:root{--brand:#0f8a7a;--brand2:#12b3a0;--brand3:#0b6f92;--accent:#e8930c;--ink:#0f2231;--ink2:#1b3a4b;--muted:#5a7286;--bg:#f5f8fa;--card:#ffffff;--line:#e3ebf0;--shadow:0 2px 10px rgba(15,34,49,.06);--shadow2:0 14px 34px rgba(15,34,49,.13);--radius:14px;--max:1180px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand3)}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700;letter-spacing:-.2px}
h1{font-size:2.35rem}h2{font-size:1.72rem}h3{font-size:1.14rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
:focus-visible{outline:2px solid var(--brand2);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
.ico{display:inline-block;vertical-align:-2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:1rem;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;min-height:46px}
.btn-solid{background:linear-gradient(120deg,var(--brand2),var(--brand) 55%,var(--brand3));color:#fff;box-shadow:0 8px 20px rgba(15,138,122,.28)}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,138,122,.36)}
.btn-line{border-color:rgba(15,34,49,.18);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:.9rem;min-height:38px}
.site-head{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid transparent;transition:background .25s,border-color .25s,box-shadow .25s}
.site-head.is-stuck{background:rgba(9,28,40,.94);border-bottom-color:rgba(255,255,255,.12);box-shadow:0 6px 22px rgba(0,0,0,.2)}
.site-head.is-stuck .brand-name{color:#fff}
.site-head.is-stuck .brand-sub{color:rgba(255,255,255,.62)}
.site-head.is-stuck .menu>li>a{color:rgba(255,255,255,.9)}
.site-head.is-stuck .menu>li>a:hover,.site-head.is-stuck .nav-open-label:hover{color:#fff}
.site-head.is-stuck .burger span{background:#fff}
.nav-bar{position:relative;z-index:2;display:flex;align-items:center;gap:18px;height:68px}
.nav-blind{flex:1 1 auto;min-width:0}
.nav-cta{margin-left:auto}
.brand{position:relative;z-index:2;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:36px;height:36px;border-radius:9px}
.brand-name{font-weight:800;font-size:1.06rem;color:var(--ink);line-height:1.2;transition:color .25s}
.brand-sub{display:block;font-size:.68rem;color:var(--muted);font-weight:500;letter-spacing:.4px;transition:color .25s}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1 1 auto}
.menu>li{position:relative}
.menu>li>a,.nav-open-label{position:relative;z-index:2;display:flex;align-items:center;gap:5px;padding:10px 13px;border-radius:8px;color:var(--ink2);font-weight:600;font-size:.95rem;cursor:pointer;transition:color .2s,background .2s}
.nav-open-label{-webkit-user-select:none;user-select:none}
.menu>li>a:hover,.nav-open-label:hover{color:var(--brand);background:rgba(15,138,122,.07)}
.caret{font-size:.62rem;transition:transform .25s;display:inline-block}
.drop-check:checked+.nav-open-label{color:var(--brand);background:rgba(15,138,122,.08)}
.drop-check:checked+.nav-open-label .caret{transform:rotate(180deg)}
.drop-panel{position:absolute;z-index:3;top:calc(100% + 8px);left:0;min-width:214px;background:#fff;border-radius:12px;box-shadow:var(--shadow2);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s;border:1px solid var(--line)}
.drop-check:checked~.drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-check,.drop-close{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0);pointer-events:none}
.drop-check:focus-visible+.nav-open-label{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.drop-shade{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;cursor:default}
.drop-check:checked~.drop-shade{display:block}
.drop-panel a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink2);font-size:.92rem;font-weight:500}
.drop-panel a:hover{background:rgba(15,138,122,.09);color:var(--brand)}
.drop-panel a span{display:block;font-size:.74rem;color:var(--muted);font-weight:400}
.nav-cta{position:relative;z-index:2;flex:0 0 auto}
.burger{display:none;flex:0 0 auto;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:11px;margin-left:auto}
.burger span{display:block;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nav-mask,.drawer-head{display:none}
.menu>li>a.is-active,.menu>li>a.is-active:hover{color:var(--brand);background:rgba(15,138,122,.1)}
.menu>li.is-active>.nav-open-label{color:var(--brand)}
.menu>li.is-active>.nav-open-label:hover{color:var(--brand);background:rgba(15,138,122,.07)}
.site-head.is-stuck .menu>li.is-active>a,.site-head.is-stuck .menu>li.is-active>a:hover{color:#fff;background:rgba(255,255,255,.13)}
.site-head.is-stuck .menu>li.is-active>.nav-open-label{color:#fff}
.site-head.is-stuck .drop-check:checked+.nav-open-label{color:#fff;background:rgba(255,255,255,.12)}
.menu>li:last-child .drop-panel{left:auto;right:0}
.drop-panel a.is-active{color:var(--brand);background:rgba(15,138,122,.09)}
.drop-panel a.is-active::after{content:"当前";font-size:.68rem;font-weight:700;color:var(--brand);margin-left:6px}
.menu a:focus-visible,.menu label:focus-visible,.brand:focus-visible,.burger:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.hero{position:relative;padding:132px 0 74px;background:radial-gradient(1100px 480px at 78% -8%,rgba(18,179,160,.22),transparent 62%),radial-gradient(900px 420px at 8% 8%,rgba(11,111,146,.16),transparent 60%),linear-gradient(180deg,#f2f8f8 0%,#f5f8fa 100%);overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(15,138,122,.25),transparent)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(15,138,122,.24);color:var(--brand);font-weight:700;font-size:.8rem;padding:7px 14px;border-radius:999px;margin-bottom:18px;box-shadow:var(--shadow)}
.hero h1{font-size:2.7rem;margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--brand),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.06rem;color:var(--ink2);max-width:33em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-nums{display:flex;flex-wrap:wrap;gap:14px 34px;padding-top:22px;border-top:1px dashed rgba(15,34,49,.16)}
.hero-nums div{display:flex;flex-direction:column}
.hero-nums b{font-size:1.42rem;color:var(--ink);letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.hero-nums b i{font-style:normal;font-size:.86rem;color:var(--brand);margin-left:2px;font-weight:700}
.hero-nums span{font-size:.8rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:auto;border-radius:18px;border:1px solid rgba(15,34,49,.08);box-shadow:0 22px 60px rgba(11,38,54,.22);background:#0d2937}
section{padding:74px 0}
.sec-head{max-width:720px;margin:0 auto 42px;text-align:center}
.sec-head .kicker{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:1.6px;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.sec-head p{color:var(--muted);margin:0}
.sec-alt{background:#fff}
.grid{display:grid;gap:22px}
.g6{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow2);border-color:rgba(15,138,122,.28)}
.card h3{margin-bottom:8px;font-size:1.06rem}
.card p{color:var(--muted);font-size:.92rem;margin:0}
.card .em{font-size:1.6rem;line-height:1;display:block;margin-bottom:12px}
.card .tag{display:inline-block;font-size:.7rem;font-weight:700;color:var(--brand);background:rgba(15,138,122,.1);border-radius:6px;padding:2px 8px;margin-top:12px;letter-spacing:.3px}
.stat-strip{background:linear-gradient(100deg,#0d2937,#124152 55%,#0d3a46);color:#fff;padding:34px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-grid b{display:block;font-size:1.85rem;letter-spacing:-.8px;font-variant-numeric:tabular-nums}
.stat-grid b i{font-style:normal;font-size:.82rem;color:#7fe6d1;font-weight:700;margin-left:2px}
.stat-grid span{font-size:.84rem;color:rgba(255,255,255,.7)}
.dim{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dim-card{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand2);border-radius:12px;padding:20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.dim-card h3{font-size:.98rem;margin-bottom:6px}
.dim-card p{font-size:.86rem;color:var(--muted);margin:0}
.dim-card b{display:block;font-size:1.3rem;color:var(--brand3);margin-bottom:2px;font-variant-numeric:tabular-nums}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 24px;display:flex;flex-direction:column;box-shadow:var(--shadow);position:relative;transition:transform .22s,box-shadow .22s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.plan.hot{border:2px solid var(--brand2);box-shadow:0 18px 44px rgba(15,138,122,.18);transform:translateY(-6px)}
.plan.hot:hover{transform:translateY(-9px)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(100deg,var(--brand2),var(--brand));color:#fff;font-size:.74rem;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:.5px;white-space:nowrap}
.plan h3{font-size:1.1rem;margin-bottom:2px}
.plan .price{font-size:2.05rem;font-weight:800;letter-spacing:-1px;margin:6px 0 2px}
.plan .price small{font-size:.82rem;color:var(--muted);font-weight:600;letter-spacing:0}
.plan .who{font-size:.82rem;color:var(--muted);margin-bottom:16px}
.plan ul{list-style:none;padding:0;margin:0 0 22px;font-size:.9rem}
.plan li{padding:7px 0 7px 24px;position:relative;color:var(--ink2);border-bottom:1px dashed rgba(15,34,49,.07)}
.plan li::before{content:"✓";position:absolute;left:0;top:7px;color:var(--brand);font-weight:800}
.plan .btn{margin-top:auto;width:100%}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;box-shadow:var(--shadow)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:22px;width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand2),var(--brand3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;box-shadow:0 6px 14px rgba(15,138,122,.28)}
.step h3{margin-top:8px;font-size:1rem}
.step p{margin:0;font-size:.9rem;color:var(--muted)}
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:17px 50px 17px 20px;font-weight:700;font-size:.98rem;position:relative;min-height:52px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--brand);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--brand);background:rgba(15,138,122,.04)}
.faq .a{padding:0 20px 18px;color:var(--ink2);font-size:.92rem}
.faq .a ol{margin:0;padding-left:1.15em}
.faq .a li{margin-bottom:5px}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.stars{color:var(--accent);letter-spacing:2px;font-size:.86rem;margin-bottom:8px}
.quote p{font-size:.92rem;color:var(--ink2);margin-bottom:14px}
.who-row{display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(140deg,var(--brand2),var(--brand3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;flex:0 0 auto}
.who-row b{display:block;font-size:.88rem;line-height:1.3}
.who-row span{font-size:.76rem;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.news-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.news-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-card .meta{font-size:.74rem;color:var(--muted);display:flex;gap:10px;margin-bottom:7px;letter-spacing:.2px}
.news-card h3{font-size:.98rem;margin-bottom:8px;line-height:1.5}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:.85rem;color:var(--muted);margin:0 0 12px;flex:1 1 auto}
.more{font-size:.84rem;font-weight:700;color:var(--brand)}
.center{text-align:center;margin-top:38px}
.cta{background:radial-gradient(700px 300px at 20% 0%,rgba(18,179,160,.28),transparent 60%),linear-gradient(100deg,#0c2634,#12414f 60%,#0d3340);color:#fff;border-radius:20px;padding:52px 40px;text-align:center;box-shadow:0 24px 60px rgba(12,38,52,.28)}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.78);max-width:560px;margin:0 auto 26px}
.cta .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta .btn-line:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
footer{background:#0b1f2b;color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:74px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand .brand-name{color:#fff}
.foot-brand .brand-sub{color:rgba(255,255,255,.55)}
.foot-brand p{font-size:.86rem;color:rgba(255,255,255,.62);margin:14px 0 0;max-width:28em}
footer h4{color:#fff;font-size:.92rem;margin-bottom:14px;letter-spacing:.3px}
footer ul{list-style:none;padding:0;margin:0;font-size:.86rem}
footer li{margin-bottom:9px}
footer a{color:rgba(255,255,255,.68)}
footer a:hover{color:#7fe6d1}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;font-size:.8rem;color:rgba(255,255,255,.5)}
.foot-bottom .links{display:flex;gap:16px;flex-wrap:wrap}
#toTop{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow2);font-size:1.05rem;z-index:50;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0)}
.article-hero{background:linear-gradient(170deg,#f0f8f7,#f6f8fa 70%);padding:116px 0 34px;border-bottom:1px solid var(--line)}
.crumb{font-size:.8rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#b9c7d1}
.article-hero h1{font-size:2.05rem;max-width:900px;margin-bottom:14px}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.83rem;color:var(--muted)}
.art-meta b{color:var(--ink2);font-weight:600}
.art-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pill{font-size:.74rem;font-weight:600;color:var(--brand);background:rgba(15,138,122,.1);border-radius:999px;padding:4px 12px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:38px;padding:44px 0 10px;align-items:start}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 34px 30px;box-shadow:var(--shadow);font-size:1.02rem}
.prose p{color:#243c4c;margin-bottom:1.15em}
.prose .lead-p{font-size:1.06rem;color:var(--ink2);border-left:3px solid var(--brand2);padding-left:16px;background:linear-gradient(90deg,rgba(18,179,160,.05),transparent);padding-top:10px;padding-bottom:10px;border-radius:0 8px 8px 0}
.prose h2{font-size:1.42rem;margin:1.7em 0 .7em;padding-left:13px;position:relative}
.prose h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--brand2),var(--brand3))}
.prose figure{margin:0 0 1.4em}
.prose figure img{border-radius:10px;width:100%;height:auto;border:1px solid var(--line)}
.prose figcaption{font-size:.78rem;color:var(--muted);margin-top:8px;text-align:center}
.prose blockquote{margin:1.4em 0;padding:16px 20px;background:#f2f9f8;border-left:3px solid var(--brand2);border-radius:0 10px 10px 0;color:var(--ink2);font-size:.96rem}
.prose blockquote cite{display:block;font-style:normal;font-size:.8rem;color:var(--muted);margin-top:6px}
.prose ul li{margin-bottom:6px;color:#243c4c}
.dl-table{width:100%;border-collapse:collapse;font-size:.88rem;margin:0 0 1.4em;font-variant-numeric:tabular-nums}
.dl-table th,.dl-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.dl-table th{background:#f2f7f8;color:var(--ink2);font-weight:700}
.art-cta{margin:30px 0 0;padding:24px;border-radius:12px;background:linear-gradient(100deg,#eef8f7,#f7fbfa);border:1px dashed rgba(15,138,122,.35);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.art-cta p{margin:0;font-size:.9rem;color:var(--ink2);font-weight:600}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.pager a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:.88rem;color:var(--ink2);box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.pager a:hover{border-color:var(--brand2);transform:translateY(-2px);color:var(--brand)}
.pager span{display:block;font-size:.74rem;color:var(--muted);margin-bottom:4px}
.pager .nxt{text-align:right}
.comments{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 10px;box-shadow:var(--shadow)}
.comments h2{font-size:1.16rem;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.comments h2 span{font-size:.78rem;color:var(--muted);font-weight:500}
.comment{display:flex;gap:12px;padding:14px 0;border-top:1px dashed var(--line)}
.comment:first-of-type{border-top:0}
.comment .avatar{width:36px;height:36px;font-size:.82rem}
.comment .c-body{flex:1 1 auto}
.comment .c-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:3px}
.comment .c-head b{font-size:.88rem}
.comment .c-head time{font-size:.74rem;color:var(--muted)}
.comment p{font-size:.88rem;color:var(--ink2);margin:0}
.side{position:sticky;top:86px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.side-card h3{font-size:.95rem;margin-bottom:14px;padding-left:11px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--brand2),var(--brand3))}
.toc{list-style:none;margin:0;padding:0 0 0 16px;border-left:1px solid var(--line);position:relative}
.toc li{position:relative;margin:0 0 12px;font-size:.86rem;line-height:1.5}
.toc li::before{content:"";position:absolute;left:-21px;top:.42em;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid #cfdde4}
.toc a{color:var(--muted);display:block}
.toc a:hover{color:var(--brand)}
.toc li.active::before{border-color:var(--brand);background:var(--brand)}
.toc li.active a{color:var(--brand);font-weight:700}
.hot{list-style:none;margin:0;padding:0;counter-reset:h}
.hot li{counter-increment:h;display:flex;gap:10px;align-items:flex-start;margin-bottom:11px;font-size:.86rem;line-height:1.5}
.hot li::before{content:counter(h);flex:0 0 20px;width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;color:#fff;background:#b9c7d1;font-variant-numeric:tabular-nums}
.hot li:nth-child(1)::before{background:linear-gradient(140deg,var(--brand2),var(--brand));box-shadow:0 3px 8px rgba(15,138,122,.3)}
.hot li:nth-child(2)::before{background:linear-gradient(140deg,#f5b25c,#e8930c)}
.hot li:nth-child(3)::before{background:linear-gradient(140deg,#e6cf7a,#c9a227)}
.hot li:hover::before{transform:scale(1.12)}
.hot a{color:var(--ink2)}
.hot a:hover{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:.78rem;border:1px solid var(--line);border-radius:999px;padding:4px 11px;color:var(--muted);background:#fbfdfd}
.tags a:hover{color:var(--brand);border-color:var(--brand2);background:rgba(18,179,160,.07)}
.page-head{background:linear-gradient(170deg,#eff8f6,#f6f8fa 72%);padding:120px 0 44px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:2.2rem;margin-bottom:10px}
.page-head p{color:var(--muted);max-width:760px;margin:0}
.page-body{padding:44px 0 0}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.filters a{font-size:.84rem;font-weight:600;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink2)}
.filters a.on{background:linear-gradient(120deg,var(--brand2),var(--brand));color:#fff;border-color:transparent}
.filters a:hover{color:var(--brand);border-color:var(--brand2)}
.filters a.on:hover{color:#fff}
.legal{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.legal h2{font-size:1.3rem;margin-top:1.6em}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:#2b4453;font-size:.96rem}
.legal .updated{font-size:.8rem;color:var(--muted);margin-bottom:20px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow)}
.map-card h3{font-size:.98rem;display:flex;align-items:center;gap:8px}
.map-card ul{list-style:none;margin:0;padding:0;font-size:.87rem}
.map-card li{padding:5px 0;border-bottom:1px dashed rgba(15,34,49,.07)}
.map-card li:last-child{border-bottom:0}
.map-card a{color:var(--ink2)}
.map-card a:hover{color:var(--brand)}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:flex-start}
.sys-item .em{font-size:1.3rem;line-height:1.2}
.sys-item b{display:block;font-size:.9rem;margin-bottom:2px}
.sys-item span{font-size:.84rem;color:var(--muted)}
.versions{display:grid;gap:18px}
.version{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.3fr 1fr auto;gap:20px;align-items:center;transition:border-color .2s,box-shadow .2s}
.version:hover{border-color:rgba(15,138,122,.3);box-shadow:var(--shadow2)}
.version h3{font-size:1.05rem;margin-bottom:4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.version .vtag{font-size:.72rem;font-weight:800;background:rgba(15,138,122,.12);color:var(--brand);padding:2px 9px;border-radius:999px}
.version ul{list-style:none;margin:0;padding:0;font-size:.86rem;color:var(--muted);columns:2;column-gap:20px}
.version ul li{padding:3px 0 3px 18px;position:relative;break-inside:avoid}
.version ul li::before{content:"·";position:absolute;left:4px;color:var(--brand);font-weight:800}
.version .size{font-size:.8rem;color:var(--muted)}
.note{background:#fff8ea;border:1px solid #f3dcae;border-radius:12px;padding:16px 20px;font-size:.88rem;color:#7a5a17}
.muted-note{font-size:.8rem;color:var(--muted)}
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
html:not(.js) .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}.hero{scroll-behavior:auto}}
@media (max-width:992px){
.hero{padding:110px 0 56px}
.hero-grid{grid-template-columns:1fr;gap:34px}
.hero h1{font-size:2.2rem}
.hero-visual{max-width:620px;margin:0 auto}
section{padding:56px 0}
.g6,.g4,.g3,.quotes,.news-grid,.plans,.steps,.dim,.map-grid,.sys-grid{grid-template-columns:repeat(2,1fr)}
.stat-grid{grid-template-columns:repeat(2,1fr);gap:26px}
.article-wrap{grid-template-columns:1fr;gap:26px}
.side{position:static}
.plan.hot{transform:none}
.plan.hot:hover{transform:translateY(-4px)}
.version{grid-template-columns:1fr auto}
.version ul{columns:1;grid-column:1/-1}
.burger{display:block;position:relative;z-index:5}
.nav-mask{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:4;background:rgba(9,28,40,.5);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;cursor:pointer}
.nav-toggle:checked~.nav-mask{opacity:1;visibility:visible}
.nav-blind{position:fixed;top:0;right:0;bottom:0;left:auto;width:min(86vw,360px);background:#fff;box-shadow:-20px 0 48px rgba(9,28,40,.24);transform:translateX(101%);visibility:hidden;transition:transform .28s ease,visibility .28s;z-index:6;overflow-y:auto;overflow-x:hidden;padding:0 0 18px}
.nav-toggle:checked~.nav-blind{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 14px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.drawer-head span{font-weight:800;font-size:1rem}
.drawer-close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;font-size:1.4rem;line-height:1;color:var(--ink2);cursor:pointer}
.drawer-close:hover{background:rgba(15,138,122,.08);color:var(--brand)}
.nav-toggle:focus-visible~.burger{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.menu{flex-direction:column;align-items:stretch;gap:0;padding:8px 14px 16px}
.menu>li{border-bottom:1px solid rgba(15,34,49,.07)}
.menu>li>a,.nav-open-label{padding:13px 4px;font-size:1rem;justify-content:space-between}
.drop-panel{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 10px;display:none;min-width:0}
.drop-check:checked~.drop-panel{display:block}
.drop-shade{display:none!important}
.nav-cta{display:none}
.nav-toggle:checked~.burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle:checked~.burger span:nth-child(2){opacity:0}
.nav-toggle:checked~.burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-head.is-stuck .menu>li>a,.site-head.is-stuck .nav-open-label{color:var(--ink2)}
.site-head.is-stuck .drop-check:checked+.nav-open-label{color:var(--brand);background:rgba(15,138,122,.08)}
.site-head.is-stuck .brand-name{color:var(--ink)}
.site-head.is-stuck .brand-sub{color:var(--muted)}
.menu>li>a.is-active,.menu>li>a.is-active:hover,.site-head.is-stuck .menu>li>a.is-active{color:var(--brand);background:rgba(15,138,122,.1)}
.menu>li.is-active>.nav-open-label{color:var(--brand);font-weight:700}
.site-head.is-stuck .menu>li.is-active>.nav-open-label{color:var(--brand)}
}
@media (max-width:768px){
h1{font-size:1.85rem}.hero h1{font-size:1.78rem}
.hero-actions .btn{flex:1 1 46%}
.g6,.g4,.g3,.quotes,.news-grid,.plans,.steps,.dim,.map-grid,.sys-grid{grid-template-columns:1fr}
.article-hero h1{font-size:1.55rem}
.prose{padding:22px 18px}
.article-hero{padding:104px 0 26px}
.page-head{padding:104px 0 32px}
.cta{padding:38px 22px}
.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
.versions .version{grid-template-columns:1fr}
.faq summary{font-size:.94rem;padding-right:44px}
.pager{grid-template-columns:1fr}
.pager .nxt{text-align:left}
.btn{padding:12px 22px}
#toTop{right:14px;bottom:18px}
}
@media (max-width:480px){
.wrap{padding:0 16px}
.hero{padding:96px 0 44px}
.hero h1{font-size:1.6rem}
.lead{font-size:.98rem}
.hero-nums{gap:12px 20px}
.hero-nums b{font-size:1.2rem}
.stat-grid{grid-template-columns:1fr 1fr}
.stat-grid b{font-size:1.45rem}
.section{padding:44px 0}
section{padding:44px 0}
.sec-head h2{font-size:1.35rem}
.foot-grid{grid-template-columns:1fr}
.foot-bottom{justify-content:flex-start}
.card,.quote,.step,.dim-card{padding:20px 18px}
.comments{padding:20px 16px 6px}
}