/* =========================================================
   看片视频 · 全局样式
   主题：深色影院风 / 高对比 / 响应式
   ========================================================= */

:root {
  --bg: #0c0e13;
  --bg-2: #11141b;
  --surface: #171b25;
  --surface-2: #1d2230;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f6;
  --muted: #98a1b3;
  --accent: #f0413e;
  --accent-2: #ffb020;
  --grad: linear-gradient(120deg, #f0413e 0%, #ff7a45 55%, #ffb020 100%);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 68px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

*, *::before, *::after { 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);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; transition: color 0.25s ease; }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 26px rgba(240, 65, 62, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(240, 65, 62, 0.5);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  background: rgba(240, 65, 62, 0.12);
}

.btn-block { width: 100%; }

/* ---------- 头部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(12, 14, 19, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.nav-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 1px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--grad);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(240, 65, 62, 0.4);
  flex: none;
}

.brand-mark svg { width: 20px; height: 20px; fill: #fff; }

.brand-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav { display: flex; align-items: center; }

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

.nav-links a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.nav-links a[aria-current="page"] {
  color: #fff;
  background: rgba(240, 65, 62, 0.18);
  position: relative;
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: -2; }

.hero-bg img { width: 100%; height: 100%; object-fit: cover; }

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(240, 65, 62, 0.22), transparent 55%),
    linear-gradient(180deg, rgba(12, 14, 19, 0.72) 0%, rgba(12, 14, 19, 0.86) 60%, var(--bg) 100%);
}

.hero-content { max-width: 780px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 176, 32, 0.4);
  background: rgba(255, 176, 32, 0.1);
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  animation: fadeDown 0.8s ease both;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 1.8s ease infinite;
}

.hero h1 {
  font-size: clamp(32px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 22px;
  animation: fadeUp 0.8s ease 0.1s both;
}

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

.hero-lead {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 36px;
  animation: fadeUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
  animation: fadeUp 0.8s ease 0.3s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 720px;
  animation: fadeUp 0.8s ease 0.45s both;
}

.stat {
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.stat strong {
  display: block;
  font-size: 26px;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

/* ---------- 题材走马灯 ---------- */
.genre-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding: 14px 0;
}

.marquee-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--muted);
  white-space: nowrap;
}

.marquee-track span i {
  font-style: normal;
  color: var(--accent);
  margin-right: 40px;
}

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

.section-alt { background: var(--bg-2); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.section-head h2, .cta-band h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-desc { color: var(--muted); font-size: 16px; }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 特性卡片 ---------- */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(240, 65, 62, 0.4);
  box-shadow: var(--shadow);
}

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

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(240, 65, 62, 0.12);
  border: 1px solid rgba(240, 65, 62, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg { width: 26px; height: 26px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }

.feature-card p { color: var(--muted); font-size: 15px; }

/* ---------- 分类卡片 ---------- */
.category-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }

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

.category-card:hover .card-media img { transform: scale(1.07); }

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(12, 14, 19, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-2);
}

.card-body { padding: 24px; }

.card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }

.card-body p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
}

.card-link:hover { color: var(--accent-2); gap: 10px; }

/* ---------- 片段卡片 ---------- */
.clip-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.clip-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }

.clip-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }

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

.clip-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(12, 14, 19, 0.75) 100%);
}

.duration {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(12, 14, 19, 0.78);
  font-size: 12px;
  font-weight: 700;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(240, 65, 62, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.play-btn::after {
  content: "";
  border-left: 14px solid #fff;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 3px;
}

.clip-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }

.clip-body { padding: 18px 20px 22px; }

.clip-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }

.clip-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); }

.clip-meta .tag { color: var(--accent-2); }

/* ---------- 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.split + .split { margin-top: 80px; }

.split.reverse .split-media { order: -1; }

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

.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3 / 2; }

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

.split-text > p { color: var(--muted); margin-bottom: 22px; }

.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: var(--text);
  font-size: 15px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(240, 65, 62, 0.16);
  border: 1px solid var(--accent);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 11px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  transform: rotate(-45deg);
}

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

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item.is-open { border-color: rgba(240, 65, 62, 0.45); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  text-align: left;
}

.faq-q .chev {
  flex: none;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}

.faq-item.is-open .chev { transform: rotate(225deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-a p {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 15px;
}

.faq-a a { color: var(--accent); font-weight: 700; }

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(240, 65, 62, 0.3), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
}

.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 36px; }

.cta-band .hero-actions { justify-content: center; margin-bottom: 0; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #08090d;
  border-top: 1px solid var(--line);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  color: #fff;
}

.footer-col ul li { margin-bottom: 12px; font-size: 14px; color: var(--muted); }

.footer-col ul li a:hover { color: var(--accent-2); }

.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 300px; }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.footer-tag { letter-spacing: 1px; }

/* ---------- 内页页头 ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 72px;
  overflow: hidden;
  background: var(--bg-2);
}

.page-hero-bg { position: absolute; inset: 0; z-index: -2; }

.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(12, 14, 19, 0.78), rgba(12, 14, 19, 0.92));
}

.page-hero h1 {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 900;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.page-hero .page-desc { color: var(--muted); max-width: 640px; margin-bottom: 22px; }

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.breadcrumb ol li + li::before { content: "/"; margin-right: 8px; color: var(--line-strong); }

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

.breadcrumb [aria-current] { color: var(--accent-2); }

/* ---------- 频道卡片（products） ---------- */
.channel-card .card-body ul { margin: 0 0 16px; }

.channel-card .card-body ul li {
  font-size: 14px;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.channel-card .card-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 观影方案 ---------- */
.plan-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(240, 65, 62, 0.1), var(--surface));
}

.plan-flag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 18px;
  border-radius: 999px;
  background: var(--grad);
  font-size: 12px;
  font-weight: 700;
}

.plan-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }

.plan-price {
  font-size: 40px;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 4px;
}

.plan-price small { font-size: 15px; font-weight: 500; }

.plan-sub { color: var(--muted); font-size: 13px; margin-bottom: 24px; }

.plan-list { text-align: left; margin-bottom: 28px; }

.plan-list li {
  padding: 10px 0 10px 28px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: var(--text);
  position: relative;
}

.plan-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  transform: rotate(-45deg);
}

/* ---------- 步骤 ---------- */
.step-card { text-align: center; padding: 36px 24px; }

.step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(240, 65, 62, 0.12);
  border: 1px solid rgba(240, 65, 62, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  color: var(--accent);
}

/* ---------- 资讯列表 ---------- */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.news-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 22px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.news-thumb { overflow: hidden; }

.news-thumb img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 0.5s ease; }

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

.news-body { padding: 20px 22px 20px 0; }

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}

.news-meta .tag {
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(255, 176, 32, 0.12);
  color: var(--accent-2);
  font-weight: 700;
}

.news-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }

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

.news-body p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.more-link { color: var(--accent); font-weight: 700; font-size: 14px; }

.more-link:hover { color: var(--accent-2); }

.news-aside .aside-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 24px;
}

.aside-box h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.aside-box ul li { margin-bottom: 12px; font-size: 14px; }

.aside-box ul li a { color: var(--muted); }

.aside-box ul li a:hover { color: var(--accent-2); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }

.tag-cloud a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.tag-cloud a:hover { border-color: var(--accent); color: var(--accent-2); }

/* ---------- 资讯详情 ---------- */
.article-hero .news-meta { margin-bottom: 16px; }

.article-body {
  max-width: 800px;
  margin: 0 auto;
}

.article-body figure {
  margin: 0 0 36px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.article-body figcaption {
  padding: 12px 18px;
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
}

.article-body h2 {
  font-size: 26px;
  font-weight: 900;
  margin: 44px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.article-body h3 { font-size: 20px; font-weight: 700; margin: 30px 0 12px; }

.article-body p { color: #c9cfdb; margin-bottom: 18px; font-size: 16px; }

.article-body ul, .article-body ol { margin: 0 0 18px 22px; color: #c9cfdb; }

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

.article-body ol li { list-style: decimal; margin-bottom: 8px; }

.article-body blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  border-left: 4px solid var(--accent-2);
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
  font-style: italic;
}

.article-share {
  max-width: 800px;
  margin: 48px auto 0;
  padding: 22px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
}

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

.counter {
  text-align: center;
  padding: 36px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.counter strong {
  display: block;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.timeline-item { position: relative; padding-bottom: 36px; }

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(240, 65, 62, 0.2);
}

.timeline-item time {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 6px;
}

.timeline-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }

.timeline-item p { color: var(--muted); font-size: 15px; }

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}

.contact-info-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info-card h3 svg { width: 20px; height: 20px; stroke: var(--accent-2); fill: none; stroke-width: 1.8; }

.contact-info-card p { color: var(--muted); font-size: 14px; margin-bottom: 6px; }

.contact-info-card strong { color: var(--text); font-weight: 700; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-form h2 { font-size: 22px; font-weight: 900; margin-bottom: 8px; }

.contact-form > p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }

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

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-row label em { color: var(--accent); font-style: normal; margin-left: 2px; }

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

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

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 65, 62, 0.18);
}

.form-tip {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(46, 196, 114, 0.12);
  border: 1px solid rgba(46, 196, 114, 0.4);
  color: #4fd68b;
  font-size: 14px;
}

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(23, 27, 37, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-top.is-show { opacity: 1; pointer-events: auto; transform: translateY(0); }

.back-top::before {
  content: "";
  width: 12px;
  height: 12px;
  border-left: 2px solid var(--accent-2);
  border-top: 2px solid var(--accent-2);
  transform: rotate(45deg) translate(2px, 2px);
}

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

/* ---------- 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--d, 0s);
}

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

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

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.5; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media { order: 0; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(12, 14, 19, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav.is-open { max-height: 340px; }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
  }
  .nav-links a { padding: 13px 16px; font-size: 16px; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .hero { min-height: auto; padding-bottom: 64px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .news-card { grid-template-columns: 1fr; }
  .news-body { padding: 0 20px 22px; }
  .news-thumb img { aspect-ratio: 16 / 9; }
}

@media (max-width: 520px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-actions .btn { width: 100%; }
  .contact-form { padding: 26px 20px; }
  .btn { padding: 13px 24px; font-size: 15px; }
}
