/* ============================================
   四川海创时代科技有限公司 官网样式
   简约大气 · 深蓝主色 · 明亮主题
   ============================================ */
:root {
  --primary: #1d4ed8;
  --primary-deep: #0a2e6e;
  --primary-dark: #133b8f;
  --accent: #2f6bff;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-softer: #eef2f9;
  --text: #17233d;
  --text-2: #4b5877;
  --text-3: #8592ab;
  --line: #e4e9f2;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(13, 42, 99, 0.08);
  --shadow-lg: 0 14px 44px rgba(13, 42, 99, 0.14);
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

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

/* ---------- 企业标语 ---------- */
.slogan-band {
  margin-top: 56px; text-align: center; padding: 32px 24px; border-radius: 18px;
  background: linear-gradient(120deg, var(--primary-deep), var(--primary) 55%, #2f6bff);
  color: #fff; font-size: 21px; font-weight: 800; letter-spacing: 3px;
  box-shadow: var(--shadow-lg);
}

/* ---------- 柔和主视觉 Hero（首页） ---------- */
.hero-dark {
  position: relative; overflow: hidden;
  background:
    radial-gradient(880px 480px at 82% -5%, rgba(47, 107, 255, 0.10), transparent 60%),
    radial-gradient(680px 480px at 5% 105%, rgba(29, 78, 216, 0.08), transparent 55%),
    linear-gradient(165deg, #f4f8ff 0%, #e9f1fd 55%, #eef4ff 100%);
  color: var(--text); padding: 92px 0 80px;
}
.hero-dark::after {
  content: ""; position: absolute; right: -120px; top: 10%;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.07), transparent 70%);
  pointer-events: none;
}
.hd-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 30px; }
.hd-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid #c9d8f5; background: rgba(255, 255, 255, 0.75);
  color: var(--primary-dark); border-radius: 999px; padding: 6px 15px; font-size: 13px; font-weight: 600;
}
.hd-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px rgba(47, 107, 255, 0.5); }
.hero-dark h1 {
  font-size: 52px; line-height: 1.2; font-weight: 800; letter-spacing: 1px;
  color: var(--primary-deep); margin-bottom: 20px;
}
.hero-dark h1 .teal {
  background: linear-gradient(120deg, var(--primary), #2f6bff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hd-sub { font-size: 16.5px; color: #41517a; max-width: 580px; margin-bottom: 10px; }
.hd-sub2 { font-size: 15px; color: #6b7a9c; max-width: 580px; margin-bottom: 36px; }
.hd-btn-primary {
  background: linear-gradient(135deg, var(--primary), #2f6bff); color: #fff;
  box-shadow: 0 10px 26px rgba(29, 78, 216, 0.28);
}
.hd-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(29, 78, 216, 0.36); }
.hd-btn-ghost {
  border: 1px solid #c2d0ec; color: var(--primary-dark); background: rgba(255, 255, 255, 0.7);
}
.hd-btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.hd-platforms {
  margin-top: 46px; display: flex; gap: 10px; align-items: center;
  color: #8a97b5; font-size: 13.5px; flex-wrap: wrap;
}
.hd-platforms .sep { color: #c2cee6; }
.hd-side { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.hd-stat {
  display: flex; align-items: center; gap: 20px;
  background: rgba(255, 255, 255, 0.82); border: 1px solid #dde6f6;
  border-radius: 15px; padding: 22px 28px;
  box-shadow: 0 4px 18px rgba(13, 42, 99, 0.05);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.hd-stat:hover { transform: translateX(-4px); border-color: #b8ccf0; box-shadow: 0 8px 24px rgba(13, 42, 99, 0.09); }
.hd-stat .n { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1; min-width: 110px; }
.hd-stat .t { color: #5a6a8f; font-size: 14.5px; }
.hd-card {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.08), rgba(29, 78, 216, 0.05));
  border: 1px solid #c9d8f5; border-radius: 15px; padding: 20px 26px;
}
.hd-card .hd-card-icon { font-size: 26px; }
.hd-card b { display: block; color: var(--primary-deep); font-size: 15px; }
.hd-card i { font-style: normal; color: #6b7a9c; font-size: 13px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary) 60%, #3b82f6);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 18px; letter-spacing: 1px;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}
.brand-text { line-height: 1.25; min-width: 0; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: 0.5px; white-space: nowrap; }
.brand-sub { font-size: 11.5px; color: var(--text-3); white-space: nowrap; }
.brand-logo { height: 42px; width: auto; display: block; }
.brand-divider { width: 1px; height: 26px; background: var(--line); flex: none; }
.brand-tag { font-size: 11.5px; color: var(--text-3); white-space: nowrap; letter-spacing: 0.5px; }
.footer-logo-pill {
  display: inline-flex; background: #ffffff; border-radius: 10px;
  padding: 6px 16px;
}
.footer-logo { height: 32px; width: auto; display: block; }
.ac-logo-img { height: 46px; width: auto; display: block; margin: 0 auto 16px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 8px 16px; border-radius: 9px; font-size: 15px; color: var(--text-2);
  transition: all 0.18s ease;
}
.nav-links a:hover { color: var(--primary); background: var(--bg-soft); }
.nav-links a.active { color: var(--primary); font-weight: 600; background: #eaf0ff; }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-user { display: none; align-items: center; gap: 10px; }
.nav-user .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-deep), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600;
}
.nav-user .uname { font-size: 14px; color: var(--text-2); max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-user.show { display: flex; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 10px; font-size: 15px; font-weight: 600;
  transition: all 0.18s ease; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2f6bff);
  color: #fff; box-shadow: 0 6px 18px rgba(29, 78, 216, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(29, 78, 216, 0.38); }
.btn-ghost { border: 1px solid var(--line); color: var(--text-2); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 7px 16px; font-size: 13.5px; border-radius: 8px; }
.btn-lg { padding: 14px 34px; font-size: 16.5px; border-radius: 12px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 480px at 85% -10%, rgba(47, 107, 255, 0.16), transparent 60%),
    radial-gradient(700px 420px at -8% 30%, rgba(29, 78, 216, 0.10), transparent 55%),
    linear-gradient(180deg, #f7f9ff 0%, #ffffff 100%);
  padding: 96px 0 84px;
}
.hero-inner { display: flex; align-items: center; gap: 60px; }
.hero-copy { flex: 1.15; min-width: 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #eaf0ff; color: var(--primary-dark);
  border: 1px solid #cfdcff; border-radius: 999px;
  padding: 6px 16px; font-size: 13.5px; font-weight: 600; margin-bottom: 22px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #2f6bff; box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.18); }
.hero h1 {
  font-size: 44px; line-height: 1.28; font-weight: 800; letter-spacing: 0.5px;
  background: linear-gradient(120deg, var(--primary-deep) 20%, var(--primary) 65%, #2f6bff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}
.hero-desc { font-size: 17px; color: var(--text-2); max-width: 560px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 44px; flex-wrap: wrap; }
.stat .num { font-size: 30px; font-weight: 800; color: var(--primary-deep); line-height: 1.2; }
.stat .num small { font-size: 15px; font-weight: 600; }
.stat .label { font-size: 13px; color: var(--text-3); margin-top: 3px; }

.hero-visual { flex: 1; min-width: 0; display: flex; justify-content: center; }
.hero-card {
  width: 100%; max-width: 420px;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-lg); padding: 26px;
}
.hero-card .hc-head { display: flex; align-items: center; gap: 10px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.hc-logo {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary-deep), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.hc-title { font-size: 15px; font-weight: 700; }
.hc-title span { display: block; font-size: 11.5px; font-weight: 400; color: var(--text-3); }
.hc-rows { padding: 8px 0; }
.hc-row { display: flex; align-items: center; gap: 12px; padding: 13px 4px; }
.hc-row + .hc-row { border-top: 1px dashed var(--line); }
.hc-icon {
  width: 34px; height: 34px; border-radius: 8px; flex: none; font-size: 17px;
  background: var(--bg-soft); display: flex; align-items: center; justify-content: center;
}
.hc-row b { font-size: 14px; font-weight: 600; display: block; }
.hc-row i { font-style: normal; font-size: 12px; color: var(--text-3); }
.hc-foot {
  margin-top: 6px; padding: 12px 16px; border-radius: 12px;
  background: linear-gradient(135deg, #eef3ff, #f5f8ff);
  color: var(--primary-dark); font-size: 13px; font-weight: 600; text-align: center;
}

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-tag {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--primary);
  letter-spacing: 3px; margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; letter-spacing: 0.5px; }
.section-head p { color: var(--text-2); font-size: 16px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #cfdcff; }
.card .c-icon {
  width: 52px; height: 52px; border-radius: 13px; font-size: 25px;
  background: linear-gradient(135deg, #eef3ff, #dfe9ff);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--text-2); }
.card ul.checks { margin-top: 16px; }
.card ul.checks li {
  position: relative; padding: 5px 0 5px 26px; font-size: 13.5px; color: var(--text-2);
}
.card ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 5px;
  color: var(--primary); font-weight: 800;
}

/* ---------- 数字带 ---------- */
.numband {
  background: linear-gradient(120deg, var(--primary-deep), var(--primary) 55%, #2f6bff);
  color: #fff; padding: 56px 0; border-radius: 22px;
}
.numband .grid { gap: 18px; }
.nb-item { text-align: center; padding: 10px 8px; }
.nb-item .n { font-size: 38px; font-weight: 800; line-height: 1.15; }
.nb-item .n small { font-size: 17px; font-weight: 600; margin-left: 2px; }
.nb-item .t { font-size: 14px; opacity: 0.85; margin-top: 4px; }

/* ---------- 页面小 Hero ---------- */
.page-hero {
  background:
    radial-gradient(800px 300px at 80% 0%, rgba(47, 107, 255, 0.14), transparent 60%),
    linear-gradient(180deg, #f7f9ff, #ffffff);
  padding: 72px 0 56px; border-bottom: 1px solid var(--line);
  text-align: center;
}
.page-hero .section-tag { margin-bottom: 10px; }
.page-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.page-hero p { color: var(--text-2); max-width: 640px; margin: 0 auto; font-size: 16px; }
.crumb { margin-top: 18px; font-size: 13px; color: var(--text-3); }
.crumb a:hover { color: var(--primary); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--primary), #b9ccff);
}
.tl-item { position: relative; padding: 0 0 34px 18px; }
.tl-item::before {
  content: ""; position: absolute; left: -32px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.15);
}
.tl-item .tl-year { font-size: 14px; font-weight: 800; color: var(--primary); }
.tl-item h4 { font-size: 17px; font-weight: 700; margin: 4px 0 6px; }
.tl-item p { font-size: 14px; color: var(--text-2); }

/* ---------- 定价 ---------- */
.price-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 34px 30px; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.price-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 16px 44px rgba(29, 78, 216, 0.18);
}
.pc-flag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), #2f6bff); color: #fff;
  font-size: 12.5px; font-weight: 700; padding: 5px 18px; border-radius: 999px;
}
.pc-name { font-size: 17px; font-weight: 700; }
.pc-desc { font-size: 13px; color: var(--text-3); margin: 4px 0 18px; }
.pc-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 6px; }
.pc-price .cur { font-size: 18px; font-weight: 700; color: var(--primary-deep); }
.pc-price .val { font-size: 40px; font-weight: 800; color: var(--primary-deep); line-height: 1; }
.pc-price .per { font-size: 13px; color: var(--text-3); }
.pc-note { font-size: 12.5px; color: var(--text-3); margin-bottom: 20px; }
.pc-list { flex: 1; margin-bottom: 24px; }
.pc-list li { padding: 6px 0 6px 24px; font-size: 14px; color: var(--text-2); position: relative; }
.pc-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800; }

/* ---------- 表单 ---------- */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--text-2); margin-bottom: 7px; }
.field label .req { color: #e5484d; margin-left: 2px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 15px; color: var(--text); background: #fff; outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.14);
}
.field textarea { min-height: 120px; resize: vertical; }
.field-hint { font-size: 12px; color: var(--text-3); margin-top: 6px; }

.form-msg {
  display: none; padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 18px;
}
.form-msg.ok { display: block; background: #ecf9f0; color: #157347; border: 1px solid #bfe8cd; }
.form-msg.err { display: block; background: #fdeeee; color: #b42318; border: 1px solid #f6cfc9; }

/* ---------- 登录页 ---------- */
.auth-wrap {
  min-height: calc(100vh - 68px); display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(900px 400px at 90% -10%, rgba(47, 107, 255, 0.12), transparent 60%),
    radial-gradient(600px 380px at 0% 100%, rgba(29, 78, 216, 0.08), transparent 55%),
    var(--bg-soft);
  padding: 60px 24px;
}
.auth-card {
  width: 100%; max-width: 440px; background: #fff; border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow-lg); padding: 38px 36px;
}
.auth-card .ac-logo {
  width: 52px; height: 52px; border-radius: 13px; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary-deep), var(--accent));
  color: #fff; font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.auth-card h2 { text-align: center; font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.auth-card .ac-sub { text-align: center; font-size: 13.5px; color: var(--text-3); margin-bottom: 26px; }
.auth-tabs {
  display: flex; background: var(--bg-softer); border-radius: 11px; padding: 4px; margin-bottom: 24px;
}
.auth-tabs button {
  flex: 1; padding: 9px 0; border-radius: 8px; font-size: 14px; font-weight: 600;
  color: var(--text-2); transition: all 0.15s ease;
}
.auth-tabs button.active { background: #fff; color: var(--primary); box-shadow: 0 2px 8px rgba(13, 42, 99, 0.1); }
.auth-pane { display: none; }
.auth-pane.show { display: block; }
.otp-row { display: flex; gap: 10px; }
.otp-row input { flex: 1; }
.otp-row button { flex: none; white-space: nowrap; }
.auth-foot { text-align: center; margin-top: 20px; font-size: 13.5px; color: var(--text-3); }
.auth-foot a, .link-btn { color: var(--primary); font-weight: 600; cursor: pointer; }
.link-btn { background: none; border: none; font-size: 13.5px; padding: 0; }

/* ---------- 用户中心 ---------- */
.account-layout { display: grid; grid-template-columns: 250px 1fr; gap: 26px; align-items: start; }
.account-side {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.account-side .as-head { padding: 24px 20px; background: linear-gradient(135deg, #f0f4ff, #f8faff); border-bottom: 1px solid var(--line); }
.account-side .as-avatar {
  width: 52px; height: 52px; border-radius: 50%; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--primary-deep), var(--accent)); color: #fff;
  font-size: 21px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.account-side .as-name { font-size: 15px; font-weight: 700; word-break: break-all; }
.account-side .as-mail { font-size: 12.5px; color: var(--text-3); word-break: break-all; margin-top: 2px; }
.account-side nav button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 13px 20px; font-size: 14.5px; color: var(--text-2); text-align: left;
  border-left: 3px solid transparent; transition: all 0.15s ease;
}
.account-side nav button:hover { background: var(--bg-soft); }
.account-side nav button.active { background: #eaf0ff; color: var(--primary); font-weight: 700; border-left-color: var(--primary); }
.account-main {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 30px;
}
.account-main h3 { font-size: 19px; font-weight: 800; margin-bottom: 4px; }
.account-main .am-sub { font-size: 13.5px; color: var(--text-3); margin-bottom: 22px; }
.am-pane { display: none; }
.am-pane.show { display: block; }

/* 记录列表 */
.rec-list { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.rec-item { padding: 18px 20px; border-bottom: 1px solid var(--line); }
.rec-item:last-child { border-bottom: none; }
.rec-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.rec-type {
  font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: #eaf0ff; color: var(--primary-dark);
}
.rec-date { font-size: 12.5px; color: var(--text-3); }
.rec-msg { font-size: 14px; color: var(--text-2); }
.rec-meta { font-size: 12.5px; color: var(--text-3); margin-top: 4px; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-3); font-size: 14px; }
.empty-state .es-icon { font-size: 34px; margin-bottom: 10px; }

/* 上传区 */
.upload-zone {
  border: 2px dashed #c4d2ec; border-radius: 14px; padding: 36px 20px;
  text-align: center; background: var(--bg-soft); cursor: pointer;
  transition: all 0.18s ease;
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--primary); background: #eef3ff; }
.upload-zone .uz-icon { font-size: 32px; margin-bottom: 10px; }
.upload-zone b { font-size: 15px; display: block; }
.upload-zone span { font-size: 12.5px; color: var(--text-3); }
.file-list { margin-top: 18px; }
.file-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px;
}
.file-item .fi-icon { font-size: 20px; }
.file-item .fi-name { flex: 1; font-size: 13.5px; color: var(--text-2); word-break: break-all; }
.file-item .fi-meta { font-size: 12px; color: var(--text-3); white-space: nowrap; }

/* ---------- CTA ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 90% 20%, rgba(255, 255, 255, 0.14), transparent 60%),
    linear-gradient(120deg, var(--primary-deep), var(--primary) 55%, #2f6bff);
  border-radius: 22px; color: #fff; padding: 60px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-band p { font-size: 15px; opacity: 0.88; max-width: 520px; }
.cta-band .btn-white { background: #fff; color: var(--primary-deep); font-weight: 700; }
.cta-band .btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22); }

/* ---------- 专业化细节层 ---------- */
/* 导航滚动阴影 */
.site-header.scrolled { box-shadow: 0 4px 20px rgba(13, 42, 99, 0.08); }

/* 滚动渐入动效 */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.reveal-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* 返回顶部 */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 44px; height: 44px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); color: var(--primary);
  font-size: 19px; font-weight: 700; cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.25s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); }

/* 行业覆盖条（首页 Hero 下方） */
.industry-strip { border-bottom: 1px solid var(--line); padding: 26px 0; }
.industry-strip .is-title { font-size: 13px; color: var(--text-3); letter-spacing: 2px; margin-bottom: 14px; text-align: center; }
.industry-strip .is-list { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.is-chip {
  font-size: 13.5px; color: var(--text-2); font-weight: 600;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 18px;
  transition: all 0.18s ease;
}
.is-chip:hover { color: var(--primary); border-color: #c9d8f5; background: #eef3ff; }

/* 流程步骤箭头（产品服务页） */
.step-card { position: relative; }
@media (min-width: 1025px) {
  .step-card:not(:last-child)::after {
    content: "→"; position: absolute; right: -21px; top: 50%; transform: translateY(-50%);
    color: #b8ccf0; font-size: 19px; font-weight: 700; z-index: 2;
  }
}

/* FAQ 手风琴 */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  margin-bottom: 14px; overflow: hidden; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.faq-item[open] { border-color: #c9d8f5; box-shadow: var(--shadow); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 22px; font-size: 15.5px; font-weight: 700; color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg-soft); color: var(--primary); font-size: 16px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.faq-item[open] summary::after { content: "−"; background: var(--primary); color: #fff; }
.faq-item .faq-body { padding: 0 22px 20px; font-size: 14.5px; color: var(--text-2); line-height: 1.85; }

/* 公司信息表（关于我们） */
.info-table {
  max-width: 820px; margin: 0 auto; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.info-table .it-row {
  display: grid; grid-template-columns: 150px 1fr; gap: 18px;
  padding: 17px 26px; border-bottom: 1px solid var(--line); font-size: 14.5px;
}
.info-table .it-row:last-child { border-bottom: none; }
.info-table .it-row:nth-child(odd) { background: #fafbfe; }
.info-table .it-key { color: var(--text-3); font-weight: 600; }
.info-table .it-val { color: var(--text); }
.info-table .it-val a { color: var(--primary); font-weight: 600; }
@media (max-width: 640px) {
  .info-table .it-row { grid-template-columns: 108px 1fr; padding: 14px 18px; }
  .back-top { right: 16px; bottom: 20px; }
}
/* ---------- 客户案例 ---------- */
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #cfdcff; }
.case-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.case-logo {
  width: 46px; height: 46px; border-radius: 11px; flex: none;
  background: linear-gradient(135deg, #eef3ff, #dfe9ff);
  color: var(--primary-deep); font-size: 17px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.case-name { font-size: 16.5px; font-weight: 700; line-height: 1.3; }
.case-ind { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.case-desc { font-size: 13.5px; color: var(--text-2); flex: 1; }
.case-flag {
  margin-top: 14px; align-self: flex-start;
  font-size: 12px; font-weight: 700; color: var(--primary-dark);
  background: #eaf0ff; border-radius: 999px; padding: 4px 12px;
}
.case-note { text-align: center; margin-top: 26px; font-size: 12.5px; color: var(--text-3); }

/* ---------- 安全合规 ---------- */
.sec-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.sec-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.sec-card .sc-icon {
  width: 48px; height: 48px; border-radius: 12px; font-size: 23px;
  background: linear-gradient(135deg, #eef3ff, #dfe9ff);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.sec-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.sec-card ul { margin-top: 4px; }
.sec-card ul li { position: relative; padding: 4px 0 4px 22px; font-size: 13px; color: var(--text-2); }
.sec-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0b1f3f; color: #aab6cf; padding: 56px 0 28px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 40px; }
.footer-grid h5 { color: #fff; font-size: 14.5px; margin-bottom: 16px; font-weight: 700; }
.footer-grid p, .footer-grid li { font-size: 13.5px; line-height: 2.05; }
.footer-grid a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-mark { width: 34px; height: 34px; font-size: 15px; box-shadow: none; }
.footer-brand span { color: #fff; font-weight: 700; font-size: 15px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 22px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; color: #7e8bad;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero h1 { font-size: 34px; }
  .hero-dark h1 { font-size: 38px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .account-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 28px; }
  .hero-dark { padding: 64px 0 56px; }
  .hero-dark h1 { font-size: 30px; }
  .hd-stat .n { font-size: 34px; min-width: 90px; }
  .slogan-band { font-size: 16px; letter-spacing: 1px; padding: 24px 16px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 25px; }
  .cta-band { padding: 40px 28px; }
  .nav-user .uname { display: none; }
  .brand-tag, .brand-divider { display: none; }
  .brand-logo { height: 36px; }
}