/* 2026 主题 v3 - 精致企业风 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-soft: #eff6ff;
  --primary-muted: #dbeafe;
  --accent: #06b6d4;
  --dark: #0f172a;
  --dark-footer: #0b1220;
  --text: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --line: #e2e8f0;
  --line-light: #f1f5f9;
  --surface: #f8fafc;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-blue: 0 12px 32px rgba(59, 130, 246, 0.22);
  --green: #10b981;
  --green-bar: #059669;
  --orange: #f97316;
  --orange-bar: #ea580c;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --header-h: 68px;
  --section-y: 88px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}

a { text-decoration: none; color: inherit; transition: color 0.2s, opacity 0.2s; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  transition: box-shadow 0.3s var(--ease);
}

.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  align-items: center;
  height: var(--header-h);
  gap: 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--text);
  white-space: nowrap;
}

.site-logo img {
  height: 34px;
  width: auto;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.site-nav a {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.2s;
}

.site-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.site-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-soft);
  border-radius: 999px;
}

.site-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-text {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
}

.btn-text:hover { color: var(--primary); }

.btn-outline {
  padding: 9px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-primary, .try-btn, .biz-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white) !important;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  transition: all 0.25s var(--ease);
}

.btn-primary:hover, .try-btn:hover, .biz-btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.28);
}

.btn-lg { padding: 14px 36px; font-size: 1rem; border-radius: 12px; }

.btn-outline.btn-lg {
  padding: 14px 32px;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--text);
  cursor: pointer;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-footer);
  color: rgba(255, 255, 255, 0.65);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr) auto;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.45);
  max-width: 260px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 11px; }

.footer-col a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-col a:hover { color: var(--white); }

.footer-qrcode {
  padding: 14px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer-qrcode img {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  padding: 5px;
  background: var(--white);
  border-radius: 8px;
}

.footer-qrcode p {
  margin-top: 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 22px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ===== 区块标题 ===== */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.625rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

.section-head.light h2 { color: var(--white); }
.section-head.light p { color: rgba(255, 255, 255, 0.65); }

.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 {
  font-size: clamp(1.625rem, 2.8vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.section-title p { color: var(--text-secondary); max-width: 520px; margin: 0 auto; }
.section-title.light h2, .section-title.light p { color: var(--white); }
.section-title.light p { opacity: 0.65; }

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

/* ===== 居中 Hero（参考图主视觉） ===== */
.hero-center, .banner {
  position: relative;
  padding: 72px 0 88px;
  text-align: center;
  overflow: hidden;
  background: var(--white);
}

.hero-glow, .banner-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-glow::before, .banner-bg::before {
  content: '';
  position: absolute;
  width: 900px;
  height: 420px;
  left: 50%;
  top: 40%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(147, 197, 253, 0.45) 0%, rgba(199, 210, 254, 0.2) 35%, transparent 70%);
  filter: blur(8px);
}

.hero-glow::after, .banner-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.hero-center .container, .banner .container {
  position: relative;
  z-index: 1;
}

.hero-center h1, .banner-text h1, .biz-banner-text h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 18px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-center h1 em, .banner-text h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero-center p, .banner-text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.hero-actions, .banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.banner-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.banner-link:hover { color: var(--primary); }

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  margin-bottom: 20px;
  background: var(--primary-soft);
  border: 1px solid var(--primary-muted);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-hover);
}

.banner-badge i {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.625rem;
}

/* 产品预览条 */
.hero-preview {
  padding: 0 0 64px;
  background: var(--white);
  margin-top: -24px;
}

.preview-frame {
  max-width: 920px;
  margin: 0 auto;
  padding: 10px;
  background: linear-gradient(145deg, #f8fafc, #ffffff);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.banner-slider, .preview-frame .banner-slider {
  border-radius: calc(var(--radius-xl) - 6px);
  overflow: hidden;
  position: relative;
  max-width: 100%;
}

.slider-wrapper { display: flex; transition: transform 0.55s var(--ease); }
.slider-item { min-width: 100%; }
.slider-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 2;
}

.slider-dot {
  width: 28px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.3s;
}

.slider-dot.active { width: 36px; background: var(--white); }

/* ===== 产品功能 ===== */
.advantage, .biz-features {
  padding: var(--section-y) 0;
  background: var(--surface);
}

.advantage-list, .biz-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.advantage-item, .biz-feature-card {
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all 0.3s var(--ease);
  box-shadow: var(--shadow-xs);
}

.advantage-item:hover, .biz-feature-card:hover {
  border-color: var(--primary-muted);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.icon-box {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  border-radius: 14px;
  transition: transform 0.3s var(--ease);
}

.advantage-item:hover .icon-box { transform: scale(1.05); }

.icon-box i {
  font-size: 1.375rem;
  color: var(--primary);
}

.advantage-item h3, .biz-feature-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.advantage-item p, .biz-feature-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== 解决方案 ===== */
.biz-solution, .solution {
  position: relative;
  padding: var(--section-y) 0;
  background: var(--dark) url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80') center/cover no-repeat fixed;
}

.biz-solution::before, .solution::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.92) 0%, rgba(11, 18, 32, 0.85) 100%);
}

.biz-solution .container, .solution .container {
  position: relative;
  z-index: 1;
}

.biz-solution-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.biz-tab {
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s;
}

.biz-tab:hover { color: rgba(255, 255, 255, 0.85); border-color: rgba(255, 255, 255, 0.25); }

.biz-tab.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.95);
  border-color: transparent;
  font-weight: 600;
}

.biz-solution-content {
  text-align: center;
  margin-bottom: 36px;
}

.biz-solution-content h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.biz-solution-content p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 560px;
  margin: 0 auto;
}

.biz-solution-grid, .solution-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.biz-solution-card, .solution-item {
  padding: 28px 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: all 0.3s;
  color: var(--white);
}

.biz-solution-card:hover, .solution-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.biz-solution-card i, .solution-item i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  font-size: 1.125rem;
  color: var(--white);
  background: var(--primary);
  border-radius: 12px;
}

.biz-solution-card h4, .solution-item h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.biz-solution-card p, .solution-item p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.65;
}

/* ===== 数据统计 ===== */
.biz-stats {
  padding: 56px 0;
  background: var(--white);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.biz-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.biz-stat-item {
  text-align: center;
  padding: 20px 16px;
  position: relative;
}

.biz-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--line);
}

.biz-stat-item .number {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.biz-stat-item .label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== 合作伙伴 ===== */
.partner {
  padding: 56px 0;
  background: var(--white);
}

.partner-logo-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.partner-logo {
  display: flex;
  gap: 32px;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.partner-logo span {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: var(--surface);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== 最新动态 ===== */
.biz-news {
  padding: var(--section-y) 0;
  background: var(--surface);
}

.biz-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.biz-news-column {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.3s;
}

.biz-news-column:hover { box-shadow: var(--shadow-sm); }

.biz-news-header {
  padding: 16px 20px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.biz-news-header.green { background: var(--green-bar); }
.biz-news-header.blue { background: var(--primary); }
.biz-news-header.orange { background: var(--orange-bar); }

.biz-news-list { padding: 6px 0; min-height: 180px; }

.biz-news-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line-light);
  transition: background 0.15s;
}

.biz-news-item:last-child { border-bottom: none; }
.biz-news-item:hover { background: var(--primary-soft); }

.biz-news-date {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 44px;
}

.biz-news-item a {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.5;
  flex: 1;
}

.biz-news-item a:hover { color: var(--primary); }

.biz-news-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== CTA ===== */
.biz-cta {
  padding: 72px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-soft) 0%, var(--white) 100%);
}

.biz-cta h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

/* ===== 内页 ===== */
.page-hero {
  position: relative;
  padding: 72px 0 64px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(165deg, #f0f7ff 0%, #ffffff 55%, #fafbff 100%);
  border-bottom: 1px solid var(--line-light);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 70%),
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  mask-image: linear-gradient(180deg, black 40%, transparent 100%);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  font-size: clamp(1.875rem, 3.8vw, 2.625rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
  color: var(--text);
}

.page-hero h1 span { color: var(--primary); }

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

.page-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.tag-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: var(--shadow-xs);
}

.tag-pill i { color: var(--primary); font-size: 0.875rem; }

.page-hero-dark {
  padding: 56px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
  color: var(--white);
}

.page-hero-dark h1, .page-hero-dark h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 8px;
}

.page-hero-dark p { opacity: 0.88; font-size: 0.9375rem; }

.breadcrumb {
  padding: 14px 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--white);
  border-bottom: 1px solid var(--line-light);
}

.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--primary); font-weight: 600; }

.page-section { padding: 72px 0; }
.page-section.bg-gray { background: var(--surface); }

.section-actions { text-align: center; margin-top: 40px; }

.card {
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-xs);
  transition: all 0.3s;
}

.card:hover { box-shadow: var(--shadow-sm); border-color: var(--primary-muted); }

.card.text-center { text-align: center; }

.card.text-center p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.65;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.icon-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.icon-row .icon-box {
  margin: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

.icon-row .icon-box.brand-weixin i { color: #07c160; }
.icon-row .icon-box.brand-qq i { color: #12b7f5; }
.icon-row .icon-box.brand-alipay i { color: var(--primary); }
.icon-row .icon-box.brand-weibo i { color: #e6162d; }

.form-card { max-width: 860px; margin: 0 auto; }

.form-card-lead {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.table-wrap { overflow-x: auto; }

.btn-sm {
  padding: 6px 16px;
  font-size: 0.8125rem;
  border-radius: 8px;
}

.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.data-table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--surface);
  color: var(--text-secondary);
}

.data-table td {
  padding: 14px 18px;
  font-size: 0.875rem;
  border-top: 1px solid var(--line-light);
}

.data-table tr:hover td { background: var(--surface); }

/* 授权页 */
.auth-page-hero {
  position: relative;
  padding: 56px 24px 72px;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #6366f1 100%);
  color: var(--white);
  overflow: hidden;
}

.auth-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 40% at 20% 20%, rgba(255,255,255,0.12) 0%, transparent 60%),
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
}

.auth-page-hero .header-content { max-width: 1140px; margin: 0 auto; position: relative; z-index: 1; }

.auth-page-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 12px;
}

.auth-page-hero p {
  opacity: 0.88;
  margin-bottom: 24px;
  max-width: 560px;
  line-height: 1.75;
}

.auth-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }

.auth-btns .query-btn {
  padding: 10px 22px;
  background: var(--white);
  color: var(--primary);
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
}

.auth-btns .apply-btn {
  padding: 10px 22px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  font-size: 0.875rem;
  cursor: pointer;
}

.features { display: flex; gap: 8px; flex-wrap: wrap; }

.feature-item {
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 0.8125rem;
}

.input-area {
  max-width: 640px;
  margin: -40px auto 56px;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.input-area form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-md);
}

.input-group, .verify-code-group {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.input-group input, .verify-code-group input {
  flex: 1;
  min-width: 180px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.input-group input:focus, .verify-code-group input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}

.verify-code-group button, .change-auth-btn, .download-btn {
  padding: 13px 22px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.verify-code-group button#sendCodeBtn { background: var(--text-secondary); }

.result-wrap {
  margin-top: 16px;
  padding: 24px;
  background: var(--primary-soft);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.9375rem;
}

.color-green { color: var(--green); font-weight: 600; }
.color-error { color: #ef4444; font-weight: 600; }

.advantages, .why-auth, .download-guide {
  max-width: 1140px;
  margin: 0 auto;
  padding: 72px 24px;
}

.advantages h2, .why-auth h2, .download-guide h2 {
  text-align: center;
  font-size: clamp(1.375rem, 2.5vw, 1.625rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.advantages .section-head,
.why-auth .section-head,
.download-guide .section-head {
  margin-bottom: 40px;
}

/* 弹窗 */
.theme-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.theme-modal.open { display: flex; }

.theme-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
}

.theme-modal-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 28px;
}

.theme-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.theme-modal-head h3 {
  font-size: 1.0625rem;
  font-weight: 700;
}

.theme-modal-close {
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  border: none;
  background: none;
}

.theme-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* 登录/注册独立页 */
.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: linear-gradient(165deg, #f0f7ff 0%, #ffffff 45%, #fafbff 100%);
  position: relative;
  overflow: hidden;
}

.auth-layout::before {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: rgba(59, 130, 246, 0.12);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.auth-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.auth-panel-tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--line-light);
}

.auth-panel-tab {
  flex: 1;
  padding: 16px;
  text-align: center;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.auth-panel-tab.active {
  color: var(--primary);
  background: var(--white);
  border-bottom-color: var(--primary);
}

.auth-panel-body { padding: 28px 24px; }

.auth-form-msg {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8125rem;
  margin-bottom: 14px;
  display: none;
}

.auth-form-msg.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  color: var(--green);
}

.auth-form-msg.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.auth-field-error {
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: 4px;
  min-height: 1rem;
}

.captcha-row {
  display: flex;
  gap: 10px;
}

.captcha-row .form-input { flex: 1; }

.auth-submit {
  width: 100%;
  margin-top: 8px;
}

.auth-footer-link {
  text-align: center;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-footer-link a { color: var(--primary); font-weight: 600; }

.register-page { padding: 48px 0 72px; background: var(--surface); }

.register-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
  margin-bottom: 24px;
}

.register-options { display: flex; flex-direction: column; gap: 10px; }

.register-option {
  position: relative;
  display: flex;
  align-items: center;
  padding: 16px 16px 16px 44px;
  border: 2px solid var(--line-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  background: var(--white);
}

.register-option:hover { border-color: var(--primary-muted); }

.register-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.register-option input:checked + .register-option-label {
  color: var(--primary);
  font-weight: 600;
}

.register-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.register-option-dot {
  position: absolute;
  left: 16px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-radius: 50%;
}

.register-option:has(input:checked) .register-option-dot {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: inset 0 0 0 3px var(--white);
}

.register-detail {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
}

.register-detail h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.register-detail h3 i { color: var(--primary); }

.register-note {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--primary-soft);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.pay-options { display: flex; flex-wrap: wrap; gap: 10px; }

.pay-option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.8125rem;
  cursor: pointer;
}

.pay-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

@media (max-width: 768px) {
  .register-grid { grid-template-columns: 1fr; }
}

.adv-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.adv-item {
  padding: 28px 22px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.adv-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 12px;
  font-size: 1.125rem;
}

.adv-item h3 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 6px; }
.adv-item p { font-size: 0.8125rem; color: var(--text-muted); line-height: 1.6; }

.why-content { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.guide-content { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.why-card, .guide-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }

.card-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.875rem;
}

.card-header h3 { font-size: 1rem; font-weight: 700; }
.card-content { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.75; }

/* 文章 */
.article-page { padding: 56px 0 80px; background: var(--surface); }

.article-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 44px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-sm);
}

.browse {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line-light);
}

.articleCon { font-size: 0.9375rem; line-height: 1.9; color: var(--text); }

/* 标签 */
.tag-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.tag-pill i { color: var(--primary); }

/* 客服 */
.float-chat {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--primary);
  border-radius: 50%;
  font-size: 1.375rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line-light);
  z-index: 999;
  transition: all 0.25s;
}

.float-chat:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.06);
}

/* 动画 - 默认可见，避免 JS 未加载时内容隐藏 */
.reveal { opacity: 1; transform: none; }

html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

html.js .reveal.visible { opacity: 1; transform: none; }

/* ===== 首页专属 ===== */

/* 首屏：左文右图 */
.home-main {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
  background: linear-gradient(165deg, #f0f7ff 0%, #ffffff 45%, #fafbff 100%);
}

.home-main-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.home-grid-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, black 20%, transparent 75%);
}

.home-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.home-blob-1 {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: rgba(59, 130, 246, 0.15);
}

.home-blob-2 {
  width: 320px;
  height: 320px;
  bottom: -60px;
  left: -40px;
  background: rgba(147, 197, 253, 0.25);
}

.home-main-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.home-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  margin-bottom: 22px;
  background: var(--white);
  border: 1px solid var(--primary-muted);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-hover);
  box-shadow: var(--shadow-xs);
}

.home-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.1); }
}

.home-main-copy h1 {
  font-size: clamp(2rem, 4.5vw, 2.875rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 18px;
}

.home-main-copy h1 span {
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-main-copy > p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 32px;
}

.home-main-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.home-trust-row {
  display: flex;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line-light);
}

.home-trust-item strong {
  display: block;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.home-trust-item span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* 轨道视觉 */
.home-visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(59, 130, 246, 0.2);
}

.orbit-ring-1 {
  width: 340px;
  height: 340px;
  animation: orbit-spin 40s linear infinite;
}

.orbit-ring-2 {
  width: 260px;
  height: 260px;
  border-color: rgba(59, 130, 246, 0.12);
  animation: orbit-spin 30s linear infinite reverse;
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.orbit-hub {
  position: relative;
  z-index: 2;
  width: 120px;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(145deg, var(--primary) 0%, #6366f1 100%);
  border-radius: 28px;
  color: var(--white);
  box-shadow: 0 20px 50px rgba(59, 130, 246, 0.35);
}

.orbit-hub i { font-size: 1.75rem; }
.orbit-hub span { font-size: 0.75rem; font-weight: 600; opacity: 0.9; }

.orbit-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  animation: float-card 4s ease-in-out infinite;
}

.orbit-card i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 10px;
  font-size: 1rem;
  flex-shrink: 0;
}

.orbit-card b {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.orbit-card small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.orbit-card-1 { top: 8%; left: 0; animation-delay: 0s; }
.orbit-card-2 { top: 18%; right: -8px; animation-delay: 1s; }
.orbit-card-3 { bottom: 22%; left: -12px; animation-delay: 2s; }
.orbit-card-4 { bottom: 8%; right: 4%; animation-delay: 0.5s; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.orbit-badge {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.orbit-badge-1 { top: 42%; right: -16px; }
.orbit-badge-2 { bottom: 38%; left: -20px; color: var(--green); }
.orbit-badge-2 i { color: var(--green); }

/* 快速入口 */
.home-quick {
  padding: 0 0 56px;
  margin-top: -20px;
  position: relative;
  z-index: 2;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.quick-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 18px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: all 0.3s var(--ease);
}

.quick-card:hover {
  border-color: var(--primary-muted);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.quick-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 12px;
  font-size: 1.125rem;
}

.quick-text h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.quick-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.quick-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: transform 0.25s, color 0.25s;
  flex-shrink: 0;
}

.quick-card:hover .quick-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* Bento 能力矩阵 */
.home-bento {
  padding: var(--section-y) 0;
  background: var(--surface);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bento-item {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: all 0.3s var(--ease);
}

.bento-item:hover {
  border-color: var(--primary-muted);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.bento-lg {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}

.bento-wide {
  grid-column: span 2;
}

.bento-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 12px;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.bento-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.bento-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.bento-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: auto;
  padding-top: 24px;
  height: 120px;
}

.bento-bar {
  flex: 1;
  height: var(--h, 50%);
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-muted) 100%);
  border-radius: 6px 6px 2px 2px;
  opacity: 0.85;
  transition: height 0.4s var(--ease);
}

.bento-item:hover .bento-bar { opacity: 1; }

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.bento-tags span {
  padding: 5px 12px;
  background: var(--primary-soft);
  color: var(--primary-hover);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.biz-cta-desc {
  color: var(--text-secondary);
  margin: -12px 0 24px;
  font-size: 0.9375rem;
}

.site-logo span { color: var(--primary); font-weight: 800; }

@media (max-width: 1024px) {
  .home-main-grid { grid-template-columns: 1fr; gap: 32px; }
  .home-visual { height: 360px; max-width: 480px; margin: 0 auto; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-lg { grid-row: span 1; }
  .bento-wide { grid-column: span 2; }
}

@media (max-width: 768px) {
  .home-main { padding: 32px 0 48px; }
  .home-trust-row { gap: 20px; }
  .home-visual { height: 300px; }
  .orbit-card { padding: 10px 14px; }
  .orbit-card i { width: 32px; height: 32px; font-size: 0.875rem; }
  .orbit-badge { display: none; }
  .quick-grid { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-wide { grid-column: span 1; }
}

/* 响应式 */
@media (max-width: 1024px) {
  .header-inner { grid-template-columns: auto 1fr auto; }
  .advantage-list, .biz-feature-grid, .biz-solution-grid, .adv-list { grid-template-columns: repeat(2, 1fr); }
  .biz-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-stat-item:nth-child(2)::after { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-y: 64px; --header-h: 60px; }
  .header-inner { display: flex; justify-content: space-between; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-md);
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .site-actions .btn-outline, .site-actions .btn-primary, .site-actions .btn-text { display: none; }
  .advantage-list, .biz-feature-grid, .biz-solution-grid, .biz-news-grid, .biz-stats-grid, .adv-list, .why-content, .footer-grid { grid-template-columns: 1fr; }
  .biz-stat-item::after { display: none !important; }
  .slider-item img { height: 220px; }
  .input-area form { padding: 22px; }
  .article-wrap { padding: 28px 20px; }
}