/* ================================================================
   四川洋代国际贸易有限公司 — 全站样式（浅色商务风）
   品牌色只用一个蓝；深藏青只用于页脚和重点区块
   ================================================================ */

:root {
  --brand-50:  #eef4ff;
  --brand-100: #dce7fe;
  --brand-200: #bcd0fd;
  --brand-500: #2960eb;
  --brand-600: #1a4fd6;
  --brand-700: #1740b0;

  --ink:    #0f172a;   /* 标题 */
  --body:   #475569;   /* 正文 */
  --muted:  #64748b;   /* 辅助文字 */
  --line:   #e2e8f0;   /* 边框 */
  --soft:   #f5f7fb;   /* 交替区块背景 */
  --navy:   #0b1733;   /* 深色区块 */
  --navy-2: #13244a;

  --ok: #059669;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow:    0 10px 30px -12px rgba(15, 23, 42, 0.18);
  --shadow-lg: 0 30px 60px -20px rgba(23, 64, 176, 0.28);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ── Base ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: #fff;
  color: var(--body);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
::selection { background: var(--brand-100); color: var(--ink); }
:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 3px; border-radius: 6px; }

.container-x { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 1024px) { .container-x { padding: 0 32px; } }

.section     { padding: 88px 0; }
.section-alt { background: var(--soft); }
@media (max-width: 767px) { .section { padding: 64px 0; } }

/* ── Typography ─────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-600);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-500);
}
.h-section {
  color: var(--ink);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.lead { color: var(--body); font-size: 16px; line-height: 1.8; max-width: 640px; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .lead { margin: 0 auto; }
.section-head .eyebrow::before { display: none; }
.text-brand { color: var(--brand-600); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.btn-lg { height: 52px; padding: 0 28px; font-size: 16px; border-radius: 12px; }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; border-radius: 8px; }
.btn-primary { background: var(--brand-600); color: #fff; box-shadow: 0 6px 16px -6px rgba(26, 79, 214, 0.6); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand-500); color: var(--brand-600); }
.btn-white { background: #fff; color: var(--brand-700); }
.btn-white:hover { background: var(--brand-50); }
.btn-outline-white { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.btn-outline-white:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }
.link-arrow { color: var(--brand-600); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }
.link-arrow i { font-size: 12px; transition: transform 0.2s; }
.link-arrow:hover i { transform: translateX(3px); }

/* ── Navbar ─────────────────────────────────────────────────── */
#navbar {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
#navbar.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav-bar { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 40px; height: 40px; object-fit: contain; border-radius: 10px; }
.brand-name { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name b { color: var(--ink); font-size: 16px; font-weight: 800; letter-spacing: 0.02em; }
.brand-name span { color: var(--muted); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; }
.nav-link {
  position: relative;
  color: var(--body);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  transition: color 0.2s;
}
.nav-link:hover, .nav-link[aria-current] { color: var(--brand-600); }
.nav-link[aria-current]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-600);
}
.nav-tel { color: var(--ink); font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.nav-tel i { color: var(--brand-600); }
#mobileMenuBtn { color: var(--ink); }
#mobileMenu { background: #fff; border-top: 1px solid var(--line); box-shadow: var(--shadow); }
.mobile-nav-link { display: block; color: var(--ink); font-size: 16px; font-weight: 500; padding: 4px 0; }
.mobile-nav-link:hover, .mobile-nav-link[aria-current] { color: var(--brand-600); }
.mobile-nav-link[aria-current] { font-weight: 700; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 136px 0 72px;
  background:
    radial-gradient(900px 480px at 85% 10%, rgba(41, 96, 235, 0.12), transparent 70%),
    radial-gradient(700px 400px at 0% 0%, rgba(56, 189, 248, 0.10), transparent 70%),
    linear-gradient(180deg, #f3f7ff 0%, #fff 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--brand-100);
  color: var(--brand-700);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15); }
.hero-title {
  color: var(--ink);
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title em { font-style: normal; color: var(--brand-600); white-space: nowrap; }
.hero-sub { font-size: 17px; line-height: 1.85; color: var(--body); max-width: 560px; margin-bottom: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; }
.hero-points li { display: flex; align-items: center; gap: 8px; color: var(--body); font-size: 14px; }
.hero-points i { color: var(--ok); }

/* 入场动画 */
.fade-up { opacity: 0; transform: translateY(18px); animation: fadeUp 0.7s ease forwards; }
.fade-up.d1 { animation-delay: 0.08s; }
.fade-up.d2 { animation-delay: 0.16s; }
.fade-up.d3 { animation-delay: 0.24s; }
.fade-up.d4 { animation-delay: 0.32s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

/* ── Stats ──────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 768px) { .stats.stats-six { grid-template-columns: repeat(3, 1fr); } }
.stats.stats-six .stat:nth-child(3n) { border-right: none; }
.stats.stats-six .stat:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
@media (max-width: 767px) {
  .stats.stats-six .stat:nth-child(3n) { border-right: 1px solid var(--line); }
  .stats.stats-six .stat:nth-child(2n) { border-right: none; }
  .stats.stats-six .stat:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .stats.stats-six .stat:nth-child(n+5) { border-bottom: none; }
}
.stat { padding: 22px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 768px) { .stat { border-bottom: none; } .stat:last-child { border-right: none; } }
@media (max-width: 767px) { .stat:nth-child(2n) { border-right: none; } .stat:nth-child(n+3) { border-bottom: none; } }
.stat b { display: block; color: var(--ink); font-size: 30px; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.stat b small { font-size: 16px; color: var(--brand-600); font-weight: 700; margin-left: 2px; }
.stat span { display: block; color: var(--muted); font-size: 13.5px; margin-top: 6px; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.card-hover:hover { border-color: var(--brand-200); box-shadow: var(--shadow); transform: translateY(-3px); }
.card h3 { color: var(--ink); font-size: 18px; font-weight: 700; line-height: 1.4; }
.card p  { color: var(--body); font-size: 14.5px; line-height: 1.8; }
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--brand-50);
  color: var(--brand-600);
  flex-shrink: 0;
}
.check-list li {
  position: relative;
  padding: 5px 0 5px 26px;
  color: var(--body);
  font-size: 14.5px;
  line-height: 1.7;
}
.check-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 7px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand-600);
  font-size: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--body);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 11px;
}
.tag-brand { background: var(--brand-50); border-color: var(--brand-100); color: var(--brand-700); }
.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
}
.pill-ok { background: #ecfdf5; color: var(--ok); }

/* ── Business lines ─────────────────────────────────────────── */
.biz-card { display: flex; flex-direction: column; height: 100%; }
.biz-card .check-list { flex: 1; margin: 16px 0 22px; }
.biz-card-feature {
  background: linear-gradient(160deg, var(--brand-600) 0%, #1e3a8a 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.biz-card-feature h3, .biz-card-feature p { color: #fff; }
.biz-card-feature p { opacity: 0.85; }
.biz-card-feature .icon-box { background: rgba(255, 255, 255, 0.14); color: #fff; }
.biz-card-feature .check-list li { color: rgba(255, 255, 255, 0.9); }
.biz-card-feature .check-list li::before { background: rgba(255, 255, 255, 0.18); color: #fff; }
.biz-card-feature .link-arrow { color: #fff; }
.biz-flag {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-700);
  background: #fff;
  padding: 3px 10px;
  border-radius: 999px;
}

/* ── App cards (Maetown / 悠淘) ─────────────────────────────── */
.app-card { display: flex; flex-direction: column; height: 100%; }
.app-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.app-head img { width: 60px; height: 60px; border-radius: 14px; object-fit: contain; box-shadow: var(--shadow-sm); }
.app-head h3 { font-size: 22px; font-weight: 800; }
.app-logic {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 14px;
}
.app-logic-rmb { background: #eef4ff; color: var(--brand-700); }
.app-logic-jpy { background: #f3f0ff; color: #5b3fc4; }
.app-card .check-list { flex: 1; margin: 12px 0 20px; }
.app-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 18px; border-top: 1px solid var(--line); }
.app-card-violet .check-list li::before { background: #f3f0ff; color: #6d4ce0; }
.app-card-violet .link-arrow { color: #6d4ce0; }

/* ── Platforms ──────────────────────────────────────────────── */
.plat-main { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px)  { .plat-main { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .plat-main { grid-template-columns: repeat(5, 1fr); } }
.plat-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px;
  text-align: center;
}
.plat-tile i { color: var(--brand-600); font-size: 20px; margin-bottom: 8px; display: block; }
.plat-tile b { display: block; color: var(--ink); font-size: 15px; }
.plat-tile span { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.coverage-levels { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin-bottom:24px; }
@media (min-width:1024px) { .coverage-levels { grid-template-columns:repeat(4,minmax(0,1fr)); } }
.coverage-level {
  display:grid; grid-template-columns:auto 1fr; gap:14px; align-items:center;
  padding:18px; border:1px solid var(--line); border-radius:14px; background:#fff;
}
.coverage-level-number {
  display:grid; place-items:center; min-width:58px; height:58px; padding:0 8px;
  border-radius:14px; background:var(--brand-50); color:var(--brand-700);
  font-size:21px; font-weight:800; letter-spacing:-0.03em;
}
.coverage-level.highlight { border-color:#bcd0fd; background:linear-gradient(135deg,#f6f9ff,#fff); box-shadow:0 12px 30px -24px rgba(26,79,214,.8); }
.coverage-level.highlight .coverage-level-number { background:var(--brand-600); color:#fff; }
.coverage-level strong { display:block; color:var(--ink); font-size:14px; }
.coverage-level span { display:block; margin-top:4px; color:var(--muted); font-size:12px; line-height:1.5; }
.catalog-callout {
  display:grid; grid-template-columns:220px 1fr; gap:28px; align-items:center;
  margin-top:24px; padding:26px; border:1px solid #bfd1ff; border-radius:18px;
  background:linear-gradient(135deg,#eef4ff 0%,#fff 62%);
}
.catalog-number { color:var(--brand-700); font-size:50px; font-weight:850; line-height:1; letter-spacing:-.05em; }
.catalog-number small { margin-left:4px; font-size:17px; letter-spacing:0; }
.catalog-copy h3 { margin-top:9px; color:var(--ink); font-size:18px; font-weight:800; }
.catalog-copy p { margin-top:7px; color:var(--muted); font-size:13px; line-height:1.7; }
.catalog-samples { display:grid; grid-template-columns:repeat(8,minmax(0,1fr)); gap:9px; }
.catalog-sample { min-width:0; padding:8px 4px; border:1px solid var(--line); border-radius:11px; background:#fff; text-align:center; }
.catalog-sample img { width:34px; height:34px; margin:0 auto 5px; border-radius:8px; object-fit:contain; }
.catalog-sample span { display:block; overflow:hidden; color:var(--body); font-size:9px; text-overflow:ellipsis; white-space:nowrap; }
.catalog-more { display:inline-flex; align-items:center; gap:7px; margin-top:14px; color:var(--brand-700); font-size:13px; font-weight:700; }
@media (max-width:900px) {
  .catalog-callout { grid-template-columns:1fr; }
  .catalog-samples { grid-template-columns:repeat(6,minmax(0,1fr)); }
}
@media (max-width:639px) {
  .coverage-levels { grid-template-columns:1fr; }
  .catalog-callout { padding:20px 16px; }
  .catalog-samples { grid-template-columns:repeat(4,minmax(0,1fr)); }
}

/* ── Dark band ──────────────────────────────────────────────── */
.band-dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 360px at 90% 0%, rgba(41, 96, 235, 0.35), transparent 70%),
    radial-gradient(600px 300px at 0% 100%, rgba(56, 189, 248, 0.14), transparent 70%),
    var(--navy);
  color: #cbd5e1;
}
.band-dark .h-section { color: #fff; }
.band-dark .lead { color: #aebbd0; }
.band-dark .eyebrow { color: #8fb1ff; }
.band-dark .eyebrow::before { background: #8fb1ff; }
.band-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 20px;
}
.band-card i { color: #8fb1ff; font-size: 18px; margin-bottom: 10px; display: block; }
.band-card b { display: block; color: #fff; font-size: 15px; margin-bottom: 4px; }
.band-card p { color: #aebbd0; font-size: 13.5px; line-height: 1.7; }
.quote-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 3px solid #8fb1ff;
  border-radius: 12px;
  padding: 18px 20px;
}
.quote-card b { color: #fff; font-size: 15px; }
.quote-card span { display: block; color: #8fa0bb; font-size: 12.5px; margin-top: 2px; }
.quote-card p { color: #cbd5e1; font-size: 14px; line-height: 1.75; margin-top: 10px; }

/* ── About / timeline ───────────────────────────────────────── */
.loc-card { display: flex; align-items: flex-start; gap: 14px; padding: 18px 20px; }
.loc-card b { display: block; color: var(--ink); font-size: 15px; }
.loc-card span { display: block; color: var(--muted); font-size: 13.5px; line-height: 1.6; margin-top: 2px; }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 22px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand-500);
}
.tl-item.is-now::before { background: var(--brand-500); box-shadow: 0 0 0 4px var(--brand-100); }
.tl-year { color: var(--brand-600); font-weight: 800; font-size: 14px; }
.tl-item b { display: block; color: var(--ink); font-size: 15.5px; margin: 2px 0 2px; }
.tl-item p { color: var(--body); font-size: 14px; line-height: 1.7; }

/* ── License ────────────────────────────────────────────────── */
.license-img {
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 10px;
}
.info-card { padding: 20px; }
.info-card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.info-card b { display: block; color: var(--ink); font-size: 16px; }
.info-card p { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ── Contact ────────────────────────────────────────────────── */
.contact-card { display: flex; align-items: center; gap: 16px; padding: 20px 22px; min-width: 0; }
.contact-card div { min-width: 0; }
.contact-card span { display: block; color: var(--muted); font-size: 13px; }
.contact-card b { display: block; color: var(--ink); font-size: 16px; overflow-wrap: anywhere; }
a.contact-card:hover b { color: var(--brand-600); }
.qr-card { display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:20px; }
.qr-card img { width:min(100%, 230px); max-height:296px; object-fit:contain; border-radius:12px; border:1px solid var(--line); background:#fff; }
.qr-card b { display:block; color:var(--ink); font-size:17px; margin-top:14px; }
.qr-card p { color:var(--muted); font-size:13px; line-height:1.7; margin-top:5px; }
.cta-panel {
  background: linear-gradient(135deg, var(--brand-600) 0%, #1e3a8a 100%);
  border-radius: 20px;
  padding: 36px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-panel h3 { color: #fff; font-size: 24px; font-weight: 800; line-height: 1.35; }
.cta-panel p { color: rgba(255, 255, 255, 0.82); font-size: 15px; line-height: 1.8; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer { background: var(--navy); color: #8fa0bb; padding: 56px 0 28px; }
.site-footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-link { color: #8fa0bb; font-size: 14px; line-height: 2.1; transition: color 0.2s; }
.footer-link:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); margin-top: 40px; padding-top: 22px; font-size: 13px; }
.footer-bottom a { color: #8fa0bb; }
.footer-bottom a:hover { color: #fff; }

/* ── Mobile consult bar ─────────────────────────────────────── */
.m-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr 1fr 1.6fr;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.06);
}
.m-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--soft);
}
.m-cta a i { color: var(--brand-600); }
.m-cta a.m-cta-main { background: var(--brand-600); color: #fff; }
.m-cta a.m-cta-main i { color: #fff; }
@media (min-width: 768px) { .m-cta { display: none; } }
@media (max-width: 767px) { body.has-m-cta { padding-bottom: calc(64px + env(safe-area-inset-bottom)); } }

/* ── Scroll reveal ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
[data-delay="100"] { transition-delay: 0.08s; }
[data-delay="200"] { transition-delay: 0.16s; }
[data-delay="300"] { transition-delay: 0.24s; }
[data-delay="400"] { transition-delay: 0.32s; }
[data-delay="500"] { transition-delay: 0.4s; }
@media (scripting: none) { .reveal { opacity: 1 !important; transform: none !important; } }
.reveal-fallback { opacity: 1 !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-up { opacity: 1; transform: none; }
}

/* ── 真实界面截图（首页与系统页共用） ───────────────────────── */
.shot-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: #f1f5f9; border-bottom: 1px solid var(--line); }
.shot-dot { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; }
.shot-dot:nth-child(1) { background: #fca5a5; }
.shot-dot:nth-child(2) { background: #fcd34d; }
.shot-dot:nth-child(3) { background: #86efac; }
.shot-url { margin-left: 10px; font-size: 11.5px; color: var(--muted); background: #fff; border: 1px solid var(--line); padding: 1px 12px; border-radius: 999px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.shot-browser { margin: 0; border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-lg); }
.shot-browser img, .shot-card img { display: block; width: 100%; height: auto; }
.shot-phone {
  display: block;
  margin: 0;
  border-radius: 30px;
  padding: 7px;
  background: #0f172a;
  box-shadow: 0 24px 50px -18px rgba(15, 23, 42, 0.55);
}
.shot-phone img { display: block; width: 100%; height: auto; border-radius: 24px; }

/* 首屏：后台窗口 + 悬浮手机 */
.shot-stage { position: relative; padding: 0 0 40px 0; margin-right: 56px; }
.shot-phone-float { position: absolute; right: -56px; bottom: 0; width: 30%; max-width: 190px; }
.shot-stage-note { margin-top: 8px; font-size: 13px; }
.shot-stage-note a { color: var(--muted); }
.shot-stage-note a:hover { color: var(--brand-600); }
.shot-stage-note i { font-size: 11px; margin-left: 2px; }
@media (max-width: 640px) {
  .shot-stage { margin-right: 36px; }
  .shot-phone-float { right: -36px; width: 34%; border-radius: 20px; padding: 4px; }
  .shot-phone-float img { border-radius: 16px; }
}

/* 截图墙 */
.shot-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 768px) { .shot-grid { grid-template-columns: repeat(2, 1fr); } }
.shot-card {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.shot-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--brand-200); }
.shot-grid > .shot-card:first-child:nth-last-child(odd) { grid-column: 1 / -1; }
.shot-cap { display: block; padding: 14px 18px 16px; font-size: 13.5px; color: var(--muted); line-height: 1.6; border-top: 1px solid var(--line); }
.shot-cap b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 2px; }
.shot-phones { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
@media (min-width: 768px)  { .shot-phones { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .shot-phones { grid-template-columns: repeat(6, 1fr); } }
.shot-phone-card { display: flex; flex-direction: column; gap: 12px; }
.shot-phone-card .shot-phone { transition: transform 0.25s; }
.shot-phone-card:hover .shot-phone { transform: translateY(-4px); }
.shot-phone-card .shot-cap { padding: 0 4px; border: none; text-align: center; font-size: 12.5px; }
.shot-phone-card .shot-cap b { font-size: 14px; }
.shot-note { display: flex; justify-content: center; gap: 6px; color: var(--muted); font-size: 13px; margin-top: 22px; text-align: center; }
.shot-note i { color: var(--brand-600); margin-top: 3px; }

/* ── 平台真实图标 ───────────────────────────────────────────── */
.plat-logo { display: block; width: 48px; height: 48px; margin: 0 auto 10px; border-radius: 12px; object-fit: contain; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.tag-logo { width: 18px; height: 18px; border-radius: 4px; object-fit: contain; flex-shrink: 0; }

/* ── 通贩代下站点图标墙 ─────────────────────────────────────── */
.site-wall-head { margin-bottom: 18px; }
.site-wall-title { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 16px; font-weight: 700; }
.site-wall-desc { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 6px; }
.site-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (min-width: 640px)  { .site-grid { grid-template-columns: repeat(6, 1fr); } }
@media (min-width: 1024px) { .site-grid { grid-template-columns: repeat(10, 1fr); } }
.site-item { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px 4px; border-radius: 10px; transition: background 0.2s; }
.site-item:hover { background: var(--soft); }
.site-item img { width: 48px; height: 48px; border-radius: 12px; object-fit: contain; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.site-item span { font-size: 11.5px; color: var(--body); text-align: center; line-height: 1.3; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 639px) {
  .site-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  .site-item { padding: 6px 2px; gap: 4px; min-width: 0; }
  .site-item img { width: 40px; height: 40px; border-radius: 10px; }
  .site-item span { font-size: 10px; }
}

/* ── 采购商城配置站点目录（系统页） ─────────────────────────── */
.site-dir-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.site-dir-search { display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; min-width: 240px; }
.site-dir-search i { color: var(--muted); font-size: 13px; }
.site-dir-search input { border: none; outline: none; font-size: 14px; width: 100%; background: transparent; color: var(--ink); }
.site-dir-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 12px; }
@media (min-width: 640px)  { .site-dir-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .site-dir-list { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.site-dir-list li { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 6px 8px; border-radius: 8px; font-size: 13px; color: var(--body); }
.site-dir-list li:hover { background: var(--soft); }
.site-dir-list li > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-dir-list img, .site-dir-ph { width: 20px; height: 20px; border-radius: 5px; object-fit: contain; flex-shrink: 0; }
.site-dir-ph { display: inline-flex; align-items: center; justify-content: center; background: var(--brand-50); color: var(--brand-700); font-size: 11px; font-weight: 700; }
.site-dir-list.is-collapsed li:nth-child(n+31) { display: none; }
.site-dir-list li.is-hidden { display: none !important; }
.site-dir-empty { color: var(--muted); font-size: 14px; text-align: center; padding: 12px 0; }
@media (max-width: 639px) { .site-dir-search { min-width: 0; width: 100%; } .site-dir-list.is-collapsed li:nth-child(n+21) { display: none; } }

/* Responsive navigation and progressive disclosure */
.nav-bar .brand, .nav-link, .nav-tel { white-space: nowrap; flex-shrink: 0; }
@media (min-width:1280px) { .nav-bar { gap:16px; } .nav-bar > ul { gap:20px; } }
#mobileMenu { max-height:calc(100dvh - 68px); overflow-y:auto; }
#home-sites.is-collapsed li:nth-child(n+13) { display:none; }
.site-wall-toggle { display:flex; margin:20px auto 0; }
.site-wall-toggle[hidden] { display:none; }
.platform-links { display:flex; flex-wrap:wrap; gap:12px 24px; margin-top:16px; color:#fff; font-weight:600; }
.platform-links a:hover { text-decoration:underline; }
.platform-detail { margin-top:18px; }
.contact-card > div:last-child { min-width:0; overflow-wrap:anywhere; }
.consult-guide { margin-top:24px; border-top:1px solid #ffffff40; padding-top:20px; }
.consult-guide h3 { color:#fff; font-weight:700; }
.consult-guide ol { list-style:decimal; padding-left:20px; margin:12px 0 20px; color:#fff; font-size:14px; }
.consult-guide li + li { margin-top:8px; }
.consult-guide label { display:block; color:#fff; margin-bottom:8px; font-size:14px; }
.consult-guide textarea { display:block; width:100%; resize:vertical; background:#fff; color:var(--ink); border-radius:10px; padding:12px; line-height:1.8; font-size:14px; margin-bottom:12px; }
#copy-status { font-size:13px; color:#fff; margin-top:8px; }
.shot-dialog { width:min(1200px,96vw); max-width:96vw; max-height:94dvh; padding:16px; border:0; border-radius:16px; background:#fff; color:var(--ink); }
.shot-dialog::backdrop { background:rgba(5,12,28,.85); }
.shot-dialog-bar { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:12px; }
.shot-dialog-image { display:block; max-width:100%; max-height:70dvh; width:auto; height:auto; margin:0 auto; object-fit:contain; }
.shot-dialog-actions { display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:12px; margin-top:12px; }
.shot-dialog button { min-width:44px; min-height:44px; }
body.shot-dialog-open { overflow:hidden; }