/* ==========================================================================
   爱情岛 - 爱情岛论坛 - 爱情岛2026最新网址
   样式表 style.css
   主题：爱情 / 情感社区
   说明：本样式表已针对百度清风算法、闪电算法、细雨算法进行适配：
   - 页面结构清晰、标题层级合理、内容原创可读
   - 首屏资源精简、字体与图片懒加载，提升加载速度（闪电算法）
   - 移动端优先响应式布局，避免内容堆砌与弹窗遮挡（细雨算法）
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 主色系：玫瑰粉 / 珊瑚红 */
  --primary: #e75480;
  --primary-dark: #c9476b;
  --primary-deep: #b23a5e;
  --primary-light: #ff8fab;
  --accent: #ffb199;
  --gradient-main: linear-gradient(135deg, #ff9a9e 0%, #fecfef 45%, #ffb199 100%);
  --gradient-deep: linear-gradient(135deg, #c9476b 0%, #e75480 55%, #ff8fab 100%);
  --gradient-soft: linear-gradient(135deg, #fff0f4 0%, #ffe8ef 100%);

  /* 中性色 */
  --dark: #2b1b2f;
  --dark-2: #3a243f;
  --text: #52404c;
  --text-light: #8a7380;
  --bg: #fffbfc;
  --bg-soft: #fff6f8;
  --card: #ffffff;
  --border: #f3dde4;

  /* 状态色 */
  --success: #2fbf71;
  --warning: #f5a623;
  --info: #4a90d9;

  /* 尺寸 */
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 4px 14px rgba(231, 84, 128, 0.08);
  --shadow: 0 12px 32px rgba(231, 84, 128, 0.14);
  --shadow-lg: 0 24px 56px rgba(231, 84, 128, 0.22);

  /* 字体 */
  --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-head: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

/* ---------- 2. 重置与基础 ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-deep);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  color: var(--dark);
  line-height: 1.35;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  letter-spacing: 1px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.section-pad {
  padding: 88px 0;
}

/* ---------- 3. 工具类 ---------- */
.text-center {
  text-align: center;
}

.section-title {
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-sub {
  max-width: 720px;
  margin: 0 auto 48px;
  color: var(--text-light);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 30px;
  background: var(--gradient-soft);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 18px;
}

.divider {
  width: 72px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-main);
  margin: 18px auto 0;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.35s ease;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--gradient-deep);
  color: #fff;
  box-shadow: 0 10px 24px rgba(231, 84, 128, 0.35);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(231, 84, 128, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-4px);
}

.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  transform: translateY(-4px);
  color: var(--primary-deep);
}

/* ---------- 4. 导航栏 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 251, 252, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 6px 24px rgba(43, 27, 47, 0.08);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--dark);
  white-space: nowrap;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--gradient-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 6px 16px rgba(231, 84, 128, 0.35);
  flex-shrink: 0;
}

.brand-text {
  line-height: 1.25;
}

.brand-text small {
  display: block;
  font-size: 0.72rem;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a {
  padding: 10px 18px;
  border-radius: 30px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.97rem;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-dark);
  background: var(--gradient-soft);
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 4px;
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-main);
}

.nav-cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background: var(--dark);
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- 5. Hero 主视觉区 ---------- */
.hero {
  position: relative;
  padding: 150px 0 110px;
  background: var(--gradient-soft);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -100px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 143, 171, 0.35), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 177, 153, 0.3), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  margin-bottom: 22px;
  background: var(--gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero p.lead {
  font-size: 1.12rem;
  color: var(--text-light);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.stat-item {
  position: relative;
}

.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--border);
}

.stat-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary-dark);
  font-family: var(--font-head);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  width: 100%;
}

.float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatY 4.5s ease-in-out infinite;
}

.float-card .fc-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-soft);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.float-card .fc-text {
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.4;
}

.float-card .fc-text strong {
  display: block;
  color: var(--dark);
}

.fc-1 {
  top: -24px;
  left: -28px;
}

.fc-2 {
  bottom: 44px;
  right: -20px;
  animation-delay: 1.2s;
}

/* ---------- 6. 特性 / 服务卡片 ---------- */
.features {
  background: var(--bg);
}

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

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
  transition: transform 0.4s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.12) rotate(-6deg);
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ---------- 7. 详细内容区 ---------- */
.detail-section {
  background: var(--bg-soft);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  align-items: center;
}

.detail-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.detail-list {
  margin: 22px 0;
  display: grid;
  gap: 14px;
}

.detail-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.check-mark {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 3px;
}

/* 统计数字条 */
.stats-band {
  margin-top: 56px;
  background: var(--gradient-deep);
  border-radius: var(--radius-lg);
  padding: 46px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  color: #fff;
}

.stats-band .stat-num {
  color: #fff;
}

.stats-band .stat-label {
  color: rgba(255, 255, 255, 0.82);
}

/* ---------- 8. 新闻区 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.news-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.news-thumb {
  position: relative;
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.08);
}

.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--gradient-deep);
  color: #fff;
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 20px;
  font-weight: 600;
}

.news-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.news-body h3 {
  margin-bottom: 12px;
}

.news-body p {
  color: var(--text-light);
  font-size: 0.94rem;
  margin-bottom: 16px;
  flex: 1;
}

.read-more {
  font-weight: 600;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more:hover {
  gap: 10px;
}

/* 新闻列表（列表式） */
.news-list {
  display: grid;
  gap: 18px;
}

.news-list-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  gap: 24px;
  align-items: center;
  transition: all 0.35s ease;
}

.news-list-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(6px);
  border-color: transparent;
}

.news-list-date {
  flex-shrink: 0;
  text-align: center;
  background: var(--gradient-soft);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  min-width: 84px;
}

.news-list-date .d {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.1;
}

.news-list-date .m {
  font-size: 0.8rem;
  color: var(--text-light);
}

.news-list-info h3 {
  margin-bottom: 6px;
}

.news-list-info p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ---------- 9. 文章详情 ---------- */
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.article-head {
  text-align: center;
  margin-bottom: 40px;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 16px;
}

.article-cover {
  margin-bottom: 36px;
}

.article-cover img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  max-height: 460px;
  object-fit: cover;
}

.article-content {
  font-size: 1.04rem;
}

.article-content h3 {
  margin: 30px 0 14px;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--dark-2);
  font-style: italic;
}

.article-content ul {
  margin: 18px 0 22px;
  display: grid;
  gap: 10px;
}

.article-content ul li {
  position: relative;
  padding-left: 24px;
}

.article-content ul li::before {
  content: "♥";
  position: absolute;
  left: 0;
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* ---------- 10. FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.open {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--dark);
  font-family: var(--font-body);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
}

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform 0.35s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--text-light);
}

/* ---------- 11. CTA 行动号召 ---------- */
.cta-section {
  position: relative;
  background: var(--gradient-deep);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-section h2,
.cta-section p {
  color: #fff;
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  margin-bottom: 14px;
}

.cta-section p {
  max-width: 620px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ---------- 12. 联系表单 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}

.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 18px;
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--gradient-soft);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-card h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.contact-card p {
  color: var(--text-light);
  font-size: 0.94rem;
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 13px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  transition: all 0.3s ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(231, 84, 128, 0.12);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-tip {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-top: 6px;
}

.form-success {
  display: none;
  background: rgba(47, 191, 113, 0.12);
  border: 1px solid rgba(47, 191, 113, 0.35);
  color: #1f9d5c;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  font-size: 0.92rem;
}

/* ---------- 13. 服务 / 产品区 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card .feature-icon {
  margin: 0 auto 22px;
  width: 76px;
  height: 76px;
  font-size: 2rem;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 30px;
  background: var(--gradient-soft);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

/* 定价表 */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.price-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
}

.price-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.price-card.hot {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.price-card.hot::before {
  content: "热门推荐";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-deep);
  color: #fff;
  font-size: 0.78rem;
  padding: 6px 18px;
  border-radius: 20px;
  font-weight: 600;
  white-space: nowrap;
}

.price-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}

.price-amount {
  margin: 18px 0;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-dark);
  font-family: var(--font-head);
}

.price-amount small {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
}

.price-features {
  margin: 22px 0 28px;
  display: grid;
  gap: 10px;
  color: var(--text);
  font-size: 0.94rem;
  text-align: left;
}

.price-features li {
  display: flex;
  gap: 8px;
  align-items: center;
}

.price-features .check-mark {
  width: 20px;
  height: 20px;
  font-size: 0.68rem;
}

/* ---------- 14. 步骤流程 ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px 30px;
  text-align: center;
  transition: all 0.35s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.step-num {
  counter-increment: step;
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--gradient-deep);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
}

.step-card h3 {
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ---------- 15. 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 70px 0 0;
  margin-top: 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 48px;
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .brand-text small {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-main);
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
  transition: all 0.3s ease;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-deep);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s ease;
  z-index: 99;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  transform: translateY(-4px);
}

/* ---------- 16. 面包屑 ---------- */
.breadcrumb {
  padding: 18px 0;
  font-size: 0.88rem;
  color: var(--text-light);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.breadcrumb .container {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

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

.breadcrumb span.sep {
  color: var(--border);
}

/* ---------- 17. 页面头部（内页 Hero） ---------- */
.page-hero {
  padding: 138px 0 74px;
  background: var(--gradient-soft);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 143, 171, 0.3), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p {
  max-width: 640px;
  color: var(--text-light);
  font-size: 1.06rem;
}

/* ---------- 18. 动画 ---------- */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(34px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231, 84, 128, 0.45); }
  70% { box-shadow: 0 0 0 16px rgba(231, 84, 128, 0); }
}

.animate {
  opacity: 0;
}

.animate.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.animate.fade-in {
  animation: fadeIn 1s ease forwards;
}

.animate.delay-1 { animation-delay: 0.15s; }
.animate.delay-2 { animation-delay: 0.3s; }
.animate.delay-3 { animation-delay: 0.45s; }
.animate.delay-4 { animation-delay: 0.6s; }

/* 滚动进入视口时由 JS 添加 .visible */
.in-view {
  animation: fadeInUp 0.8s ease forwards;
}

.pulse-btn {
  animation: pulse 2.4s infinite;
}

/* 尊重用户减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 19. 响应式适配 ---------- */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid,
  .service-grid,
  .price-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    max-width: 560px;
  }
  .stats-band {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section-pad {
    padding: 64px 0;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 6px;
    box-shadow: 0 20px 40px rgba(43, 27, 47, 0.12);
    transform: translateY(-140%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-menu a {
    padding: 14px 18px;
  }
  .nav-cta {
    margin: 8px 0 0;
    text-align: center;
  }
  .detail-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid,
  .news-grid,
  .service-grid,
  .price-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .stats-band {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .fc-1 {
    left: 8px;
  }
  .fc-2 {
    right: 8px;
  }
  .cta-section {
    padding: 48px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .hero {
    padding: 120px 0 80px;
  }
  .page-hero {
    padding: 118px 0 56px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 24px;
  }
  .stat-item + .stat-item::before {
    display: none;
  }
  .news-list-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .form-card {
    padding: 26px 20px;
  }
}