/* ==========================================================================
   深圳爱特蜂网络科技有限公司 — 官网样式
   主色：黄 #F8B828（取自 LOGO） / 黑 #0B0B0C
   版面参考：Norton 首页（深色 Hero + 卡片矩阵 + 强 CTA）
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --y: #F8B828;
  --y-bright: #FFC845;
  --y-deep: #D99400;
  --y-soft: #FFF6E2;
  --y-wash: #FFFBF2;

  --ink: #0B0B0C;
  --ink-2: #17171B;
  --ink-3: #24242A;
  --body: #4C4C56;
  --muted: #7A7A85;

  --line: #E7E7EC;
  --line-2: #F1F1F4;
  --bg: #FFFFFF;
  --bg-soft: #F7F7F9;

  --ok: #12A150;
  --grad-y: linear-gradient(135deg, #FFD25E 0%, #F8B828 55%, #E39C05 100%);

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  --sh-1: 0 1px 2px rgba(16, 16, 20, .05), 0 6px 18px -8px rgba(16, 16, 20, .09);
  --sh-2: 0 2px 6px rgba(16, 16, 20, .06), 0 18px 44px -18px rgba(16, 16, 20, .18);
  --sh-y: 0 10px 30px -10px rgba(226, 156, 5, .55);

  --max: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.022em;
}

::selection { background: var(--y); color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--y);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. 布局工具 ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap-sm { max-width: 900px; }

.sec { padding: 96px 0; position: relative; }
.sec-tight { padding: 68px 0; }
.sec-dark { background: var(--ink); color: #B9B9C2; }
.sec-dark h1, .sec-dark h2, .sec-dark h3, .sec-dark h4 { color: #fff; }
.sec-soft { background: var(--bg-soft); }
.sec-warm { background: var(--y-wash); }

.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.center { text-align: center; }

/* ---------- 4. 标题组件 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--y-deep);
  background: var(--y-soft);
  border: 1px solid rgba(226, 156, 5, .22);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--y); box-shadow: 0 0 0 3px rgba(248, 184, 40, .3);
}
.sec-dark .eyebrow {
  color: var(--y); background: rgba(248, 184, 40, .1);
  border-color: rgba(248, 184, 40, .28);
}

.h-sec { font-size: clamp(28px, 3.4vw, 42px); margin-bottom: 16px; }
.lead { font-size: 17px; color: var(--body); max-width: 720px; }
.sec-dark .lead { color: #A5A5B0; }
.center .lead { margin-left: auto; margin-right: auto; }

.sec-head { margin-bottom: 52px; }
.sec-head.center { text-align: center; }
.sec-head.center .eyebrow { margin-left: auto; margin-right: auto; }

.hl { color: var(--ink); background: linear-gradient(transparent 62%, rgba(248,184,40,.85) 62%); padding: 0 2px; }
.sec-dark .hl { color: #fff; }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 28px; border-radius: 100px; border: 2px solid transparent;
  font-weight: 700; font-size: 15.5px; cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease),
              background .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-y { background: var(--y); color: var(--ink); box-shadow: var(--sh-y); }
.btn-y:hover { background: var(--y-bright); }

.btn-k { background: var(--ink); color: #fff; }
.btn-k:hover { background: var(--ink-3); box-shadow: var(--sh-2); }

.btn-o { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-o:hover { background: var(--ink); color: #fff; }

.sec-dark .btn-o { border-color: rgba(255,255,255,.32); color: #fff; }
.sec-dark .btn-o:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn-w { background: #fff; color: var(--ink); }
.btn-w:hover { background: var(--y); }

.btn-sm { padding: 10px 20px; font-size: 14.5px; }
.btn-lg { padding: 17px 38px; font-size: 17px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.center .btn-row { justify-content: center; }

.tlink {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--ink);
  border-bottom: 2px solid var(--y); padding-bottom: 2px;
  transition: gap .2s var(--ease), color .2s;
}
.tlink:hover { gap: 12px; color: var(--y-deep); }
.tlink::after { content: "→"; }

/* ---------- 6. 头部导航 ---------- */
.hdr {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.hdr.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 24px -14px rgba(0,0,0,.2); }

.hdr-in {
  display: flex; align-items: center; justify-content: space-between;
  height: 78px; gap: 24px;
}
.hdr-logo { display: flex; align-items: center; flex-shrink: 0; }
.hdr-logo img { height: 42px; width: auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 9px 15px; border-radius: 100px;
  font-size: 15.5px; font-weight: 600; color: var(--ink-2);
  transition: background .18s, color .18s;
}
.nav a:hover { background: var(--bg-soft); }
.nav a.on { color: var(--ink); background: var(--y-soft); }
.nav a.on::after {
  content: ""; position: absolute; left: 50%; bottom: 1px;
  width: 16px; height: 3px; border-radius: 3px; background: var(--y);
  transform: translateX(-50%);
}
.hdr-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.hdr-tel {
  display: flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--ink); font-size: 15px;
}
.hdr-tel svg { color: var(--y-deep); }

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  border-radius: 12px; background: #fff; cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.burger span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s var(--ease); }
.burger.x span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.x span:nth-child(2) { opacity: 0; }
.burger.x span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mnav {
  position: fixed; inset: 78px 0 auto 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 16px 24px 28px;
  display: none; flex-direction: column; gap: 4px;
  max-height: calc(100vh - 78px); overflow-y: auto;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.25);
}
.mnav.open { display: flex; animation: slideDown .3s var(--ease); }
.mnav a {
  padding: 14px 16px; border-radius: 12px; font-weight: 700;
  color: var(--ink); font-size: 16.5px;
}
.mnav a.on { background: var(--y-soft); }
.mnav .btn { margin-top: 12px; }

@keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink);
  padding: 92px 0 104px;
  color: #A9A9B4;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(900px 480px at 88% -6%, rgba(248, 184, 40, .22), transparent 62%),
    radial-gradient(700px 420px at 8% 108%, rgba(248, 184, 40, .1), transparent 60%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
  pointer-events: none;
}
.hero-in {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center;
}
.hero h1 {
  color: #fff; font-size: clamp(30px, 4.05vw, 50px);
  line-height: 1.16; letter-spacing: -.03em; margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  background: var(--grad-y); -webkit-background-clip: text;
  background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.hero-sub {
  font-size: 17.5px; color: #A9A9B4; max-width: 560px; margin-bottom: 34px;
}
.hero .eyebrow {
  color: var(--y); background: rgba(248,184,40,.1);
  border-color: rgba(248,184,40,.28);
}

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px;
}
.hero-tags span {
  font-size: 13.5px; font-weight: 600; color: #C9C9D2;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  padding: 7px 14px; border-radius: 100px;
}

/* Hero 右侧：系统界面示意（纯 CSS/SVG 绘制） */
.hero-vis { position: relative; }
.hero-vis::after {
  content: ""; position: absolute; inset: -8% -6% -14% -6%;
  background: radial-gradient(closest-side, rgba(248,184,40,.3), transparent 72%);
  filter: blur(28px); z-index: -1;
}

.app {
  border-radius: var(--r-lg); overflow: hidden;
  background: #121216; border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.04) inset;
}
.app-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: #1B1B21;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.app-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3A3A44; }
.app-bar i:first-child { background: #FF5F57; }
.app-bar i:nth-child(2) { background: var(--y); }
.app-bar i:nth-child(3) { background: #2FBF71; }
.app-bar b {
  margin-left: 12px; font-size: 11.5px; font-weight: 600;
  color: #6E6E7A; letter-spacing: .04em;
}
.app-body { display: grid; grid-template-columns: 84px 1fr; }

.app-side { background: #16161B; border-right: 1px solid rgba(255,255,255,.06); padding: 14px 10px; display: flex; flex-direction: column; gap: 7px; }
.app-side div { height: 9px; border-radius: 5px; background: rgba(255,255,255,.07); }
.app-side div.on { background: var(--y); width: 78%; }

.app-main { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.app-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.app-kpi {
  background: #1B1B21; border: 1px solid rgba(255,255,255,.07);
  border-radius: 9px; padding: 10px 11px;
}
.app-kpi u { display: block; font-size: 9px; color: #6E6E7A; text-decoration: none; letter-spacing: .05em; margin-bottom: 3px; }
.app-kpi s { display: block; font-size: 16px; font-weight: 800; color: #fff; text-decoration: none; font-family: var(--mono); }
.app-kpi s.y { color: var(--y); }
.app-kpi em { font-size: 9px; color: #2FBF71; font-style: normal; }

.app-chart {
  background: #1B1B21; border: 1px solid rgba(255,255,255,.07);
  border-radius: 9px; padding: 12px; flex: 1; min-height: 104px;
  display: flex; align-items: flex-end; gap: 6px;
}
.app-chart i { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--y), rgba(248,184,40,.28)); }
.app-chart i:nth-child(even) { background: linear-gradient(180deg, #4A4A56, rgba(74,74,86,.25)); }

.app-rows { display: flex; flex-direction: column; gap: 6px; }
.app-rows div { display: flex; align-items: center; gap: 8px; }
.app-rows span { height: 8px; border-radius: 4px; background: rgba(255,255,255,.07); }
.app-rows span:first-child { width: 22px; background: rgba(248,184,40,.5); }
.app-rows span:nth-child(2) { flex: 1; }
.app-rows span:last-child { width: 42px; }

/* ---------- 8. 信任条 ---------- */
.trust {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden;
}
.trust > div { background: #fff; padding: 28px 22px; text-align: center; }
.trust b {
  display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 800;
  color: var(--ink); letter-spacing: -.03em; line-height: 1.1;
  font-family: var(--font);
}
.trust b i { font-style: normal; color: var(--y-deep); font-size: .58em; font-weight: 800; margin-left: 2px; }
.trust u { display: block; margin-top: 8px; font-size: 13.5px; color: var(--muted); text-decoration: none; }

/* ---------- 9. 卡片 ---------- */
.card {
  position: relative; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 26px; overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
  display: flex; flex-direction: column;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-y); transform: scaleX(0); transform-origin: left;
  transition: transform .36s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: rgba(248,184,40,.5); }
.card:hover::before { transform: scaleX(1); }

.card h3 { font-size: 19.5px; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--body); }

.ico {
  width: 52px; height: 52px; border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  background: var(--y-soft); color: var(--y-deep);
  margin-bottom: 20px; flex-shrink: 0;
  transition: background .28s, color .28s, transform .28s var(--ease);
}
.card:hover .ico { background: var(--y); color: var(--ink); transform: scale(1.06) rotate(-4deg); }
.ico svg { width: 26px; height: 26px; }

.card ul.mini { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.card ul.mini li {
  display: flex; gap: 9px; font-size: 14.5px; color: var(--body); align-items: flex-start;
}
.card ul.mini li::before {
  content: ""; flex-shrink: 0; width: 15px; height: 15px; margin-top: 5px;
  border-radius: 50%; background: var(--y-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D99400' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/9px no-repeat;
}
.card .card-foot { margin-top: auto; padding-top: 20px; }

.card-num {
  position: absolute; right: 22px; top: 20px;
  font-size: 34px; font-weight: 800; color: var(--line-2);
  font-family: var(--font); letter-spacing: -.04em; line-height: 1;
}

/* 深色卡片 */
.sec-dark .card, .card-dark {
  background: var(--ink-2); border-color: rgba(255,255,255,.1);
}
.sec-dark .card h3, .card-dark h3 { color: #fff; }
.sec-dark .card p, .card-dark p { color: #A0A0AB; }
.sec-dark .card:hover, .card-dark:hover { border-color: rgba(248,184,40,.55); }
.card-dark .ico { background: rgba(248,184,40,.13); color: var(--y); }
.card-dark:hover .ico { background: var(--y); color: var(--ink); }
.card-dark ul.mini li { color: #A0A0AB; }
.card-dark ul.mini li::before { background: rgba(248,184,40,.14); }
.card-dark .card-num { color: rgba(255,255,255,.06); }

/* ---------- 10. 分栏内容 ---------- */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.split.wide-l { grid-template-columns: 1.12fr .88fr; }
.split h2 { font-size: clamp(26px, 3.1vw, 38px); margin-bottom: 18px; }
.split p + p { margin-top: 14px; }

.chk { display: flex; flex-direction: column; gap: 16px; margin-top: 26px; }
.chk li { display: flex; gap: 14px; align-items: flex-start; }
.chk .ci {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 9px;
  background: var(--y); color: var(--ink);
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.chk .ci svg { width: 16px; height: 16px; }
.chk b { display: block; color: var(--ink); font-size: 16px; margin-bottom: 2px; }
.chk span.sub { font-size: 14.5px; color: var(--muted); }
.sec-dark .chk b { color: #fff; }
.sec-dark .chk span.sub { color: #8E8E9A; }

/* ---------- 11. 对比面板（老系统 → 新系统） ---------- */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; margin-top: 8px; }
.cmp {
  border-radius: var(--r); padding: 24px 22px; border: 1px solid var(--line);
  background: #fff;
}
.cmp.old { background: var(--bg-soft); border-style: dashed; }
.cmp.new { background: var(--ink); border-color: var(--ink); }
.cmp-tag {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .08em;
  padding: 4px 11px; border-radius: 100px; margin-bottom: 14px;
  background: #E9E9EE; color: var(--muted);
}
.cmp.new .cmp-tag { background: rgba(248,184,40,.16); color: var(--y); }
.cmp h4 { font-size: 16.5px; margin-bottom: 12px; }
.cmp.new h4 { color: #fff; }
.cmp ul { display: flex; flex-direction: column; gap: 9px; }
.cmp li { font-size: 14.5px; display: flex; gap: 9px; color: var(--body); }
.cmp li::before { content: "—"; color: #B9B9C2; flex-shrink: 0; }
.cmp.new li { color: #A9A9B4; }
.cmp.new li::before { content: "✓"; color: var(--y); font-weight: 800; }
.cmp-arrow { display: flex; align-items: center; justify-content: center; color: var(--y-deep); }
.cmp-arrow svg { width: 30px; height: 30px; }

/* ---------- 12. 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.step { position: relative; padding: 0 18px; }
.step::after {
  content: ""; position: absolute; top: 21px; left: 50%; width: 100%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 7px, transparent 7px 14px);
}
.step:last-child::after { display: none; }
.step b.n {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line);
  font-size: 15px; font-weight: 800; color: var(--muted);
  margin-bottom: 18px; transition: .3s var(--ease);
}
.step:hover b.n { background: var(--y); border-color: var(--y); color: var(--ink); transform: scale(1.08); }
.step h4 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }
.sec-dark .step::after { background: repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 7px, transparent 7px 14px); }
.sec-dark .step b.n { background: var(--ink); border-color: rgba(255,255,255,.16); color: #8E8E9A; }
.sec-dark .step:hover b.n { background: var(--y); border-color: var(--y); color: var(--ink); }
.sec-dark .step p { color: #8E8E9A; }

/* ---------- 13. 地区覆盖 ---------- */
.regions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.region {
  position: relative; border-radius: var(--r-lg); padding: 34px 30px;
  background: #fff; border: 1px solid var(--line); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.region:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.region::after {
  content: ""; position: absolute; right: -40px; bottom: -50px;
  width: 150px; height: 150px; border-radius: 50%;
  background: var(--y-soft); transition: transform .4s var(--ease);
}
.region:hover::after { transform: scale(1.25); }
.region .rc { position: relative; z-index: 1; }
.region .rpin {
  width: 46px; height: 46px; border-radius: 14px; background: var(--ink);
  color: var(--y); display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.region .rpin svg { width: 23px; height: 23px; }
.region h3 { font-size: 22px; margin-bottom: 6px; }
.region .en { font-size: 12.5px; letter-spacing: .1em; color: var(--y-deep); font-weight: 700; text-transform: uppercase; margin-bottom: 14px; }
.region p { font-size: 14.5px; }
.region ul { margin-top: 18px; display: flex; flex-direction: column; gap: 7px; }
.region ul li { font-size: 14px; display: flex; gap: 8px; color: var(--body); }
.region ul li::before { content: "·"; color: var(--y-deep); font-weight: 800; }

/* ---------- 14. 行业方案条目 ---------- */
.sol {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--r);
  background: #fff; transition: .28s var(--ease);
}
a.sol:hover { border-color: rgba(248,184,40,.55); box-shadow: var(--sh-1); transform: translateX(4px); }
.sol .si {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--y-soft); color: var(--y-deep);
  display: flex; align-items: center; justify-content: center;
}
.sol .si svg { width: 21px; height: 21px; }
.sol h4 { font-size: 16.5px; margin-bottom: 5px; }
.sol p { font-size: 14.5px; color: var(--muted); }

/* ---------- 15. 数据表 ---------- */
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.tablewrap::-webkit-scrollbar { height: 8px; }
.tablewrap::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.tablewrap::-webkit-scrollbar-track { background: transparent; }

/* 窄屏表格横向滚动提示 */
.tscroll { display: none; font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 10px; }
.tscroll::after { content: "  →"; color: var(--y-deep); font-weight: 800; }
@media (max-width: 900px) { .tscroll { display: block; } }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 620px; }
thead th {
  background: var(--ink); color: #fff; font-weight: 700;
  padding: 15px 18px; text-align: left; white-space: nowrap; font-size: 14px;
}
tbody td { padding: 14px 18px; border-bottom: 1px solid var(--line-2); vertical-align: top; color: var(--body); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--y-wash); }
tbody td strong { color: var(--ink); }

/* ---------- 16. FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details {
  border: 1px solid var(--line); border-radius: var(--r);
  background: #fff; overflow: hidden; transition: border-color .25s;
}
.faq details[open] { border-color: rgba(248,184,40,.55); box-shadow: var(--sh-1); }
.faq summary {
  cursor: pointer; padding: 20px 24px; font-weight: 700; color: var(--ink);
  font-size: 16px; display: flex; align-items: center; gap: 14px;
  list-style: none; transition: background .2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; font-size: 22px; font-weight: 700;
  color: var(--y-deep); line-height: 1; transition: transform .3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { background: var(--y-wash); }
.faq .faq-b { padding: 0 24px 22px; font-size: 15px; color: var(--body); }
.faq .faq-b p + p { margin-top: 10px; }

/* 深色卡片内的 FAQ */
.card-dark .faq details { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); }
.card-dark .faq details[open] { border-color: rgba(248,184,40,.55); box-shadow: none; }
.card-dark .faq summary { color: #fff; }
.card-dark .faq summary:hover { background: rgba(255,255,255,.05); }
.card-dark .faq .faq-b { color: #A0A0AB; }
.card-dark .faq .faq-b strong { color: #fff; }

/* ---------- 17. CTA 区块 ---------- */
.cta {
  position: relative; overflow: hidden;
  background: var(--ink); border-radius: var(--r-xl);
  padding: 60px 56px; color: #A9A9B4;
  display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(680px 340px at 94% 10%, rgba(248,184,40,.26), transparent 64%),
              linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
              linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); margin-bottom: 14px; }
.cta .cta-side { display: flex; flex-direction: column; gap: 12px; }
.cta .cta-side .btn { width: 100%; }
.cta-info { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 24px; }
.cta-info div { display: flex; align-items: center; gap: 10px; font-size: 15px; color: #C9C9D2; }
.cta-info svg { width: 18px; height: 18px; color: var(--y); flex-shrink: 0; }

/* ---------- 18. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: start; }
.cinfo { display: flex; flex-direction: column; gap: 14px; }
.cinfo-item {
  display: flex; gap: 16px; padding: 22px 24px;
  border: 1px solid var(--line); border-radius: var(--r); background: #fff;
  transition: .26s var(--ease);
}
.cinfo-item:hover { border-color: rgba(248,184,40,.55); box-shadow: var(--sh-1); }
.cinfo-item .ci2 {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--y-soft); color: var(--y-deep);
  display: flex; align-items: center; justify-content: center;
}
.cinfo-item .ci2 svg { width: 21px; height: 21px; }
.cinfo-item u { display: block; font-size: 12.5px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; font-weight: 700; text-decoration: none; margin-bottom: 4px; }
.cinfo-item b { display: block; font-size: 16.5px; color: var(--ink); font-weight: 700; word-break: break-all; line-height: 1.5; }
.cinfo-item b a:hover { color: var(--y-deep); }
.cinfo-item small { display: block; font-size: 13.5px; color: var(--muted); margin-top: 4px; }

.form {
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: #fff; padding: 34px 32px; box-shadow: var(--sh-1);
}
.form h3 { font-size: 22px; margin-bottom: 6px; }
.form > p.hint { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.fld { margin-bottom: 18px; }
.fld label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.fld label em { color: var(--y-deep); font-style: normal; }
.fld input, .fld textarea, .fld select {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line);
  border-radius: var(--r-sm); background: #fff; font-size: 15px;
  transition: border-color .2s, box-shadow .2s; color: var(--ink);
}
.fld textarea { resize: vertical; min-height: 118px; line-height: 1.65; }
.fld input:focus, .fld textarea:focus, .fld select:focus {
  outline: none; border-color: var(--y); box-shadow: 0 0 0 4px rgba(248,184,40,.16);
}
.fld input.err, .fld textarea.err { border-color: #E5484D; box-shadow: 0 0 0 4px rgba(229,72,77,.1); }
.fld .msg { display: none; font-size: 13px; color: #E5484D; margin-top: 6px; font-weight: 600; }
.fld .msg.show { display: block; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-ok {
  display: none; text-align: center; padding: 22px 10px;
}
.form-ok.show { display: block; animation: slideDown .35s var(--ease); }
.form-ok .okic {
  width: 62px; height: 62px; border-radius: 50%; margin: 0 auto 18px;
  background: var(--y); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
}
.form-ok .okic svg { width: 30px; height: 30px; }
.form-ok h4 { font-size: 20px; margin-bottom: 8px; }
.form-ok p { font-size: 14.5px; color: var(--muted); }

/* ---------- 19. 页脚 ---------- */
.ftr { background: var(--ink); color: #8E8E9A; padding: 62px 0 0; font-size: 14.5px; }
.ftr-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 44px; }
.ftr-logo img { height: 40px; width: auto; margin-bottom: 18px; background: rgba(255,255,255,.96); padding: 7px 12px; border-radius: 10px; }
.ftr-top p { font-size: 14px; line-height: 1.8; color: #8E8E9A; }
.ftr h5 { color: #fff; font-size: 15px; margin-bottom: 18px; font-weight: 700; }
.ftr ul { display: flex; flex-direction: column; gap: 11px; }
.ftr a:hover { color: var(--y); }
.ftr-c { display: flex; flex-direction: column; gap: 12px; }
.ftr-c div { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; }
.ftr-c svg { width: 16px; height: 16px; color: var(--y); flex-shrink: 0; margin-top: 4px; }
.ftr-b {
  border-top: 1px solid rgba(255,255,255,.09); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13.5px; color: #6E6E7A;
}
.ftr-b a:hover { color: var(--y); }

/* ---------- 20. 浮动联系 ---------- */
.float {
  position: fixed; right: 22px; bottom: 24px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px;
}
.float a, .float button {
  width: 52px; height: 52px; border-radius: 50%; border: 0;
  display: flex; align-items: center; justify-content: center;
  background: #fff; color: var(--ink); cursor: pointer;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.3);
  transition: .25s var(--ease); position: relative;
}
.float a:hover, .float button:hover { transform: translateY(-3px) scale(1.06); }
.float .f-y { background: var(--y); }
.float .f-k { background: var(--ink); color: var(--y); }
.float svg { width: 23px; height: 23px; }
.float .tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%) translateX(6px);
  background: var(--ink); color: #fff; font-size: 13px; font-weight: 600;
  padding: 8px 14px; border-radius: 9px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: .25s var(--ease);
}
.float a:hover .tip, .float button:hover .tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* 「回到顶部」默认隐藏，滚动超过一屏才出现 */
.float .f-top { opacity: 0; visibility: hidden; transform: translateY(10px) scale(.88); pointer-events: none; }
.float .f-top.show { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.float .f-top.show:hover { transform: translateY(-3px) scale(1.06); }

/* ---------- 21. 子页 Hero ---------- */
.phero {
  position: relative; overflow: hidden;
  background: var(--ink); color: #A9A9B4;
  padding: 74px 0 78px;
}
.phero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(720px 380px at 88% 0%, rgba(248,184,40,.2), transparent 62%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
}
.phero-in { position: relative; z-index: 1; max-width: 820px; }
.phero h1 { color: #fff; font-size: clamp(30px, 4vw, 48px); margin-bottom: 18px; letter-spacing: -.03em; }
.phero p { font-size: 17px; color: #A9A9B4; max-width: 700px; }
.phero .eyebrow { color: var(--y); background: rgba(248,184,40,.1); border-color: rgba(248,184,40,.28); }

.crumb { display: flex; gap: 8px; font-size: 13.5px; color: #6E6E7A; margin-bottom: 20px; align-items: center; }
.crumb a:hover { color: var(--y); }

/* ---------- 22. 滚动动画 ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .08s; }
.rv.d2 { transition-delay: .16s; }
.rv.d3 { transition-delay: .24s; }
.rv.d4 { transition-delay: .32s; }

/* ---------- 23. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .burger { display: flex; }
  .hero-in { grid-template-columns: 1fr; gap: 46px; }
  .hero-vis { max-width: 520px; }
  .ftr-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .step:nth-child(3)::after { display: none; }
}

@media (max-width: 860px) {
  .sec { padding: 68px 0; }
  .split, .split.wide-l, .contact-grid, .cta { grid-template-columns: 1fr; gap: 38px; }
  .cta { padding: 44px 30px; }
  .g3 { grid-template-columns: 1fr 1fr; }
  .trust { grid-template-columns: 1fr 1fr; }
  .regions { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(3)::after { display: block; }
  .step:nth-child(even)::after { display: none; }
  .compare { grid-template-columns: 1fr; }
  .cmp-arrow svg { transform: rotate(90deg); }
  .hdr-tel { display: none; }
  .hdr-in { height: 70px; }
  .hdr-logo img { height: 36px; }
  .mnav { inset: 70px 0 auto 0; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .sec { padding: 56px 0; }
  .g2, .g3, .g4, .steps, .frow { grid-template-columns: 1fr; }
  .step { padding: 0; }
  .step::after { display: none !important; }
  .trust { grid-template-columns: 1fr; }
  .hdr-cta .btn { display: none; }
  .ftr-top { grid-template-columns: 1fr; }
  .cta-info { flex-direction: column; gap: 12px; }
  .app-body { grid-template-columns: 62px 1fr; }
  .float { right: 14px; bottom: 16px; }
  .float a, .float button { width: 46px; height: 46px; }
  .hero { padding: 62px 0 72px; }
}

@media print {
  .hdr, .float, .cta, .mnav { display: none !important; }
  body { color: #000; }
}