:root{--navy:#071b30;--navy2:#102e4d;--blue:#2379c9;--cyan:#25b5c7;--green:#20885c;--yellow:#f0bd3d;--red:#d94750;--bg:#f2f6f9;--paper:#fff;--text:#192734;--muted:#647381;--line:#dbe5ec;--radius:9px;--max:1200px;--shadow:0 8px 24px rgba(15,39,61,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.72;overflow-x:hidden}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}button{font:inherit}.container{width:min(var(--max),calc(100% - 36px));margin:auto}.skip{position:fixed;top:-80px;left:10px;background:var(--yellow);padding:8px 14px;z-index:1000}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:100;background:rgba(7,27,48,.97);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px)}.header-inner{height:70px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:154px}.brand img{width:44px}.brand span{display:flex;flex-direction:column;line-height:1.18}.brand strong{font-size:18px}.brand small{font-size:10px;color:#9eb4c6;margin-top:4px}.main-nav{display:flex;gap:24px;margin-left:auto}.main-nav a{color:#ccdae5;font-size:14px;padding:24px 0 21px;border-bottom:3px solid transparent}.main-nav a:hover,.main-nav a.active{color:#fff;border-color:var(--yellow)}.nav-toggle{display:none;margin-left:auto;border:0;background:transparent;width:42px;height:42px;padding:9px}.nav-toggle span{display:block;height:2px;background:#fff;margin:5px}.header-btn{background:var(--yellow);color:#162332;font-weight:800;padding:9px 15px;border-radius:6px;white-space:nowrap;font-size:13px}.hero{background:radial-gradient(circle at 80% 20%,rgba(37,181,199,.18),transparent 32%),linear-gradient(140deg,#071b30,#103a5d);color:#fff;padding:66px 0 0;position:relative}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:38px 38px}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}.eyebrow,.kicker{display:inline-block;color:var(--yellow);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:8px}.hero h1{font-size:43px;line-height:1.25;margin:6px 0 18px;max-width:670px}.hero-lead{font-size:17px;color:#ccdae5;max-width:670px}.actions,.link-row{display:flex;gap:12px;flex-wrap:wrap}.actions{margin:27px 0 20px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:9px 19px;border-radius:6px;font-weight:800;border:1px solid transparent}.btn-primary{background:var(--yellow);color:#12253a}.btn-ghost{border-color:#7292aa;color:#fff}.btn-blue{background:var(--blue);color:#fff}.btn-muted{background:#dbe5ec;color:#475d6f}.status-line{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#aebfd0}.hero-note{margin-top:18px;padding:12px 15px;border-left:3px solid var(--cyan);background:rgba(255,255,255,.06);font-size:13px;color:#d5e1e9}.hero-art{margin:0}.quick-nav{position:relative;display:grid;grid-template-columns:repeat(6,1fr);margin-top:42px;background:#0b2844;border:1px solid #294b67;transform:translateY(22px);box-shadow:0 14px 26px rgba(0,0,0,.18)}.quick-nav a{padding:14px;text-align:center;color:#d7e5ed;border-right:1px solid #294b67;font-size:14px}.quick-nav a:hover{background:#133b5e;color:var(--yellow)}.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0 0}.breadcrumb a{color:var(--blue)}.section{padding:76px 0}.section.slim{padding:54px 0}.surface{background:#e8eff4}.dark{background:var(--navy);color:#e6eef3}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-head h2{font-size:30px;line-height:1.3;margin:0}.section-head>p{max-width:520px;color:var(--muted);margin:0}.dark .section-head>p{color:#aebfd0}.dark .section-head h2{color:#fff}.notice{padding:14px 17px;background:#e7f2f5;border-left:4px solid var(--cyan);font-size:14px}.notice.warn{background:#fff0e8;border-color:var(--red)}.dark .notice{background:#102f4d;color:#cddde7}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.info-strip article{background:var(--paper);border:1px solid var(--line);padding:17px}.info-strip b{display:block;color:var(--blue);font-size:20px}.info-strip span{font-size:13px;color:var(--muted)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--paper);border:1px solid var(--line);box-shadow:0 3px 12px rgba(22,55,78,.04);overflow:hidden}.card img{width:100%;aspect-ratio:360/210;object-fit:cover}.card-body{padding:18px}.card h3{font-size:19px;line-height:1.45;margin:7px 0}.card p{font-size:14px;color:var(--muted);margin:0 0 12px}.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:9px}.tag{display:inline-block;padding:3px 8px;border-radius:4px;background:#e6edf2;color:#4a6072;font-size:11px}.tag.green{background:#dcefe5;color:#226845}.tag.red{background:#f3dfe1;color:#8f2730}.tag.blue{background:#dceaf6;color:#235d8c}.tag.yellow{background:#f8edcc;color:#755813}.card a,.link-row a{color:#1b69a9;font-size:13px;font-weight:800;text-decoration:underline;text-underline-offset:3px}.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line)}table{width:100%;min-width:750px;border-collapse:collapse}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}thead th{background:var(--navy2);color:#fff}tbody th{background:#eef3f6}.status{display:inline-block;padding:3px 8px;border-radius:12px;font-size:11px;font-weight:800}.status.upcoming{background:#d9eff2;color:#176472}.status.done{background:#dbe4ec;color:#304c62}.status.pending{background:#eceff1;color:#67727a}.status.live{background:#f6dadd;color:#9b202c}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.filter{border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:5px;cursor:pointer}.filter:hover,.filter.active{background:var(--navy2);color:#fff;border-color:var(--navy2)}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.split img{width:100%}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.feature-list article{background:#fff;border:1px solid var(--line);padding:16px}.feature-list h3{margin:0 0 5px;font-size:16px}.feature-list p{margin:0;color:var(--muted);font-size:13px}.steps{display:grid;grid-template-columns:1fr 1fr;gap:13px;list-style:none;padding:0}.steps li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);padding:17px}.steps span{display:grid;place-items:center;flex:0 0 42px;height:42px;background:var(--navy2);color:var(--yellow);border-radius:50%;font-weight:800}.steps h3{margin:0 0 4px;font-size:16px}.steps p{margin:0;font-size:13px;color:var(--muted)}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.download-card{background:#fff;border:1px solid var(--line);padding:18px}.download-card img{width:100%;aspect-ratio:360/210;object-fit:cover}.download-card ul{padding-left:20px;color:var(--muted);font-size:14px}.download-card .btn{width:100%}.timeline{max-width:900px;margin:auto;position:relative}.timeline:before{content:"";position:absolute;left:117px;top:0;bottom:0;width:2px;background:#b9d0df}.timeline article{display:grid;grid-template-columns:100px 1fr;gap:32px;margin-bottom:16px}.timeline time{text-align:right;padding-top:18px;font-size:12px;color:var(--muted)}.timeline article>div{position:relative;background:#fff;border:1px solid var(--line);padding:17px 20px}.timeline article>div:before{content:"";position:absolute;left:-40px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:3px solid var(--bg)}.timeline h3{margin:3px 0}.timeline p{margin:0;color:var(--muted);font-size:14px}.timeline strong{color:var(--blue)}.trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.trouble-grid article{background:#fff;border-top:3px solid var(--red);padding:16px}.trouble-grid h3{font-size:16px;margin:0 0 7px}.trouble-grid ol,.trouble-grid ul{font-size:13px;color:var(--muted);padding-left:20px;margin:0}.article-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.long-article{background:#fff;border:1px solid var(--line);padding:25px}.long-article h2,.long-article h3{line-height:1.4}.long-article h2{font-size:24px;margin-top:0}.long-article h3{font-size:17px;color:#124f7e;margin-top:22px}.long-article p{font-size:14px;color:#445563}.article-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:10px}.formation{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:center}.formation img{width:100%}.review-box{background:#eef5f8;border-left:4px solid var(--blue);padding:14px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.faq-grid details{background:#fff;border:1px solid var(--line);padding:0 16px}.faq-grid summary{cursor:pointer;font-weight:800;padding:14px 28px 14px 0;position:relative}.faq-grid summary:after{content:"＋";position:absolute;right:0;color:var(--blue)}.faq-grid details[open] summary:after{content:"－"}.faq-grid p{font-size:14px;color:var(--muted);margin:0;padding-bottom:15px}.company-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:center}.source-list{columns:2;column-gap:40px}.source-list li{break-inside:avoid;margin-bottom:8px}.site-footer{background:#061625;color:#b5c5d1;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:30px}.footer-brand img{width:50px;float:left;margin-right:12px}.footer-brand h2{color:#fff;margin:0}.footer-brand p{clear:both;padding-top:10px}.site-footer h3{color:#fff;font-size:15px;margin:0 0 12px}.site-footer a{display:block;color:#a9bdcb;font-size:13px;margin:7px 0}.site-footer a:hover{color:var(--yellow)}.footer-bottom{border-top:1px solid #263b4d;margin-top:28px;padding-top:18px;font-size:12px;color:#879eaf}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:6px;background:var(--blue);color:#fff;opacity:0;pointer-events:none;transition:.2s;cursor:pointer}.back-top.show{opacity:1;pointer-events:auto}[hidden]{display:none!important}
@media(max-width:1050px){.main-nav{gap:15px}.main-nav a{font-size:13px}.header-btn{display:none}.card-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}}
@media(max-width:900px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#081c30;padding:10px 18px;grid-template-columns:repeat(2,1fr);gap:0;border-bottom:1px solid #284157}.main-nav.open{display:grid}.main-nav a{padding:12px;border-bottom:1px solid #203a50}.hero-grid,.split,.company-grid,.formation{grid-template-columns:1fr}.hero-art{max-width:650px;margin:auto}.quick-nav{grid-template-columns:repeat(3,1fr)}.article-list{grid-template-columns:1fr}.formation img{max-width:460px;margin:auto}.source-list{columns:1}}
@media(max-width:760px){html{scroll-padding-top:68px}.container{width:min(var(--max),calc(100% - 24px))}.header-inner{height:64px}.main-nav{top:64px}.brand small{display:none}.hero{padding-top:42px}.hero h1{font-size:30px}.hero-lead{font-size:15px}.section{padding:56px 0}.section-head{display:block}.section-head h2{font-size:26px}.section-head>p{margin-top:9px}.info-strip,.card-grid,.feature-list,.steps,.download-grid,.trouble-grid,.faq-grid{grid-template-columns:1fr}.timeline:before{left:7px}.timeline article{grid-template-columns:1fr;padding-left:26px;gap:4px}.timeline time{text-align:left;padding:0}.timeline article>div:before{left:-27px}.footer-grid{grid-template-columns:1fr}.quick-nav a:nth-child(n+4){border-top:1px solid #294b67}.actions .btn{flex:1}.source-list{padding-left:20px}}
@media(max-width:430px){.hero h1{font-size:26px}.quick-nav{grid-template-columns:repeat(2,1fr)}.quick-nav a:nth-child(n+3){border-top:1px solid #294b67}.actions .btn{width:100%;flex:auto}}