/* roulang page: index */
:root {
  --color-primary: #F28C28;
  --color-primary-dark: #D9781F;
  --color-primary-light: #FFF3E6;
  --color-secondary: #F4A7B9;
  --color-secondary-light: #FDF0F3;
  --color-bg: #FFF9F0;
  --color-bg-light: #FDF7EF;
  --color-dark: #3B2F2F;
  --color-dark-light: #4A3B3A;
  --color-text: #4A4038;
  --color-text-light: #8C7B6D;
  --color-border: #EAD9C8;
  --color-white: #FFFFFF;
  --radius-card: 16px;
  --radius-pill: 999px;
  --radius-btn: 999px;
  --shadow-card: 0 4px 16px rgba(74,59,50,.08);
  --shadow-card-hover: 0 8px 24px rgba(74,59,50,.14);
  --shadow-header: 0 4px 20px rgba(74,59,50,.08);
  --shadow-cta: 0 8px 30px rgba(242,140,40,.28);
  --transition: .3s ease;
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max-width: 1200px;
  --header-height: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; border-radius: var(--radius-card); }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }
input { border: none; outline: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1.5;
  letter-spacing: .3px;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: scale(1.02); color: #fff; box-shadow: 0 6px 18px rgba(242,140,40,.32); }
.btn-primary:active { transform: scale(.98); box-shadow: none; }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: scale(1.02); }
.btn-outline:active { transform: scale(.98); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-btn);
}

.section-pad { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-tag {
  display: inline-block;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 30px; line-height: 1.35; color: var(--color-dark); margin-bottom: 10px; }
.section-header p { color: var(--color-text-light); font-size: 15px; max-width: 560px; margin: 0 auto; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 249, 240, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(234, 217, 200, .7);
  z-index: 999;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-header); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-dark);
  white-space: nowrap;
}
.logo svg { flex-shrink: 0; }
.logo:hover { color: var(--color-dark); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--color-primary); background: var(--color-primary-light); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-light); font-weight: 600; }
.header-cta { padding: 10px 24px; font-size: 14px; flex-shrink: 0; }

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 48px) 0 64px;
  background: linear-gradient(to bottom, var(--color-bg-light), var(--color-bg));
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  opacity: .18;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 20%, rgba(242,140,40,.14), rgba(255,249,240,0) 60%);
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy h1 {
  font-size: 40px;
  line-height: 1.3;
  color: var(--color-dark);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.hero-copy h1 span { color: var(--color-primary); }
.hero-sub {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 420px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual {
  position: relative;
  height: 380px;
}
.hero-visual-bg {
  position: absolute;
  top: 10px;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background: var(--color-dark);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}
.hero-visual-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  opacity: .85;
}
.hero-visual-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,47,47,.42), rgba(59,47,47,.12));
  border-radius: 24px;
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 32px rgba(59,47,47,.2);
  overflow: hidden;
  border: 3px solid rgba(255,255,255,.9);
  z-index: 2;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-card img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.hero-card .hero-card-tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: rgba(59,47,47,.72);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.hero-card-1 { width: 54%; top: 4px; left: 6%; transform: rotate(-4deg); z-index: 3; aspect-ratio: 16/10; }
.hero-card-2 { width: 34%; top: 92px; right: 4%; transform: rotate(3deg); z-index: 4; aspect-ratio: 3/4; }
.hero-card-3 { width: 30%; bottom: 10px; left: 30%; transform: rotate(-2deg); z-index: 2; aspect-ratio: 16/11; }
.hero-card:hover { transform: rotate(0) scale(1.03); z-index: 8; box-shadow: 0 16px 40px rgba(59,47,47,.26); }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.hero-stat h3 { font-size: 28px; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
.hero-stat p { font-size: 13px; color: var(--color-text-light); margin-top: 4px; }

/* ========== 服务专区 ========== */
.services { background: var(--color-bg); }
.services .section-header h2 { font-size: 32px; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.service-cover { position: relative; overflow: hidden; }
.service-cover img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 0; transition: transform .4s ease; }
.service-card:hover .service-cover img { transform: scale(1.04); }
.service-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(244,167,185,.4);
}
.service-icon {
  position: absolute;
  top: -24px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(242,140,40,.18);
  border: 2px solid #fff;
}
.service-body { padding: 22px 22px 26px; }
.service-body h3 { font-size: 19px; color: var(--color-dark); margin-bottom: 8px; font-weight: 700; }
.service-body p { font-size: 14px; color: var(--color-text-light); line-height: 1.7; margin-bottom: 14px; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition);
}
.service-link:hover { gap: 8px; color: var(--color-primary-dark); }

/* ========== 数据带 ========== */
.stats-band {
  background: var(--color-dark);
  padding: 64px 0;
  border-radius: 0;
}
.stats-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.stat-item { flex: 1; text-align: center; position: relative; padding: 0 20px; }
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,.12);
}
.stat-item h3 {
  font-size: 38px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(242,140,40,.2);
}
.stat-item p { font-size: 13px; color: rgba(255,249,240,.7); margin-top: 6px; }

/* ========== 案例精选 ========== */
.featured { background: var(--color-bg-light); }
.featured-main {
  display: grid;
  grid-template-columns: 55% 45%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}
.featured-main:hover { box-shadow: var(--shadow-card-hover); }
.featured-cover { position: relative; overflow: hidden; }
.featured-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; transition: transform .4s ease; }
.featured-main:hover .featured-cover img { transform: scale(1.03); }
.featured-cover .play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 64px;
  height: 64px;
  background: rgba(242,140,40,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 6px 24px rgba(242,140,40,.5);
  transition: all var(--transition);
}
.featured-main:hover .play-badge { transform: translate(-50%,-50%) scale(1.1); }
.featured-cover .duration-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(59,47,47,.76);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.featured-info { padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.featured-info h3 { font-size: 22px; color: var(--color-dark); margin-bottom: 10px; line-height: 1.4; }
.featured-info .featured-desc { color: var(--color-text-light); font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.featured-info .featured-meta { display: flex; gap: 18px; color: var(--color-text-light); font-size: 13px; }
.featured-info .featured-meta i { font-style: normal; }
.featured-info .btn { align-self: flex-start; margin-top: 18px; }
.featured-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.featured-sub-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.featured-sub-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.featured-sub-card .sub-cover { position: relative; overflow: hidden; }
.featured-sub-card .sub-cover img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 0; transition: transform .4s ease; }
.featured-sub-card:hover .sub-cover img { transform: scale(1.04); }
.featured-sub-card .sub-meta { position: absolute; left: 12px; bottom: 12px; background: rgba(59,47,47,.76); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: var(--radius-pill); }
.sub-body { padding: 16px 18px; }
.sub-body h4 { font-size: 15px; color: var(--color-dark); margin-bottom: 4px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sub-body .sub-stats { font-size: 13px; color: var(--color-text-light); display: flex; align-items: center; gap: 6px; }

/* ========== 方案区 ========== */
.pricing { background: var(--color-bg); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.pricing-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.pricing-card.recommended {
  border: 2px solid var(--color-primary);
  box-shadow: 0 8px 32px rgba(242,140,40,.18);
  position: relative;
}
.pricing-card.recommended .badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(244,167,185,.4);
}
.pricing-card h3 { font-size: 20px; color: var(--color-dark); margin-bottom: 14px; }
.pricing-card .price { font-size: 40px; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
.pricing-card .price-sub { font-size: 13px; color: var(--color-text-light); margin-bottom: 20px; }
.pricing-card ul { flex: 1; margin-bottom: 24px; }
.pricing-card ul li {
  font-size: 14px;
  color: var(--color-text);
  padding: 7px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.6;
}
.pricing-card ul li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-card .btn { width: 100%; }

/* ========== 资讯区 ========== */
.news { background: var(--color-bg-light); }
.news-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}
.news-list-title { font-size: 18px; font-weight: 700; color: var(--color-dark); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.news-item:hover { background: rgba(255,255,255,.6); padding-left: 8px; }
.news-date {
  font-size: 13px;
  color: var(--color-text-light);
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.news-title { font-size: 15px; color: var(--color-text); flex: 1; line-height: 1.5; }
.news-item:hover .news-title { color: var(--color-primary); }
.news-arrow { color: var(--color-primary); font-size: 16px; transition: transform var(--transition); }
.news-item:hover .news-arrow { transform: translateX(4px); }
.news-sidebar { border-left: 1px solid var(--color-border); padding-left: 32px; }
.news-sidebar h3 { font-size: 16px; font-weight: 700; color: var(--color-dark); margin-bottom: 16px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.tag {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}
.tag:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }
.subscribe-form { display: flex; gap: 8px; flex-wrap: wrap; }
.subscribe-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  font-size: 14px;
  color: var(--color-text);
  transition: all var(--transition);
  min-width: 0;
}
.subscribe-form input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(242,140,40,.18); }
.subscribe-form .btn { padding: 12px 22px; flex-shrink: 0; }

/* ========== FAQ ========== */
.faq { background: var(--color-bg); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  transition: background var(--transition);
  border-radius: 8px;
}
.faq-question:hover { background: var(--color-primary-light); }
.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all .3s ease;
}
.faq-icon::before { width: 14px; height: 2px; top: 11px; left: 5px; }
.faq-icon::after { width: 2px; height: 14px; top: 5px; left: 11px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 8px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
}
.faq-item.active .faq-answer { max-height: 260px; padding: 0 8px 24px; }

/* ========== 最终CTA ========== */
.final-cta {
  position: relative;
  background: var(--color-dark);
  background-image: radial-gradient(circle at 20% 0%, rgba(242,140,40,.35), transparent 65%);
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.final-cta .cta-inner { max-width: 720px; margin: 0 auto; }
.final-cta h2 { font-size: 30px; font-weight: 800; line-height: 1.4; margin-bottom: 12px; }
.final-cta p { font-size: 15px; color: rgba(255,249,240,.8); margin-bottom: 28px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.cta-actions .btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.cta-actions .btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.cta-contact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 32px;
}
.cta-contact-item { text-align: center; }
.cta-contact-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid rgba(255,255,255,.2);
}
.cta-contact-item h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cta-contact-item p { font-size: 13px; color: rgba(255,249,240,.7); margin: 0; }

/* ========== 页脚 ========== */
.site-footer { background: var(--color-dark); color: rgba(255,249,240,.7); padding: 56px 0 24px; border-top: 1px solid rgba(255,255,255,.06); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-about .logo { color: #fff; margin-bottom: 12px; font-size: 18px; }
.footer-about p { font-size: 14px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,249,240,.7); transition: all var(--transition); }
.footer-col ul a:hover { color: var(--color-primary); padding-left: 4px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: rgba(255,249,240,.8);
  transition: all var(--transition);
}
.social-link:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,249,240,.5);
}
.footer-bottom a { color: rgba(255,249,240,.8); }
.footer-bottom a:hover { color: var(--color-primary); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .hero-card-2 { right: 0; width: 32%; }
  .hero-card-3 { left: 28%; }
  .service-grid, .pricing-grid { gap: 20px; }
  .featured-info { padding: 24px; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }
  .hero { padding: calc(var(--header-height) + 32px) 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 300px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat h3 { font-size: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .stats-inner { flex-wrap: wrap; gap: 24px; }
  .stat-item { flex-basis: 44%; }
  .stat-item + .stat-item::before { display: none; }
  .featured-main { grid-template-columns: 1fr; }
  .featured-sub { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; gap: 24px; }
  .pricing-card.recommended { order: -1; }
  .news-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-sidebar { border-left: none; padding-left: 0; border-top: 1px solid var(--color-border); padding-top: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-contact-list { grid-template-columns: 1fr; gap: 20px; }
  .main-nav .nav-link { padding: 8px 10px; font-size: 13px; }
  .logo { font-size: 17px; }
  .header-cta { padding: 8px 18px; font-size: 13px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-copy h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { height: 240px; }
  .hero-stats { gap: 16px; }
  .hero-stat h3 { font-size: 20px; }
  .section-header h2 { font-size: 24px; }
  .header-inner { gap: 8px; }
  .main-nav { gap: 2px; }
  .nav-link { padding: 6px 8px; font-size: 12px; }
  .logo { font-size: 15px; }
  .logo svg { width: 20px; height: 20px; }
  .header-cta { padding: 6px 14px; font-size: 12px; }
  .featured-info { padding: 18px; }
  .featured-info h3 { font-size: 18px; }
  .final-cta h2 { font-size: 24px; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --color-primary: #F28C28;
  --color-primary-dark: #D9781F;
  --color-primary-light: #FFF3E6;
  --color-secondary: #F4A7B9;
  --color-secondary-light: #FDF0F3;
  --color-bg: #FFF9F0;
  --color-bg-light: #FDF7EF;
  --color-dark: #3B2F2F;
  --color-dark-light: #4A3B3A;
  --color-text: #4A4038;
  --color-text-light: #8C7B6D;
  --color-border: #EAD9C8;
  --color-white: #FFFFFF;
  --radius-card: 16px;
  --radius-pill: 999px;
  --radius-btn: 999px;
  --shadow-card: 0 4px 16px rgba(74,59,50,.08);
  --shadow-card-hover: 0 8px 24px rgba(74,59,50,.14);
  --shadow-header: 0 4px 20px rgba(74,59,50,.08);
  --shadow-cta: 0 8px 30px rgba(242,140,40,.28);
  --transition: .3s ease;
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max-width: 1200px;
  --header-height: 64px;
}
/* ========== 基础 Reset ========== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 12px); }
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; border-radius: var(--radius-card); }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }
input { border: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1.5;
  letter-spacing: .3px;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: scale(1.02); color: #fff; box-shadow: 0 6px 18px rgba(242,140,40,.32); }
.btn-primary:active { transform: scale(.98); box-shadow: none; }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: scale(1.02); }
.btn-outline:active { transform: scale(.98); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-btn);
}
/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,249,240,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(234,217,200,.7);
  z-index: 999;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-header); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-dark);
  white-space: nowrap;
}
.logo svg { flex-shrink: 0; }
.logo:hover { color: var(--color-dark); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--color-primary); background: var(--color-primary-light); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-light); font-weight: 600; }
.header-cta { padding: 10px 24px; font-size: 14px; flex-shrink: 0; }
/* ========== 分类 Hero ========== */
.category-hero {
  position: relative;
  padding: calc(var(--header-height) + 80px) 0 72px;
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-light));
  overflow: hidden;
  text-align: center;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  opacity: .32;
  z-index: 0;
}
.category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(59,47,47,.72), rgba(59,47,47,.88));
  z-index: 0;
}
.category-hero .container { position: relative; z-index: 1; }
.category-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(244,167,185,.18);
  border: 1px solid rgba(244,167,185,.5);
  color: #FFD3DE;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: .4px;
}
.category-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: #FFF9F0;
  line-height: 1.3;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.category-hero h1 span { color: var(--color-primary); }
.category-hero-divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 4px;
  margin: 0 auto 16px;
}
.category-hero p {
  font-size: 16px;
  color: rgba(255,249,240,.78);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}
.category-hero p strong { color: #FFD9A3; font-weight: 600; }
/* ========== 标签筛选条 ========== */
.filter-bar-wrap {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 50;
}
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-chip {
  flex-shrink: 0;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-chip:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.filter-chip.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.filter-chip:focus-visible { outline-offset: 2px; }
/* ========== 分类页主体布局 ========== */
.category-main {
  padding: 48px 0 80px;
  background: var(--color-bg);
}
.category-layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 40px;
  align-items: start;
}
.video-grid-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.video-grid-head h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
}
.video-grid-head h2 em {
  font-style: normal;
  color: var(--color-primary);
}
.video-grid-head .result-count {
  font-size: 13px;
  color: var(--color-text-light);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}
/* ========== 视频网格 ========== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.video-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.video-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 0;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform .4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.04); }
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(59,47,47,.28), transparent 45%);
  transition: opacity var(--transition);
  opacity: .6;
}
.video-card:hover .video-thumb::after { opacity: .9; }
.video-duration {
  position: absolute;
  left: 12px;
  bottom: 10px;
  background: rgba(59,47,47,.72);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: .3px;
  z-index: 2;
}
.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(.8);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  transition: all var(--transition);
  box-shadow: 0 6px 20px rgba(242,140,40,.45);
  z-index: 2;
}
.video-card:hover .video-play-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-play-icon:hover { background: var(--color-primary-dark); }
.video-info { padding: 16px 16px 14px; }
.video-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 45px;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.video-card:hover .video-title { color: var(--color-primary); }
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-light);
}
.video-meta .video-tag {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
/* ========== 分页条 ========== */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.page-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.page-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: scale(1.04);
}
.page-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(242,140,40,.3);
}
.page-btn.arrow { font-size: 18px; border-radius: 50%; }
.page-btn.arrow:hover { transform: scale(1.04); }
.page-btn:active { transform: scale(.95); }
/* ========== 侧栏热门榜 ========== */
.side-widget {
  position: sticky;
  top: calc(var(--header-height) + 70px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
}
.side-widget-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.side-widget-title .fire {
  font-size: 20px;
  line-height: 1;
}
.hot-list { display: flex; flex-direction: column; }
.hot-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(234,217,200,.5);
  transition: background var(--transition);
}
.hot-item:last-child { border-bottom: none; padding-bottom: 0; }
.hot-item:hover { background: var(--color-bg-light); }
.hot-num {
  font-size: 22px;
  font-weight: 800;
  font-style: italic;
  color: var(--color-primary);
  width: 26px;
  flex-shrink: 0;
  text-align: center;
}
.hot-item:nth-child(2) .hot-num { color: #E8762C; }
.hot-item:nth-child(3) .hot-num { color: #E8A35C; }
.hot-thumb {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.hot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.hot-info {
  flex: 1;
  min-width: 0;
}
.hot-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
  transition: color var(--transition);
}
.hot-item:hover .hot-name { color: var(--color-primary); }
.hot-views {
  font-size: 12px;
  color: var(--color-text-light);
}
/* ========== 观影指南 FAQ ========== */
.guide-section {
  padding: 80px 0;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-tag {
  display: inline-block;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 30px; line-height: 1.35; color: var(--color-dark); margin-bottom: 10px; }
.section-header p { color: var(--color-text-light); font-size: 15px; max-width: 560px; margin: 0 auto; }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--color-primary); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding var(--transition);
  color: var(--color-text-light);
  font-size: 14px;
  line-height: 1.7;
  padding: 0 8px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 8px 20px;
}
/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 70px 0;
  background:
    radial-gradient(ellipse at 10% 20%, rgba(242,140,40,.32), transparent 55%),
    var(--color-dark);
  text-align: center;
  overflow: hidden;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 10px;
}
.cta-sub {
  font-size: 15px;
  color: rgba(255,249,240,.72);
  margin-bottom: 28px;
}
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-actions .btn-outline { border-color: rgba(255,249,240,.6); color: #FFF9F0; }
.cta-actions .btn-outline:hover { background: #FFF9F0; color: var(--color-dark); border-color: #FFF9F0; }
/* ========== 页脚 ========== */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,249,240,.75);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,249,240,.1);
}
.footer-about .logo { color: #FFF9F0; font-size: 20px; margin-bottom: 14px; }
.footer-about p { font-size: 14px; line-height: 1.8; color: rgba(255,249,240,.62); max-width: 320px; }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFF9F0;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,249,240,.65); transition: color var(--transition); }
.footer-col ul a:hover { color: var(--color-primary); }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,249,240,.24);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(255,249,240,.7);
  transition: all var(--transition);
}
.social-link:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-2px); }
.footer-bottom {
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,249,240,.42);
}
/* ========== 响应式 ========== */
@media (min-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .category-layout { grid-template-columns: 1fr; }
  .side-widget { position: static; margin-top: 36px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .header-inner { gap: 12px; }
  .logo { font-size: 17px; gap: 6px; }
  .logo svg { width: 22px; height: 22px; }
  .main-nav { gap: 2px; }
  .nav-link { padding: 6px 9px; font-size: 13px; }
  .header-cta { padding: 8px 14px; font-size: 13px; }
  .category-hero { padding: calc(var(--header-height) + 56px) 0 48px; }
  .category-hero h1 { font-size: 30px; }
  .category-layout { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .side-widget { position: static; margin-top: 36px; }
  .video-grid-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pagination-wrap { overflow-x: auto; justify-content: flex-start; padding-bottom: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-title { font-size: 24px; }
  .section-header h2 { font-size: 26px; }
}