/* ============================================================
   Dreamind AI — 企业官网主样式
   设计方向：深色科技感 / 极光渐变 / 玻璃拟态 / 大字重排版
   ============================================================ */

/* ---------- 1. 变量与重置 ---------- */
:root{
  --bg:#0d1528;
  --bg-2:#0e1729;
  --bg-3:#141d36;
  --ink:#eef2fc;
  --ink-2:#b7c1d8;
  --ink-3:#8692ae;
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.2);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --brand:#4f8cff;
  --brand-2:#7c5cff;
  --cyan:#22d3ee;
  --mint:#34e5b0;
  --grad:linear-gradient(100deg,#4f8cff 0%,#7c5cff 45%,#22d3ee 100%);
  --grad-soft:linear-gradient(100deg,rgba(79,140,255,.18),rgba(124,92,255,.18),rgba(34,211,238,.18));
  --shadow:0 24px 70px -30px rgba(0,0,0,.85);
  --shadow-glow:0 0 0 1px rgba(79,140,255,.28),0 22px 60px -22px rgba(79,140,255,.45);
  --r-s:10px; --r-m:16px; --r-l:22px; --r-xl:30px;
  --max:1240px;
  --nav-h:74px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-d:"Space Grotesk","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.75;
  letter-spacing:.01em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.24;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(79,140,255,.35);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sprite{display:none}

/* ---------- 2. 背景层：极光 + 网格 + 噪点 ---------- */
.bg-stage{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:
  radial-gradient(1100px 700px at 78% -8%,rgba(124,92,255,.2),transparent 62%),
  radial-gradient(900px 640px at 8% 4%,rgba(79,140,255,.18),transparent 62%),
  linear-gradient(180deg,#0d1528 0%,#111a33 45%,#0d1528 100%);}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.6;mix-blend-mode:screen;will-change:transform}
.orb-1{width:520px;height:520px;left:-140px;top:2%;background:radial-gradient(circle,#2b6bff,transparent 68%);animation:drift1 26s ease-in-out infinite}
.orb-2{width:460px;height:460px;right:-120px;top:16%;background:radial-gradient(circle,#7c5cff,transparent 68%);animation:drift2 32s ease-in-out infinite}
.orb-3{width:600px;height:600px;left:32%;top:52%;background:radial-gradient(circle,#0fb9d6,transparent 70%);opacity:.34;animation:drift3 40s ease-in-out infinite}
@keyframes drift1{50%{transform:translate3d(120px,90px,0) scale(1.12)}}
@keyframes drift2{50%{transform:translate3d(-140px,120px,0) scale(.9)}}
@keyframes drift3{50%{transform:translate3d(90px,-140px,0) scale(1.08)}}
.bg-grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:70px 70px;
  mask-image:radial-gradient(circle at 50% 22%,#000 22%,transparent 74%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 22%,transparent 74%);}
.bg-noise{position:absolute;inset:0;opacity:.16;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");}

/* ---------- 3. 布局基元 ---------- */
.wrap{position:relative;z-index:1}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 26px}
section{position:relative;padding:112px 0;scroll-margin-top:calc(var(--nav-h) + 12px)}
section.tight{padding:78px 0}
#agentStack{grid-template-columns:repeat(4,1fr)}
#aboutFacts{grid-template-columns:repeat(4,1fr)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 11px;border:1px solid var(--line-2);
  border-radius:999px;background:var(--glass);font-size:12.5px;font-weight:600;color:var(--ink-2);letter-spacing:.08em}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px var(--cyan)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;max-width:none}
.sec-head.row .btn{flex:0 0 auto}
.sec-kicker{font-family:var(--font-d);font-size:12.5px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:16px}
.sec-title{font-size:clamp(28px,4.2vw,46px);letter-spacing:-.02em}
.sec-title .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-desc{margin-top:18px;color:var(--ink-2);font-size:16.5px;max-width:660px}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent)}

/* ---------- 4. 组件：卡片 / 按钮 / 标签 ---------- */
.card{position:relative;border:1px solid var(--line);border-radius:var(--r-l);background:
  linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:border-color .35s,transform .45s,box-shadow .45s}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;opacity:0;transition:opacity .4s;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:transform .3s,box-shadow .3s,background .3s,border-color .3s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-p{background:var(--grad);color:#04060c;box-shadow:0 14px 40px -14px rgba(79,140,255,.75)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 22px 52px -14px rgba(79,140,255,.9)}
.btn-g{background:var(--glass-2);border-color:var(--line-2);color:var(--ink);backdrop-filter:blur(10px)}
.btn-g:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-s{height:44px;padding:0 20px;font-size:14px}
.btn-b{width:100%}
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  border:1px solid var(--line);background:var(--glass);color:var(--ink-2)}
.chip.on{border-color:transparent;background:var(--grad);color:#04060c}
.chip-btn{cursor:pointer;transition:.28s}
.chip-btn:hover{color:var(--ink);border-color:var(--line-2)}
.tagline{font-family:var(--font-d);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}
.ico{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.chip[hidden]{display:none}
.ico-box{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;flex:0 0 auto;
  background:var(--grad-soft);border:1px solid var(--line-2);color:var(--brand)}
.ico-box svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 5. 预加载 ---------- */
#preloader{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;background:var(--bg);transition:opacity .6s,visibility .6s}
#preloader.gone{opacity:0;visibility:hidden}
.pl-mark{font-family:var(--font-d);font-size:26px;font-weight:700;letter-spacing:.02em;display:flex;align-items:center;gap:12px}
.pl-bar{margin-top:20px;height:2px;width:190px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden}
.pl-bar i{display:block;height:100%;width:40%;background:var(--grad);border-radius:2px;animation:plSlide 1s ease-in-out infinite}
@keyframes plSlide{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}

/* ---------- 6. 顶部导航 ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--grad);z-index:1000;box-shadow:0 0 14px rgba(79,140,255,.8)}
.nav{position:fixed;top:0;left:0;right:0;z-index:900;height:var(--nav-h);display:flex;align-items:center;
  transition:background .4s,border-color .4s,backdrop-filter .4s;border-bottom:1px solid transparent}
.nav.stuck{background:rgba(14,21,40,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:var(--line)}
.nav .container{display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--font-d);font-weight:700;font-size:19px;letter-spacing:-.01em}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;
  color:#04060c;font-size:16px;font-weight:800;box-shadow:0 8px 26px -8px rgba(79,140,255,.8)}
.logo-img{height:38px;width:auto;max-width:190px;border-radius:10px;object-fit:contain}
.logo small{display:block;font-family:var(--font);font-size:10.5px;font-weight:500;letter-spacing:.14em;color:var(--ink-3);margin-top:-3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .28s,background .28s}
.nav-links a:hover{color:var(--ink);background:var(--glass)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--grad)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:var(--glass);cursor:pointer;place-items:center}
.burger i{display:block;width:17px;height:1.6px;background:var(--ink);border-radius:2px;position:relative;transition:.3s}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:17px;height:1.6px;background:var(--ink);border-radius:2px;transition:.3s}
.burger i::before{top:-5.5px}.burger i::after{top:5.5px}
.burger.on i{background:transparent}
.burger.on i::before{transform:translateY(5.5px) rotate(45deg)}
.burger.on i::after{transform:translateY(-5.5px) rotate(-45deg)}
.drawer{position:fixed;inset:var(--nav-h) 0 auto;z-index:880;background:rgba(13,20,38,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);padding:18px 26px 26px;transform:translateY(-115%);transition:transform .45s cubic-bezier(.4,0,.2,1)}
.drawer.on{transform:none}
.drawer a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600}
.drawer .btn{margin-top:20px}

/* ---------- 7. Hero ---------- */
.hero{padding:calc(var(--nav-h) + 82px) 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(38px,6.1vw,70px);line-height:1.1;letter-spacing:-.032em;font-weight:800}
.hero h1 .l2{display:block}
.hero-sub{margin-top:26px;font-size:17.5px;color:var(--ink-2);max-width:560px}
.hero-acts{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:30px;font-size:13.5px;color:var(--ink-3)}
.avatars{display:flex}
.avatars span{width:30px;height:30px;border-radius:50%;border:2px solid #121b32;margin-left:-9px;
  background:var(--grad);display:grid;place-items:center;font-size:11px;font-weight:700;color:#04060c}
.avatars span:first-child{margin-left:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}

/* Hero 可视化面板 */
.panel{position:relative;border-radius:var(--r-xl);padding:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid var(--line-2);box-shadow:var(--shadow);backdrop-filter:blur(16px);animation:floaty 9s ease-in-out infinite}
@keyframes floaty{50%{transform:translateY(-14px)}}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.panel-title{font-size:13px;font-weight:600;color:var(--ink-2);display:flex;align-items:center;gap:9px}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(52,229,176,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(52,229,176,0)}100%{box-shadow:0 0 0 0 rgba(52,229,176,0)}}
.panel-badge{font-family:var(--font-d);font-size:11.5px;color:var(--mint);border:1px solid rgba(52,229,176,.32);
  background:rgba(52,229,176,.09);padding:4px 10px;border-radius:999px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.kpi{padding:14px;border-radius:var(--r-m);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.kpi b{display:block;font-family:var(--font-d);font-size:23px;font-weight:700;letter-spacing:-.02em}
.kpi span{font-size:11.5px;color:var(--ink-3)}
.chart{height:158px;border-radius:var(--r-m);padding:14px;background:rgba(255,255,255,.03);border:1px solid var(--line);position:relative;overflow:hidden}
.bars{display:flex;align-items:flex-end;gap:9px;height:100%}
.bars i{flex:1;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,rgba(79,140,255,.95),rgba(124,92,255,.28));
  transform-origin:bottom;transform:scaleY(.06);transition:transform 1.1s cubic-bezier(.2,1.1,.3,1)}
.bars.in i{transform:scaleY(1)}
.bars i:nth-child(3n){background:linear-gradient(180deg,rgba(34,211,238,.95),rgba(34,211,238,.2))}
.chart-lb{position:absolute;left:14px;top:12px;font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.serp{margin-top:14px;display:grid;gap:8px}
.serp-row{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:13px;background:rgba(255,255,255,.035);border:1px solid var(--line);font-size:12.5px}
.serp-row em{font-style:normal;color:var(--ink-3);font-size:11px;margin-left:auto;font-family:var(--font-d)}
.serp-row b{font-family:var(--font-d);font-size:12px;min-width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  background:var(--grad);color:#04060c}
.serp-row.pend{opacity:.55}
.float-card{position:absolute;padding:12px 15px;border-radius:var(--r-m);background:rgba(17,25,46,.9);
  border:1px solid var(--line-2);backdrop-filter:blur(14px);box-shadow:var(--shadow);font-size:12.5px;display:flex;gap:10px;align-items:center}
.float-card b{font-family:var(--font-d);font-size:15px;display:block}
.fc-1{left:-34px;bottom:23%;animation:floaty 7.5s ease-in-out infinite .6s}
.fc-2{right:-26px;top:12%;animation:floaty 8.5s ease-in-out infinite 1.2s}
.hero-visual{position:relative}

/* ---------- 8. 客户滚动条 ---------- */
.marquee{padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.028);overflow:hidden;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;width:130px;height:100%;z-index:2;pointer-events:none}
.marquee::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.marquee::after{right:0;background:linear-gradient(-90deg,var(--bg),transparent)}
.mq-track{display:flex;gap:56px;width:max-content;animation:mqMove 34s linear infinite}
.marquee:hover .mq-track{animation-play-state:paused}
@keyframes mqMove{to{transform:translateX(-50%)}}
.mq-item{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-size:16px;font-weight:600;color:rgba(255,255,255,.42);
  white-space:nowrap;transition:color .3s}
.mq-item:hover{color:var(--ink)}
.mq-item i{width:22px;height:22px;border-radius:7px;background:var(--grad-soft);border:1px solid var(--line);display:grid;place-items:center;font-size:10px;color:var(--ink-2)}

/* ---------- 9. 双业务大卡 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.svc{padding:36px 34px 34px;display:flex;flex-direction:column}
.svc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.svc h3{font-size:26px;margin-top:20px}
.svc .en{font-family:var(--font-d);font-size:12px;letter-spacing:.2em;color:var(--ink-3);text-transform:uppercase}
.svc p{margin-top:14px;color:var(--ink-2);font-size:15.3px}
.svc-list{margin-top:24px;display:grid;gap:13px}
.svc-list li{display:flex;gap:12px;font-size:14.6px;color:var(--ink-2)}
.svc-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--mint);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.svc-list li b{color:var(--ink);font-weight:600}
.svc-foot{margin-top:auto;padding-top:28px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.svc-metrics{display:flex;gap:22px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.svc-metrics div b{display:block;font-family:var(--font-d);font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.svc-metrics div span{font-size:12px;color:var(--ink-3)}
.svc-glow{position:absolute;width:230px;height:230px;border-radius:50%;filter:blur(60px);opacity:.32;right:-60px;top:-60px;pointer-events:none}

/* ---------- 10. 数据指标条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;background:var(--line)}
.stat{padding:34px 26px;background:linear-gradient(180deg,rgba(19,28,52,.94),rgba(15,23,44,.96));text-align:center}
.stat b{font-family:var(--font-d);font-size:clamp(32px,4.6vw,48px);font-weight:800;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.stat b em{font-style:normal;font-size:.52em;margin-left:2px}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2)}
.stat small{display:block;margin-top:2px;font-size:11.5px;color:var(--ink-3)}

/* ---------- 11. 流程时间线 ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.flow::before{content:"";position:absolute;left:6%;right:6%;top:34px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,140,255,.5),rgba(124,92,255,.5),transparent)}
.step{position:relative;padding:0 4px}
.step-n{position:relative;z-index:2;width:68px;height:68px;border-radius:22px;display:grid;place-items:center;
  font-family:var(--font-d);font-size:21px;font-weight:700;background:var(--bg-3);border:1px solid var(--line-2);
  box-shadow:0 0 0 6px rgba(12,18,34,.9),0 16px 40px -18px rgba(79,140,255,.6);color:var(--ink)}
.step:hover .step-n{border-color:transparent;background:var(--grad);color:#04060c;transform:translateY(-4px) rotate(-3deg);transition:.4s}
.step h4{margin-top:22px;font-size:19px}
.step p{margin-top:10px;font-size:14.3px;color:var(--ink-2)}
.step .dur{margin-top:14px;display:inline-block;font-family:var(--font-d);font-size:11.5px;letter-spacing:.1em;color:var(--cyan);
  border:1px solid rgba(34,211,238,.28);border-radius:999px;padding:4px 11px}

/* ---------- 12. 能力矩阵 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cap{padding:28px 26px}
.cap h4{font-size:18px;margin-top:20px}
.cap p{margin-top:11px;font-size:14.4px;color:var(--ink-2)}
.cap .cap-i{position:absolute;right:22px;top:24px;font-family:var(--font-d);font-size:12px;color:rgba(255,255,255,.16);letter-spacing:.1em}

/* ---------- 13. 案例 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;align-items:center}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{cursor:pointer;padding:0}
.case-cover{position:relative;height:186px;overflow:hidden;background:linear-gradient(135deg,#1a2542,#131d38)}
.case-cover::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 20% 0%,rgba(79,140,255,.42),transparent 62%),
  radial-gradient(100% 90% at 100% 100%,rgba(124,92,255,.4),transparent 60%)}
.case-cover .glyph{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-d);font-size:46px;font-weight:800;
  color:rgba(255,255,255,.9);z-index:1;letter-spacing:.06em;text-shadow:0 10px 40px rgba(0,0,0,.5)}
.case-cover .lines{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:100% 13px}
.case-body{padding:22px 22px 24px}
.case-body .meta{display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--ink-3);font-family:var(--font-d);letter-spacing:.1em;text-transform:uppercase}
.case-body h4{font-size:17.5px;margin-top:12px;line-height:1.45}
.case-body p{margin-top:9px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-res{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-2);display:flex;align-items:baseline;gap:8px}
.case-res b{font-family:var(--font-d);font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-res span{font-size:12.5px;color:var(--ink-3)}
.case:hover .case-cover .glyph{transform:scale(1.06);transition:.6s}
.case .view{position:absolute;right:16px;top:16px;z-index:2;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(6,9,16,.6);border:1px solid var(--line-2);opacity:0;transform:translateY(-6px);transition:.35s}
.case:hover .view{opacity:1;transform:none}
.case .view svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:2}
.empty{padding:52px;text-align:center;color:var(--ink-3);border:1px dashed var(--line-2);border-radius:var(--r-l)}

/* ---------- 14. 洞察 / 文章 ---------- */
.post-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px}
.post-list{display:grid;gap:14px}
.post{padding:22px 24px;cursor:pointer;display:flex;flex-direction:column}
.post-lead{padding:32px 30px;justify-content:flex-end;min-height:340px;position:relative;overflow:hidden}
.post-lead{background:
  radial-gradient(120% 110% at 8% 0%,rgba(79,140,255,.34),transparent 58%),
  radial-gradient(110% 100% at 100% 100%,rgba(124,92,255,.3),transparent 58%),linear-gradient(180deg,#131d36,#111a30)}
.post-lead h4{font-size:25px;line-height:1.4}
.post .date{font-family:var(--font-d);font-size:11.5px;letter-spacing:.12em;color:var(--ink-3)}
.post h4{margin-top:11px;font-size:17px;line-height:1.5}
.post p{margin-top:9px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post .rd{margin-top:16px;font-size:12.5px;color:var(--brand);display:flex;align-items:center;gap:7px}
.post .rd svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ---------- 15. FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.qa{border:1px solid var(--line);border-radius:var(--r-m);background:var(--glass);overflow:hidden;transition:.35s}
.qa.on{border-color:rgba(79,140,255,.4);background:rgba(255,255,255,.055)}
.qa>button{width:100%;display:flex;align-items:center;gap:16px;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:15.8px;font-weight:600}
.qa>button .sign{margin-left:auto;width:26px;height:26px;flex:0 0 auto;position:relative}
.qa>button .sign::before,.qa>button .sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink-2);border-radius:2px;transition:.35s}
.qa>button .sign::before{width:13px;height:1.8px;transform:translate(-50%,-50%)}
.qa>button .sign::after{width:1.8px;height:13px;transform:translate(-50%,-50%)}
.qa.on .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1)}
.qa .ans p{padding:0 22px 22px;color:var(--ink-2);font-size:14.8px}
.qa .idx{font-family:var(--font-d);font-size:12.5px;color:var(--ink-3);width:26px;flex:0 0 auto}

/* ---------- 16. CTA 条 ---------- */
.cta-band{position:relative;padding:64px 56px;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line-2);
  background:radial-gradient(110% 140% at 0% 0%,rgba(79,140,255,.3),transparent 55%),
  radial-gradient(100% 130% at 100% 100%,rgba(124,92,255,.28),transparent 55%),linear-gradient(180deg,#14203c,#0e1a30)}
.cta-band h2{font-size:clamp(26px,3.8vw,40px);letter-spacing:-.02em;max-width:640px}
.cta-band p{margin-top:16px;color:var(--ink-2);max-width:560px}
.cta-band .acts{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.cta-rings{position:absolute;right:-90px;top:50%;transform:translateY(-50%);width:420px;height:420px;pointer-events:none;opacity:.55}
.cta-rings i{position:absolute;inset:0;border:1px solid rgba(255,255,255,.14);border-radius:50%;animation:ringPulse 4.4s ease-in-out infinite}
.cta-rings i:nth-child(2){inset:60px;animation-delay:.7s}
.cta-rings i:nth-child(3){inset:120px;animation-delay:1.4s}
@keyframes ringPulse{0%,100%{transform:scale(.94);opacity:.35}50%{transform:scale(1.04);opacity:.8}}

/* ---------- 17. 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:26px;align-items:start}
.info-list{display:grid;gap:14px;margin-top:30px}
.info-item{display:flex;gap:15px;align-items:flex-start;padding:18px;border-radius:var(--r-m);border:1px solid var(--line);background:var(--glass)}
.info-item b{display:block;font-size:14.6px}
.info-item span{font-size:14px;color:var(--ink-2)}
.info-item small{display:block;margin-top:3px;font-size:12px;color:var(--ink-3)}
.form{padding:32px 30px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:9px;letter-spacing:.02em}
.field label i{color:var(--brand);font-style:normal}
.field input,.field textarea,.field select{width:100%;padding:14px 16px;border-radius:13px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);transition:.3s;font-size:15px}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:rgba(79,140,255,.7);background:rgba(79,140,255,.07);
  box-shadow:0 0 0 4px rgba(79,140,255,.12)}
.field.err input,.field.err textarea,.field.err select{border-color:#ff6b81;box-shadow:0 0 0 4px rgba(255,107,129,.12)}
.field .tip{display:none;margin-top:7px;font-size:12.3px;color:#ff9aa8}
.field.err .tip{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-foot small{font-size:12.2px;color:var(--ink-3)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8b2c8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:42px}

/* ---------- 18. 页脚 ---------- */
.footer{position:relative;z-index:1;border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(12,18,34,.94));padding:66px 0 30px}
.f-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:36px}
.f-about p{margin-top:18px;font-size:14px;color:var(--ink-2);max-width:330px}
.f-col h5{font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:700;margin-bottom:18px;font-family:var(--font-d)}
.f-col li{margin-bottom:11px}
.f-col a{font-size:14.3px;color:var(--ink-2);transition:.28s}
.f-col a:hover{color:var(--ink);padding-left:4px}
.f-bot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.f-bot small{font-size:12.6px;color:var(--ink-3)}
.f-social{display:flex;gap:10px}
.f-social a{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;transition:.3s;background:var(--glass)}
.f-social a:hover{border-color:var(--brand);transform:translateY(-3px);background:rgba(79,140,255,.12)}
.f-social svg{width:17px;height:17px;stroke:var(--ink-2);fill:none;stroke-width:1.7}

/* ---------- 19. 弹层：文章阅读 / 提示 ---------- */
.modal{position:fixed;inset:0;z-index:1200;display:grid;place-items:center;padding:26px;
  background:rgba(9,14,28,.84);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:.4s}
.modal.on{opacity:1;visibility:visible}
.modal-box{position:relative;width:min(880px,100%);max-height:86vh;overflow:auto;border-radius:var(--r-xl);
  border:1px solid var(--line-2);background:linear-gradient(180deg,#121c34,#111a30);padding:46px 48px;
  transform:translateY(22px) scale(.98);transition:.45s cubic-bezier(.3,1.2,.4,1)}
.modal.on .modal-box{transform:none}
.modal-x{position:absolute;right:20px;top:20px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);
  background:var(--glass);cursor:pointer;display:grid;place-items:center;transition:.3s}
.modal-x:hover{background:rgba(255,255,255,.12);transform:rotate(90deg)}
.modal-x svg{width:15px;height:15px;stroke:var(--ink);stroke-width:2;fill:none}
.reader h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.02em;margin-top:14px}
.reader .r-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.reader .r-body{margin-top:26px;font-size:16px;color:#d7ddec;line-height:1.95}
.reader .r-body h3{margin:30px 0 12px;font-size:20px}
.reader .r-body p{margin-bottom:16px}
.reader .r-body ul{margin:0 0 18px;padding-left:2px;display:grid;gap:9px}
.reader .r-body li{position:relative;padding-left:20px;color:var(--ink-2)}
.reader .r-body li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.reader .r-body blockquote{margin:0 0 18px;padding:16px 20px;border-left:2px solid var(--brand);background:rgba(79,140,255,.08);
  border-radius:0 13px 13px 0;color:var(--ink-2);font-size:15.2px}
.reader .r-body strong{color:#fff}
#toast{position:fixed;left:50%;bottom:44px;transform:translate(-50%,26px);z-index:1500;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.tst{padding:14px 22px;border-radius:999px;font-size:14.5px;font-weight:600;color:#04060c;background:var(--grad);
  box-shadow:0 18px 46px -14px rgba(79,140,255,.7);opacity:0;transform:translateY(14px);transition:.4s;display:flex;gap:9px;align-items:center}
.tst.on{opacity:1;transform:none}
.tst.bad{background:linear-gradient(100deg,#ff6b81,#ffa07a)}

/* 返回顶部 */
.totop{position:fixed;right:26px;bottom:26px;z-index:950;width:48px;height:48px;border-radius:16px;cursor:pointer;
  border:1px solid var(--line-2);background:rgba(17,25,46,.86);backdrop-filter:blur(12px);display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(14px);transition:.4s}
.totop.on{opacity:1;visibility:visible;transform:none}
.totop:hover{border-color:var(--brand);background:rgba(79,140,255,.16)}
.totop svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2}

/* ---------- 20. 滚动揭示 ---------- */
[data-rv]{opacity:0;transform:translateY(26px);transition:opacity .85s cubic-bezier(.2,.8,.3,1),transform .85s cubic-bezier(.2,.8,.3,1)}
[data-rv].in{opacity:1;transform:none}
[data-rv="left"]{transform:translateX(-30px)}
[data-rv="right"]{transform:translateX(30px)}
[data-rv="zoom"]{transform:scale(.94)}

/* ---------- 21. 响应式 ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero-visual{max-width:520px}
  .post-grid{grid-template-columns:1fr}
  .stats,.flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .grid-3,.case-grid{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .fc-1,.fc-2{display:none}
}
@media (max-width:760px){
  :root{--nav-h:66px}
  section{padding:78px 0}
  .container{padding:0 18px}
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:grid}
  .hero{padding-top:calc(var(--nav-h) + 46px)}
  .svc-grid,.grid-3,.grid-2,.case-grid,.contact-grid,.stats,.field-row{grid-template-columns:1fr}
  .stat{padding:26px 18px}
  .cta-band{padding:40px 26px}
  .modal-box{padding:32px 22px}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .panel{padding:16px}
  .f-grid{grid-template-columns:1fr}
  .btn{height:48px;padding:0 21px;font-size:14.5px}
  .sec-head{margin-bottom:38px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  [data-rv]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}