/* ============================================================
   量化加 QUANTIFY+ 官网 · 全站设计系统
   依据 design-tokens.json V1.0.0（唯一视觉事实来源）
   配合《官网内容框架-全页面文案》V1.0 使用
   ============================================================ */
:root{
  --blue:#0CACF5; --blue-deep:#2E6BE6; --blue-ink:#1E4FD8; --ink:#272727;
  --grad:linear-gradient(100deg,#0CACF5 0%,#2E6BE6 100%);
  --grad-text:linear-gradient(100deg,#0CACF5,#6FD1FF);
  --bg:#F6F8FB; --surface:#FFFFFF; --line:#E7ECF3;
  --text-1:#272727; --text-2:#5B6472; --text-3:#8A94A3;
  --success:#16A34A; --warning:#F59E0B; --danger:#EF4444;
  --r-sm:10px; --r-md:14px; --r-card:16px; --r-lg:24px; --r-xl:28px;
  --shadow-1:0 2px 8px rgba(39,46,58,.05),0 12px 32px rgba(39,46,58,.07);
  --shadow-2:0 4px 12px rgba(12,172,245,.12),0 20px 48px rgba(39,46,58,.10);
  --shadow-btn:0 8px 24px rgba(12,172,245,.35);
  --font-cn:'Noto Sans SC','MiSans','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Space Grotesk','Noto Sans SC',sans-serif;
  --ease:cubic-bezier(.2,.6,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg);color:var(--text-1);font-size:14px;line-height:1.8}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.num{font-family:var(--font-num)}
.wrap{max-width:1440px;margin:0 auto;padding:0 72px}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--r-md);cursor:pointer;border:0;font-family:var(--font-cn);transition:all .2s var(--ease);font-size:15px;padding:15px 32px}
.btn-pri{background:var(--grad);color:#fff;box-shadow:var(--shadow-btn)}
.btn-pri:hover{filter:brightness(.94);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:rgba(12,172,245,.5);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--blue-ink);background:rgba(12,172,245,.10);border:1px solid rgba(12,172,245,.25);padding:5px 14px;border-radius:999px;letter-spacing:1px}
.kicker{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--blue-ink)}
.h-sec{font-size:44px;font-weight:900;line-height:1.25;letter-spacing:.5px;margin-top:14px}
.h-sec i{font-style:normal;color:var(--blue)}
.sec{padding:96px 0 0}
.sec .head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec .more{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:8px;white-space:nowrap}
.sec .more:hover{color:var(--blue-ink)}
.phero{padding:72px 0 0;position:relative;overflow:hidden}
.phero .mesh{position:absolute;inset:0;background:
  radial-gradient(520px 280px at 90% 0%,rgba(12,172,245,.14),transparent 65%),
  radial-gradient(420px 280px at -4% 100%,rgba(46,107,230,.08),transparent 60%);pointer-events:none}
.phero .in{position:relative;padding-bottom:56px;border-bottom:1px solid var(--line)}
.crumbs{font-size:13px;color:var(--text-3);display:flex;gap:8px;align-items:center;margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--blue-ink)}
.phero h1{font-size:56px;font-weight:900;line-height:1.2;letter-spacing:.5px}
.phero h1 i{font-style:italic;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero .lead{font-size:17px;color:var(--text-2);line-height:1.85;margin-top:16px;max-width:720px}
.plus{position:absolute;font-family:var(--font-num);font-weight:700;color:var(--blue);user-select:none;pointer-events:none}

/* 待补充占位（文案框架预留信息位） */
.todo{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-3);background:repeating-linear-gradient(-45deg,#F2F5F9 0 8px,#EDF1F6 8px 16px);border:1.5px dashed #C9D3E0;border-radius:var(--r-sm);padding:6px 14px;font-weight:500}
.todo-block{border:1.5px dashed #C9D3E0;background:repeating-linear-gradient(-45deg,#F2F5F9 0 10px,#EDF1F6 10px 20px);border-radius:var(--r-card);color:var(--text-3);display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;padding:20px;line-height:1.8}

/* ---------- 页首 ---------- */
.site-head{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-head.scrolled{box-shadow:var(--shadow-1)}
.head-in{height:84px;display:flex;align-items:center;gap:40px}
.head-in .logo img{height:42px}
.nav{display:flex;gap:34px;font-size:15px;font-weight:500;color:var(--text-2);align-items:center}
.nav>a,.nav .nav-item>a{padding:8px 0;position:relative;white-space:nowrap}
.nav>a:hover,.nav .nav-item>a:hover{color:var(--ink)}
.nav>a.on,.nav .nav-item>a.on{color:var(--ink);font-weight:700}
.nav>a.on::after,.nav .nav-item>a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;background:var(--grad)}
.nav-item{position:relative}
.nav-item .car{font-size:10px;margin-left:4px;color:var(--text-3)}
.nav-item .sub{position:absolute;top:100%;left:-16px;padding-top:10px;display:none;min-width:280px}
.nav-item:hover .sub{display:block}
.nav-item .sub>div{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:8px}
.nav-item .sub a{display:block;padding:11px 16px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);white-space:nowrap}
.nav-item .sub a:hover{background:rgba(12,172,245,.08);color:var(--blue-ink)}
.head-right{margin-left:auto;display:flex;align-items:center;gap:22px}
.head-right .tel{font-weight:700;color:var(--ink);font-size:16px;white-space:nowrap}
.head-right .btn{padding:12px 24px;font-size:14px}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger i{width:22px;height:2.5px;border-radius:2px;background:var(--ink);display:block;transition:.2s}
.burger i:last-child{width:14px;background:var(--blue)}
.m-drawer{display:none}

/* ---------- 页脚 ---------- */
.foot{margin-top:96px;background:#fff;border-top:1px solid var(--line)}
.foot .cols{padding:56px 0 40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:56px}
.foot img{height:38px}
.foot .desc{font-size:13px;color:var(--text-2);line-height:1.9;margin-top:16px;max-width:320px}
.foot h4{font-size:14px;font-weight:900;margin-bottom:16px}
.foot .col a{display:block;font-size:13px;color:var(--text-2);margin-bottom:11px}
.foot .col a:hover{color:var(--blue-ink)}
.foot .col .ft-tel{font-family:var(--font-num);font-weight:700;color:var(--ink)}
.foot .bar{border-top:1px solid var(--line);padding:20px 0;font-size:12px;color:var(--text-3);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-pad{height:64px}

/* ---------- 深色 CTA 大卡（28px 圆角规范） ---------- */
.cta-card{margin:96px 0 0;background:var(--ink);border-radius:var(--r-xl);padding:64px 72px;display:flex;align-items:center;position:relative;overflow:hidden}
.cta-card .mesh{position:absolute;inset:0;background:radial-gradient(500px 260px at 85% 15%,rgba(12,172,245,.35),transparent 60%);pointer-events:none}
.cta-card .l{position:relative;flex:1}
.cta-card .kick{color:rgba(255,255,255,.45);font-size:13px;font-weight:700;letter-spacing:4px;font-family:var(--font-num)}
.cta-card h2{color:#fff;font-size:42px;font-weight:900;line-height:1.3;margin-top:10px}
.cta-card h2 i{font-style:italic;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-card .sub{color:rgba(255,255,255,.65);font-size:15px;margin-top:12px}
.cta-card .tel{color:#fff;font-size:30px;font-weight:700;margin-top:20px;font-family:var(--font-num)}
.cta-card .tel small{color:rgba(255,255,255,.55);font-weight:400;font-size:14px;margin-left:10px;font-family:var(--font-cn)}
.cta-card .r{position:relative;display:flex;flex-direction:column;gap:14px;align-items:stretch;margin-left:60px;min-width:220px}
.cta-card .btn{width:100%}
.cta-card .mail{color:rgba(255,255,255,.6);font-size:14px;font-family:var(--font-num);text-align:center}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 64px}
.hero .mesh{position:absolute;inset:0;background:
  radial-gradient(560px 300px at 88% 8%,rgba(12,172,245,.16),transparent 65%),
  radial-gradient(480px 320px at -5% 90%,rgba(46,107,230,.10),transparent 60%)}
.diag{position:absolute;background:#fff;transform:rotate(-45deg);pointer-events:none}
.diag.a{width:560px;height:150px;right:-140px;top:-40px;border-left:10px solid var(--blue-deep)}
.diag.b{width:520px;height:120px;right:-220px;top:150px;border-left:8px solid rgba(12,172,245,.55)}
.diag.c{width:420px;height:90px;left:-200px;bottom:60px;border-right:6px solid rgba(39,39,39,.08)}
.hero .in{position:relative;display:flex;gap:40px}
.hero .left{flex:1.35;min-width:0}
.hero h1{font-size:76px;font-weight:900;line-height:1.14;letter-spacing:1px;margin:26px 0 8px}
.hero h1 .em{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}
.hero .sub{font-size:19px;color:var(--text-2);line-height:1.9;margin:18px 0 10px;max-width:620px;font-weight:500;color:var(--text-1)}
.hero .aux{font-size:15px;color:var(--text-2);line-height:1.9;margin:0 0 34px;max-width:600px}
.hero .cta{display:flex;gap:16px;flex-wrap:wrap}
.hero .btn{padding:17px 36px;font-size:16px}
.hero .visual{flex:1;position:relative;min-height:420px}
.qcard{position:absolute;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-1);padding:20px 22px}
.qcard .t{font-size:12px;color:var(--text-3);font-weight:500}
.qcard .v{font-family:var(--font-num);font-weight:700;font-size:30px;margin-top:4px}
.qcard .v i{font-style:normal;font-size:14px;color:var(--blue);margin-left:2px;font-family:var(--font-cn)}
.qc1{right:60px;top:10px;width:210px;transform:rotate(3deg)}
.qc2{right:230px;top:170px;width:230px;transform:rotate(-2deg);box-shadow:var(--shadow-2)}
.qc3{right:70px;bottom:40px;width:250px;transform:rotate(1.5deg)}
.qbadge{position:absolute;right:330px;top:-6px;width:92px;height:92px;border-radius:26px;background:var(--grad);display:flex;align-items:center;justify-content:center;transform:rotate(-8deg);box-shadow:0 16px 40px rgba(12,172,245,.4)}
.qbadge span{color:#fff;font-family:var(--font-num);font-weight:700;font-size:40px;font-style:italic}

/* 数据条 */
.stats{display:flex;margin:56px 0 0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);position:relative;z-index:3}
.stats .it{flex:1;padding:30px 10px;text-align:center;border-right:1px solid var(--line)}
.stats .it:last-child{border-right:0}
.stats .n{font-family:var(--font-num);font-weight:700;font-size:44px;line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats .n small{font-size:22px;font-family:var(--font-cn)}
.stats .l{font-size:13.5px;color:var(--text-2);margin-top:6px;font-weight:500}

/* 卡片体系 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);transition:.25s var(--ease)}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(12,172,245,.45)}
.ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px}
.ic-blue{background:rgba(12,172,245,.12);color:var(--blue-ink)}
.ic-deep{background:rgba(46,107,230,.12);color:var(--blue-deep)}
.ic-ink{background:rgba(39,39,39,.08);color:var(--ink)}

/* 双业务大卡 */
.biz{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.biz .bcard{border-radius:var(--r-lg);padding:40px;position:relative;overflow:hidden;border:1px solid var(--line);transition:.25s var(--ease)}
.biz .bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.biz .bcard .ic{margin-bottom:20px}
.biz .bcard h3{font-size:26px;font-weight:900;margin-bottom:10px}
.biz .bcard .slogan{font-size:16px;font-weight:700;margin-bottom:14px}
.biz .bcard p.det{font-size:14px;line-height:1.9}
.biz .bcard .go{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;margin-top:22px;border-bottom:2px solid transparent;transition:.2s}
.biz .bcard .go:hover{gap:12px}
.biz .bcard .wm{position:absolute;right:-16px;bottom:-22px;font-family:var(--font-num);font-weight:700;font-size:110px;color:rgba(12,172,245,.07);font-style:italic;line-height:1}
.bcard.dark{background:linear-gradient(135deg,#272727,#3A4250);border:0;color:#fff}
.bcard.dark .slogan{color:#fff}
.bcard.dark p.det{color:rgba(255,255,255,.72)}
.bcard.dark .go{color:#6FD1FF}
.bcard.dark .ic{background:rgba(255,255,255,.16)}
.bcard.light{background:#fff}
.bcard.light .slogan{color:var(--ink)}
.bcard.light p.det{color:var(--text-2)}
.bcard.light .go{color:var(--blue-ink);border-color:transparent}
.bcard.light .go:hover{border-color:var(--blue-ink)}

/* 服务 BENTO / 服务卡 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;position:relative;overflow:hidden;transition:.25s var(--ease)}
.scard:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(12,172,245,.45)}
.scard h3{font-size:20px;font-weight:900;margin-bottom:8px}
.scard p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.scard .sub-items{list-style:none;margin:16px 0 0;display:flex;flex-direction:column;gap:8px}
.scard .sub-items li{font-size:13.5px;color:var(--text-1);display:flex;gap:8px;align-items:baseline}
.scard .sub-items li::before{content:"+";font-family:var(--font-num);font-weight:700;color:var(--blue)}
.scard .go{display:inline-flex;margin-top:20px;font-weight:700;font-size:14px;color:var(--blue-ink)}
.scard .go:hover{gap:12px}
.scard .wm{position:absolute;right:-14px;bottom:-20px;font-family:var(--font-num);font-weight:700;font-size:88px;color:rgba(12,172,245,.07);font-style:italic;line-height:1}

/* 案例卡 */
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.25s var(--ease);display:flex;flex-direction:column}
.ccard:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.ccard .cover{height:190px;position:relative;overflow:hidden}
.ccard .cover .plus-mark{position:absolute;right:18px;bottom:12px;font-family:var(--font-num);font-weight:700;font-size:64px;color:rgba(255,255,255,.28);font-style:italic;line-height:1}
.ccard .cover.cv-light .plus-mark{color:rgba(46,107,230,.25)}
.cv1{background:linear-gradient(135deg,#0CACF5,#2E6BE6)}
.cv2{background:linear-gradient(135deg,#272727,#4A5568)}
.cv3{background:linear-gradient(160deg,#F5F8FC,#DDE7F3)}
.ccard .body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.ccard .cat{font-size:12px;font-weight:700;color:var(--blue-ink);letter-spacing:1px}
.ccard h3{font-size:19px;font-weight:900;margin:8px 0}
.ccard p{font-size:13px;color:var(--text-2);line-height:1.75}
.ccard .tags{margin-top:auto;padding-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:11.5px;font-weight:500;color:var(--text-2);background:var(--bg);border:1px solid var(--line);padding:4px 12px;border-radius:999px}

/* 客户墙 */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cl{background:#fff;border:1px solid var(--line);border-radius:14px;height:72px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#495260;letter-spacing:1px;transition:.2s;font-family:var(--font-num)}
.cl:hover{color:var(--blue-ink);border-color:rgba(12,172,245,.5);box-shadow:var(--shadow-1)}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;position:relative;transition:.25s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step .no{font-family:var(--font-num);font-weight:700;font-size:15px;color:#fff;width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-size:18px;font-weight:900;margin-bottom:8px}
.step p{font-size:13px;color:var(--text-2);line-height:1.75}

/* 优势 4 项 */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat .f{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:.25s var(--ease)}
.feat .f:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feat h3{font-size:18px;font-weight:900;margin:16px 0 8px}
.feat p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* 筛选器 */
.filters{display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
.filters .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filters .lab{font-size:13px;color:var(--text-3);font-weight:700;width:64px;flex:0 0 auto}
.ftag{font-size:13px;font-weight:500;color:var(--text-2);background:#fff;border:1.5px solid var(--line);padding:8px 18px;border-radius:999px;cursor:pointer;transition:.2s}
.ftag:hover{border-color:rgba(12,172,245,.5);color:var(--blue-ink)}
.ftag.on{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}

/* 案例详情 */
.meta-row{display:flex;gap:10px;flex-wrap:wrap}
.case-sec{padding:56px 0 0}
.case-sec h2{font-size:30px;font-weight:900;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.case-sec h2::before{content:"+";font-family:var(--font-num);color:var(--blue);font-size:26px}
.case-sec p.body{font-size:15.5px;color:var(--text-2);line-height:2;max-width:860px}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.sol-grid .s{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 26px;transition:.25s var(--ease)}
.sol-grid .s:hover{border-color:rgba(12,172,245,.45);box-shadow:var(--shadow-1)}
.sol-grid .s h4{font-size:16.5px;font-weight:900;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.sol-grid .s h4 .dot{width:8px;height:8px;border-radius:3px;background:var(--grad);flex:0 0 auto}
.sol-grid .s p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.deliv{display:flex;flex-wrap:wrap;gap:10px}
.deliv .chip{font-size:13px;padding:9px 18px}
.hl-box{background:rgba(12,172,245,.06);border:1px solid rgba(12,172,245,.25);border-radius:var(--r-card);padding:24px 28px;margin-top:8px}
.hl-box b{color:var(--blue-ink)}
.hl-box p{font-size:14.5px;color:var(--text-2);line-height:1.9}
.link-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.link-cards a{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 26px;display:block;transition:.25s var(--ease)}
.link-cards a:hover{border-color:rgba(12,172,245,.45);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.link-cards .k{font-size:12px;font-weight:700;color:var(--blue-ink);letter-spacing:1px}
.link-cards .v{font-size:16.5px;font-weight:900;margin-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.link-cards .v span:last-child{color:var(--blue);font-family:var(--font-num)}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:.2s}
.faq details[open]{border-color:rgba(12,172,245,.45);box-shadow:var(--shadow-1)}
.faq summary{list-style:none;cursor:pointer;padding:20px 26px;font-size:16px;font-weight:700;display:flex;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";font-family:var(--font-num);font-weight:700;font-size:20px;color:var(--blue);flex:0 0 auto;transition:.2s}
.faq details[open] summary::before{content:"−"}
.faq .a{padding:0 26px 22px 60px;font-size:14.5px;color:var(--text-2);line-height:1.95}

/* 知识库 */
.series{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.acard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:.25s var(--ease);display:flex;flex-direction:column;gap:10px}
.acard:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(12,172,245,.45)}
.acard .top{display:flex;justify-content:space-between;align-items:center}
.acard h3{font-size:19px;font-weight:900;line-height:1.45}
.acard p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.acard .meta{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--text-3);display:flex;gap:14px;font-family:var(--font-num)}
.status{font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap}
.status.pub{color:var(--success);background:#E8F7EE;border:1px solid rgba(22,163,74,.3)}
.status.wip{color:var(--warning);background:#FEF4E2;border:1px solid rgba(245,158,11,.35)}

/* 文章页 */
.article{max-width:860px}
.article h2{font-size:26px;font-weight:900;margin:48px 0 16px;padding-left:16px;border-left:4px solid var(--blue);line-height:1.4}
.article p{font-size:15.5px;color:var(--text-2);line-height:2.05;margin-bottom:14px}
.answer-card{background:rgba(12,172,245,.07);border:1px solid rgba(12,172,245,.3);border-radius:var(--r-card);padding:26px 30px;margin:28px 0 8px}
.answer-card .k{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--blue-ink);margin-bottom:10px}
.answer-card p{font-size:15.5px;color:var(--text-1);line-height:2;margin:0}
.art-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-top:14px;font-family:var(--font-num)}
.art-meta span{display:inline-flex;align-items:center;gap:6px}

/* 关于页 */
.timeline{position:relative;margin-top:8px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue),var(--blue-deep));border-radius:2px;opacity:.4}
.tl-item{position:relative;padding:0 0 28px 24px}
.tl-item::before{content:"";position:absolute;left:-28px;top:7px;width:16px;height:16px;border-radius:6px;background:#fff;border:3px solid var(--blue)}
.tl-item .y{font-family:var(--font-num);font-weight:700;font-size:20px;color:var(--blue-ink)}
.tl-item .t{font-size:15.5px;font-weight:700;margin-top:2px}
.tl-item p{font-size:13.5px;color:var(--text-2);margin-top:4px}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.principle{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;position:relative;transition:.25s var(--ease)}
.principle:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.principle .no{font-family:var(--font-num);font-weight:700;font-size:44px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.principle h3{font-size:17px;font-weight:900;margin:14px 0 8px;line-height:1.5}
.reg-info{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 30px;font-size:13px;color:var(--text-2);line-height:2.1}
.reg-info b{color:var(--ink)}
.reg-info .num{font-size:13.5px}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:40px;box-shadow:var(--shadow-1)}
.form-card .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px}
.field label em{font-style:normal;color:var(--danger)}
.field input,.field select,.field textarea{width:100%;font-family:var(--font-cn);font-size:14.5px;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;outline:none;transition:.2s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(12,172,245,.15)}
.field input.err,.field textarea.err{border-color:var(--danger);background:#FDECEC}
.form-ok{display:none;margin-top:16px;background:#E8F7EE;border:1px solid rgba(22,163,74,.35);color:var(--success);border-radius:var(--r-md);padding:14px 18px;font-weight:700;font-size:14px}
.form-fail{display:none;margin-top:16px;background:#FDECEC;border:1px solid rgba(239,68,68,.35);color:var(--danger);border-radius:var(--r-md);padding:14px 18px;font-size:13.5px}
.contact-side{display:flex;flex-direction:column;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px}
.side-card h4{font-size:15px;font-weight:900;margin-bottom:14px}
.side-card .row{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:14.5px;color:var(--text-2)}
.side-card .row .k{color:var(--text-3);font-size:13px;width:44px;flex:0 0 auto;padding-top:2px}
.side-card .row .v{color:var(--ink);font-weight:500}
.side-card .row .v.num{font-weight:700;font-size:17px}
.qr-slot{width:150px;height:150px;border:1.5px dashed #C9D3E0;border-radius:var(--r-card);background:repeating-linear-gradient(-45deg,#F2F5F9 0 10px,#EDF1F6 10px 20px);display:flex;align-items:center;justify-content:center;text-align:center;font-size:11.5px;color:var(--text-3);padding:12px;line-height:1.7}

/* 404 */
.p404{min-height:calc(100vh - 84px);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:64px 20px}
.p404 .in{text-align:center;position:relative}
.p404 .code{font-family:var(--font-num);font-weight:700;font-size:150px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.p404 h1{font-size:26px;font-weight:900;margin:18px 0 10px}
.p404 p{color:var(--text-2);margin-bottom:30px}

/* ---------- 移动端 ---------- */
@media (max-width:1024px){
  .wrap{padding:0 40px}
  .hero h1{font-size:60px}
  .grid4,.feat,.steps{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:repeat(4,1fr)}
  .phero h1{font-size:44px}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .sec{padding:52px 0 0}
  .sec .head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:26px}
  .h-sec{font-size:26px}
  .phero{padding-top:44px}
  .phero h1{font-size:30px;line-height:1.3}
  .phero .lead{font-size:14.5px}
  /* 导航折叠 */
  .head-in{height:64px;gap:16px}
  .head-in .logo img{height:32px}
  .nav,.head-right{display:none}
  .burger{display:flex}
  .m-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 20px 20px}
  .m-drawer.open{display:block}
  .m-drawer a{display:block;padding:13px 4px;font-size:15px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
  .m-drawer a.sublink{padding-left:20px;font-size:13.5px;color:var(--text-2);border-bottom:0;padding-top:9px;padding-bottom:9px}
  .m-drawer .grp{font-size:12px;color:var(--text-3);font-weight:700;letter-spacing:2px;padding:14px 4px 4px}
  .m-drawer .btn{width:100%;margin-top:14px}
  /* Hero */
  .hero{padding:44px 0 40px}
  .hero .in{flex-direction:column;gap:0}
  .hero h1{font-size:40px;line-height:1.28}
  .hero .sub{font-size:15px}
  .hero .aux{font-size:13px}
  .hero .visual{display:none}
  .hero .cta{flex-direction:row}
  .hero .btn{flex:1;padding:15px 0;font-size:15px}
  /* 数据条 2×2 */
  .stats{display:grid;grid-template-columns:1fr 1fr;margin-top:40px}
  .stats .it{border-bottom:1px solid var(--line)}
  .stats .it:nth-child(2n){border-right:0}
  .stats .it:nth-child(n+3){border-bottom:0}
  .stats .n{font-size:28px}
  .stats .n small{font-size:14px}
  .stats .l{font-size:11.5px}
  /* 网格降级 */
  .grid2,.biz,.grid3,.sol-grid,.link-cards,.principles,.series,.contact-grid{grid-template-columns:1fr}
  .grid4,.feat,.steps{grid-template-columns:1fr}
  .clients{grid-template-columns:repeat(3,1fr)}
  .cl{height:56px;font-size:12px}
  .biz .bcard{padding:26px}
  .biz .bcard h3{font-size:21px}
  .cta-card{padding:32px 24px;border-radius:22px;flex-direction:column;align-items:stretch}
  .cta-card h2{font-size:24px}
  .cta-card .tel{font-size:20px}
  .cta-card .r{margin-left:0;margin-top:8px}
  .foot .cols{grid-template-columns:1fr;gap:32px;padding:40px 0 28px}
  .foot{margin-top:52px}
  .case-sec{padding:40px 0 0}
  .case-sec h2{font-size:22px}
  .article h2{font-size:21px}
  .form-card{padding:24px 20px}
  .form-card .row2{grid-template-columns:1fr}
  .p404 .code{font-size:96px}
  /* 底部 Tab 常驻导航 */
  .tabbar{position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);display:flex;padding:8px 8px calc(14px + env(safe-area-inset-bottom))}
  .tabbar a{flex:1;text-align:center;font-size:10.5px;color:var(--text-3);font-weight:500}
  .tabbar a .i{font-size:19px;display:block;margin-bottom:2px}
  .tabbar a.on{color:var(--blue-ink);font-weight:700}
  .foot-pad{height:76px}
}
@media (min-width:769px){.tabbar{display:none}}