/* =============================================
   抖音风传媒 - 主样式表
   品牌色：樱花粉 #F4A7B9 / 深玫瑰 #C2185B / 金色 #C9A84C / 深灰 #1A1A2E
   ============================================= */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: #fafafa;
  color: #2d2d2d;
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .25s; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ---- CSS 变量 ---- */
:root {
  --pink:       #F4A7B9;
  --rose:       #C2185B;
  --rose-dark:  #880E4F;
  --gold:       #C9A84C;
  --gold-light: #F5E6C8;
  --dark:       #1A1A2E;
  --dark2:      #16213E;
  --gray:       #6b7280;
  --light:      #fdf6f8;
  --white:      #ffffff;
  --radius:     12px;
  --shadow:     0 4px 24px rgba(194,24,91,.10);
  --shadow-lg:  0 8px 40px rgba(194,24,91,.16);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---- 顶部公告条 ---- */
.top-bar {
  background: linear-gradient(90deg, var(--rose-dark), var(--rose), var(--gold));
  color: #fff;
  text-align: center;
  font-size: .82rem;
  padding: 6px 16px;
  letter-spacing: .04em;
}
.top-bar a { color: #fff; text-decoration: underline; margin-left: 8px; }

/* ---- 头部导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(244,167,185,.3);
  box-shadow: 0 2px 16px rgba(194,24,91,.07);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--pink);
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .06em;
}
.logo-sub {
  font-size: .68rem;
  color: var(--gray);
  letter-spacing: .08em;
  display: block;
  margin-top: -4px;
}

/* 搜索框 */
.header-search {
  flex: 1;
  max-width: 360px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 9px 44px 9px 16px;
  border: 1.5px solid var(--pink);
  border-radius: 24px;
  font-size: .9rem;
  background: var(--light);
  color: var(--dark);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header-search input:focus {
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(194,24,91,.12);
}
.header-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--rose);
  font-size: 1.1rem;
  padding: 4px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--dark);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: var(--light);
  color: var(--rose);
}
.nav-btn {
  background: linear-gradient(135deg, var(--rose), var(--gold)) !important;
  color: #fff !important;
  padding: 7px 18px !important;
  border-radius: 20px !important;
  font-weight: 600 !important;
}
.nav-btn:hover { opacity: .9; transform: translateY(-1px); }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 英雄区 ---- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero_banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.55);
  transform: scale(1.03);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.0); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,.7) 0%, rgba(194,24,91,.25) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  color: #fff;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(244,167,185,.2);
  border: 1px solid rgba(244,167,185,.5);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .8rem;
  letter-spacing: .08em;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  opacity: .88;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  color: #fff;
  padding: 13px 28px;
  border-radius: 28px;
  font-size: .95rem;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(194,24,91,.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(194,24,91,.5); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,.7);
  color: #fff;
  padding: 11px 26px;
  border-radius: 28px;
  font-size: .95rem;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label { font-size: .78rem; opacity: .75; letter-spacing: .06em; }

/* ---- 通用区块 ---- */
.section { padding: 72px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  background: var(--gold-light);
  color: var(--rose);
  font-size: .78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 12px;
  letter-spacing: .1em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.section-header p { color: var(--gray); font-size: 1rem; max-width: 560px; margin: 0 auto; }

/* ---- 视频卡片网格 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--dark);
}
.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  transform: scale(.85);
  transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--rose);
  margin-left: 4px;
}
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--rose);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 8px;
  letter-spacing: .05em;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.7);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 5px;
}
.video-info { padding: 14px 16px 16px; }
.video-info h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .78rem;
  color: var(--gray);
}
.video-meta span { display: flex; align-items: center; gap: 3px; }

/* ---- 功能模块卡片 ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rose), var(--gold));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(244,167,185,.3); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold-light), rgba(244,167,185,.3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.feature-card p { font-size: .85rem; color: var(--gray); line-height: 1.6; }

/* ---- 专家展示 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.expert-photo {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.expert-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .5s;
}
.expert-card:hover .expert-photo img { transform: scale(1.05); }
.expert-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,.8) 0%, transparent 60%);
}
.expert-body { padding: 18px 18px 20px; }
.expert-title {
  font-size: .75rem;
  font-weight: 700;
  color: var(--rose);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.expert-body h3 { font-size: 1.05rem; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.expert-body p { font-size: .83rem; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.expert-tag {
  background: var(--gold-light);
  color: var(--rose-dark);
  font-size: .7rem;
  padding: 3px 9px;
  border-radius: 8px;
  font-weight: 600;
}
.expert-actions { display: flex; gap: 8px; }
.btn-sm {
  flex: 1;
  text-align: center;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-sm-primary { background: var(--rose); color: #fff; }
.btn-sm-primary:hover { background: var(--rose-dark); }
.btn-sm-outline { border: 1.5px solid var(--rose); color: var(--rose); }
.btn-sm-outline:hover { background: var(--rose); color: #fff; }

/* ---- 合作品牌墙 ---- */
.partner-section { background: var(--light); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  align-items: center;
}
.partner-item {
  background: #fff;
  border-radius: 10px;
  padding: 16px 20px;
  text-align: center;
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray);
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
  transition: var(--transition);
  border: 1px solid transparent;
}
.partner-item:hover { color: var(--rose); border-color: var(--pink); transform: translateY(-2px); }

/* ---- 评价区 ---- */
.reviews-section { background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%); }
.reviews-section .section-header h2 { color: #fff; }
.reviews-section .section-header p { color: rgba(255,255,255,.6); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(244,167,185,.2);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), background var(--transition);
}
.review-card:hover { background: rgba(255,255,255,.1); border-color: rgba(244,167,185,.5); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { color: rgba(255,255,255,.85); font-size: .88rem; line-height: 1.7; margin-bottom: 16px; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}
.review-name { font-size: .85rem; font-weight: 700; color: #fff; }
.review-date { font-size: .72rem; color: rgba(255,255,255,.45); }

/* ---- FAQ ---- */
.faq-section { background: var(--light); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(244,167,185,.25);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(194,24,91,.05);
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  text-align: left;
  font-size: .95rem;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color var(--transition);
}
.faq-q:hover { color: var(--rose); }
.faq-q .arrow {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .75rem;
  color: var(--rose);
  transition: transform var(--transition), background var(--transition);
}
.faq-item.open .faq-q .arrow { transform: rotate(180deg); background: var(--rose); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  padding: 0 20px;
  font-size: .88rem;
  color: var(--gray);
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 20px 18px; }

/* ---- 联系区 ---- */
.contact-section { background: #fff; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 800; color: var(--dark); margin-bottom: 18px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: .9rem;
}
.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label { font-size: .75rem; color: var(--gray); display: block; }
.contact-val { font-weight: 600; color: var(--dark); }
.qr-group { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-box { text-align: center; }
.qr-placeholder {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--gold-light), rgba(244,167,185,.3));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 8px;
  border: 1px solid rgba(244,167,185,.4);
}
.qr-label { font-size: .75rem; color: var(--gray); font-weight: 600; }

/* ---- 社交分享 ---- */
.share-bar {
  background: var(--gold-light);
  padding: 18px 24px;
  text-align: center;
}
.share-bar-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.share-label { font-size: .85rem; font-weight: 700; color: var(--dark); }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity var(--transition), transform var(--transition);
}
.share-btn:hover { opacity: .85; transform: translateY(-1px); }
.share-wechat { background: #07C160; color: #fff; }
.share-weibo  { background: #E6162D; color: #fff; }
.share-douyin { background: #000; color: #fff; }
.share-bilibili { background: #00A1D6; color: #fff; }

/* ---- 页脚 ---- */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 56px 24px 0;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text { color: #fff; -webkit-text-fill-color: #fff; font-size: 1.4rem; }
.footer-brand p { font-size: .85rem; line-height: 1.8; margin: 14px 0; color: rgba(255,255,255,.55); }
.footer-col h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: .83rem; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--pink); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--pink); }

/* ---- 面包屑 ---- */
.breadcrumb {
  background: var(--light);
  padding: 12px 24px;
  border-bottom: 1px solid rgba(244,167,185,.2);
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--gray);
}
.breadcrumb a { color: var(--rose); }
.breadcrumb span { opacity: .5; }

/* ---- 社区入口 ---- */
.community-entry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.entry-card {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
  color: #fff;
  transition: transform var(--transition);
  border: 1px solid rgba(244,167,185,.15);
}
.entry-card:hover { transform: translateY(-4px); border-color: rgba(244,167,185,.4); }
.entry-icon { font-size: 2.2rem; margin-bottom: 10px; }
.entry-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.entry-card p { font-size: .78rem; opacity: .65; }

/* ---- 内页 Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 50%, rgba(194,24,91,.3) 100%);
  padding: 72px 24px;
  text-align: center;
  color: #fff;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; margin-bottom: 14px; }
.page-hero p { font-size: 1rem; opacity: .75; max-width: 560px; margin: 0 auto; }

/* ---- 工具卡片 ---- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.tool-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
}
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--pink); }
.tool-icon { font-size: 2.4rem; margin-bottom: 12px; }
.tool-card h3 { font-size: .95rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.tool-card p { font-size: .82rem; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.tool-badge {
  display: inline-block;
  background: var(--gold-light);
  color: var(--rose);
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 10px;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .header-search { display: none; }
  .main-nav { display: none; position: fixed; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px; border-bottom: 1px solid rgba(244,167,185,.3); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; }
  .hamburger { display: flex; }
  .hero { min-height: 480px; }
  .hero-stats { gap: 20px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 16px; }
  .video-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}

/* ---- 动画 ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease forwards; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

/* ---- 懒加载占位 ---- */
img[data-src] { background: linear-gradient(135deg, var(--gold-light), rgba(244,167,185,.2)); min-height: 120px; }

/* ---- 滚动条美化 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: var(--pink); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--rose); }

/* ---- 导航下方搜索栏（独立一行） ---- */
.nav-search-bar {
  background: linear-gradient(90deg, rgba(26,26,46,.97), rgba(136,14,79,.9));
  padding: 12px 24px;
  border-bottom: 1px solid rgba(244,167,185,.2);
}
.nav-search-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.search-wrap {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(244,167,185,.4);
  border-radius: 28px;
  overflow: hidden;
  max-width: 680px;
  margin: 0 auto 8px;
  transition: border-color .3s;
}
.search-wrap:focus-within {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(244,167,185,.2);
}
.search-icon {
  padding: 0 12px;
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  flex-shrink: 0;
}
.search-wrap input[type="search"] {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: .9rem;
  padding: 10px 0;
  min-width: 0;
}
.search-wrap input::placeholder { color: rgba(255,255,255,.45); }
.search-submit-btn {
  background: linear-gradient(135deg, var(--rose), var(--gold));
  color: #fff;
  border: none;
  padding: 10px 22px;
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity .25s;
}
.search-submit-btn:hover { opacity: .88; }
.search-hot-tags {
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.5);
}
.search-hot-tags a {
  color: rgba(244,167,185,.8);
  margin: 0 6px;
  transition: color .25s;
}
.search-hot-tags a:hover { color: var(--pink); }

/* ---- 页脚二维码列 ---- */
.footer-qr-col h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-qr-group { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-qr-item { text-align: center; }
.qr-svg-wrap {
  width: 90px;
  height: 90px;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 6px;
  border: 2px solid rgba(244,167,185,.3);
}
.qr-caption { font-size: .72rem; color: rgba(255,255,255,.55); line-height: 1.4; }
.qr-caption small { color: rgba(194,24,91,.8); font-size: .65rem; }

/* ---- 社交链接 ---- */
.social-link {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 14px;
  font-size: .75rem;
  font-weight: 600;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7) !important;
  border: 1px solid rgba(255,255,255,.15);
  transition: background .25s, color .25s;
}
.social-link:hover {
  background: rgba(194,24,91,.4);
  color: #fff !important;
  border-color: var(--pink);
}

/* ---- 创作中心特有样式 ---- */
.creator-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.creator-step {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  border-top: 3px solid var(--rose);
  transition: transform .3s;
}
.creator-step:hover { transform: translateY(-4px); }
.creator-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  color: #fff;
  font-weight: 900;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 32px;
}
.creator-step h3 { font-size: .95rem; font-weight: 700; color: var(--dark); margin: 12px 0 8px; }
.creator-step p { font-size: .82rem; color: var(--gray); line-height: 1.6; }

/* ---- 响应式补充 ---- */
@media (max-width: 768px) {
  .nav-search-bar { padding: 10px 16px; }
  .search-wrap { max-width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-qr-col { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .search-hot-tags { display: none; }
}