/* ============================================================
   WhiGen · 官网样式
   蓝紫渐变 · 玻璃拟态 · 高端暗色 hero → 浅色内容区 → 深色 CTA
   ============================================================ */

:root{
  --bg:#0F1028;
  --bg-2:#13153A;
  --ink:#0A0B1F;
  --muted:#6B7294;
  --text:#1F2340;
  --text-soft:#3C416A;
  --paper:#FFFFFF;
  --paper-2:#F6F7FC;
  --line:rgba(15,16,40,.08);
  --line-strong:rgba(15,16,40,.14);
  --brand-1:#7B61FF;   /* 紫 */
  --brand-2:#3370FF;   /* 蓝 */
  --brand-3:#06B6D4;   /* 青 */
  --accent:#10B981;
  --danger:#EF4444;
  --grad:linear-gradient(135deg,#7B61FF 0%,#3370FF 60%,#06B6D4 100%);
  --grad-soft:linear-gradient(135deg,rgba(123,97,255,.16) 0%,rgba(51,112,255,.12) 100%);
  --shadow:0 20px 60px -20px rgba(15,16,40,.35);
  --shadow-2:0 12px 30px -16px rgba(123,97,255,.35);
  --radius:20px;
  --radius-lg:28px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.6;
  font-feature-settings:"cv11","ss01","ss03";
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
button{font-family:inherit}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:720px){.wrap{padding:0 20px}}

/* ================= 品牌色通用 ================= */
.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:12px;font-weight:600;font-size:14px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  text-decoration:none;user-select:none;
}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.xl{padding:16px 26px;font-size:16px;border-radius:14px}
.btn.xxl{padding:18px 30px;font-size:17px;border-radius:16px}
.btn.block{width:100%}
.btn.primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 24px -12px rgba(123,97,255,.55), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(123,97,255,.65)}
.btn.ghost{
  background:rgba(255,255,255,.6);
  color:var(--ink);
  border-color:var(--line-strong);
  backdrop-filter:saturate(140%) blur(10px);
}
.btn.ghost:hover{background:rgba(255,255,255,.95);border-color:var(--brand-2)}
kbd{
  display:inline-block;padding:1px 6px;font-size:12px;border-radius:6px;
  background:rgba(15,16,40,.08);border:1px solid var(--line-strong);
  font-family:inherit;font-weight:600;color:var(--text);margin:0 2px;
}

/* ================= 玻璃 ================= */
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.5));
  border:1px solid rgba(255,255,255,.55);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-radius:var(--radius-lg);
}

/* ================= 导航 ================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.on{
  background:rgba(255,255,255,.75);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 32px;
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand .brand-name{font-weight:800;font-size:18px;color:#fff;letter-spacing:-.01em}
.brand .brand-name em{font-style:normal;font-weight:500;font-size:13px;color:rgba(255,255,255,.7);margin-left:6px}
.nav:not(.on) .brand .brand-name{color:#fff}
.nav.on .brand .brand-name{color:var(--ink)}
.nav.on .brand .brand-name em{color:var(--muted)}
.nav-links{
  display:flex;align-items:center;gap:26px;margin-left:auto;
  font-size:14px;font-weight:500;
}
.nav-links a{color:rgba(255,255,255,.85);transition:color .18s ease;position:relative}
.nav-links a:hover{color:#fff}
.nav.on .nav-links a{color:var(--text-soft)}
.nav.on .nav-links a:hover{color:var(--brand-2)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.25)}
.nav-cta .ghost:hover{background:rgba(255,255,255,.22)}
.nav.on .nav-cta .ghost{background:rgba(255,255,255,.8);color:var(--ink);border-color:var(--line-strong)}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;width:38px;height:38px;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:10px}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:.2s}
.nav.on .nav-burger span{background:var(--ink)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-mobile{
  display:none;padding:10px 24px 20px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.nav-mobile.open{display:flex;flex-direction:column;gap:12px}
.nav-mobile a{font-weight:500;padding:10px 4px;border-bottom:1px dashed var(--line)}
.nav-mobile a.btn{border-bottom:0;text-align:center}
@media (max-width:960px){
  .nav-links,.nav-cta .ghost{display:none}
  .nav-burger{display:flex;margin-left:auto}
}

/* ================= HERO ================= */
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 120px;
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(123,97,255,.55), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(51,112,255,.55), transparent 55%),
    radial-gradient(700px 700px at 50% 120%, rgba(6,182,212,.25), transparent 60%),
    linear-gradient(180deg, #0B0C25 0%, #0F1028 60%, #141645 100%);
  color:#fff;
}
.grid-bg{
  position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at 50% 0%, #000 35%, transparent 75%);
}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;mix-blend-mode:screen;pointer-events:none}
.blob.b1{width:480px;height:480px;left:-120px;top:80px;background:#7B61FF;animation:float 18s ease-in-out infinite}
.blob.b2{width:460px;height:460px;right:-140px;top:40px;background:#3370FF;animation:float 22s ease-in-out infinite reverse}
.blob.b3{width:500px;height:500px;left:40%;bottom:-220px;background:#06B6D4;opacity:.35;animation:float 26s ease-in-out infinite}
@keyframes float{
  0%,100%{transform:translateY(0) translateX(0)}
  50%{transform:translateY(-24px) translateX(12px)}
}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 32px;text-align:center}
.hero .pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px);
  font-size:13px;color:rgba(255,255,255,.85);
  margin-bottom:28px;
}
.hero .pill .dot{width:8px;height:8px;border-radius:50%;background:#10B981;box-shadow:0 0 0 4px rgba(16,185,129,.25);animation:pulse 1.8s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(16,185,129,.35)}
  70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}
  100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}
}
.h1{
  font-size:68px;line-height:1.05;letter-spacing:-.03em;color:#fff;
  font-weight:800;margin:0 auto 22px;max-width:960px;
}
@media (max-width:820px){.h1{font-size:44px}}
@media (max-width:520px){.h1{font-size:34px}}
.hero .sub{
  max-width:720px;margin:0 auto 34px;
  font-size:17px;color:rgba(255,255,255,.78);line-height:1.7;
}
@media (max-width:520px){.hero .sub{font-size:15px}}
.herocta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:46px}
.hero .btn.ghost.xl{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.hero .btn.ghost.xl:hover{background:rgba(255,255,255,.18)}

.proof{
  list-style:none;padding:0;margin:0 auto 60px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:860px;
}
.proof li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;
  padding:14px 10px;text-align:center;backdrop-filter:blur(8px);
}
.proof b{display:block;font-size:28px;font-weight:800;background:linear-gradient(135deg,#fff,#CFC8FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.proof span{font-size:12px;color:rgba(255,255,255,.65)}
@media (max-width:640px){.proof{grid-template-columns:repeat(2,1fr)}}

/* Product preview */
.preview{margin:0 auto;max-width:1080px;text-align:left;border-radius:20px;overflow:hidden}
.preview-bar{
  display:flex;align-items:center;gap:14px;
  padding:12px 18px;
  background:linear-gradient(180deg,rgba(255,255,255,.85),rgba(255,255,255,.6));
  border-bottom:1px solid rgba(15,16,40,.08);
}
.preview-bar .dots{display:flex;gap:6px}
.preview-bar .dots i{width:11px;height:11px;border-radius:50%;background:#E2E5F0}
.preview-bar .dots i:nth-child(1){background:#FF5F57}
.preview-bar .dots i:nth-child(2){background:#FEBC2E}
.preview-bar .dots i:nth-child(3){background:#28C840}
.preview-url{flex:1;text-align:center;font-size:12px;color:var(--muted);background:#fff;padding:5px 14px;border-radius:8px;border:1px solid var(--line)}
.preview-ai-tag{font-size:11px;font-weight:600;color:#fff;background:var(--grad);padding:4px 10px;border-radius:999px}
.preview-body{display:grid;grid-template-columns:220px 1fr;min-height:420px;max-height:520px}
.pv-sidebar{border-right:1px solid var(--line);padding:16px 12px;background:rgba(255,255,255,.35)}
.pv-item{padding:10px 12px;border-radius:10px;font-size:13px;color:var(--text-soft);margin-bottom:4px;font-weight:500;cursor:pointer;transition:.2s}
.pv-item:hover{background:rgba(123,97,255,.08)}
.pv-item.on{background:var(--grad-soft);color:var(--brand-1);font-weight:600}
.pv-chat{padding:20px;display:flex;flex-direction:column;gap:14px;overflow:hidden;background:linear-gradient(180deg,rgba(123,97,255,.06),rgba(51,112,255,.02))}
.pv-banner{
  padding:10px 14px;border-radius:12px;
  background:linear-gradient(90deg,rgba(51,112,255,.1),rgba(123,97,255,.08));
  border:1px solid rgba(51,112,255,.2);
  font-size:13px;font-weight:600;color:var(--brand-2);
}
.bubble{padding:12px 14px;border-radius:14px;font-size:14px;line-height:1.65;max-width:86%}
.bubble.user{background:#E9EFFF;color:var(--ink);align-self:flex-end;border-bottom-right-radius:4px;margin-left:auto}
.bubble.ai{background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--text)}
.ai-head{font-size:12px;color:var(--muted);margin-bottom:8px}
.ai-head b{color:var(--text)}
.tool-chip{
  display:inline-block;margin-right:8px;margin-bottom:8px;
  padding:4px 10px;font-size:11px;border-radius:999px;
  background:rgba(6,182,212,.1);color:#0E7490;border:1px solid rgba(6,182,212,.25);font-weight:600;
}
.ai-ans{font-size:13.5px;color:var(--text)}
.ai-ans .red{color:var(--danger)}
.cards{margin-top:12px;display:grid;gap:10px}
.artifact{
  display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;
  padding:12px;border-radius:12px;background:#fff;border:1px solid var(--line);
}
.art-icon{width:40px;height:40px;border-radius:10px;background:var(--grad-soft);display:grid;place-items:center;font-size:20px}
.art-title{font-weight:600;font-size:13.5px;color:var(--ink)}
.art-meta{font-size:12px;color:var(--muted)}
.artifact span{font-size:12px;color:var(--brand-2);font-weight:600}
.composer{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:14px;
  background:#fff;border:1px solid var(--line-strong);box-shadow:0 8px 30px -20px rgba(15,16,40,.3);
}
.composer span{flex:1;font-size:13px;color:var(--muted)}
.composer button{
  border:0;background:var(--grad);color:#fff;width:34px;height:34px;border-radius:10px;
  cursor:pointer;font-size:14px;
}
@media (max-width:820px){
  .preview-body{grid-template-columns:1fr;max-height:none}
  .pv-sidebar{display:none}
  .bubble{max-width:95%}
}

.scroll-hint{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.6);
  letter-spacing:.15em;text-transform:uppercase;
}
.scroll-hint span{
  width:24px;height:38px;border-radius:14px;border:1.5px solid rgba(255,255,255,.4);position:relative;display:inline-block;
}
.scroll-hint span::after{
  content:"";position:absolute;left:50%;top:8px;transform:translateX(-50%);
  width:3px;height:7px;border-radius:3px;background:rgba(255,255,255,.85);
  animation:drop 1.8s infinite;
}
@keyframes drop{0%{opacity:0;top:6px}30%{opacity:1}100%{opacity:0;top:22px}}

/* ================= LOGOS ================= */
.logos{padding:60px 0 40px;background:var(--paper-2);border-bottom:1px solid var(--line)}
.logos-title{text-align:center;font-size:13px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase;font-weight:600;margin-bottom:22px}
.logos-row{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
}
.logos-row span{
  padding:10px 18px;border-radius:12px;background:#fff;border:1px solid var(--line);
  color:var(--text-soft);font-weight:500;font-size:14px;
  transition:.2s;opacity:.85;
}
.logos-row span:hover{opacity:1;border-color:var(--brand-2);color:var(--brand-1)}

/* ================= 通用 section ================= */
.sec{padding:120px 0;position:relative}
.sec.alt{background:var(--paper-2)}
.sec-head{text-align:center;max-width:820px;margin:0 auto 64px}
.sec-head .tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--grad-soft);color:var(--brand-1);
  font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:18px;
}
.sec-head h2{font-size:44px;line-height:1.2;letter-spacing:-.025em}
.sec-head h2 em{font-style:normal;font-weight:400;color:var(--muted);margin:0 .4em}
.sec-head .lede{margin-top:16px;font-size:16.5px;color:var(--text-soft);line-height:1.8}
@media (max-width:720px){
  .sec{padding:80px 0}
  .sec-head h2{font-size:30px}
}

/* ================= DUAL ================= */
.duals{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.dual-card{padding:36px 32px;display:flex;flex-direction:column;gap:22px;position:relative;overflow:hidden}
.dual-card::before{
  content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(123,97,255,.2),transparent);
}
.dual-card.b::before{background:radial-gradient(closest-side,rgba(51,112,255,.2),transparent)}
.dual-top{position:relative}
.mode-chip{display:inline-block;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;background:#F1ECFF;color:#6D4CE5}
.mode-chip.ai{background:#E6EEFF;color:#2A5DDB}
.dual-card h3{font-size:22px;margin:14px 0 8px}
.dual-card p{color:var(--text-soft);font-size:14.5px;line-height:1.75}
.feat-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;position:relative}
.feat-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);font-weight:500}
.chk{display:inline-block;width:20px;height:20px;border-radius:6px;background:var(--accent);position:relative;flex-shrink:0}
.chk::after{content:"";position:absolute;left:6px;top:3px;width:5px;height:10px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
.chk.ai{background:var(--brand-2)}
.mock{
  border-radius:16px;border:1px solid var(--line);background:#fff;padding:14px;
  box-shadow:0 10px 30px -20px rgba(15,16,40,.3);
}
.mock-desktop{display:grid;grid-template-columns:56px 1fr 1.2fr;gap:10px;height:200px}
.mock-desktop .m-left{display:flex;flex-direction:column;gap:10px;padding:6px;background:var(--paper-2);border-radius:12px}
.m-icon{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#E5E7EB,#D7DAEA);margin:0 auto}
.m-icon.on{background:var(--grad)}
.mock-desktop .m-mid{background:var(--paper-2);border-radius:12px;padding:10px;display:grid;gap:8px;align-content:start}
.m-row{height:26px;border-radius:8px;background:#fff;border:1px solid var(--line)}
.m-row.on{border-color:transparent;background:var(--grad);opacity:.35}
.mock-desktop .m-right{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;align-content:start;gap:10px}
.m-title{height:16px;width:60%;border-radius:6px;background:var(--paper-2)}
.m-block{height:60px;border-radius:10px;background:linear-gradient(135deg,var(--paper-2),#fff);border:1px dashed var(--line)}
.m-block.s{height:44px}
.mock-chat{display:grid;gap:10px;height:200px;padding:14px}
.mc-role{font-size:12px;font-weight:700;color:var(--brand-2)}
.mc-bubble{padding:10px 12px;border-radius:12px;font-size:13px;line-height:1.55}
.mc-bubble.u{background:#E9EFFF;color:var(--ink);max-width:80%;justify-self:end;border-bottom-right-radius:4px}
.mc-bubble.a{background:#fff;border:1px solid var(--line);color:var(--text)}
.mc-art{display:inline-block;margin-top:6px;padding:4px 10px;border-radius:8px;background:var(--grad-soft);color:var(--brand-1);font-weight:600;font-size:12px}
.mc-composer{height:34px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;margin-top:auto}
@media (max-width:900px){.duals{grid-template-columns:1fr}}

/* ================= CORE ================= */
.core-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.core-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 22px;
  transition:.25s ease;position:relative;overflow:hidden;
}
.core-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px -24px rgba(123,97,255,.35);border-color:rgba(123,97,255,.35)}
.core-card::after{
  content:"";position:absolute;top:-40px;right:-40px;width:140px;height:140px;border-radius:50%;
  background:var(--grad-soft);opacity:0;transition:.3s;
}
.core-card:hover::after{opacity:.7}
.core-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;
  margin-bottom:16px;position:relative;z-index:1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
}
.core-ico.oa{background:linear-gradient(135deg,#FACC15,#F59E0B)}
.core-ico.task{background:linear-gradient(135deg,#FB923C,#F97316)}
.core-ico.doc{background:linear-gradient(135deg,#34D399,#10B981)}
.core-ico.kb{background:linear-gradient(135deg,#60A5FA,#2563EB)}
.core-card h3{font-size:18px;margin-bottom:8px;position:relative;z-index:1}
.core-card > p{font-size:14px;color:var(--text-soft);line-height:1.7;margin-bottom:14px;position:relative;z-index:1}
.core-card ul{list-style:none;padding:0;margin:0;display:grid;gap:7px;position:relative;z-index:1}
.core-card li{
  font-size:13px;color:var(--text);padding:6px 10px;border-radius:8px;background:var(--paper-2);
}
@media (max-width:1020px){.core-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.core-grid{grid-template-columns:1fr}}

/* ================= AGENTS ================= */
.agent-rail{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.agent-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;
  display:flex;flex-direction:column;gap:14px;position:relative;transition:.25s;
}
.agent-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px -22px rgba(123,97,255,.28);border-color:rgba(123,97,255,.35)}
.agent-card.pop{
  border:1.5px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:0 24px 60px -22px rgba(123,97,255,.45);
}
.ac-hot{
  position:absolute;top:-10px;left:24px;padding:4px 12px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:11px;font-weight:700;letter-spacing:.05em;
  box-shadow:0 6px 16px -6px rgba(123,97,255,.5);
}
.ac-head{display:flex;gap:12px;align-items:center}
.ac-icon{width:50px;height:50px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;font-size:24px}
.ac-vendor{font-size:12px;color:var(--muted);margin-top:2px}
.ac-desc{font-size:13.5px;color:var(--text-soft);line-height:1.7}
.ac-tags{display:flex;flex-wrap:wrap;gap:6px}
.ac-tags span{padding:4px 10px;border-radius:999px;background:var(--paper-2);color:var(--text-soft);font-size:11.5px;font-weight:500}
.agent-card.more{
  background:var(--grad);color:#fff;border:0;display:grid;place-items:center;text-align:center;
  box-shadow:0 24px 60px -22px rgba(123,97,255,.55);
}
.ac-more span{font-size:46px;font-weight:800;line-height:1;display:block;margin-bottom:12px}
.ac-more{font-size:15px;font-weight:500}
.ac-more em{display:block;font-size:12px;opacity:.85;font-weight:400;margin-top:6px}
@media (max-width:920px){.agent-rail{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.agent-rail{grid-template-columns:1fr}}

/* ================= ARCH ================= */
.arch{max-width:900px;margin:0 auto;display:grid;gap:0}
.arch-layer{
  border-radius:20px;padding:22px 26px;position:relative;overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:0 20px 50px -24px rgba(15,16,40,.25);
}
.arch-layer.top{background:linear-gradient(135deg,#F5F3FF,#EEF4FF)}
.arch-layer.mid{background:linear-gradient(135deg,#FFF7ED,#EFF6FF);margin-top:-14px}
.arch-layer.bot{background:linear-gradient(135deg,#ECFDF5,#EEF2FF);margin-top:-14px}
.layer-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;font-weight:700;color:var(--ink);font-size:15.5px}
.layer-title span{font-weight:500;color:var(--muted);font-size:12.5px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:8px 14px;border-radius:10px;background:rgba(255,255,255,.8);
  border:1px solid var(--line);font-size:13px;font-weight:500;color:var(--text);
}
.chip.b{background:#FDE68A;border-color:#F59E0B40;color:#7C2D12}
.chip.c{background:#CFFAFE;border-color:#0891B240;color:#155E75}
.chip.d{background:#E0E7FF;border-color:#4F46E540;color:#3730A3}
.arrow{
  text-align:center;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.1em;
  padding:14px 0;background-image:linear-gradient(180deg,transparent 42%, var(--line) 42%, var(--line) 58%, transparent 58%);
  background-repeat:no-repeat;background-size:2px 100%;background-position:center;
}

/* ================= INDUSTRY ================= */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ind-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  transition:.2s;display:flex;align-items:center;gap:16px;
}
.ind-card:hover{transform:translateY(-2px);border-color:rgba(123,97,255,.35);box-shadow:var(--shadow-2)}
.ind-ico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:28px;
  background:var(--grad-soft);flex-shrink:0;
}
.ind-card h4{font-size:16px;margin-bottom:4px}
.ind-card p{font-size:13px;color:var(--text-soft)}
@media (max-width:920px){.industry-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.industry-grid{grid-template-columns:1fr}}

/* ================= CTA ================= */
.cta-sec{
  position:relative;overflow:hidden;padding:130px 0;
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(123,97,255,.5), transparent 60%),
    radial-gradient(800px 500px at 90% 100%, rgba(51,112,255,.5), transparent 60%),
    linear-gradient(180deg,#0B0C25 0%, #0F1028 100%);
  color:#fff;
}
.cta-wrap{text-align:center;position:relative;z-index:2}
.cta-h{font-size:52px;line-height:1.1;color:#fff;letter-spacing:-.03em}
@media (max-width:720px){.cta-h{font-size:32px}}
.cta-sub{font-size:17px;color:rgba(255,255,255,.75);margin:18px auto 30px;max-width:680px;line-height:1.8}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-sec .btn.ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.25)}
.cta-sec .btn.ghost:hover{background:rgba(255,255,255,.2)}
.cta-proof{
  list-style:none;padding:0;margin:42px auto 0;display:flex;gap:28px;flex-wrap:wrap;justify-content:center;
  color:rgba(255,255,255,.8);font-size:14px;
}

/* ================= FOOTER ================= */
.foot{background:#0A0B1F;color:rgba(255,255,255,.7);padding:60px 0 40px;border-top:1px solid rgba(255,255,255,.06)}
.foot .brand .brand-name{color:#fff}
.foot-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.foot-col.brand p{font-size:13.5px;line-height:1.8;margin:14px 0 16px;color:rgba(255,255,255,.55)}
.foot-col h5{font-size:14px;margin:0 0 16px;color:#fff;letter-spacing:.02em}
.foot-col a,.foot-col span{display:block;margin-bottom:10px;font-size:13.5px;color:rgba(255,255,255,.65);transition:.18s}
.foot-col a:hover{color:#fff}
.beian a{font-size:12px;color:rgba(255,255,255,.4)}
@media (max-width:820px){.foot-inner{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-inner{grid-template-columns:1fr}}

/* ================= Reveal 动画 ================= */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.on{opacity:1;transform:none}