 0;color:var(--ink)}.mural-tile p{margin:0;color:var(--muted)}.file-list{display:grid;gap:8px}.file-row{display:grid;grid-template-columns:40px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:14px}.file-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#EAF2FF;color:var(--blue);font-weight:900}.file-row h3{margin:0;color:var(--ink);font-size:16px}.file-row p{margin:2px 0 0;color:var(--muted);font-size:14px}.file-row a{color:var(--blue);font-weight:800}.timeline{position:relative;display:grid;gap:18px;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:9px;bottom:9px;width:2px;background:rgba(37,99,235,.22)}.timeline-item{position:relative;padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:15px}.timeline-item:before{content:"";position:absolute;left:-26px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px var(--bg)}.timeline-item .status{display:inline-flex;padding:3px 9px;border-radius:999px;background:#EAF2FF;color:var(--blue);font-size:12px;font-weight:900}.timeline-item h3{margin:8px 0 6px;color:var(--ink)}.timeline-item p{margin:0;color:var(--muted)}.service-block{display:grid;grid-template-columns:minmax(240px,.8fr) 1.2fr;gap:24px;align-items:center;padding:24px}.service-block .media-slot{margin:0;min-height:260px}.service-block h2{margin:0;color:var(--ink);font-size:26px}.service-block p{color:var(--muted)}.article-body{display:grid;gap:18px}.article-section{padding:22px 24px;background:#fff;border:1px solid var(--border);border-radius:16px}.article-section h2{margin:0 0 8px;color:var(--ink);font-size:22px}.article-section h3{margin:18px 0 6px;color:var(--ink);font-size:18px}.article-section p{margin:0 0 10px;color:var(--text)}.article-section p:last-child{margin-bottom:0}.article-section ul{margin:8px 0 0;padding-left:1.2em;color:var(--text)}.index-links{display:flex;flex-wrap:wrap;gap:10px}.index-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--blue);font-weight:800}.quote-note{padding:16px 18px;border-left:4px solid var(--blue);background:#EEF4FF;border-radius:0 14px 14px 0;color:var(--slate)}.faq-list{display:grid;gap:12px}.faq-item{padding:20px 22px;background:#fff;border:1px solid var(--border);border-radius:16px}.faq-item h2{margin:0 0 8px;color:var(--ink);font-size:18px}.faq-item p{margin:0;color:var(--text)}.site-footer{margin-top:50px;padding:40px 0 calc(82px + env(safe-area-inset-bottom));background:#0B1220;color:#D6E4FF}.footer-brand-row{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(214,228,255,.13)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{max-height:30px;width:auto}.footer-brand strong{display:block;color:#fff}.footer-brand small{display:block;color:#9FB7DE}.footer-brand-row p{max-width:620px;margin:0;color:#AFC4E6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:28px 0}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid h2{margin:0 0 6px;color:#fff;font-size:15px}.footer-grid a{color:#C4D4EF;font-size:14px}.footer-grid a:hover{color:#fff}.footer-note{padding-top:22px;border-top:1px solid rgba(214,228,255,.13);display:flex;justify-content:space-between;gap:24px}.footer-note p{margin:0;color:#8FA8CF;font-size:13px}.overlay{position:fixed;z-index:80;inset:0;background:rgba(11,18,32,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mosaic-menu{position:fixed;z-index:90;inset:0;background:#F3F6F9;transform:translateY(-24px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s;overflow:auto}.mosaic-menu.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.mosaic-head{height:78px;display:flex;align-items:center;justify-content:space-between}.mosaic-brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:900;font-size:20px}.mosaic-brand img{max-height:32px;width:auto}.close-button{width:44px;height:44px;border-radius:14px;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:26px}.mosaic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:40px}.mosaic-group{padding:18px;background:#fff;border:1px solid var(--border);border-radius:16px}.mosaic-group h2{margin:0 0 10px;color:var(--ink);font-size:16px}.mosaic-group a{display:block;padding:11px 8px;border-radius:12px}.mosaic-group a:hover{background:#EEF4FF}.mosaic-group b{display:block;color:var(--blue)}.mosaic-group span{display:block;margin-top:3px;color:var(--muted);font-size:13px;line-height:1.55}.search-panel{position:fixed;z-index:92;left:0;right:0;top:92px;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.2s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-card{padding:20px;background:#F3F6F9;border:1px solid rgba(37,99,235,.2);border-radius:0 0 18px 18px;box-shadow:var(--shadow)}.search-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-top h2{margin:0;color:var(--ink);font-size:19px}.search-visual{display:flex;align-items:center;gap:12px;min-height:52px;margin:14px 0;padding:0 18px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:9px}.preset-links a{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--blue);font-weight:800}.mobile-nav{display:none}.tag{display:inline-flex;padding:4px 9px;border-radius:999px;background:#EAF2FF;color:var(--blue);font-size:12px;font-weight:900}.split-note{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mini-card{padding:18px;background:#fff;border:1px solid var(--border);border-radius:15px}.mini-card h3{margin:0 0 6px;color:var(--ink)}.mini-card p{margin:0;color:var(--muted)}.step-list{counter-reset:step;display:grid;gap:12px}.step-item{counter-increment:step;display:grid;grid-template-columns:54px 1fr;gap:14px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:16px}.step-item:before{content:counter(step,decimal-leading-zero);font-size:26px;font-weight:900;color:var(--blue)}.step-item h2{margin:0 0 6px;color:var(--ink);font-size:20px}.step-item p{margin:0;color:var(--muted)}
@media(max-width:820px){:root{--header-h:92px}.tab-bar{display:none}.site-main{padding-top:calc(var(--header-h) + 26px)}.grid-3,.grid-2,.service-block,.long-row,.footer-grid,.split-note{grid-template-columns:1fr}.theme-list{grid-template-columns:1fr}.mosaic-grid{grid-template-columns:repeat(2,1fr)}.number-item{grid-template-columns:66px 1fr}.number-item .num{font-size:30px}.footer-brand-row,.footer-note{flex-direction:column}.site-footer{padding-bottom:calc(86px + env(safe-area-inset-bottom))}.mobile-nav{position:fixed;z-index:60;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 22px rgba(11,18,32,.08)}.mobile-nav a{display:flex;min-width:0;align-items:center;justify-content:center;flex-direction:column;gap:1px;color:var(--soft);font-size:11px}.mobile-nav a span{font-size:18px;line-height:1}.mobile-nav a b{font-weight:800}.mobile-nav a.is-active{color:var(--blue)}.search-panel{top:0;bottom:0;background:#F3F6F9}.search-card{width:100%;height:100%;border:0;border-radius:0;overflow:auto;padding-top:22px}.command-inner{grid-template-columns:44px 1fr auto;gap:10px}.command-logo{justify-self:center}.app-link{padding:0 14px}.mosaic-menu{z-index:95}.overlay{z-index:80}.section{padding:26px 0}.hero-card{padding:20px}.mural-grid{grid-template-columns:1fr}.file-row{grid-template-columns:38px 1fr}.file-row>a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}.mosaic-grid{padding-bottom:88px}}
@media(max-width:520px){.shell{width:min(100% - 32px,1180px)}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:12px}.mosaic-group a{padding:9px 4px}.mosaic-group span{font-size:12px}.theme-item{grid-template-columns:12px 1fr}.theme-item>a{grid-column:2}.number-item{grid-template-columns:1fr}.number-item .num{font-size:34px}.footer-grid{grid-template-columns:1fr 1fr}.page-head h1,.hero-copy h1{font-size:28px}.section-head{align-items:flex-start;flex-direction:column}.button-row .btn{flex:1 1 180px}}