/* ================================================================
   同人动漫 v2 — 同人动漫映画主题
   原创配色：暖橙 #FF6B35 + 深靛紫 #1E1B4B + 近黑深紫背景 #0D0B1E
   ================================================================ */

/* ---- CSS 变量 ---- */
:root {
  --primary:      #FF6B35;
  --primary-dark: #E55A24;
  --primary-glow: rgba(255,107,53,.25);
  --accent:       #FF3CAC;
  --accent2:      #FFD700;
  --indigo:       #1E1B4B;
  --indigo-mid:   #2D2A6E;
  --bg-base:      #0D0B1E;
  --bg-card:      #16133A;
  --bg-card2:     #1C1944;
  --bg-glass:     rgba(22,19,58,.72);
  --border:       rgba(255,107,53,.18);
  --border-light: rgba(255,255,255,.07);
  --text-main:    #F0EBF8;
  --text-sub:     #9B8EC4;
  --text-muted:   #5E5880;
  --gold:         #FFD700;
  --grad-primary: linear-gradient(135deg,#FF6B35,#FF3CAC);
  --grad-dark:    linear-gradient(180deg,#0D0B1E 0%,#1E1B4B 100%);
  --grad-card:    linear-gradient(145deg,#1C1944,#16133A);
  --shadow-card:  0 8px 32px rgba(0,0,0,.45);
  --shadow-glow:  0 0 24px rgba(255,107,53,.35);
  --radius:       14px;
  --radius-lg:    22px;
  --radius-pill:  999px;
  --transition:   .28s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  background:var(--bg-base);
  color:var(--text-main);
  line-height:1.65;
  overflow-x:hidden;
}
a{color:var(--primary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent);}
img{display:block;max-width:100%;height:auto;}
ul,ol{list-style:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}

/* ---- 滚动条 ---- */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg-base);}
::-webkit-scrollbar-thumb{background:var(--indigo-mid);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:var(--primary);}

/* ================================================================
   HEADER / NAV
   ================================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:68px;
  background:rgba(13,11,30,.88);
  backdrop-filter:blur(18px) saturate(1.6);
  -webkit-backdrop-filter:blur(18px) saturate(1.6);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;
}
.header-inner{
  max-width:1320px;margin:0 auto;padding:0 24px;
  width:100%;display:flex;align-items:center;gap:20px;
}
.logo-wrap{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;text-decoration:none;
}
.logo-wrap img{width:38px;height:38px;border-radius:9px;}
.logo-text{
  font-size:1.18rem;font-weight:700;letter-spacing:.5px;
  background:var(--grad-primary);-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:6px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;color:var(--text-sub);font-weight:500;
  transition:all var(--transition);white-space:nowrap;
}
.site-nav a:hover,.site-nav a.active{
  color:var(--primary);background:var(--primary-glow);
}
.header-right{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
/* 搜索框 */
.search-wrap{
  display:flex;align-items:center;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:6px 14px;gap:8px;
  transition:border-color var(--transition);
}
.search-wrap:focus-within{border-color:var(--primary);}
.search-form{display:flex;align-items:center;gap:8px;}
.search-input{
  background:transparent;border:none;outline:none;
  color:var(--text-main);font-size:.86rem;width:160px;
  font-family:inherit;
}
.search-input::placeholder{color:var(--text-muted);}
.search-btn{
  color:var(--text-sub);transition:color var(--transition);
  display:flex;align-items:center;
}
.search-btn:hover{color:var(--primary);}
.search-btn svg{width:16px;height:16px;}
/* 汉堡菜单 */
.nav-toggle{
  display:none;flex-direction:column;gap:5px;padding:6px;
}
.nav-toggle span{
  display:block;width:22px;height:2px;
  background:var(--text-main);border-radius:2px;
  transition:all var(--transition);
}

/* ================================================================
   HERO 区（全新交错布局）
   ================================================================ */
.hero-section{
  min-height:100vh;padding-top:68px;
  display:grid;grid-template-columns:1fr 1fr;
  align-items:center;gap:40px;
  max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px;
  padding-bottom:60px;
}
.hero-content{padding-top:40px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-glow);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:6px 16px;
  font-size:.8rem;color:var(--primary);font-weight:600;
  letter-spacing:.5px;margin-bottom:24px;
}
.hero-eyebrow::before{
  content:'';display:block;width:7px;height:7px;
  background:var(--primary);border-radius:50%;
  animation:pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.5;transform:scale(1.4);}
}
.hero-title{
  font-size:clamp(2rem,4.5vw,3.4rem);
  font-weight:800;line-height:1.18;
  margin-bottom:20px;
}
.hero-title .brand-hl{
  background:var(--grad-primary);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{
  font-size:1.05rem;color:var(--text-sub);
  max-width:480px;margin-bottom:32px;line-height:1.75;
}
.hero-stats{
  display:flex;gap:32px;margin-bottom:36px;
}
.stat-item{text-align:center;}
.stat-num{
  font-size:1.8rem;font-weight:800;
  background:var(--grad-primary);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}
.stat-label{font-size:.78rem;color:var(--text-muted);margin-top:2px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad-primary);color:#fff;
  padding:13px 28px;border-radius:var(--radius-pill);
  font-size:.95rem;font-weight:600;
  transition:all var(--transition);
  box-shadow:0 4px 20px rgba(255,107,53,.4);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(255,107,53,.55);
}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  border:1.5px solid var(--border);color:var(--text-main);
  padding:12px 26px;border-radius:var(--radius-pill);
  font-size:.95rem;font-weight:500;
  transition:all var(--transition);
}
.btn-outline:hover{
  border-color:var(--primary);color:var(--primary);
  background:var(--primary-glow);
}
/* 右侧视频卡片网格 */
.hero-visual{
  display:grid;grid-template-columns:1fr 1fr;
  grid-template-rows:auto auto;gap:14px;
  padding-top:40px;
}
.hero-visual .vid-card:first-child{
  grid-column:1/-1;
}

/* ================================================================
   通用容器
   ================================================================ */
.container{max-width:1320px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-header{text-align:center;margin-bottom:52px;}
.section-tag{
  display:inline-block;
  background:var(--primary-glow);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:4px 14px;
  font-size:.78rem;color:var(--primary);font-weight:600;
  letter-spacing:.5px;margin-bottom:14px;
}
.section-title{
  font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;
  margin-bottom:12px;
}
.section-title .hl{
  background:var(--grad-primary);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}
.section-desc{
  font-size:1rem;color:var(--text-sub);max-width:560px;margin:0 auto;
}

/* ================================================================
   视频卡片（全新3D悬停效果）
   ================================================================ */
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:22px;
}
.vid-card{
  background:var(--grad-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all var(--transition);
  transform-style:preserve-3d;
  cursor:pointer;
}
.vid-card:hover{
  transform:translateY(-6px) scale(1.015);
  border-color:var(--border);
  box-shadow:var(--shadow-glow),var(--shadow-card);
}
.vid-thumb{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;background:#0a0820;
}
.vid-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.vid-card:hover .vid-thumb img{transform:scale(1.06);}
.play-overlay{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(13,11,30,.55);
  opacity:0;transition:opacity var(--transition);
}
.vid-card:hover .play-overlay{opacity:1;}
.play-btn-circle{
  width:56px;height:56px;border-radius:50%;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 28px rgba(255,107,53,.6);
  transform:scale(.8);transition:transform var(--transition);
}
.vid-card:hover .play-btn-circle{transform:scale(1);}
.play-btn-circle svg{width:22px;height:22px;fill:#fff;margin-left:3px;}
.vid-badge{
  position:absolute;top:10px;left:10px;
  padding:3px 10px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.3px;
}
.badge-hot{background:var(--primary);color:#fff;}
.badge-new{background:var(--accent2);color:#1A0A14;}
.badge-ai{background:linear-gradient(135deg,#7B2FBE,#FF6B35);color:#fff;}
.badge-live{background:#E53E3E;color:#fff;animation:blink-live 1.5s ease infinite;}
@keyframes blink-live{0%,100%{opacity:1;}50%{opacity:.6;}}
.vid-duration{
  position:absolute;bottom:10px;right:10px;
  background:rgba(0,0,0,.72);color:#fff;
  padding:2px 8px;border-radius:6px;font-size:.75rem;
}
.vid-info{padding:14px 16px 16px;}
.vid-title{
  font-size:.95rem;font-weight:600;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
  line-height:1.45;
}
.vid-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:.78rem;color:var(--text-muted);
}
.vid-stats{display:flex;gap:12px;}
.vid-stat{display:flex;align-items:center;gap:4px;}
.vid-stat svg{width:13px;height:13px;opacity:.7;}
.vid-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap;}
.vid-tag{
  padding:2px 9px;border-radius:var(--radius-pill);
  background:var(--primary-glow);color:var(--primary);
  font-size:.72rem;font-weight:500;
}

/* ================================================================
   影视传媒模块（交错布局）
   ================================================================ */
.media-section{background:var(--bg-card);}
.media-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.media-card{
  background:var(--bg-base);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:28px 24px;
  transition:all var(--transition);position:relative;overflow:hidden;
}
.media-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-primary);opacity:0;
  transition:opacity var(--transition);
}
.media-card:hover{
  transform:translateY(-4px);
  border-color:var(--border);
  box-shadow:var(--shadow-card);
}
.media-card:hover::before{opacity:1;}
.media-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--primary-glow);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;font-size:1.5rem;
}
.media-card h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;}
.media-card p{font-size:.88rem;color:var(--text-sub);line-height:1.65;}

/* ================================================================
   娱乐专区（横向滚动卡片带）
   ================================================================ */
.ent-section{overflow:hidden;}
.ent-scroll-wrap{
  display:flex;gap:18px;
  overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.ent-scroll-wrap::-webkit-scrollbar{height:4px;}
.ent-scroll-wrap::-webkit-scrollbar-thumb{background:var(--indigo-mid);border-radius:2px;}
.ent-card{
  flex-shrink:0;width:240px;
  background:var(--grad-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  overflow:hidden;scroll-snap-align:start;
  transition:all var(--transition);
}
.ent-card:hover{
  border-color:var(--border);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
}
.ent-img{aspect-ratio:3/4;overflow:hidden;}
.ent-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.ent-card:hover .ent-img img{transform:scale(1.06);}
.ent-info{padding:12px 14px;}
.ent-info h4{font-size:.9rem;font-weight:600;margin-bottom:6px;}
.ent-info p{font-size:.78rem;color:var(--text-sub);}

/* ================================================================
   AI赋能（全宽Banner + 三列特性）
   ================================================================ */
.ai-section{
  background:linear-gradient(135deg,#1E1B4B 0%,#0D0B1E 60%,#2D1B0E 100%);
  position:relative;overflow:hidden;
}
.ai-section::before{
  content:'';position:absolute;
  top:-40%;right:-10%;
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.12),transparent 70%);
  pointer-events:none;
}
.ai-banner{
  border-radius:var(--radius-lg);overflow:hidden;
  margin-bottom:52px;max-height:320px;
}
.ai-banner img{width:100%;height:100%;object-fit:cover;}
.ai-features{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.ai-feat{
  background:var(--bg-glass);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:28px;
  backdrop-filter:blur(12px);
  transition:all var(--transition);
}
.ai-feat:hover{
  border-color:var(--border);
  box-shadow:var(--shadow-glow);
  transform:translateY(-4px);
}
.ai-feat-icon{
  font-size:2rem;margin-bottom:16px;
  display:block;
}
.ai-feat h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;}
.ai-feat p{font-size:.88rem;color:var(--text-sub);line-height:1.65;}

/* ================================================================
   社区功能（图标网格）
   ================================================================ */
.community-section{background:var(--bg-card);}
.community-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:18px;
}
.comm-item{
  background:var(--bg-base);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:24px 20px;
  text-align:center;transition:all var(--transition);
}
.comm-item:hover{
  border-color:var(--border);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
}
.comm-icon{font-size:2rem;margin-bottom:12px;display:block;}
.comm-item h4{font-size:.92rem;font-weight:600;margin-bottom:6px;}
.comm-item p{font-size:.8rem;color:var(--text-sub);}

/* ================================================================
   专家展示（横向卡片）
   ================================================================ */
.experts-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:22px;
}
.expert-card{
  background:var(--grad-card);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:28px 24px;
  text-align:center;transition:all var(--transition);
}
.expert-card:hover{
  border-color:var(--border);
  transform:translateY(-5px);
  box-shadow:var(--shadow-glow);
}
.expert-avatar{
  width:88px;height:88px;border-radius:50%;
  margin:0 auto 16px;overflow:hidden;
  border:3px solid transparent;
  background:var(--grad-primary) border-box;
  -webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:destination-out;
  mask-composite:exclude;
}
.expert-avatar img{width:100%;height:100%;object-fit:cover;}
.expert-name{font-size:1.05rem;font-weight:700;margin-bottom:4px;}
.expert-role{
  font-size:.8rem;color:var(--primary);
  background:var(--primary-glow);
  padding:3px 12px;border-radius:var(--radius-pill);
  display:inline-block;margin-bottom:12px;
}
.expert-bio{font-size:.85rem;color:var(--text-sub);margin-bottom:16px;line-height:1.6;}
.expert-awards{
  display:flex;flex-wrap:wrap;gap:6px;justify-content:center;
  margin-bottom:16px;
}
.award-tag{
  font-size:.72rem;padding:2px 9px;border-radius:var(--radius-pill);
  background:rgba(255,215,0,.12);color:var(--gold);
  border:1px solid rgba(255,215,0,.25);
}
.expert-social{
  display:flex;gap:10px;justify-content:center;margin-bottom:16px;
}
.social-link{
  width:32px;height:32px;border-radius:50%;
  background:var(--bg-base);border:1px solid var(--border-light);
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;color:var(--text-sub);
  transition:all var(--transition);
}
.social-link:hover{
  background:var(--primary-glow);
  border-color:var(--border);color:var(--primary);
}
.expert-btns{display:flex;gap:10px;justify-content:center;}
.btn-sm{
  padding:7px 16px;border-radius:var(--radius-pill);
  font-size:.8rem;font-weight:600;transition:all var(--transition);
}
.btn-sm-primary{
  background:var(--grad-primary);color:#fff;
}
.btn-sm-primary:hover{color:#fff;box-shadow:0 4px 14px rgba(255,107,53,.4);}
.btn-sm-outline{
  border:1px solid var(--border);color:var(--text-sub);
}
.btn-sm-outline:hover{border-color:var(--primary);color:var(--primary);}

/* ================================================================
   合作品牌Logo墙
   ================================================================ */
.partners-section{background:var(--bg-card);}
.partners-grid{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:center;
}
.partner-logo{
  background:var(--bg-base);border:1px solid var(--border-light);
  border-radius:var(--radius);padding:14px 24px;
  font-size:.9rem;font-weight:600;color:var(--text-sub);
  transition:all var(--transition);
}
.partner-logo:hover{
  border-color:var(--border);color:var(--primary);
  background:var(--primary-glow);
}

/* ================================================================
   How-To 加入社区（时间线样式）
   ================================================================ */
.howto-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;
}
.howto-steps::before{
  content:'';position:absolute;
  top:28px;left:12%;right:12%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  z-index:0;
}
.step-item{text-align:center;position:relative;z-index:1;}
.step-num{
  width:56px;height:56px;border-radius:50%;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:800;color:#fff;
  margin:0 auto 16px;
  box-shadow:0 0 20px rgba(255,107,53,.4);
}
.step-item h4{font-size:.95rem;font-weight:700;margin-bottom:8px;}
.step-item p{font-size:.83rem;color:var(--text-sub);}

/* ================================================================
   FAQ（时间线样式）
   ================================================================ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-card);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:border-color var(--transition);
}
.faq-item.open{border-color:var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;text-align:left;
  font-size:.95rem;font-weight:600;color:var(--text-main);
  background:transparent;transition:color var(--transition);
}
.faq-q:hover{color:var(--primary);}
.faq-arrow{
  width:22px;height:22px;border-radius:50%;
  background:var(--primary-glow);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:transform var(--transition);
}
.faq-item.open .faq-arrow{transform:rotate(180deg);}
.faq-arrow svg{width:12px;height:12px;fill:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease,padding var(--transition);
  font-size:.88rem;color:var(--text-sub);line-height:1.7;
}
.faq-item.open .faq-a{
  max-height:300px;padding:0 22px 18px;
}

/* ================================================================
   用户评论（瀑布流三列）
   ================================================================ */
.reviews-section{background:var(--bg-card);}
.reviews-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.review-card{
  background:var(--bg-base);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);padding:22px;
  transition:all var(--transition);
}
.review-card:hover{
  border-color:var(--border);
  transform:translateY(-3px);
  box-shadow:var(--shadow-card);
}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.reviewer-avatar{
  width:44px;height:44px;border-radius:50%;overflow:hidden;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;font-weight:700;color:#fff;flex-shrink:0;
}
.reviewer-info{flex:1;}
.reviewer-name{font-size:.9rem;font-weight:600;}
.reviewer-meta{font-size:.75rem;color:var(--text-muted);}
.review-stars{
  display:flex;gap:2px;margin-bottom:10px;
}
.star{color:var(--gold);font-size:.9rem;}
.review-text{font-size:.88rem;color:var(--text-sub);line-height:1.7;}
.review-tags{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap;}
.review-tag{
  padding:2px 9px;border-radius:var(--radius-pill);
  background:var(--primary-glow);color:var(--primary);
  font-size:.72rem;
}

/* ================================================================
   联系我们
   ================================================================ */
.contact-section{background:var(--bg-base);}
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
  align-items:start;
}
.contact-info h3{font-size:1.3rem;font-weight:700;margin-bottom:20px;}
.contact-item{
  display:flex;align-items:flex-start;gap:14px;
  margin-bottom:18px;
}
.contact-icon{
  width:42px;height:42px;border-radius:12px;
  background:var(--primary-glow);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;flex-shrink:0;
}
.contact-item-text strong{font-size:.9rem;display:block;margin-bottom:3px;}
.contact-item-text span{font-size:.85rem;color:var(--text-sub);}
.contact-qr{text-align:center;}
.qr-row{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;}
.qr-box{text-align:center;}
.qr-box img{
  width:120px;height:120px;border-radius:12px;
  border:2px solid var(--border);margin:0 auto 8px;
}
.qr-label{font-size:.8rem;color:var(--text-sub);}

/* ================================================================
   社交分享
   ================================================================ */
.share-section{background:var(--bg-card);}
.share-bar{
  display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:var(--radius-pill);
  font-size:.88rem;font-weight:600;
  border:1.5px solid var(--border-light);
  color:var(--text-main);
  transition:all var(--transition);
}
.share-btn:hover{
  color:#fff;border-color:transparent;
  transform:translateY(-2px);
}
.share-wechat:hover{background:#07C160;}
.share-weibo:hover{background:#E6162D;}
.share-douyin:hover{background:#010101;}
.share-bili:hover{background:#00A1D6;}

/* ================================================================
   信任徽章
   ================================================================ */
.trust-section{background:var(--bg-base);padding:40px 0;}
.trust-badges{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
}
.trust-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:var(--radius-pill);
  background:var(--bg-card);border:1px solid var(--border-light);
  font-size:.82rem;color:var(--text-sub);
  transition:all var(--transition);
}
.trust-badge:hover{border-color:var(--border);color:var(--text-main);}
.trust-badge-icon{font-size:1rem;}

/* ================================================================
   更新公告条
   ================================================================ */
.update-bar{
  background:linear-gradient(90deg,var(--indigo),var(--indigo-mid));
  border-bottom:1px solid var(--border);
  padding:10px 24px;
  display:flex;align-items:center;justify-content:center;
  gap:12px;font-size:.85rem;
}
.update-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);animation:pulse-dot 1.8s infinite;
}
.update-text{color:var(--text-sub);}
.update-text strong{color:var(--primary);}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer{
  background:var(--indigo);
  border-top:1px solid var(--border);
  padding:60px 0 0;
}
.footer-inner{
  max-width:1320px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;margin-bottom:48px;
}
.footer-brand{}
.footer-logo{
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-logo img{width:36px;height:36px;border-radius:9px;}
.footer-logo-text{
  font-size:1.1rem;font-weight:700;
  background:var(--grad-primary);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}
.footer-desc{font-size:.85rem;color:var(--text-sub);line-height:1.7;margin-bottom:20px;}
.footer-contact-list{display:flex;flex-direction:column;gap:8px;}
.footer-contact-item{font-size:.82rem;color:var(--text-muted);}
.footer-contact-item strong{color:var(--text-sub);}
.footer-nav-col h4{
  font-size:.9rem;font-weight:700;margin-bottom:16px;
  color:var(--text-main);
}
.footer-nav-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-nav-col a{font-size:.85rem;color:var(--text-sub);transition:color var(--transition);}
.footer-nav-col a:hover{color:var(--primary);}
.footer-qr h4{font-size:.9rem;font-weight:700;margin-bottom:16px;}
.footer-qr-row{display:flex;gap:16px;}
.footer-qr-item{text-align:center;}
.footer-qr-item img{
  width:90px;height:90px;border-radius:10px;
  border:1.5px solid var(--border);margin-bottom:6px;
}
.footer-qr-item span{font-size:.75rem;color:var(--text-muted);}
.footer-bottom{
  border-top:1px solid var(--border-light);
  padding:18px 24px;
  max-width:1320px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  font-size:.8rem;color:var(--text-muted);
}
.footer-icp a{color:var(--text-muted);transition:color var(--transition);}
.footer-icp a:hover{color:var(--primary);}
.footer-update{color:var(--text-muted);}
.footer-update strong{color:var(--primary);}

/* ================================================================
   MCP Widget
   ================================================================ */
.mcp-widget{
  position:fixed;bottom:28px;right:28px;z-index:900;
}
.mcp-btn{
  width:52px;height:52px;border-radius:50%;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(255,107,53,.5);
  cursor:pointer;transition:all var(--transition);
  border:none;
}
.mcp-btn:hover{transform:scale(1.1);}
.mcp-btn svg{width:24px;height:24px;fill:#fff;}
.mcp-panel{
  position:absolute;bottom:64px;right:0;
  width:280px;background:var(--bg-card);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-card);
  display:none;
}
.mcp-panel.open{display:block;}
.mcp-panel h4{font-size:.95rem;font-weight:700;margin-bottom:12px;}
.mcp-panel p{font-size:.82rem;color:var(--text-sub);margin-bottom:14px;}
.mcp-actions{display:flex;flex-direction:column;gap:8px;}
.mcp-action-btn{
  padding:9px 16px;border-radius:var(--radius);
  background:var(--bg-base);border:1px solid var(--border-light);
  color:var(--text-main);font-size:.83rem;text-align:left;
  transition:all var(--transition);
}
.mcp-action-btn:hover{border-color:var(--border);color:var(--primary);}

/* ================================================================
   Toast 通知
   ================================================================ */
.toast{
  position:fixed;bottom:90px;right:28px;z-index:1100;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:12px 20px;
  font-size:.88rem;color:var(--text-main);
  box-shadow:var(--shadow-card);
  transform:translateY(20px);opacity:0;
  transition:all .3s ease;pointer-events:none;
}
.toast.show{transform:translateY(0);opacity:1;}

/* ================================================================
   面包屑
   ================================================================ */
.breadcrumb{
  padding:14px 0;font-size:.82rem;color:var(--text-muted);
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-muted);transition:color var(--transition);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb-sep{color:var(--text-muted);opacity:.5;}
.breadcrumb-current{color:var(--primary);}

/* ================================================================
   内页 Hero
   ================================================================ */
.page-hero{
  padding:100px 0 48px;
  background:linear-gradient(180deg,var(--indigo) 0%,var(--bg-base) 100%);
  text-align:center;
}
.page-hero h1{
  font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:14px;
}
.page-hero p{font-size:1rem;color:var(--text-sub);max-width:560px;margin:0 auto;}

/* ================================================================
   响应式
   ================================================================ */
@media(max-width:1100px){
  .hero-section{grid-template-columns:1fr;padding-top:100px;}
  .hero-visual{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .media-grid{grid-template-columns:repeat(2,1fr);}
  .ai-features{grid-template-columns:repeat(2,1fr);}
  .reviews-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .howto-steps{grid-template-columns:repeat(2,1fr);}
  .howto-steps::before{display:none;}
}
@media(max-width:768px){
  .site-nav{display:none;position:fixed;top:68px;left:0;right:0;
    background:rgba(13,11,30,.97);flex-direction:column;padding:20px;gap:8px;
    border-bottom:1px solid var(--border);}
  .site-nav.open{display:flex;}
  .nav-toggle{display:flex;}
  .search-wrap{display:none;}
  .hero-stats{gap:20px;}
  .stat-num{font-size:1.4rem;}
  .media-grid{grid-template-columns:1fr;}
  .ai-features{grid-template-columns:1fr;}
  .reviews-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .howto-steps{grid-template-columns:1fr 1fr;}
  .experts-grid{grid-template-columns:1fr;}
  .video-grid{grid-template-columns:1fr;}
  .community-grid{grid-template-columns:repeat(2,1fr);}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;}
  .btn-primary,.btn-outline{justify-content:center;}
  .howto-steps{grid-template-columns:1fr;}
  .community-grid{grid-template-columns:1fr;}
  .share-bar{flex-direction:column;align-items:center;}
}