/* roulang page: index */
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-size: 1rem;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}
input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}
h1, h2, h3 { line-height: 1.3; font-weight: 700; }
ul { list-style: none; }
:focus-visible {
  outline: 2px solid var(--primary-deep);
  outline-offset: 2px;
}

/* ===== Design Variables ===== */
:root {
  --primary: #F4A7B9;
  --primary-deep: #EE8CA1;
  --primary-dark: #D9788F;
  --primary-light: #FDF0F3;
  --ink: #2B2B33;
  --bg: #FFF9FA;
  --gray: #6E6E78;
  --accent: #E8856C;
  --white: #fff;
  --border: rgba(43,43,51,0.08);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space-lg: 96px;
  --space-md: 64px;
  --space-sm: 32px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 4px 20px rgba(43,43,51,0.06);
  --shadow-hover: 0 12px 32px rgba(244,167,185,0.18);
  --shadow-btn: 0 8px 20px rgba(244,167,185,0.35);
  --container: 1200px;
  --bp-lg: 1024px;
  --bp-md: 768px;
}

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

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 4px 24px rgba(43,43,51,0.06);
  transition: background .3s, box-shadow .3s, border-color .3s;
}
.site-header.scrolled {
  background: rgba(255,249,250,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(43,43,51,0.08);
  box-shadow: 0 2px 16px rgba(43,43,51,0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 1px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 6px 2px;
  transition: color .25s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary-dark);
  transition: width .3s;
}
.main-nav a:hover {
  color: var(--primary-dark);
}
.main-nav a:hover::after {
  width: 100%;
}
.main-nav a.active {
  color: var(--primary-dark);
  font-weight: 600;
}
.main-nav a.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .25s, transform .25s;
}
.search-btn:hover {
  background: var(--primary-light);
  transform: scale(1.05);
}
.search-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--ink);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  transition: background .25s, box-shadow .25s, transform .2s;
  box-shadow: 0 2px 8px rgba(244,167,185,0.3);
  white-space: nowrap;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-deep);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--primary-dark);
  transform: scale(0.98);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink);
  transition: background .25s, color .25s, border-color .25s, transform .2s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: scale(0.98);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255,255,255,0.5);
}
.hamburger span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 16px 32px rgba(43,43,51,0.08);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  font-size: 1.0625rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: background .2s, color .2s;
}
.mobile-menu a:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.mobile-menu a.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}
.mobile-search {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  padding: 0 16px;
}
.mobile-search input {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.9375rem;
  transition: border-color .2s, box-shadow .2s;
}
.mobile-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(244,167,185,0.2);
}
.mobile-search button {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-weight: 500;
  font-size: 0.9375rem;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  padding: 120px 0 60px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(253,240,243,0.85) 0%, rgba(255,249,250,0.7) 50%, rgba(244,167,185,0.4) 100%);
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 70%, rgba(255,249,250,0.9) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-live-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 20px;
  padding: 20px;
  max-width: 620px;
  margin: 0 auto 28px;
  box-shadow: 0 12px 40px rgba(244,167,185,0.2);
  text-align: left;
}
.live-cover {
  position: relative;
  width: 120px;
  height: 80px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.live-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.live-cover span {
  position: absolute;
  top: 6px;
  left: 6px;
  background: rgba(217,120,143,0.9);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}
.live-info {
  flex: 1;
  min-width: 0;
}
.live-info .live-label {
  font-size: 0.75rem;
  color: var(--primary-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.live-info .live-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
  margin: 4px 0 8px;
  line-height: 1.4;
}
.countdown {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
}
.countdown .cd-item {
  background: var(--ink);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  min-width: 44px;
  text-align: center;
}
.countdown .cd-sep {
  font-size: 1.25rem;
  color: var(--ink);
  font-weight: 700;
}
.countdown .cd-label {
  font-size: 0.75rem;
  color: var(--gray);
  margin-left: 4px;
}
.hero-subscribe {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}
.hero-subscribe input {
  flex: 1;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(43,43,51,0.12);
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  font-size: 0.9375rem;
  transition: border-color .25s, box-shadow .25s;
}
.hero-subscribe input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(244,167,185,0.2);
}
.hero-subscribe .btn-primary {
  flex-shrink: 0;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat .num {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 0.8125rem;
  color: var(--gray);
  margin-top: 4px;
}
.hero-petals {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.hero-petal {
  position: absolute;
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, rgba(244,167,185,0.7) 0%, rgba(244,167,185,0.2) 70%);
  border-radius: 50% 0 50% 50%;
  opacity: 0.5;
  animation: petal-fall 20s linear infinite;
}
@keyframes petal-fall {
  0% {
    transform: translateY(-10%) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 0.5; }
  90% { opacity: 0.3; }
  100% {
    transform: translateY(110vh) translateX(40px) rotate(360deg);
    opacity: 0;
  }
}

/* ===== Section Common ===== */
.section {
  padding: var(--space-lg) 0;
}
.section-alt {
  background: var(--primary-light);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head .tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  position: relative;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  margin: 12px auto 0;
}
.section-head p {
  color: var(--gray);
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ===== Library Track ===== */
.library {
  padding: var(--space-lg) 0;
  background: var(--bg);
}
.library-track-wrap {
  position: relative;
  overflow: hidden;
}
.library-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--primary-light);
}
.library-track::-webkit-scrollbar {
  height: 6px;
}
.library-track::-webkit-scrollbar-track {
  background: var(--primary-light);
  border-radius: 6px;
}
.library-track::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 6px;
}
.library-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--border);
}
.library-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.library-card .thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.library-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.library-card:hover .thumb img {
  transform: scale(1.05);
}
.library-card .thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(244,167,185,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s;
}
.library-card:hover .thumb-overlay {
  opacity: 1;
}
.library-card .play-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(244,167,185,0.5);
  transform: scale(0.8);
  transition: transform .3s;
}
.library-card:hover .play-icon {
  transform: scale(1);
}
.library-card .play-icon svg {
  width: 18px;
  height: 18px;
  fill: #fff;
  margin-left: 2px;
}
.library-card .card-body {
  padding: 14px 16px;
}
.library-card .card-body h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.library-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--gray);
}
.library-card .badge {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

/* ===== Hot List ===== */
.hot-section {
  padding: var(--space-lg) 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.hot-section::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,167,185,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hot-section .section-head h2 {
  color: #fff;
}
.hot-section .section-head h2::after {
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}
.hot-section .section-head p {
  color: rgba(255,255,255,0.7);
}
.hot-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
}
.hot-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 20px 24px;
  transition: background .3s, border-color .3s, transform .25s;
}
.hot-item:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(244,167,185,0.4);
  transform: translateX(6px);
}
.hot-rank {
  font-size: 2.2rem;
  font-weight: 800;
  min-width: 56px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hot-info {
  flex: 1;
  min-width: 0;
}
.hot-info .hot-title {
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-info .hot-desc {
  color: rgba(255,255,255,0.6);
  font-size: 0.8125rem;
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.hot-tags span {
  background: rgba(244,167,185,0.2);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.hot-item .btn-primary {
  flex-shrink: 0;
  padding: 10px 22px;
  font-size: 0.875rem;
}

/* ===== Playlist ===== */
.playlist-section {
  padding: var(--space-lg) 0;
  background: var(--bg);
}
.playlist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.playlist-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background-position: center;
  background-size: cover;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--border);
}
.playlist-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.playlist-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(43,43,51,0.8) 0%, rgba(43,43,51,0.2) 50%, rgba(43,43,51,0.1) 100%);
}
.playlist-card .content {
  position: relative;
  z-index: 2;
  padding: 24px;
  width: 100%;
}
.playlist-card .pl-badge {
  display: inline-block;
  background: rgba(244,167,185,0.3);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
  backdrop-filter: blur(4px);
}
.playlist-card .content h3 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.playlist-card .content p {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 12px;
}
.playlist-card .content .pl-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255,255,255,0.7);
  font-size: 0.8125rem;
}
.playlist-card .pl-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .25s;
}
.playlist-card .pl-link:hover {
  gap: 8px;
}

/* ===== News & Guide ===== */
.news-section {
  padding: var(--space-lg) 0;
  background: var(--primary-light);
}
.news-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}
.news-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(43,43,51,0.06);
  transition: background .2s;
}
.news-list-item:last-child {
  border-bottom: none;
}
.news-list-item:hover {
  background: var(--primary-light);
}
.news-list-item .title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.6;
  transition: color .2s;
  flex: 1;
}
.news-list-item:hover .title {
  color: var(--primary-dark);
}
.news-list-item .date {
  font-size: 0.8125rem;
  color: var(--gray);
  flex-shrink: 0;
}
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}
.guide-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.guide-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid transparent;
  transition: background .2s, border-color .2s, transform .2s;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
}
.guide-list a:hover {
  background: var(--primary-light);
  border-color: rgba(244,167,185,0.3);
  transform: translateX(4px);
}
.guide-list a .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  flex-shrink: 0;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud a {
  background: var(--bg);
  color: var(--gray);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  transition: background .2s, color .2s, border-color .2s;
}
.tag-cloud a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--space-lg) 0;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 50%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  animation: cta-float 6s ease-in-out infinite alternate;
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  animation: cta-float 8s ease-in-out infinite alternate-reverse;
}
@keyframes cta-float {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(-20px) scale(1.05); }
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  text-shadow: 0 2px 16px rgba(217,120,143,0.3);
}
.cta-inner p {
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 14px 36px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(43,43,51,0.12);
  transition: transform .25s, box-shadow .25s;
  cursor: pointer;
  border: none;
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(43,43,51,0.18);
}
.btn-white:active {
  transform: scale(0.98);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background .2s, color .2s;
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}
.footer-social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color .2s;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .main-nav {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 64px;
    --space-md: 40px;
  }
  .container {
    padding: 0 16px;
  }
  .main-nav {
    display: none;
  }
  .header-actions .search-btn,
  .header-actions .btn-primary {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero {
    min-height: 100vh;
    padding: 100px 0 40px;
  }
  .hero h1 {
    font-size: 1.9rem;
    line-height: 1.4;
  }
  .hero-subtitle {
    font-size: 0.9375rem;
  }
  .hero-live-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .live-cover {
    width: 100%;
    height: 160px;
  }
  .hero-subscribe {
    flex-direction: column;
  }
  .hero-stats {
    gap: 24px;
  }
  .library-card {
    flex-basis: 220px;
  }
  .hot-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .hot-rank {
    font-size: 1.8rem;
    min-width: auto;
    text-align: left;
  }
  .hot-info .hot-desc {
    white-space: normal;
  }
  .hot-item .btn-primary {
    width: 100%;
  }
  .playlist-grid {
    grid-template-columns: 1fr;
  }
  .news-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  .library-card {
    flex-basis: 180px;
  }
  .hot-tags {
    flex-wrap: wrap;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .btn-primary,
  .btn-secondary {
    padding: 10px 20px;
    font-size: 0.875rem;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #F4A7B9;
  --primary-deep: #EE8CA1;
  --primary-dark: #D9788F;
  --primary-light: #FDF0F3;
  --ink: #2B2B33;
  --bg: #FFF9FA;
  --gray: #6E6E78;
  --accent: #E8856C;
  --white: #fff;
  --border: rgba(43,43,51,0.08);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space-lg: 96px;
  --space-md: 64px;
  --space-sm: 32px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 4px 20px rgba(43,43,51,0.06);
  --shadow-hover: 0 12px 32px rgba(244,167,185,0.18);
  --shadow-btn: 0 8px 20px rgba(244,167,185,0.35);
  --container: 1200px;
  --bp-lg: 1024px;
  --bp-md: 768px;
}
:root {
  --space-lg: 64px;
  --space-md: 40px;
}
/* ===== 基础重置 ===== */
* { 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(--ink);
  line-height: 1.8;
  font-size: 1rem;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
button { font-family: inherit; border: none; background: none; cursor: pointer; outline: none; }
input, textarea { font-family: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
/* ===== 容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
/* ===== Header / 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 4px 24px rgba(43,43,51,0.06);
  transition: background .3s, box-shadow .3s, border-color .3s;
}
.site-header.scrolled {
  background: rgba(255,249,250,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(43,43,51,0.08);
  box-shadow: 0 2px 16px rgba(43,43,51,0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 1px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 6px 2px;
  transition: color .25s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary-dark);
  transition: width .3s;
}
.main-nav a:hover {
  color: var(--primary-dark);
}
.main-nav a:hover::after {
  width: 100%;
}
.main-nav a.active {
  color: var(--primary-dark);
  font-weight: 600;
}
.main-nav a.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .25s, transform .25s;
}
.search-btn:hover {
  background: var(--primary-light);
  transform: scale(1.05);
}
.search-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--ink);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  transition: background .25s, box-shadow .25s, transform .2s;
  box-shadow: 0 2px 8px rgba(244,167,185,0.3);
  white-space: nowrap;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-deep);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--primary-dark);
  transform: scale(0.98);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink);
  transition: background .25s, color .25s, border-color .25s, transform .2s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: scale(0.98);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255,255,255,0.5);
}
.hamburger span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 16px 32px rgba(43,43,51,0.08);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  font-size: 1.0625rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: background .2s, color .2s;
}
.mobile-menu a:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.mobile-menu a.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}
.mobile-search {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  padding: 0 16px;
}
.mobile-search input {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.9375rem;
  transition: border-color .25s, box-shadow .25s;
}
.mobile-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(244,167,185,0.2);
}
/* ===== 通用组件 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  background: rgba(244,167,185,0.12);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-top: 12px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  margin: 12px auto 0;
}
.section-head p {
  color: var(--gray);
  max-width: 640px;
  margin: 12px auto 0;
  font-size: 1rem;
}
/* ===== 分类页 Hero ===== */
.page-hero {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: flex-end;
  padding: 140px 0 56px;
  background: linear-gradient(135deg, rgba(244,167,185,0.3), rgba(255,249,250,0.7) 55%, rgba(255,249,250,0.96));
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  opacity: 0.45;
  z-index: -1;
}
.page-hero .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--gray);
  transition: color .2s;
}
.breadcrumb a:hover {
  color: var(--primary-dark);
}
.breadcrumb .sep {
  color: rgba(43,43,51,0.3);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 12px;
}
.page-hero h1 span {
  color: var(--primary-dark);
}
.page-hero .lead {
  font-size: 1.0625rem;
  color: var(--gray);
  max-width: 640px;
  margin-bottom: 28px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #fff;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 20px rgba(43,43,51,0.08);
  transition: background .25s, transform .2s, box-shadow .25s;
}
.btn-white:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-white:active {
  transform: scale(0.98);
}
/* ===== 筛选标签栏 ===== */
.filter-bar {
  position: sticky;
  top: 72px;
  z-index: 600;
  background: rgba(255,249,250,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.filter-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid rgba(244,167,185,0.4);
  color: var(--primary-dark);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  transition: all .25s;
  cursor: pointer;
}
.filter-tags .tag:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}
.filter-tags .tag.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-btn);
}
.filter-tags .tag:active {
  transform: scale(0.98);
}
/* ===== 视频网格（一大两小交错） ===== */
.video-grid-section {
  padding: var(--space-lg) 0;
}
.video-group {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
}
.video-group:nth-child(even) {
  flex-direction: row-reverse;
}
.video-group .video-card.is-large {
  flex: 0 0 58%;
}
.video-group-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
/* 视频卡片 */
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--border);
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.video-cover {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #FBE9ED, #FDF0F3);
}
.video-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.video-card:hover .video-cover img {
  transform: scale(1.05);
}
.duration {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(43,43,51,0.65);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%) scale(0.8);
  opacity: 0;
  transition: opacity .3s, transform .3s;
  box-shadow: 0 8px 24px rgba(244,167,185,0.4);
}
.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.play-btn svg {
  width: 20px;
  height: 20px;
  fill: #fff;
  margin-left: 2px;
}
.video-info {
  padding: 20px;
}
.video-card.is-large {
  display: flex;
  flex-direction: row;
}
.video-card.is-large .video-cover {
  flex: 0 0 55%;
  aspect-ratio: 16/10;
  min-height: 220px;
}
.video-card.is-large .video-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
}
.video-card:not(.is-large) .video-cover {
  aspect-ratio: 16/9;
}
.video-card:not(.is-large) .video-info {
  padding: 16px 18px;
}
.video-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 8px 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--ink);
}
.video-card.is-large h3 {
  font-size: 1.375rem;
  margin-top: 10px;
}
.video-card .desc {
  font-size: 0.9375rem;
  color: var(--gray);
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8125rem;
  color: var(--gray);
}
.video-card .meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
/* ===== 分页器 ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.page-num, .page-btn {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.9375rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  padding: 0 16px;
  transition: all .25s;
}
.page-num {
  border-radius: 50%;
  padding: 0;
}
.page-num:hover, .page-btn:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-light);
}
.page-num.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-btn);
}
.page-btn:active {
  transform: scale(0.97);
}
/* ===== 内容简介 / 专题说明 ===== */
.about-section {
  padding: var(--space-lg) 0;
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text .badge {
  margin-bottom: 16px;
}
.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}
.about-text p {
  color: var(--gray);
  margin-bottom: 20px;
  font-size: 1rem;
}
.about-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--ink);
}
.about-list li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
}
.about-visual {
  position: relative;
  padding: 24px 0 24px 24px;
}
.about-visual img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
}
.about-visual img:first-child {
  margin-bottom: 24px;
  aspect-ratio: 16/9;
}
.about-visual img:last-child {
  width: 78%;
  margin-left: auto;
  aspect-ratio: 16/9;
}
/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-lg) 0;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: color .25s, background .25s;
}
.faq-question:hover {
  color: var(--primary-dark);
}
.faq-question .flower {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--primary);
  transition: transform .3s;
}
.faq-item.open .faq-question .flower {
  transform: rotate(45deg);
}
.faq-question .arrow {
  margin-left: auto;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--gray);
  transition: transform .3s, color .3s;
}
.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
  color: var(--primary-dark);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 240px;
}
.faq-answer p {
  padding: 0 24px 20px 60px;
  font-size: 0.9375rem;
  color: var(--gray);
}
/* ===== CTA ===== */
.cta-section {
  padding: var(--space-lg) 0;
  background: linear-gradient(135deg, #F4A7B9, #EE8CA1 50%, #D9788F);
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 1.0625rem;
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta-section .btn-white {
  font-size: 1rem;
  box-shadow: 0 12px 28px rgba(43,43,51,0.12);
}
.cta-section .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(43,43,51,0.18);
}
/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.68);
  padding: 64px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .25s, transform .25s;
}
.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}
.footer-social svg {
  width: 18px;
  height: 18px;
  fill: #fff;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color .2s;
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-nav {
    gap: 18px;
  }
  .main-nav a {
    font-size: 0.875rem;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .main-nav,
  .header-actions .search-btn,
  .header-actions .btn-primary {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .header-inner {
    height: 64px;
  }
  .mobile-menu {
    top: 64px;
  }
  .page-hero {
    min-height: 56vh;
    padding-top: 110px;
  }
  .video-group,
  .video-group:nth-child(even) {
    flex-direction: column;
  }
  .video-group .video-card.is-large {
    flex: auto;
  }
  .video-card.is-large {
    flex-direction: column;
  }
  .video-card.is-large .video-cover {
    flex: auto;
    min-height: 0;
  }
  .about-visual {
    padding: 0;
  }
  .about-visual img:last-child {
    width: 90%;
  }
  .filter-bar {
    top: 64px;
  }
  .page-num, .page-btn {
    min-width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-question {
    font-size: 0.9375rem;
    padding: 14px 16px;
  }
  .faq-answer p {
    padding: 0 16px 16px 44px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .video-card.is-large .video-info {
    padding: 16px;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-secondary {
    padding: 10px 20px;
    font-size: 0.875rem;
  }
  .page-hero h1 {
    font-size: 1.9rem;
  }
}