:root {
  --neon-cyan: #00d2ff;
  --neon-purple: #7928ca;
  --neon-pink: #ff007a;
  --neon-amber: #ffaa00;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-neon: rgba(0, 210, 255, 0.4);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-neon: 0 10px 25px -5px rgba(0, 210, 255, 0.15), 0 8px 10px -6px rgba(121, 40, 202, 0.1);
  --shadow-hover: 0 20px 30px -10px rgba(0, 210, 255, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --container-max: 1200px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 宽度容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 210, 255, 0.2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-wrap {
  width: 140px;
  height: auto;
  display: flex;
  align-items: center;
}

.ai-page-home-link {
  font-weight: 600;
  color: var(--neon-cyan);
  background: rgba(0, 210, 255, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 210, 255, 0.3);
  font-size: 0.9rem;
}

.ai-page-home-link:hover {
  background: rgba(0, 210, 255, 0.2);
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-item a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: block;
}

.nav-item a:hover {
  color: var(--neon-cyan);
  background: rgba(0, 210, 255, 0.06);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #ffffff;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(121, 40, 202, 0.45);
}

.btn-secondary {
  background: #ffffff;
  color: var(--neon-purple);
  border: 1px solid var(--neon-purple);
  padding: 9px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(121, 40, 202, 0.05);
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: 0.3s;
}

/* 章节通用样式 */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-top: 1px solid rgba(0, 210, 255, 0.1);
  border-bottom: 1px solid rgba(0, 210, 255, 0.1);
}

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--neon-purple);
  background: rgba(121, 40, 202, 0.08);
  border: 1px solid rgba(121, 40, 202, 0.25);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* 首屏 Hero */
.hero-section {
  padding: 90px 0 70px;
  background: radial-gradient(circle at 50% 20%, rgba(0, 210, 255, 0.12), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(255, 0, 122, 0.08), transparent 50%),
              radial-gradient(circle at 20% 70%, rgba(121, 40, 202, 0.08), transparent 50%);
  position: relative;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid rgba(0, 210, 255, 0.4);
  padding: 6px 18px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.15);
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pill-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-cyan);
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.25;
  max-width: 900px;
  margin: 0 auto 24px auto;
  color: #0b132b;
}

.hero-highlight {
  background: linear-gradient(135deg, #00b4d8 0%, #7928ca 50%, #ff007a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 36px auto;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.btn-official {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #0b132b;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 14px 34px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.5), 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-official:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.7);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1050px;
  margin: 0 auto;
}

.stat-item {
  background: #ffffff;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 210, 255, 0.2);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.stat-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon);
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* 模型徽标滚屏/网格 */
.models-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 1100px;
  margin: 0 auto;
}

.model-badge {
  background: #ffffff;
  border: 1px solid rgba(121, 40, 202, 0.15);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  transition: all 0.25s ease;
}

.model-badge:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-purple);
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.3);
  transform: translateY(-2px);
}

/* 平台介绍卡片布局 */
.platform-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plat-card {
  background: #ffffff;
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
}

.plat-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
  transform: translateY(-5px);
}

.plat-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 210, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--neon-purple);
  font-weight: 800;
  font-size: 1.3rem;
  border: 1px solid rgba(0, 210, 255, 0.25);
}

.plat-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.plat-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 核心场景网格 */
.services-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scenario-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.scenario-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: 0.3s;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 0, 122, 0.3);
  box-shadow: 0 12px 24px -6px rgba(255, 0, 122, 0.15);
}

.scenario-card:hover::after {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
}

.scenario-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.scenario-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.scenario-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 210, 255, 0.1);
  color: #0284c7;
}

.scenario-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.scenario-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--neon-purple);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.scenario-link:hover {
  color: var(--neon-pink);
}

/* 媒体与案例展示 */
.media-showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  margin-bottom: 40px;
}

.media-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.media-box-img-wrap {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
  background: #f1f5f9;
}

.media-box-img-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.media-box-img-wrap.square img {
  aspect-ratio: 1/1;
}

.media-box:hover img {
  transform: scale(1.03);
}

.media-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.media-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.banner-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.banner-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.banner-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s;
}

.banner-item:hover img {
  transform: scale(1.05);
}

/* 标准工作流程 */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  text-align: center;
}

.step-number {
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #ffffff;
  font-weight: 800;
  border-radius: 50%;
  margin: 0 auto 18px;
  box-shadow: 0 4px 10px rgba(0, 210, 255, 0.3);
}

.process-step h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 对比评测高光板块 */
.eval-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(0, 210, 255, 0.4);
  box-shadow: var(--shadow-neon);
  padding: 40px;
  margin-bottom: 40px;
  background: radial-gradient(circle at top right, rgba(0, 210, 255, 0.05), #ffffff);
}

.eval-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 30px;
}

.eval-score-badge {
  display: flex;
  align-items: center;
  gap: 16px;
}

.score-big {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #00d2ff, #7928ca);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.score-details {
  display: flex;
  flex-direction: column;
}

.score-stars {
  color: #ffaa00;
  font-size: 1.3rem;
  letter-spacing: 2px;
}

.score-desc {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid #e2e8f0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 650px;
  background: #ffffff;
}

.comparison-table th, .comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid #edf2f7;
  font-size: 0.95rem;
}

.comparison-table th {
  background: #f8fafc;
  color: var(--text-primary);
  font-weight: 700;
}

.comparison-table td.brand-col {
  font-weight: 700;
  color: var(--neon-purple);
  background: rgba(0, 210, 255, 0.04);
}

.comparison-table td.highlight-cell {
  color: #059669;
  font-weight: 600;
}

/* Token比价参考表 */
.token-table-wrap {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.token-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.token-table th, .token-table td {
  padding: 16px 22px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.95rem;
}

.token-table th {
  background: #f8fafc;
  color: var(--text-primary);
  font-weight: 700;
}

.price-tag {
  color: #e11d48;
  font-weight: 700;
}

/* 代理加盟政策 */
.agent-banner {
  background: linear-gradient(135deg, #0b132b 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 46px;
  color: #ffffff;
  border: 1px solid rgba(0, 210, 255, 0.3);
  box-shadow: 0 15px 30px rgba(11, 19, 43, 0.25);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: center;
}

.agent-content h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #ffffff;
}

.agent-content p {
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.agent-perks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.agent-perk-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.agent-perk-item strong {
  color: var(--neon-cyan);
  display: block;
  margin-bottom: 4px;
  font-size: 1.05rem;
}

/* 用户评论板块 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon);
  border-color: var(--neon-cyan);
}

.review-stars {
  color: #ffaa00;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

.reviewer-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.reviewer-info h5 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
}

.reviewer-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FAQ 折叠面板 */
.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item.active {
  border-color: var(--neon-cyan);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.1);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--neon-cyan);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--neon-pink);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: #fbfcfe;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

/* 行业资讯 & 最新文章 */
.articles-wrapper {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.article-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.article-url-chip {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: var(--neon-purple);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
}

.article-url-chip:hover {
  background: rgba(121, 40, 202, 0.08);
  border-color: var(--neon-purple);
}

/* 需求匹配与表单 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 40px;
}

.contact-info-panel h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.contact-info-panel p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.98rem;
}

.contact-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-detail-item strong {
  color: var(--text-primary);
  min-width: 80px;
}

.qrcode-box {
  display: inline-block;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.qrcode-box img {
  width: 140px;
  height: 140px;
  object-fit: contain;
}

.qrcode-label {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 600;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: #ffffff;
  transition: all 0.25s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.2);
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(121, 40, 202, 0.4);
}

/* 页脚 */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 60px 0 30px;
  border-top: 2px solid var(--neon-cyan);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 16px;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
  border-left: 3px solid var(--neon-cyan);
  padding-left: 8px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links-list a:hover {
  color: var(--neon-cyan);
  padding-left: 4px;
}

.footer-friendlinks {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.friendlink-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-friendlinks a {
  color: #94a3b8;
  font-size: 0.88rem;
}

.footer-friendlinks a:hover {
  color: var(--neon-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* 浮动操作条 */
.floating-widget {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid rgba(0, 210, 255, 0.4);
  box-shadow: 0 4px 15px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-purple);
  cursor: pointer;
  transition: all 0.25s ease;
  font-size: 1.1rem;
}

.float-btn:hover {
  background: var(--neon-cyan);
  color: #ffffff;
  box-shadow: 0 0 15px var(--neon-cyan);
  transform: translateY(-3px);
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .services-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .platform-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .agent-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }
  .header-cta .btn-secondary {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-desc {
    font-size: 1.05rem;
  }
  .section {
    padding: 50px 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .services-matrix {
    grid-template-columns: 1fr;
  }
  .platform-overview-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .media-showcase-grid {
    grid-template-columns: 1fr;
  }
  .banner-strip {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}