:root{
--bg:#f3faf6;--surface:#ffffff;--ink:#0f2a1e;--muted:#4f6b5d;--faint:#7f9c8d;
--primary:#0e9f6e;--primary-2:#10b981;--accent:#7ce0b3;
--dark:#0a1410;--dark-2:#10231b;--line:#e0efe7;
--ok:#12b76a;--warn:#ffb020;--bad:#ff5f57;
--radius:4px;--shadow:0 8px 30px rgba(10,20,16,.08);
--font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
--mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.75}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:8px 16px;z-index:99}
.skip:focus{left:0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,20,16,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px}
.brand:hover{text-decoration:none}
.brand img{width:30px;height:30px;border-radius:10px}
.brand small{display:block;font-size:11px;color:#9fd6bc;font-weight:400;line-height:1.2}
.nav-links{display:flex;gap:4px;margin-left:6px}
.nav-links a{color:#cfe8da;padding:8px 14px;border-radius:12px;font-size:15px}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:12px;padding:12px 26px;font-size:15px;transition:transform .2s,box-shadow .2s;border:1px solid transparent;line-height:1.4}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 18px rgba(14,159,110,.35)}
.btn-accent{background:linear-gradient(135deg,var(--primary-2),var(--accent));color:#093d2a}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-line{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-line:hover{background:rgba(14,159,110,.06)}
.btn-dark{background:var(--dark);color:#fff}
.btn-sm{padding:8px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.hero{background:radial-gradient(900px 420px at 85% 0%,rgba(16,185,129,.22),transparent 60%),linear-gradient(150deg,var(--dark),var(--dark-2));color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;padding:66px 0 76px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(124,224,179,.12);border:1px solid rgba(124,224,179,.35);color:#a9e8cd;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:40px;font-weight:800;margin-bottom:14px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--primary-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:#c2e5d4;font-size:17px;max-width:540px;margin-bottom:22px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{color:#dff0e6;font-size:14px;display:flex;gap:8px;align-items:center}
.hero-points li::before{content:"✓";color:var(--accent);font-weight:800}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats b{display:block;font-size:22px;color:#fff;font-family:var(--mono)}
.hero-stats span{font-size:12px;color:#96c4ae}
.mock-wrap{position:relative}
.mock-wrap::before{content:"";position:absolute;inset:-8% -6%;background:radial-gradient(closest-side,rgba(16,185,129,.35),transparent 70%);z-index:0}
.mock-wrap img{position:relative;z-index:1;border-radius:10px;box-shadow:0 30px 80px rgba(5,25,15,.55)}
.section{padding:76px 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin:0 auto 42px;text-align:center}
.sec-head h2{font-size:32px;margin:10px 0 12px}
.sec-head p{color:var(--muted)}
.eyebrow{color:var(--primary);font-weight:700;letter-spacing:2px;font-size:13px;text-transform:uppercase}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.ico{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:16px}
.notice-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
.notice-item{display:flex;gap:16px;align-items:center;padding:15px 22px;border-bottom:1px solid var(--line);font-size:15px}
.notice-item:last-child{border-bottom:none}
.tag{flex:0 0 auto;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;color:#fff}
.tag.t-warn{background:var(--warn)}
.tag.t-ver{background:var(--primary)}
.tag.t-act{background:var(--accent);color:#0b4f36}
.notice-date{color:var(--faint);font-size:13px;flex:0 0 auto}
.table-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.speed-table{width:100%;border-collapse:collapse;font-size:15px}
.speed-table th{background:var(--dark);color:#d5ebdf;padding:14px 18px;text-align:left;font-weight:600}
.speed-table td{padding:14px 18px;border-bottom:1px solid var(--line)}
.speed-table tr:last-child td{border-bottom:none}
.speed-table .num{font-family:var(--mono);color:var(--primary);font-weight:700}
.bar-track{background:var(--line);height:8px;border-radius:4px;overflow:hidden;min-width:120px}
.bar{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.note-src{font-size:12px;color:var(--faint);margin-top:12px}
.cmp-table{width:100%;border-collapse:collapse;background:var(--surface);font-size:15px;box-shadow:var(--shadow)}
.cmp-table th,.cmp-table td{padding:14px 16px;border:1px solid var(--line);text-align:center}
.cmp-table th{background:var(--dark);color:#e3f2ea;font-weight:600}
.cmp-table td:first-child{text-align:left;font-weight:600;background:#f7fcf9}
.cmp-table .hl{background:linear-gradient(135deg,rgba(14,159,110,.10),rgba(124,224,179,.10))}
.yes{color:var(--ok);font-weight:700}
.no{color:var(--bad)}
.mid{color:var(--warn)}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.dl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
.dl-card .os{width:56px;height:56px;margin:0 auto 6px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}
.dl-card h3{font-size:17px}
.dl-card .ver{color:var(--faint);font-size:12px}
.dl-card .btn{margin-top:6px}
.scene-item{display:flex;gap:14px;align-items:flex-start}
.scene-item .n{flex:0 0 34px;height:34px;border-radius:50%;background:var(--dark);color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.scene-item h3{font-size:16px;margin-bottom:4px}
.scene-item p{font-size:14px;color:var(--muted)}
details.faq{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin-bottom:14px;box-shadow:var(--shadow)}
summary{padding:18px 22px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;color:var(--primary);flex:0 0 auto}
details[open] summary::after{content:"−"}
.faq-body{padding:4px 22px 22px}
.steps{list-style:none}
.steps li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:#2d5c46}
.steps li:last-child{border-bottom:none}
.step-n{flex:0 0 26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:700}
.review{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review .stars{color:#ffb020;letter-spacing:2px;font-size:15px}
.review p{color:#2d5c46;margin:10px 0}
.review-meta{display:flex;gap:14px;color:var(--faint);font-size:13px;flex-wrap:wrap}
.news-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.news-tabs a{padding:9px 20px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:14px}
.news-tabs a:hover{color:var(--primary);border-color:var(--primary);text-decoration:none}
.news-group{margin-bottom:34px}
.news-group>h3{font-size:20px;margin-bottom:16px;scroll-margin-top:80px}
.news-card{display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px;align-items:center}
.news-card img{width:220px;height:136px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.news-card h4{font-size:17px;margin-bottom:6px;line-height:1.4}
.news-card h4 a{color:var(--ink)}
.news-card p{color:var(--muted);font-size:14px}
.news-meta{display:flex;gap:16px;color:var(--faint);font-size:13px;margin-top:6px;flex-wrap:wrap}
.cta-band{background:radial-gradient(600px 300px at 20% 0%,rgba(16,185,129,.28),transparent 60%),linear-gradient(135deg,var(--dark),var(--dark-2));border-radius:var(--radius);padding:60px 40px;text-align:center;color:#fff}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band p{color:#c2e5d4;margin-bottom:26px}
.site-footer{background:var(--dark);color:#c4e2d2;padding:58px 0 0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-grid a{display:block;color:#94c4ae;font-size:14px;margin:8px 0}
.footer-grid a:hover{color:#fff}
.footer-about p{font-size:14px;color:#94c4ae;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;font-size:13px;color:#7fae9a;display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
.crumbs{padding:16px 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs .sep{margin:0 8px;color:var(--faint)}
.page-hero{background:radial-gradient(800px 380px at 82% 0%,rgba(16,185,129,.20),transparent 60%),linear-gradient(150deg,var(--dark),var(--dark-2));color:#fff;padding:58px 0}
.page-hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.page-hero h1{font-size:32px;margin-bottom:12px}
.page-hero .sub{color:#c2e5d4;font-size:16px;max-width:620px}
.page-hero .mock-mini{width:280px;border-radius:10px;box-shadow:0 24px 60px rgba(5,25,15,.5)}
.article-grid{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start;padding:44px 0 64px}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow)}
.article-body h2{font-size:22px;margin:36px 0 14px;padding-left:12px;border-left:4px solid var(--primary);scroll-margin-top:80px}
.article-body h3{font-size:17px;margin:20px 0 10px}
.article-body p{margin:14px 0;color:#123528;font-size:16px}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12px;color:var(--faint);margin-top:8px}
.article-body img{border-radius:10px;border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th{background:#edf8f2;color:var(--ink);padding:11px 13px;border:1px solid var(--line);text-align:left}
.article-body td{padding:11px 13px;border:1px solid var(--line);color:#2d5c46}
.toc{background:#f5fbf7;border:1px solid var(--line);border-radius:var(--radius);padding:18px 24px;margin:22px 0}
.toc h2{font-size:16px;margin:0 0 8px;padding:0;border:none}
.toc ol{margin:0 0 0 20px}
.toc a{color:var(--ink);font-size:15px;line-height:2}
.casebox{background:linear-gradient(135deg,rgba(124,224,179,.12),rgba(14,159,110,.08));border:1px solid var(--line);border-radius:var(--radius);padding:20px 26px;margin:22px 0}
.casebox h3{color:var(--primary);margin-bottom:8px}
.casebox p{color:#2d5c46;font-size:15px;margin:8px 0}
.comments{margin-top:40px;border-top:2px solid var(--line);padding-top:20px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.avatar{flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.comment .stars{color:#ffb020;font-size:13px}
.comment p{font-size:14px;color:#2d5c46;margin:6px 0}
.side-widget{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px;box-shadow:var(--shadow)}
.side-widget h3{font-size:17px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.side-widget ol{margin-left:18px}
.side-widget li{margin:9px 0;font-size:14px;line-height:1.5}
.side-widget li a{color:var(--ink)}
.side-widget .cat{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:34px 0}
.pn{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:14px 20px;font-size:14px}
.pn small{display:block;color:var(--faint);margin-bottom:4px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.rel-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.rel-card img{height:110px;width:100%;object-fit:cover;border-radius:8px;margin-bottom:10px}
.rel-card a{color:var(--ink);font-size:14px;font-weight:600;line-height:1.5}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sitemap-cols h2{font-size:19px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-cols ul{list-style:none}
.sitemap-cols li{margin:9px 0}
.sitemap-cols li a{color:var(--ink);font-size:15px}
.nf{text-align:center;padding:100px 0}
.nf h1{font-size:90px;color:var(--primary);line-height:1;margin-bottom:10px}
.nf p{color:var(--muted);margin-bottom:28px}
.art-meta{display:flex;flex-wrap:wrap;gap:20px;color:#9fd6bc;font-size:14px;margin-top:14px}
.art-meta a{color:#a9e8cd}
@media(max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr)}.dl-grid{grid-template-columns:repeat(3,1fr)}.article-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.hero-grid{grid-template-columns:1fr}.mock-wrap{max-width:520px;margin:0 auto}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-links{display:none}.hero h1{font-size:30px}.grid-3,.grid-2{grid-template-columns:1fr}.dl-grid{grid-template-columns:repeat(2,1fr)}.news-card{flex-direction:column}.news-card img{width:100%;height:160px}.page-hero .wrap{grid-template-columns:1fr}.page-hero .mock-mini{width:200px}.prev-next{grid-template-columns:1fr}.sitemap-cols{grid-template-columns:1fr}.hero-stats{grid-template-columns:repeat(2,1fr)}}