/* =============================================
   集途教育 (GETTO EDU) - 阿里云版
   AI-Native EdTech × Global Admissions
   配色参考：Coursera 设计系统
   ============================================= */

:root {
  /* ── Coursera 风格色板 ── */
  --primary: #0056D2;          /* 主蓝 — 品牌色、主按钮、链接 */
  --primary-hover: #003DB5;    /* 深蓝 — 按钮悬停 */
  --primary-light: #E8F0FE;    /* 极浅蓝 — 浅色背景、hover背景 */

  --headline: #1C1D1F;         /* 近黑 — 标题 */
  --body: #3C3D40;             /* 中灰 — 正文 */
  --secondary: #6B6C70;        /* 浅灰 — 辅助文字 */
  --muted: #91949C;            /* 更浅灰 — 标签/页脚 */

  --bg: #FFFFFF;               /* 全局白底 */
  --bg-alt: #F8F9FC;           /* 交替浅灰蓝背景 */
  --card: #FFFFFF;             /* 卡片白底 */
  --border: #E1E4E8;           /* 浅灰边框 */

  --footer-bg: #2D2F31;        /* 深色页脚 */
  --footer-text: #B0B3B5;      /* 页脚文字 */

  --accent: #02B875;           /* 春绿 — 促销/强调 */

  --grad: linear-gradient(135deg, #0056D2, #0073E6);
  --grad-hero: linear-gradient(180deg, #E8F0FE 0%, #FFFFFF 100%);

  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --transition: 0.2s ease;

  /* ── 字体 ── */
  --font: 'Source Sans Pro', 'Open Sans', 'PingFang SC', 'Noto Sans SC', -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; }

/* ── 容器 ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ── 渐变文字 ── */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad-text2 {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════
   导航栏 — 白底+微阴影
══════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 60px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  display: flex; align-items: center;
}

.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px;
}

.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.05rem; font-weight: 700;
  color: var(--headline);
}
.nav__logo:hover { color: var(--primary); }

.nav__logo-img {
  height: 36px; width: auto;
  display: block;
}

.nav__links {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}

.nav__links a {
  padding: 6px 14px; border-radius: 4px;
  font-size: 0.88rem; color: var(--secondary); font-weight: 500;
  transition: var(--transition);
}
.nav__links a:hover { color: var(--primary); background: var(--primary-light); }
.nav__links a.active {
  color: var(--primary); font-weight: 600;
}

.nav__cta {
  padding: 8px 20px; border-radius: var(--radius-sm);
  background: var(--primary);
  font-size: 0.88rem; font-weight: 600; color: #fff !important;
  transition: var(--transition);
}
.nav__cta:hover {
  background: var(--primary-hover);
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(0,86,210,0.25);
}

/* 汉堡菜单 */
.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--headline); border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════
   HERO — 极浅蓝渐变背景
══════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative; overflow: hidden;
  background: var(--grad-hero);
}

.hero__bg { display: none; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 999px;
  border: 1px solid rgba(0,86,210,0.2);
  background: rgba(0,86,210,0.06);
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary);
  font-weight: 600;
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--headline);
  margin-bottom: 12px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--secondary);
  margin-bottom: 20px; font-weight: 400;
}

.hero__tagline {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--muted);
  margin: 0 auto 48px; max-width: 560px;
}

.hero__actions {
  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 72px;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600;
  transition: var(--transition); cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--primary); color: #fff;
}
.btn--primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(0,86,210,0.3); transform: translateY(-1px); color: #fff; }

.btn--ghost {
  background: #fff;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn--ghost:hover { background: var(--primary-light); transform: translateY(-1px); color: var(--primary); }

/* 数据统计 */
.hero__stats {
  display: flex; gap: 40px; flex-wrap: wrap; justify-content: center;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  width: 100%; max-width: 640px;
  margin: 0 auto;
}

.hero__stats > div {
  text-align: center;
  min-width: 120px;
}

.hero__stat-num {
  font-size: 2rem; font-weight: 800; display: block;
  color: var(--primary);
}
.hero__stat-label {
  font-size: 0.8rem; color: var(--secondary); display: block;
  margin-top: 2px;
}

/* ══════════════════════
   通用 Section
══════════════════════ */
.section { padding: 88px 0; }

.section--alt { background: var(--bg-alt); }       /* 替换原来的 section--dark */
.section--tinted { background: var(--primary-light); }  /* 替换原来的 section--card */

.section__badge {
  display: inline-block;
  padding: 3px 10px; border-radius: 999px;
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.2;
  color: var(--headline);
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1.05rem; color: var(--secondary);
  max-width: 560px;
  line-height: 1.75;
}

/* ══════════════════════
   服务卡片网格
══════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: rgba(0,86,210,0.2);
}

.service-card__num {
  font-size: 2.6rem; font-weight: 800;
  color: var(--primary);
  line-height: 1; margin-bottom: 16px;
  font-family: inherit;
}

.service-card__title {
  font-size: 1.15rem; font-weight: 700; color: var(--headline); margin-bottom: 8px;
}

.service-card__en {
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--primary); font-weight: 600; margin-bottom: 12px;
}

.service-card__desc { font-size: 0.9rem; color: var(--secondary); line-height: 1.7; }

.service-card__tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px;
}

.tag {
  padding: 3px 10px; border-radius: var(--radius-sm);
  font-size: 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--secondary);
}

/* ══════════════════════
   数据亮点 Banner — 蓝色渐变
══════════════════════ */
.data-banner {
  background: var(--grad);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  text-align: center;
  margin-top: 56px;
}

.data-item__num {
  font-size: 2.2rem; font-weight: 800; display: block; color: #fff;
}
.data-item__label {
  font-size: 0.82rem; color: rgba(255,255,255,0.78); display: block;
  margin-top: 4px;
}

/* ══════════════════════
   能力列表（左右布局）
══════════════════════ */
.cap-list {
  display: flex; flex-direction: column; gap: 16px;
  margin-top: 40px;
}

.cap-item {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.cap-item:hover { border-color: rgba(0,86,210,0.25); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.cap-item__icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

/* ── 正式图标样式（替换 emoji） ── */
.icon-sq {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.icon-sq svg { width: 22px; height: 22px; stroke: var(--primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sq--lg { width: 56px; height: 56px; border-radius: 12px; }
.icon-sq--lg svg { width: 28px; height: 28px; }

.icon-circle {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.icon-circle svg { width: 20px; height: 20px; stroke: var(--primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.cap-item__title { font-size: 1rem; font-weight: 700; color: var(--headline); margin-bottom: 6px; }
.cap-item__desc { font-size: 0.88rem; color: var(--secondary); line-height: 1.65; }

/* ══════════════════════
   VIP 服务四格
══════════════════════ */
.vip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.vip-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.vip-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }

.vip-card__num {
  font-size: 2rem; font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.vip-card__title { font-size: 0.95rem; font-weight: 700; color: var(--headline); margin-bottom: 8px; }
.vip-card__desc { font-size: 0.83rem; color: var(--secondary); line-height: 1.6; }

/* ══════════════════════
   全球布局地图卡
══════════════════════ */
.office-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 40px;
}

.office-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.office-card:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(0,86,210,0.1); }

.office-card__city {
  font-size: 1rem; font-weight: 700; color: var(--headline); margin-bottom: 4px;
}
.office-card__code {
  font-size: 0.72rem; letter-spacing: 0.1em; color: var(--primary);
  text-transform: uppercase; font-weight: 600; margin-bottom: 8px;
}
.office-card__addr {
  font-size: 0.8rem; color: var(--secondary); line-height: 1.5;
}

/* ══════════════════════
   CTA Section
══════════════════════ */
.cta-section {
  text-align: center; padding: 100px 24px;
  background: var(--bg-alt);
}

.cta-section__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700; color: var(--headline);
  margin-bottom: 16px;
}
.cta-section__sub {
  font-size: 1.05rem; color: var(--secondary); margin-bottom: 40px;
}

/* ══════════════════════
   页脚 — 深色
══════════════════════ */
.footer {
  background: var(--footer-bg);
  padding: 48px 24px 32px;
}

.footer__inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 18px;
}

.footer__logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700;
  color: #fff;
}

.footer__logo-img {
  height: 30px; width: auto;
  display: block;
}

.footer__desc {
  font-size: 0.88rem; color: var(--footer-text);
  max-width: 420px; line-height: 1.7;
}

.footer__links {
  display: flex; gap: 24px; flex-wrap: wrap; justify-content: center;
  list-style: none;
}
.footer__links a {
  font-size: 0.85rem; color: var(--footer-text);
  transition: var(--transition);
}
.footer__links a:hover { color: #fff; }

.footer__bottom {
  padding-top: 20px;
  width: 100%;
  font-size: 0.8rem; color: var(--footer-text); text-align: center;
}

/* ══════════════════════
   联系页面专属
══════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
  margin-top: 56px;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--headline);
  margin-bottom: 8px;
  font-weight: 600;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--headline);
  font-size: 0.92rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,86,210,0.1);
}
.form-group select { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 110px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin-bottom: 12px;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.contact-info-card:hover { border-color: var(--primary); }

.contact-info-card__label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 6px;
}
.contact-info-card__value {
  font-size: 0.9rem;
  color: var(--body);
  line-height: 1.6;
}

/* Hero for subpages */
.sub-hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: var(--grad-hero);
  position: relative; overflow: hidden;
}

/* ── 产品页专用 ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.1); border-color: rgba(0,86,210,0.2); transform: translateY(-2px); }

.product-card__status {
  display: inline-block;
  padding: 3px 10px; border-radius: 999px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.product-card__status--live { background: rgba(2,184,117,0.1); color: var(--accent); border: 1px solid rgba(2,184,117,0.2); }
.product-card__status--dev { background: rgba(0,86,210,0.08); color: var(--primary); border: 1px solid rgba(0,86,210,0.15); }
.product-card__status--soon { background: rgba(145,148,156,0.1); color: var(--secondary); border: 1px solid var(--border); }

.product-card__title { font-size: 1.2rem; font-weight: 700; color: var(--headline); margin-bottom: 8px; }
.product-card__desc { font-size: 0.9rem; color: var(--secondary); line-height: 1.7; flex: 1; }

.product-card__features { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.product-card__feat {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.85rem; color: var(--body); line-height: 1.5;
}
.product-card__feat::before {
  content: ''; display: block; width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px;
  background: var(--primary-light); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230056D2' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-position: center; background-repeat: no-repeat;
}

/* ── 品牌页专用 ── */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.brand-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: var(--transition);
}
.brand-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.1); transform: translateY(-2px); }

.brand-logo-placeholder {
  width: 72px; height: 72px; border-radius: 16px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem; font-weight: 800; color: var(--primary);
  letter-spacing: -0.02em;
}

.brand-card__title { font-size: 1.15rem; font-weight: 700; color: var(--headline); margin-bottom: 8px; }
.brand-card__sub { font-size: 0.78rem; letter-spacing: 0.08em; color: var(--primary); text-transform: uppercase; margin-bottom: 12px; }
.brand-card__desc { font-size: 0.88rem; color: var(--secondary); line-height: 1.7; }

/* ── 品牌伙伴 logo 网格 ── */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.partner-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  text-align: center;
  font-size: 0.9rem; font-weight: 700; color: var(--headline);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(0,86,210,0.08); }
.partner-item small { display: block; font-size: 0.72rem; color: var(--secondary); font-weight: 400; margin-top: 4px; }

/* ── 专家团队卡片 ── */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.expert-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.expert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: rgba(0,86,210,0.2);
}

.expert-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border);
}

.expert-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--headline);
  margin-bottom: 4px;
}

.expert-card__role {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
}

.expert-card__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.expert-card__badge--lead {
  background: linear-gradient(135deg, #0056D2, #0073E6);
  color: #fff;
}

.expert-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.expert-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  color: var(--secondary);
  line-height: 1.7;
  margin-bottom: 6px;
}

.expert-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

/* ── 合作伙伴无限滚动轮播 ── */
.marquee-container {
  overflow: hidden;
  position: relative;
  margin-top: 40px;
  /* 两端渐隐遮罩 */
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}
.marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── 页面 section 描述居中辅助 ── */
.section__header { text-align: center; margin-bottom: 8px; }
.section__header .section__desc { margin: 0 auto; max-width: 640px; }

/* ══════════════════════
   响应式
══════════════════════ */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .vip-grid { grid-template-columns: repeat(2, 1fr); }
  .office-grid { grid-template-columns: repeat(2, 1fr); }
  .data-banner { grid-template-columns: repeat(2, 1fr); padding: 32px 24px; }

  .hero__actions { flex-direction: column; align-items: center; }
  .hero__stats { gap: 24px; }

  .cap-item { flex-direction: column; gap: 12px; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .vip-grid { grid-template-columns: 1fr; }
  .office-grid { grid-template-columns: 1fr; }
}