/* =========================================================
   每日大赛 - 每日大赛吃瓜爆料视频分享聚集地
   深色科技感 + 橙色/红色强调色
   ========================================================= */

:root {
  --bg-dark: #0b0f1a;
  --bg-deep: #070a12;
  --bg-card: #121a2b;
  --bg-card-hover: #182238;
  --border-line: rgba(255, 255, 255, 0.08);
  --text-main: #e8edf6;
  --text-sub: #9aa7bd;
  --text-muted: #6b7890;
  --accent: #ff5a1f;
  --accent-2: #ff2d55;
  --accent-gradient: linear-gradient(135deg, #ff5a1f 0%, #ff2d55 100%);
  --gold: #ffc145;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 32px rgba(255, 90, 31, 0.25);
  --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

ul {
  list-style: none;
}

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

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

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-line);
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-sub);
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2effa0;
  box-shadow: 0 0 8px #2effa0;
  animation: pulse-dot 1.6s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.topbar-links {
  display: flex;
  gap: 20px;
  color: var(--text-muted);
}

.topbar-links span {
  cursor: default;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 26, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
}

.brand-name em {
  font-style: normal;
  background: var(--accent-gradient);
  -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;
  font-weight: 500;
  color: var(--text-sub);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.nav-cta {
  background: var(--accent-gradient);
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 90, 31, 0.45);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-line);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 22px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 10%, rgba(255, 90, 31, 0.22), transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 90%, rgba(255, 45, 85, 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
  z-index: -2;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: -1;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 75%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 56px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 90, 31, 0.12);
  border: 1px solid rgba(255, 90, 31, 0.35);
  color: #ffb28f;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
  animation: fadeUp 0.7s ease both;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero h1 .hl {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-sub);
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 34px;
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeUp 0.7s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 34px rgba(255, 90, 31, 0.5);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-line);
  color: var(--text-main);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
  color: var(--text-main);
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 44px;
  animation: fadeUp 0.7s 0.4s ease both;
}

.hero-stats .stat b {
  display: block;
  font-size: 30px;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stats .stat span {
  color: var(--text-muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  animation: fadeIn 0.9s 0.25s ease both;
}

.hero-media {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border-line);
  box-shadow: var(--shadow);
  position: relative;
}

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

.hero-media .play-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 10, 18, 0.85) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 90, 31, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  box-shadow: 0 0 0 12px rgba(255, 90, 31, 0.22);
  animation: playPulse 2.4s infinite;
  cursor: pointer;
}

@keyframes playPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.5); }
  70% { box-shadow: 0 0 0 20px rgba(255, 90, 31, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
}

.hero-media .media-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  font-weight: 600;
  font-size: 15px;
}

.float-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

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

.float-card span {
  color: var(--text-sub);
}

.fc-1 {
  top: -18px;
  left: -26px;
  animation: floatY 4s ease-in-out infinite;
}

.fc-2 {
  bottom: 64px;
  right: -20px;
  animation: floatY 4s 1.2s ease-in-out infinite;
}

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

/* ---------- Section 通用 ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  animation: fadeUp 0.6s ease both;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 90, 31, 0.45);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 90, 31, 0.12);
  border: 1px solid rgba(255, 90, 31, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

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

/* ---------- 热门视频 / 卡片 ---------- */
.section-alt {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.video-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.video-duration {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, 0.75);
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 6px;
}

.video-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  background: var(--accent-gradient);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.video-tag.hot {
  background: var(--gold);
  color: #1a1206;
}

.video-body {
  padding: 18px 18px 20px;
}

.video-body h3 {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 10px;
  font-weight: 700;
}

.video-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 13px;
}

.video-meta .views i {
  font-style: normal;
  margin-right: 4px;
}

.video-meta .play-link {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- 吃瓜专区 ---------- */
.gg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.gg-visual {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border-line);
  box-shadow: var(--shadow);
  position: relative;
}

.gg-visual img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.gg-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent-gradient);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
}

.gg-content h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 16px;
}

.gg-content p {
  color: var(--text-sub);
  margin-bottom: 14px;
}

.gg-list {
  margin: 18px 0 26px;
  display: grid;
  gap: 10px;
}

.gg-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-sub);
  font-size: 15px;
}

.gg-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  flex-shrink: 0;
}

/* ---------- CTA ---------- */
.cta-section {
  position: relative;
  text-align: center;
  padding: 96px 0;
  overflow: hidden;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0.08;
}

.cta-section::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.18), transparent 65%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-sub);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 34px;
}

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

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
}

.faq-q .icon {
  color: var(--accent);
  font-style: normal;
  font-size: 20px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  color: var(--text-sub);
  font-size: 15px;
}

.faq-a-inner {
  padding: 0 22px 20px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-line);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  color: var(--text-sub);
  font-size: 14px;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #fff;
}

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

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

.footer-col a:hover {
  color: var(--accent);
}

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

.footer-bottom a {
  color: var(--text-muted);
}

/* ---------- 页面横幅（内页） ---------- */
.page-banner {
  position: relative;
  padding: 84px 0 64px;
  text-align: center;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 0%, rgba(255, 90, 31, 0.18), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
  z-index: -1;
}

.page-banner h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  margin-bottom: 12px;
}

.page-banner p {
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

.breadcrumb a {
  color: var(--text-muted);
}

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

/* ---------- 新闻列表 ---------- */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
  align-items: start;
}

.news-list {
  display: grid;
  gap: 24px;
}

.news-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 31, 0.4);
}

.news-card img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.news-card-body {
  padding: 24px 26px;
}

.news-card-body h3 {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 10px;
}

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

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

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 13px;
}

.news-meta .tag {
  background: rgba(255, 90, 31, 0.12);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 600;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  font-size: 14px;
}

.pagination .current {
  background: var(--accent-gradient);
  border-color: transparent;
  font-weight: 700;
}

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

/* Sidebar */
.sidebar {
  display: grid;
  gap: 24px;
  position: sticky;
  top: 96px;
}

.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 24px;
}

.side-card h3 {
  font-size: 17px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-line);
}

.side-list {
  display: grid;
  gap: 14px;
}

.side-list li a {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--text-sub);
  font-size: 14px;
}

.side-list li a:hover {
  color: var(--text-main);
}

.side-list li img {
  width: 64px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.side-tags a {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-line);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-sub);
}

.side-tags a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.article-head {
  text-align: center;
  margin-bottom: 34px;
}

.article-head h1 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-muted);
  font-size: 14px;
}

.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 30px;
  border: 1px solid var(--border-line);
}

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

.article-body {
  font-size: 16.5px;
  color: var(--text-main);
  display: grid;
  gap: 18px;
}

.article-body p {
  line-height: 1.9;
}

.article-body h2 {
  font-size: 24px;
  margin-top: 16px;
  font-weight: 800;
}

.article-body h3 {
  font-size: 19px;
  margin-top: 12px;
  font-weight: 700;
  color: var(--accent);
}

.article-quote {
  border-left: 4px solid var(--accent);
  background: rgba(255, 90, 31, 0.07);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-sub);
}

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

.article-tags a {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-line);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-sub);
}

.article-tags a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.related-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.related-card .related-body {
  padding: 14px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

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

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

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

.product-thumb img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.05);
}

.product-count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, 0.75);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
}

.product-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-body h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.product-body p {
  color: var(--text-sub);
  font-size: 14px;
  flex: 1;
  margin-bottom: 16px;
}

.product-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-price {
  font-size: 20px;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-price small {
  font-size: 12px;
  color: var(--text-muted);
  -webkit-text-fill-color: var(--text-muted);
}

.product-link {
  background: var(--accent-gradient);
  color: #fff;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.product-link:hover {
  color: #fff;
  transform: translateY(-2px);
}

/* ---------- About ---------- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}

.about-story img {
  border-radius: var(--radius);
  height: 380px;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--border-line);
  box-shadow: var(--shadow);
}

.about-story h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  margin-bottom: 16px;
}

.about-story p {
  color: var(--text-sub);
  margin-bottom: 14px;
}

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

.mission-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
}

.mission-card .m-icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.mission-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

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

.timeline {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  display: grid;
  gap: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(255, 90, 31, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 52px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.18);
}

.timeline-item .t-year {
  font-size: 15px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.timeline-item h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

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

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

.contact-info {
  display: grid;
  gap: 18px;
}

.contact-item {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item .c-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 90, 31, 0.12);
  border: 1px solid rgba(255, 90, 31, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.contact-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

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

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 15px;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.25s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-tip {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 10px;
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 640px;
  }

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

  .news-layout {
    grid-template-columns: 1fr;
  }

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

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

  .about-story {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .section-pad {
    padding: 60px 0;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(11, 15, 26, 0.98);
    border-bottom: 1px solid var(--border-line);
    padding: 20px 24px 28px;
    gap: 18px;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 99;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 80px 0 70px;
  }

  .hero-stats {
    gap: 20px;
    flex-wrap: wrap;
  }

  .hero-media img {
    height: 300px;
  }

  .float-card.fc-1 {
    left: 8px;
  }

  .float-card.fc-2 {
    right: 8px;
  }

  .video-grid,
  .products-grid,
  .features-grid,
  .mission-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .news-card {
    grid-template-columns: 1fr;
  }

  .news-card img {
    height: 200px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .article-cover img {
    height: 260px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 19px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .topbar-links {
    display: none;
  }
}