/* ============================================================
   黄果短剧官网 全站样式
   配色：暖橙琥珀 × 米白 × 深棕黑
   ============================================================ */
:root {
  --primary: #f5a623;
  --primary-dark: #d4880f;
  --primary-light: #ffd88a;
  --accent: #ff6b3d;
  --accent-2: #e8455a;
  --ink: #2b2118;
  --ink-soft: #5d5145;
  --muted: #8a7d6d;
  --bg: #fffaf3;
  --bg-soft: #fdf3e4;
  --card: #ffffff;
  --line: #f0e4d2;
  --dark: #1c140d;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(120, 78, 20, 0.08);
  --shadow-md: 0 12px 32px rgba(120, 78, 20, 0.14);
  --shadow-lg: 0 24px 60px rgba(120, 78, 20, 0.2);
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
ul, ol { list-style: none; }

.container {
  width: 92%;
  max-width: var(--maxw);
  margin: 0 auto;
}

.section { padding: 96px 0; }
.section.alt { background: var(--bg-soft); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--primary-dark);
  background: rgba(245, 166, 35, .14);
  border: 1px solid rgba(245, 166, 35, .35);
  padding: 4px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  font-weight: 600;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(255, 250, 243, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center;
  color: #fff; font-size: 20px; font-weight: 900;
  box-shadow: 0 6px 16px rgba(245, 166, 35, .4);
}
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 2px; }
.nav-menu { display: flex; gap: 8px; align-items: center; }
.nav-menu a {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
}
.nav-menu a:hover { color: var(--primary-dark); background: rgba(245,166,35,.12); }
.nav-menu a.active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 6px 14px rgba(245,166,35,.35); }
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: none; background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.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); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 10px 24px rgba(245, 166, 35, .4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(245,166,35,.5); }
.btn-ghost {
  color: var(--ink);
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
}
.btn-ghost:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.btn-dark { color: #fff; background: var(--dark); }
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 180px 0 110px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(255, 107, 61, .25), transparent 60%),
    radial-gradient(800px 420px at 8% 12%, rgba(245, 166, 35, .28), transparent 60%),
    linear-gradient(180deg, #fff6e8 0%, var(--bg) 100%);
  overflow: hidden;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  opacity: .55;
  pointer-events: none;
}
.hero::before { width: 220px; height: 220px; right: -60px; top: 140px; background: radial-gradient(circle, rgba(245,166,35,.35), transparent 70%); }
.hero::after { width: 300px; height: 300px; left: -100px; bottom: -80px; background: radial-gradient(circle, rgba(232,69,90,.18), transparent 70%); }
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600;
  color: var(--primary-dark);
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(245,166,35,.4);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-tag i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.8s ease infinite;
}
.hero h1 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.22;
  margin-bottom: 22px;
  letter-spacing: 1px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--primary), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { font-size: 18px; color: var(--ink-soft); margin-bottom: 34px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat b {
  display: block;
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.1;
}
.hero-stats .stat span { font-size: 14px; color: var(--muted); }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
  transition: transform .5s ease;
}
.hero-visual:hover img { transform: rotate(0deg) scale(1.015); }
.hero-visual .float-card {
  position: absolute;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  font-size: 14px;
  animation: floaty 5s ease-in-out infinite;
}
.float-card.fc1 { left: -24px; top: 32px; animation-delay: 0s; }
.float-card.fc2 { right: -16px; bottom: 40px; animation-delay: 2.2s; }
.float-card b { color: var(--primary-dark); }

/* ---------------- 页面内 Hero（子页） ---------------- */
.page-hero {
  padding: 160px 0 72px;
  text-align: center;
  background:
    radial-gradient(700px 320px at 80% 0%, rgba(255,107,61,.18), transparent 60%),
    radial-gradient(640px 300px at 10% 10%, rgba(245,166,35,.22), transparent 60%),
    linear-gradient(180deg, #fff6e8 0%, var(--bg) 100%);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); margin-bottom: 16px; }
.page-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-hero p { color: var(--muted); max-width: 680px; margin: 0 auto; font-size: 17px; }
.breadcrumb { margin-top: 20px; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--primary-dark); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------------- 特性卡片 ---------------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: rgba(245,166,35,.5); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: grid; place-items: center;
  font-size: 28px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(245,166,35,.18), rgba(255,107,61,.18));
}
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 15px; }

/* ---------------- 短剧卡片 ---------------- */
.drama-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  flex-direction: column;
}
.drama-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.drama-cover { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
.drama-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.drama-card:hover .drama-cover img { transform: scale(1.08); }
.drama-badge {
  position: absolute; top: 12px; left: 12px;
  font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
  color: #fff;
  background: rgba(28, 20, 13, .75);
  backdrop-filter: blur(6px);
}
.drama-badge.love { background: linear-gradient(135deg, #e8455a, #ff7a9c); }
.drama-badge.comedy { background: linear-gradient(135deg, #f5a623, #ffcf5c); color: #4a3200; }
.drama-badge.career { background: linear-gradient(135deg, #2f6fed, #63a4ff); }
.drama-badge.fantasy { background: linear-gradient(135deg, #7b4dff, #b78bff); }
.drama-status {
  position: absolute; bottom: 12px; right: 12px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}
.drama-body { padding: 18px 18px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.drama-body h3 { font-size: 18px; line-height: 1.4; }
.drama-meta { display: flex; gap: 12px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.drama-meta i { font-style: normal; }
.drama-body p { font-size: 14px; color: var(--ink-soft); flex: 1; }
.drama-link { font-size: 14px; font-weight: 600; color: var(--primary-dark); margin-top: 6px; }
.drama-link:hover { color: var(--accent); }

/* ---------------- 筛选标签 ---------------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 26px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .25s ease;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.filter-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(245,166,35,.35);
}

/* ---------------- 服务介绍 ---------------- */
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 88px;
}
.service-row:last-child { margin-bottom: 0; }
.service-row.reverse .service-media { order: 2; }
.service-media img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.service-body h3 { font-size: 28px; margin-bottom: 16px; }
.service-body > p { color: var(--ink-soft); margin-bottom: 20px; }
.check-list li {
  display: flex; gap: 12px;
  padding: 10px 0;
  color: var(--ink-soft);
  font-size: 15px;
}
.check-list li::before {
  content: "✓";
  flex: 0 0 26px;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  margin-top: 2px;
}

/* ---------------- 数字横幅 ---------------- */
.counter-band {
  background: linear-gradient(120deg, #1c140d 0%, #3a2410 60%, #5c3410 100%);
  color: #fff;
  border-radius: 24px;
  padding: 56px 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.counter-band b { display: block; font-size: 42px; font-weight: 800; color: var(--primary-light); }
.counter-band span { font-size: 14px; color: rgba(255,255,255,.75); }

/* ---------------- 步骤流程 ---------------- */
.step-card { text-align: center; padding: 36px 24px; position: relative; }
.step-num {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 24px; font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 10px 22px rgba(245,166,35,.4);
}
.step-card h3 { font-size: 19px; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--muted); }

/* ---------------- FAQ ---------------- */
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item.open { border-color: rgba(245,166,35,.55); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px;
  background: none; border: none;
  font-size: 16px; font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  font-family: var(--font);
}
.faq-q .arrow {
  flex: 0 0 28px;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(245,166,35,.15);
  color: var(--primary-dark);
  font-size: 14px;
  transition: transform .3s ease;
}
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-a-inner { padding: 0 24px 22px; color: var(--ink-soft); font-size: 15px; }

/* ---------------- CTA ---------------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 70%, var(--accent-2) 100%);
  border-radius: 28px;
  padding: 72px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  right: -120px; top: -160px;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  left: -80px; bottom: -120px;
}
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 14px; position: relative; }
.cta-band p { font-size: 17px; opacity: .92; max-width: 620px; margin: 0 auto 32px; position: relative; }
.cta-band .btn-light {
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
}
.cta-band .btn-light:hover { transform: translateY(-3px); }

/* ---------------- 新闻 ---------------- */
.news-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .thumb { height: 100%; min-height: 200px; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .body { padding: 28px 28px 28px 0; }
.news-meta { display: flex; gap: 16px; font-size: 13px; color: var(--muted); margin-bottom: 10px; flex-wrap: wrap; }
.news-meta .cat { color: var(--primary-dark); font-weight: 600; }
.news-card h3 { font-size: 21px; margin-bottom: 10px; line-height: 1.5; }
.news-card h3 a:hover { color: var(--primary-dark); }
.news-card p { color: var(--ink-soft); font-size: 15px; margin-bottom: 14px; }

.article-wrap { max-width: 860px; margin: 0 auto; }
.article-hero { border-radius: var(--radius); box-shadow: var(--shadow-md); margin: 28px 0 40px; }
.article-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 48px; box-shadow: var(--shadow-sm); }
.article-body h2 { font-size: 26px; margin: 36px 0 14px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 20px; margin: 26px 0 10px; }
.article-body p { color: var(--ink-soft); margin-bottom: 16px; }
.article-body ul { padding-left: 6px; margin-bottom: 16px; }
.article-body ul li { padding: 6px 0 6px 26px; position: relative; color: var(--ink-soft); }
.article-body ul li::before {
  content: "";
  position: absolute; left: 4px; top: 16px;
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.article-quote {
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------------- 关于 ---------------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.value-card { text-align: center; padding: 40px 28px; }
.value-card .feature-icon { margin: 0 auto 20px; }

/* ---------------- 联系 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-info-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
  display: flex; gap: 18px; align-items: flex-start;
}
.contact-info-card .feature-icon { margin: 0; flex: 0 0 56px; width: 56px; height: 56px; font-size: 24px; }
.contact-info-card h3 { font-size: 17px; margin-bottom: 4px; }
.contact-info-card p { font-size: 15px; color: var(--muted); }
.contact-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form h2 { font-size: 24px; margin-bottom: 8px; }
.contact-form > p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  transition: border-color .25s ease, box-shadow .25s ease;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(245,166,35,.15);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.72);
  padding: 72px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.6); }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { font-size: 14px; color: rgba(255,255,255,.65); }
.site-footer ul a:hover { color: var(--primary-light); }
.footer-contact li { font-size: 14px; margin-bottom: 12px; display: flex; gap: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

/* ---------------- 回到顶部 ---------------- */
.back-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(245,166,35,.45);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  z-index: 900;
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ---------------- 动画 ---------------- */
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: .4; }
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 560px; }
  .service-row { grid-template-columns: 1fr; gap: 36px; }
  .service-row.reverse .service-media { order: 0; }
  .counter-band { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(255,250,243,.98);
    backdrop-filter: blur(16px);
    padding: 16px 5% 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform .35s ease;
    z-index: 999;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a { padding: 13px 18px; border-radius: var(--radius-sm); text-align: center; }
  .nav-cta { display: none; }
  .hero { padding: 140px 0 72px; }
  .hero-stats { gap: 24px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 1fr; }
  .news-card .thumb { min-height: 200px; }
  .news-card .body { padding: 0 24px 26px; }
  .article-body { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .counter-band { grid-template-columns: 1fr 1fr; padding: 40px 24px; }
  .cta-band { padding: 52px 26px; }
  .float-card.fc1 { left: 6px; }
  .float-card.fc2 { right: 6px; }
}