/* =========================================================
   免费吃瓜｜零门槛黑料资讯 - 全站样式表
   设计语言：渐变主色 + 卡片化布局 + 微动效
   ========================================================= */

:root {
  --primary: #e63946;
  --primary-dark: #b02a35;
  --accent: #ff6b35;
  --accent-2: #ffb703;
  --dark: #1b1c2b;
  --dark-2: #26283c;
  --light: #f7f8fc;
  --white: #ffffff;
  --text: #2f3036;
  --muted: #7a7d8a;
  --border: #e8e9f0;
  --gradient: linear-gradient(135deg, #e63946 0%, #ff6b35 100%);
  --gradient-soft: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(255, 107, 53, 0.08));
  --shadow-sm: 0 2px 12px rgba(27, 28, 43, 0.06);
  --shadow: 0 12px 36px rgba(27, 28, 43, 0.12);
  --shadow-lg: 0 24px 64px rgba(27, 28, 43, 0.18);
  --radius: 18px;
  --radius-sm: 10px;
  --max-w: 1200px;
  --header-h: 72px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.32);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(230, 57, 70, 0.42);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}

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

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(27, 28, 43, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(27, 28, 43, 0.18);
  transition: background 0.3s ease;
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.5px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 6px 16px rgba(230, 57, 70, 0.4);
}

.brand span.brand-text em {
  font-style: normal;
  color: var(--accent-2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  position: relative;
  display: block;
  padding: 10px 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.3s ease, background 0.3s ease;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-links a.active {
  color: var(--white);
  background: var(--gradient);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, top 0.3s ease;
}

.nav-toggle span {
  top: 20px;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-open .nav-toggle span {
  background: transparent;
}

.nav-open .nav-toggle span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-open .nav-toggle span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- Hero 主视觉 ---------- */
.hero {
  position: relative;
  padding: 96px 0 88px;
  background: var(--gradient-dark);
  overflow: hidden;
  color: var(--white);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}

.hero::before {
  width: 520px;
  height: 520px;
  background: rgba(230, 57, 70, 0.5);
  top: -160px;
  right: -80px;
}

.hero::after {
  width: 420px;
  height: 420px;
  background: rgba(255, 107, 53, 0.45);
  bottom: -160px;
  left: -60px;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 14px;
  margin-bottom: 22px;
}

.hero-badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ecc71;
  box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.25);
}

.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.2;
  font-weight: 900;
  margin-bottom: 22px;
  letter-spacing: 1px;
}

.hero h1 em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 34px;
}

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

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

.hero-stats .stat b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-2);
}

.hero-stats .stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
}

.hero-media {
  position: relative;
}

.hero-media .img-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255, 255, 255, 0.18);
  animation: floaty 6s ease-in-out infinite;
}

.hero-media .img-frame img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.hero-float-card {
  position: absolute;
  background: var(--white);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.hero-float-card b {
  display: block;
  font-size: 18px;
  color: var(--primary);
}

.hero-float-card.top {
  top: 26px;
  left: -20px;
  animation: floaty 5s ease-in-out infinite;
}

.hero-float-card.bottom {
  bottom: 30px;
  right: -14px;
  animation: floaty 7s ease-in-out infinite;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- 区块通用 ---------- */
.section {
  padding: 88px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  background: var(--gradient-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -10px;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient);
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
  margin-top: 18px;
}

/* ---------- 核心特性 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 30px;
  font-weight: 800;
  transition: background 0.35s ease, color 0.35s ease, transform 0.35s ease;
}

.feature-card:hover .feature-icon {
  background: var(--gradient);
  color: var(--white);
  transform: rotate(-6deg) scale(1.06);
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 分类服务 ---------- */
.services {
  background: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

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

.service-media {
  position: relative;
  overflow: hidden;
}

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

.service-card:hover .service-media img {
  transform: scale(1.08);
}

.service-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(27, 28, 43, 0.72);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
}

.service-body {
  padding: 24px;
}

.service-body h3 {
  font-size: 19px;
  color: var(--dark);
  margin-bottom: 8px;
}

.service-body p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}

.service-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

.service-link:hover {
  gap: 12px;
}

/* ---------- 热门猛料 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

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

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

.news-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.07);
}

.news-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--gradient);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
}

.news-body {
  padding: 22px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}

.news-body h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.news-body h3 a {
  color: var(--dark);
  transition: color 0.3s ease;
}

.news-body h3 a:hover {
  color: var(--primary);
}

.news-body p {
  font-size: 14px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.section-more {
  text-align: center;
  margin-top: 48px;
}

/* ---------- 详细介绍区 ---------- */
.about-preview {
  background: var(--light);
}

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

.about-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-content h2 {
  font-size: clamp(26px, 3vw, 36px);
  color: var(--dark);
  margin-bottom: 16px;
  font-weight: 800;
}

.about-content h2 em {
  font-style: normal;
  color: var(--primary);
}

.about-content > p {
  color: var(--muted);
  margin-bottom: 18px;
  font-size: 15px;
}

.about-points {
  margin: 22px 0 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-2);
}

.about-points li::before {
  content: "✓";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

/* ---------- 数据统计 ---------- */
.stats-band {
  background: var(--gradient);
  padding: 60px 0;
  color: var(--white);
}

.stats-band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item b {
  display: block;
  font-size: 40px;
  font-weight: 900;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 15px;
  opacity: 0.88;
}

/* ---------- FAQ 常见问题 ---------- */
.faq {
  background: var(--white);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item.open {
  box-shadow: var(--shadow-sm);
  border-color: rgba(230, 57, 70, 0.4);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
}

.faq-q .faq-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  background: var(--gradient);
  color: var(--white);
}

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

.faq-a-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}

.faq-a-inner p + p {
  margin-top: 8px;
}

/* ---------- CTA 行动号召 ---------- */
.cta {
  position: relative;
  padding: 80px 0;
  background: var(--gradient-dark);
  color: var(--white);
  text-align: center;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.35);
  filter: blur(70px);
  top: -120px;
  left: 10%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.cta h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  font-size: 16px;
}

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

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient);
}

.footer-col p {
  font-size: 14px;
  line-height: 1.9;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-col ul a:hover {
  color: var(--accent-2);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom b {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 页面 Hero 变体 ---------- */
.page-hero {
  padding: 84px 0 64px;
  background: var(--gradient-dark);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: rgba(230, 57, 70, 0.4);
  filter: blur(70px);
  top: -140px;
  right: -60px;
}

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

.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight: 900;
  margin-bottom: 14px;
}

.page-hero h1 em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
}

.breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
  color: var(--accent-2);
}

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

.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 30px;
}

.article-cover img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}

.article-body h2 {
  font-size: 24px;
  color: var(--dark);
  margin: 34px 0 14px;
}

.article-body h3 {
  font-size: 19px;
  color: var(--dark);
  margin: 26px 0 12px;
}

.article-body p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 2;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--gradient-soft);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  margin: 22px 0;
  color: var(--dark-2);
  font-size: 15px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.article-tags span {
  padding: 6px 16px;
  border-radius: 50px;
  background: var(--gradient-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

/* ---------- 列表页筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

.filter-btn.active {
  background: var(--gradient);
  color: var(--white);
  border-color: transparent;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 44px;
}

.pagination a,
.pagination span {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text);
  transition: all 0.3s ease;
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .current {
  background: var(--gradient);
  color: var(--white);
  border-color: transparent;
}

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

.plan-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 30px;
  text-align: center;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
}

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

.plan-card.hot {
  border-color: transparent;
  background: var(--gradient-dark);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.plan-ribbon {
  position: absolute;
  top: 18px;
  right: -34px;
  transform: rotate(45deg);
  background: var(--gradient);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 40px;
}

.plan-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.plan-price {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 20px;
}

.plan-card.hot .plan-price {
  color: rgba(255, 255, 255, 0.75);
}

.plan-price b {
  font-size: 42px;
  color: var(--primary);
  font-weight: 900;
}

.plan-card.hot .plan-price b {
  color: var(--accent-2);
}

.plan-features {
  text-align: left;
  margin: 22px 0 28px;
  display: grid;
  gap: 12px;
}

.plan-features li {
  display: flex;
  gap: 10px;
  font-size: 14px;
}

.plan-features li::before {
  content: "✓";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--primary);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}

.plan-card.hot .plan-features li::before {
  background: rgba(255, 183, 3, 0.2);
  color: var(--accent-2);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.contact-info-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 34px;
}

.contact-info-card h3 {
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 22px;
}

.contact-method {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--border);
}

.contact-method:last-of-type {
  border-bottom: none;
}

.contact-method .cm-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
}

.contact-method b {
  display: block;
  font-size: 15px;
  color: var(--dark);
}

.contact-method span {
  font-size: 14px;
  color: var(--muted);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-sm);
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--light);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.12);
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- 关于页 ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

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

.value-card .value-num {
  font-size: 34px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.value-card h3 {
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 滚动渐入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-fade {
  animation: heroFadeUp 0.9s ease both;
}

.hero-fade-1 { animation-delay: 0.1s; }
.hero-fade-2 { animation-delay: 0.25s; }
.hero-fade-3 { animation-delay: 0.4s; }

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--gradient);
  color: var(--white);
  font-size: 20px;
  box-shadow: 0 10px 26px rgba(230, 57, 70, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s ease;
  z-index: 999;
}

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

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

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { max-width: 560px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--dark-2);
    padding: 16px 20px 24px;
    gap: 6px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
    box-shadow: var(--shadow);
  }
  .nav-open .nav-links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links a { padding: 12px 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .features-grid,
  .services-grid,
  .news-grid,
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-stats { gap: 22px; }
  .stats-band-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-points { grid-template-columns: 1fr; }
  .hero-float-card.top { left: 4px; }
  .hero-float-card.bottom { right: 4px; }
  .article-cover img { height: 260px; }
  .hero-media .img-frame img { height: 300px; }
  .about-media img { height: 300px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
}