/* ==========================================================================
   慧从网 - 发稿平台 主样式文件
   配色：小清新淡蓝色调
   ========================================================================== */

:root {
  --color-primary: #4A9FE0;
  --color-primary-light: #7FC1F5;
  --color-primary-dark: #2E7BC4;
  --color-secondary: #E8F4FD;
  --color-accent: #FF7B54;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5FAFF;
  --color-bg-blue: #EAF6FF;
  --color-text: #2C3E50;
  --color-text-light: #6B7C93;
  --color-text-muted: #96A5B8;
  --color-border: #D9EBFA;
  --color-white: #FFFFFF;
  --gradient-blue: linear-gradient(135deg, #6FC3F7 0%, #3E8FDB 100%);
  --gradient-light: linear-gradient(135deg, #EAF6FF 0%, #F5FAFF 100%);
  --shadow-sm: 0 2px 8px rgba(74, 159, 224, 0.08);
  --shadow-md: 0 4px 20px rgba(74, 159, 224, 0.12);
  --shadow-lg: 0 8px 32px rgba(74, 159, 224, 0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-bg-soft);
}

/* ---------- 通用标题 ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  font-size: 13px;
  color: var(--color-primary-dark);
  background: var(--color-bg-blue);
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-primary-light);
}

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

.btn-white {
  background: var(--color-white);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 16px 42px;
  font-size: 16px;
}

/* ==========================================================================
   顶部头部
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-list {
  display: flex;
  gap: 36px;
}

.nav-list a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary-dark);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-sm {
  padding: 9px 22px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 6px;
}

.menu-toggle span {
  height: 2px;
  width: 100%;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* 移动端导航面板默认隐藏，避免在 PC 端显示为重复菜单 */
.mobile-nav {
  display: none;
}


/* ==========================================================================
   Hero 区域
   ========================================================================== */
.hero {
  position: relative;
  background: var(--gradient-light);
  padding: 90px 0 150px;
  overflow: hidden;
}


.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(111, 195, 247, 0.35), transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -160px;
  left: -100px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(74, 159, 224, 0.2), transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 22px;
}

.hero-title .highlight {
  color: var(--color-primary-dark);
  position: relative;
}

.hero-title .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 10px;
  background: rgba(111, 195, 247, 0.35);
  z-index: -1;
}

.hero-desc {
  font-size: 17px;
  color: var(--color-text-light);
  margin-bottom: 34px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-float-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}

.hero-float-card.card-1 {
  top: 10%;
  left: -8%;
}

.hero-float-card.card-2 {
  bottom: 8%;
  right: -6%;
}

.hero-float-card .icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  font-size: 16px;
}

/* ==========================================================================
   优势/特色区块
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  border-radius: 18px;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 28px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-desc {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ==========================================================================
   价格对比 / 优势条
   ========================================================================== */
.price-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.compare-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.compare-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
}

.compare-item.highlight {
  background: var(--gradient-blue);
  color: var(--color-white);
}

.compare-item .label {
  font-weight: 600;
}

.compare-item .value {
  font-weight: 800;
  font-size: 18px;
}

.price-info-title {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 18px;
}

.price-info-desc {
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
}

.check-list .check-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-bg-blue);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

/* ==========================================================================
   流程 步骤
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.step-item {
  position: relative;
  text-align: center;
  padding: 0 20px;
}

.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  position: relative;
  z-index: 2;
}

.steps-grid .step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 28px;
  left: 60%;
  width: 80%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-primary-light) 0, var(--color-primary-light) 6px, transparent 6px, transparent 12px);
  z-index: 1;
}

.step-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ==========================================================================
   媒体资源展示
   ========================================================================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.media-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.media-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.media-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 12px;
  background: var(--color-bg-blue);
  object-fit: cover;
}

.media-name {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.media-price {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 700;
}

/* ==========================================================================
   价格表 media.html 专用
   ========================================================================== */
.price-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
  align-items: center;
  justify-content: space-between;
}

.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: var(--color-bg-soft);
  color: var(--color-text-light);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-tab:hover {
  color: var(--color-primary-dark);
}

.filter-tab.active {
  background: var(--gradient-blue);
  color: var(--color-white);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 18px;
  min-width: 260px;
}

.search-box input {
  border: none;
  outline: none;
  font-size: 14px;
  width: 100%;
  background: transparent;
  color: var(--color-text);
}

.price-table-wrap {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table thead {
  background: var(--gradient-blue);
  color: var(--color-white);
}

.price-table th {
  padding: 18px 20px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.price-table td {
  padding: 16px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.price-table tbody tr {
  transition: background 0.2s ease;
}

.price-table tbody tr:hover {
  background: var(--color-bg-soft);
}

.price-table tbody tr:last-child td {
  border-bottom: none;
}

.tag-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-bg-blue);
  color: var(--color-primary-dark);
}

.tag-badge.hot {
  background: #FFEDE5;
  color: var(--color-accent);
}

.price-num {
  font-weight: 800;
  color: var(--color-primary-dark);
  font-size: 15px;
}

.price-old {
  text-decoration: line-through;
  color: var(--color-text-muted);
  font-size: 12px;
  margin-left: 6px;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
}

.page-item {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-light);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.page-item.active,
.page-item:hover {
  background: var(--gradient-blue);
  color: var(--color-white);
  border-color: transparent;
}

/* ==========================================================================
   CTA / 强调区块
   ========================================================================== */
.cta {
  background: var(--gradient-blue);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-desc {
  font-size: 16px;
  opacity: 0.92;
  margin-bottom: 30px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ==========================================================================
   优势数字统计
   ========================================================================== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 44px 20px;
  margin-top: -110px;
  position: relative;
  z-index: 3;
}

.stats-item {
  text-align: center;
  border-right: 1px solid var(--color-border);
}

.stats-item:last-child {
  border-right: none;
}

.stats-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.stats-label {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 6px;
}

/* ==========================================================================
   评价 / 案例
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.testimonial-stars {
  color: #FFB800;
  font-size: 14px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.8;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-blue);
  object-fit: cover;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 700;
}

.testimonial-role {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.faq-question .icon {
  transition: transform 0.3s ease;
  color: var(--color-primary);
  font-size: 20px;
}

.faq-item.open .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 26px 22px;
  font-size: 14px;
  color: var(--color-text-light);
}

/* ==========================================================================
   关于我们页面
   ========================================================================== */
.page-banner {
  background: var(--gradient-light);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(111, 195, 247, 0.3), transparent 70%);
  border-radius: 50%;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.breadcrumb a {
  color: var(--color-primary-dark);
}

.page-banner-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--color-text);
  position: relative;
  z-index: 2;
}

.page-banner-desc {
  font-size: 16px;
  color: var(--color-text-light);
  margin-top: 12px;
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.about-title {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 20px;
}

.about-desc {
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-dot {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

.timeline-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--color-text-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 20px;
}

.team-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--color-bg-blue);
  object-fit: cover;
}

.team-name {
  font-size: 16px;
  font-weight: 700;
}

.team-role {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
  background: #1B2B3A;
  color: #B9C7D6;
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  display: block;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #8FA3B8;
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-contact {
  font-size: 14px;
  color: #8FA3B8;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: #8FA3B8;
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding: 28px 0;
  text-align: center;
}

.footer-copy {
  font-size: 13px;
  color: #6E8199;
  line-height: 2;
}

.footer-copy a {
  color: #8FA3B8;
}

.footer-copy a:hover {
  color: var(--color-primary-light);
}

.footer-beian {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 8px;
}

/* ==========================================================================
   浮动客服按钮
   ========================================================================== */
.float-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: transform 0.3s ease;
}

.float-btn:hover {
  transform: scale(1.08);
}

/* ==========================================================================
   图片占位符（开发阶段使用，标注建议尺寸，方便后期用 AI 生成图片替换）
   ========================================================================== */
.img-placeholder {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: repeating-linear-gradient(
    45deg,
    var(--color-bg-blue),
    var(--color-bg-blue) 10px,
    #DEF0FC 10px,
    #DEF0FC 20px
  );
  border: 1.5px dashed var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary-dark);
  text-align: center;
  overflow: hidden;
}

.img-placeholder .ph-icon {
  font-size: 28px;
  opacity: 0.7;
}

.img-placeholder .ph-text {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  padding: 0 12px;
  word-break: break-all;
}

.img-placeholder.round {
  border-radius: 50%;
}

/* ==========================================================================
   工具类
   ========================================================================== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }


/* ==========================================================================
   动画
   ========================================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   响应式：平板
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: 38px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .steps-grid .step-item::after { display: none; }
  .media-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stats-item:nth-child(2n) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ==========================================================================
   响应式：移动端 H5
   ========================================================================== */
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .container { padding: 0 18px; }

  .nav-list,
  .header-actions .btn-outline {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .header-inner { height: 62px; }

  .logo { font-size: 18px; }
  .logo img { height: 32px; }

  .mobile-nav {
    display: block;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    overflow-y: auto;
  }


  .mobile-nav.open {
    transform: translateX(0);
  }

  .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-nav-list a {
    display: block;
    padding: 16px 4px;
    font-size: 17px;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
  }

  .mobile-nav-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
  }

  .mobile-nav-actions .btn {
    flex: 1;
  }

  .hero {
    padding: 44px 0 56px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 15px; max-width: 100%; }
  .hero-actions { flex-wrap: wrap; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-float-card { display: none; }
  .hero-visual { order: -1; }

  .section-title { font-size: 24px; }
  .section-desc { font-size: 14px; }
  .section-head { margin-bottom: 36px; }

  .features-grid,
  .media-grid,
  .testimonial-grid,
  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .feature-card { padding: 24px 16px; }
  .feature-icon { width: 52px; height: 52px; font-size: 22px; }

  .steps-grid { grid-template-columns: 1fr; gap: 28px; }

  .price-compare { grid-template-columns: 1fr; gap: 24px; }
  .compare-card { padding: 24px; }
  .price-info-title { font-size: 22px; }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 24px;
    padding: 28px 14px;
    gap: 20px;
  }
  .stats-item:nth-child(2n) { border-right: none; }
  .stats-item { border-right: none; border-bottom: 1px solid var(--color-border); padding-bottom: 16px; }
  .stats-item:nth-last-child(-n+2) { border-bottom: none; padding-bottom: 0; }
  .stats-num { font-size: 26px; }

  .cta { padding: 40px 24px; }
  .cta-title { font-size: 22px; }
  .cta-actions { flex-direction: column; }

  .price-toolbar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: 100%; }
  .price-table-wrap { overflow-x: auto; }
  .price-table { min-width: 640px; }

  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-title { font-size: 24px; }

  .page-banner-title { font-size: 26px; }

  .footer-top { grid-template-columns: 1fr; gap: 28px; text-align: left; }
  .float-btn { right: 16px; bottom: 16px; width: 48px; height: 48px; font-size: 18px; }
}

@media (max-width: 480px) {
  .features-grid,
  .media-grid,
  .testimonial-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar { grid-template-columns: 1fr; }
  .stats-item { border-bottom: 1px solid var(--color-border); padding-bottom: 16px; }
  .stats-item:last-child { border-bottom: none; padding-bottom: 0; }
}