/* ============================================================
   Red Auto Glass — 红色主题全站样式
   ============================================================ */
:root {
  --red: #C8102E;
  --red-dark: #8E0B20;
  --red-deep: #5C0715;
  --red-light: #FF4D6A;
  --red-pale: #FFF0F2;
  --red-bg: #FFF7F8;
  --gold: #F5B301;
  --ink: #23191B;
  --muted: #6E5A5E;
  --line: #F0D8DC;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(200, 16, 46, .12);
  --radius: 16px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--red-deep);
  color: #FFD9DE;
  font-size: 13.5px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar .tb-right { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 主导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--red-pale);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 24px; letter-spacing: -1px;
  box-shadow: 0 6px 16px rgba(200,16,46,.35);
  position: relative; overflow: hidden;
}
.logo-mark::after {
  content: ""; position: absolute; left: 8px; top: 6px; width: 22px; height: 12px;
  background: rgba(255,255,255,.35); border-radius: 50%; transform: rotate(-18deg);
}
.logo-text { line-height: 1.2; }
.logo-text .en { font-size: 19px; font-weight: 900; color: var(--red); letter-spacing: .5px; }
.logo-text .cn { font-size: 12.5px; color: var(--muted); font-weight: 600; letter-spacing: 2px; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-weight: 600; font-size: 15.5px;
  color: var(--ink); transition: all .2s;
}
.nav-links a:hover { color: var(--red); background: var(--red-pale); }
.nav-links a.active { color: #fff; background: var(--red); }
.nav-phone {
  display: flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff; font-weight: 800; font-size: 17px;
  padding: 11px 20px; border-radius: 999px;
  box-shadow: 0 8px 20px rgba(200,16,46,.35);
  white-space: nowrap; transition: transform .2s;
}
.nav-phone:hover { transform: translateY(-2px); }
.nav-phone .pulse {
  width: 9px; height: 9px; border-radius: 50%; background: #7CFF9B;
  animation: pulse 1.6s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: .4; transform: scale(.7);} }
.hamburger { display: none; background: none; border: none; font-size: 26px; color: var(--red); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(255,77,106,.35), transparent 60%),
    radial-gradient(900px 480px at -10% 110%, rgba(245,179,1,.14), transparent 55%),
    linear-gradient(150deg, #3D030C 0%, #6B0818 45%, #A50D26 100%);
  color: #fff;
  overflow: hidden;
  padding: 86px 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  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: 46px 46px;
  mask-image: radial-gradient(closest-side at 50% 40%, #000 30%, transparent 100%);
}
.hero-shine {
  position: absolute; right: -140px; top: -60px; width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,.16), rgba(255,255,255,.03) 55%, transparent 70%);
  border: 1px solid rgba(255,255,255,.12);
}
.hero-shine::after {
  content: ""; position: absolute; left: 14%; top: 10%; width: 34%; height: 18%;
  background: rgba(255,255,255,.35); border-radius: 50%; transform: rotate(-24deg); filter: blur(6px);
}
.hero .container { position: relative; z-index: 2; max-width: 900px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.28);
  padding: 8px 18px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  margin-bottom: 26px; backdrop-filter: blur(4px);
}
.hero-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); animation: pulse 1.6s infinite; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.25; font-weight: 900; letter-spacing: 1px; }
.hero h1 .hl { color: #FFD166; position: relative; white-space: nowrap; }
.hero h1 .hl::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
  background: rgba(245,179,1,.28); z-index: -1; border-radius: 4px;
}
.hero .lead { margin-top: 22px; font-size: clamp(16px, 2vw, 19px); color: #FFE1E6; max-width: 760px; }
.hero-btns { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 15px 30px; border-radius: 12px; font-weight: 800; font-size: 16.5px;
  transition: all .2s; cursor: pointer; border: none; font-family: var(--font);
}
.btn-gold { background: linear-gradient(135deg, #FFD166, var(--gold)); color: #4A2E00; box-shadow: 0 10px 26px rgba(245,179,1,.35); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(245,179,1,.45); }
.btn-white { background: #fff; color: var(--red); box-shadow: 0 10px 26px rgba(0,0,0,.22); }
.btn-white:hover { transform: translateY(-3px); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-red { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff; box-shadow: 0 10px 26px rgba(200,16,46,.32); }
.btn-red:hover { transform: translateY(-3px); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: 52px;
}
.hstat {
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius); padding: 18px 16px; text-align: center; backdrop-filter: blur(4px);
}
.hstat .n { font-size: 26px; font-weight: 900; color: #FFD166; line-height: 1.2; }
.hstat .l { font-size: 13.5px; color: #FFD9DE; margin-top: 4px; font-weight: 600; }

/* ---------- 通用区块 ---------- */
.section { padding: 78px 0; }
.section-alt { background: var(--red-bg); }
.section-dark {
  background: linear-gradient(150deg, #2B020A 0%, #56071 45%, #7A0C1D 100%);
  background: linear-gradient(150deg, #2B020A 0%, #560716 50%, #7A0C1D 100%);
  color: #fff;
}
.section-label {
  display: inline-block; color: var(--red); font-weight: 800; font-size: 14px;
  letter-spacing: 3px; margin-bottom: 12px;
  padding: 5px 14px; background: var(--red-pale); border-radius: 999px;
}
.section-dark .section-label { color: #FFD166; background: rgba(255,255,255,.1); }
h2.section-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; line-height: 1.3; }
.section .lead { color: var(--muted); font-size: 17px; margin-top: 12px; max-width: 780px; }
.section-dark .lead { color: #FFD9DE; }
.section-head { margin-bottom: 44px; }

/* ---------- 快速总结卡片 ---------- */
.summary-card {
  background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--red);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px 38px;
}
.summary-card h3 { font-size: 22px; font-weight: 900; color: var(--red-dark); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.summary-card li {
  position: relative; padding-left: 30px; margin-bottom: 13px; font-size: 16px;
}
.summary-card li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 21px; height: 21px; border-radius: 50%;
  background: var(--red-pale); color: var(--red); font-weight: 900; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.summary-card strong { color: var(--red-dark); }

/* ---------- 服务卡片 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px; transition: all .25s; position: relative; overflow: hidden;
  display: block;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(200,16,46,.16); border-color: #F3B9C2; }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: linear-gradient(135deg, var(--red-pale), #FFE0E5);
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  margin-bottom: 18px;
}
.card h3 { font-size: 20.5px; font-weight: 900; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card .more { display: inline-block; margin-top: 16px; color: var(--red); font-weight: 800; font-size: 15px; }

/* ---------- 品牌墙 ---------- */
.makes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.make-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 16px; font-weight: 700; font-size: 15px;
  display: flex; justify-content: space-between; align-items: center;
  transition: all .2s;
}
.make-card span { color: var(--red); transition: transform .2s; }
.make-card:hover { border-color: var(--red); color: var(--red); box-shadow: 0 8px 20px rgba(200,16,46,.12); }
.make-card:hover span { transform: translateX(4px); }
.make-card.featured { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff; border: none; }
.make-card.featured span { color: #FFD166; }
.note-strip {
  margin-top: 26px; background: var(--red-pale); border: 1px dashed #F0A5B2;
  border-radius: 12px; padding: 16px 22px; font-size: 15px; color: var(--red-dark);
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
}
.note-strip a { font-weight: 900; color: var(--red); white-space: nowrap; }

/* ---------- 专家卡片（深色区） ---------- */
.specialist-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 36px 34px; backdrop-filter: blur(4px);
}
.specialist-badge {
  width: 62px; height: 62px; border-radius: 16px; font-weight: 900; font-size: 24px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  background: linear-gradient(135deg, #FFD166, var(--gold)); color: #4A2E00;
  box-shadow: 0 10px 24px rgba(245,179,1,.3);
}
.specialist-card h3 { font-size: 22px; font-weight: 900; margin-bottom: 10px; }
.specialist-card > p { color: #FFD9DE; font-size: 15px; margin-bottom: 18px; }
.specialist-card li { padding: 9px 0 9px 30px; position: relative; border-bottom: 1px dashed rgba(255,255,255,.14); font-size: 15px; }
.specialist-card li:last-child { border-bottom: none; }
.specialist-card li::before { content: "◆"; position: absolute; left: 4px; color: var(--gold); font-size: 12px; top: 12px; }
.specialist-card .btn { margin-top: 22px; }
.tech-strip { margin-top: 46px; text-align: center; }
.tech-strip h3 { font-size: 21px; font-weight: 900; margin-bottom: 22px; color: #FFD166; }
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tech-item {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px; padding: 18px 12px; font-weight: 700; font-size: 15px;
}

/* ---------- 数字统计 ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; text-align: center; transition: all .25s;
}
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.stat-card .num {
  font-size: 34px; font-weight: 900; color: var(--red); line-height: 1.15;
}
.stat-card .lbl { font-weight: 800; font-size: 16px; margin: 6px 0 8px; }
.stat-card p { color: var(--muted); font-size: 14px; }

/* ---------- 评价 ---------- */
.reviews-summary { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
.gscore {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 28px; display: flex; align-items: center; gap: 18px; box-shadow: var(--shadow);
}
.gscore .big { font-size: 46px; font-weight: 900; color: var(--red); line-height: 1; }
.gscore .stars { color: var(--gold); font-size: 20px; letter-spacing: 3px; }
.gscore .src { color: var(--muted); font-size: 14px; font-weight: 600; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column; transition: all .25s;
}
.review-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.review-stars { color: var(--gold); font-size: 17px; letter-spacing: 2px; margin-bottom: 14px; }
.review-text { font-size: 15px; color: #4A3A3E; flex: 1; }
.review-author { margin-top: 18px; font-weight: 800; color: var(--red-dark); }
.review-date { font-size: 13px; color: var(--muted); }

/* ---------- 保险公司 ---------- */
.insurer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.insurer-card {
  background: #fff; border: 1px solid var(--line); border-radius: 11px;
  padding: 13px 16px; font-weight: 700; font-size: 14.5px; text-align: center;
  transition: all .2s; color: #4A3A3E;
}
.insurer-card:hover { border-color: var(--red); color: var(--red); background: var(--red-pale); }

/* ---------- 药丸标签 ---------- */
.pill-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 18px; font-size: 14.5px; font-weight: 600; transition: all .2s;
}
.pill:hover { border-color: var(--red); color: var(--red); background: var(--red-pale); }

/* ---------- 覆盖区域 ---------- */
.coverage-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.coverage-tab {
  border: 1.5px solid var(--line); background: #fff; border-radius: 999px;
  padding: 10px 20px; font-weight: 800; font-size: 15px; cursor: pointer;
  font-family: var(--font); transition: all .2s; color: var(--ink);
}
.coverage-tab:hover { border-color: var(--red); color: var(--red); }
.coverage-tab.active { background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(200,16,46,.28); }
.tab-pane { display: none; animation: fadeIn .3s; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: none;} }

/* ---------- FAQ ---------- */
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 14px; overflow: hidden; }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 20px 24px; font-size: 17px; font-weight: 800; text-align: left;
  font-family: var(--font); color: var(--ink); transition: color .2s;
}
.faq-q:hover { color: var(--red); }
.faq-icon {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--red-pale); color: var(--red); font-weight: 900; font-size: 19px;
  display: flex; align-items: center; justify-content: center; transition: transform .3s, background .3s, color .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--red); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 24px 22px; color: var(--muted); font-size: 15.5px; }
.faq-a a { color: var(--red); font-weight: 700; }

/* ---------- 联系我们 / 表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.contact-detail {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 20px 22px; margin-bottom: 16px; transition: all .2s;
}
.contact-detail:hover { border-color: #F3B9C2; box-shadow: var(--shadow); transform: translateY(-3px); }
.contact-detail .icon {
  flex: none; width: 48px; height: 48px; border-radius: 12px; font-size: 23px;
  background: linear-gradient(135deg, var(--red-pale), #FFE0E5);
  display: flex; align-items: center; justify-content: center;
}
.contact-detail .t { font-size: 13px; color: var(--muted); font-weight: 700; letter-spacing: 1px; }
.contact-detail .v { font-size: 16.5px; font-weight: 800; color: var(--ink); }
.contact-detail a.v { color: var(--red); }
.contact-detail .sub { font-size: 13.5px; color: var(--muted); font-weight: 400; margin-top: 2px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 34px; box-shadow: var(--shadow); }
.form-card h3 { font-size: 22px; font-weight: 900; margin-bottom: 6px; }
.form-card .sub { color: var(--muted); font-size: 14.5px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 700; font-size: 14.5px; margin-bottom: 7px; }
.form-group label .req { color: var(--red); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 15px; font-family: var(--font);
  transition: border-color .2s, box-shadow .2s; background: #FFFCFC;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(200,16,46,.1);
}
.radio-group { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill span {
  display: inline-block; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 9px 18px; font-size: 14.5px; font-weight: 600; cursor: pointer; transition: all .2s;
}
.radio-pill input:checked + span { background: var(--red); border-color: var(--red); color: #fff; box-shadow: 0 6px 16px rgba(200,16,46,.3); }
.form-note { font-size: 14px; color: var(--muted); margin-top: 14px; text-align: center; }
.form-note a { color: var(--red); font-weight: 800; }
.form-success {
  display: none; text-align: center; padding: 50px 20px;
}
.form-success .tick {
  width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff;
  font-size: 38px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(200,16,46,.35);
}
.form-success h4 { font-size: 22px; font-weight: 900; margin-bottom: 10px; }
.form-success p { color: var(--muted); }

/* ---------- 页面 Banner ---------- */
.page-hero {
  background:
    radial-gradient(900px 400px at 90% -20%, rgba(255,77,106,.3), transparent 60%),
    linear-gradient(150deg, #3D030C 0%, #6B0818 50%, #A50D26 100%);
  color: #fff; padding: 64px 0; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  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: 44px 44px;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 900; letter-spacing: 1px; }
.page-hero p { color: #FFD9DE; margin-top: 12px; max-width: 760px; font-size: 16.5px; }
.crumbs { font-size: 13.5px; color: #F5A9B4; margin-bottom: 14px; font-weight: 600; }
.crumbs a:hover { color: #fff; }

/* ---------- 服务内容详情页 ---------- */
.service-detail {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; margin-bottom: 30px; transition: all .25s;
}
.service-detail:hover { box-shadow: var(--shadow); border-color: #F3B9C2; }
.service-detail .card-icon { margin-bottom: 0; }
.service-detail h2 { font-size: 24px; font-weight: 900; margin-bottom: 12px; color: var(--red-dark); }
.service-detail p { color: var(--muted); font-size: 15.5px; margin-bottom: 14px; }
.feature-list li { position: relative; padding: 7px 0 7px 28px; font-size: 15px; }
.feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 8px; color: var(--red); font-weight: 900;
  width: 20px; height: 20px; background: var(--red-pale); border-radius: 50%;
  font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.checklist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 30px; margin: 12px 0 6px; }

/* ---------- 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; text-align: center; position: relative; transition: all .25s; }
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.step-num {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--red), var(--red-dark)); color: #fff;
  font-size: 22px; font-weight: 900; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(200,16,46,.3);
}
.step-card h4 { font-size: 17.5px; font-weight: 900; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--muted); }

/* ---------- CTA 条 ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 10% 0%, rgba(255,209,102,.16), transparent 60%),
    linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  border-radius: 22px; padding: 52px 48px; color: #fff;
  display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap;
  box-shadow: 0 20px 50px rgba(200,16,46,.35); position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -70px; bottom: -90px; width: 280px; height: 280px;
  border-radius: 50%; background: rgba(255,255,255,.07);
}
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 900; line-height: 1.35; }
.cta-band p { color: #FFD9DE; margin-top: 8px; font-size: 15.5px; }
.cta-band .btns { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* ---------- 页脚 ---------- */
footer { background: #23040A; color: #E8B7BE; padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo .logo-mark { width: 42px; height: 42px; font-size: 21px; }
.footer-logo .en { color: #fff; font-size: 19px; font-weight: 900; }
.footer-logo .cn { font-size: 12px; color: #C98A93; letter-spacing: 2px; }
.footer-tagline { font-size: 14.5px; line-height: 1.8; color: #D8A2AA; }
.footer-phone-big { display: inline-block; margin-top: 16px; font-size: 22px; font-weight: 900; color: #FFD166; }
footer h4 { color: #fff; font-size: 16.5px; font-weight: 800; margin-bottom: 18px; letter-spacing: 1px; }
footer li { margin-bottom: 10px; font-size: 14.5px; }
footer li a:hover { color: #FFD166; }
.footer-contact li { display: flex; gap: 9px; }
.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: 13.5px; color: #B9838C;
}

/* ---------- 悬浮联系按钮（手机端） ---------- */
.float-call { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4, .tech-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 14px 18px 20px; border-bottom: 2px solid var(--red-pale);
    box-shadow: 0 20px 40px rgba(0,0,0,.12); gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 16px; }
  .hamburger { display: block; }
  .nav-phone span.num { display: none; }
  .nav-phone { padding: 11px 14px; }
  .hero { padding: 60px 0 70px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .contact-grid, .form-row, .checklist-grid { grid-template-columns: 1fr; }
  .reviews-grid, .grid-3, .stats-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; padding: 28px 24px; }
  .cta-band { padding: 38px 28px; }
  .section { padding: 56px 0; }
  .float-call {
    display: flex; position: fixed; right: 18px; bottom: 18px; z-index: 90;
    align-items: center; gap: 9px; background: linear-gradient(135deg, var(--red), var(--red-dark));
    color: #fff; font-weight: 900; padding: 14px 22px; border-radius: 999px;
    box-shadow: 0 12px 30px rgba(200,16,46,.45); font-size: 15.5px;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}