/* ==========================================================================
   Guangzhou Wenyi Auto Parts — Front Website Stylesheet
   简约大气 · 外贸 B2B 风格
   ========================================================================== */

:root {
  --ink: #0a1a2b;
  --ink-2: #12283f;
  --navy: #0d2740;
  --primary: #14508c;
  --primary-dark: #0e3c6c;
  --primary-light: #e8f0f9;
  --accent: #d9552b;
  --accent-dark: #bf4520;
  --text: #1c2b3a;
  --text-soft: #5a6b7d;
  --text-mute: #8b99a7;
  --line: #e2e8f0;
  --line-soft: #eef2f6;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-tint: #eef3f8;
  --white: #fff;
  --ok: #1f9254;
  --warn: #b7791f;
  --err: #c0392b;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(10, 26, 43, .06), 0 1px 3px rgba(10, 26, 43, .04);
  --shadow: 0 4px 14px rgba(10, 26, 43, .08);
  --shadow-lg: 0 18px 48px rgba(10, 26, 43, .14);
  --container: 1240px;
  --header-h: 76px;
  --font: 'Inter', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --transition: .28s cubic-bezier(.4, 0, .2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 28px; font-size: .94rem; font-weight: 600; letter-spacing: .02em;
  border-radius: var(--radius); transition: all var(--transition); white-space: nowrap;
  border: 1.5px solid transparent; cursor: pointer;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(20, 80, 140, .28); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217, 85, 43, .3); }
.btn-ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 9px 18px; font-size: .85rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--ink); color: rgba(255, 255, 255, .72);
  font-size: .8rem; letter-spacing: .02em;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar-info { display: flex; gap: 26px; align-items: center; }
.topbar-info span { display: inline-flex; align-items: center; gap: 7px; }
.topbar-info svg { width: 13px; height: 13px; opacity: .75; }
.topbar a:hover { color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 900; background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft); transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 18px rgba(10, 26, 43, .08); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 5px; flex: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--ink) 100%);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.02rem; letter-spacing: -.04em;
}
.logo-text b { display: block; font-size: 1.02rem; font-weight: 800; color: var(--ink); letter-spacing: -.01em; line-height: 1.2; }
.logo-text small { display: block; font-size: .68rem; color: var(--text-mute); letter-spacing: .13em; text-transform: uppercase; }
/* 前台编辑器替换后的 Logo 图片（双击换图） */
.logo img[data-ovr] { height: 40px; width: auto; max-width: 240px; display: block; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li > a {
  display: block; padding: 10px 16px; font-size: .92rem; font-weight: 500; color: var(--text-soft);
  border-radius: var(--radius); position: relative;
}
.nav-menu > li > a::after {
  content: ''; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px;
  background: var(--accent); transform: scaleX(0); transition: transform var(--transition); transform-origin: left;
}
.nav-menu > li > a:hover { color: var(--ink); }
.nav-menu > li > a.active { color: var(--ink); font-weight: 600; }
.nav-menu > li > a.active::after { transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: 14px; }

/* Language switch */
.lang-switch { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--line);
  border-radius: var(--radius); font-size: .85rem; font-weight: 500; color: var(--text-soft); background: #fff;
}
.lang-btn:hover { border-color: var(--primary); color: var(--primary); }
.lang-btn svg { width: 15px; height: 15px; }
.lang-btn .chev { width: 11px; height: 11px; opacity: .6; }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 170px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 6px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all var(--transition);
}
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu button {
  display: flex; width: 100%; align-items: center; gap: 10px; padding: 9px 12px; font-size: .875rem;
  border-radius: 3px; color: var(--text-soft); text-align: left;
}
.lang-menu button:hover { background: var(--bg-soft); color: var(--ink); }
.lang-menu button.on { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.lang-flag { font-size: 1rem; line-height: 1; }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: var(--radius); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; transition: var(--transition); }

/* Account chip */
.acct-chip {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px 7px 8px; border: 1px solid var(--line);
  border-radius: 40px; font-size: .85rem; font-weight: 500;
}
.acct-chip:hover { border-color: var(--primary); }
.acct-avatar {
  width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: .72rem; font-weight: 700;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--ink); color: #fff; overflow: hidden;
  padding: 108px 0 116px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(20, 80, 140, .55), transparent 62%),
    radial-gradient(620px 420px at 12% 88%, rgba(217, 85, 43, .2), transparent 60%),
    linear-gradient(160deg, #0a1a2b 0%, #112c47 55%, #0a1a2b 100%);
}
.hero-grid-bg {
  position: absolute; inset: 0; opacity: .35;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 60px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; border-radius: 40px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .16);
  font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .9);
  margin-bottom: 26px;
}
.hero-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: block; }
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: #7fb3e8; }
.hero-lead { font-size: 1.08rem; color: rgba(255, 255, 255, .76); max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; max-width: 620px; }
.hero-stat b { display: block; font-size: 1.9rem; font-weight: 800; color: #fff; letter-spacing: -.03em; line-height: 1.1; }
.hero-stat span { font-size: .78rem; color: rgba(255, 255, 255, .58); letter-spacing: .04em; }

.hero-visual { position: relative; }
.hero-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg); padding: 26px; backdrop-filter: blur(8px);
}
.hero-card h4 { color: #fff; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 20px; color: rgba(255, 255, 255, .55); font-weight: 600; }
.hero-brands { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; }
.hero-brand {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius); padding: 18px 16px; text-align: center; transition: var(--transition);
}
.hero-brand:hover { background: rgba(255, 255, 255, .12); transform: translateY(-3px); }
.hero-brand svg { width: 40px; height: 40px; margin: 0 auto 10px; }
.hero-brand b { display: block; color: #fff; font-size: .92rem; }
.hero-brand span { font-size: .74rem; color: rgba(255, 255, 255, .5); }
.hero-check { display: flex; flex-direction: column; gap: 11px; }
.hero-check li { display: flex; gap: 11px; align-items: flex-start; font-size: .875rem; color: rgba(255, 255, 255, .8); }
.hero-check svg { width: 17px; height: 17px; flex: none; color: #5bc98d; margin-top: 3px; }

/* ---------- Section base ---------- */
.section { padding: 92px 0; }
.section-soft { background: var(--bg-soft); }
.section-tint { background: var(--bg-tint); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-size: .76rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p { color: var(--text-soft); font-size: 1.02rem; }
.rule { width: 52px; height: 3px; background: var(--accent); margin-bottom: 22px; }
.section-head.center .rule { margin-left: auto; margin-right: auto; }

/* ---------- Feature cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: all var(--transition);
}
.card:hover { border-color: #cbd8e6; box-shadow: var(--shadow); transform: translateY(-4px); }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius); background: var(--primary-light);
  display: grid; place-items: center; color: var(--primary); margin-bottom: 20px;
}
.card-icon svg { width: 25px; height: 25px; }
.card h3 { margin-bottom: 10px; font-size: 1.08rem; }
.card p { color: var(--text-soft); font-size: .92rem; }

/* ---------- Category tiles ---------- */
.cat-tile {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  text-align: center; transition: all var(--transition); display: block;
  padding: 0 !important; overflow: hidden;
}
.cat-tile:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-4px); }

/* 分类卡片封面样式（统一设计） */
.cat-tile-ovr { position: relative; display: block; width: 100%; min-height: 180px; }
.cat-tile-ovr img[data-ovr] { width: 100%; height: 100%; min-height: 180px; object-fit: cover; display: block; background: #f1f5f9; }
.cat-tile-ovr .cat-tile-label {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 12px 10px;
  background: rgba(80,80,90,.72); color: #fff; font-size: .92rem; font-weight: 700;
  text-align: center; line-height: 1.3;
}

/* ---------- Product cards ---------- */
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition); display: flex; flex-direction: column;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); border-color: #cbd8e6; }
.prod-thumb {
  aspect-ratio: 4 / 3; background: linear-gradient(150deg, #f2f5f9, #e4ebf3); position: relative;
  display: grid; place-items: center; overflow: hidden;
}
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod-thumb svg { width: 46%; height: 46%; color: #8ea7c2; }
.prod-badge {
  position: absolute; top: 12px; left: 12px; padding: 4px 11px; border-radius: 3px; font-size: .68rem;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; background: var(--ink); color: #fff;
}
.prod-badge.bmw { background: #1c69d4; }
.prod-badge.mb { background: #101820; }
.prod-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.prod-body h3 { font-size: 1rem; margin-bottom: 8px; }
.prod-meta { font-size: .8rem; color: var(--text-mute); margin-bottom: 4px; display: flex; gap: 6px; }
.prod-meta b { color: var(--text-soft); font-weight: 600; }
.prod-foot {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: space-between; font-size: .82rem;
}
.prod-foot .moq { color: var(--text-mute); }
.prod-foot a { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.prod-foot a svg { width: 13px; height: 13px; transition: transform var(--transition); }
.prod-foot a:hover svg { transform: translateX(3px); }

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-bottom: 32px;
  padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.filter-bar .search { flex: 1; min-width: 220px; position: relative; }
.filter-bar .search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-mute); }
.filter-bar input, .filter-bar select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: .9rem; background: #fff; transition: border-color var(--transition);
}
.filter-bar .search input { padding-left: 38px; }
.filter-bar input:focus, .filter-bar select:focus { outline: none; border-color: var(--primary); }
.filter-bar select { width: auto; min-width: 170px; cursor: pointer; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 40px; font-size: .85rem;
  color: var(--text-soft); background: #fff; transition: var(--transition);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---------- Split / about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 62px; align-items: center; }
.split-media {
  border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(150deg, #12283f, #0a1a2b);
  aspect-ratio: 4 / 3; position: relative;
}
.split-media svg { width: 100%; height: 100%; }
.split-media img.editable-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.contact-banner { display: block; width: 100%; height: 240px; object-fit: cover; border-radius: var(--radius-lg); }
[data-editable-img] { cursor: pointer; }
.split-text p { color: var(--text-soft); margin-bottom: 18px; }
.check-list { display: flex; flex-direction: column; gap: 14px; margin: 26px 0; }
.check-list li { display: flex; gap: 13px; align-items: flex-start; }
.check-list .ck {
  width: 22px; height: 22px; border-radius: 50%; background: var(--primary-light); color: var(--primary);
  display: grid; place-items: center; flex: none; margin-top: 2px;
}
.check-list .ck svg { width: 12px; height: 12px; }
.check-list b { display: block; color: var(--ink); font-size: .95rem; }
.check-list span { font-size: .88rem; color: var(--text-soft); }

/* ---------- Stats strip ---------- */
.stats-strip { background: var(--ink); color: #fff; padding: 62px 0; }
.stats-strip .grid-4 { gap: 30px; }
.stat-item { text-align: center; }
.stat-item b { display: block; font-size: 2.6rem; font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1; margin-bottom: 8px; }
.stat-item span { font-size: .86rem; color: rgba(255, 255, 255, .6); letter-spacing: .04em; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding-bottom: 32px; }
.timeline li::before {
  content: ''; position: absolute; left: -34px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--primary);
}
.timeline b { display: block; color: var(--accent); font-size: .82rem; letter-spacing: .1em; margin-bottom: 5px; }
.timeline h4 { font-size: 1.05rem; margin-bottom: 6px; }
.timeline p { font-size: .9rem; color: var(--text-soft); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process-item { position: relative; padding-top: 8px; }
.process-num {
  font-size: 2.6rem; font-weight: 800; color: var(--line); line-height: 1; margin-bottom: 12px; letter-spacing: -.04em;
}
.process-item h4 { font-size: 1.02rem; margin-bottom: 8px; }
.process-item p { font-size: .88rem; color: var(--text-soft); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--primary-dark), var(--ink)); color: #fff; padding: 72px 0; text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255, 255, 255, .74); max-width: 620px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field label .req { color: var(--err); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: all var(--transition); font-size: .94rem;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(20, 80, 140, .1);
}
.field .hint { font-size: .78rem; color: var(--text-mute); margin-top: 6px; }
.field .err-text { font-size: .8rem; color: var(--err); margin-top: 6px; display: none; }
.field.has-err input, .field.has-err select { border-color: var(--err); }
.field.has-err .err-text { display: block; }

.phone-group { display: grid; grid-template-columns: 168px 1fr; gap: 10px; }
.code-group { display: grid; grid-template-columns: 1fr 148px; gap: 10px; }

.alert { padding: 13px 16px; border-radius: var(--radius); font-size: .88rem; margin-bottom: 18px; display: none; }
.alert.show { display: block; }
.alert-err { background: #fdeeec; color: #a5322a; border: 1px solid #f5cdc8; }
.alert-ok { background: #eaf7f0; color: #1a7745; border: 1px solid #c6ebd6; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #cfe0f2; }

/* ---------- Auth page ---------- */
.auth-wrap { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - var(--header-h) - 38px); }
.auth-side {
  background: linear-gradient(150deg, #0d2740, #0a1a2b); color: #fff; padding: 72px 56px;
  display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden;
}
.auth-side::after {
  content: ''; position: absolute; inset: 0; opacity: .3;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.auth-side > * { position: relative; z-index: 2; }
.auth-side h2 { color: #fff; margin-bottom: 16px; }
.auth-side p { color: rgba(255, 255, 255, .7); margin-bottom: 32px; }
.auth-main { padding: 62px 56px; display: flex; align-items: center; justify-content: center; }
.auth-box { width: 100%; max-width: 460px; }
.auth-tabs { display: flex; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.auth-tabs button {
  padding: 13px 4px; margin-right: 32px; font-size: 1rem; font-weight: 600; color: var(--text-mute);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.auth-tabs button.on { color: var(--ink); border-bottom-color: var(--accent); }

.notice-cn {
  display: flex; gap: 11px; padding: 13px 15px; background: #fff8ec; border: 1px solid #f5e0b8;
  border-radius: var(--radius); font-size: .82rem; color: #8a6212; margin-bottom: 22px;
}
.notice-cn svg { width: 17px; height: 17px; flex: none; margin-top: 2px; }

/* ---------- Catalog / download ---------- */
.dl-card {
  display: flex; gap: 22px; align-items: center; padding: 26px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-lg); transition: all var(--transition);
}
.dl-card:hover { box-shadow: var(--shadow); border-color: #cbd8e6; }
.dl-icon {
  width: 62px; height: 74px; flex: none; border-radius: var(--radius); background: linear-gradient(160deg, #e8f0f9, #d5e4f2);
  display: grid; place-items: center; color: var(--primary); position: relative;
}
.dl-icon svg { width: 30px; height: 30px; }
.dl-icon .ext {
  position: absolute; bottom: 7px; left: 50%; transform: translateX(-50%); font-size: .58rem;
  font-weight: 800; letter-spacing: .06em; color: var(--primary-dark);
}
.dl-info { flex: 1; min-width: 0; }
.dl-info h3 { font-size: 1.05rem; margin-bottom: 5px; }
.dl-info p { font-size: .88rem; color: var(--text-soft); margin-bottom: 8px; }
.dl-tags { display: flex; gap: 14px; font-size: .78rem; color: var(--text-mute); flex-wrap: wrap; }
.dl-tags span { display: inline-flex; align-items: center; gap: 5px; }
.locked-note {
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: var(--radius-lg);
  padding: 44px 32px; text-align: center;
}
.locked-note .lk { width: 54px; height: 54px; margin: 0 auto 18px; color: var(--primary); }
.locked-note h3 { margin-bottom: 10px; }
.locked-note p { color: var(--text-soft); max-width: 480px; margin: 0 auto 24px; font-size: .94rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 46px; align-items: start; }
.contact-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line-soft); }
.contact-item:last-child { border-bottom: none; }
.contact-item .ci {
  width: 42px; height: 42px; border-radius: var(--radius); background: var(--primary-light); color: var(--primary);
  display: grid; place-items: center; flex: none;
}
.contact-item .ci svg { width: 19px; height: 19px; }
.contact-item b { display: block; font-size: .82rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 3px; }
.contact-item span, .contact-item a { font-size: .96rem; color: var(--ink); font-weight: 500; }
.contact-item a:hover { color: var(--primary); }

.map-box {
  height: 320px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(150deg, #eef3f8, #dfe8f2); display: grid; place-items: center; color: var(--text-mute);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .62); padding: 72px 0 0; font-size: .9rem; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 46px; padding-bottom: 52px; }
.footer-brand .logo-mark { background: linear-gradient(135deg, #2a6ba8, #14508c); }
.footer-brand .logo-text b { color: #fff; }
.footer-brand .logo-text small { color: rgba(255, 255, 255, .42); }
.footer-brand p { margin: 20px 0; max-width: 330px; line-height: 1.75; }
.footer h5 { color: #fff; font-size: .84rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 20px; font-weight: 700; }
.footer-links li { margin-bottom: 11px; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 11px; margin-bottom: 14px; align-items: flex-start; }
.footer-contact svg { width: 15px; height: 15px; flex: none; margin-top: 4px; opacity: .6; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 24px 0; display: flex;
  justify-content: space-between; align-items: center; font-size: .82rem; flex-wrap: wrap; gap: 12px;
}
.social { display: flex; gap: 10px; }
.social a {
  width: 34px; height: 34px; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, .14);
  display: grid; place-items: center; transition: var(--transition);
}
.social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.social svg { width: 15px; height: 15px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(140deg, #0d2740, #0a1a2b); color: #fff; padding: 74px 0 66px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0; opacity: .28;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 80% at 70% 30%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 70% 30%, #000, transparent 75%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255, 255, 255, .72); max-width: 620px; }
.crumb { font-size: .82rem; color: rgba(255, 255, 255, .5); margin-bottom: 16px; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; opacity: .5; }

/* ---------- Misc ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-mute); }
.empty-state svg { width: 52px; height: 52px; margin: 0 auto 16px; opacity: .4; }
.spinner {
  width: 16px; height: 16px; border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.toast-wrap { position: fixed; top: 22px; right: 22px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--ink); color: #fff; padding: 13px 20px; border-radius: var(--radius); font-size: .89rem;
  box-shadow: var(--shadow-lg); animation: slideIn .3s ease; max-width: 340px;
}
.toast.ok { background: #1a7745; }
.toast.err { background: #b93b30; }
@keyframes slideIn { from { opacity: 0; transform: translateX(24px); } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { display: none; }
}
@media (max-width: 860px) {
  .topbar-info span:nth-child(n+3) { display: none; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed; top: calc(var(--header-h) + 38px); left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 12px 20px 22px; border-bottom: 1px solid var(--line); gap: 0;
    box-shadow: var(--shadow); transform: translateY(-130%); transition: transform var(--transition); z-index: 890;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu > li > a { padding: 14px 4px; border-bottom: 1px solid var(--line-soft); border-radius: 0; }
  .nav-menu > li > a::after { display: none; }
  .grid-3, .grid-2, .split { grid-template-columns: 1fr; }
  .split { gap: 34px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero { padding: 68px 0 74px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .section { padding: 62px 0; }
  .auth-main { padding: 40px 22px; }
  .form-card { padding: 24px; }
  .dl-card { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .grid-4, .process { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .phone-group { grid-template-columns: 1fr; }
  .code-group { grid-template-columns: 1fr; }
  .hero-brands { grid-template-columns: 1fr; }
}