/* =========================================================
   兔六影院 - 全站样式表 style.css
   深色影院质感主题 | 响应式 | CSS动画
   ========================================================= */

:root {
  --bg-950: #07090f;
  --bg-900: #0b0e16;
  --bg-800: #121624;
  --bg-700: #1a2031;
  --bg-600: #232b42;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --gold: #f0b55a;
  --gold-deep: #d9932f;
  --red: #e63946;
  --red-deep: #c12531;
  --text: #e9edf5;
  --muted: #9aa4b8;
  --muted-2: #6c768c;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.55);
  --radius: 14px;
  --radius-sm: 9px;
  --gradient-primary: linear-gradient(135deg, #f0b55a 0%, #e63946 100%);
  --gradient-hero: linear-gradient(160deg, rgba(11, 14, 22, 0.92) 20%, rgba(26, 32, 49, 0.78) 60%, rgba(230, 57, 70, 0.18) 100%);
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

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

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

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

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

ul, ol { list-style: none; }

.container {
  width: min(1240px, 92%);
  margin: 0 auto;
}

.section-pad { padding: 84px 0; }

/* ---------- 通用标题 ---------- */
.section-head {
  text-align: center;
  margin-bottom: 52px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(240, 181, 90, 0.1);
  border: 1px solid rgba(240, 181, 90, 0.25);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.3;
}
.section-head h2 .hl { color: var(--gold); }
.section-head p {
  color: var(--muted);
  margin-top: 12px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn-gold {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(230, 57, 70, 0.32);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(230, 57, 70, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-3px);
}
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* =========================================================
   导航栏
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 9, 15, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.site-header.scrolled {
  background: rgba(7, 9, 15, 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
}
.brand .logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-size: 19px;
  color: #fff;
  box-shadow: 0 6px 16px rgba(230, 57, 70, 0.4);
}
.brand .brand-name { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.main-nav { display: flex; gap: 6px; }
.main-nav a {
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.25s ease, background 0.25s ease;
}
.main-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.main-nav a.active { color: var(--gold); background: rgba(240, 181, 90, 0.1); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  place-items: center;
}

/* =========================================================
   Hero 主视觉
   ========================================================= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  background:
    var(--gradient-hero),
    radial-gradient(ellipse at 75% 20%, rgba(230, 57, 70, 0.16), transparent 55%),
    url('https://picsum.photos/seed/tuliu6-hero-bg/1920/1080') center / cover no-repeat;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-900), transparent);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 780px; }
.hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gold);
  background: rgba(240, 181, 90, 0.12);
  border: 1px solid rgba(240, 181, 90, 0.3);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero h1 .hl-gold { color: var(--gold); }
.hero h1 .hl-red { color: var(--red); }
.hero .hero-desc {
  font-size: clamp(15px, 2vw, 18px);
  color: #c3ccdb;
  max-width: 640px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 48px;
}
.hero-stats .stat b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}
.hero-stats .stat span { color: var(--muted); font-size: 13px; }

.hero-search {
  margin-top: 30px;
  display: flex;
  align-items: center;
  max-width: 560px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 6px 6px 20px;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.hero-search:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(240, 181, 90, 0.12);
}
.hero-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
}
.hero-search input::placeholder { color: var(--muted-2); }
.hero-search button {
  background: var(--gradient-primary);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: filter 0.25s ease, transform 0.25s ease;
}
.hero-search button:hover { filter: brightness(1.08); transform: scale(1.02); }

/* =========================================================
   核心特性区
   ========================================================= */
.features { background: var(--bg-900); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  animation: fadeInUp 0.7s ease both;
}
.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.3s; }
.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 181, 90, 0.4);
  box-shadow: var(--shadow-hover);
}
.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(240, 181, 90, 0.16), rgba(230, 57, 70, 0.16));
  border: 1px solid rgba(240, 181, 90, 0.25);
  display: grid;
  place-items: center;
  font-size: 26px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; }

/* =========================================================
   内容区块 / 卡片网格
   ========================================================= */
.content-section { background: var(--bg-950); }
.content-section.alt { background: var(--bg-900); }
.content-section .lead {
  font-size: 17px;
  color: #c3ccdb;
  max-width: 860px;
  margin: 0 auto 40px;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card-grid.col-3 { grid-template-columns: repeat(3, 1fr); }

.media-card {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  animation: fadeInUp 0.7s ease both;
}
.media-card:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 181, 90, 0.35);
  box-shadow: var(--shadow-hover);
}
.media-card .thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.media-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.media-card:hover .thumb img { transform: scale(1.07); }
.media-card .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(230, 57, 70, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
}
.media-card .badge.badge-gold { background: rgba(240, 181, 90, 0.92); color: #1a1a1a; }
.media-card .play-mask {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(7, 9, 15, 0.4);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.media-card:hover .play-mask { opacity: 1; }
.media-card .play-mask span {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #fff;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}
.media-card:hover .play-mask span { transform: scale(1); }
.media-card .info { padding: 18px 18px 20px; }
.media-card .info h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.media-card .info .meta { color: var(--muted); font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; }

/* 分类条 */
.category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.category-bar button {
  background: var(--bg-800);
  border: 1px solid var(--line-strong);
  color: var(--muted);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.25s ease;
}
.category-bar button:hover { color: var(--gold); border-color: var(--gold); }
.category-bar button.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

/* ---------- 步骤流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-item {
  position: relative;
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 24px 26px;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.step-item:hover { transform: translateY(-6px); border-color: rgba(240, 181, 90, 0.4); }
.step-item .step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(230, 57, 70, 0.35);
}
.step-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-item p { color: var(--muted); font-size: 14px; }

/* ---------- 统计带 ---------- */
.stat-band {
  background: linear-gradient(120deg, rgba(240, 181, 90, 0.08), rgba(230, 57, 70, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 44px 40px;
  text-align: center;
}
.stat-band .stat b {
  display: block;
  font-size: 40px;
  font-weight: 800;
  color: var(--gold);
}
.stat-band .stat span { color: var(--muted); font-size: 14px; }

/* =========================================================
   行动号召区 CTA
   ========================================================= */
.cta {
  position: relative;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(240, 181, 90, 0.14), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(230, 57, 70, 0.14), transparent 50%),
    var(--bg-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta p { color: var(--muted); margin-bottom: 28px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  background: var(--bg-950);
  border-top: 1px solid var(--line);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
.footer-grid h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-grid .brand-desc { color: var(--muted); font-size: 14px; margin-top: 12px; max-width: 320px; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul a { color: var(--muted); font-size: 14px; transition: color 0.25s ease; }
.footer-grid ul a:hover { color: var(--gold); }
.footer-newsletter { display: flex; margin-top: 14px; }
.footer-newsletter input {
  flex: 1;
  background: var(--bg-800);
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px 0 0 8px;
  outline: none;
  font-family: var(--font);
}
.footer-newsletter button {
  background: var(--gradient-primary);
  border: none;
  color: #fff;
  padding: 0 18px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-family: var(--font);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted-2);
  font-size: 13px;
}

/* =========================================================
   面包屑 / 子页面 Hero
   ========================================================= */
.sub-hero {
  padding: 148px 0 64px;
  background:
    var(--gradient-hero),
    radial-gradient(ellipse at 70% 30%, rgba(230, 57, 70, 0.14), transparent 55%),
    url('https://picsum.photos/seed/tuliu6-sub-hero/1920/720') center / cover no-repeat;
  text-align: center;
}
.sub-hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 900;
  margin-bottom: 14px;
}
.sub-hero p { color: #c3ccdb; max-width: 640px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb a { color: var(--gold); }
.breadcrumb a:hover { text-decoration: underline; }

/* =========================================================
   新闻 / 博客
   ========================================================= */
.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.news-card:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 181, 90, 0.35);
  box-shadow: var(--shadow-hover);
}
.news-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-card .tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--gold);
  background: rgba(240, 181, 90, 0.12);
  border: 1px solid rgba(240, 181, 90, 0.25);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.news-card h3 { font-size: 17px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.news-card h3 a { transition: color 0.25s ease; }
.news-card h3 a:hover { color: var(--gold); }
.news-card .excerpt { color: var(--muted); font-size: 14px; flex: 1; }
.news-card .meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 14px;
  color: var(--muted-2);
  font-size: 13px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--bg-800);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
  transition: all 0.25s ease;
}
.pagination a:hover { border-color: var(--gold); color: var(--gold); }
.pagination .current { background: var(--gradient-primary); color: #fff; border-color: transparent; font-weight: 700; }

/* 新闻详情 */
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.article-head { margin-bottom: 32px; }
.article-head h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}
.article-head .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: var(--shadow-card);
}
.article-body { font-size: 16.5px; color: #c6cfdd; }
.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 36px 0 16px;
  color: var(--text);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}
.article-body p { margin-bottom: 16px; }
.article-body blockquote {
  border-left: 4px solid var(--gold);
  background: rgba(240, 181, 90, 0.06);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  margin: 24px 0;
  color: #dbe1ec;
}
.article-body ul, .article-body ol { margin: 0 0 16px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--gold); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 36px 0; }
.article-tags span {
  font-size: 12px;
  color: var(--muted);
  background: var(--bg-800);
  border: 1px solid var(--line-strong);
  padding: 5px 12px;
  border-radius: 999px;
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  flex-wrap: wrap;
}
.article-nav a { color: var(--muted); font-size: 14px; transition: color 0.25s ease; }
.article-nav a:hover { color: var(--gold); }

/* =========================================================
   FAQ 折叠
   ========================================================= */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item.open { border-color: rgba(240, 181, 90, 0.4); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 18px 22px;
  cursor: pointer;
}
.faq-q .faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--gold);
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(240, 181, 90, 0.12);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-a {
  max-height: 600px;
  padding: 0 22px 18px;
}
.faq-a p { color: var(--muted); font-size: 14.5px; }

/* =========================================================
   联系我们 / 表单
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}
.contact-info .info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.contact-info .info-item:hover { transform: translateX(6px); border-color: rgba(240, 181, 90, 0.35); }
.contact-info .info-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(240, 181, 90, 0.16), rgba(230, 57, 70, 0.16));
  display: grid;
  place-items: center;
  font-size: 20px;
}
.contact-info .info-item h3 { font-size: 15px; margin-bottom: 4px; }
.contact-info .info-item p { color: var(--muted); font-size: 14px; }

.contact-form {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-900);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(240, 181, 90, 0.1);
}
.form-tip { font-size: 13px; color: var(--muted-2); margin-top: 6px; }

/* =========================================================
   关于我们 / 时间线
   ========================================================= */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--red));
  border-radius: 2px;
}
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 0 4px rgba(240, 181, 90, 0.15);
}
.timeline-item .year {
  color: var(--gold);
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 6px;
}
.timeline-item h3 { font-size: 17px; margin-bottom: 6px; }
.timeline-item p { color: var(--muted); font-size: 14.5px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--bg-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.value-card:hover { transform: translateY(-6px); border-color: rgba(240, 181, 90, 0.4); }
.value-card .value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(240, 181, 90, 0.16), rgba(230, 57, 70, 0.16));
  display: grid;
  place-items: center;
  font-size: 24px;
}
.value-card h3 { font-size: 17px; margin-bottom: 8px; }
.value-card p { color: var(--muted); font-size: 14px; }

/* =========================================================
   动画
   ========================================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.animate-fade-in { animation: fadeIn 1s ease both; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* 滚动条美化 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-950); }
::-webkit-scrollbar-thumb { background: var(--bg-600); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  font-size: 18px;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.35s ease;
  box-shadow: 0 10px 24px rgba(230, 57, 70, 0.4);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

/* 焦点可访问性 */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .nav-toggle { display: grid; }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(7, 9, 15, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 16px 6%;
    gap: 4px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav a { padding: 12px 16px; border-radius: 10px; }
  .nav-cta { display: none; }
  .hero { min-height: auto; padding: 130px 0 70px; }
  .hero-stats { gap: 22px; }
  .hero-stats .stat b { font-size: 22px; }
  .card-grid, .card-grid.col-3 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-band { grid-template-columns: repeat(2, 1fr); padding: 30px 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-search { flex-wrap: wrap; border-radius: 16px; padding: 10px; gap: 8px; }
  .hero-search input { padding: 6px 10px; }
  .hero-search button { width: 100%; }
  .sub-hero { padding: 128px 0 50px; }
}

@media (max-width: 480px) {
  .card-grid, .card-grid.col-3 { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 24px; }
  .contact-form { padding: 24px 18px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

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