/* =====================================================
   富掌柜收银系统 · 官网样式
   设计基调：深色导航 + 品牌黄点缀 + 品牌蓝辅助
   ===================================================== */
:root {
  --dark: #14161a;
  --dark-2: #1d2026;
  /* ===== 智链数科官网主题色（与 zhilianshuke.com 完全一致） ===== */
  --brand-blue: #165DFF;          /* 主色蓝 */
  --brand-blue-deep: #0B3FD0;     /* 渐变深端 */
  --brand-orange: #FF7A00;        /* 强调橙 */
  --brand-orange-deep: #E56A00;   /* 橙深端 */
  --brand-navy: #0A2540;          /* 深藏青（页脚） */
  --gold: #FFD08A;                /* 蓝底金色高亮 */
  --blue-deep: #0B3FD0;
  --blue-light: #2E7BFF;
  --accent-orange: #FF7A00;
  --footer-bg: #0A2540;
  /* 渐变 */
  --grad-hero: linear-gradient(135deg, #0B3FD0 0%, #165DFF 45%, #2E7BFF 100%);
  --grad-cta: linear-gradient(135deg, #FF7A00 0%, #FF9A2E 100%);
  --grad-blue: linear-gradient(135deg, #165DFF, #4C8DFF);
  /* 兼容旧变量名：统一指向橙色强调色 */
  --accent-yellow: #FF7A00;
  --active-red: #FF4D4F;
  --text-main: #182234;
  --text-sub: #5B6B85;
  --text-muted: #8A97AD;
  --border-light: #E6ECF7;
  --bg-body: #ffffff;
  --bg-soft: #EEF3FE;
  --card-shadow: 0 8px 30px rgba(16, 60, 120, 0.08);
  --card-shadow-hover: 0 16px 50px rgba(16, 60, 120, 0.14);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ===== 顶部导航 ===== */
.topbar {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-light);
}
.topbar-inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 48px;
  text-decoration: none;
}
.logo-img {
  width: 36px; height: 36px; border-radius: 8px; object-fit: cover;
}
.brand-text { color: var(--text-main); font-size: 18px; font-weight: 700; white-space: nowrap; }
.topnav { display: flex; align-items: center; gap: 30px; flex: 1; }
.topnav a {
  color: var(--text-main); text-decoration: none; font-size: 14px;
  transition: color .2s; position: relative; white-space: nowrap;
}
.topnav a:hover, .topnav a.active { color: var(--brand-blue); }
.topnav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -20px;
  height: 2px; background: var(--brand-blue);
}
.btn-consult {
  background: var(--grad-cta); color: #fff; text-decoration: none;
  padding: 9px 22px; border-radius: 6px; font-size: 14px; font-weight: 700;
  transition: filter .2s; border: none; cursor: pointer; font-family: inherit;
  white-space: nowrap;
}
.btn-consult:hover { filter: brightness(1.05); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-main); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ===== 首页 Hero ===== */
.hero {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(255,255,255,.16), transparent 60%),
    radial-gradient(700px 380px at -5% 110%, rgba(255,122,0,.22), transparent 55%),
    var(--grad-hero);
  color: #fff;
  overflow: hidden;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 84px 32px 72px;
  display: flex; align-items: center; gap: 48px;
}
.hero-copy { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35);
  color: #fff; font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.hero h1 {
  font-size: 52px; line-height: 1.18; margin: 0 0 20px; font-weight: 900; letter-spacing: 1px;
}
.hero h1 .hl { color: var(--gold); }
.hero-sub {
  font-size: 17px; line-height: 1.9; color: rgba(255,255,255,.72);
  max-width: 560px; margin: 0 0 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 44px; }
.btn-primary {
  display: inline-block; background: var(--grad-cta); color: #fff;
  padding: 14px 34px; border-radius: 8px; font-size: 16px; font-weight: 700;
  text-decoration: none; border: none; cursor: pointer; font-family: inherit;
  transition: filter .2s, transform .1s;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:active { transform: scale(.99); }
.btn-ghost {
  display: inline-block; background: transparent; color: #fff;
  padding: 13px 32px; border-radius: 8px; font-size: 16px; font-weight: 500;
  text-decoration: none; border: 1px solid rgba(255,255,255,.35); cursor: pointer;
  transition: border-color .2s, background .2s; font-family: inherit;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.hero-stats { display: flex; gap: 0; }
.hero-stat { padding: 0 36px; border-left: 1px solid rgba(255,255,255,.14); }
.hero-stat:first-child { padding-left: 0; border-left: none; }
.hero-stat b { display: block; font-size: 28px; font-weight: 900; color: #fff; }
.hero-stat b em { font-style: normal; color: var(--gold); font-size: 18px; margin-left: 2px; }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,.55); }

.hero-visual { position: relative; width: 380px; flex-shrink: 0; }
.hero-visual .mascot {
  width: 320px; height: 320px; border-radius: 32px; object-fit: cover;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.12);
}
.float-card {
  position: absolute; background: #fff; color: var(--text-main);
  border-radius: 12px; padding: 12px 16px; font-size: 13px; font-weight: 700;
  box-shadow: 0 12px 32px rgba(0,0,0,.28); display: flex; align-items: center; gap: 10px;
  animation: floaty 4s ease-in-out infinite;
}
.float-card small { display: block; font-weight: 400; color: var(--text-muted); font-size: 11px; }
.float-card .fc-icon {
  width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center;
  justify-content: center; font-size: 17px; flex-shrink: 0;
}
.fc-1 { top: -14px; left: -34px; }
.fc-1 .fc-icon { background: #E8F4FF; }
.fc-2 { bottom: 46px; right: -30px; animation-delay: 1.2s; }
.fc-2 .fc-icon { background: #FFF0E0; }
.fc-3 { bottom: -20px; left: 6px; animation-delay: 2.2s; }
.fc-3 .fc-icon { background: #E8FCE8; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 行业条 ===== */
.industry-strip { background: var(--bg-soft); border-bottom: 1px solid var(--border-light); }
.industry-inner {
  max-width: 1200px; margin: 0 auto; padding: 22px 32px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center;
}
.industry-inner .strip-label { font-size: 14px; font-weight: 700; color: var(--text-sub); margin-right: 8px; }
.industry-pill {
  font-size: 13px; color: var(--text-sub); background: #fff; border: 1px solid var(--border-light);
  padding: 7px 18px; border-radius: 999px; transition: .2s;
}
.industry-pill:hover { color: var(--brand-blue); border-color: var(--brand-blue); }

/* ===== 通用 Section ===== */
.section { padding: 84px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--brand-blue);
  letter-spacing: 3px; margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: 34px; font-weight: 900; margin: 0 0 14px; letter-spacing: 1px; }
.section-head p { font-size: 15px; color: var(--text-sub); line-height: 1.9; margin: 0; }

/* ===== 产品版本卡片 ===== */
.version-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.version-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 34px 30px 30px; position: relative; transition: .25s;
  display: flex; flex-direction: column;
}
.version-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-6px); border-color: transparent; }
.version-card.popular { border: 2px solid var(--brand-orange); }
.pop-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--grad-cta); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 16px; border-radius: 999px; white-space: nowrap;
}
.vc-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center;
  justify-content: center; font-size: 26px; margin-bottom: 20px;
}
.vc-blue { background: #E8F4FF; } .vc-green { background: #E8FCE8; } .vc-orange { background: #FFF0E8; }
.version-card h3 { font-size: 21px; font-weight: 900; margin: 0 0 6px; }
.version-card .vc-tagline { font-size: 13px; color: var(--brand-blue); font-weight: 500; margin: 0 0 18px; }
.version-card ul { list-style: none; margin: 0 0 22px; padding: 0; flex: 1; }
.version-card li {
  font-size: 14px; color: var(--text-sub); padding: 7px 0; display: flex; align-items: center; gap: 10px;
}
.version-card li::before {
  content: '✓'; color: #00B42A; font-weight: 700; font-size: 13px;
  width: 18px; height: 18px; background: #E8FCE8; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.version-card .vc-suit {
  font-size: 12.5px; color: var(--text-muted); background: var(--bg-soft);
  border-radius: 8px; padding: 9px 12px; margin-bottom: 18px; line-height: 1.6;
}
.btn-card {
  display: block; text-align: center; text-decoration: none; font-weight: 700; font-size: 14px;
  padding: 12px 0; border-radius: 8px; transition: .2s;
  background: var(--brand-blue); color: #fff;
}
.btn-card:hover { background: var(--brand-blue-deep); }
.version-card.popular .btn-card { background: var(--grad-cta); color: #fff; }

/* ===== 核心功能 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 28px 24px; transition: .25s;
}
.feature-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.fg-icon {
  width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center;
  justify-content: center; font-size: 24px; margin-bottom: 16px;
}
.feature-card h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.feature-card p { font-size: 13px; color: var(--text-sub); line-height: 1.8; margin: 0; }

/* ===== 硬件速览（蓝渐变区块） ===== */
.hw-strip { background: var(--grad-hero); color: #fff; }
.hw-strip .section-head h2 { color: #fff; }
.hw-strip .section-head p { color: rgba(255,255,255,.78); }
.hw-strip .section-eyebrow { color: var(--gold); }
.hw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.hw-card {
  background: #fff; border: none; border-radius: var(--radius);
  padding: 26px 22px; transition: .25s;
  box-shadow: 0 8px 30px rgba(16,60,120,.12);
}
.hw-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(16,60,120,.2); }
.hw-thumb {
  height: 110px; border-radius: 10px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center; font-size: 44px;
}
.hw-card h3 { font-size: 16px; font-weight: 700; margin: 0 0 6px; color: var(--text-main); }
.hw-card .hw-model { font-size: 12px; color: var(--brand-blue); margin: 0 0 8px; }
.hw-card p { font-size: 13px; color: var(--text-sub); line-height: 1.7; margin: 0; }
.hw-more { text-align: center; margin-top: 40px; }

/* ===== 为什么选择 ===== */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card { text-align: center; padding: 34px 22px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border-light); transition: .25s; }
.why-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.why-num { font-size: 40px; font-weight: 900; color: rgba(22,93,255,.14); line-height: 1; }
.why-icon { font-size: 34px; margin: 8px 0 14px; }
.why-card h3 { font-size: 17px; font-weight: 700; margin: 0 0 10px; }
.why-card p { font-size: 13px; color: var(--text-sub); line-height: 1.8; margin: 0; }

/* ===== 客户案例 ===== */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 30px; transition: .25s; position: relative; overflow: hidden;
}
.case-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--brand-blue); }
.case-card.c-yellow::before { background: var(--accent-yellow); }
.case-card.c-red::before { background: var(--active-red); }
.case-card.c-teal::before { background: #14C9C9; }
.case-top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.case-avatar {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 22px; background: #E8F4FF; flex-shrink: 0;
}
.case-card h3 { font-size: 17px; font-weight: 700; margin: 0; }
.case-industry { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.case-card blockquote {
  margin: 0 0 18px; font-size: 14px; color: var(--text-sub); line-height: 1.9;
  padding: 14px 16px; background: var(--bg-soft); border-radius: 10px; font-style: normal;
}
.case-metrics { display: flex; gap: 12px; }
.case-metric {
  flex: 1; text-align: center; background: #fff; border: 1px solid var(--border-light);
  border-radius: 10px; padding: 10px 6px;
}
.case-metric b { display: block; font-size: 18px; font-weight: 900; color: var(--brand-blue); }
.case-metric span { font-size: 11.5px; color: var(--text-muted); }

/* ===== CTA 横幅 ===== */
.cta-band {
  background:
    radial-gradient(600px 300px at 90% 20%, rgba(255,255,255,.14), transparent 60%),
    var(--grad-hero);
  color: #fff; border-radius: 20px; padding: 56px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ''; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(255,122,0,.4), transparent 70%); border-radius: 50%;
}
.cta-band h2 { font-size: 30px; font-weight: 900; margin: 0 0 12px; }
.cta-band p { font-size: 15px; color: rgba(255,255,255,.7); margin: 0; }
.cta-band .cta-actions { display: flex; gap: 14px; flex-shrink: 0; position: relative; z-index: 1; }

/* ===== 内页 Hero ===== */
.page-hero {
  background:
    radial-gradient(800px 360px at 80% -20%, rgba(255,255,255,.14), transparent 60%),
    var(--grad-hero);
  color: #fff; padding: 64px 0;
}
.page-hero .crumb { font-size: 13px; color: rgba(255,255,255,.5); margin-bottom: 14px; }
.page-hero .crumb a { color: rgba(255,255,255,.7); text-decoration: none; }
.page-hero .crumb a:hover { color: #fff; }
.page-hero h1 { font-size: 40px; font-weight: 900; margin: 0 0 14px; letter-spacing: 1px; }
.page-hero .ph-sub { font-size: 15px; color: rgba(255,255,255,.7); line-height: 1.9; max-width: 760px; margin: 0; }

/* ===== 产品功能页 ===== */
.tier-block { display: grid; grid-template-columns: 300px 1fr; gap: 0; background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; }
.tier-side { padding: 34px 30px; color: #fff; position: relative; }
.tier-side .ts-icon { font-size: 34px; margin-bottom: 14px; }
.tier-side h3 { font-size: 22px; font-weight: 900; margin: 0 0 8px; }
.tier-side p { font-size: 13.5px; color: rgba(255,255,255,.78); line-height: 1.8; margin: 0 0 18px; }
.tier-side .ts-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tier-side .ts-tags span { font-size: 12px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.2); padding: 4px 12px; border-radius: 999px; }
.tier-main { padding: 30px 32px; }
.tier-main .tm-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 28px; }
.tier-main .tm-item { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border-light); font-size: 14px; }
.tier-main .tm-item:last-child, .tier-main .tm-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }
.tier-main .tm-item .tick { color: #00B42A; font-weight: 700; }
.tier-main .tm-item b { font-weight: 700; color: var(--text-main); }
.tier-main .tm-item span { color: var(--text-muted); font-size: 12.5px; }

.module-sec { margin-bottom: 24px; }
.module-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 30px; display: flex; gap: 26px; align-items: flex-start; transition: .25s;
}
.module-card:hover { box-shadow: var(--card-shadow-hover); }
.module-icon {
  width: 62px; height: 62px; border-radius: 16px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 30px;
}
.module-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.module-card p { font-size: 14px; color: var(--text-sub); line-height: 1.9; margin: 0 0 12px; }
.module-points { display: flex; flex-wrap: wrap; gap: 8px; }
.module-points span { font-size: 12.5px; color: var(--brand-blue); background: #E8F4FF; padding: 5px 12px; border-radius: 999px; }

/* ===== 硬件产品页 ===== */
.hw-page-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.hw-pcard {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 26px 24px; transition: .25s; text-align: center;
}
.hw-pcard:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.hw-pcard .hw-thumb { height: 100px; font-size: 46px; margin-bottom: 14px; }
.hw-pcard h3 { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.hw-pcard .hw-model { font-size: 12px; color: var(--brand-blue); margin: 0 0 10px; }
.hw-pcard p { font-size: 13px; color: var(--text-sub); line-height: 1.75; margin: 0 0 12px; }
.hw-pcard .hw-use { font-size: 12px; color: var(--text-muted); background: var(--bg-soft); border-radius: 8px; padding: 7px 10px; }
.hw-service { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hw-scard { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); padding: 28px; }
.hw-scard .fg-icon { margin-bottom: 14px; }
.hw-scard h3 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.hw-scard p { font-size: 13px; color: var(--text-sub); line-height: 1.8; margin: 0; }

/* ===== 案例页 ===== */
.case-page-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-detail { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); padding: 32px; transition: .25s; }
.case-detail:hover { box-shadow: var(--card-shadow-hover); }
.cd-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.cd-head .case-avatar { width: 54px; height: 54px; font-size: 26px; }
.cd-head h3 { font-size: 18px; font-weight: 700; margin: 0 0 4px; }
.cd-tag { display: inline-block; font-size: 12px; color: var(--brand-blue); background: #E8F4FF; padding: 3px 10px; border-radius: 999px; }
.case-detail p { font-size: 14px; color: var(--text-sub); line-height: 1.9; margin: 0 0 14px; }
.cd-block h4 { font-size: 14px; font-weight: 700; color: var(--text-main); margin: 16px 0 8px; display: flex; align-items: center; gap: 8px; }
.cd-block h4::before { content: ''; width: 4px; height: 14px; background: var(--accent-yellow); border-radius: 2px; }
.cd-results { display: flex; gap: 12px; margin-top: 18px; }

/* ===== 合作伙伴页 ===== */
.partner-cat { margin-bottom: 44px; }
.partner-cat h3 { font-size: 19px; font-weight: 700; margin: 0 0 20px; display: flex; align-items: center; gap: 10px; }
.partner-cat h3::before { content: ''; width: 4px; height: 18px; background: var(--accent-yellow); border-radius: 2px; }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.partner-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; transition: .25s;
}
.partner-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.partner-logo {
  width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 900; color: #fff;
}
.partner-card h4 { font-size: 15px; font-weight: 700; margin: 0 0 6px; }
.partner-card p { font-size: 12.5px; color: var(--text-sub); line-height: 1.7; margin: 0; }
.coop-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.coop-step { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); padding: 26px 22px; position: relative; }
.coop-step::before {
  counter-increment: step; content: '0' counter(step);
  font-size: 34px; font-weight: 900; color: rgba(22,93,255,.14); position: absolute; top: 14px; right: 18px;
}
.coop-step .fg-icon { margin-bottom: 12px; }
.coop-step h4 { font-size: 15px; font-weight: 700; margin: 0 0 8px; }
.coop-step p { font-size: 13px; color: var(--text-sub); line-height: 1.75; margin: 0; }

/* ===== 关于我们页 ===== */
.about-lead { display: flex; gap: 48px; align-items: center; }
.about-lead .al-copy { flex: 1; }
.about-lead h2 { font-size: 28px; font-weight: 900; margin: 0 0 18px; }
.about-lead p { font-size: 15px; color: var(--text-sub); line-height: 2; margin: 0 0 14px; }
.about-lead .al-visual { width: 340px; flex-shrink: 0; }
.about-lead .al-visual img { border-radius: 20px; box-shadow: var(--card-shadow-hover); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); padding: 28px 22px; text-align: center; transition: .25s; }
.value-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.value-card .fg-icon { margin: 0 auto 14px; }
.value-card h4 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.value-card p { font-size: 13px; color: var(--text-sub); line-height: 1.75; margin: 0; }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--border-light); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before {
  content: ''; position: absolute; left: -27px; top: 5px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--accent-yellow); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--accent-yellow);
}
.tl-item b { display: block; font-size: 15px; margin-bottom: 4px; }
.tl-item span { font-size: 13.5px; color: var(--text-sub); line-height: 1.8; }
.contact-grid { display: grid; grid-template-columns: 1fr 340px; gap: 28px; }
.contact-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius); padding: 36px; }
.contact-line { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--border-light); align-items: flex-start; }
.contact-line:last-child { border-bottom: none; }
.contact-line .cl-icon { width: 42px; height: 42px; background: #E8F4FF; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.contact-line b { display: block; font-size: 13px; color: var(--text-muted); font-weight: 500; margin-bottom: 3px; }
.contact-line span { font-size: 15px; font-weight: 700; }
.contact-qr { background: var(--brand-navy); border-radius: var(--radius); padding: 30px; text-align: center; color: #fff; }
.contact-qr img { width: 100%; border-radius: 12px; background: #fff; padding: 8px; }
.contact-qr p { font-size: 13px; color: rgba(255,255,255,.7); margin: 14px 0 0; }

/* ===== 帮助中心（服务支持） ===== */
.help-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 60px;
  display: flex; align-items: flex-start; gap: 48px;
}
.sidebar { width: 240px; flex-shrink: 0; position: sticky; top: 88px; }
.sidebar-title { font-size: 28px; font-weight: 700; margin: 0 0 28px; color: var(--text-main); }
.sidebar-group { margin-bottom: 28px; }
.group-title { font-size: 16px; font-weight: 700; margin: 0 0 10px; color: var(--text-main); }
.group-items { list-style: none; margin: 0; padding: 0; }
.group-items li {
  padding: 8px 0; font-size: 14px; color: var(--text-sub); cursor: pointer;
  transition: color .2s; display: flex; align-items: center;
}
.group-items li::before {
  content: ''; width: 0; height: 0; border-style: solid;
  border-width: 4px 0 4px 5px; border-color: transparent transparent transparent currentColor;
  margin-right: 8px; opacity: .5;
}
.group-items li:hover { color: var(--brand-blue); }
.group-items li.active { color: var(--active-red); font-weight: 500; }
.main-content { flex: 1; min-width: 0; }
.section-card {
  background: #fff; border-radius: 4px; margin-bottom: 20px;
  box-shadow: var(--card-shadow); overflow: hidden;
}
.card-topbar { height: 4px; }
.card-body { padding: 22px 28px 26px; }
.card-title { font-size: 20px; font-weight: 700; margin: 0 0 12px; color: var(--text-main); }
.card-links { line-height: 1.9; }
.card-links a { color: var(--text-sub); text-decoration: none; font-size: 13px; transition: color .2s; }
.card-links a:hover { color: var(--brand-blue); }
.card-links a:not(:last-child)::after { content: '|'; color: #dddddd; margin: 0 8px; }
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-sub); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand-blue); }
.breadcrumb span { margin: 0 6px; }
.article-title { font-size: 26px; font-weight: 700; margin: 0 0 12px; color: var(--text-main); }
.article-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.article-video {
  width: 100%; aspect-ratio: 16/9; background: #000;
  border-radius: 4px; overflow: hidden; margin-bottom: 28px;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.article-video video, .article-video iframe { width: 100%; height: 100%; border: none; }
.article-video .wx-embed { width: 100%; height: 100%; display: flex; flex-direction: column; }
.article-video .wx-embed .wx-iframe { flex: 1; width: 100%; border: none; min-height: 0; }
.article-video .wx-embed .wx-fallback {
  margin: 0; padding: 8px 12px; background: #111; color: #cccccc;
  font-size: 13px; text-align: center;
}
.article-video .wx-embed .wx-fallback a { color: var(--gold); }
.video-placeholder { color: #fff; text-align: center; }
.video-placeholder .play-btn {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(255,255,255,.2); border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 24px; padding-left: 4px;
}
.article-content { font-size: 15px; line-height: 1.9; color: #333; }
.article-content p { margin: 0 0 14px; }
.article-content h3 { font-size: 18px; margin: 24px 0 12px; color: var(--text-main); }
.article-content img { max-width: 100%; border-radius: 4px; }
.article-content ul { padding-left: 22px; margin: 0 0 14px; }
.article-content li { margin-bottom: 6px; }

/* ===== 管理后台 ===== */
.admin-login {
  background: #fff; border-radius: 8px; padding: 40px 32px;
  box-shadow: var(--card-shadow); text-align: center; max-width: 420px; margin: 0 auto;
}
.admin-title { font-size: 22px; font-weight: 700; margin: 0 0 12px; }
.admin-hint { font-size: 14px; color: var(--text-muted); margin: 0 0 24px; }
.admin-field { display: flex; gap: 12px; justify-content: center; }
.admin-field input {
  height: 44px; padding: 0 14px; border: 1px solid #e5e5e5; border-radius: 6px; font-size: 14px; flex: 1;
}
.admin-field button {
  height: 44px; padding: 0 22px; background: var(--grad-cta);
  color: #fff; border: none; border-radius: 6px; font-weight: 700; cursor: pointer;
}
.admin-status { margin-top: 16px; font-size: 14px; min-height: 20px; }
.admin-status.error { color: var(--active-red); }
.admin-status.success { color: #00B42A; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.admin-refresh {
  background: var(--brand-blue); color: #fff; border: none; border-radius: 6px;
  padding: 8px 18px; font-size: 14px; font-weight: 500; cursor: pointer;
}
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: var(--card-shadow); }
.admin-table th, .admin-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #f0f0f0; }
.admin-table th { background: #fafafa; font-weight: 600; color: var(--text-main); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-empty { color: var(--text-muted); padding: 24px; text-align: center; }

/* ===== 底部页脚 ===== */
.site-footer { background: var(--brand-navy); color: #fff; padding: 56px 0 0; margin-top: 0; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: flex; gap: 48px; justify-content: space-between;
}
.footer-col h4 { font-size: 14px; font-weight: 700; margin: 0 0 18px; color: #fff; }
.footer-brand { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-img { width: 34px; height: 34px; }
.footer-desc { font-size: 13px; color: rgba(255,255,255,.6); line-height: 1.9; margin: 0 0 18px; max-width: 300px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 13px; }
.footer-links a:hover { color: var(--gold); }
.contact-col p, .manual-col p { font-size: 13px; color: rgba(255,255,255,.72); margin: 0 0 8px; line-height: 1.6; }
.btn-outline-light {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35);
  padding: 8px 18px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer;
  margin-top: 10px; transition: .2s; font-family: inherit;
}
.btn-outline-light:hover { border-color: var(--accent-yellow); color: var(--accent-yellow); }
.qrcode-list { display: flex; gap: 20px; }
.qrcode-item { text-align: center; }
.qrcode-item .qr-real { width: 120px; height: 120px; border-radius: 8px; object-fit: cover; background: #fff; }
.qrcode-item span { display: block; font-size: 12px; color: rgba(255,255,255,.72); margin-top: 8px; }
.btn-download {
  display: inline-block; background: var(--grad-cta); color: #fff;
  padding: 7px 18px; border-radius: 4px; font-size: 13px; font-weight: 700;
  text-decoration: none; margin-top: 10px;
}
.copyright { text-align: center; font-size: 12px; color: rgba(255,255,255,.55); border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding: 18px 32px; }
.copyright p { margin: 6px 0; }
.copyright a { color: rgba(255,255,255,.75); text-decoration: none; }
.copyright a:hover { color: #fff; text-decoration: underline; }
.footer-legal { font-size: 12px; color: rgba(255,255,255,.4); max-width: 900px; margin: 8px auto 0; line-height: 1.8; }

/* ===== 咨询弹窗 ===== */
.consult-modal {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.55);
  display: none; align-items: center; justify-content: center; padding: 16px;
}
.consult-modal.open { display: flex; }
.consult-dialog {
  background: #fff; border-radius: 12px; width: 100%; max-width: 480px;
  padding: 32px; position: relative; box-shadow: 0 12px 40px rgba(0,0,0,.2);
  animation: dialogIn .25s ease;
}
@keyframes dialogIn { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
.consult-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; font-size: 28px; color: #999; cursor: pointer; line-height: 1;
}
.consult-close:hover { color: #333; }
.consult-header { text-align: center; margin-bottom: 28px; }
.consult-header h3 { font-size: 22px; font-weight: 700; margin: 0 0 8px; color: var(--text-main); }
.consult-header p { font-size: 14px; color: var(--text-muted); margin: 0; }
.consult-form .form-row { display: flex; gap: 16px; margin-bottom: 28px; }
.form-field { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 14px; font-weight: 500; color: var(--text-main); }
.form-field input, .form-field select {
  height: 44px; padding: 0 12px; border: 1px solid #e5e5e5;
  border-radius: 6px; font-size: 14px; font-family: inherit;
  background: #f8f8f8; color: var(--text-main); appearance: none;
}
.form-field input:focus, .form-field select:focus { outline: none; border-color: var(--accent-yellow); background: #fff; }
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
.btn-submit {
  width: 100%; height: 48px; border: none; border-radius: 6px;
  background: var(--grad-cta); color: #fff;
  font-size: 16px; font-weight: 700; cursor: pointer;
  transition: filter .2s, transform .1s; font-family: inherit;
}
.btn-submit:hover { filter: brightness(1.05); }
.btn-submit:active { transform: scale(.99); }
.btn-submit:disabled { background: #F7C79A; color: #fff; cursor: not-allowed; filter: none; }
.consult-status { text-align: center; font-size: 14px; margin-top: 12px; min-height: 20px; }
.consult-status.success { color: #00B42A; }
.consult-status.error { color: #FF4D4F; }

/* ===== 右侧悬浮 ===== */
.float-tools {
  position: fixed; right: 20px; bottom: 100px;
  background: #fff; border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,.12); overflow: hidden;
  display: flex; flex-direction: column; z-index: 90;
}
.float-tools a {
  width: 60px; height: 60px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-decoration: none;
  color: var(--text-main); border-bottom: 1px solid #f0f0f0; font-size: 18px;
}
.float-tools a small { font-size: 11px; margin-top: 2px; color: var(--text-sub); }
.float-tools a.back-top { border-bottom: none; }
.float-tools a:hover { background: #fafafa; }
.qr-pop {
  position: fixed; right: 96px; bottom: 100px; z-index: 90;
  background: #fff; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,.18);
  padding: 12px; width: 180px; display: none; text-align: center;
}
.qr-pop.show { display: block; }
.qr-pop img { width: 100%; border-radius: 8px; }
.qr-pop p { font-size: 12px; color: var(--text-sub); margin: 8px 0 0; }

/* ===== 页面切换动效 ===== */
.page-enter { animation: pageIn .35s ease; }
@keyframes pageIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .hero-inner { flex-direction: column; text-align: center; padding: 60px 24px 56px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero h1 { font-size: 38px; }
  .hero-sub { max-width: 640px; }
  .hero-stats { flex-wrap: wrap; gap: 18px 0; }
  .hero-stat { padding: 0 22px; }
  .hero-visual { width: auto; }
  .float-card { display: none; }
  .feature-grid, .hw-grid, .why-grid, .hw-page-grid, .value-grid, .partner-grid, .coop-flow { grid-template-columns: repeat(2, 1fr); }
  .version-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .tier-block { grid-template-columns: 1fr; }
  .about-lead { flex-direction: column; }
  .about-lead .al-visual { width: 100%; max-width: 420px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 44px 28px; }
  .help-layout { flex-direction: column; }
  .sidebar { width: 100%; position: static; }
  .footer-inner { flex-wrap: wrap; }
  .case-grid, .case-page-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .topbar-inner { padding: 0 16px; }
  .brand { margin-right: 0; }
  .topnav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 12px 24px 20px; gap: 4px; box-shadow: 0 20px 40px rgba(16,60,120,.12);
  }
  .topnav.open { display: flex; }
  .topnav a { padding: 10px 0; font-size: 15px; width: 100%; }
  .topnav a.active::after { display: none; }
  .nav-toggle { display: block; margin-left: 12px; }
  .btn-consult { margin-left: auto; }
  .hero h1 { font-size: 30px; }
  .hero-stat b { font-size: 22px; }
  .hero-stat { padding: 0 14px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .feature-grid, .hw-grid, .why-grid, .hw-page-grid, .value-grid, .partner-grid, .coop-flow, .hw-service, .tier-main .tm-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 28px; }
  .help-layout { padding: 24px 16px; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .consult-form .form-row { flex-direction: column; gap: 18px; margin-bottom: 20px; }
  .industry-inner { padding: 16px; gap: 8px; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; text-align: center; }
}