/* ============================================
   创想办公设备 - 全站样式
   品牌色：品牌蓝 #1E3AD1 / 品牌红 #D0342C
   ============================================ */
:root {
  --blue: #1e3ad1;
  --blue-dark: #14279e;
  --blue-deep: #0d1a66;
  --blue-light: #eef1fd;
  --blue-mid: #cdd6f8;
  --red: #d0342c;
  --red-dark: #a8241d;
  --ink: #1a2138;
  --ink-soft: #4a5470;
  --line: #e3e7f2;
  --bg: #f6f8fd;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 39, 158, 0.08);
  --shadow-hover: 0 16px 40px rgba(20, 39, 158, 0.16);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- 顶部通栏 ---------- */
.topbar {
  background: var(--blue-deep);
  color: #cfd8ff;
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar strong { color: #fff; font-weight: 600; }

/* ---------- 导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: 0.5px; white-space: nowrap; }
.brand-name .cx-red { color: inherit; }
.brand-sub { font-size: 11px; color: #111; letter-spacing: 2.5px; }

.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--blue); background: var(--blue-light); }
.nav-links a.active { color: var(--blue); background: var(--blue-light); font-weight: 700; }
.nav-cta {
  background: var(--blue) !important;
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: 8px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--blue-dark) !important; }
.nav-cta.red { background: var(--red) !important; }
.nav-cta.red:hover { background: var(--red-dark) !important; }

.menu-btn { display: none; background: none; border: none; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 3px; background: var(--blue); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-dark) 45%, var(--blue) 100%);
  color: #fff;
  padding: 96px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  right: -140px; top: -140px;
  width: 480px; height: 480px;
  border-radius: 50%;
  border: 60px solid rgba(255, 255, 255, 0.06);
}
.hero::after {
  content: "";
  position: absolute;
  left: -90px; bottom: -160px;
  width: 360px; height: 360px;
  border-radius: 50%;
  border: 44px solid rgba(255, 255, 255, 0.05);
}
.hero .container { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.25; font-weight: 800; }
.hero h1 em { font-style: normal; color: #ffd6d3; }
.hero p.lead {
  margin-top: 20px;
  max-width: 640px;
  font-size: 17px;
  color: #dbe2ff;
}
.hero-btns { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.45); }
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-2px); }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; }
.section-head p { margin-top: 14px; color: var(--ink-soft); font-size: 16px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: all 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--blue-mid); }
.card .icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 14.5px; }
.card .more { display: inline-block; margin-top: 16px; color: var(--blue); font-weight: 600; font-size: 14.5px; }
.card .more:hover { color: var(--red); }

/* 深色卡片（核心业务） */
.svc-card { position: relative; overflow: hidden; }
.svc-card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--red));
}
.svc-num {
  position: absolute;
  right: 18px; top: 10px;
  font-size: 52px;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
}

/* ---------- 数字统计 ---------- */
.stats { background: var(--blue-deep); color: #fff; padding: 60px 0; }
.stats .grid-4 { gap: 16px; }
.stat { text-align: center; }
.stat b { font-size: 42px; font-weight: 800; color: #fff; }
.stat b i { font-style: normal; color: #ff9f98; }
.stat span { display: block; margin-top: 6px; color: #b9c4f5; font-size: 15px; }

/* ---------- 设备品类 ---------- */
.cat-card {
  text-align: center;
  padding: 30px 18px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  transition: all 0.25s;
}
.cat-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-4px); }
.cat-card .icon { font-size: 40px; margin-bottom: 14px; }
.cat-img { width: 100%; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; margin-bottom: 14px; }
.cat-img img { width: 100%; height: 100%; object-fit: cover; }
.cat-card h4 { font-size: 17px; }
.cat-card p { font-size: 13px; color: var(--ink-soft); margin-top: 6px; }

/* ---------- 步骤 ---------- */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 74px; padding-bottom: 36px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
}
.step::after {
  content: "";
  position: absolute;
  left: 26px; top: 60px; bottom: 6px;
  width: 2px;
  background: var(--blue-mid);
}
.step:last-child::after { display: none; }
.step h4 { font-size: 18px; margin-bottom: 6px; padding-top: 8px; }
.step p { color: var(--ink-soft); font-size: 14.5px; max-width: 560px; }

/* ---------- 优势列表 ---------- */
.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-size: 15px;
}
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.check-list li b { color: var(--ink); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--red) 0%, #e4573f 100%);
  color: #fff;
  border-radius: 20px;
  padding: 52px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h3 { font-size: 26px; font-weight: 800; }
.cta-band p { margin-top: 8px; color: #ffe1de; }
.cta-band .btn { background: #fff; color: var(--red); }
.cta-band .btn:hover { transform: translateY(-2px); }

/* ---------- 页面 Banner（子页头部） ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: #fff;
  padding: 68px 0;
  text-align: center;
}
.page-hero h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; }
.page-hero p { margin-top: 12px; color: #cfd8ff; max-width: 620px; margin-left: auto; margin-right: auto; }
.breadcrumb { font-size: 13px; color: #9fb0ee; margin-bottom: 14px; }
.breadcrumb a { color: #cfd8ff; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  transition: border 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}
.form-note { font-size: 13px; color: var(--ink-soft); margin-top: 10px; }

/* ---------- 信息卡 ---------- */
.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 18px;
}
.info-card h4 { font-size: 16px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.info-card p { color: var(--ink-soft); font-size: 14.5px; }
.info-card p b { color: var(--ink); font-size: 16px; }

/* ---------- 页脚 ---------- */
.footer { background: #0b1330; color: #97a3c9; padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer .brand-name, .footer .brand-name .cx-red { color: #fff !important; }
.footer .brand-sub { color: #97a3c9 !important; }
.footer a { display: block; padding: 5px 0; font-size: 14px; color: #97a3c9; }
.footer a:hover { color: #fff; }
.footer p { font-size: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  font-size: 13px;
  text-align: center;
  color: #6b7699;
}
.footer-bottom a { display: inline; padding: 0; color: #8a96bb; text-decoration: none; }
.footer-bottom a:hover { color: #fff; }
.footer img { width: 46px; height: 46px; object-fit: contain; background: #fff; border-radius: 10px; padding: 3px; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  border: none;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 99;
  box-shadow: var(--shadow);
}
.to-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .menu-btn { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 5%;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 10px; }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero { padding: 64px 0 80px; }
  .topbar .hide-sm { display: none; }
  .cta-band { padding: 36px 26px; }
}

/* ---------- 导航下拉 ---------- */
.nav-drop { position: relative; }
.nav-drop .caret { font-size: 10px; color: var(--ink-soft); margin-left: 2px; }
.drop-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 176px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-hover);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
  z-index: 60;
}
.nav-drop:hover .drop-menu,
.nav-drop:focus-within .drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.drop-menu a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink); }
.drop-menu a:hover { background: var(--blue-light); color: var(--blue); }
.drop-menu a.active { background: var(--blue-light); color: var(--blue); font-weight: 700; }

/* ---------- 全站动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.revealed { opacity: 1; transform: none; }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-left.revealed, .reveal-right.revealed { transform: none; }

/* Hero 首屏入场 */
@keyframes heroUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: none; }
}
.hero .hero-tag, .hero h1, .hero p.lead, .hero .hero-btns {
  opacity: 0;
  animation: heroUp 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
.hero .hero-tag { animation-delay: 0.1s; }
.hero h1 { animation-delay: 0.25s; }
.hero p.lead { animation-delay: 0.4s; }
.hero .hero-btns { animation-delay: 0.55s; }

/* Hero 圆环缓浮 */
@keyframes floatRing {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.04); }
}
.hero::before { animation: floatRing 9s ease-in-out infinite; }
.hero::after { animation: floatRing 12s ease-in-out infinite reverse; }

/* 图片悬停缩放 */
.cat-img img { transition: transform 0.5s ease; }
.cat-card:hover .cat-img img,
.svc-card:hover .cat-img img { transform: scale(1.06); }

/* 导航滚动阴影 */
.header.scrolled { box-shadow: 0 6px 20px rgba(20, 39, 158, 0.1); }

/* 联系页二维码 */
.qr-img { width: 180px; border-radius: 10px; border: 1px solid var(--line); margin-top: 10px; }

/* 移动端下拉：平铺展开 */
@media (max-width: 960px) {
  .drop-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 6px 14px;
    min-width: 0;
  }
  .nav-drop .has-drop { pointer-events: none; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .hero .hero-tag, .hero h1, .hero p.lead, .hero .hero-btns { opacity: 1; animation: none; }
  .hero::before, .hero::after { animation: none; }
}

/* ============================================
   热门套餐报价卡
   ============================================ */
.price-grid { align-items: stretch; gap: 32px; }
.price-card {
  background: #fff;
  border: 1px solid #e3eaf3;
  border-top: 4px solid var(--blue);
  border-radius: 14px;
  padding: 34px 30px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(24, 95, 165, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(24, 95, 165, 0.14);
}
.plan-tag {
  display: inline-block;
  align-self: flex-start;
  background: rgba(24, 95, 165, 0.09);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.plan-name { font-size: 20px; margin-bottom: 14px; }
.price-line { display: flex; align-items: baseline; gap: 6px; color: var(--blue); }
.price-num { font-size: 52px; font-weight: 800; line-height: 1; }
.price-unit { font-size: 18px; font-weight: 700; }
.price-sub { color: #5a6b80; margin: 8px 0 18px; font-weight: 600; }
.price-feat { list-style: none; margin: 0 0 18px; padding: 0; }
.price-feat li {
  position: relative;
  padding: 7px 0 7px 28px;
  border-bottom: 1px dashed #e3eaf3;
  font-size: 15px;
}
.price-feat li::before {
  content: '✓';
  position: absolute;
  left: 4px;
  color: #2aa864;
  font-weight: 800;
}
.price-note {
  font-size: 13px;
  color: #8a97a8;
  margin-top: auto;
  margin-bottom: 14px;
}
.btn-block { display: block; text-align: center; width: 100%; }
.price-footnote {
  margin-top: 22px;
  font-size: 13px;
  color: #8a97a8;
  text-align: center;
}

@media (max-width: 620px) {
  .price-card { padding: 28px 22px 24px; }
  .price-num { font-size: 44px; }
}

/* ============================================
   样式动效升级（对标超倬官网）
   ============================================ */

/* 顶部滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--red), #ff8d5a, var(--blue));
  z-index: 1200;
  box-shadow: 0 0 10px rgba(208, 52, 44, 0.5);
}

/* Hero 流动渐变 + 网格纹理 */
.hero {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-dark) 45%, var(--blue) 100%);
  background-size: 42px 42px, 42px 42px, 300% 300%;
  animation: heroGradient 18s ease infinite;
}
@keyframes heroGradient {
  0%, 100% { background-position: 0 0, 0 0, 0% 50%; }
  50% { background-position: 0 0, 0 0, 100% 50%; }
}

/* 服务承诺无缝滚动条 */
.marquee-band {
  background: linear-gradient(90deg, var(--red), #e4573f);
  color: #fff;
  overflow: hidden;
  padding: 13px 0;
  position: relative;
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  will-change: transform;
  animation: marqueeScroll 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-track span { font-size: 15px; font-weight: 600; letter-spacing: 1px; padding: 0 22px; }
.marquee-track b { color: rgba(255, 255, 255, 0.55); font-weight: 400; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 卡片鼠标跟随光晕 */
.card, .cat-card, .info-card, .price-card { position: relative; overflow: hidden; }
.spot {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(480px circle at var(--mx, 50%) var(--my, 50%), rgba(30, 58, 209, 0.10), transparent 46%);
  opacity: 0;
  transition: opacity 0.35s ease;
  border-radius: inherit;
}
.card:hover .spot,
.cat-card:hover .spot,
.info-card:hover .spot,
.price-card:hover .spot { opacity: 1; }

/* 数字统计发光 + 网格纹理 */
.stats {
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(120deg, var(--blue-deep), #172a80);
  background-size: 42px 42px, 42px 42px, 100% 100%;
}
.stat b { text-shadow: 0 0 26px rgba(120, 150, 255, 0.45); }

/* 主按钮渐变流动 */
.btn-primary {
  background: linear-gradient(120deg, var(--red), #e4573f, var(--red));
  background-size: 220% 220%;
  transition: all 0.35s ease;
}
.btn-primary:hover { background-position: 100% 50%; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(208, 52, 44, 0.35); }
.btn-blue {
  background: linear-gradient(120deg, var(--blue), #3b5cf0, var(--blue));
  background-size: 220% 220%;
  transition: all 0.35s ease;
}
.btn-blue:hover { background-position: 100% 50%; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(30, 58, 209, 0.35); }

/* 按钮涟漪 */
.btn, .nav-cta { position: relative; overflow: hidden; }
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: rippleAnim 0.6s ease-out forwards;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(2.8); opacity: 0; }
}

/* 标题下划线动画 */
.section-head h2 { position: relative; padding-bottom: 18px; }
.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 56px; height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--red));
}

/* ---------- 品牌墙 ---------- */
.brand-band {
  padding: 38px 0;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.brand-band-tip {
  text-align: center;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.brand-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 34px;
}
.brand-logos span {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 1px;
  color: #a3aec2;
  transition: color 0.25s ease, transform 0.25s ease;
}
.brand-logos span:hover { color: var(--blue); transform: translateY(-2px); }

/* ---------- 常见问题 FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-item[open] {
  border-color: var(--blue-mid);
  box-shadow: var(--shadow);
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  width: 26px; height: 26px;
  line-height: 24px;
  text-align: center;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 18px;
  font-weight: 800;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.faq-item[open] summary::after {
  content: "−";
  background: var(--blue);
  color: #fff;
}
.faq-item p {
  padding: 0 22px 20px;
  color: var(--ink-soft);
  line-height: 1.85;
  font-size: 15px;
}
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-band .btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}
.cta-band .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* ===== 2026-10 改版新增：grid-4 / 租赁格子 / 参数表格 ===== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }

.svc-mini { position: relative; padding: 26px 22px; transition: transform .2s, box-shadow .2s; }
.svc-mini:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(30, 58, 209, .12); }
.svc-mini .svc-num {
  font-size: 13px; font-weight: 800; color: var(--blue);
  letter-spacing: 1px; opacity: .55; display: block; margin-bottom: 10px;
}
.svc-mini h3 { font-size: 17.5px; margin-bottom: 8px; }
.svc-mini p { font-size: 13.5px; color: var(--ink-soft); }

.spec-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--line); background: #fff; box-shadow: 0 8px 26px rgba(13, 26, 102, .06); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
.spec-table thead th {
  background: var(--blue-deep); color: #fff; text-align: left;
  padding: 13px 18px; font-weight: 700; letter-spacing: .5px; white-space: nowrap;
}
.spec-table tbody td { padding: 13px 18px; border-top: 1px solid var(--line); color: var(--ink); line-height: 1.7; vertical-align: top; }
.spec-table tbody td:nth-child(2), .spec-table tbody td:nth-child(3) { white-space: nowrap; color: var(--ink-soft); }
.spec-table tbody tr:hover td { background: var(--blue-light); }

/* ===== 2026-10-07 新增：表格缩略图 / 电脑卡 / 配置弹窗 ===== */
.thumb-cell { width: 96px; padding: 8px 10px !important; }
.row-thumb {
  width: 88px; height: 62px; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--line); background: #fff;
  transition: transform .25s ease;
}
.row-thumb:hover { transform: scale(1.12); box-shadow: 0 6px 18px rgba(13,26,102,.16); }

.pc-card { cursor: pointer; display: block; color: inherit; transition: transform .2s, box-shadow .2s; }
.pc-card:hover { transform: translateY(-5px); box-shadow: 0 16px 38px rgba(30,58,209,.14); }

.modal-mask {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(10, 18, 60, .55); backdrop-filter: blur(3px);
  justify-content: center; align-items: center; padding: 20px;
}
.modal-mask.open { display: flex; }
.modal-box {
  position: relative; background: #fff; border-radius: 16px;
  max-width: 680px; width: 100%; max-height: 88vh; overflow-y: auto;
  padding: 26px 26px 22px; box-shadow: 0 24px 64px rgba(0,0,0,.28);
  animation: modalIn .22s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 34px; height: 34px;
  border: none; border-radius: 50%; background: var(--blue-light); color: var(--blue-deep);
  font-size: 15px; cursor: pointer; line-height: 1;
}
.modal-close:hover { background: var(--blue); color: #fff; }
.spec-row { cursor: pointer; }

/* 驱动下载中心 */
.dl-brand {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .3px;
  color: var(--blue);
  margin-bottom: 8px;
  line-height: 1.15;
}
.dl-card:hover .dl-brand { color: var(--red); }
.dl-card p { min-height: 40px; }