/* ============================================================
   北京燕风国际旅行社 · 官网样式
   品牌色：燕风紫（取自 LOGO）+ 金色点缀（企航签证 VISA 金）
   ============================================================ */

:root {
  --brand-900: #241d43;
  --brand-800: #322960;
  --brand-700: #443680;
  --brand-600: #54429b;
  --brand-500: #6a57ad;
  --brand-300: #a99cd4;
  --brand-100: #e9e5f5;
  --brand-50:  #f5f3fa;
  --gold: #c19a45;
  --gold-deep: #a8823a;
  --gold-soft: #f6efdd;
  --ink: #1e2333;
  --ink-2: #474f63;
  --ink-3: #7b8296;
  --line: #e7e5f0;
  --line-2: #f0eef7;
  --bg: #ffffff;
  --bg-soft: #f8f8fc;
  --danger: #c0392b;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(36, 29, 67, .06), 0 2px 10px rgba(36, 29, 67, .05);
  --shadow-md: 0 12px 32px rgba(36, 29, 67, .10);
  --shadow-lg: 0 24px 64px rgba(36, 29, 67, .16);
  --max: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ---------- 通用标题 ---------- */
.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--brand-50); }
.section--brand { background: linear-gradient(135deg, var(--brand-900), var(--brand-700)); color: #fff; }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-eyebrow {
  display: inline-block; font-size: 13.5px; letter-spacing: .18em;
  color: var(--gold-deep); font-weight: 600; margin-bottom: 12px;
}
.section--brand .sec-eyebrow { color: #e3c887; }
.sec-title {
  font-size: clamp(26px, 3.4vw, 36px); line-height: 1.32;
  color: var(--brand-900); font-weight: 700; letter-spacing: .01em;
}
.section--brand .sec-title { color: #fff; }
.sec-desc { color: var(--ink-2); font-size: 16.5px; margin-top: 14px; }
.section--brand .sec-desc { color: rgba(255,255,255,.82); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; border: none;
  font-size: 15.5px; font-weight: 600; line-height: 1.4;
  transition: all .22s ease; white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
  color: #fff; box-shadow: 0 8px 22px rgba(68, 54, 128, .30);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(68, 54, 128, .36); }
.btn--gold { background: var(--gold); color: #241a06; box-shadow: 0 8px 22px rgba(193, 154, 69, .28); }
.btn--gold:hover { transform: translateY(-2px); background: #b58f3c; }
.btn--ghost { background: transparent; color: var(--brand-700); border: 1.5px solid var(--brand-300); }
.btn--ghost:hover { border-color: var(--brand-600); background: var(--brand-50); }
.btn--ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.btn--ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn--sm { padding: 9px 20px; font-size: 14px; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 120;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-2);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  height: var(--header-h); display: flex; align-items: center; gap: 28px;
}
.brand-logo img { height: 46px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a.nav-link {
  padding: 9px 15px; border-radius: 8px; font-size: 15px; font-weight: 500;
  color: var(--ink-2); transition: all .18s ease; position: relative;
}
.main-nav a.nav-link:hover { color: var(--brand-700); background: var(--brand-50); }
.main-nav a.nav-link.is-active { color: var(--brand-700); font-weight: 600; }
.main-nav a.nav-link.is-active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px;
  height: 2px; border-radius: 2px; background: var(--gold);
}
.nav-cta { display: flex; align-items: center; gap: 12px; margin-left: 14px; }
.header-phone {
  display: flex; flex-direction: column; align-items: flex-end; line-height: 1.3;
}
.header-phone .num { font-size: 16.5px; font-weight: 700; color: var(--brand-800); }
.header-phone .tip { font-size: 11.5px; color: var(--ink-3); }
.header-phone .tip em { font-style: normal; color: var(--gold-deep); font-weight: 600; }

/* 下拉菜单 */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 240px;
  background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  border: 1px solid var(--line-2); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: all .2s ease;
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a {
  display: block; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2);
}
.nav-dropdown a:hover { background: var(--brand-50); color: var(--brand-700); }
.nav-dropdown a small { display: block; color: var(--ink-3); font-size: 12.5px; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none; margin-left: auto; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .2s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 面包屑 ---------- */
.crumb { padding: 18px 0 0; font-size: 13.5px; color: var(--ink-3); }
.crumb a { color: var(--ink-3); }
.crumb a:hover { color: var(--brand-600); }
.crumb .sep { margin: 0 8px; color: var(--line); }

/* ---------- 子页头 ---------- */
.page-hero {
  background:
    radial-gradient(900px 340px at 85% -10%, rgba(106, 87, 173, .35), transparent 60%),
    linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 100%);
  color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero .crumb, .page-hero .crumb a { color: rgba(255,255,255,.6); }
.page-hero .crumb a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; line-height: 1.3; margin-top: 18px; }
.page-hero .lead { color: rgba(255,255,255,.82); font-size: 17px; max-width: 720px; margin-top: 14px; }
.page-hero--visa {
  background:
    radial-gradient(900px 340px at 85% -10%, rgba(193, 154, 69, .28), transparent 60%),
    linear-gradient(135deg, #1d1838 0%, var(--brand-800) 100%);
}
.visa-brand-tag {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 20px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22);
  font-size: 14px; color: #f0dfae;
}
.visa-brand-tag img { height: 30px; width: auto; }

/* ---------- Hero（首页） ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 88% -20%, rgba(106, 87, 173, .45), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(193, 154, 69, .18), transparent 55%),
    linear-gradient(140deg, #191430 0%, var(--brand-800) 55%, var(--brand-700) 100%);
  padding: 96px 0 108px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px;
  border-radius: 999px; background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.2); font-size: 13.5px; color: #e6dff7;
  margin-bottom: 26px;
}
.hero-badge b { color: #eccf87; }
.hero h1 {
  font-size: clamp(32px, 4.6vw, 52px); line-height: 1.28; font-weight: 700;
  max-width: 820px; letter-spacing: .01em;
}
.hero h1 em { font-style: normal; color: #eccf87; }
.hero .sub {
  margin-top: 20px; font-size: 17px; color: rgba(255,255,255,.85); max-width: 700px;
}
.hero .sub b { color: #fff; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero-strip {
  display: flex; gap: 12px; margin-top: 48px; flex-wrap: wrap;
}
.hero-strip .chip {
  padding: 8px 18px; border-radius: 999px; font-size: 14px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.88);
}

/* ---------- 数字条 ---------- */
.stats-band { background: #fff; margin-top: -56px; position: relative; z-index: 5; }
.stats-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-md);
  border: 1px solid var(--line-2);
  display: grid; grid-template-columns: repeat(7, 1fr); overflow: hidden;
}
.stat {
  padding: 26px 10px; text-align: center; border-right: 1px solid var(--line-2);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-size: clamp(20px, 2.2vw, 28px); font-weight: 800; color: var(--brand-700);
  font-variant-numeric: tabular-nums; line-height: 1.2;
}
.stat .lab { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.stats-card--4 { grid-template-columns: repeat(4, 1fr); }
.steps5 { display: grid; gap: 16px; grid-template-columns: repeat(5, 1fr); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.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-2); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 25px; background: var(--brand-50); margin-bottom: 18px;
}
.card h3 { font-size: 19px; color: var(--brand-900); font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14.8px; color: var(--ink-2); flex: 1; }
.card .more {
  margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--brand-600);
  display: inline-flex; align-items: center; gap: 6px;
}
.card .more:hover { color: var(--brand-800); }

/* 理念卡片 */
.value-card { background: #fff; border-radius: var(--radius); padding: 34px 30px; border-top: 3px solid var(--gold); box-shadow: var(--shadow-sm); }
.value-card h3 { font-size: 19px; color: var(--brand-900); margin-bottom: 12px; }
.value-card p { color: var(--ink-2); font-size: 15px; }

/* ---------- 图文左右块 ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split .kicker {
  font-size: 13.5px; letter-spacing: .16em; color: var(--gold-deep); font-weight: 600; margin-bottom: 12px;
}
.split h2 { font-size: clamp(24px, 3vw, 32px); color: var(--brand-900); line-height: 1.35; margin-bottom: 18px; }
.split p { color: var(--ink-2); font-size: 15.8px; margin-bottom: 14px; }
.split-panel {
  background: linear-gradient(150deg, var(--brand-50), #fff);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 34px;
}
.split-panel h4 { font-size: 15px; color: var(--brand-800); letter-spacing: .06em; margin-bottom: 16px; }
.split-panel .row {
  display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--line);
  font-size: 15px;
}
.split-panel .row:last-child { border-bottom: none; }
.split-panel .row .k { color: var(--ink-2); }
.split-panel .row .v { color: var(--brand-800); font-weight: 700; }

/* ---------- 列表（差异/优势） ---------- */
.diff-list { display: grid; gap: 20px; }
.diff-item {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow-sm);
}
.diff-item .no {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
  color: #fff; font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.diff-item h3 { font-size: 17.5px; color: var(--brand-900); margin-bottom: 6px; }
.diff-item p { font-size: 14.8px; color: var(--ink-2); }

/* ---------- 案例表 ---------- */
.table-box {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.table-scroll { overflow-x: auto; }
table.cases { width: 100%; border-collapse: collapse; min-width: 760px; }
table.cases th {
  text-align: left; padding: 16px 20px; background: var(--brand-50);
  font-size: 14px; color: var(--brand-800); font-weight: 700; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.cases td {
  padding: 15px 20px; font-size: 14.6px; color: var(--ink-2);
  border-bottom: 1px solid var(--line-2); vertical-align: top;
}
table.cases tr:last-child td { border-bottom: none; }
table.cases td.c-name { color: var(--ink); font-weight: 600; white-space: nowrap; }
.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12.5px;
  background: var(--brand-50); color: var(--brand-700); border: 1px solid var(--brand-100);
  white-space: nowrap;
}
.tag--gold { background: var(--gold-soft); color: var(--gold-deep); border-color: #ecdcb4; }

/* ---------- 资质 ---------- */
.qual-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.qual-item {
  display: flex; align-items: flex-start; gap: 14px; background: #fff;
  border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 20px 22px;
}
.qual-item .ic { font-size: 22px; }
.qual-item b { display: block; font-size: 15.5px; color: var(--brand-900); }
.qual-item span { font-size: 13.5px; color: var(--ink-3); }

/* ---------- 签证国家卡片 ---------- */
.region-block { margin-bottom: 44px; }
.region-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; }
.region-head h3 { font-size: 21px; color: var(--brand-900); }
.region-head .line { flex: 1; height: 1px; background: var(--line); }
.region-head .desc { font-size: 13.5px; color: var(--ink-3); }
.country-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.country-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  padding: 20px 20px 18px; transition: all .2s ease; display: flex; flex-direction: column; gap: 6px;
  border-top: 3px solid var(--brand-100);
}
.country-card:hover { border-color: var(--brand-300); border-top-color: var(--gold); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.country-card .name { font-size: 17px; font-weight: 700; color: var(--brand-900); }
.country-card .meta { font-size: 12.8px; color: var(--ink-3); flex: 1; }
.country-card .go { font-size: 13px; color: var(--brand-600); font-weight: 600; }
.country-card--soon { opacity: .78; }
.country-card--soon .go { color: var(--ink-3); font-weight: 400; }

/* ---------- 签证详情页 ---------- */
.visa-type { background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-bottom: 22px; overflow: hidden; }
.visa-type__head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
  padding: 22px 26px; cursor: pointer; user-select: none;
}
.visa-type__head:hover { background: var(--bg-soft); }
.visa-type__head h3 { font-size: 18px; color: var(--brand-900); font-weight: 700; }
.visa-type__head .meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13.2px; color: var(--ink-3); }
.visa-type__head .meta b { color: var(--ink-2); font-weight: 600; }
.visa-type__head .arrow { margin-left: auto; color: var(--brand-500); transition: transform .25s; font-size: 13px; }
.visa-type.open .visa-type__head .arrow { transform: rotate(180deg); }
.visa-type__body { display: none; padding: 4px 26px 26px; }
.visa-type.open .visa-type__body { display: block; }
.mat-group { margin-bottom: 18px; }
.mat-group h4 {
  font-size: 14.5px; color: var(--brand-700); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.mat-group h4::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--gold); }
.mat-group ul { padding-left: 2px; }
.mat-group li {
  position: relative; padding: 4px 0 4px 20px; font-size: 14.6px; color: var(--ink-2);
}
.mat-group li::before {
  content: ""; position: absolute; left: 4px; top: 14px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--brand-300);
}
.mat-group--warn li::before { background: var(--gold); }

/* 国家切换器 */
.country-switch { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 8px; }
.country-switch a {
  padding: 7px 15px; border-radius: 999px; font-size: 13.5px;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2); transition: all .18s;
}
.country-switch a:hover { border-color: var(--brand-300); color: var(--brand-700); }
.country-switch a.is-active { background: var(--brand-700); border-color: var(--brand-700); color: #fff; font-weight: 600; }

/* ---------- CTA 区块 ---------- */
.cta-band { padding: 72px 0; }
.cta-box {
  background:
    radial-gradient(700px 300px at 90% -30%, rgba(193, 154, 69, .25), transparent 60%),
    linear-gradient(135deg, var(--brand-900), var(--brand-700));
  border-radius: 20px; padding: 54px 56px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-box h2 { font-size: clamp(22px, 2.8vw, 30px); line-height: 1.4; }
.cta-box p { color: rgba(255,255,255,.8); margin-top: 10px; font-size: 15.5px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; }
.contact-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 34px 32px; box-shadow: var(--shadow-sm);
}
.contact-card h3 { font-size: 19px; color: var(--brand-900); margin-bottom: 20px; }
.c-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--line); align-items: flex-start; }
.c-row:last-child { border-bottom: none; }
.c-row .ic {
  flex: none; width: 42px; height: 42px; border-radius: 12px; background: var(--brand-50);
  display: flex; align-items: center; justify-content: center; font-size: 19px;
}
.c-row .k { font-size: 13px; color: var(--ink-3); }
.c-row .v { font-size: 16.5px; color: var(--ink); font-weight: 600; }
.c-row .v small { display: block; font-size: 12.8px; color: var(--ink-3); font-weight: 400; margin-top: 2px; }
.copy-btn {
  border: 1px solid var(--brand-300); color: var(--brand-700); background: #fff;
  font-size: 12.5px; padding: 4px 12px; border-radius: 999px; margin-left: 10px; transition: all .18s;
}
.copy-btn:hover { background: var(--brand-50); }
.copy-btn.ok { border-color: #2e9e5b; color: #2e9e5b; }

/* 询盘表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.5px; color: var(--ink-2); font-weight: 600; margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(106, 87, 173, .12);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-result {
  display: none; background: #f0faf3; border: 1px solid #bfe5cc; color: #1d6b3c;
  border-radius: var(--radius-sm); padding: 18px 20px; font-size: 14.6px; line-height: 1.8;
}
.form-result.show { display: block; }
.form-result b { color: #14572c; }

/* ---------- 页脚 ---------- */
.site-footer { background: #171226; color: rgba(255,255,255,.72); margin-top: 0; }
.footer-top {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 44px; padding: 64px 0 48px;
}
.footer-brand img { height: 44px; width: auto; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.6); }
.footer-col h4 {
  color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .04em;
  display: flex; align-items: center; gap: 8px;
}
.footer-col h4::before { content: ""; width: 14px; height: 2px; background: var(--gold); border-radius: 2px; }
.footer-col a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.62); transition: color .18s; }
.footer-col a:hover { color: #fff; }
.footer-col .f-line { font-size: 14px; padding: 5px 0; line-height: 1.8; }
.footer-col .f-line b { color: #fff; font-size: 15.5px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,.45);
}

/* ---------- 悬浮微信按钮 ---------- */
.float-wechat {
  position: fixed; right: 22px; bottom: 88px; z-index: 110;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  width: 64px; height: 64px; border-radius: 50%; border: none;
  background: linear-gradient(135deg, #2e9e5b, #1d7a44); color: #fff;
  box-shadow: 0 10px 26px rgba(29, 122, 68, .4);
  font-size: 11.5px; font-weight: 600; transition: transform .2s ease;
}
.float-wechat:hover { transform: translateY(-3px); }
.float-wechat .ic { font-size: 20px; line-height: 1; }

/* 微信弹层 */
.modal-mask {
  position: fixed; inset: 0; z-index: 200; background: rgba(23, 18, 38, .55);
  display: none; align-items: center; justify-content: center; padding: 24px;
  backdrop-filter: blur(3px);
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 18px; padding: 40px 44px; max-width: 400px; width: 100%;
  text-align: center; position: relative; box-shadow: var(--shadow-lg);
}
.modal h3 { font-size: 20px; color: var(--brand-900); margin-bottom: 8px; }
.modal .sub { font-size: 14px; color: var(--ink-3); margin-bottom: 22px; }
.modal .wx-num {
  font-size: 26px; font-weight: 800; letter-spacing: .06em; color: var(--brand-800);
  background: var(--brand-50); border: 1.5px dashed var(--brand-300);
  border-radius: var(--radius-sm); padding: 14px 10px; margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.modal .close-x {
  position: absolute; top: 14px; right: 18px; border: none; background: none;
  font-size: 22px; color: var(--ink-3); line-height: 1;
}
.modal .tip { font-size: 12.8px; color: var(--ink-3); margin-top: 14px; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .country-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-card, .stats-card--4 { grid-template-columns: repeat(4, 1fr); }
  .steps5 { grid-template-columns: repeat(3, 1fr); }
  .stat { border-bottom: 1px solid var(--line-2); }
  .stat:nth-child(4n) { border-right: none; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .hero { padding: 66px 0 88px; }
  .hero-badge { font-size: 12px; padding: 7px 13px; }
  .main-nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 18px 20px; box-shadow: var(--shadow-md); border-top: 1px solid var(--line-2);
  }
  .main-nav.open { display: flex; }
  .main-nav a.nav-link { padding: 13px 12px; font-size: 16px; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 6px 12px; display: none; }
  .nav-item.open .nav-dropdown { display: block; }
  .nav-cta { margin: 10px 0 0; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .country-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-card, .stats-card--4 { grid-template-columns: repeat(2, 1fr); }
  .steps5 { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 1px solid var(--line-2); }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-2); }
  .qual-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 38px 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; padding: 48px 0 36px; }
  .float-wechat { right: 14px; bottom: 76px; width: 58px; height: 58px; }
  .modal { padding: 32px 24px; }
}