/* ============================================================
   致远数智 GEO — 设计系统 v2
   POV: signal-intelligence / precision instrument
   Committed strategy — brand blue carries, violet secondary,
   high-contrast ink, tabular numerals, restrained gradients.
   Latin + numerals: self-hosted Geist; CJK: system stack.
   ============================================================ */
@font-face{
  font-family:"Geist";
  src:url("fonts/Geist.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+2074,U+20AC,U+2122,U+2190-21FF,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Geist Mono";
  src:url("fonts/GeistMono.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2215;
}
:root{
  /* brand (committed identity — preserved) */
  --brand:#026AE3;
  --brand-700:#0257C7;
  --brand-900:#043671;
  --violet:#7C5CF0;
  --violet-300:#9478F3;

  /* ink ramp */
  --ink:#0B1020;
  --ink-2:#262D45;
  --muted:#565E78;
  --muted-2:#868EA6;

  /* surfaces */
  --bg:#FFFFFF;
  --tint:#F5F8FD;        /* subtle cool tint, not warm */
  --blue-050:#EAF1FD;
  --blue-100:#DCE9FC;
  --violet-050:#F1EEFD;
  --night:#0A0F1F;       /* dark section */
  --line:#E6E9F0;
  --line-2:#D4DAE8;

  /* semantic */
  --green:#16A34A;
  --green-bg:#E8F6EE;
  --amber:#D97706;
  --red:#DC2626;
  --red-bg:#FDECEC;
  --wechat:#07C160;

  --grad-surface:linear-gradient(135deg,#EAF1FD 0%,#F1EEFD 100%);
  --grad-cta:linear-gradient(120deg,#043671 0%,#026AE3 52%,#6E50D8 100%);

  --shadow-1:0 1px 2px rgba(11,16,32,.05);
  --shadow-2:0 10px 30px -12px rgba(11,16,32,.18);
  --shadow-3:0 30px 60px -22px rgba(11,16,32,.28);
  --ring-brand:0 0 0 1px rgba(2,106,227,.18);

  --r:14px; --r-lg:20px; --r-sm:10px; --r-pill:999px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,1,.36,1);

  --font:"Geist","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Hiragino Sans GB",
         -apple-system,"Segoe UI",Roboto,"Noto Sans SC",system-ui,sans-serif;
  --mono:"Geist Mono","PingFang SC","Microsoft YaHei UI","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
  font-feature-settings:"tnum" 0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:3px}
::selection{background:rgba(2,106,227,.16)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---- layout ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:clamp(72px,9vw,120px) 0}
.section-tight{padding:clamp(48px,6vw,72px) 0}
.tint{background:var(--tint)}
.center{text-align:center}

/* ---- section heading cadence (editorial kicker, not a pill-on-every-section) ---- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:600;color:var(--brand);margin-bottom:16px;
}
.kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand)}
.center .kicker{justify-content:center}
.h2{
  font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.12;
  letter-spacing:-.025em;color:var(--ink);text-wrap:balance;
}
.lead{
  font-size:clamp(15.5px,1.5vw,18px);color:var(--muted);margin-top:18px;
  max-width:62ch;line-height:1.7;text-wrap:pretty;
}
.center .lead{margin-left:auto;margin-right:auto}
.sec-head{margin-bottom:clamp(40px,5vw,64px)}
.accent{color:var(--brand)}

/* ---- buttons ---- */
.btn{
  --bg:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 22px;border-radius:12px;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s;
  white-space:nowrap;line-height:1;
}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -8px rgba(2,106,227,.6)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 14px 30px -8px rgba(2,106,227,.55);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(4px)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-link{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:15px}
.btn-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}

/* ============ Header ============ */
.header{position:fixed;inset:0 0 auto;z-index:50;transition:box-shadow .3s,background .3s}
.header-inner{display:flex;align-items:center;gap:34px;height:70px}
.header::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(255,255,255,.7);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);opacity:0;transition:opacity .3s}
.header.scrolled::after{opacity:1;box-shadow:0 1px 0 var(--line),0 10px 30px -18px rgba(11,16,32,.3)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18.5px;letter-spacing:-.01em;color:var(--ink)}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--brand);display:grid;place-items:center;color:#fff;flex:none;box-shadow:0 6px 16px -6px rgba(2,106,227,.7)}
.brand .logo svg{width:20px;height:20px}
.brand small{font-weight:700;color:var(--brand);font-size:11px;letter-spacing:.14em;align-self:flex-end;margin-bottom:3px}
.nav{display:flex;gap:2px;margin-left:6px}
.nav a{font-size:14.5px;font-weight:500;color:var(--ink-2);padding:8px 14px;border-radius:9px;transition:color .2s,background .2s}
.nav a:hover{color:var(--brand);background:var(--blue-050)}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:14px}
.header-cta .login{font-size:14.5px;font-weight:500;color:var(--ink-2)}
.header-cta .login:hover{color:var(--brand)}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);place-items:center;color:var(--ink)}
.burger svg{width:22px;height:22px}

.drawer{position:fixed;inset:0;z-index:60;visibility:hidden;opacity:0;transition:.3s}
.drawer.open{visibility:visible;opacity:1}
.drawer .scrim{position:absolute;inset:0;background:rgba(10,15,31,.45)}
.drawer .panel{position:absolute;top:0;right:0;height:100%;width:min(320px,84vw);background:#fff;transform:translateX(100%);transition:transform .34s var(--ease);padding:22px;display:flex;flex-direction:column;gap:4px}
.drawer.open .panel{transform:none}
.drawer .panel a{padding:13px 12px;border-radius:10px;font-weight:500;font-size:16px;color:var(--ink-2)}
.drawer .panel a:hover{background:var(--blue-050);color:var(--brand)}
.drawer .panel .btn{margin-top:14px}
.drawer .x{align-self:flex-end;width:40px;height:40px;display:grid;place-items:center;border-radius:10px;color:var(--muted)}
.drawer .x svg{width:22px;height:22px}

/* ============ Hero ============ */
.hero{position:relative;padding:clamp(120px,15vw,168px) 0 clamp(72px,9vw,104px);overflow:hidden;background:
  radial-gradient(120% 90% at 88% -10%,rgba(124,92,240,.14),transparent 55%),
  radial-gradient(90% 80% at -10% 30%,rgba(2,106,227,.10),transparent 55%),
  var(--bg)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(11,16,32,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(11,16,32,.035) 1px,transparent 1px);
  background-size:48px 48px;mask:radial-gradient(80% 70% at 50% 30%,#000,transparent 80%);-webkit-mask:radial-gradient(80% 70% at 50% 30%,#000,transparent 80%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,5vw,64px);align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--brand-700);background:#fff;border:1px solid var(--blue-100);padding:7px 14px 7px 9px;border-radius:var(--r-pill);box-shadow:var(--shadow-1)}
.hero-tag .b{font-size:11px;font-weight:700;color:#fff;background:var(--brand);padding:3px 8px;border-radius:var(--r-pill)}
.hero h1{font-size:clamp(34px,5.4vw,58px);font-weight:850;line-height:1.1;letter-spacing:-.03em;margin:20px 0 0;text-wrap:balance}
.hero h1 .accent{position:relative;white-space:nowrap}
.hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.14em;background:linear-gradient(90deg,var(--brand),var(--violet));border-radius:2px;opacity:.9}
.hero .sub{font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);margin:24px 0 30px;max-width:54ch;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-mini{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-mini .m{display:flex;align-items:baseline;gap:9px}
.hero-mini .m b{font-size:24px;font-weight:850;letter-spacing:-.02em;color:var(--ink)}
.hero-mini .m span{font-size:13.5px;color:var(--muted)}

/* hero visual — product dataviz "monitor" */
.hero-visual{position:relative}
.monitor{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-3);overflow:hidden}
.monitor-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--tint)}
.monitor-bar i{width:10px;height:10px;border-radius:50%;background:var(--line-2);display:block}
.monitor-bar i:nth-child(1){background:#FF5F57}.monitor-bar i:nth-child(2){background:#FEBC2E}.monitor-bar i:nth-child(3){background:#28C840}
.monitor-bar .mt{margin-left:8px;font-size:12px;color:var(--muted-2);font-family:var(--mono)}
.monitor-body{padding:22px}
.mon-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.mon-head h4{font-size:14px;font-weight:700}
.mon-head .live{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--green);background:var(--green-bg);padding:4px 10px;border-radius:var(--r-pill)}
.mon-head .live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(22,163,74,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.45)}70%{box-shadow:0 0 0 7px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
.gauge{display:flex;align-items:center;gap:22px;padding-bottom:20px;border-bottom:1px dashed var(--line)}
.ring{width:104px;height:104px;flex:none;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring .rn{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.ring .rn b{font-size:32px;font-weight:850;line-height:1;color:var(--brand);letter-spacing:-.02em}
.ring .rn span{font-size:10.5px;color:var(--muted-2);font-family:var(--mono);letter-spacing:.02em;margin-top:2px}
.gauge-info .t{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.gauge-info .big{font-size:15px;font-weight:700;color:var(--green)}
.gauge-info .delta{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--muted)}
.gauge-info .delta b{color:var(--green);font-weight:700}
.gauge-info .delta svg{width:15px;height:15px;color:var(--green)}
.bars{margin-top:18px;display:flex;flex-direction:column;gap:13px}
.bar-row{display:grid;grid-template-columns:62px 1fr 40px;align-items:center;gap:12px;font-size:13px}
.bar-row .nm{color:var(--ink-2);font-weight:500}
.bar-track{height:7px;border-radius:99px;background:var(--blue-050);overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--violet));width:0;transition:width 1.1s var(--ease)}
.bar-row .pc{text-align:right;color:var(--muted);font-weight:600;font-family:var(--mono);font-size:12.5px}
.float-badge{position:absolute;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-2);padding:9px 13px;display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;z-index:3;white-space:nowrap}
.float-badge .ic{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#fff;flex:none}
.float-badge .ic svg{width:16px;height:16px}
.fb-1{top:30px;left:-26px;animation:float 5.5s var(--ease) infinite}
.fb-2{bottom:34px;right:-24px;animation:float 6.5s var(--ease) infinite .8s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ============ Platforms strip ============ */
.platforms{padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.platforms .cap{text-align:center;color:var(--muted);font-size:13.5px;margin-bottom:22px}
.plat-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 12px}
.plat{display:flex;align-items:center;gap:9px;padding:9px 17px;border-radius:var(--r-pill);background:var(--tint);border:1px solid var(--line);font-weight:600;font-size:14.5px;color:var(--ink-2);transition:.2s var(--ease)}
.plat:hover{border-color:var(--brand);color:var(--brand);background:#fff;box-shadow:var(--shadow-1)}
.plat .pi{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;flex:none}

/* ============ generic grids ============ */
.grid{display:grid;gap:22px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}

/* feature card — single border, hover shadow (no permanent ghost-shadow) */
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .24s var(--ease),box-shadow .26s var(--ease),border-color .2s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.fcard .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:var(--brand);background:var(--blue-050);margin-bottom:18px}
.fcard .ic svg{width:22px;height:22px}
.fcard h3{font-size:17.5px;font-weight:700;margin-bottom:9px;letter-spacing:-.01em}
.fcard p{font-size:14.5px;color:var(--muted);line-height:1.7}
.fcard .idx{font-family:var(--mono);font-size:12px;color:var(--muted-2);float:right}

/* ============ Tech / patents ============ */
.patent{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .24s var(--ease),box-shadow .26s var(--ease),border-color .2s;position:relative;overflow:hidden}
.patent::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--violet))}
.patent:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.patent .tag{font-size:11.5px;font-weight:700;color:var(--violet);background:var(--violet-050);padding:4px 11px;border-radius:var(--r-pill);display:inline-block;margin-bottom:16px}
.patent h3{font-size:18.5px;font-weight:750;margin-bottom:8px;letter-spacing:-.01em}
.patent .no{font-size:12px;color:var(--muted-2);font-family:var(--mono);margin-bottom:14px}
.patent>p{font-size:14px;color:var(--muted);line-height:1.7}
.patent ul{display:flex;flex-direction:column;gap:9px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.patent li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2)}
.patent li svg{width:17px;height:17px;color:var(--brand);flex:none;margin-top:2px}

/* ============ Solutions ============ */
.sol{padding:26px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:.24s var(--ease)}
.sol:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.sol .top{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sol .top .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;flex:none;color:var(--brand);background:var(--blue-050)}
.sol .top .ic svg{width:23px;height:23px}
.sol h3{font-size:16.5px;font-weight:700}
.sol .pain,.sol .fix{display:block;padding:13px 14px;border-radius:11px;font-size:13.8px;line-height:1.6}
.sol .pain{background:var(--red-bg);color:#a51f1f;margin-bottom:10px}
.sol .fix{background:var(--blue-050);color:var(--brand-700)}
.sol .pain b,.sol .fix b{display:block;font-size:11px;font-weight:700;opacity:.72;margin-bottom:3px;letter-spacing:.02em}

/* ============ Cases ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.24s var(--ease);display:flex;flex-direction:column}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.case .ch{padding:22px 22px 18px}
.case .tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:13px}
.case .tags span{font-size:11px;font-weight:600;color:var(--muted);background:var(--tint);border:1px solid var(--line);padding:3px 9px;border-radius:6px}
.case .tags span.p{color:var(--brand);background:var(--blue-050);border-color:var(--blue-100)}
.case h3{font-size:17px;font-weight:700;margin-bottom:8px}
.case .desc{font-size:13.5px;color:var(--muted);line-height:1.62}
.case .cb{padding:18px 22px;display:flex;flex-direction:column;gap:13px;flex:1;border-top:1px solid var(--line);background:var(--tint)}
.score-jump{display:flex;align-items:stretch;gap:12px}
.score-jump .sj{flex:1;text-align:center;padding:12px 8px;border-radius:11px;background:#fff;border:1px solid var(--line)}
.score-jump .sj.after{border-color:var(--blue-100);background:linear-gradient(180deg,#fff,var(--blue-050))}
.score-jump .sj .lab{font-size:10.5px;color:var(--muted-2);margin-bottom:5px;font-weight:600}
.score-jump .sj .v{font-size:28px;font-weight:850;line-height:1;font-family:var(--mono);letter-spacing:-.02em}
.score-jump .sj.before .v{color:var(--muted-2)}
.score-jump .sj.after .v{color:var(--brand)}
.score-jump .arr{display:grid;place-items:center;color:var(--brand);flex:none}
.score-jump .arr svg{width:20px;height:20px}
.metric{display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:8px 12px;border-radius:9px;background:#fff;border:1px solid var(--line)}
.metric .ml{color:var(--muted)}
.metric .mv{font-weight:700}
.metric .mv .b{color:var(--muted-2);font-family:var(--mono)}
.metric .mv .a{color:var(--green);font-family:var(--mono)}
.case .note{font-size:11.5px;color:var(--muted-2);padding:12px 22px;border-top:1px solid var(--line)}

/* ============ Stats — dark "signal" band, NOT 4 gradient big numbers ============ */
.signal{background:var(--night);color:#fff;position:relative;overflow:hidden}
.signal::before{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 120% at 85% 0%,rgba(124,92,240,.28),transparent 55%),radial-gradient(50% 100% at 10% 100%,rgba(2,106,227,.26),transparent 55%)}
.signal::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;
  mask:linear-gradient(180deg,transparent,#000 40%,#000 60%,transparent);-webkit-mask:linear-gradient(180deg,transparent,#000 40%,#000 60%,transparent)}
.signal .wrap{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,5vw,72px);align-items:center}
.signal h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.22;color:#fff}
.signal .sl{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.66);line-height:1.7;max-width:42ch}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);overflow:hidden}
.stat-cell{background:var(--night);padding:26px 24px}
.stat-cell .v{font-size:clamp(34px,4.4vw,48px);font-weight:850;line-height:1;letter-spacing:-.03em;font-family:var(--mono);color:#fff}
.stat-cell .v small{font-size:.5em;font-weight:700;color:var(--violet-300);margin-left:1px}
.stat-cell .l{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.6)}

/* ============ Resources ============ */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.res{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.24s var(--ease);display:flex;flex-direction:column;height:100%}
.res:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.res .cat{font-size:11.5px;font-weight:600;color:var(--brand);align-self:flex-start;margin-bottom:14px;display:inline-flex;align-items:center;gap:7px}
.res .cat::before{content:"";width:16px;height:2px;background:var(--brand);border-radius:2px}
.res h3{font-size:16.5px;font-weight:700;line-height:1.45;margin-bottom:10px;letter-spacing:-.01em}
.res p{font-size:13.8px;color:var(--muted);line-height:1.62;flex:1}
.res .meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2)}
.res .meta .read{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.res .meta .read svg{width:14px;height:14px;transition:transform .2s var(--ease)}
.res:hover .meta .read svg{transform:translateX(3px)}

/* ============ About ============ */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{padding:28px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.value .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:var(--brand);background:var(--blue-050);margin-bottom:18px}
.value .ic svg{width:24px;height:24px}
.value h3{font-size:18px;margin-bottom:10px;font-weight:700}
.value p{font-size:14px;color:var(--muted);line-height:1.7}
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:36px}
.why-item{display:flex;gap:16px;padding:24px;border-radius:var(--r);background:var(--tint);border:1px solid var(--line)}
.why-item .n{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--brand);flex:none;padding-top:2px}
.why-item h4{font-size:16.5px;margin-bottom:10px;font-weight:700}
.why-item ul{display:flex;flex-direction:column;gap:8px}
.why-item li{display:flex;gap:9px;font-size:13.8px;color:var(--muted);align-items:flex-start}
.why-item li svg{width:16px;height:16px;color:var(--green);flex:none;margin-top:3px}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,4vw,56px);align-items:start}
.contact-info{display:flex;flex-direction:column;gap:14px}
.ci{display:flex;gap:15px;padding:20px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.ci .ic{width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;color:var(--brand);background:var(--blue-050)}
.ci .ic.wx{color:var(--wechat);background:var(--green-bg)}
.ci .ic svg{width:23px;height:23px}
.ci h4{font-size:15.5px;margin-bottom:4px;font-weight:700}
.ci p{font-size:13.8px;color:var(--muted);line-height:1.6}
.ci p b{color:var(--ink);font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3vw,36px);box-shadow:var(--shadow-2)}
.form-card h3{font-size:22px;font-weight:800;margin-bottom:6px;letter-spacing:-.01em}
.form-card .fsub{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff;transition:.18s}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(2,106,227,.12)}
.field textarea{resize:vertical;min-height:84px}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-card .btn,.modal .btn[type=submit]{width:100%;margin-top:6px}
.form-note{font-size:12px;color:var(--muted-2);text-align:center;margin-top:14px}
.form-ok{text-align:center;padding:26px 10px}
.form-ok .ok-ic{width:62px;height:62px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;color:#fff;background:var(--green);box-shadow:0 14px 30px -10px rgba(22,163,74,.6)}
.form-ok .ok-ic svg{width:32px;height:32px}
.form-ok h3{font-size:20px;margin-bottom:8px;font-weight:800}
.form-ok p{color:var(--muted);font-size:14px;max-width:340px;margin:0 auto;line-height:1.65}

/* big CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(44px,6vw,68px) clamp(24px,5vw,56px);text-align:center;color:#fff;background:var(--grad-cta)}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.5;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:40px 40px;mask:radial-gradient(70% 90% at 50% 0%,#000,transparent);-webkit-mask:radial-gradient(70% 90% at 50% 0%,#000,transparent)}
.cta-band *{position:relative}
.cta-band h2{font-size:clamp(26px,3.6vw,40px);font-weight:850;letter-spacing:-.025em;text-wrap:balance}
.cta-band p{margin:14px auto 28px;font-size:16.5px;color:rgba(255,255,255,.85);max-width:52ch}

/* ============ Footer ============ */
.footer{background:var(--night);color:#cbd3e6;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .brand{color:#fff;margin-bottom:16px}
.footer .brand .logo{background:var(--brand)}
.footer .fdesc{font-size:13.8px;color:#8b94ad;line-height:1.7;max-width:300px}
.footer h5{color:#fff;font-size:13.5px;font-weight:700;margin-bottom:16px}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:13.8px;color:#9aa3bd;transition:color .2s}
.footer ul a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:24px;font-size:12.5px;color:#737d99}

/* ============ Modal ============ */
.modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:20px;visibility:hidden;opacity:0;transition:.26s}
.modal.open{visibility:visible;opacity:1}
.modal .scrim{position:absolute;inset:0;background:rgba(10,15,31,.55);backdrop-filter:blur(3px)}
.modal .box{position:relative;width:min(520px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:var(--r-lg);padding:clamp(26px,4vw,36px);box-shadow:var(--shadow-3);transform:translateY(14px) scale(.985);transition:transform .26s var(--ease)}
.modal.open .box{transform:none}
.modal .x{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:var(--muted);background:var(--tint)}
.modal .x:hover{background:var(--line);color:var(--ink)}
.modal .x svg{width:20px;height:20px}

/* ---- reveal (enhances an always-visible default; gated on .js only) ---- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media(max-width:980px){
  .nav,.header-cta .login{display:none}
  .burger{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:440px;margin:0 auto;width:100%}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .case-grid,.res-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .signal .wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .wrap{padding:0 18px}
  .g-4,.g-3,.g-2,.case-grid,.res-grid,.values,.why,.stat-list{grid-template-columns:1fr}
  .field-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-cta .btn{flex:1}
  .hero-mini{gap:14px 22px}
  .fb-1{left:4px;top:8px}
  .fb-2{right:4px;bottom:14px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}