/* =========================================================
   攻略宝科技官网 · 全站样式
   设计语言：光亮渐变 · 网红风 · 苹果质感（亮色，禁止深色大色块）
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --brand:#2563eb;
  --brand-2:#7c3aed;
  --brand-3:#06b6d4;
  --brand-4:#f43f5e;
  --amber:#f59e0b;

  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e6ebf7;

  --bg:#ffffff;
  --bg-soft:#f5f8ff;
  --bg-tint:#eef4ff;
  --bg-lav:#f6f3ff;
  --bg-glass:rgba(255,255,255,.78);

  --grad:linear-gradient(120deg,#2563eb 0%,#7c3aed 52%,#06b6d4 100%);
  --grad-soft:linear-gradient(120deg,#eef2ff 0%,#f5f3ff 50%,#ecfeff 100%);
  --grad-warm:linear-gradient(120deg,#f43f5e 0%,#f59e0b 100%);
  --grad-btn:linear-gradient(120deg,#2563eb 0%,#7c3aed 100%);

  --radius:20px;
  --radius-lg:28px;
  --radius-pill:999px;

  --shadow-sm:0 2px 10px rgba(37,99,235,.08);
  --shadow:0 12px 32px rgba(37,99,235,.10);
  --shadow-lg:0 24px 60px rgba(37,99,235,.16);
  --shadow-grad:0 14px 34px rgba(124,58,237,.22);

  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"SF Mono",Consolas,"Courier New",monospace;
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}

.container{width:min(1180px,92%);margin-inline:auto;}

/* ---------- 3. 工具类 ---------- */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.text-muted{color:var(--muted);}
.center{text-align:center;}
.mt-24{margin-top:24px;}
.mt-40{margin-top:40px;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--grad-soft);
  border:1px solid rgba(124,58,237,.18);
  color:var(--brand-2);font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow i{font-size:12px;}

.section-head{max-width:760px;margin:0 auto 52px;text-align:center;}
.section-head h2{font-size:clamp(26px,3.4vw,40px);margin:18px 0 14px;}
.section-head p{color:var(--muted);font-size:17px;}

.section{padding:96px 0;position:relative;}
.section-soft{background:linear-gradient(180deg,var(--bg-soft) 0%,#ffffff 100%);}
.section-lav{background:linear-gradient(180deg,var(--bg-lav) 0%,#ffffff 100%);}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .25s cubic-bezier(.2,.8,.3,1),box-shadow .25s,filter .25s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-btn);color:#fff;
  box-shadow:var(--shadow-grad);
}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 20px 44px rgba(124,58,237,.32);}
.btn-ghost{
  background:#fff;color:var(--ink);
  border:1.5px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:rgba(37,99,235,.4);box-shadow:var(--shadow);}
.btn-lg{padding:17px 36px;font-size:16px;}
.btn i{font-size:14px;}

/* ---------- 5. 背景装饰（纯 CSS 极光 + 网格） ---------- */
.aurora{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;}
.aurora::before,.aurora::after{
  content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;
}
.aurora::before{
  width:560px;height:560px;left:-160px;top:-180px;
  background:radial-gradient(circle,rgba(37,99,235,.30),transparent 70%);
}
.aurora::after{
  width:620px;height:620px;right:-200px;top:-120px;
  background:radial-gradient(circle,rgba(124,58,237,.26),transparent 70%);
}
.aurora .blob-3{
  position:absolute;width:520px;height:520px;border-radius:50%;
  left:38%;bottom:-260px;filter:blur(80px);opacity:.45;
  background:radial-gradient(circle,rgba(6,182,212,.28),transparent 70%);
}
.grid-bg{
  position:absolute;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:
    linear-gradient(rgba(37,99,235,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(37,99,235,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 80% 65% at 50% 35%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 50% 35%,#000 30%,transparent 78%);
}

/* ---------- 6. 顶部信息条 ---------- */
.topbar{
  background:var(--grad-btn);
  color:#fff;font-size:13px;
  padding:9px 0;position:relative;z-index:60;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.topbar-left{opacity:.95;display:flex;align-items:center;gap:8px;}
.topbar-left i{color:#fde68a;}
.topbar-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.topbar-right a{color:#fff;font-weight:700;}
.topbar-right b{color:#fde68a;}
.topbar-right i{margin-right:5px;opacity:.9;}
.tb-dot{opacity:.45;}

/* ---------- 7. 导航（毛玻璃） ---------- */
.navbar{
  position:sticky;top:0;z-index:50;
  background:var(--bg-glass);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(230,235,247,.9);
  transition:box-shadow .3s,background .3s;
}
.navbar.scrolled{box-shadow:0 10px 30px rgba(37,99,235,.10);background:rgba(255,255,255,.92);}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-logo{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:var(--grad-btn);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 8px 20px rgba(124,58,237,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:19px;letter-spacing:.01em;}
.brand-text small{font-size:10.5px;color:var(--muted);letter-spacing:.12em;font-weight:600;}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  padding:9px 15px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:all .22s;
}
.nav-link:hover{color:var(--brand);background:var(--bg-tint);}
.nav-link.active{
  color:#fff;background:var(--grad-btn);
  box-shadow:0 8px 18px rgba(37,99,235,.24);
}

.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-phone{display:flex;align-items:center;gap:9px;padding:7px 13px;border-radius:14px;transition:background .22s;}
.nav-phone:hover{background:var(--bg-tint);}
.nav-phone i{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  background:var(--grad-warm);color:#fff;
  display:grid;place-items:center;font-size:13px;
}
.np-text{display:flex;flex-direction:column;line-height:1.2;}
.np-text em{font-style:normal;font-size:10.5px;color:var(--muted);}
.np-text b{font-size:15px;color:var(--ink);font-family:var(--mono);letter-spacing:.01em;}

.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--bg-tint);color:var(--ink);font-size:17px;}

/* ---------- 8. 首屏 Hero ---------- */
.hero{position:relative;padding:88px 0 76px;overflow:hidden;background:linear-gradient(180deg,#f7f9ff 0%,#ffffff 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}

.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.badge i{font-size:11px;}
.badge.b-blue{color:var(--brand);border-color:rgba(37,99,235,.25);background:#eef4ff;}
.badge.b-purple{color:var(--brand-2);border-color:rgba(124,58,237,.25);background:#f5f3ff;}
.badge.b-teal{color:#0e7490;border-color:rgba(6,182,212,.28);background:#ecfeff;}
.badge.b-pink{color:var(--brand-4);border-color:rgba(244,63,94,.22);background:#fff1f3;}
.badge.b-amber{color:#b45309;border-color:rgba(245,158,11,.28);background:#fffbeb;}

.hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.22;letter-spacing:-.02em;}
.hero-sub{margin-top:20px;font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:560px;}
.hero-sub b{color:var(--brand);font-weight:800;}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:28px;border-top:1px dashed var(--line);}
.hstat b{display:block;font-size:26px;font-weight:800;line-height:1.15;}
.hstat span{font-size:12.5px;color:var(--muted);}

/* AI 回答演示卡 */
.ai-demo{
  position:relative;background:#fff;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
  overflow:hidden;transform:rotate(.6deg);
}
.ai-demo-bar{
  display:flex;align-items:center;gap:9px;
  padding:14px 18px;border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,#f8faff,#faf8ff);
}
.dot{width:10px;height:10px;border-radius:50%;}
.dot.r{background:#f87171;}.dot.y{background:#fbbf24;}.dot.g{background:#34d399;}
.ai-demo-bar .title{margin-left:6px;font-size:12.5px;font-weight:700;color:var(--ink-2);}
.ai-demo-bar .live{
  margin-left:auto;display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:700;color:#059669;background:#ecfdf5;
  padding:4px 10px;border-radius:var(--radius-pill);
}
.live-dot{width:6px;height:6px;border-radius:50%;background:#10b981;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

.ai-demo-body{padding:20px;display:flex;flex-direction:column;gap:14px;}
.chat-row{display:flex;gap:10px;align-items:flex-start;}
.chat-row.me{flex-direction:row-reverse;}
.chat-av{
  width:32px;height:32px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;font-size:13px;color:#fff;
}
.chat-av.user{background:#cbd5e1;}
.chat-av.bot{background:var(--grad-btn);box-shadow:0 6px 14px rgba(124,58,237,.28);}
.chat-bub{
  max-width:82%;padding:12px 15px;border-radius:16px;
  font-size:13.5px;line-height:1.7;
}
.chat-row.me .chat-bub{background:var(--bg-tint);border:1px solid rgba(37,99,235,.14);border-top-right-radius:5px;}
.chat-row.bot .chat-bub{background:#fff;border:1px solid var(--line);border-top-left-radius:5px;box-shadow:var(--shadow-sm);}
.chat-bub .hl{
  background:var(--grad);color:#fff;
  padding:1px 8px;border-radius:7px;font-weight:700;font-size:12.5px;
  display:inline-block;margin:0 2px;
}
.chat-bub .tag{
  display:inline-block;padding:1px 8px;border-radius:7px;font-size:11.5px;font-weight:700;
  background:#fff7ed;color:#c2410c;border:1px solid #fed7aa;margin:0 2px 2px 0;
}
.chat-bub .tag.t2{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe;}
.chat-bub .tag.t3{background:#f5f3ff;color:#6d28d9;border-color:#ddd6fe;}

.chat-src{
  display:flex;flex-wrap:wrap;gap:6px;padding:11px 13px;
  border-radius:13px;background:var(--grad-soft);
  border:1px dashed rgba(124,58,237,.22);
}
.chat-src .lbl{font-size:11px;font-weight:700;color:var(--brand-2);align-self:center;margin-right:2px;}
.src-chip{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 9px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:11px;font-weight:600;color:var(--ink-2);
}

.ai-demo-foot{
  padding:12px 18px;border-top:1px solid var(--line);
  background:linear-gradient(120deg,#eef4ff,#f5f3ff);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--ink-2);
}
.ai-demo-foot b{color:var(--brand-2);}
.mini-btn{
  padding:7px 14px;border-radius:var(--radius-pill);
  background:var(--grad-btn);color:#fff;font-size:12px;font-weight:700;
  box-shadow:0 6px 14px rgba(124,58,237,.26);
}

/* ---------- 9. 卡片通用 ---------- */
.card{
  background:#fff;border-radius:var(--radius);
  border:1px solid var(--line);
  padding:28px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s,border-color .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.22);}

/* 业务矩阵 */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.biz-card{position:relative;overflow:hidden;display:flex;flex-direction:column;}
.biz-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--grad);opacity:0;transition:opacity .3s;
}
.biz-card:hover::after{opacity:1;}
.biz-icon{
  width:56px;height:56px;border-radius:17px;
  display:grid;place-items:center;font-size:22px;color:#fff;
  margin-bottom:18px;box-shadow:0 10px 22px rgba(37,99,235,.22);
}
.bi-1{background:linear-gradient(135deg,#2563eb,#7c3aed);}
.bi-2{background:linear-gradient(135deg,#7c3aed,#a855f7);}
.bi-3{background:linear-gradient(135deg,#06b6d4,#2563eb);}
.bi-4{background:linear-gradient(135deg,#f43f5e,#f59e0b);}
.biz-card h3{font-size:19px;margin-bottom:10px;}
.biz-card p{color:var(--muted);font-size:14px;line-height:1.8;flex:1;}
.biz-card .biz-more{
  margin-top:18px;display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:700;color:var(--brand);
}
.biz-card .biz-more i{transition:transform .25s;}
.biz-card:hover .biz-more i{transform:translateX(4px);}
.biz-tag{
  position:absolute;top:18px;right:18px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:11px;font-weight:800;letter-spacing:.03em;
}
.biz-tag.hot{background:var(--grad-warm);color:#fff;box-shadow:0 6px 14px rgba(244,63,94,.28);}
.biz-tag.star{background:var(--grad-btn);color:#fff;box-shadow:0 6px 14px rgba(37,99,235,.26);}

/* 特性 / 能力网格 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feature-card{display:flex;gap:16px;align-items:flex-start;padding:26px 22px;}
.f-icon{
  width:48px;height:48px;border-radius:14px;flex-shrink:0;
  display:grid;place-items:center;font-size:18px;color:#fff;
  background:var(--grad-btn);box-shadow:0 8px 18px rgba(37,99,235,.22);
}
.f-icon.warm{background:var(--grad-warm);box-shadow:0 8px 18px rgba(244,63,94,.22);}
.f-icon.teal{background:linear-gradient(135deg,#06b6d4,#2563eb);}
.feature-card h4{font-size:16.5px;margin-bottom:7px;}
.feature-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* 两栏板块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.rev .split-media{order:2;}
.split-body h2{font-size:clamp(25px,3vw,36px);margin:16px 0 18px;}
.split-body>p{color:var(--muted);font-size:16px;}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:13px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.check-list i{
  width:22px;height:22px;border-radius:8px;flex-shrink:0;margin-top:3px;
  background:var(--grad-btn);color:#fff;font-size:11px;
  display:grid;place-items:center;
}
.check-list b{color:var(--ink);}

/* 平台矩阵（大模型） */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.plat{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 12px;text-align:center;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.plat:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.28);}
.plat .p-ic{
  width:42px;height:42px;margin:0 auto 10px;border-radius:13px;
  display:grid;place-items:center;font-size:17px;color:#fff;
  background:var(--grad-btn);
}
.plat:nth-child(3n+2) .p-ic{background:var(--grad-warm);}
.plat:nth-child(3n) .p-ic{background:linear-gradient(135deg,#06b6d4,#2563eb);}
.plat b{display:block;font-size:13.5px;}
.plat span{font-size:11px;color:var(--muted);}

/* ---------- 10. 流程步骤 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;text-align:center;position:relative;
  transition:transform .3s,box-shadow .3s;
}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.flow-no{
  width:44px;height:44px;margin:0 auto 14px;border-radius:14px;
  background:var(--grad-btn);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 8px 18px rgba(37,99,235,.24);
}
.flow-step h4{font-size:16px;margin-bottom:8px;}
.flow-step p{font-size:12.5px;color:var(--muted);line-height:1.75;}

/* ---------- 11. 数据条 ---------- */
.stat-band{
  background:var(--grad-soft);
  border:1px solid rgba(124,58,237,.14);
  border-radius:var(--radius-lg);
  padding:44px 32px;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{text-align:center;}
.stat-item b{
  display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.15;
}
.stat-item span{font-size:14px;color:var(--ink-2);}
.stat-item em{font-style:normal;font-size:12px;color:var(--muted);display:block;margin-top:3px;}

/* ---------- 12. 案例 / 语录 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{padding:28px 24px;background:#fff;}
.quote-card .q-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-soft);
  display:grid;place-items:center;color:var(--brand-2);font-size:16px;margin-bottom:16px;
}
.quote-card p{font-size:14.5px;color:var(--ink-2);line-height:1.9;}
.quote-user{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.qu-av{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-btn);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.quote-user b{font-size:13.5px;display:block;}
.quote-user span{font-size:11.5px;color:var(--muted);}

/* ---------- 13. FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:13px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .3s,border-color .3s;
}
.faq-item.open{box-shadow:var(--shadow);border-color:rgba(37,99,235,.25);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q i{color:var(--brand);font-size:13px;transition:transform .3s;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.9;}

/* ---------- 14. CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-soft);
  border:1px solid rgba(124,58,237,.16);
  border-radius:var(--radius-lg);
  padding:62px 48px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-180px;filter:blur(70px);opacity:.5;
  background:radial-gradient(circle,rgba(124,58,237,.32),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  left:-140px;bottom:-190px;filter:blur(70px);opacity:.5;
  background:radial-gradient(circle,rgba(37,99,235,.28),transparent 70%);
}
.cta-band>*{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(25px,3.2vw,38px);margin-bottom:14px;}
.cta-band p{color:var(--ink-2);font-size:16.5px;max-width:620px;margin:0 auto;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}
.cta-note{margin-top:18px;font-size:13px;color:var(--muted);}
.cta-note b{color:var(--brand-2);}

/* ---------- 15. 内页 Hero ---------- */
.page-hero{
  position:relative;padding:76px 0 64px;overflow:hidden;
  background:linear-gradient(180deg,#f7f9ff 0%,#ffffff 100%);
}
.page-hero .inner{position:relative;z-index:2;max-width:820px;}
.page-hero h1{font-size:clamp(28px,4vw,46px);line-height:1.28;margin:18px 0 16px;}
.page-hero p.lead{font-size:17px;color:var(--ink-2);}
.crumbs{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumbs a{color:var(--brand);font-weight:600;}
.crumbs .sep{opacity:.5;}

/* ---------- 16. 表格 / 套餐 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;display:flex;flex-direction:column;position:relative;
  transition:transform .3s,box-shadow .3s;
}
.plan:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.plan.featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  box-shadow:var(--shadow-lg);
}
.plan-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  padding:5px 16px;border-radius:var(--radius-pill);
  background:var(--grad-btn);color:#fff;font-size:11.5px;font-weight:800;
  box-shadow:0 8px 18px rgba(37,99,235,.3);white-space:nowrap;
}
.plan h3{font-size:19px;}
.plan .price{margin:16px 0 6px;display:flex;align-items:baseline;gap:5px;}
.plan .price b{font-size:38px;font-weight:800;}
.plan .price span{font-size:13px;color:var(--muted);}
.plan .p-desc{font-size:13px;color:var(--muted);margin-bottom:20px;}
.plan ul{flex:1;display:flex;flex-direction:column;gap:11px;margin-bottom:24px;}
.plan ul li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-2);align-items:flex-start;}
.plan ul li i{color:var(--brand-2);font-size:12px;margin-top:4px;}

/* ---------- 17. 信息表 ---------- */
.info-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.info-table th,.info-table td{padding:15px 18px;text-align:left;font-size:14px;}
.info-table th{background:var(--bg-tint);color:var(--ink);font-weight:700;}
.info-table td{color:var(--ink-2);border-top:1px solid var(--line);}
.info-table tr:hover td{background:#fafbff;}

/* ---------- 18. 页脚 ---------- */
footer{
  background:linear-gradient(180deg,#ffffff 0%,#f4f7ff 100%);
  border-top:1px solid var(--line);
  padding:72px 0 0;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px;}
.footer-logo{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;margin-bottom:16px;}
.footer-desc{font-size:13.5px;color:var(--muted);line-height:1.9;margin-bottom:12px;}
.footer-desc.highlight{
  padding:11px 14px;border-radius:13px;
  background:var(--grad-soft);color:var(--ink-2);
  border:1px solid rgba(124,58,237,.13);font-size:12.5px;
}
.footer-certs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.cert-chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:11px;font-weight:600;color:var(--ink-2);
}
.cert-chip i{color:var(--brand-2);font-size:10px;}

.footer-col h4{font-size:15px;margin-bottom:17px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--muted);transition:color .22s,padding-left .22s;}
.footer-col ul a:hover{color:var(--brand);padding-left:4px;}
.contact-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--muted);}
.contact-list i{color:var(--brand-2);width:15px;margin-top:5px;font-size:12px;flex-shrink:0;}

.icp-bar{
  margin-top:48px;padding:20px 0;
  border-top:1px solid var(--line);
  text-align:center;font-size:12.5px;color:var(--muted);
}
.icp-bar a{color:var(--brand);font-weight:600;}
.icp-bar a:hover{text-decoration:underline;}
.icp-bar .separator{margin:0 10px;opacity:.4;}

/* ---------- 19. 咨询弹窗 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:200;
  background:rgba(15,23,42,.42);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.modal-mask.show{opacity:1;visibility:visible;}
.modal-box{
  position:relative;width:min(440px,100%);
  background:#fff;border-radius:var(--radius-lg);
  padding:34px 30px 26px;
  box-shadow:0 30px 80px rgba(15,23,42,.28);
  transform:translateY(18px) scale(.97);
  transition:transform .35s cubic-bezier(.2,.9,.3,1);
  max-height:92vh;overflow-y:auto;
}
.modal-mask.show .modal-box{transform:translateY(0) scale(1);}
.modal-close{
  position:absolute;top:15px;right:15px;
  width:34px;height:34px;border-radius:11px;
  background:var(--bg-soft);color:var(--muted);font-size:14px;
  display:grid;place-items:center;transition:all .22s;
}
.modal-close:hover{background:#fee2e2;color:#dc2626;}
.modal-head{text-align:center;margin-bottom:22px;}
.modal-avatar{
  width:60px;height:60px;margin:0 auto 13px;border-radius:19px;
  background:var(--grad-btn);color:#fff;font-size:23px;
  display:grid;place-items:center;box-shadow:0 12px 26px rgba(124,58,237,.32);
}
.modal-head h3{font-size:21px;}
.modal-head p{font-size:13px;color:var(--muted);margin-top:7px;}

.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;}
.modal-btn{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:18px 12px;border-radius:var(--radius);
  font-size:13.5px;font-weight:700;color:#fff;
  transition:transform .25s,filter .25s;
}
.modal-btn:hover{transform:translateY(-3px);filter:brightness(1.05);}
.modal-btn i{font-size:24px;}
.modal-btn.wechat{background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 12px 26px rgba(34,197,94,.3);}
.modal-btn.phone{background:var(--grad-btn);box-shadow:0 12px 26px rgba(37,99,235,.3);}

.modal-list{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-bottom:16px;
}
.modal-list li{
  display:flex;align-items:center;gap:10px;
  padding:13px 15px;font-size:13.5px;
  border-bottom:1px solid var(--line);
}
.modal-list li:last-child{border-bottom:none;}
.mk{display:flex;align-items:center;gap:7px;color:var(--muted);width:76px;flex-shrink:0;}
.mk i{color:var(--brand-2);width:15px;}
.mv{flex:1;font-weight:700;color:var(--ink);font-family:var(--mono);word-break:break-all;}
.copy-btn{
  padding:6px 13px;border-radius:9px;
  background:var(--bg-tint);color:var(--brand);
  font-size:12px;font-weight:700;transition:all .22s;flex-shrink:0;
}
.copy-btn:hover{background:var(--grad-btn);color:#fff;}
.modal-foot{
  text-align:center;font-size:12px;color:var(--muted);
  padding:11px 13px;border-radius:12px;background:var(--grad-soft);
}
.modal-foot b{color:var(--brand-2);}

/* ---------- 20. 悬浮按钮 / 提示 ---------- */
.float-consult{
  position:fixed;right:22px;bottom:22px;z-index:120;
  display:flex;align-items:center;gap:8px;
  padding:14px 21px;border-radius:var(--radius-pill);
  background:var(--grad-btn);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 16px 36px rgba(124,58,237,.38);
  transition:transform .28s,box-shadow .28s;
}
.float-consult:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 22px 48px rgba(124,58,237,.46);}
.back-top{
  position:fixed;right:26px;bottom:92px;z-index:110;
  width:44px;height:44px;border-radius:14px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  display:grid;place-items:center;font-size:15px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s,transform .28s;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-3px);}

.toast{
  position:fixed;left:50%;top:24px;transform:translate(-50%,-18px);
  z-index:300;padding:12px 22px;border-radius:var(--radius-pill);
  background:#0f172a;color:#fff;font-size:13.5px;font-weight:600;
  box-shadow:0 16px 40px rgba(15,23,42,.3);
  opacity:0;visibility:hidden;transition:all .3s;
  pointer-events:none;max-width:90vw;text-align:center;
}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- 21. 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}.reveal.d4{transition-delay:.32s;}
.reveal.d5{transition-delay:.40s;}.reveal.d6{transition-delay:.48s;}

/* ---------- 22. 杂项组件 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px;}
.pill{
  padding:8px 17px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.pill i{margin-right:6px;}

.divider-dot{
  display:flex;align-items:center;gap:10px;justify-content:center;
  margin:22px 0;color:var(--muted);font-size:12px;
}
.divider-dot::before,.divider-dot::after{
  content:"";height:1px;width:56px;background:var(--line);
}

.notice-card{
  display:flex;gap:15px;align-items:flex-start;
  padding:22px 24px;border-radius:var(--radius);
  background:var(--grad-soft);border:1px solid rgba(124,58,237,.15);
}
.notice-card .n-ic{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:var(--grad-btn);color:#fff;
  display:grid;place-items:center;font-size:16px;
}
.notice-card h4{font-size:15px;margin-bottom:6px;}
.notice-card p{font-size:13.5px;color:var(--ink-2);line-height:1.85;}

.rank-list{display:flex;flex-direction:column;gap:10px;}
.rank-item{
  display:flex;align-items:center;gap:12px;
  padding:13px 16px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  transition:transform .25s,border-color .25s;
}
.rank-item:hover{transform:translateX(5px);border-color:rgba(37,99,235,.28);}
.rank-no{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background:var(--bg-tint);color:var(--brand);
}
.rank-item:nth-child(-n+3) .rank-no{background:var(--grad-btn);color:#fff;}
.rank-item .r-body{flex:1;}
.rank-item .r-body b{display:block;font-size:14px;}
.rank-item .r-body span{font-size:11.5px;color:var(--muted);}
.rank-item .r-val{font-size:13px;font-weight:800;color:var(--brand-4);}

/* 对比卡 */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.vs-card{padding:28px 26px;border-radius:var(--radius);}
.vs-card.before{background:#fff;border:1px solid var(--line);}
.vs-card.after{background:var(--grad-soft);border:1px solid rgba(124,58,237,.2);}
.vs-label{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:800;margin-bottom:15px;
}
.vs-card.before .vs-label{background:#f1f5f9;color:var(--muted);}
.vs-card.after .vs-label{background:var(--grad-btn);color:#fff;}
.vs-card h4{font-size:17px;margin-bottom:12px;}
.vs-card ul{display:flex;flex-direction:column;gap:10px;}
.vs-card ul li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.vs-card ul li i{margin-top:4px;font-size:11px;flex-shrink:0;}
.vs-card.before ul li i{color:#94a3b8;}
.vs-card.after ul li i{color:var(--brand-2);}

/* ---------- 23. 响应式 ---------- */
@media (max-width:1080px){
  .biz-grid{grid-template-columns:repeat(2,1fr);}
  .plat-grid{grid-template-columns:repeat(4,1fr);}
  .flow-grid{grid-template-columns:repeat(3,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split.rev .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .nav-phone{display:none;}
  .quote-grid{grid-template-columns:1fr;}
  .vs-grid{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .nav-menu{
    position:absolute;top:74px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    padding:12px 20px 18px;gap:4px;
    box-shadow:0 18px 40px rgba(37,99,235,.12);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:13px 16px;border-radius:13px;}
  .nav-toggle{display:grid;place-items:center;}
  .topbar-left{display:none;}
  .topbar-inner{justify-content:center;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:70px 0;}
  .cta-band{padding:46px 26px;}
}
@media (max-width:560px){
  .biz-grid{grid-template-columns:1fr;}
  .plat-grid{grid-template-columns:repeat(3,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-stats{gap:18px;}
  .modal-actions{grid-template-columns:1fr;}
  .nav-actions .btn{padding:11px 18px;font-size:13px;}
  .stat-grid{gap:18px;}
  .float-consult{right:14px;bottom:14px;padding:12px 17px;font-size:13px;}
}

/* 打印：隐藏悬浮与动效 */
@media print{
  .topbar,.navbar,.float-consult,.back-top,.modal-mask,.toast{display:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
}