/* =========================================================
   OntoL — 企业级本体平台 · 官网样式
   ========================================================= */

:root{
  --ink:#0B1428;
  --navy:#0A1730;
  --navy-2:#0E2145;
  --brand:#3B5BFF;
  --brand-2:#6E8CFF;
  --brand-dark:#2544D8;
  --teal:#12B8A6;
  --gold:#F2A93B;
  --muted:#5D6B87;
  --muted-2:#8592AC;
  --line:#E5EAF3;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 28px rgba(11,20,40,.07);
  --shadow-lg:0 26px 64px rgba(11,20,40,.14);
  --maxw:1160px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
ul,ol{list-style:none;}
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.015em;font-weight:700;}
b,strong{font-weight:600;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:860px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:11px;cursor:pointer;
  font-weight:600;font-size:15px;line-height:1;font-family:inherit;
  padding:13px 22px;transition:transform .18s ease,background .2s ease,box-shadow .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 17px;font-size:14px;border-radius:10px;}
.btn-lg{padding:16px 30px;font-size:16px;border-radius:13px;}
.btn-block{width:100%;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(59,91,255,.28);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(59,91,255,.34);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.arw{transition:transform .2s ease;}
.btn:hover .arw{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.nav.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(11,20,40,.06);background:rgba(255,255,255,.92);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy);}
.logo-mark{width:30px;height:30px;color:var(--brand);flex:none;}
.logo-text{font-size:21px;font-weight:700;letter-spacing:-.02em;}
.logo-text b{color:var(--brand);}
.logo small{font-size:11.5px;font-weight:500;color:var(--muted-2);white-space:nowrap;padding-left:11px;border-left:1px solid var(--line);}
.nav-links{display:flex;gap:26px;}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .2s ease;position:relative;}
.nav-links a:hover{color:var(--brand);}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--brand);
  border-radius:2px;transition:right .25s ease;
}
.nav-links a:hover::after{right:0;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-link-plain{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s;}
.nav-link-plain:hover{color:var(--brand);}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn.is-open span:nth-child(2){opacity:0;}
.menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(155deg,#061024 0%,#0A1730 42%,#102A55 100%);
  color:#fff;padding:86px 0 76px;
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 82% 4%, rgba(59,91,255,.42), transparent 62%),
    radial-gradient(720px 460px at 6% 96%, rgba(18,184,166,.28), transparent 60%),
    radial-gradient(520px 380px at 52% 120%, rgba(110,140,255,.20), transparent 65%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:#B9C8F5;background:rgba(110,140,255,.14);
  border:1px solid rgba(110,140,255,.32);
  padding:7px 14px;border-radius:999px;margin-bottom:24px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(18,184,166,.7);animation:ping 2.2s infinite;}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(18,184,166,.65);}
  70%{box-shadow:0 0 0 9px rgba(18,184,166,0);}
  100%{box-shadow:0 0 0 0 rgba(18,184,166,0);}
}
.hero h1{
  font-size:clamp(38px,5.4vw,64px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:24px;
}
.hero h1 .neq{
  display:inline-block;color:var(--gold);margin:0 .08em;
  font-weight:800;
  text-shadow:0 0 34px rgba(242,169,59,.55);
}
.lede{font-size:17.5px;color:#C3CEE6;max-width:590px;margin-bottom:34px;line-height:1.82;}
.lede b{color:#fff;font-weight:600;border-bottom:2px solid rgba(18,184,166,.6);}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-tags li{
  font-size:13.5px;color:#9FB0CE;display:flex;align-items:center;gap:8px;
}
.hero-tags li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--teal);flex:none;
}

/* Hero 图谱卡片 */
.hero-visual{position:relative;}
.graph-card{
  background:linear-gradient(170deg,rgba(20,38,74,.92),rgba(10,22,46,.96));
  border:1px solid rgba(110,140,255,.24);
  border-radius:22px;padding:16px 16px 14px;
  box-shadow:0 34px 80px rgba(2,8,22,.6),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
}
.graph-head{display:flex;align-items:center;gap:12px;padding:0 4px 12px;}
.dot-set{display:flex;gap:6px;}
.dot-set i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.2);}
.dot-set i:nth-child(1){background:#FF6058;}
.dot-set i:nth-child(2){background:#FFBD2E;}
.dot-set i:nth-child(3){background:#28C840;}
.graph-title{flex:1;font-size:12px;color:#8FA3C9;font-family:ui-monospace,Menlo,Consolas,monospace;}
.graph-badge{
  font-size:10.5px;font-weight:600;color:#4FE0C8;background:rgba(18,184,166,.14);
  border:1px solid rgba(18,184,166,.34);padding:2px 9px;border-radius:999px;
  display:flex;align-items:center;gap:5px;
}
.graph-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:#4FE0C8;}
.graph{width:100%;height:auto;}
.graph .nodes .pulse{transform-origin:center;animation:nodePulse 3.4s ease-in-out infinite;}
.graph .nodes .d1{animation-delay:.35s;}
.graph .nodes .d2{animation-delay:.7s;}
.graph .nodes .d3{animation-delay:1.05s;}
.graph .nodes .d4{animation-delay:1.4s;}
.graph .nodes .core{animation:corePulse 2.6s ease-in-out infinite;}
@keyframes nodePulse{0%,100%{opacity:.78;}50%{opacity:1;}}
@keyframes corePulse{0%,100%{r:21;opacity:.82;}50%{r:24;opacity:1;}}
.graph .edges line{stroke-dasharray:5 7;animation:dash 3.2s linear infinite;}
@keyframes dash{to{stroke-dashoffset:-48;}}
.graph .labels text{
  font-size:13px;font-weight:600;fill:#EAF0FF;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.graph .labels .lbl-core{font-size:14px;fill:#062A28;font-weight:700;}
.graph .labels .lbl-sm{font-size:12px;}
.graph-foot{
  display:flex;flex-wrap:wrap;gap:8px 16px;padding:12px 6px 2px;
  border-top:1px solid rgba(255,255,255,.09);margin-top:6px;
  font-size:11.5px;color:#7E92B8;
}
.graph-foot .ok{color:#4FE0C8;}

/* Hero 下方事实条 */
.facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  margin-top:66px;padding-top:34px;border-top:1px solid rgba(255,255,255,.13);
}
.fact b{
  display:block;font-size:27px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(96deg,#8FA8FF,#4FE0C8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:4px;
}
.fact span{font-size:13.5px;color:#93A4C4;line-height:1.5;display:block;}

/* ---------- 通用 Section ---------- */
.sec{padding:96px 0;position:relative;}
.sec-alt{background:#fff;}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand);background:rgba(59,91,255,.08);
  padding:6px 13px;border-radius:999px;margin-bottom:18px;
}
.sec h2{font-size:clamp(27px,3.4vw,40px);font-weight:800;letter-spacing:-.028em;margin-bottom:18px;}
.sec-sub{font-size:16.5px;color:var(--muted);line-height:1.82;}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:transform .28s ease,box-shadow .3s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(59,91,255,.22);}
.card h3{font-size:18.5px;margin-bottom:11px;letter-spacing:-.02em;}
.card p{font-size:14.8px;color:var(--muted);line-height:1.78;}
.card p b{color:var(--ink);font-weight:600;}

/* 痛点卡 */
.problem{background:linear-gradient(180deg,#fff,#FBFCFE);}
.p-icon{
  font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--brand);
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(59,91,255,.09);border:1px solid rgba(59,91,255,.16);margin-bottom:18px;
}

/* 能力卡 */
.feat .f-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(59,91,255,.12),rgba(18,184,166,.12));
  border:1px solid rgba(59,91,255,.14);color:var(--brand);margin-bottom:20px;
}
.feat .f-icon svg{width:24px;height:24px;}
.f-list{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:8px;}
.f-list li{font-size:13.6px;color:var(--muted);padding-left:16px;position:relative;line-height:1.65;}
.f-list li::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;
  background:var(--teal);transform:rotate(45deg);
}

/* ---------- 为什么 · 概念链路条 ---------- */
.why-strip{margin-top:34px;}
.why-strip-inner{
  display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);
}
.why-item{text-align:center;min-width:118px;}
.why-item span{display:block;font-size:16px;font-weight:700;color:var(--ink);}
.why-item small{font-size:12.6px;color:var(--muted-2);}
.why-item.is-strong span{color:var(--brand);}
.why-item.is-strong{
  background:rgba(59,91,255,.07);border-radius:12px;padding:10px 18px;
  border:1px solid rgba(59,91,255,.18);
}
.arrow{color:var(--muted-2);font-size:17px;font-style:normal;}

/* ---------- 产品套件 ---------- */
.suite-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.suite-card:hover{transform:translateY(-4px);}
.suite-top{padding:32px 30px 24px;background:linear-gradient(160deg,#0C1B36,#122C57);color:#fff;}
.suite-badge{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:#9DB2FF;background:rgba(110,140,255,.16);border:1px solid rgba(110,140,255,.32);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.suite-badge.alt{color:#4FE0C8;background:rgba(18,184,166,.14);border-color:rgba(18,184,166,.34);}
.suite-top h3{font-size:23px;color:#fff;margin-bottom:10px;}
.suite-top p{font-size:14.6px;color:#B4C2DC;line-height:1.75;}
.suite-list{padding:12px 30px 8px;flex:1;}
.suite-list li{padding:17px 0;border-bottom:1px solid var(--line);}
.suite-list li:last-child{border-bottom:none;}
.suite-list b{display:block;font-size:15.4px;color:var(--ink);margin-bottom:5px;}
.suite-list span{font-size:14px;color:var(--muted);line-height:1.72;display:block;}
.suite-flow{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  padding:18px 30px;background:#F7F9FD;border-top:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
}
.suite-flow i{font-style:normal;color:var(--muted-2);}
.suite-flow span{background:#fff;border:1px solid var(--line);padding:5px 12px;border-radius:8px;}
.suite-flow span.on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 应用场景 ---------- */
.scene{padding:26px 24px;}
.scene h3{font-size:17.5px;}
.scene p{font-size:14.4px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chips span{
  font-size:12.4px;font-weight:600;color:var(--brand);
  background:rgba(59,91,255,.08);border:1px solid rgba(59,91,255,.16);
  padding:4px 11px;border-radius:7px;
}

/* ---------- 架构图 ---------- */
.arch{display:grid;gap:12px;}
.arch-layer{
  border-radius:var(--radius);padding:20px 24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  border:1px solid var(--line);background:#fff;transition:box-shadow .28s ease,transform .28s ease;
}
.arch-layer:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.arch-label{
  flex:none;min-width:158px;font-size:13.5px;font-weight:700;letter-spacing:.02em;
  padding:7px 14px;border-radius:9px;text-align:center;
}
.arch-label b{font-weight:700;}
.arch-items{display:flex;flex-wrap:wrap;gap:10px;flex:1;}
.arch-items span{
  font-size:13.4px;font-weight:500;color:var(--muted);
  background:#F4F7FC;border:1px solid var(--line);padding:6px 13px;border-radius:8px;
}
.l-app{background:linear-gradient(120deg,#F0F4FF,#F7F9FF);}
.l-app .arch-label{background:rgba(59,91,255,.12);color:var(--brand);}
.l-core{background:linear-gradient(120deg,#0C1B36,#153158);border-color:transparent;box-shadow:0 18px 42px rgba(11,20,40,.2);}
.l-core .arch-label{background:var(--brand);color:#fff;}
.l-core .arch-items span{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.16);color:#C6D3EC;}
.l-core2{background:linear-gradient(120deg,#EFFBF8,#F6FEFC);border-color:rgba(18,184,166,.24);}
.l-core2 .arch-label{background:var(--teal);color:#fff;}
.l-data{background:linear-gradient(120deg,#FFF9EF,#FFFDF8);border-color:rgba(242,169,59,.24);}
.l-data .arch-label{background:rgba(242,169,59,.2);color:#9A6610;}
.arch-arrow{text-align:center;font-size:12.5px;font-weight:600;color:var(--muted-2);letter-spacing:.04em;}
.arch-base{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding:18px;border:1px dashed var(--line);border-radius:var(--radius);background:#fff;
  font-size:13px;color:var(--muted);
}
.arch-base span{
  background:#F4F7FC;padding:5px 13px;border-radius:8px;border:1px solid var(--line);
}
.arch-note{
  margin-top:26px;font-size:14.6px;color:var(--muted);line-height:1.85;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:20px 24px;
}
.arch-note b{color:var(--ink);}

/* ---------- 对比表 / 通用表格 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);}
table.cmp{width:100%;border-collapse:collapse;font-size:14.6px;min-width:660px;}
table.cmp th,table.cmp td{padding:18px 22px;text-align:left;vertical-align:top;line-height:1.7;}
table.cmp thead th{
  background:linear-gradient(160deg,#0C1B36,#122C57);color:#fff;font-size:14px;font-weight:700;
  border-bottom:1px solid transparent;white-space:nowrap;
}
table.cmp thead th.col-a{color:#9DB2FF;}
table.cmp tbody th{
  font-weight:600;color:var(--ink);background:#FAFBFE;width:158px;white-space:nowrap;
  font-size:14px;
}
table.cmp tbody td{color:var(--muted);border-top:1px solid var(--line);}
table.cmp tbody td.col-a{color:var(--ink);font-weight:500;background:rgba(59,91,255,.032);}
table.cmp tbody tr:hover td{background:rgba(59,91,255,.05);}
table.cmp tbody tr:hover td.col-a{background:rgba(59,91,255,.09);}

/* ---------- 落地与边界 ---------- */
.panel{border-radius:var(--radius);padding:30px 28px;border:1px solid var(--line);background:#fff;}
.panel h3{font-size:19px;margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.panel h3::before{content:"";width:9px;height:9px;border-radius:3px;flex:none;}
.panel-good{background:linear-gradient(180deg,#F5FEFA,#fff);border-color:rgba(18,184,166,.26);}
.panel-good h3::before{background:var(--teal);}
.panel-warn{background:linear-gradient(180deg,#FFFBF4,#fff);border-color:rgba(242,169,59,.3);}
.panel-warn h3::before{background:var(--gold);}
.panel-list{display:grid;gap:16px;}
.panel-list li{padding-left:20px;position:relative;}
.panel-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-2);
}
.panel-warn .panel-list li::before{background:var(--gold);}
.panel-good .panel-list li::before{background:var(--teal);}
.panel-list b{display:block;font-size:15.2px;color:var(--ink);margin-bottom:4px;}
.panel-list span{font-size:14.2px;color:var(--muted);line-height:1.74;display:block;}

.callout{
  margin-top:26px;border-radius:var(--radius);padding:28px 32px;
  background:linear-gradient(140deg,#0C1B36,#153158);color:#D7E1F5;
  box-shadow:0 20px 52px rgba(11,20,40,.24);
}
.callout h4{font-size:15px;color:#8FA8FF;letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px;}
.callout p{font-size:16px;line-height:1.9;}
.callout b{color:#fff;background:rgba(242,169,59,.2);padding:2px 8px;border-radius:6px;font-weight:600;}

/* ---------- 安全 mini 卡 ---------- */
.mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 20px;transition:transform .26s ease,box-shadow .28s ease,border-color .22s ease;
}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(59,91,255,.2);}
.mini-ic{font-size:20px;display:block;margin-bottom:12px;}
.mini b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px;}
.mini p{font-size:13.4px;color:var(--muted);line-height:1.68;}

/* ---------- 交付验证 ---------- */
.verify-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px;}
.verify{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;border-top:3px solid var(--brand);
}
.verify:nth-child(2){border-top-color:var(--teal);}
.verify:nth-child(3){border-top-color:var(--gold);}
.verify b{display:block;font-size:16.5px;margin-bottom:9px;color:var(--ink);}
.verify p{font-size:14.3px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq details[open]{border-color:rgba(59,91,255,.28);box-shadow:var(--shadow);}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 54px 20px 24px;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand);}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .28s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#07122A 0%,#0C1B36 45%,#153158 100%);
  color:#fff;padding:88px 0;
}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 440px at 88% 8%, rgba(59,91,255,.36), transparent 62%),
    radial-gradient(600px 400px at 4% 100%, rgba(18,184,166,.24), transparent 60%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 440px;gap:64px;align-items:center;}
.cta-copy h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.03em;margin-bottom:16px;}
.cta-copy > p{font-size:17px;color:#BFCBE4;margin-bottom:26px;}
.cta-points{display:grid;gap:13px;}
.cta-points li{
  font-size:15px;color:#D3DDF0;display:flex;align-items:center;gap:12px;
}
.cta-points li::before{
  content:"";width:20px;height:20px;border-radius:50%;flex:none;
  background-color:rgba(18,184,166,.18);
  border:1px solid rgba(18,184,166,.55);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.4 4.7 9 10 3.4' fill='none' stroke='%234FE0C8' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:11px;
}

.cta-form{
  background:rgba(255,255,255,.97);border-radius:22px;padding:32px;
  box-shadow:0 34px 80px rgba(2,8,22,.5);color:var(--ink);
}
.cta-form h3{font-size:21px;margin-bottom:20px;}
.cta-form label{display:block;margin-bottom:15px;}
.cta-form label > span{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px;}
.cta-form input,.cta-form textarea{
  width:100%;font-family:inherit;font-size:14.6px;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#FAFBFE;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;resize:vertical;
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:#A9B4C8;}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(59,91,255,.12);
}
.cta-form .btn{margin-top:6px;}
.form-note{font-size:12.6px;color:var(--muted-2);text-align:center;margin-top:12px;}
.form-note.ok{color:var(--teal);font-weight:600;}

/* ---------- 页脚 ---------- */
.footer{background:#081327;color:#93A2BF;padding:66px 0 30px;}
.footer-inner{display:grid;grid-template-columns:1.15fr 2fr;gap:60px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer .logo{color:#fff;margin-bottom:16px;}
.footer .logo-text b{color:var(--brand-2);}
.footer-brand p{font-size:14px;line-height:1.8;color:#8595B4;}
.footer-contact{margin-top:16px;}
.footer-contact p{font-size:13.8px;color:#8595B4;margin-bottom:9px;line-height:1.5;}
.footer-contact b{color:#9DB2FF;font-weight:600;}
.footer-contact a{font-size:14.5px;color:#9DB2FF;font-weight:500;transition:color .2s;}
.footer-contact a:hover{color:#fff;}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.footer-col h4{font-size:13.5px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.02em;}
.footer-col a{display:block;font-size:13.8px;color:#8595B4;margin-bottom:11px;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13px;color:#6C7C9B;
}
.footer-legal{display:flex;gap:22px;}
.footer-legal a{color:#6C7C9B;transition:color .2s;}
.footer-legal a:hover{color:#fff;}

/* ---------- 功能清单表 ---------- */
.feat-table-head{margin:64px 0 24px;}
.feat-table-head h3{font-size:23px;letter-spacing:-.02em;margin-bottom:8px;}
.feat-table-head p{font-size:15px;color:var(--muted);}
.ftbl th[style]{white-space:nowrap;}
.pkg{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:4px 11px;border-radius:999px;white-space:nowrap;
}
.pkg-data{color:#2E8F80;background:rgba(18,184,166,.12);border:1px solid rgba(18,184,166,.32);}
.pkg-admin{color:var(--brand);background:rgba(59,91,255,.09);border:1px solid rgba(59,91,255,.24);}
.pkg-both{color:#9A6610;background:rgba(242,169,59,.14);border:1px solid rgba(242,169,59,.34);}

/* ---------- 客户案例 ---------- */
.sec-cases{
  background:linear-gradient(165deg,#081327 0%,#0C1B36 55%,#10264B 100%);
  color:#fff;
}
.sec-cases .kicker{color:#8FA8FF;background:rgba(110,140,255,.14);border:1px solid rgba(110,140,255,.26);}
.sec-cases .sec-sub{color:#A6B4D0;}
.case-featured{
  display:grid;grid-template-columns:280px 1fr;gap:0;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  overflow:hidden;margin-bottom:22px;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.case-featured:hover{border-color:rgba(110,140,255,.4);box-shadow:0 24px 60px rgba(2,8,22,.45);}
.case-side{
  padding:28px 26px;display:flex;flex-direction:column;justify-content:space-between;gap:24px;
  background:rgba(2,8,22,.28);border-right:1px solid rgba(255,255,255,.09);
}
.case-meta{display:flex;flex-direction:column;align-items:flex-start;gap:8px;}
.case-tag{
  font-size:12px;font-weight:700;color:#4FE0C8;
  background:rgba(18,184,166,.14);border:1px solid rgba(18,184,166,.36);
  padding:4px 12px;border-radius:999px;
}
.case-tag.ghost{color:#9DB2FF;background:rgba(110,140,255,.1);border-color:rgba(110,140,255,.28);}
.case-index{
  font-size:52px;font-weight:800;letter-spacing:-.04em;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(157,178,255,.4);
}
.case-body{padding:30px 32px;}
.case-body h3{font-size:22px;margin-bottom:20px;letter-spacing:-.02em;}
.case-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.case-block b{
  display:block;font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#8FA8FF;margin-bottom:9px;
}
.case-block p{font-size:14.3px;color:#B9C6DE;line-height:1.78;}
.case-card{
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:28px 26px;color:#fff;
  transition:border-color .3s ease,box-shadow .3s ease,transform .28s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(110,140,255,.4);box-shadow:0 24px 60px rgba(2,8,22,.45);}
.case-card .case-side{
  padding:0;background:none;border-right:none;margin-bottom:18px;
  flex-direction:row;align-items:center;justify-content:space-between;
}
.case-card .case-meta{flex-direction:row;flex-wrap:wrap;}
.case-card .case-index{font-size:38px;-webkit-text-stroke:1.2px rgba(157,178,255,.35);}
.case-card h3{font-size:18.5px;margin-bottom:18px;}
.case-card .case-blocks{grid-template-columns:1fr;gap:16px;}
.case-card .case-block b{color:#4FE0C8;}
.case-card .case-block p{font-size:14.1px;color:#B4C2DC;}

/* ---------- 联系方式 ---------- */
.kicker-light{
  color:#8FA8FF;background:rgba(110,140,255,.14);
  border:1px solid rgba(110,140,255,.28);
}
.contact-cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
  margin-top:34px;
}
.c-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-radius:13px;padding:15px 17px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.c-card:hover{background:rgba(255,255,255,.1);border-color:rgba(110,140,255,.42);transform:translateY(-2px);}
.c-card span{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;color:#8CA0C6;margin-bottom:4px;}
.c-card b{font-size:14.8px;font-weight:600;color:#EAF0FF;}
.c-card a{color:#EAF0FF;transition:color .2s ease;}
.c-card a:hover{color:#9DB2FF;}
.c-card .c-long{font-size:13.8px;line-height:1.45;}
.copy-id{
  display:inline-flex;align-items:center;gap:8px;
  background:none;border:0;padding:0;margin:0;cursor:pointer;
  font-family:inherit;font-size:14.8px;font-weight:600;
  color:#EAF0FF;letter-spacing:.01em;
  transition:color .2s ease;
}
.copy-id:hover{color:#9DB2FF;}
.copy-id:focus-visible{outline:2px solid rgba(110,140,255,.6);outline-offset:3px;border-radius:6px;}
.copy-id i{
  font-style:normal;font-size:11px;font-weight:600;line-height:1;
  padding:4px 7px;border-radius:6px;white-space:nowrap;
  color:#9DB2FF;background:rgba(110,140,255,.16);
  border:1px solid rgba(110,140,255,.34);
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.copy-id.is-done i{color:#4FE0C8;background:rgba(18,184,166,.18);border-color:rgba(18,184,166,.5);}
.contact-hint{margin-top:14px;font-size:13.2px;color:#8CA0C6;line-height:1.6;}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.68,.35,1),transform .7s cubic-bezier(.22,.68,.35,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .graph .edges line,.graph .nodes .pulse,.eyebrow .dot{animation:none;}
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:52px;}
  .hero-visual{max-width:520px;}
  .cta-inner{grid-template-columns:1fr;gap:44px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr;gap:40px;}
  .case-featured{grid-template-columns:1fr;}
  .case-side{border-right:none;border-bottom:1px solid rgba(255,255,255,.09);}
  .case-index{font-size:40px;}
}
@media (max-width:880px){
  .nav-links{
    position:fixed;top:68px;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(11,20,40,.1);
    padding:8px 0;transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-links.is-open{transform:none;opacity:1;visibility:visible;}
  .nav-links a{padding:14px 24px;font-size:15.5px;border-bottom:1px solid var(--line);}
  .nav-links a::after{display:none;}
  .nav-links a:last-child{border-bottom:none;}
  .menu-btn{display:flex;}
  .logo small{display:none;}
  .sec{padding:72px 0;}
  .facts{grid-template-columns:repeat(2,1fr);gap:26px 20px;margin-top:52px;}
  .verify-grid{grid-template-columns:1fr;}
  .cta-form{padding:26px 22px;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .wrap{padding:0 18px;}
  .nav-actions .nav-link-plain{display:none;}
  .hero{padding:64px 0 60px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-tags{gap:8px 18px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stats,.facts{grid-template-columns:1fr;}
  .facts{gap:20px;}
  .why-strip-inner{flex-direction:column;gap:12px;}
  .why-strip-inner .arrow{transform:rotate(90deg);}
  .arch-layer{flex-direction:column;align-items:flex-start;gap:14px;}
  .arch-label{width:100%;}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec-head{margin-bottom:38px;}
  .callout{padding:24px 22px;}
  .card{padding:24px 20px;}
  .suite-top,.suite-list,.suite-flow{padding-left:22px;padding-right:22px;}
  .case-body{padding:24px 20px;}
  .case-blocks{grid-template-columns:1fr;}
  .case-card .case-side{flex-direction:row;}
  .contact-cards{grid-template-columns:1fr;}
  .feat-table-head{margin-top:48px;}
}

/* =========================================================
   多页面 / SEO 组件（内页页头、目录、问答、内链）
   ========================================================= */

/* Hero 内嵌副标题：承载核心关键词，视觉上作为副行 */
.hero h1 .h1-sub{
  display:block;margin-top:20px;
  font-size:clamp(14.5px,1.55vw,18px);font-weight:600;letter-spacing:.005em;
  line-height:1.65;color:#9DB2D8;
}

/* ---------- 内页页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#07122A 0%,#0C1B36 48%,#153158 100%);
  color:#fff;padding:60px 0 66px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 420px at 86% 0%, rgba(59,91,255,.34), transparent 62%),
    radial-gradient(560px 380px at 2% 100%, rgba(18,184,166,.22), transparent 62%);
}
.page-hero .wrap{position:relative;}
.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;color:#8CA0C6;margin-bottom:22px;
}
.breadcrumb a{color:#9DB2FF;transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-style:normal;color:#5D719A;}
.breadcrumb span{color:#B9C6DE;}
.page-hero h1{
  font-size:clamp(28px,3.9vw,45px);font-weight:800;letter-spacing:-.03em;line-height:1.16;
  margin-bottom:20px;max-width:900px;
}
.page-hero .lede{max-width:780px;margin-bottom:0;font-size:16.8px;}

/* ---------- 页内目录 ---------- */
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.toc a{
  font-size:13.4px;font-weight:500;color:#C6D3EC;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  padding:7px 14px;border-radius:999px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc a:hover{background:rgba(110,140,255,.24);color:#fff;border-color:rgba(110,140,255,.4);}

/* ---------- 首页「深入了解」卡片 ---------- */
.explore{display:block;text-decoration:none;color:inherit;}
.explore:hover,.explore:focus-visible{color:inherit;}
.explore-more{display:inline-block;margin-top:16px;font-size:14px;font-weight:600;color:var(--brand);}

/* ---------- 独立域名的 Q&A 区块（FAQ 页，内容直出便于抓取） ---------- */
.qa-list{display:grid;gap:16px;}
.qa{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;transition:border-color .25s ease,box-shadow .25s ease;
}
.qa:hover{border-color:rgba(59,91,255,.22);box-shadow:var(--shadow);}
.qa h3{font-size:17.5px;letter-spacing:-.015em;margin-bottom:12px;color:var(--ink);padding-left:30px;position:relative;}
.qa h3::before{
  content:"Q";position:absolute;left:0;top:-1px;
  width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:800;color:var(--brand);background:rgba(59,91,255,.1);
}
.qa p{font-size:14.8px;color:var(--muted);line-height:1.85;}
.qa p + p{margin-top:10px;}

/* ---------- 内页底部转化条 ---------- */
.page-cta{
  background:linear-gradient(150deg,#0B1730,#153158);
  border-radius:22px;padding:44px 46px;color:#fff;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  box-shadow:0 24px 60px rgba(11,20,40,.18);position:relative;overflow:hidden;
}
.page-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 92% 0%, rgba(59,91,255,.34), transparent 64%);
}
.page-cta > *{position:relative;}
.page-cta h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;letter-spacing:-.028em;margin-bottom:12px;}
.page-cta p{font-size:15.4px;color:#BFCBE4;line-height:1.8;max-width:600px;}
.page-cta .btn{white-space:nowrap;}

/* ---------- 上一页 / 下一页 ---------- */
.pager{
  display:flex;gap:16px;flex-wrap:wrap;margin-top:30px;
}
.pager a{
  flex:1;min-width:240px;display:block;text-decoration:none;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 22px;transition:border-color .22s ease,transform .22s ease,box-shadow .25s ease;
}
.pager a:hover{border-color:rgba(59,91,255,.3);transform:translateY(-3px);box-shadow:var(--shadow);}
.pager small{display:block;font-size:12.4px;color:var(--muted-2);margin-bottom:6px;}
.pager b{font-size:15.4px;color:var(--ink);font-weight:600;}

/* ---------- 页脚页面索引 ---------- */
.footer-pages{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.09);
}
.footer-pages a{font-size:12.8px;color:#7D8EB0;transition:color .2s ease;}
.footer-pages a:hover{color:#fff;}

@media (max-width:1080px){
  .page-cta{grid-template-columns:1fr;gap:26px;padding:38px 32px;}
}
@media (max-width:880px){
  .page-hero{padding:46px 0 52px;}
}
@media (max-width:640px){
  .qa{padding:22px 20px;}
  .qa h3{padding-left:0;}
  .qa h3::before{display:none;}
  .page-cta{padding:30px 22px;}
  .pager a{min-width:100%;}
}