/* ==========================================================
   河马剧场 - 官网全局样式表
   设计语言：剧场灯光感 · 深紫底色 + 橙金渐变
   响应式：桌面 / 平板 / 手机
   ========================================================== */

:root {
  --color-bg: #0e0b1e;
  --color-bg-light: #171233;
  --color-bg-card: #1d1640;
  --color-primary: #ff7a3d;
  --color-primary-deep: #ff3d5e;
  --color-gold: #ffc24b;
  --color-accent: #8b5cf6;
  --color-text: #f4f1ff;
  --color-text-muted: #b8aee0;
  --color-border: rgba(255, 255, 255, 0.12);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 90, 60, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(255, 90, 60, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-primary));
  color: #14101f;
  box-shadow: 0 8px 22px rgba(255, 194, 75, 0.35);
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(255, 194, 75, 0.5);
}

/* ---------- 导航栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(14, 11, 30, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 1px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 90, 60, 0.4);
}

.brand-name {
  background: linear-gradient(90deg, var(--color-gold), var(--color-primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 15px;
  color: var(--color-text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

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

.nav-cta {
  padding: 9px 22px;
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 0 120px;
  background:
    radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.25), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(255, 122, 61, 0.22), transparent 40%),
    radial-gradient(circle at 60% 90%, rgba(255, 61, 94, 0.18), transparent 45%),
    linear-gradient(180deg, #0e0b1e, #171233);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.8), transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255, 122, 61, 0.14);
  border: 1px solid rgba(255, 122, 61, 0.4);
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
  animation: fadeDown 0.8s ease both;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.2;
  font-weight: 900;
  margin-bottom: 22px;
  animation: fadeDown 0.9s 0.1s ease both;
}

.hero h1 .grad {
  background: linear-gradient(90deg, var(--color-gold), var(--color-primary), var(--color-primary-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 34px;
  animation: fadeDown 0.9s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeDown 0.9s 0.3s ease both;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 40px;
  animation: fadeDown 0.9s 0.4s ease both;
}

.hero-meta span {
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-visual {
  position: relative;
  animation: fadeUp 1s 0.2s ease both;
}

.hero-visual img {
  border-radius: 22px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--color-border);
}

.hero-float {
  position: absolute;
  padding: 14px 20px;
  background: rgba(29, 22, 64, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floatY 3.5s ease-in-out infinite;
}

.hero-float.top {
  top: -20px;
  right: -12px;
}

.hero-float.bottom {
  bottom: 30px;
  left: -18px;
  animation-delay: 1.2s;
}

.hero-float .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary);
}

/* ---------- 区块通用 ---------- */
.section {
  padding: 96px 0;
}

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

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--color-text-muted);
}

/* ---------- 特性 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

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

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 122, 61, 0.4);
}

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

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 122, 61, 0.2), rgba(139, 92, 246, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

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

/* ---------- 服务介绍 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: linear-gradient(180deg, var(--color-bg-card), rgba(23, 18, 51, 0.9));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(139, 92, 246, 0.5);
}

.service-card img {
  height: 210px;
  width: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover img {
  transform: scale(1.06);
}

.service-body {
  padding: 26px;
}

.service-body h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.service-body p {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.link-more {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.link-more:hover {
  color: var(--color-gold);
  gap: 10px;
}

/* ---------- 短剧卡片 ---------- */
.drama-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.drama-card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.drama-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 122, 61, 0.45);
}

.drama-cover {
  position: relative;
  overflow: hidden;
}

.drama-cover img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.drama-card:hover .drama-cover img {
  transform: scale(1.08);
}

.drama-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.drama-info {
  padding: 20px;
}

.drama-info h3 {
  font-size: 17px;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drama-info .drama-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 90px 0;
  text-align: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 122, 61, 0.28), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.28), transparent 45%),
    var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta p {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 34px;
}

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

/* ---------- 资讯 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-body {
  padding: 24px;
}

.news-date {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.news-body h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
}

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

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0a0818;
  border-top: 1px solid var(--color-border);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-about p {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--color-text);
}

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

.footer-col ul a {
  color: var(--color-text-muted);
  font-size: 14px;
}

.footer-col ul a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact li {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-bottom .footer-links {
  margin-top: 6px;
  display: flex;
  justify-content: center;
  gap: 16px;
}

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

/* ---------- 页面头部横幅（内页 hero 变体） ---------- */
.page-hero {
  padding: 90px 0 80px;
  text-align: center;
  background:
    radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.22), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 122, 61, 0.2), transparent 40%),
    linear-gradient(180deg, #0e0b1e, #171233);
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  margin-bottom: 14px;
  animation: fadeDown 0.8s ease both;
}

.page-hero p {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
  animation: fadeDown 0.9s 0.15s ease both;
}

.breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  color: var(--color-text-muted);
  animation: fadeDown 0.9s 0.25s ease both;
}

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

/* ---------- 通用内容区 ---------- */
.content-block {
  max-width: 860px;
  margin: 0 auto;
}

.content-block h3 {
  font-size: 24px;
  margin: 40px 0 16px;
  color: var(--color-gold);
}

.content-block p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.content-block ul {
  color: var(--color-text-muted);
  padding-left: 20px;
  list-style: disc;
  margin-bottom: 16px;
}

.content-block ul li {
  margin-bottom: 8px;
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 18px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 122, 61, 0.4);
}

.contact-icon {
  font-size: 28px;
  line-height: 1.2;
}

.contact-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--color-text-muted);
  font-size: 14px;
}

.contact-form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 34px;
}

.contact-form-wrap h3 {
  font-size: 22px;
  margin-bottom: 22px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 122, 61, 0.15);
}

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

.form-tip {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 10px;
}

.form-success {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  background: rgba(60, 200, 120, 0.12);
  border: 1px solid rgba(60, 200, 120, 0.4);
  color: #6fe3a0;
  font-size: 14px;
  margin-bottom: 16px;
}

.form-success.show {
  display: block;
  animation: fadeDown 0.4s ease both;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(255, 122, 61, 0.5);
}

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

.faq-question .faq-icon {
  font-size: 20px;
  color: var(--color-primary);
  transition: transform 0.3s 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 20px;
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ---------- 产品筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
}

.filter-btn {
  padding: 9px 24px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(255, 122, 61, 0.1);
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 50px;
}

.pagination a,
.pagination span {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 14px;
}

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

.pagination .current {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  color: #fff;
  border-color: transparent;
}

/* ---------- 资讯详情 ---------- */
.article {
  max-width: 820px;
  margin: 0 auto;
}

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

.article-header .news-date {
  font-size: 13px;
}

.article-header h2 {
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 900;
  margin: 10px 0;
  line-height: 1.4;
}

.article-header .article-author {
  color: var(--color-text-muted);
  font-size: 13px;
}

.article-cover {
  border-radius: var(--radius);
  margin-bottom: 36px;
  border: 1px solid var(--color-border);
}

.article-body {
  color: var(--color-text-muted);
}

.article-body h3 {
  color: var(--color-gold);
  font-size: 22px;
  margin: 34px 0 14px;
}

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

.article-body ul {
  padding-left: 20px;
  list-style: disc;
  margin-bottom: 18px;
}

.article-body ul li {
  margin-bottom: 8px;
}

.related-title {
  margin-top: 60px;
  text-align: center;
  font-size: 26px;
  font-weight: 900;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 18px;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
}

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

.back-top:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------- 动画 ---------- */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.reveal {
  opacity: 0;
  transform: translateY(36px);
  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;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .drama-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(14, 11, 30, 0.97);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .nav-links.open {
    max-height: 420px;
    padding-bottom: 18px;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding: 80px 0 90px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-float.top {
    right: 6px;
  }

  .hero-float.bottom {
    left: 6px;
  }

  .features-grid,
  .drama-grid,
  .news-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .back-top {
    right: 16px;
    bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}