/* =========================================================
   天美影视 - 高清免费在线影院
   主题：东方水墨 · 电影质感 · 深色典雅
   ========================================================= */

:root {
  --ink-900: #0d0f14;
  --ink-800: #14171f;
  --ink-700: #1c212c;
  --ink-600: #252b38;
  --ink-500: #323a4a;
  --paper: #f5f1e8;
  --paper-dim: #e8e2d2;
  --gold: #d4a843;
  --gold-light: #f0c96a;
  --jade: #6fa8a0;
  --jade-light: #a8d5cc;
  --mist: #9aa5b1;
  --text-main: #e8e4da;
  --text-sub: #b8bec7;
  --text-faint: #7d8491;
  --danger: #e06666;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.28);
  --font-serif: "Songti SC", "Noto Serif SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--ink-900);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

::selection {
  background: rgba(212, 168, 67, 0.45);
  color: #fff;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ink-800);
}
::-webkit-scrollbar-thumb {
  background: var(--ink-500);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold);
}

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

a {
  color: var(--jade-light);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--gold-light);
}

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

/* ============ 顶部工具条 ============ */
.topbar {
  background: var(--ink-800);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--text-faint);
  padding: 8px 0;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar a {
  color: var(--text-sub);
  margin-left: 16px;
}
.topbar a:hover {
  color: var(--gold-light);
}

/* ============ 导航栏 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 168, 67, 0.18);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
}
.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, var(--gold-light), var(--gold) 55%, #8a6a1f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #1a1406;
  font-weight: 700;
  box-shadow: 0 0 18px rgba(212, 168, 67, 0.45);
}
.brand-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--text-main);
}
.brand-name span {
  color: var(--gold);
}
.brand-sub {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-faint);
  font-weight: 400;
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
}
.main-nav a {
  display: block;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--gold-light);
}
.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}
.nav-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), #b8860b);
  color: #1a1406 !important;
  font-weight: 700;
  padding: 9px 20px !important;
  border-radius: 24px;
  box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(212, 168, 67, 0.5);
  color: #1a1406 !important;
}
.nav-cta::after {
  display: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 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: 90px 0 110px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(212, 168, 67, 0.14), transparent 45%),
    radial-gradient(ellipse at 85% 90%, rgba(111, 168, 160, 0.12), transparent 45%),
    linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 55%, #0a0c10 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
}
.hero .ink-mountains {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 46%;
  opacity: 0.5;
  background:
    linear-gradient(175deg, transparent 32%, rgba(32, 38, 52, 0.5) 33%, rgba(32, 38, 52, 0.5) 56%, transparent 57%),
    linear-gradient(168deg, transparent 48%, rgba(24, 30, 44, 0.75) 49%, rgba(24, 30, 44, 0.75) 70%, transparent 71%),
    linear-gradient(180deg, transparent 66%, rgba(13, 16, 22, 0.9) 67%, rgba(13, 16, 22, 0.9) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--gold);
  border: 1px solid rgba(212, 168, 67, 0.4);
  border-radius: 30px;
  padding: 6px 18px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.25;
  letter-spacing: 3px;
  margin-bottom: 22px;
  color: var(--paper);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.hero h1 .stroke {
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
}
.hero p.lead {
  font-size: clamp(15px, 2vw, 19px);
  color: var(--text-sub);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, #9a7418);
  color: #1a1406;
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(212, 168, 67, 0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 6vw, 64px);
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stats .stat {
  text-align: center;
}
.hero-stats .num {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 40px);
  color: var(--gold-light);
  font-weight: 700;
}
.hero-stats .label {
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 2px;
  margin-top: 2px;
}

/* 水墨晕染动画 */
.ink-drop {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 67, 0.1), transparent 70%);
  animation: drift 14s infinite ease-in-out;
  pointer-events: none;
}
.ink-drop.d1 { width: 240px; height: 240px; top: 12%; right: 8%; }
.ink-drop.d2 { width: 160px; height: 160px; bottom: 18%; left: 10%; animation-delay: -5s; }
.ink-drop.d3 { width: 90px; height: 90px; top: 30%; left: 22%; animation-delay: -9s; }
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
  50% { transform: translate(30px, -40px) scale(1.25); opacity: 1; }
}

/* ============ 通用区块 ============ */
.section {
  padding: 88px 0;
}
.section-alt {
  background: var(--ink-800);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-head .tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--jade);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 38px);
  color: var(--paper);
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.section-head h2 em {
  font-style: normal;
  color: var(--gold);
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
}

/* 入场动画 */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }
.reveal-delay-4 { transition-delay: 0.48s; }

/* ============ 核心特性 ============ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--ink-700);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 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(--gold), var(--jade));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.35);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: linear-gradient(145deg, var(--ink-600), var(--ink-800));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--paper);
}
.feature-card p {
  font-size: 13.5px;
  color: var(--text-sub);
}

/* ============ 影视卡片网格 ============ */
.movie-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.movie-card {
  background: var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition);
  position: relative;
}
.movie-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.4);
}
.movie-poster {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.movie-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.movie-card:hover .movie-poster img {
  transform: scale(1.08);
}
.movie-poster .badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(13, 15, 20, 0.85);
  color: var(--gold-light);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 14px;
  border: 1px solid rgba(212, 168, 67, 0.4);
  backdrop-filter: blur(4px);
}
.movie-poster .rating {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.72);
  color: var(--gold-light);
  font-weight: 700;
  font-size: 14px;
  padding: 3px 10px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
}
.movie-info {
  padding: 16px 16px 20px;
}
.movie-info h3 {
  font-size: 16px;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.movie-info h3 a {
  color: var(--paper);
}
.movie-info h3 a:hover {
  color: var(--gold-light);
}
.movie-info p {
  font-size: 13px;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
  min-height: 44px;
}
.movie-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.movie-tags span {
  font-size: 11.5px;
  color: var(--jade-light);
  background: rgba(111, 168, 160, 0.12);
  border: 1px solid rgba(111, 168, 160, 0.3);
  border-radius: 20px;
  padding: 2px 10px;
}

/* ============ 服务介绍 ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  display: flex;
  gap: 20px;
  background: var(--ink-700);
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition);
}
.service-card:hover {
  border-color: rgba(111, 168, 160, 0.45);
  transform: translateY(-5px);
  box-shadow: var(--shadow-sm);
}
.service-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(111, 168, 160, 0.25), rgba(111, 168, 160, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
.service-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--paper);
}
.service-card p {
  font-size: 13.5px;
  color: var(--text-sub);
}
.service-card ul {
  margin-top: 10px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card ul li {
  font-size: 13px;
  color: var(--mist);
  position: relative;
  padding-left: 18px;
}
.service-card ul li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--jade);
  font-size: 10px;
  top: 4px;
}

/* ============ CTA ============ */
.cta {
  position: relative;
  background:
    linear-gradient(120deg, rgba(212, 168, 67, 0.16), rgba(111, 168, 160, 0.14)),
    var(--ink-800);
  overflow: hidden;
  text-align: center;
  padding: 90px 0;
}
.cta::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 160px;
  background: radial-gradient(ellipse, rgba(212, 168, 67, 0.18), transparent 70%);
  pointer-events: none;
}
.cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.cta h2 em {
  font-style: normal;
  color: var(--gold);
}
.cta p {
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--ink-700);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover {
  border-color: rgba(212, 168, 67, 0.3);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--gold);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-body {
  padding: 0 24px 22px;
  color: var(--text-sub);
  font-size: 14.5px;
  line-height: 1.9;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #090b10;
  border-top: 1px solid rgba(212, 168, 67, 0.15);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand p {
  font-size: 13.5px;
  color: var(--text-faint);
  margin-top: 14px;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  color: var(--paper);
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  color: var(--text-sub);
  font-size: 14px;
}
.footer-col ul a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 13.5px;
  color: var(--text-sub);
  margin-bottom: 10px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-faint);
}
.footer-bottom .links a {
  margin-left: 18px;
  color: var(--text-faint);
}
.footer-bottom .links a:hover {
  color: var(--gold-light);
}

/* ============ 页面横幅（内页） ============ */
.page-hero {
  position: relative;
  padding: 76px 0 64px;
  background:
    radial-gradient(ellipse at 80% 15%, rgba(212, 168, 67, 0.12), transparent 50%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900));
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero h1 {
  position: relative;
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 46px);
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--paper);
}
.page-hero .breadcrumb {
  position: relative;
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 1px;
}
.page-hero .breadcrumb a {
  color: var(--jade-light);
}
.page-hero .breadcrumb a:hover {
  color: var(--gold-light);
}
.page-hero .breadcrumb span.sep {
  margin: 0 8px;
  color: var(--text-faint);
}

/* ============ 新闻列表 ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.4);
}
.news-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.06);
}
.news-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-meta {
  font-size: 12.5px;
  color: var(--text-faint);
  display: flex;
  gap: 14px;
  margin-bottom: 10px;
}
.news-meta .cat {
  color: var(--jade-light);
}
.news-body h3 {
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.5;
}
.news-body h3 a {
  color: var(--paper);
}
.news-body h3 a:hover {
  color: var(--gold-light);
}
.news-body p {
  font-size: 13.5px;
  color: var(--text-sub);
  margin-bottom: 16px;
  flex: 1;
}
.news-link {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gold-light);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 48px;
}
.pagination a {
  min-width: 42px;
  padding: 9px 14px;
  text-align: center;
  background: var(--ink-700);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: 14px;
}
.pagination a:hover,
.pagination a.active {
  background: linear-gradient(135deg, var(--gold), #b8860b);
  color: #1a1406;
  border-color: transparent;
}

/* ============ 新闻详情 ============ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}
.article {
  background: var(--ink-700);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.article-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.article-header .cat {
  display: inline-block;
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: 2px;
  border: 1px solid rgba(212, 168, 67, 0.4);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.5;
  margin-bottom: 14px;
  color: var(--paper);
}
.article-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-faint);
}
.article-cover {
  border-radius: var(--radius);
  margin-bottom: 28px;
}
.article-body p {
  margin-bottom: 18px;
  font-size: 15.5px;
  line-height: 2;
  color: var(--text-sub);
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--paper);
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}
.article-body blockquote {
  background: rgba(111, 168, 160, 0.08);
  border-left: 3px solid var(--jade);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--mist);
  font-style: italic;
}
.article-body img {
  border-radius: var(--radius);
  margin: 22px 0;
}
.article-tags {
  display: flex;
  gap: 8px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.article-tags a {
  font-size: 12.5px;
  color: var(--jade-light);
  background: rgba(111, 168, 160, 0.12);
  border: 1px solid rgba(111, 168, 160, 0.3);
  padding: 4px 12px;
  border-radius: 18px;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: var(--text-faint);
}
.article-share .share-btn {
  display: inline-block;
  background: var(--ink-600);
  color: var(--text-sub);
  padding: 5px 14px;
  border-radius: 16px;
  font-size: 12.5px;
}
.article-share .share-btn:hover {
  color: var(--gold-light);
  background: var(--ink-500);
}

/* 侧边栏 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.side-card {
  background: var(--ink-700);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 24px;
}
.side-card h3 {
  font-size: 16px;
  color: var(--paper);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}
.side-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 42px;
  height: 2px;
  background: var(--gold);
}
.side-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.side-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.side-list img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}
.side-list .txt {
  font-size: 13px;
  line-height: 1.5;
}
.side-list .txt a {
  color: var(--text-sub);
}
.side-list .txt a:hover {
  color: var(--gold-light);
}
.side-list .txt .date {
  display: block;
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 4px;
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tags a {
  font-size: 12.5px;
  color: var(--text-sub);
  background: var(--ink-600);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5px 12px;
  border-radius: 16px;
}
.side-tags a:hover {
  color: var(--gold-light);
  border-color: rgba(212, 168, 67, 0.4);
}

/* ============ 联系表单 ============ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}
.contact-info-card {
  background: var(--ink-700);
  border-radius: var(--radius);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
}
.contact-info-item .icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(212, 168, 67, 0.25), rgba(212, 168, 67, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.contact-info-item h3 {
  font-size: 15px;
  color: var(--paper);
  margin-bottom: 6px;
}
.contact-info-item p {
  font-size: 13.5px;
  color: var(--text-sub);
}
.contact-form-card {
  background: var(--ink-700);
  border-radius: var(--radius);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--ink-800);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-main);
  font-size: 14.5px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
}
.form-group .hint {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 6px;
}
.form-success {
  display: none;
  text-align: center;
  padding: 20px;
  background: rgba(111, 168, 160, 0.12);
  border: 1px solid rgba(111, 168, 160, 0.4);
  border-radius: var(--radius);
  color: var(--jade-light);
  font-size: 15px;
  margin-bottom: 20px;
}
.form-success.show {
  display: block;
}

/* ============ 关于页 ============ */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}
.about-story img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-story h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--paper);
  margin-bottom: 16px;
}
.about-story h2 em {
  font-style: normal;
  color: var(--gold);
}
.about-story p {
  color: var(--text-sub);
  margin-bottom: 14px;
  font-size: 15px;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 34px 24px;
  background: var(--ink-700);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition);
}
.value-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 168, 67, 0.4);
  box-shadow: var(--shadow-sm);
}
.value-card .icon {
  font-size: 36px;
  margin-bottom: 14px;
}
.value-card h3 {
  color: var(--paper);
  margin-bottom: 10px;
  font-size: 17px;
}
.value-card p {
  font-size: 13.5px;
  color: var(--text-sub);
}
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--jade), transparent);
}
.timeline-item {
  position: relative;
  padding-bottom: 34px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 3px solid var(--gold);
}
.timeline-item .year {
  font-family: var(--font-serif);
  color: var(--gold-light);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
}
.timeline-item h3 {
  color: var(--paper);
  font-size: 17px;
  margin: 6px 0 8px;
}
.timeline-item p {
  color: var(--text-sub);
  font-size: 14px;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  text-align: center;
  background: var(--ink-700);
  border-radius: var(--radius);
  padding: 30px 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(111, 168, 160, 0.4);
}
.team-card img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid rgba(212, 168, 67, 0.35);
}
.team-card h3 {
  color: var(--paper);
  font-size: 16px;
}
.team-card .role {
  color: var(--gold-light);
  font-size: 13px;
  margin-top: 4px;
}
.team-card p {
  color: var(--text-faint);
  font-size: 12.5px;
  margin-top: 10px;
}

/* ============ 片库页 ============ */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.filter-btn {
  padding: 9px 22px;
  background: var(--ink-700);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-sub);
  border-radius: 24px;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover {
  border-color: rgba(212, 168, 67, 0.5);
  color: var(--gold-light);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--gold), #b8860b);
  color: #1a1406;
  font-weight: 600;
  border-color: transparent;
}
.movie-grid .movie-card {
  animation: fadeUp 0.5s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.lib-banner {
  background: linear-gradient(120deg, rgba(111, 168, 160, 0.16), rgba(212, 168, 67, 0.1));
  border: 1px solid rgba(111, 168, 160, 0.25);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.lib-banner h2 {
  font-family: var(--font-serif);
  color: var(--paper);
  font-size: 20px;
}
.lib-banner p {
  color: var(--text-sub);
  font-size: 13.5px;
  margin-top: 6px;
}
.lib-banner .stat {
  text-align: center;
  padding: 8px 24px;
  background: rgba(13, 15, 20, 0.5);
  border-radius: var(--radius-sm);
}
.lib-banner .stat b {
  display: block;
  font-size: 24px;
  color: var(--gold-light);
  font-family: var(--font-serif);
}

/* ============ 回到顶部 ============ */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(212, 168, 67, 0.9);
  color: #1a1406;
  font-size: 20px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: 0 6px 18px rgba(212, 168, 67, 0.4);
}
.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); }
  .movie-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; }
  .sidebar .side-card { flex: 1; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(300px, 82vw);
    background: var(--ink-800);
    border-left: 1px solid rgba(212, 168, 67, 0.2);
    transform: translateX(100%);
    transition: transform var(--transition);
    padding: 90px 24px 30px;
    z-index: 1050;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 6px; }
  .main-nav a { font-size: 17px; padding: 12px 14px; border-radius: var(--radius-sm); }
  .main-nav a:hover { background: rgba(212, 168, 67, 0.08); }
  .main-nav a::after { display: none; }
  .nav-cta { text-align: center; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 80px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { gap: 24px; }
  .movie-grid { grid-template-columns: repeat(2, 1fr); }
  .about-story { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
  .sidebar { flex-direction: column; }
  .article { padding: 26px 20px; }
  .topbar-inner { justify-content: center; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .movie-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .brand-name { font-size: 22px; letter-spacing: 2px; }
  .btn { width: 100%; justify-content: center; }
}

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