/* 千帧工场 QIANFRAME · v2 全国站群样式
   设计语言：深色电影感 / 编辑式大字排版 / 酸性青柠 / HUD 数据 / 网格与光晕
   与 v1（浅色 SaaS 卡片 + 蓝紫渐变）完全区分 */
:root{
  --bg:#07090c; --bg2:#0d1016; --panel:#12161e; --panel2:#171c26;
  --line:rgba(255,255,255,.11); --line2:rgba(255,255,255,.2);
  --txt:#f2f5ee; --sub:#a8b0bd; --dim:#6e7887;
  --acid:#ccff4d; --acid-d:#a8dc2c; --violet:#8b5cff; --orange:#ff6a35; --cyan:#3ce0d0;
  --maxw:1280px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.8 var(--font);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.12;font-weight:800;letter-spacing:-.035em;color:#fff}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.mono{font-family:var(--mono);letter-spacing:.04em}
.acid{color:var(--acid)}
.dim{color:var(--dim)}
.small{font-size:.86rem}

/* ---------- 噪点 + 网格背景 ---------- */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  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:52px 52px}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
main,header,footer{position:relative;z-index:1}

/* ---------- 跑马灯 ---------- */
.ticker{background:var(--acid);color:#0a0d08;overflow:hidden;border-bottom:1px solid #000;
  font:600 .76rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.ticker .track{display:flex;width:max-content;animation:slide 34s linear infinite}
.ticker span{padding:11px 30px;white-space:nowrap;display:inline-flex;align-items:center;gap:12px}
.ticker i{width:5px;height:5px;background:#0a0d08;border-radius:50%;display:inline-block}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker .track{animation:none}}

/* ---------- 导航 ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(7,9,12,.86);
  backdrop-filter:blur(16px) saturate(160%);border-bottom:1px solid var(--line)}
header.site .wrap{height:78px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:baseline;gap:10px;font-size:1.6rem;font-weight:900;letter-spacing:-.06em;color:#fff}
.logo b{color:var(--acid)}
.logo em{font:600 .6rem/1 var(--mono);letter-spacing:.24em;color:var(--dim);font-style:normal;text-transform:uppercase}
nav.main{margin-left:auto;display:flex;align-items:center;gap:2px}
nav.main a{padding:9px 13px;font-size:.9rem;color:var(--sub);border-radius:6px;transition:.2s;white-space:nowrap}
nav.main a:hover,nav.main a.on{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{margin-left:14px!important;background:var(--acid);color:#0a0d08!important;font-weight:800;
  padding:11px 20px!important;border-radius:2px}
.nav-cta:hover{background:#fff}
.burger{display:none;margin-left:auto;width:44px;height:40px;background:none;border:1px solid var(--line2);
  border-radius:3px;position:relative;cursor:pointer}
.burger i{position:absolute;left:11px;width:20px;height:2px;background:#fff;transition:.25s}
.burger i:nth-child(1){top:13px}.burger i:nth-child(2){top:19px}.burger i:nth-child(3){top:25px}
body.navopen .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.navopen .burger i:nth-child(2){opacity:0}
body.navopen .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 通用 ---------- */
.sec{padding:104px 0;position:relative;border-bottom:1px solid var(--line)}
.sec.alt{background:var(--bg2)}
.sec.acid{background:var(--acid);color:#0a0d08;border-bottom:none}
.sec.acid h2,.sec.acid h3{color:#0a0d08}
.eyebrow{display:flex;align-items:center;gap:12px;font:600 .72rem/1 var(--mono);letter-spacing:.2em;
  text-transform:uppercase;color:var(--acid);margin-bottom:22px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--acid)}
.sec.acid .eyebrow{color:#0a0d08}.sec.acid .eyebrow::before{background:#0a0d08}
.hd{max-width:860px;margin-bottom:56px}
.hd h2{font-size:clamp(2.1rem,4.4vw,3.7rem);margin-bottom:18px}
.hd p{color:var(--sub);font-size:1.04rem;max-width:680px;margin:0}
.sec.acid .hd p{color:#25300d}
.num{font:700 .78rem/1 var(--mono);color:var(--acid);letter-spacing:.1em}
.btn{display:inline-flex;align-items:center;gap:12px;padding:15px 28px;border-radius:2px;
  font-weight:800;font-size:.95rem;transition:.22s;border:1px solid transparent;cursor:pointer}
.btn-a{background:var(--acid);color:#0a0d08}
.btn-a:hover{background:#fff;transform:translateY(-2px)}
.btn-o{border-color:var(--line2);color:#fff;background:transparent}
.btn-o:hover{border-color:var(--acid);color:var(--acid)}
.btn-dark{background:#0a0d08;color:#fff}
.btn-dark:hover{background:#222}
.btn .arw{font-family:var(--mono);font-weight:400}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border:1px solid var(--line2);
  border-radius:2px;font:600 .74rem/1.4 var(--mono);color:var(--sub);letter-spacing:.04em}
.tag.a{border-color:rgba(204,255,77,.5);color:var(--acid);background:rgba(204,255,77,.07)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.hero{position:relative;padding:96px 0 0;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;top:-260px;right:-160px;width:900px;height:900px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,255,.22),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-300px;left:-200px;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(204,255,77,.10),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(3rem,6.6vw,6.2rem);line-height:1.02;margin:0 0 26px;letter-spacing:-.06em}
.hero h1 .stroke{-webkit-text-stroke:1.5px var(--acid);color:transparent}
.hero .lead{font-size:1.12rem;color:var(--sub);max-width:560px;margin-bottom:32px;line-height:1.85}
.hero .lead strong{color:#fff}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font:600 .78rem/1 var(--mono);color:var(--dim);letter-spacing:.05em}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust i{width:6px;height:6px;border-radius:50%;background:var(--acid);display:inline-block}

/* 监视器 HUD */
.monitor{background:linear-gradient(160deg,#141a24,#0b0f15);border:1px solid var(--line2);
  border-radius:4px;padding:18px;box-shadow:0 40px 90px rgba(0,0,0,.6);position:relative}
.monitor::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--acid),transparent);opacity:.7}
.mon-top{display:flex;justify-content:space-between;align-items:center;font:600 .68rem/1 var(--mono);
  color:var(--dim);letter-spacing:.1em;padding-bottom:14px;border-bottom:1px solid var(--line)}
.rec{color:var(--orange);display:inline-flex;align-items:center;gap:7px}
.rec i{width:7px;height:7px;background:var(--orange);border-radius:50%;display:inline-block;animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.25}}
.mon-screen{height:190px;margin:16px 0;position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 30% 20%,rgba(139,92,255,.35),transparent 60%),
             radial-gradient(90% 80% at 80% 80%,rgba(204,255,77,.20),transparent 60%),#080b11;
  border:1px solid var(--line);display:grid;place-items:center}
.mon-screen .big{font:900 clamp(3rem,6vw,5.4rem)/1 var(--font);letter-spacing:-.08em;color:#fff;opacity:.94}
.mon-screen .grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:34px 34px}
.mon-screen .corner{position:absolute;width:18px;height:18px;border:2px solid var(--acid)}
.mon-screen .c1{top:10px;left:10px;border-right:0;border-bottom:0}
.mon-screen .c2{top:10px;right:10px;border-left:0;border-bottom:0}
.mon-screen .c3{bottom:10px;left:10px;border-right:0;border-top:0}
.mon-screen .c4{bottom:10px;right:10px;border-left:0;border-top:0}
.mon-timeline{display:flex;gap:3px;height:26px;align-items:flex-end;margin-bottom:14px}
.mon-timeline i{flex:1;background:linear-gradient(180deg,var(--acid),rgba(204,255,77,.15));opacity:.75;display:block}
.mon-meta{display:flex;justify-content:space-between;font:600 .7rem/1 var(--mono);color:var(--sub);letter-spacing:.06em}

/* HUD 数据条 */
.hud{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:80px;border-top:1px solid var(--line);position:relative;z-index:2}
.hud div{padding:26px 24px 30px;border-right:1px solid var(--line)}
.hud div:first-child{padding-left:0}
.hud div:last-child{border-right:none}
.hud b{display:block;font:800 clamp(1.7rem,3vw,2.6rem)/1 var(--font);letter-spacing:-.05em;color:#fff}
.hud b em{font-style:normal;color:var(--acid)}
.hud span{display:block;margin-top:8px;font:600 .72rem/1.3 var(--mono);color:var(--dim);letter-spacing:.08em;text-transform:uppercase}

/* ---------- 服务编号条 ---------- */
.svc-list{border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:92px 1.1fr 1.5fr 92px;gap:24px;align-items:center;
  padding:30px 10px;border-bottom:1px solid var(--line);transition:.28s;position:relative}
.svc-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:rgba(204,255,77,.06);transition:.28s;z-index:-1}
.svc-row:hover{padding-left:24px;border-color:var(--acid)}
.svc-row:hover::before{width:100%}
.svc-row .idx{font:700 1.5rem/1 var(--mono);color:var(--acid)}
.svc-row h3{font-size:1.5rem;margin:0;letter-spacing:-.03em}
.svc-row h3 small{display:block;font:600 .7rem/1 var(--mono);color:var(--dim);letter-spacing:.12em;margin-top:8px;text-transform:uppercase}
.svc-row p{margin:0;color:var(--sub);font-size:.94rem}
.svc-row .go{font:400 1.7rem/1 var(--mono);color:var(--dim);text-align:right;transition:.25s}
.svc-row:hover .go{color:var(--acid);transform:translateX(6px)}

/* ---------- 原则 / 双栏 ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.split .big-q{font-size:clamp(1.8rem,3.2vw,2.7rem);font-weight:800;line-height:1.3;letter-spacing:-.04em;color:#fff}
.split .big-q em{font-style:normal;color:var(--acid)}
.principles li{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
.principles li:first-child{border-top:1px solid var(--line)}
.principles .no{font:700 .9rem/1 var(--mono);color:var(--acid);padding-top:6px}
.principles h3{font-size:1.14rem;margin:0 0 8px}
.principles p{margin:0;color:var(--sub);font-size:.92rem}

/* ---------- 裂变网格 ---------- */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.matrix .cell{aspect-ratio:1;border:1px solid var(--line);background:var(--panel);padding:12px;
  display:flex;flex-direction:column;justify-content:space-between;transition:.25s}
.matrix .cell:first-child{background:var(--acid);border-color:var(--acid);color:#0a0d08}
.matrix .cell:hover{border-color:var(--acid);transform:translateY(-3px)}
.matrix .cell b{font:700 .78rem/1.2 var(--mono);letter-spacing:.04em}
.matrix .cell span{font:600 .68rem/1.3 var(--mono);color:var(--dim)}
.matrix .cell:first-child span{color:#25300d}
.matrix-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;font:600 .78rem/1 var(--mono);color:var(--dim)}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.case{grid-column:span 2;background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:.3s;position:relative}
.case:nth-child(1),.case:nth-child(6){grid-column:span 3}
.case:hover{border-color:var(--acid);transform:translateY(-4px)}
.case .ph{height:230px;position:relative;overflow:hidden;background:#111}
.case:nth-child(1) .ph,.case:nth-child(6) .ph{height:270px}
.case .ph img{width:100%;height:100%;object-fit:cover;filter:contrast(1.04) brightness(.94);transition:.5s}
.case:hover .ph img{transform:scale(1.04);filter:contrast(1.08) brightness(1.06)}
.case .ph::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,9,12,.12) 0%,rgba(7,9,12,0) 45%,rgba(7,9,12,.45) 100%);pointer-events:none}
.case .ph .ind{position:absolute;left:16px;top:14px;font:700 .72rem/1 var(--mono);letter-spacing:.1em;
  background:rgba(7,9,12,.8);border:1px solid var(--line2);padding:8px 11px;color:#fff;z-index:2}
.case .ph .kpi{position:absolute;right:16px;bottom:14px;z-index:2;text-align:right}
.case .ph .kpi b{display:block;font:900 1.9rem/1 var(--font);letter-spacing:-.05em;color:var(--acid)}
.case .ph .kpi span{font:600 .68rem/1 var(--mono);color:#fff;letter-spacing:.08em}
.case .body{padding:22px}
.case .body h3{font-size:1.15rem;margin:0 0 10px}
.case .body p{margin:0;color:var(--sub);font-size:.88rem;line-height:1.7}
.case .body .meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 时间轴 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);margin-top:20px}
.flow .st{padding:30px 20px 0;border-right:1px solid var(--line);position:relative}
.flow .st:last-child{border-right:none}
.flow .st::before{content:"";position:absolute;top:-5px;left:20px;width:9px;height:9px;border-radius:50%;background:var(--acid)}
.flow .st .d{font:700 .72rem/1 var(--mono);color:var(--acid);letter-spacing:.1em}
.flow .st h3{font-size:1.06rem;margin:14px 0 10px}
.flow .st p{margin:0;color:var(--sub);font-size:.86rem}

/* ---------- 城市网络 ---------- */
.city-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:26px}
.city-search{flex:1;min-width:240px;background:var(--panel);border:1px solid var(--line2);color:#fff;
  padding:14px 16px;border-radius:2px;outline:none;font-size:.94rem}
.city-search:focus{border-color:var(--acid)}
.city-search::placeholder{color:var(--dim)}
.prov-tabs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:24px}
.prov-tabs a{padding:7px 13px;border:1px solid var(--line);font:600 .76rem/1 var(--mono);color:var(--sub)}
.prov-tabs a:hover,.prov-tabs a.on{border-color:var(--acid);color:var(--acid);background:rgba(204,255,77,.06)}
.cloud{display:flex;flex-wrap:wrap;gap:7px;max-height:330px;overflow:auto;padding-right:6px}
.cloud a{padding:8px 13px;border:1px solid var(--line);font-size:.84rem;color:var(--sub);transition:.18s}
.cloud a:hover{border-color:var(--acid);color:var(--acid);background:rgba(204,255,77,.07)}
.cloud a.hide{display:none}
.cloud::-webkit-scrollbar{width:6px}.cloud::-webkit-scrollbar-thumb{background:var(--line2)}
.city-count{font:600 .76rem/1 var(--mono);color:var(--dim);margin-top:14px}

/* ---------- 价格 ---------- */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pc{background:var(--panel);border:1px solid var(--line);padding:32px;display:flex;flex-direction:column;transition:.25s}
.pc.feat{background:var(--acid);color:#0a0d08;border-color:var(--acid)}
.pc:hover{transform:translateY(-4px)}
.pc .lbl{font:700 .72rem/1 var(--mono);letter-spacing:.14em;color:var(--acid);text-transform:uppercase}
.pc.feat .lbl{color:#25300d}
.pc h3{font-size:1.5rem;margin:18px 0 6px}
.pc.feat h3{color:#0a0d08}
.pc .amt{font:900 clamp(2.2rem,4vw,3rem)/1 var(--font);letter-spacing:-.06em;margin:12px 0 4px}
.pc .amt small{font:600 .82rem/1 var(--font);letter-spacing:0;color:var(--dim)}
.pc.feat .amt small{color:#25300d}
.pc .note{font:600 .74rem/1.4 var(--mono);color:var(--dim);margin-bottom:24px}
.pc.feat .note{color:#25300d}
.pc ul{border-top:1px solid var(--line);padding-top:20px;margin-bottom:28px;flex:1}
.pc.feat ul{border-color:rgba(0,0,0,.2)}
.pc li{padding:7px 0 7px 22px;position:relative;font-size:.9rem;color:var(--sub)}
.pc.feat li{color:#1d2608}
.pc li::before{content:"→";position:absolute;left:0;color:var(--acid)}
.pc.feat li::before{color:#0a0d08}
.pc .btn{justify-content:center}

/* ---------- 资讯 ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.post{background:var(--panel);border:1px solid var(--line);padding:28px;transition:.25s}
.post:hover{border-color:var(--acid);transform:translateY(-4px)}
.post .cat{font:700 .7rem/1 var(--mono);color:var(--acid);letter-spacing:.14em}
.post .dt{font:600 .72rem/1 var(--mono);color:var(--dim);float:right}
.post h3{font-size:1.16rem;line-height:1.4;margin:18px 0 12px}
.post p{color:var(--sub);font-size:.88rem;margin:0 0 20px}
.post .more{font:600 .76rem/1 var(--mono);color:var(--acid)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:22px 40px 22px 0;cursor:pointer;font-size:1.02rem;font-weight:700;color:#fff;
  list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:20px;font:400 1.5rem/1 var(--mono);color:var(--acid)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 40px 24px 0;margin:0;color:var(--sub);font-size:.92rem}

/* ---------- CTA ---------- */
.cta-in{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center}
.cta-in h2{font-size:clamp(2.2rem,5vw,4.4rem);letter-spacing:-.06em;line-height:1.05;margin:0 0 20px}
.cta-in p{font-size:1.06rem;color:#25300d;max-width:620px;margin-bottom:28px}
.cta-side{border-left:1px solid rgba(0,0,0,.25);padding-left:36px}
.cta-side .tel{font:900 1.9rem/1.2 var(--font);letter-spacing:-.04em;display:block;margin-bottom:8px}
.cta-side span{font:600 .76rem/1.6 var(--mono);color:#25300d;display:block}

/* ---------- 页脚 ---------- */
footer.site{background:#05070a;padding:70px 0 28px;border-top:1px solid var(--line)}
.f-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px;padding-bottom:50px}
.f-brand .logo{font-size:2rem;margin-bottom:14px}
.f-brand p{color:var(--dim);font-size:.88rem;max-width:300px}
.f-col h4{font:700 .74rem/1 var(--mono);letter-spacing:.16em;color:var(--acid);text-transform:uppercase;margin-bottom:18px}
.f-col a{display:block;padding:5px 0;color:var(--sub);font-size:.86rem}
.f-col a:hover{color:var(--acid)}
.f-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font:600 .74rem/1.5 var(--mono);color:var(--dim)}

/* ---------- 内页 ---------- */
.pagehead{padding:64px 0 54px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.pagehead::before{content:"";position:absolute;right:-120px;top:-220px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,255,.18),transparent 65%)}
.pagehead .wrap{position:relative;z-index:1}
.crumb{font:600 .74rem/1 var(--mono);color:var(--dim);margin-bottom:24px;letter-spacing:.04em}
.crumb a:hover{color:var(--acid)}
.crumb span{margin:0 8px;color:var(--line2)}
.pagehead h1{font-size:clamp(2.2rem,4.8vw,4rem);margin:0 0 18px;letter-spacing:-.055em}
.pagehead .sub{color:var(--sub);font-size:1.04rem;max-width:780px;margin:0}
.pagehead .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.article{max-width:820px;color:var(--sub);font-size:1rem;line-height:1.95}
.article h2{font-size:1.6rem;margin:52px 0 18px;padding-top:22px;border-top:1px solid var(--line)}
.article h3{font-size:1.2rem;margin:32px 0 12px}
.article p{margin:0 0 18px}
.article a{color:var(--acid);border-bottom:1px solid rgba(204,255,77,.4)}
.article ul,.article ol{margin:0 0 22px;padding-left:22px;list-style:disc}
.article ol{list-style:decimal}
.article li{margin-bottom:8px}
.article strong{color:#fff}
table.tb{width:100%;border-collapse:collapse;margin:24px 0 30px;font-size:.92rem}
table.tb th,table.tb td{border:1px solid var(--line);padding:13px 15px;text-align:left;color:var(--sub)}
table.tb th{background:var(--panel);color:#fff;font-weight:700}
table.tb tr:hover td{background:rgba(204,255,77,.04);color:#fff}
.side{position:sticky;top:100px}
.side .box{background:var(--panel);border:1px solid var(--line);padding:26px;margin-bottom:18px}
.side .box h3{font-size:1.1rem;margin:0 0 14px}
.side .box a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-size:.88rem;color:var(--sub)}
.side .box a:last-child{border-bottom:none}
.side .box a:hover{color:var(--acid)}
.side .tel{font:900 1.6rem/1 var(--font);color:var(--acid);letter-spacing:-.04em}
.two-col{display:grid;grid-template-columns:1fr 320px;gap:60px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--panel);border:1px solid var(--line);padding:26px;transition:.25s}
.card:hover{border-color:var(--acid)}
.card .no{font:700 .78rem/1 var(--mono);color:var(--acid);display:block;margin-bottom:16px}
.card h3{font-size:1.1rem;margin:0 0 10px}
.card p{margin:0;color:var(--sub);font-size:.88rem}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0}
.kv div{background:var(--bg);padding:20px}
.kv b{display:block;font:800 1.6rem/1 var(--font);color:var(--acid);letter-spacing:-.04em}
.kv span{font:600 .74rem/1.4 var(--mono);color:var(--dim)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font:600 .76rem/1 var(--mono);letter-spacing:.1em;color:var(--acid);margin-bottom:9px;text-transform:uppercase}
.form-row input,.form-row textarea{width:100%;background:var(--panel);border:1px solid var(--line2);color:#fff;
  padding:14px 15px;border-radius:2px;outline:none}
.form-row input:focus,.form-row textarea:focus{border-color:var(--acid)}
.form-row textarea{min-height:120px;resize:vertical}
.form-msg{font:600 .84rem/1.5 var(--mono);margin-top:14px;min-height:20px}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  nav.main{display:none;position:absolute;top:78px;left:0;right:0;background:#0b0e13;
    flex-direction:column;align-items:stretch;padding:18px 26px 26px;border-bottom:1px solid var(--line)}
  body.navopen nav.main{display:flex}
  nav.main a{padding:13px 8px;border-bottom:1px solid var(--line)}
  .nav-cta{margin:14px 0 0!important;text-align:center}
  .burger{display:block}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .monitor{max-width:560px}
  .split,.two-col,.cta-in{grid-template-columns:1fr;gap:36px}
  .side{position:static}
  .f-grid{grid-template-columns:1fr 1fr}
  .svc-row{grid-template-columns:60px 1fr 40px;gap:14px}
  .svc-row p{display:none}
  .cases{grid-template-columns:repeat(2,1fr)}
  .case,.case:nth-child(1),.case:nth-child(6){grid-column:span 1}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow .st{border-bottom:1px solid var(--line);padding-bottom:24px}
  .price,.posts,.cards{grid-template-columns:1fr}
  .matrix{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:640px){
  .wrap{padding:0 18px}
  .sec{padding:66px 0}
  .hero{padding-top:60px}
  .hero h1{font-size:clamp(2.6rem,11vw,3.6rem)}
  .hud{grid-template-columns:repeat(2,1fr)}
  .hud div{border-bottom:1px solid var(--line);padding:20px 14px}
  .hud div:first-child{padding-left:14px}
  .hud div:nth-child(2){border-right:none}
  .cases,.flow,.price,.posts,.cards,.kv{grid-template-columns:1fr}
  .flow .st{border-right:none}
  .svc-row{grid-template-columns:44px 1fr 30px;padding:22px 4px}
  .svc-row h3{font-size:1.2rem}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .cta-side{border-left:none;border-top:1px solid rgba(0,0,0,.25);padding:24px 0 0}
  .f-grid{grid-template-columns:1fr}
  .pagehead{padding:44px 0 38px}
}