/* ============================================================
   哈萨克斯坦海关数据网 — 共享样式系统
   设计风格：初版蓝金（主蓝 #0066B3 / 金 #D4A93C / 浅底）
   结构骨架：参照美国站（Topbar → 玻璃导航 → Hero → 三步 → 实力 → 栏目入口 → 数据概览 → FAQ → 信任条 → CTA → Footer）
   ============================================================ */

/* fonts are now loaded asynchronously by each HTML page (preconnect + media=print swap),
   so we no longer @import them here — keeps the CSS render-blocking-free. */

:root {
  --brand: #0066B3;
  --brand-dark: #004D87;
  --brand-light: #E8F1F9;
  --gold: #D4A93C;
  --gold-dark: #B8922F;
  --gold-soft: #FBF6E9;
  --ink: #0F172A;
  --muted: #64748B;
  --surface: #F8FAFC;
  --surface-2: #F1F5F9;
  --border: #E2E8F0;
  --white: #FFFFFF;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.font-num { font-family: 'Inter', sans-serif; letter-spacing: -0.01em; }

a { color: inherit; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 84px 0; }
.section--alt { background: var(--surface); }
.section--blue { background: linear-gradient(135deg, #004D87 0%, #0066B3 55%, #004D87 100%); color: #fff; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-head .tag { margin-bottom: 18px; }
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.28;
  margin: 0 0 14px;
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
}
.section-sub { color: var(--muted); font-size: 16px; line-height: 1.75; margin: 0; }
.section--blue .section-sub { color: rgba(255,255,255,.82); }

/* ---------- Tag / Badge ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0,102,179,.08);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
}
.tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.section--blue .tag { background: rgba(255,255,255,.14); color: #fff; }
.section--blue .tag .dot { background: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: #1a1a1a; }
.btn-gold:hover { background: var(--gold-dark); color: #fff; }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.14); }
.btn-ghost { border-color: var(--border); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* ---------- Card ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: all .22s ease;
}
.card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }

.icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand-light);
  color: var(--brand);
  flex-shrink: 0;
}
.icon-wrap svg { width: 26px; height: 26px; }
.icon-wrap--gold { background: var(--gold-soft); color: var(--gold-dark); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0,77,135,.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(255,255,255,.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--gold); color: #1a1a1a;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', sans-serif; font-weight: 800; font-size: 14px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-size: 15px; font-weight: 600; }
.logo-en { font-size: 9px; letter-spacing: .12em; color: rgba(255,255,255,.6); font-family: 'Inter'; }

.nav-links { display: flex; gap: 26px; }
.nav-links a { color: rgba(255,255,255,.82); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: var(--gold); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-actions .btn-free { background: var(--gold); color: #1a1a1a; padding: 9px 18px; font-size: 14px; }
.nav-actions .btn-free:hover { background: var(--gold-dark); color: #fff; }
.nav-actions .btn-contact { border: 1px solid rgba(255,255,255,.4); color: #fff; padding: 9px 18px; font-size: 14px; }
.nav-actions .btn-contact:hover { background: rgba(255,255,255,.12); }

/* ---------- Language Switch ---------- */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px; padding: 3px; flex-shrink: 0;
}
.lang-switch a {
  font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 600;
  color: rgba(255,255,255,.78); text-decoration: none;
  padding: 5px 10px; border-radius: 999px; line-height: 1;
  transition: all .2s; letter-spacing: .02em;
}
.lang-switch a:hover { color: #fff; background: rgba(255,255,255,.1); }
.lang-switch a.is-active { background: var(--gold); color: #1a1a1a; }
@media (max-width: 640px) { .lang-switch a { padding: 5px 8px; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #004D87 0%, #0066B3 55%, #004D87 100%); color: #fff; }
.hero-blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; pointer-events: none; }
.hero-blob--gold { background: var(--gold); width: 420px; height: 420px; top: -120px; right: -80px; opacity: .22; }
.hero-blob--blue { background: #2E9BFF; width: 480px; height: 480px; bottom: -160px; left: -120px; opacity: .28; }
.hero-inner { position: relative; z-index: 2; padding: 96px 0 104px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  font-size: 13px; color: rgba(255,255,255,.92); margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.hero-title { font-size: 42px; font-weight: 800; line-height: 1.3; margin: 0 auto 22px; max-width: 820px; }
.hero-sub { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,.85); max-width: 680px; margin: 0 auto 34px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Steps ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 32px 28px; transition: all .22s ease; }
.step-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.step-num { font-family: 'Inter'; font-size: 30px; font-weight: 800; color: var(--brand); }
.step-arrow { color: var(--gold); font-size: 18px; font-weight: 700; }
.step-title { font-size: 19px; font-weight: 700; margin: 0 0 10px; }
.step-desc { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0; }

/* ---------- Strength ---------- */
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.strength-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 30px 26px; transition: all .22s ease; }
.strength-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.strength-card .icon-wrap { margin-bottom: 18px; }
.strength-title { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.strength-desc { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0 0 16px; }
.strength-tag {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--brand-light); color: var(--brand); font-size: 12px; font-weight: 600;
}

/* ---------- Columns Entry ---------- */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.entry-card {
  display: flex; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 22px 24px; text-decoration: none; color: var(--ink);
  transition: all .22s ease;
}
.entry-card:hover { border-color: var(--brand); box-shadow: 0 12px 28px rgba(0,102,179,.12); transform: translateY(-2px); }
.entry-card .icon-wrap { width: 46px; height: 46px; border-radius: 12px; }
.entry-card .icon-wrap svg { width: 22px; height: 22px; }
.entry-title { font-size: 17px; font-weight: 600; margin: 0 0 3px; }
.entry-desc { font-size: 13px; color: var(--muted); margin: 0; }
.entry-card--gold { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%); color: #1a1a1a; border: none; }
.entry-card--gold .entry-title { color: #1a1a1a; }
.entry-card--gold .entry-desc { color: rgba(26,26,26,.72); }
.entry-card--gold .icon-wrap { background: rgba(255,255,255,.28); color: #1a1a1a; }

/* ---------- Stats ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 30px 26px; text-align: left;
}
.stat-num { font-family: 'Inter'; font-size: 40px; font-weight: 800; color: var(--brand); line-height: 1; margin-bottom: 10px; }
.stat-label { font-size: 14px; color: var(--muted); margin: 0; }
.stat-card--blue { background: linear-gradient(135deg, #004D87, #0066B3); border: none; }
.stat-card--blue .stat-num { color: #fff; }
.stat-card--blue .stat-label { color: rgba(255,255,255,.85); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.faq-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: all .22s ease; }
.faq-card:hover { box-shadow: 0 12px 28px rgba(15,23,42,.08); }
.faq-q { font-size: 18px; font-weight: 700; margin: 0 0 12px; line-height: 1.4; }
.faq-a { font-size: 13px; color: var(--muted); line-height: 1.75; margin: 0 0 16px; }
.faq-link { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-size: 14px; font-weight: 600; text-decoration: none; }
.faq-link:hover { color: var(--brand-dark); }

/* ---------- Trust bar ---------- */
.trust { background: var(--brand-dark); color: #fff; padding: 26px 0; }
.trust-inner { display: flex; align-items: center; gap: 16px; justify-content: center; text-align: center; }
.trust-icon { color: var(--gold); flex-shrink: 0; }
.trust-text-1 { font-size: 15px; font-weight: 600; }
.trust-text-2 { font-size: 12px; color: rgba(255,255,255,.6); }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; background: linear-gradient(120deg, #004D87 0%, #0066B3 60%, #D4A93C 130%); color: #fff; }
.cta-blob { position: absolute; border-radius: 50%; background: var(--gold); opacity: .25; filter: blur(60px); width: 360px; height: 360px; top: -100px; right: 8%; }
.cta-inner { position: relative; z-index: 2; text-align: center; padding: 78px 0; }
.cta-title { font-size: 38px; font-weight: 800; line-height: 1.3; margin: 0 0 16px; }
.cta-sub { font-size: 16px; color: rgba(255,255,255,.85); margin: 0 auto 30px; max-width: 600px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { background: var(--brand-dark); color: rgba(255,255,255,.75); padding: 60px 0 28px; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-col-title { font-size: 14px; font-weight: 600; color: #fff; margin: 0 0 16px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,.62); text-decoration: none; margin-bottom: 11px; transition: color .2s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; font-size: 12px; color: rgba(255,255,255,.5); flex-wrap: wrap; gap: 10px; }

/* ---------- Trade Record (海关数据样本卡) ---------- */
.record-card { border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: #fff; box-shadow: 0 10px 30px rgba(15,23,42,.06); }
.record-top { display: flex; justify-content: space-between; align-items: center; padding: 18px 26px; background: var(--brand-light); border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 12px; }
.record-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 6px; }
.record-meta { display: flex; gap: 22px; font-size: 13px; color: var(--muted); font-family: 'Inter'; }
.record-body { padding: 28px; }
.trade-flow { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; margin-bottom: 28px; }
.flow-box { border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.flow-label { font-size: 12px; color: var(--muted); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.flow-name { font-family: 'Inter'; font-size: 18px; font-weight: 800; color: var(--ink); margin: 0 0 3px; }
.flow-sub { font-size: 13px; color: var(--muted); margin: 0; }
.flow-arrow { color: var(--gold); font-size: 26px; }
.record-block { margin-bottom: 24px; }
.record-block-title { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; margin: 0 0 14px; }
.record-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.record-item { background: var(--surface); border-radius: 10px; padding: 12px 14px; }
.record-item .k { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.record-item .v { font-size: 14px; font-weight: 600; font-family: 'Inter'; }
.record-desc { background: var(--surface); border-radius: 10px; padding: 14px 16px; font-size: 13px; color: var(--muted); line-height: 1.7; }
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.price-item { border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; }
.price-item .k { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.price-item .v { font-family: 'Inter'; font-size: 20px; font-weight: 800; color: var(--brand); }

/* ---------- Features (功能特性) ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 30px 26px; transition: all .22s ease; }
.feature-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.feature-card .icon-wrap { margin-bottom: 18px; }
.feature-title { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.feature-desc { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0; }

/* ---------- China-Kazakh Trade ---------- */
.trade-overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.total-card { background: linear-gradient(135deg, #004D87, #0066B3); color: #fff; border-radius: 20px; padding: 34px; }
.total-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.8); margin-bottom: 16px; }
.total-value { font-family: 'Inter'; font-size: 52px; font-weight: 800; line-height: 1; margin-bottom: 12px; }
.growth-badge { display: inline-block; background: rgba(255,255,255,.16); color: #fff; font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; }
.total-desc { font-size: 14px; color: rgba(255,255,255,.82); line-height: 1.7; margin: 0 0 22px; }
.total-split { border-top: 1px solid rgba(255,255,255,.18); padding-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.split-row { display: flex; justify-content: space-between; align-items: center; }
.split-row .lbl { font-size: 14px; color: rgba(255,255,255,.85); }
.split-row .val { font-family: 'Inter'; font-size: 20px; font-weight: 700; }
.export-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 28px; }
.export-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.export-title .t { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; }
.export-title .dot { width: 10px; height: 10px; border-radius: 50%; }
.export-title .dot--cn { background: var(--brand); }
.export-title .dot--kz { background: var(--gold); }
.top-badge { background: var(--brand-light); color: var(--brand); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 6px; }
.bar-row { display: grid; grid-template-columns: 28px 1fr auto; gap: 12px; align-items: center; margin-bottom: 14px; }
.bar-rank { font-family: 'Inter'; font-size: 13px; font-weight: 700; color: var(--muted); }
.bar-name { font-size: 14px; }
.bar-track { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; margin-top: 6px; }
.bar-fill { height: 100%; border-radius: 999px; background: var(--brand); }
.bar-fill--gold { background: var(--gold); }
.bar-pct { font-family: 'Inter'; font-size: 14px; font-weight: 700; color: var(--ink); }

/* ---------- Contact（仅保留表单，视觉不单调） ---------- */
.contact-section { position: relative; padding: 92px 0 100px; background: linear-gradient(160deg, #F2F8FE 0%, #FFFFFF 55%); overflow: hidden; }
.contact-section::before, .contact-section::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.contact-section::before { width: 480px; height: 480px; top: -180px; right: -130px; background: radial-gradient(circle, rgba(0,102,179,.13) 0%, rgba(0,102,179,0) 70%); }
.contact-section::after { width: 400px; height: 400px; bottom: -160px; left: -110px; background: radial-gradient(circle, rgba(212,169,60,.14) 0%, rgba(212,169,60,0) 70%); }
.contact-inner { position: relative; z-index: 1; }

.contact-hero { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.contact-hero .tag { margin-bottom: 18px; }
.contact-hero h1 { font-size: 40px; font-weight: 800; margin: 0 0 14px; font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif; color: var(--ink); }
.contact-hero p { color: var(--muted); font-size: 17px; line-height: 1.7; margin: 0; }

.contact-card {
  position: relative; max-width: 820px; margin: 0 auto;
  background: #fff; border: 1px solid var(--border); border-radius: 24px;
  padding: 40px; box-shadow: 0 20px 50px rgba(15,23,42,.08);
}
.contact-card::before {
  content: ""; position: absolute; inset: 0; border-radius: 24px; padding: 1px;
  background: linear-gradient(135deg, rgba(0,102,179,.45), rgba(212,169,60,.45));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.contact-card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.form-badge {
  width: 54px; height: 54px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 8px 22px rgba(0,102,179,.32);
}
.form-badge svg { width: 27px; height: 27px; }
.contact-card-head .ch-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
.contact-card-head .ch-sub { font-size: 13px; color: var(--muted); margin: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .field--full { grid-column: 1 / -1; }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.field label .req { color: var(--gold-dark); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 14px; font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif; color: var(--ink); background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,102,179,.12);
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748B' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field textarea { resize: vertical; min-height: 120px; }
.submit-row { grid-column: 1 / -1; margin-top: 6px; }
.submit-row .btn { width: 100%; padding: 14px; font-size: 16px; }
.form-foot { grid-column: 1 / -1; margin-top: 4px; font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.form-foot svg { width: 15px; height: 15px; color: var(--brand); flex-shrink: 0; }

/* 服务承诺（价值背书，非其他联系方式） */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 980px; margin: 56px auto 0; }
.promise-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 26px 24px; text-align: center; transition: all .22s ease; }
.promise-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.promise-icon { width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 14px; background: var(--brand-light); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.promise-icon svg { width: 24px; height: 24px; }
.promise-card h4 { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.promise-card p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.65; }

/* ---------- 子栏目扩展内容板块 ---------- */
.lead-text { max-width: 820px; margin: 0 auto; font-size: 16px; line-height: 1.85; color: var(--muted); text-align: center; }

.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.info-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 28px; transition: all .22s ease; }
.info-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.info-card .icon-wrap { margin-bottom: 16px; }
.info-k { font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.info-v { font-family: 'Inter'; font-size: 26px; font-weight: 800; color: var(--brand); margin: 0 0 8px; line-height: 1.1; }
.info-d { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0; }

.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.industry-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 26px; transition: all .22s ease; }
.industry-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.industry-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.industry-name { font-size: 18px; font-weight: 700; margin: 0; }
.industry-pct { font-family: 'Inter'; font-size: 18px; font-weight: 800; color: var(--gold-dark); }
.industry-desc { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0 0 16px; }
.mini-track { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.mini-fill { height: 100%; border-radius: 999px; background: var(--brand); }
.mini-fill--gold { background: var(--gold); }

.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.partner-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px 16px; text-align: center; transition: all .22s ease; }
.partner-card:hover { box-shadow: 0 12px 28px rgba(15,23,42,.08); transform: translateY(-2px); }
.partner-flag { font-size: 24px; margin-bottom: 8px; }
.partner-name { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.partner-share { font-family: 'Inter'; font-size: 22px; font-weight: 800; color: var(--brand); }
.partner-label { font-size: 12px; color: var(--muted); }

.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.policy-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 28px; transition: all .22s ease; }
.policy-card:hover { box-shadow: 0 14px 34px rgba(15,23,42,.09); transform: translateY(-3px); }
.policy-card .icon-wrap { margin-bottom: 16px; }
.policy-title { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.policy-desc { font-size: 14px; color: var(--muted); line-height: 1.75; margin: 0; }

.sample-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mini-record { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px; transition: all .22s ease; }
.mini-record:hover { box-shadow: 0 12px 28px rgba(15,23,42,.08); transform: translateY(-2px); }
.mini-record-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; font-size: 12px; color: var(--muted); }
.mini-record-prod { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.mini-record-sub { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.mini-record-foot { display: flex; justify-content: space-between; font-family: 'Inter'; font-size: 14px; font-weight: 700; color: var(--brand); border-top: 1px solid var(--border); padding-top: 12px; }

.field-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.field-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.field-card .icon-wrap { width: 42px; height: 42px; border-radius: 12px; margin-bottom: 12px; }
.field-card .icon-wrap svg { width: 20px; height: 20px; }
.field-title { font-size: 15px; font-weight: 700; margin: 0 0 6px; }
.field-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0; }

.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px; transition: all .22s ease; }
.scene-card:hover { box-shadow: 0 12px 28px rgba(15,23,42,.08); transform: translateY(-2px); }
.scene-title { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.scene-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin: 0; }

.region-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.region-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px; transition: all .22s ease; }
.region-card:hover { box-shadow: 0 12px 28px rgba(15,23,42,.08); transform: translateY(-2px); }
.region-name { font-size: 17px; font-weight: 700; margin: 0 0 2px; }
.region-en { font-size: 11px; color: var(--muted); font-family: 'Inter'; margin: 0 0 12px; }
.region-stat { font-family: 'Inter'; font-size: 22px; font-weight: 800; color: var(--brand); margin: 0 0 4px; }
.region-label { font-size: 12px; color: var(--muted); margin: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip { display: inline-flex; align-items: center; padding: 8px 16px; border-radius: 999px; background: var(--brand-light); color: var(--brand); font-size: 14px; font-weight: 600; }

/* ===== 海关数据字段体系（行业数据字典维度） ===== */
.kz-overview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 4px 0 38px; }
.kz-ov { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 16px; text-align: center; }
.kz-ov-v { font-family: 'Inter'; font-size: 26px; font-weight: 700; color: var(--brand); line-height: 1.1; }
.kz-ov-k { font-size: 13px; color: var(--muted); margin-top: 6px; }

.kz-module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kz-module { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.kz-mod-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.kz-mod-no { font-family: 'Inter'; font-size: 13px; font-weight: 700; color: #fff; background: var(--brand); width: 26px; height: 26px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.kz-mod-count { font-family: 'Inter'; font-size: 12px; font-weight: 700; color: var(--gold); background: rgba(212,169,60,.14); padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.kz-mod-name { font-size: 15px; font-weight: 700; margin: 0 0 11px; }
.kz-fields { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.kz-fchip { font-size: 11.5px; color: var(--ink); background: #f1f5f9; border: 1px solid var(--border); border-radius: 7px; padding: 3px 8px; }
.kz-stars { font-size: 12px; color: var(--gold); letter-spacing: 1px; }

.kz-scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kz-scene { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.kz-scene-h { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.kz-scene-ic { width: 34px; height: 34px; border-radius: 10px; background: rgba(0,102,179,.10); color: var(--brand); display: flex; align-items: center; justify-content: center; font-family: 'Inter'; font-weight: 700; font-size: 15px; flex: none; }
.kz-scene-name { font-size: 15px; font-weight: 700; margin: 0; }
.kz-scene-core { font-size: 13px; color: var(--ink); margin: 0 0 8px; }
.kz-scene-core b { color: var(--brand); font-weight: 600; }
.kz-scene-rel { font-size: 12.5px; color: var(--muted); margin: 0; }

@media (max-width: 960px) { .kz-overview, .kz-module-grid, .kz-scene-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .kz-overview, .kz-module-grid, .kz-scene-grid { grid-template-columns: 1fr; } .kz-ov-v { font-size: 22px; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .steps-grid, .strength-grid, .entry-grid, .stats-grid, .faq-grid, .features-grid,
  .info-grid, .industry-grid, .policy-grid, .sample-grid { grid-template-columns: repeat(2, 1fr); }
  .field-grid, .scene-grid, .region-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .trade-overview-grid, .form-grid, .promise-grid { grid-template-columns: 1fr; }
  .price-grid, .record-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .section-title, .hero-title, .cta-title { font-size: 28px; }
  .hero-title { font-size: 30px; }
  .nav-links { display: none; }
  .steps-grid, .strength-grid, .entry-grid, .stats-grid, .faq-grid, .features-grid,
  .info-grid, .industry-grid, .policy-grid, .sample-grid,
  .field-grid, .scene-grid, .region-grid, .partner-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .price-grid, .record-grid { grid-template-columns: 1fr; }
  .trade-flow { grid-template-columns: 1fr; }
  .total-value { font-size: 40px; }
}

/* ===== 表单提交状态（站内提示，AJAX 提交） ===== */
.form-status { display: none; align-items: flex-start; gap: 12px; margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
.form-status svg { flex: none; margin-top: 2px; }
.form-status strong { display: block; font-size: 15px; }
.form-status p { margin: 2px 0 0; }
.form-status--success { display: flex; background: #ECF9F0; border: 1px solid #B9E4C8; color: #1E6B3C; animation: statusIn .3s ease; }
.form-status--error { display: flex; background: #FDF0EF; border: 1px solid #F3C9C4; color: #A33A2E; animation: statusIn .3s ease; }
@keyframes statusIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.btn.is-loading { opacity: .6; pointer-events: none; }