/* =====================================================================
   共享样式表 · 10 个分站通用
   每站主题色通过 index.html 内联 <style> 的 :root 变量注入：
     --from / --to / --accent
   ===================================================================== */

:root{
  --bg:#06060d;
  --bg-2:#0a0a16;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#ececf6;
  --text-dim:#9a9ab4;
  --text-faint:#6c6c84;
  --from:#615CED;
  --to:#FF6B9D;
  --accent:#FF6B9D;
  --grad:linear-gradient(135deg,var(--from),var(--to));
  --grad-soft:linear-gradient(135deg,rgba(var(--from-rgb,97,92,237),.16),rgba(var(--to-rgb,255,107,157),.16));
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 70px rgba(0,0,0,.5);
  --shadow-glow:0 0 0 1px var(--border), 0 30px 80px rgba(0,0,0,.45);
  --maxw:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* 背景氛围层 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 600px at 12% -8%, color-mix(in srgb,var(--from) 22%,transparent),transparent 60%),
    radial-gradient(820px 560px at 92% 4%, color-mix(in srgb,var(--to) 18%,transparent),transparent 60%),
    radial-gradient(700px 500px at 50% 120%, color-mix(in srgb,var(--accent) 14%,transparent),transparent 60%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
/* 内联 SVG 图标尺寸：默认 1em，各容器按需覆盖 */
svg{flex:0 0 auto;width:1em;height:1em;vertical-align:-0.125em}
.card-icon svg{width:24px;height:24px}
.feat-list .fk svg{width:14px;height:14px}
.float-badge i svg,.domain-tag svg,.hero-trust svg,.eyebrow svg{width:15px;height:15px}
.btn svg{width:17px;height:17px}
.footer-col a svg{width:14px;height:14px}
.trust-line svg{width:15px;height:15px}
.fab-ic svg{width:18px;height:18px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------------- 顶部出售细条 ---------------- */
.sale-bar{
  position:relative;z-index:60;
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  padding:9px 16px;
  font-size:13px;letter-spacing:.01em;
  background:linear-gradient(90deg,color-mix(in srgb,var(--from) 30%,#05050b),color-mix(in srgb,var(--to) 30%,#05050b));
  border-bottom:1px solid var(--border);
  color:#fff;
}
.sale-tag{font-size:15px;filter:saturate(1.2)}
.sale-bar .sale-cta{
  font-weight:700;color:#fff;
  padding:3px 12px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  transition:transform .25s var(--ease),background .25s;
}
.sale-bar .sale-cta:hover{transform:translateY(-1px);background:rgba(255,255,255,.26)}

/* ---------------- 导航 ---------------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s;
}
.nav.scrolled{border-bottom-color:var(--border);background:color-mix(in srgb,var(--bg) 86%,transparent)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.01em;font-size:18px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 8px 22px color-mix(in srgb,var(--to) 45%,transparent);
}
.brand-name{white-space:nowrap}
.brand-name small{display:block;font-size:10px;font-weight:600;color:var(--text-faint);letter-spacing:.18em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:8px 13px;border-radius:10px;color:var(--text-dim);font-size:14.5px;font-weight:500;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--text);background:var(--surface)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-toggle{
  cursor:pointer;border:1px solid var(--border-strong);background:var(--surface);
  color:var(--text);font-weight:700;font-size:12.5px;letter-spacing:.04em;
  padding:7px 11px;border-radius:9px;transition:background .2s,border-color .2s,transform .2s;
}
.lang-toggle:hover{background:var(--surface-2);transform:translateY(-1px)}
.nav-burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-size:18px;cursor:pointer;align-items:center;justify-content:center}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;
  border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 34px color-mix(in srgb,var(--to) 38%,transparent)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px color-mix(in srgb,var(--to) 52%,transparent)}
.btn-soft{background:var(--surface-2);color:var(--text);border-color:var(--border-strong)}
.btn-soft:hover{transform:translateY(-2px);background:color-mix(in srgb,var(--to) 14%,var(--surface-2));border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--surface);transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------------- Hero ---------------- */
.hero{position:relative;padding:78px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);
  padding:6px 14px;border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);
  background:color-mix(in srgb,var(--accent) 10%,transparent);
}
.hero h1{
  font-size:clamp(34px,5vw,58px);line-height:1.08;font-weight:820;letter-spacing:-.02em;
  margin:22px 0 18px;
  background:linear-gradient(180deg,#fff 30%,#cbcbe6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(16px,2vw,19px);color:var(--text-dim);max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;color:var(--text-faint);font-size:13px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust b{color:var(--text-dim);font-weight:600}

/* hero 右侧可视化容器 */
.hero-visual{position:relative}
.mock{
  position:relative;border-radius:20px;padding:20px;
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-glow);
  backdrop-filter:blur(8px);
}
.mock::before{
  content:"";position:absolute;inset:-1px;border-radius:21px;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none;
}
.mock-head{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:16px}
.mock-dots{display:flex;gap:6px}
.mock-dots i{width:11px;height:11px;border-radius:50%;background:var(--border-strong);display:block}
.mock-dots i:nth-child(1){background:#ff5f57}.mock-dots i:nth-child(2){background:#febc2e}.mock-dots i:nth-child(3){background:#28c840}
.mock-title{margin-left:8px;font-size:12.5px;color:var(--text-faint);font-weight:600;letter-spacing:.04em}
.mock-body{display:flex;flex-direction:column;gap:12px}

/* mock: 通用行/卡片 */
.mock-line{height:11px;border-radius:6px;background:var(--surface-2)}
.mock-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px}
.kv{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-dim);padding:5px 0}
.kv b{color:var(--text);font-weight:600}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px;
  background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 32%,transparent)}

/* mock: 聊天气泡 */
.chat{display:flex;flex-direction:column;gap:10px}
.bubble{max-width:84%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.5}
.bubble.in{align-self:flex-start;background:var(--surface-2);border:1px solid var(--border);border-bottom-left-radius:4px}
.bubble.out{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.bubble small{display:block;font-size:10.5px;opacity:.7;margin-top:4px;font-weight:600}

/* mock: 终端 */
.term{font-family:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.9;
  background:#04040a;border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:#cfcfe6}
.term .t-prompt{color:var(--accent)}
.term .t-ok{color:#28c840}
.term .t-dim{color:var(--text-faint)}
.term .t-cursor{display:inline-block;width:8px;height:14px;background:var(--accent);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* mock: 流程/图表 */
.mini-chart{display:flex;align-items:flex-end;gap:8px;height:90px;padding-top:8px}
.mini-chart .bar{flex:1;border-radius:6px 6px 0 0;background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}
.mini-chart .bar.h{background:var(--grad)}

/* hero 浮动徽章 */
.float-badge{
  position:absolute;display:flex;align-items:center;gap:9px;
  padding:10px 14px;border-radius:13px;font-size:12.5px;font-weight:700;color:#fff;
  background:color-mix(in srgb,var(--bg) 70%,transparent);
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.float-badge i{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--grad);font-style:normal}
.float-badge.b1{top:-18px;right:14px;animation:float 5s ease-in-out infinite}
.float-badge.b2{bottom:-16px;left:-14px;animation:float 6s ease-in-out infinite reverse}
@keyframes float{50%{transform:translateY(-9px)}}

/* ---------------- 数据条 ---------------- */
.stats{padding:18px 0;border-block:1px solid var(--border);background:var(--surface)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:8px 6px}
.stat-num{font-size:clamp(26px,3.4vw,38px);font-weight:820;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--text-dim);margin-top:4px}

/* ---------------- 通用区块 ---------------- */
.section{padding:88px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--accent) 4%,transparent),transparent)}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.02em;margin:16px 0 12px;line-height:1.15}
.section-head p{color:var(--text-dim);font-size:17px}
.center .section-head{margin-inline:auto;text-align:center}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--border);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.card::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card-icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--accent) 28%,transparent);color:var(--accent)}
.card h3{font-size:18px;font-weight:720;margin-bottom:9px}
.card p{color:var(--text-dim);font-size:14.5px}

/* ---------------- 产品/方案区 ---------------- */
.product-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.product-text h3{font-size:23px;font-weight:780;margin-bottom:14px}
.product-text p{color:var(--text-dim);margin-bottom:22px}
.feat-list{display:flex;flex-direction:column;gap:14px}
.feat-list li{display:flex;gap:12px;align-items:flex-start}
.feat-list .fk{flex:0 0 24px;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--accent);margin-top:2px}
.feat-list b{display:block;font-size:15px}
.feat-list span{font-size:13.5px;color:var(--text-faint)}

/* flow 流程 */
.flow{display:flex;flex-direction:column;gap:14px}
.flow-row{display:flex;align-items:stretch;gap:12px}
.flow-stage{flex:1;padding:16px;border-radius:14px;background:var(--surface);border:1px solid var(--border);position:relative}
.flow-stage .fn{font-size:11px;font-weight:800;color:var(--accent);letter-spacing:.08em}
.flow-stage .ft{font-size:14px;font-weight:700;margin-top:6px}
.flow-stage .fd{font-size:12px;color:var(--text-faint);margin-top:3px}
.flow-arrow{align-self:center;color:var(--accent);font-size:18px}
.flow-row.wrap{flex-wrap:wrap}

/* deploy 步骤 */
.steps{display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:16px;padding:18px;border-radius:14px;background:var(--surface);border:1px solid var(--border)}
.step .sn{flex:0 0 36px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:800;background:var(--grad);color:#fff}
.step h4{font-size:15.5px;margin-bottom:4px}
.step p{font-size:13px;color:var(--text-faint)}

/* compare 对比表 */
.cmp-table{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface)}
.cmp-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;border-bottom:1px solid var(--border)}
.cmp-row:last-child{border-bottom:none}
.cmp-row > div{padding:13px 16px;font-size:13.5px}
.cmp-head > div{font-weight:800;font-size:13px;color:var(--text);background:var(--surface-2)}
.cmp-head .hl{color:var(--accent)}
.cmp-yes{color:#28c840;font-weight:700}.cmp-no{color:var(--text-faint)}

/* grid wall (模型/机器人卡片墙) */
.grid-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.chip{padding:14px;border-radius:13px;background:var(--surface);border:1px solid var(--border);transition:transform .25s,border-color .25s}
.chip:hover{transform:translateY(-3px);border-color:var(--accent)}
.chip .ct{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px}
.chip .cm{width:26px;height:26px;border-radius:8px;background:var(--grad-soft);display:grid;place-items:center;color:var(--accent);font-size:13px;font-weight:800}
.chip .cd{font-size:12px;color:var(--text-faint);margin-top:6px}

/* ---------------- 价格 ---------------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{
  padding:30px 26px;border-radius:var(--radius);display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.price-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.price-card.hl{border-color:color-mix(in srgb,var(--accent) 55%,transparent);box-shadow:0 20px 60px color-mix(in srgb,var(--accent) 22%,transparent);position:relative}
.price-card.hl::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.price-card .ptag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.price-card.hl .ptag{color:#fff;background:var(--grad);padding:3px 10px;border-radius:999px}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-card .pdesc{font-size:13px;color:var(--text-faint);min-height:34px}
.price{margin:16px 0 4px;font-size:34px;font-weight:820;letter-spacing:-.02em}
.price small{font-size:14px;font-weight:600;color:var(--text-faint)}
.unit{font-size:13px;color:var(--text-dim);margin-bottom:18px}
.price-feat{display:flex;flex-direction:column;gap:11px;margin-bottom:24px;flex:1}
.price-feat li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-dim)}
.price-feat li::before{content:"✓";color:var(--accent);font-weight:800;flex:0 0 auto}
.pricing-note{text-align:center;color:var(--text-faint);font-size:13px;margin-top:26px}

/* ---------------- 案例 ---------------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{padding:26px;border-radius:var(--radius);background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border)}
.case-card .cemoji{font-size:26px;margin-bottom:12px}
.case-card h3{font-size:17px;margin-bottom:8px}
.case-card p{color:var(--text-dim);font-size:14px}
.case-card .cmeta{margin-top:14px;font-size:12px;color:var(--accent);font-weight:700}

/* ---------------- FAQ ---------------- */
.faq{max-width:820px;margin-inline:auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden;transition:border-color .25s}
.faq-item.open{border-color:var(--border-strong)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;background:none;border:none;color:var(--text);text-align:left;
  font-size:16px;font-weight:700;font-family:inherit}
.faq-q .pm{flex:0 0 auto;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--accent);font-size:16px;transition:transform .3s var(--ease)}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 22px 20px;color:var(--text-dim);font-size:14.5px}

/* ---------------- 询价/联系 ---------------- */
.contact{position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 20% 0,color-mix(in srgb,var(--from) 16%,transparent),transparent 60%);pointer-events:none}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative}
.contact-info h2{font-size:clamp(26px,3.4vw,38px);font-weight:820;letter-spacing:-.02em;margin:14px 0 14px;line-height:1.15}
.contact-info p{color:var(--text-dim);font-size:16px;margin-bottom:20px}
.contact-bullets{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.contact-bullets li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--text-dim)}
.contact-bullets li::before{content:"✦";color:var(--accent);font-weight:800;flex:0 0 auto}
.domain-tag{display:inline-flex;align-items:center;gap:8px;font-family:ui-monospace,monospace;font-weight:700;
  padding:6px 12px;border-radius:9px;background:var(--surface-2);border:1px solid var(--border-strong);color:var(--text)}

.contact-form{padding:30px;border-radius:var(--radius);background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border-strong);box-shadow:var(--shadow)}
.contact-form h3{font-size:18px;margin-bottom:6px}
.contact-form .fsub{font-size:13px;color:var(--text-faint);margin-bottom:20px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-dim)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;font-size:14.5px;font-family:inherit;
  background:#06060e;border:1px solid var(--border-strong);color:var(--text);transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-faint)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.field textarea{resize:vertical;min-height:96px}
.form-status{margin-top:14px;font-size:13.5px;font-weight:600;min-height:18px}
.form-status.ok{color:#28c840}.form-status.err{color:#ff6b6b}
.form-note{font-size:11.5px;color:var(--text-faint);margin-top:12px;text-align:center}
.contact-hint{font-size:13.5px;color:var(--text-faint);margin:8px 0 0}
.honey{position:absolute;left:-9999px;top:-9999px}

/* ---------------- 页脚 ---------------- */
.footer{border-top:1px solid var(--border);padding:56px 0 30px;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}
.footer .brand{margin-bottom:14px}
.footer-about{color:var(--text-faint);font-size:13.5px;max-width:300px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--text);margin-bottom:14px}
.footer-col a{display:block;color:var(--text-dim);font-size:14px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.sale-notice{margin-top:14px;padding:13px 15px;border-radius:12px;font-size:13px;
  background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--accent) 32%,transparent);color:var(--text)}
.sale-notice b{color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--border);color:var(--text-faint);font-size:13px}
.footer-bottom a{color:var(--text-dim)}

/* 域名价值 / 浮动询价 / 信任条 */
.trust-line{display:flex;align-items:center;gap:9px;margin:6px 0 22px;font-size:13px;color:var(--text-faint)}
.trust-line svg{width:15px;height:15px;color:var(--accent)}
.fab{
  position:fixed;right:22px;bottom:22px;z-index:45;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 16px 40px color-mix(in srgb,var(--to) 45%,rgba(0,0,0,.5));
  opacity:0;transform:translateY(16px) scale(.92);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .25s;
}
.fab.show{opacity:1;transform:none;pointer-events:auto}
.fab:hover{transform:translateY(-2px);box-shadow:0 22px 50px color-mix(in srgb,var(--to) 60%,rgba(0,0,0,.55))}
.fab-ic svg{width:18px;height:18px}
@media(max-width:760px){.fab{padding:12px 16px;right:16px;bottom:16px}}
.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.card-grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.card-grid.cols-4{grid-template-columns:1fr}}

/* ---------------- 滚动入场动画 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .float-badge{animation:none!important}
  html{scroll-behavior:auto}
}

/* ---------------- 响应式 ---------------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;max-width:480px}
  .product-wrap{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .card-grid,.price-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav-links{
    position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 22px;background:var(--bg-2);border-bottom:1px solid var(--border);
    transform:translateY(-130%);transition:transform .35s var(--ease);box-shadow:var(--shadow);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 12px;font-size:16px;border-radius:10px}
  .nav-burger{display:inline-flex}
  .btn-ghost.nav-cta{display:none}
  .section{padding:64px 0}
  .hero{padding:54px 0 48px}
  .card-grid,.price-grid,.case-grid,.grid-wall{grid-template-columns:1fr}
  .price-card.hl{transform:none}
  .flow-row{flex-direction:column}
  .flow-arrow{transform:rotate(90deg)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cmp-row{grid-template-columns:1fr 1fr}
  .cmp-row > div:nth-child(3){display:none}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .lang-toggle{padding:7px 9px}
}