/* =============================================
   溏心 | 原创视觉系统
   配色：玫瑰红 #e8336d + 珊瑚橙 #ff6b35 + 深夜蓝 #0d1b2a + 奶白 #fdf6f0
   布局：非对称卡片流 + 斜切分割 + 浮动标签
   ============================================= */

/* ---- 全局变量 ---- */
:root {
  --rose:      #e8336d;
  --rose-dark: #c0245a;
  --coral:     #ff6b35;
  --coral-lt:  #ff8c5a;
  --night:     #0d1b2a;
  --night-mid: #162436;
  --night-lt:  #1e3248;
  --cream:     #fdf6f0;
  --cream-dk:  #f5e8de;
  --gray:      #8a9ab0;
  --gray-lt:   #c8d4e0;
  --white:     #ffffff;
  --text:      #1a2a3a;
  --text-soft: #4a6070;
  --grad-main: linear-gradient(135deg, var(--rose) 0%, var(--coral) 100%);
  --grad-dark: linear-gradient(135deg, var(--night) 0%, var(--night-mid) 100%);
  --shadow-sm: 0 2px 12px rgba(232,51,109,.12);
  --shadow-md: 0 8px 32px rgba(13,27,42,.18);
  --shadow-lg: 0 20px 60px rgba(13,27,42,.22);
  --radius:    12px;
  --radius-lg: 20px;
  --trans:     all .28s cubic-bezier(.4,0,.2,1);
}

/* ---- 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","Noto Sans SC",sans-serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---- 工具类 ---- */
.container { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }
.section-gap { padding: 80px 0; }
.section-gap-sm { padding: 50px 0; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---- 标签徽章 ---- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
  background: var(--grad-main); color: var(--white);
}
.badge-outline {
  background: transparent;
  border: 1.5px solid var(--rose);
  color: var(--rose);
}

/* ---- 节标题 ---- */
.sec-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--rose);
  margin-bottom: 12px;
}
.sec-label::before {
  content: ""; display: block;
  width: 24px; height: 3px;
  background: var(--grad-main);
  border-radius: 2px;
}
.sec-title {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 800; line-height: 1.2;
  letter-spacing: -.02em; color: var(--night);
}
.sec-title span { color: var(--rose); }
.sec-desc {
  margin-top: 14px; max-width: 600px;
  font-size: 15px; color: var(--text-soft); line-height: 1.8;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px;
  font-size: 14px; font-weight: 700;
  transition: var(--trans);
}
.btn-primary {
  background: var(--grad-main); color: var(--white);
  box-shadow: 0 4px 20px rgba(232,51,109,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,51,109,.45); }
.btn-outline {
  border: 2px solid var(--rose); color: var(--rose);
}
.btn-outline:hover { background: var(--rose); color: var(--white); }
.btn-dark {
  background: var(--night); color: var(--white);
}
.btn-dark:hover { background: var(--night-mid); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ============================================
   顶部导航
   ============================================ */
#site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(13,27,42,.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner {
  display: flex; align-items: center; gap: 24px;
  padding: 0 20px; height: 64px;
  width: min(1240px, 100%); margin: 0 auto;
}
.logo-wrap {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img { width: 40px; height: 40px; border-radius: 10px; }
.logo-text {
  font-size: 18px; font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.site-nav {
  display: flex; align-items: center; gap: 4px;
  flex: 1; justify-content: center;
}
.site-nav a {
  padding: 8px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,.75);
  transition: var(--trans);
}
.site-nav a:hover, .site-nav a.active {
  color: var(--white);
  background: rgba(255,255,255,.08);
}
.site-nav a.active { color: var(--rose); }

/* 搜索框 */
.header-search {
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px; overflow: hidden;
  flex-shrink: 0;
}
.header-search input {
  background: none; border: none; outline: none;
  padding: 8px 14px; font-size: 13px;
  color: var(--white); width: 180px;
}
.header-search input::placeholder { color: rgba(255,255,255,.4); }
.header-search button {
  padding: 8px 14px;
  background: var(--grad-main);
  color: var(--white); font-size: 13px; font-weight: 600;
  transition: var(--trans);
}
.header-search button:hover { opacity: .9; }

/* 汉堡菜单 */
.menu-btn {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; margin-left: auto;
}
.menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--trans);
}

/* ============================================
   Hero 首屏
   ============================================ */
.hero {
  position: relative; overflow: hidden;
  min-height: 92vh;
  background: var(--night);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 80% at 70% 50%, rgba(232,51,109,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-copy {
  position: relative; z-index: 2;
  padding: 80px 60px 80px max(40px, calc((100vw - 1240px)/2 + 20px));
}
.jyzi2b {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--coral);
  margin-bottom: 20px;
}
.jyzi2b::after {
  content: ""; flex: 1; min-width: 40px; height: 1px;
  background: var(--coral); opacity: .5;
}
.hero-title {
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -.03em; color: var(--white);
  margin-bottom: 20px;
}
.hero-title .hl {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 16px; color: rgba(255,255,255,.65);
  max-width: 480px; line-height: 1.8; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.w2ncxj {
  display: flex; gap: 32px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,.1);
}
.ybeyo {
  font-size: 28px; font-weight: 800; color: var(--white);
  line-height: 1;
}
.ybeyo span { color: var(--rose); }
.g0pm932i { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 4px; }

.hero-visual {
  position: relative; height: 100%;
  min-height: 92vh; overflow: hidden;
}
.hero-visual img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center top;
}
.hero-visual::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, var(--night) 0%, transparent 40%);
}
.j5ii7i6y {
  position: absolute; z-index: 3;
  bottom: 48px; left: -20px;
  background: var(--white); border-radius: 14px;
  padding: 14px 20px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
  animation: float 3s ease-in-out infinite;
}
.j5ii7i6y .59olprk {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--white);
}
.j5ii7i6y .nwh2p { font-size: 20px; font-weight: 800; color: var(--night); }
.j5ii7i6y .fyyxjz { font-size: 11px; color: var(--text-soft); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ============================================
   跑马灯
   ============================================ */
.j29xvxen {
  overflow: hidden;
  background: var(--grad-main);
  padding: 12px 0;
}
.bpxul {
  display: flex; gap: 0;
  animation: marquee-scroll 22s linear infinite;
  width: max-content;
}
.bpxul span {
  padding: 0 28px;
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,.9);
  white-space: nowrap;
}
.bpxul span::after {
  content: "·"; margin-left: 28px; opacity: .6;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   视频卡片区
   ============================================ */
.video-section { background: var(--cream); }
.video-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 36px;
}
.video-tab {
  padding: 8px 20px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
  border: 1.5px solid var(--gray-lt);
  color: var(--text-soft);
  transition: var(--trans);
}
.video-tab.active, .video-tab:hover {
  background: var(--grad-main);
  border-color: transparent;
  color: var(--white);
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
/* 视频卡片 */
.vcard {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--trans);
  position: relative;
}
.vcard:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.vcard-thumb {
  position: relative; overflow: hidden;
  aspect-ratio: 16/10; background: var(--night-lt);
}
.vcard-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.vcard:hover .vcard-thumb img { transform: scale(1.06); }
.vcard-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13,27,42,.45);
  opacity: 0; transition: var(--trans);
}
.vcard:hover .vcard-play { opacity: 1; }
.16tzi {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  transform: scale(.85); transition: var(--trans);
}
.vcard:hover .16tzi { transform: scale(1); }
.16tzi::after {
  content: "";
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--rose);
  margin-left: 4px;
}
.av8kswjp {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(0,0,0,.7); color: var(--white);
  font-size: 11px; font-weight: 600;
  padding: 3px 8px; border-radius: 4px;
}
.h7sdwigb {
  position: absolute; top: 10px; left: 10px;
}
.vcard-body { padding: 16px 18px 18px; }
.gvkz1 {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--gray); margin-bottom: 8px;
}
.gvkz1 .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--gray-lt); }
.vcard-title {
  font-size: 15px; font-weight: 700; color: var(--night);
  line-height: 1.4; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.4vl4bx1z {
  display: flex; gap: 14px;
  font-size: 12px; color: var(--gray);
}
.4vl4bx1z span { display: flex; align-items: center; gap: 4px; }

/* ============================================
   功能模块区（斜切背景）
   ============================================ */
.feature-section {
  position: relative;
  background: var(--night);
  padding: 100px 0;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  margin: -40px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feat-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--trans);
}
.feat-card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(232,51,109,.3);
  transform: translateY(-4px);
}
.8hoyox7 {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.feat-title {
  font-size: 18px; font-weight: 700; color: var(--white);
  margin-bottom: 10px;
}
.feat-desc { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.7; }
.neep2 {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px;
}
.ppw3w {
  padding: 4px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 600;
  background: rgba(232,51,109,.15); color: var(--rose);
}

/* ============================================
   专家展示
   ============================================ */
.expert-section { background: var(--cream-dk); }
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--trans);
  text-align: center;
}
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.mg0875so {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: var(--white);
  margin: 0 auto 16px;
  border: 3px solid var(--cream-dk);
}
.expert-name { font-size: 18px; font-weight: 800; color: var(--night); margin-bottom: 4px; }
.91vvj1nt { font-size: 13px; color: var(--rose); font-weight: 600; margin-bottom: 12px; }
.expert-bio { font-size: 13px; color: var(--text-soft); line-height: 1.7; margin-bottom: 16px; }
.d8h92sr {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: center;
  margin-bottom: 18px;
}
.kqqkyw {
  padding: 3px 10px; border-radius: 10px;
  font-size: 11px; background: var(--cream); color: var(--text-soft);
  border: 1px solid var(--gray-lt);
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }

/* ============================================
   社区功能
   ============================================ */
.community-section { background: var(--white); }
.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px; align-items: center;
}
.community-visual {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 4/3;
}
.community-visual img { width: 100%; height: 100%; object-fit: cover; }
.community-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(232,51,109,.3) 0%, transparent 60%);
}
.community-features { display: grid; gap: 16px; }
.comm-feat {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px; border-radius: var(--radius);
  background: var(--cream); transition: var(--trans);
}
.comm-feat:hover { background: var(--cream-dk); transform: translateX(4px); }
.comm-feat-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.comm-feat-title { font-size: 15px; font-weight: 700; color: var(--night); margin-bottom: 4px; }
.comm-feat-desc { font-size: 13px; color: var(--text-soft); line-height: 1.6; }

/* ============================================
   AI 赋能区
   ============================================ */
.ai-section {
  background: var(--night);
  position: relative; overflow: hidden;
}
.ai-section::before {
  content: ""; position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,.12) 0%, transparent 70%);
}
.ai-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px; align-items: center;
}
.ai-copy .sec-title { color: var(--white); }
.ai-copy .sec-desc { color: rgba(255,255,255,.6); }
.ai-list { display: grid; gap: 14px; margin-top: 28px; }
.ai-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px; border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border-left: 3px solid var(--rose);
  transition: var(--trans);
}
.ai-item:hover { background: rgba(255,255,255,.08); }
.kdba59r {
  font-size: 11px; font-weight: 800; color: var(--rose);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}
.ai-item-title { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 3px; }
.289vhfm { font-size: 12px; color: rgba(255,255,255,.5); line-height: 1.6; }
.ai-visual { position: relative; }
.ai-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.ai-float-card {
  position: absolute; bottom: -20px; left: -30px;
  background: var(--white); border-radius: 14px;
  padding: 16px 20px; box-shadow: var(--shadow-lg);
  min-width: 200px;
}
.ai-float-card .dtcx3ly { font-size: 11px; color: var(--text-soft); margin-bottom: 6px; }
.ai-float-card .8x0iv {
  height: 6px; border-radius: 3px;
  background: var(--cream-dk); overflow: hidden; margin-bottom: 8px;
}
.ai-float-card .4ib57pf {
  height: 100%; border-radius: 3px;
  background: var(--grad-main);
}

/* ============================================
   合作品牌墙
   ============================================ */
.partners-section { background: var(--cream-dk); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.partner-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px; text-align: center;
  border: 1px solid var(--gray-lt);
  transition: var(--trans);
}
.partner-card:hover {
  border-color: var(--rose);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.244zr3 { font-size: 14px; font-weight: 700; color: var(--night); margin-top: 8px; }
.hdm0fs4j { font-size: 11px; color: var(--gray); }

/* ============================================
   加入指南 How-To
   ============================================ */
.howto-section { background: var(--white); }
.howto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: start;
}
.howto-steps { display: grid; gap: 20px; }
.howto-step {
  display: flex; gap: 20px;
  padding: 20px 22px; border-radius: var(--radius);
  background: var(--cream);
  border-left: 4px solid var(--rose);
  transition: var(--trans);
}
.howto-step:hover { background: var(--cream-dk); }
.lilc5t {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: var(--white);
  flex-shrink: 0;
}
.step-title { font-size: 15px; font-weight: 700; color: var(--night); margin-bottom: 4px; }
.wuyddn67 { font-size: 13px; color: var(--text-soft); line-height: 1.6; }

/* ============================================
   FAQ
   ============================================ */
.faq-section { background: var(--cream); }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-lt);
  transition: var(--trans);
}
.faq-item:hover { border-color: var(--rose); }
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; cursor: pointer;
  font-size: 15px; font-weight: 700; color: var(--night);
  gap: 12px;
}
.faq-q .faq-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--cream-dk);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--rose); flex-shrink: 0;
  transition: var(--trans);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--rose); color: var(--white); }
.faq-a {
  display: none; padding: 0 22px 18px;
  font-size: 14px; color: var(--text-soft); line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }

/* ============================================
   用户评价
   ============================================ */
.reviews-section { background: var(--night); }
.reviews-section .sec-title { color: var(--white); }
.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(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--trans);
}
.review-card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(232,51,109,.25);
}
.kd8gh {
  display: flex; gap: 3px; margin-bottom: 12px;
}
.kd8gh span { color: #ffd700; font-size: 15px; }
.review-text {
  font-size: 14px; color: rgba(255,255,255,.75);
  line-height: 1.8; margin-bottom: 16px;
}
.review-author {
  display: flex; align-items: center; gap: 10px;
}
.d0iu7t51 {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: var(--white);
}
.review-name { font-size: 14px; font-weight: 700; color: var(--white); }
.11xm7 { font-size: 11px; color: rgba(255,255,255,.4); }

/* ============================================
   联系我们
   ============================================ */
.contact-section { background: var(--cream-dk); }
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px; align-items: start;
}
.contact-info { display: grid; gap: 14px; }
.contact-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px; background: var(--white);
  border-radius: var(--radius); border-left: 3px solid var(--rose);
}
.w6uxtyw {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.uzrv0sb6 { font-size: 11px; color: var(--gray); margin-bottom: 3px; }
.contact-val { font-size: 14px; font-weight: 700; color: var(--night); }
.qr-wrap { display: flex; gap: 20px; flex-wrap: wrap; }
.dr6n665g { text-align: center; }
.dr6n665g img { width: 120px; height: 120px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.fe4gsm2 { font-size: 12px; color: var(--text-soft); margin-top: 8px; }

/* ============================================
   分享栏
   ============================================ */
.share-bar {
  background: var(--white);
  border-top: 1px solid var(--gray-lt);
  padding: 20px 0;
}
.share-inner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.919bbnb5 { font-size: 13px; font-weight: 700; color: var(--text-soft); }
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
  border: 1.5px solid var(--gray-lt);
  color: var(--text-soft);
  transition: var(--trans);
}
.share-btn:hover { border-color: var(--rose); color: var(--rose); }
.share-btn.wechat:hover { border-color: #07c160; color: #07c160; }
.share-btn.weibo:hover { border-color: #e6162d; color: #e6162d; }
.share-btn.douyin:hover { border-color: #010101; color: #010101; }
.share-btn.bilibili:hover { border-color: #00a1d6; color: #00a1d6; }

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: var(--night);
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 40px;
}
.footer-brand .logo-wrap { margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px; color: rgba(255,255,255,.5);
  line-height: 1.8; max-width: 280px;
}
.footer-col h4 {
  font-size: 14px; font-weight: 700; color: var(--white);
  margin-bottom: 16px;
}
.footer-col a {
  display: block; font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-bottom: 10px; transition: var(--trans);
}
.footer-col a:hover { color: var(--rose); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,.35); }
.footer-bottom a { color: rgba(255,255,255,.5); font-size: 12px; transition: var(--trans); }
.footer-bottom a:hover { color: var(--rose); }
.7dd18 { font-size: 12px; color: rgba(255,255,255,.35); }

/* ============================================
   内页通用
   ============================================ */
.page-hero {
  background: var(--night);
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 80% 50%, rgba(232,51,109,.15) 0%, transparent 70%);
}
.page-hero-inner { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,.45);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.6); transition: var(--trans); }
.breadcrumb a:hover { color: var(--rose); }
.breadcrumb .sep { color: rgba(255,255,255,.25); }
.page-title {
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 900; color: var(--white);
  letter-spacing: -.03em; line-height: 1.15;
  margin-bottom: 14px;
}
.page-desc { font-size: 15px; color: rgba(255,255,255,.6); max-width: 560px; line-height: 1.8; }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: 80px 40px 60px; }
  .hero-visual { display: none; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .ai-visual { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { gap: 12px; }
  .site-nav { display: none; }
  .site-nav.open {
    display: flex; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--night-mid);
    padding: 16px; gap: 4px; z-index: 999;
  }
  .header-search { display: none; }
  .menu-btn { display: flex; }
  .hero-copy { padding: 60px 24px 50px; }
  .w2ncxj { gap: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .howto-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-gap { padding: 56px 0; }
  .video-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   动画
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.anim-up { animation: fadeInUp .6s ease both; }
.anim-up-d1 { animation-delay: .1s; }
.anim-up-d2 { animation-delay: .2s; }
.anim-up-d3 { animation-delay: .3s; }

/* 搜索提示弹窗 */
#search-tip {
  display: none; position: fixed;
  top: 80px; left: 50%; transform: translateX(-50%);
  background: var(--night); color: var(--white);
  padding: 12px 24px; border-radius: 8px;
  font-size: 14px; z-index: 9999;
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--rose);
  white-space: nowrap;
}