/* =========================================================
   Loom 织元 · 官方网站
   品牌色源自「流线织」标识：#6157F5 → #2F7BE0 → #19C3C9
   字体：PingFang SC / Helvetica 系（与品牌规范一致）
   ========================================================= */

:root{
  --g1:#6157F5;
  --g2:#2F7BE0;
  --g3:#19C3C9;

  --navy:#091C4C;
  --ink:#1F2D47;
  --muted:#7B879B;
  --line:#E4E9F2;
  --bg:#FFFFFF;
  --bg-tint:#F6F8FC;

  --dark:#070C1C;
  --dark-2:#0C1430;
  --dark-line:rgba(255,255,255,.10);
  --dark-text:rgba(255,255,255,.78);
  --dark-muted:rgba(255,255,255,.52);

  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(16,32,64,.05), 0 6px 18px rgba(16,32,64,.06);
  --shadow-md:0 2px 6px rgba(16,32,64,.06), 0 18px 48px rgba(16,32,64,.10);
  --shadow-lg:0 4px 12px rgba(16,32,64,.08), 0 40px 90px rgba(9,28,76,.16);

  --maxw:1180px;
  --nav-h:68px;

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
code{font-family:var(--mono);font-size:.88em;background:rgba(97,87,245,.09);color:#4436d6;padding:.1em .38em;border-radius:5px}
strong,b{font-weight:600}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hide-sm{display:inline}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:11px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,background .18s,border-color .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:12px}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--g1) 0%,var(--g2) 52%,var(--g3) 100%);
  box-shadow:0 6px 20px rgba(97,87,245,.30), 0 2px 6px rgba(47,123,224,.22);
}
.btn-primary:hover{box-shadow:0 10px 30px rgba(97,87,245,.40), 0 3px 8px rgba(47,123,224,.26)}
.btn-ghost{color:var(--ink);background:rgba(255,255,255,.72);border-color:var(--line);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:#C9D3E6;background:#fff}
.btn-outline{color:#fff;border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.05)}
.btn-outline:hover{border-color:rgba(255,255,255,.46);background:rgba(255,255,255,.10)}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .25s,box-shadow .25s,border-color .25s,backdrop-filter .25s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 20px rgba(16,32,64,.05);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{border-radius:10px;box-shadow:0 3px 12px rgba(97,87,245,.26)}
.brand-text{display:flex;align-items:baseline;gap:7px}
.brand-en{font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.brand-cn{font-size:13px;font-weight:400;letter-spacing:.22em;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:14.5px;color:#48566E;font-weight:500;
  transition:color .18s,background .18s;
}
.nav-links a:hover{color:var(--g1);background:rgba(97,87,245,.06)}
.nav-links a.active{color:var(--g1)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--g1),var(--g3));
}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;margin-left:auto;
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:rgba(255,255,255,.7);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .22s,opacity .18s}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 76px) 0 0;
  background:
    radial-gradient(1200px 620px at 78% -8%, rgba(25,195,201,.20), transparent 62%),
    radial-gradient(1000px 560px at 12% 4%, rgba(97,87,245,.20), transparent 60%),
    linear-gradient(180deg,#FBFCFF 0%,#FFFFFF 46%,#F6F8FC 100%);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-mesh{
  position:absolute;top:-32%;right:-8%;width:820px;height:820px;border-radius:50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(97,87,245,.30), transparent 58%),
    radial-gradient(circle at 66% 62%, rgba(47,123,224,.26), transparent 60%),
    radial-gradient(circle at 46% 84%, rgba(25,195,201,.22), transparent 62%);
  filter:blur(18px);
  animation:drift 22s ease-in-out infinite;
}
.hero-flow{
  position:absolute;inset:0;opacity:.30;
  background-image:url("brand/loom-flow-pattern.svg");
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.35;
  background-image:
    linear-gradient(rgba(31,45,71,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,45,71,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-34px,26px,0) scale(1.05)}
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1.04fr;gap:48px;align-items:center;
  padding-bottom:64px;
}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 15px 6px 11px;border-radius:100px;
  background:rgba(97,87,245,.09);border:1px solid rgba(97,87,245,.20);
  color:#4436d6;font-size:13px;font-weight:600;letter-spacing:.01em;
}
.pill-dot{width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--g1),var(--g3));box-shadow:0 0 0 3px rgba(97,87,245,.15)}
.hero-title{
  margin:22px 0 0;
  font-size:clamp(34px,4.6vw,56px);
  line-height:1.16;font-weight:700;letter-spacing:-.025em;color:var(--ink);
}
.grad{
  background:linear-gradient(120deg,var(--g1) 0%,var(--g2) 48%,var(--g3) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% 100%;
}
.hero-lead{
  margin-top:22px;max-width:540px;
  font-size:17px;line-height:1.78;color:#4C5A72;
}
.hero-strap{
  margin-top:14px;font-size:16px;color:var(--muted);font-weight:500;
}
.num-inline{font-weight:700;color:var(--g1);font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
.hero-points{margin-top:34px;display:flex;flex-direction:column;gap:9px}
.hero-points li{
  position:relative;padding-left:22px;font-size:14.5px;color:#5A6880;
}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--g1),var(--g3));
}
.hero-points b{color:var(--ink)}

/* 产品界面：以「店仓档案」为例 */
.hero-visual{position:relative}
.app-frame{
  border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  transform:perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.hero-visual:hover .app-frame{transform:perspective(1400px) rotateY(-2deg) rotateX(0deg)}
.app-topbar{
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;background:#131C33;color:#C6D2E6;
  font-size:12px;
}
.app-brand{display:flex;align-items:center;gap:7px;font-weight:600;color:#fff;font-size:13px}
.app-brand img{border-radius:5px}
.app-crumb{color:#8E9BB4}
.app-user{
  margin-left:auto;font-size:11.5px;color:#C6D2E6;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  padding:3px 9px;border-radius:20px;
}
.app-body{display:grid;grid-template-columns:132px 1fr;min-height:340px}
.app-side{
  background:#F7F9FC;border-right:1px solid var(--line);
  padding:12px 8px;display:flex;flex-direction:column;gap:2px;
}
.side-title{font-size:10.5px;color:#98A5B8;padding:2px 8px 8px;letter-spacing:.06em}
.side-item{
  display:flex;align-items:center;gap:7px;
  font-size:12px;color:#64728A;padding:6px 8px;border-radius:6px;
}
.side-item i{width:4px;height:4px;border-radius:50%;background:#C3CCDA;flex-shrink:0}
.side-item b{margin-left:auto;font-size:10px;font-weight:600;color:#A3AFC0;background:#EEF2F8;padding:1px 6px;border-radius:5px}
.side-item.active{background:rgba(97,87,245,.11);color:#4436d6;font-weight:600}
.side-item.active i{background:linear-gradient(135deg,var(--g1),var(--g3))}
.side-item.active b{background:rgba(97,87,245,.16);color:#4436d6}
.app-main{padding:14px 15px;display:flex;flex-direction:column;gap:11px}
.app-page-head{display:flex;align-items:center;justify-content:space-between}
.app-page-title{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.app-actions{display:flex;gap:6px}
.app-btn{font-size:11.5px;padding:4px 11px;border-radius:6px;font-weight:500}
.app-btn.ghost{color:#5A6880;border:1px solid #E2E8F2;background:#fff}
.app-btn.solid{color:#fff;background:linear-gradient(135deg,var(--g1),var(--g2))}
.app-filters{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.filter,.filter-search,.filter-btn{
  font-size:11px;color:#5A6880;background:#fff;
  border:1px solid #E2E8F2;border-radius:6px;padding:4px 9px;
}
.filter b{color:#9AA6B8;margin-left:3px}
.filter-search{flex:1;min-width:72px;color:#A3AFC0}
.filter-btn{background:rgba(97,87,245,.10);border-color:rgba(97,87,245,.26);color:#4436d6;font-weight:600}
.app-table{border:1px solid var(--line);border-radius:9px;overflow:hidden}
.tr{
  display:grid;grid-template-columns:62px 1.5fr 1.05fr 1.05fr 50px;
  gap:8px;padding:7px 11px;font-size:11.5px;color:#4C5A72;
  border-bottom:1px solid #F0F3F8;align-items:center;
  white-space:nowrap;overflow:hidden;
}
.tr>span{overflow:hidden;text-overflow:ellipsis}
.tr:last-child{border-bottom:none}
.tr.th{background:#F7F9FC;color:#8A96A8;font-weight:600;font-size:11px;border-bottom:1px solid var(--line)}
.tr .mono{font-family:var(--mono);font-size:11px;color:#8A96A8}
.tag{font-size:10.5px;font-weight:600;padding:2px 8px;border-radius:20px;text-align:center}
.tag.on{color:#0E8F7E;background:rgba(25,195,201,.14)}
.tag.off{color:#98A5B8;background:#F0F3F8}
.app-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:11px;color:#98A5B8;
}
.pager{color:#5A6880;font-weight:600}
.app-caption{
  margin:14px 4px 0;font-size:12.5px;color:#93A0B4;text-align:center;line-height:1.6;
}
.hero-caption-spacer{height:0}

/* 数字条 */
.stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.stat{background:#fff;padding:24px 20px;text-align:center}
.stat-num{
  font-size:clamp(25px,2.6vw,33px);font-weight:700;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,var(--g1) 0%,var(--g2) 55%,var(--g3) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:5px;font-size:13.5px;font-weight:600;color:var(--ink)}
.stat-sub{margin-top:2px;font-size:11.5px;color:var(--muted)}
.stats-note{
  position:relative;z-index:2;
  margin:14px 0 0;font-size:12.5px;color:#93A0B4;text-align:center;
}
.stats-note code{background:rgba(97,87,245,.07);color:#6B7790;font-size:.9em}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;position:relative}
.section-tint{background:var(--bg-tint)}
.section-dark{
  background:
    radial-gradient(900px 480px at 88% 4%, rgba(47,123,224,.24), transparent 62%),
    radial-gradient(760px 420px at 8% 96%, rgba(97,87,245,.20), transparent 60%),
    linear-gradient(160deg,var(--dark) 0%,var(--dark-2) 100%);
  color:#fff;
}
.section-dark .sec-title{color:#fff}
.section-dark .sec-lead{color:var(--dark-muted)}
.sec-head{max-width:760px;margin-bottom:52px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--g1);margin-bottom:14px;
}
.section-dark .eyebrow{color:var(--g3)}
.sec-title{font-size:clamp(27px,3.4vw,40px);line-height:1.24;font-weight:700;letter-spacing:-.022em;color:var(--ink)}
.sec-lead{margin-top:16px;font-size:16.5px;line-height:1.78;color:#5D6B83}
.section-dark .sec-lead{color:var(--dark-muted)}

/* ---------- 移动端下载 ---------- */
.dl-panel{
  display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px;
  padding:32px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.dl-app{
  padding:26px 24px;border-radius:var(--radius-sm);
  background:linear-gradient(180deg,rgba(97,87,245,.055),rgba(25,195,201,.035));
  border:1px solid rgba(97,87,245,.18);
}
.dl-icon{
  width:72px;height:72px;border-radius:18px;
  box-shadow:0 8px 22px rgba(9,28,76,.18);
}
.dl-name{margin-top:16px;font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.dl-ver{margin-top:4px;font-size:13px;color:#6B7890}
.dl-feats{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.dl-feats li{
  position:relative;padding-left:20px;font-size:14px;color:#4C5A72;line-height:1.6;
}
.dl-feats li::before{
  content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;
  background:var(--g1);box-shadow:0 0 0 3px rgba(97,87,245,.12);
}
.dl-h5{
  display:flex;align-items:center;gap:10px;
  margin-top:20px;padding:12px 14px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);
  transition:border-color .18s,box-shadow .18s,transform .18s;
}
.dl-h5:hover{border-color:#C9D3E6;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.dl-h5-k{font-size:14px;font-weight:600;color:var(--ink);flex:none}
.dl-h5-v{font-size:12.5px;color:var(--muted);flex:1;min-width:0}
.dl-h5 svg{color:var(--g1);flex:none}
/* ⭐ 宽屏：网页版入口已并入右侧「两端并列」卡片 ⇒ 左栏这份隐藏，避免重复 */
@media (min-width:861px){
  .dl-app .dl-h5-compact{display:none}
}

.dl-actions{min-width:0}
.dl-pane{display:none}
.dl-pane.on{display:block}

/* iOS 面板 */
.dl-pane-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.dl-badge{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:8px;
}
.dl-badge-ios{background:rgba(9,28,76,.06);color:var(--ink)}
.dl-badge-android{background:rgba(25,195,201,.14);color:#0E8F7E}
.dl-hint{font-size:13px;color:var(--muted)}
.dl-btn-ios{width:100%;justify-content:center}
.dl-note{margin-top:14px;font-size:13px;color:#6B7890;line-height:1.65}

/* Android 面板 */
.dl-android-body{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:center}
.dl-qr{
  padding:14px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  text-align:center;
}
.dl-qr img{width:168px;height:168px;border-radius:8px}
.dl-qr-cap{display:block;margin-top:10px;font-size:12.5px;color:var(--muted)}
.dl-android-act{min-width:0}
.dl-android-act .btn{width:100%;justify-content:center}
.dl-meta{margin-top:12px;font-size:12.5px;color:#6B7890}

/* 桌面 / 未识别：两端并列 */
.dl-both-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dl-card{
  display:flex;align-items:flex-start;gap:14px;
  padding:24px 22px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s,border-color .2s;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#C9D3E6}
.dl-card-ico{
  flex:none;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
}
.dl-card-ico-ios{background:rgba(9,28,76,.06);color:var(--ink)}
.dl-card-ico-android{background:rgba(25,195,201,.14);color:#0E8F7E}
.dl-card-ico-web{background:rgba(97,87,245,.11);color:var(--g1)}
.dl-card-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.dl-card-k{font-size:13px;font-weight:700;color:var(--g1)}
.dl-card-v{font-size:16px;font-weight:600;color:var(--ink)}
.dl-card-d{font-size:12.5px;color:var(--muted);margin-top:2px}

.dl-foot{margin-top:18px;font-size:12.5px;color:#93A0B4;line-height:1.7}

/* ---------- 为什么：对照 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split-card{
  padding:32px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.split-old{background:linear-gradient(180deg,#FFF7F6,#FFFDFD);border-color:#F3DFDD}
.split-new{
  background:linear-gradient(180deg,rgba(97,87,245,.055),rgba(25,195,201,.035));
  border-color:rgba(97,87,245,.22);
  box-shadow:0 2px 6px rgba(97,87,245,.07),0 18px 44px rgba(97,87,245,.09);
}
.split-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:8px;margin-bottom:24px;
}
.split-old .split-tag{background:rgba(214,69,58,.10);color:#C0392B}
.split-new .split-tag{background:rgba(97,87,245,.13);color:#4436d6}
.pain-list{display:flex;flex-direction:column;gap:20px}
.pain-list li{padding-left:22px;position:relative}
.pain-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:50%;
  border:2px solid #E1A29C;
}
.pain-list-fix li::before{border-color:var(--g1);background:rgba(97,87,245,.12)}
.pain-list li b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:2px}
.pain-list li span{font-size:14px;color:#6B7890;line-height:1.65}

.triple{
  margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.triple-card{
  padding:26px 24px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);
  text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s;
}
.triple-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.triple-k{font-size:13.5px;color:var(--muted);font-weight:500}
.triple-v{
  font-size:26px;font-weight:700;letter-spacing:-.02em;margin:8px 0 4px;
  background:linear-gradient(135deg,var(--g1),var(--g3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.triple-d{font-size:14px;color:#4C5A72;font-weight:500}

/* ---------- 原理：流程 ---------- */
.flow{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:center;
}
.flow-step{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.flow-core{
  border-color:rgba(97,87,245,.28);
  background:linear-gradient(180deg,rgba(97,87,245,.06),rgba(25,195,201,.03));
  box-shadow:0 2px 6px rgba(97,87,245,.08),0 20px 50px rgba(97,87,245,.11);
}
.flow-num{position:absolute;top:18px;right:20px;font-size:12px;font-weight:700;letter-spacing:.1em;color:#C3CCDA}
.flow-icon{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(97,87,245,.13),rgba(25,195,201,.10));
  color:var(--g1);
}
.flow-core .flow-icon{background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;box-shadow:0 6px 18px rgba(97,87,245,.3)}
.flow-step h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px}
.flow-step p{font-size:14px;color:#6B7890;line-height:1.65}
.flow-meta{
  display:inline-block;margin-top:14px;font-size:11.5px;font-weight:600;
  padding:3px 10px;border-radius:6px;
  background:rgba(25,195,201,.13);color:#0E8F7E;
}
.flow-arrow{color:#C3CCDA;display:grid;place-items:center}

/* 四个机制 */
.mechanism{margin-top:64px}
.mech-title{font-size:21px;font-weight:700;letter-spacing:-.015em;margin-bottom:22px}
.mech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mech-card{
  padding:24px 22px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.mech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.mech-idx{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;
  color:var(--g1);background:rgba(97,87,245,.10);padding:3px 9px;border-radius:6px;margin-bottom:14px;
}
.mech-card h4{font-size:16.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.mech-card p{font-size:13.5px;color:#6B7890;line-height:1.7}
.mech-card code{font-size:.86em}

/* ---------- 三条主线 ---------- */
.track{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.track-item{
  position:relative;padding:34px 28px 28px;border-radius:var(--radius);
  background:linear-gradient(180deg,#fff,#FCFDFF);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  overflow:hidden;transition:transform .22s,box-shadow .22s;
}
.track-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--g1),var(--g2),var(--g3));
}
.track-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.track-badge{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
  font-size:15px;font-weight:700;margin-bottom:18px;
  box-shadow:0 6px 16px rgba(97,87,245,.26);
}
.track-item h3{font-size:22px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.track-item p{font-size:14.5px;color:#6B7890;line-height:1.72;min-height:74px}
.track-domains{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.track-domains span{
  font-size:12px;font-weight:500;color:#5C6A82;
  background:#F1F5FB;border:1px solid #E2E9F4;padding:3px 10px;border-radius:20px;
}

/* ---------- 能力地图 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cap-card{
  padding:24px 20px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(97,87,245,.28)}
.cap-n{
  display:block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--g1);margin-bottom:10px;
}
.cap-card h4{font-size:16px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;line-height:1.4}
.cap-card p{font-size:13.5px;color:#6B7890;line-height:1.68}
.cap-note{
  margin-top:28px;text-align:center;font-size:14.5px;color:#6B7890;
}
.cap-note b{color:var(--ink)}

/* ---------- 业务域 ---------- */
.domain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dom-card{
  padding:26px 22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s;
}
.dom-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(97,87,245,.26)}
.dom-ico{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
  font-size:18px;font-weight:600;margin-bottom:16px;
  box-shadow:0 6px 16px rgba(97,87,245,.24);
}
.dom-card h4{font-size:17px;font-weight:700;letter-spacing:-.015em;margin-bottom:8px}
.dom-card p{font-size:13.5px;color:#6B7890;line-height:1.7}
.platform-cap{margin-top:64px}
.platform-cap .cap-grid{grid-template-columns:repeat(5,1fr)}

/* ---------- 架构 ---------- */
.stack-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}
.stack-diagram{display:flex;flex-direction:column;gap:14px}
.layer{
  border-radius:var(--radius);padding:22px 24px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.layer-label{
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
  font-size:15.5px;font-weight:700;margin-bottom:14px;
}
.layer-label span{font-size:12.5px;font-weight:400;color:var(--muted)}
.layer-items{display:flex;flex-wrap:wrap;gap:8px}
.li{
  font-size:12.5px;font-weight:500;color:#4C5A72;
  background:#F3F6FB;border:1px solid #E4EAF4;padding:5px 12px;border-radius:8px;
}
.li.ok{background:rgba(25,195,201,.11);border-color:rgba(25,195,201,.28);color:#0E8F7E;font-weight:600}
.layer-be{background:linear-gradient(180deg,rgba(97,87,245,.045),#fff);border-color:rgba(97,87,245,.2)}
.layer-db{background:linear-gradient(180deg,#FBFCFE,#F7F9FC)}
.stack-side{display:flex;flex-direction:column;gap:16px}
.side-block{
  padding:22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.side-block h4{font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12.5px;font-weight:500;color:#4C5A72;
  background:#F3F6FB;border:1px solid #E4EAF4;padding:5px 11px;border-radius:8px;
}
.scale-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:9px 0;border-bottom:1px dashed #E8EDF5;
}
.scale-row:last-child{border-bottom:none;padding-bottom:0}
.scale-row span{font-size:13.5px;color:var(--muted)}
.scale-row b{font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums}
.side-block-red{background:linear-gradient(180deg,rgba(214,69,58,.045),#fff);border-color:#F1DDDB}
.redlines{counter-reset:r;display:flex;flex-direction:column;gap:11px}
.redlines li{
  counter-increment:r;position:relative;padding-left:26px;
  font-size:13.5px;color:#5D6B83;line-height:1.65;
}
.redlines li::before{
  content:counter(r);position:absolute;left:0;top:.05em;
  width:18px;height:18px;border-radius:50%;display:grid;place-items:center;
  background:rgba(214,69,58,.11);color:#C0392B;font-size:11px;font-weight:700;
}
.redlines strong{color:var(--ink)}
.redlines code{background:rgba(214,69,58,.09);color:#C0392B}

.cleanroom{
  margin-top:28px;display:flex;gap:20px;align-items:flex-start;
  padding:28px 30px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(97,87,245,.07),rgba(25,195,201,.05));
  border:1px solid rgba(97,87,245,.2);
}
.cr-mark{flex-shrink:0}
.cleanroom h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-bottom:8px}
.cleanroom p{font-size:14.5px;color:#5D6B83;line-height:1.75}
.cleanroom strong{color:var(--ink)}

/* ---------- 开发平台 ---------- */
.dp-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dp-stage{
  position:relative;padding:32px 26px;border-radius:var(--radius);
  background:rgba(255,255,255,.055);border:1px solid var(--dark-line);
  backdrop-filter:blur(6px);
  transition:transform .22s,background .22s,border-color .22s;
}
.dp-stage:hover{transform:translateY(-5px);background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.2)}
.dp-num{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.12em;
  color:var(--g3);background:rgba(25,195,201,.14);border:1px solid rgba(25,195,201,.3);
  padding:3px 10px;border-radius:6px;margin-bottom:16px;
}
.dp-stage h3{font-size:22px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.dp-stage p{font-size:14px;color:var(--dark-text);line-height:1.75}
.dp-badge{
  display:inline-block;margin-top:16px;font-size:12px;font-weight:600;
  color:#B9C6DE;background:rgba(255,255,255,.07);border:1px solid var(--dark-line);
  padding:4px 11px;border-radius:7px;
}
.dp-bottom{
  margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.dp-origins,.dp-deploy{
  padding:26px;border-radius:var(--radius);
  background:rgba(255,255,255,.045);border:1px solid var(--dark-line);
}
.dp-origins h4,.dp-deploy h4{font-size:16px;font-weight:700;margin-bottom:16px}
.chips-dark .chip{background:rgba(255,255,255,.07);border-color:var(--dark-line);color:#C4D0E4}
.deploy-modes{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:14px}
.mode{
  font-size:12.5px;font-weight:600;color:#D7E1F2;
  background:linear-gradient(135deg,rgba(97,87,245,.30),rgba(25,195,201,.20));
  border:1px solid rgba(255,255,255,.16);padding:6px 13px;border-radius:8px;
}
.dp-note{font-size:13.5px;color:var(--dark-muted);line-height:1.7}
.dp-note strong{color:#fff}

/* ---------- AI 化 ---------- */
.ai-quad{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ai-card{
  padding:28px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.ai-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.ai-n{
  display:grid;place-items:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,rgba(97,87,245,.14),rgba(25,195,201,.12));
  color:var(--g1);font-size:15px;font-weight:700;margin-bottom:16px;
}
.ai-card h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-bottom:14px}
.ai-ai{font-size:13.5px;color:#5D6B83;line-height:1.7;padding-bottom:12px;margin-bottom:12px;border-bottom:1px dashed #E4EAF4}
.ai-human{font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.65}
.ai-layer{margin-top:52px}
.ai-layer h4{font-size:19px;font-weight:700;margin-bottom:18px}
.ai-layers{display:flex;flex-direction:column;gap:9px}
.al{
  display:grid;grid-template-columns:54px 88px 1fr auto;gap:16px;align-items:center;
  padding:15px 20px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);
  transition:transform .2s,box-shadow .2s;
}
.al:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.al-tag{
  display:grid;place-items:center;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.al-name{font-size:15px;font-weight:700}
.al-desc{font-size:13.5px;color:#6B7890}
.al-st{font-size:12px;font-weight:600;color:#B0884A;background:rgba(176,136,74,.10);padding:3px 10px;border-radius:6px;white-space:nowrap}
.al-st.ok{color:#0E8F7E;background:rgba(25,195,201,.12)}
.ai-red{margin-top:44px}
.ai-red h4{font-size:19px;font-weight:700;margin-bottom:16px}
.chips-red .chip{background:rgba(214,69,58,.07);border-color:#F1DDDB;color:#B03A2E}

/* ---------- 交付 ---------- */
.baseline{
  display:grid;grid-template-columns:repeat(6,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.bl-item{background:#fff;padding:24px 16px;text-align:center}
.bl-num{
  font-size:clamp(22px,2.4vw,29px);font-weight:700;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--ink);
}
.bl-num span{font-size:.62em;color:#A8B4C6;font-weight:600}
.bl-label{margin-top:6px;font-size:13px;font-weight:600;color:#4C5A72}
.bl-sub{margin-top:2px;font-size:11.5px;color:var(--muted)}
.deliver-grid{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.deliver-card{
  padding:30px 28px;border-radius:var(--radius);
  background:#fff;border:1px solid rgba(25,195,201,.26);
  box-shadow:0 2px 6px rgba(25,195,201,.07),0 18px 44px rgba(25,195,201,.08);
}
.deliver-card-muted{background:#fff;border-color:var(--line);box-shadow:var(--shadow-sm)}
.deliver-card h3{font-size:19px;font-weight:700;margin-bottom:18px;letter-spacing:-.015em}
.deliver-card ul{display:flex;flex-direction:column;gap:12px}
.deliver-card li{
  position:relative;padding-left:22px;font-size:14px;color:#5D6B83;line-height:1.7;
}
.deliver-card li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--g1),var(--g3));
}
.deliver-card-muted li::before{background:#C3CCDA}
.deliver-card li b{color:var(--ink)}
.deliver-card li code{font-size:.85em}

/* ---------- 三件产品 ---------- */
.product-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{
  display:flex;flex-direction:column;
  padding:28px 26px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s;
}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(97,87,245,.26)}
.pc-head{display:flex;align-items:center;gap:13px;margin-bottom:18px}
.pc-ico{
  display:grid;place-items:center;flex-shrink:0;
  width:46px;height:46px;border-radius:13px;
  background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
  font-size:19px;font-weight:700;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(97,87,245,.28);
}
.pc-ico-dp{background:linear-gradient(135deg,#2F7BE0,#19C3C9);box-shadow:0 6px 18px rgba(47,123,224,.28)}
.pc-ico-ai{background:linear-gradient(135deg,#6157F5,#8B5CF6);box-shadow:0 6px 18px rgba(139,92,246,.28)}
.pc-titles{display:flex;flex-direction:column;min-width:0}
.pc-kicker{
  font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--g1);
}
.pc-ico-dp ~ .pc-titles .pc-kicker{color:#2F7BE0}
.pc-ico-ai ~ .pc-titles .pc-kicker{color:#7C4DEF}
.pc-titles h3{font-size:20px;font-weight:700;letter-spacing:-.015em;margin-top:1px}
.pc-live{
  margin-left:auto;flex-shrink:0;
  font-size:11px;font-weight:600;color:#0E8F7E;
  background:rgba(25,195,201,.13);border:1px solid rgba(25,195,201,.30);
  padding:3px 9px;border-radius:20px;
}
.pc-live-iter{
  color:#4436d6;background:rgba(97,87,245,.10);border-color:rgba(97,87,245,.26);
}
.pc-live-run{
  color:#0E8F7E;background:rgba(25,195,201,.13);border-color:rgba(25,195,201,.30);
}
.pc-desc{font-size:14px;color:#6B7890;line-height:1.72;margin-bottom:18px}
.pc-list{display:flex;flex-direction:column;gap:9px;margin-bottom:22px;flex:1}
.pc-list li{
  position:relative;padding-left:19px;font-size:13.5px;color:#5D6B83;line-height:1.65;
}
.pc-list li::before{
  content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,var(--g1),var(--g3));
}
.pc-list li b{color:var(--ink)}
.pc-honest{
  margin:-6px 0 20px;padding:11px 13px;border-radius:10px;
  background:rgba(25,195,201,.07);border:1px solid rgba(25,195,201,.22);
  font-size:12.5px;color:#4F6070;line-height:1.65;
}
.pc-honest b{color:var(--ink)}
.pc-link{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:14px;font-weight:600;color:#4436d6;
  padding:9px 15px;border-radius:9px;
  background:rgba(97,87,245,.08);border:1px solid rgba(97,87,245,.2);
  transition:background .18s,border-color .18s,gap .18s;
}
.pc-link:hover{background:rgba(97,87,245,.14);border-color:rgba(97,87,245,.34);gap:9px}
.pc-link svg{flex-shrink:0}
.pc-link-muted{
  color:#4C5A72;background:#F3F6FB;border-color:#E2E9F4;
}
.pc-link-muted:hover{color:#4436d6;background:rgba(97,87,245,.10);border-color:rgba(97,87,245,.28)}

/* 协同流程 */
.compose{
  margin-top:28px;display:grid;grid-template-columns:1fr 1.25fr;gap:34px;align-items:center;
  padding:30px 32px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(97,87,245,.07),rgba(25,195,201,.05));
  border:1px solid rgba(97,87,245,.2);
}
.compose h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-bottom:8px}
.compose p{font-size:14.5px;color:#5D6B83;line-height:1.75}
.compose p b{color:var(--ink)}
.compose-flow{display:flex;align-items:center;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.cf-node{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;border-radius:12px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.cf-node b{font-size:14.5px;font-weight:700}
.cf-node span{font-size:11.5px;color:var(--muted)}
.cf-arrow{color:var(--g1);font-size:17px;font-weight:700}

/* ---------- AI 赋能业务场景 ---------- */
.biz-flow{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:stretch;
}
.bf-step{
  padding:24px 22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.bf-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.bf-n{
  display:grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;
  font-size:13.5px;font-weight:700;margin-bottom:14px;
  box-shadow:0 4px 12px rgba(97,87,245,.26);
}
.bf-step h4{font-size:16.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.bf-step p{font-size:13.5px;color:#6B7890;line-height:1.7}
.bf-step p b{color:var(--ink)}
.bf-arrow{display:grid;place-items:center;color:var(--g1);font-size:20px;font-weight:700}

.biz-cards{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.biz-card{
  padding:26px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.biz-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(97,87,245,.26)}
.bc-ico{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,#6157F5,#8B5CF6);color:#fff;
  font-size:17px;font-weight:600;margin-bottom:16px;
  box-shadow:0 6px 16px rgba(139,92,246,.26);
}
.bc-ico-2{background:linear-gradient(135deg,#2F7BE0,#19C3C9);box-shadow:0 6px 16px rgba(47,123,224,.26)}
.bc-ico-3{background:linear-gradient(135deg,#19C3C9,#0E9E9E);box-shadow:0 6px 16px rgba(25,195,201,.26)}
.biz-card h3{font-size:18px;font-weight:700;letter-spacing:-.015em;margin-bottom:9px}
.biz-card p{font-size:13.5px;color:#6B7890;line-height:1.72}
.biz-card p b{color:var(--ink)}
.bc-tag{
  display:inline-block;margin-top:14px;font-size:11.5px;font-weight:600;
  color:#4436d6;background:rgba(97,87,245,.09);border:1px solid rgba(97,87,245,.22);
  padding:3px 10px;border-radius:20px;
}

.biz-note{
  margin-top:24px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
  padding:30px 32px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(97,87,245,.07),rgba(25,195,201,.05));
  border:1px solid rgba(97,87,245,.2);
}
.bn-txt h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-bottom:10px}
.bn-txt p{font-size:14.5px;color:#5D6B83;line-height:1.78}
.bn-txt p b{color:var(--ink)}
.bn-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bnp{
  padding:14px 16px;border-radius:12px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.bnp b{display:block;font-size:14px;font-weight:700;margin-bottom:3px}
.bnp span{font-size:12.5px;color:#6B7890;line-height:1.6}

/* ---------- 对外开放 ---------- */
.open-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.open-card{
  padding:26px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.055);border:1px solid var(--dark-line);
  transition:transform .22s,background .22s,border-color .22s;
}
.open-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2)}
.oc-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(97,87,245,.30),rgba(25,195,201,.22));
  color:var(--g3);
}
.open-card h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.open-card p{font-size:13.5px;color:var(--dark-text);line-height:1.7}
.open-note{
  margin-top:26px;text-align:center;font-size:14px;color:var(--dark-muted);
}
.open-note b{color:#fff}

/* 信任条 */
.trust-strip{
  margin-top:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.ts-item{background:#fff;padding:26px 22px}
.ts-item h4{font-size:15.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.ts-item p{font-size:13.5px;color:#6B7890;line-height:1.7}

/* ---------- CTA ---------- */
.cta-sec{padding:104px 0}
.cta{position:relative;text-align:center;max-width:720px;margin:0 auto;padding:52px 40px;border-radius:26px;background:rgba(255,255,255,.05);border:1px solid var(--dark-line);overflow:hidden}
.cta-glow{
  position:absolute;top:-60%;left:50%;transform:translateX(-50%);
  width:640px;height:640px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(97,87,245,.34),transparent 62%);
}
.cta h2{position:relative;font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.025em;line-height:1.25}
.cta p{position:relative;margin-top:18px;font-size:16px;color:var(--dark-text);line-height:1.8}
.cta-actions{position:relative;margin-top:34px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-foot{position:relative;margin-top:22px;font-size:13px;color:var(--dark-muted)}
.cta-contact{
  position:relative;margin-top:28px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:inline-flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;
}
.cta-org{font-size:13px;color:var(--dark-muted);letter-spacing:.04em}
.cta-contact a{
  font-size:15px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:1px;
  transition:border-color .18s,color .18s;
}
.cta-contact a:hover{border-color:var(--g3);color:var(--g3)}

/* ---------- 页脚 ---------- */
.footer{background:#050915;color:#8B97AE;padding:52px 0 34px;border-top:1px solid rgba(255,255,255,.07)}
.footer-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start;justify-content:space-between}
.footer-brand{display:flex;gap:13px;align-items:center}
.footer-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:-.01em}
.footer-name span{font-size:13px;font-weight:400;letter-spacing:.2em;color:#6E7B92;margin-left:5px}
.footer-desc{font-size:12.5px;color:#6E7B92;margin-top:1px}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-links a{font-size:13.5px;color:#8B97AE;transition:color .18s}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:3px}
.fc-label{font-size:11.5px;color:#5F6B80}
.footer-contact a{font-size:14px;color:#C6D2E6;font-weight:500;transition:color .18s}
.footer-contact a:hover{color:#fff}
.footer-copy{width:100%;border-top:1px solid rgba(255,255,255,.07);padding-top:22px}
.footer-copy p{font-size:12.5px;line-height:1.8}
.footer-note{color:#5F6B80}

/* ---------- 滚动揭示 ----------
   只有在 JS 确认可用时才隐藏初始态（html.js）——
   否则 JS 被拦截/出错时整站会变成一片空白。 */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .65s cubic-bezier(.2,.7,.3,1),transform .65s cubic-bezier(.2,.7,.3,1)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px;margin:0 auto;width:100%}
  .app-frame{transform:none}
  .hero-visual:hover .app-frame{transform:none}
  .badge-a{left:-10px}
  .badge-b{right:-6px}
  .cap-grid{grid-template-columns:repeat(3,1fr)}
  .domain-grid{grid-template-columns:repeat(2,1fr)}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
  .open-grid{grid-template-columns:repeat(2,1fr)}
  .biz-flow{grid-template-columns:1fr}
  .bf-arrow{transform:rotate(90deg);padding:2px 0}
  .biz-cards{grid-template-columns:1fr}
  .biz-note{grid-template-columns:1fr;gap:22px}
  .product-row{grid-template-columns:1fr}
  .compose{grid-template-columns:1fr;gap:24px}
  .compose-flow{justify-content:flex-start}
  .mech-grid{grid-template-columns:repeat(2,1fr)}
  .ai-quad{grid-template-columns:repeat(2,1fr)}
  .baseline{grid-template-columns:repeat(3,1fr)}
  .stack-layout{grid-template-columns:1fr}
  .dl-panel{grid-template-columns:1fr;gap:22px;padding:26px}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(255,255,255,.97);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:12px 20px 18px;margin-left:0;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .2s,transform .2s;
    box-shadow:0 14px 30px rgba(16,32,64,.10);
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
  .nav-cta{display:none}
  .split{grid-template-columns:1fr}
  .triple{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-arrow{transform:rotate(90deg);padding:4px 0}
  .track{grid-template-columns:1fr}
  .track-item p{min-height:auto}
  .dp-flow{grid-template-columns:1fr}
  .dp-bottom{grid-template-columns:1fr}
  .deliver-grid{grid-template-columns:1fr}
  .al{grid-template-columns:48px 76px 1fr;row-gap:8px}
  .al-st{grid-column:2 / -1;justify-self:start}
  .section{padding:72px 0}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:last-child{grid-column:1 / -1}
  .cap-grid{grid-template-columns:1fr 1fr}
  .domain-grid{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:1fr}
  .open-grid{grid-template-columns:1fr}
  .bn-points{grid-template-columns:1fr}
  .biz-note{padding:24px 20px}
  .compose{padding:24px 20px}
  .cf-node{padding:10px 13px}
  .mech-grid{grid-template-columns:1fr}
  .ai-quad{grid-template-columns:1fr}
  .baseline{grid-template-columns:repeat(2,1fr)}
  .hero{padding-top:calc(var(--nav-h) + 46px)}
  .dl-panel{padding:22px 18px;border-radius:var(--radius-sm)}
  .dl-app{padding:22px 18px}
  .dl-android-body{grid-template-columns:1fr;gap:22px}
  .dl-qr{justify-self:center}
  .dl-qr img{width:150px;height:150px}
  .dl-both-grid{grid-template-columns:1fr}
  /* 窄屏：网页版入口在各下载面板内已有 ⇒ 左栏那份隐藏，避免同屏出现两次 */
  .dl-app .dl-h5-compact{display:none}
  .hero-badge{transform:scale(.86)}
  .app-caption{margin-top:12px;font-size:11.5px}
  .app-body{grid-template-columns:1fr}
  .app-side{display:none}
  .tr{grid-template-columns:52px 1.45fr 1fr 44px;gap:6px;font-size:10.5px;padding:6px 8px}
  .tr>span:nth-child(3){display:none}
  .app-filters .filter:nth-child(n+2){display:none}
  .app-filters .filter:nth-child(n+4){display:none}
  .cta{padding:36px 22px}
  .footer-inner{flex-direction:column}
  .hide-sm{display:none}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}