/* ===== 红桃视频 - 全站样式 ===== */
:root {
  --red: #e8192c;
  --red-dark: #b5121f;
  --red-light: #ff4d5e;
  --dark: #0d0d14;
  --dark2: #16161f;
  --dark3: #1e1e2a;
  --gray: #8a8a9a;
  --gray-light: #c8c8d8;
  --white: #ffffff;
  --accent: #ff6b35;
  --blue: #1a73e8;
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.18);
  --shadow-hover: 0 8px 40px rgba(232,25,44,0.22);
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--dark);color:var(--white);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--red-light)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 32px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--red);color:var(--white);border-color:var(--red)}
.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--white)}
.btn-outline{background:transparent;color:var(--white);border-color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--dark);transform:translateY(-2px)}
.btn-white{background:var(--white);color:var(--dark);border-color:var(--white)}
.btn-white:hover{background:var(--red);color:var(--white);border-color:var(--red)}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(13,13,20,0.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,0.06);transition:background var(--transition)}
.header-inner{display:flex;align-items:center;gap:24px;padding:0 20px;height:64px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-img{width:40px;height:40px;border-radius:8px;object-fit:cover}
.logo-text{font-size:1.25rem;font-weight:700;color:var(--red-light);letter-spacing:1px}
.main-nav ul{display:flex;gap:4px}
.main-nav a{padding:8px 14px;border-radius:var(--radius-sm);font-size:0.9rem;color:var(--gray-light);transition:all var(--transition)}
.main-nav a:hover,.main-nav a.active{color:var(--white);background:rgba(232,25,44,0.15)}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.5rem;cursor:pointer;padding:8px}
/* 搜索框 */
.header-search{background:rgba(13,13,20,0.9);border-bottom:1px solid rgba(255,255,255,0.04);padding:8px 20px}
.search-wrap{max-width:600px;margin:0 auto;position:relative}
.search-form{display:flex;align-items:center;background:var(--dark3);border:1px solid rgba(255,255,255,0.1);border-radius:50px;overflow:hidden;transition:border-color var(--transition)}
.search-form:focus-within{border-color:var(--red)}
.search-input{flex:1;background:none;border:none;outline:none;padding:10px 20px;color:var(--white);font-size:0.95rem}
.search-input::placeholder{color:var(--gray)}
.search-btn{background:var(--red);border:none;color:var(--white);padding:10px 18px;cursor:pointer;transition:background var(--transition)}
.search-btn:hover{background:var(--red-dark)}
.search-result-tip{position:absolute;top:100%;left:0;right:0;background:var(--dark3);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius-sm);padding:12px 20px;margin-top:4px;color:var(--gray-light);font-size:0.9rem;z-index:100}

/* ===== 面包屑 ===== */
.breadcrumb-nav{background:var(--dark2);padding:8px 0;border-bottom:1px solid rgba(255,255,255,0.06)}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:0.85rem;color:var(--gray)}
.breadcrumb a{color:var(--gray-light)}
.breadcrumb a:hover{color:var(--red-light)}
.bc-sep{color:var(--gray)}

/* ===== 通用Section ===== */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;background:rgba(232,25,44,0.15);color:var(--red-light);border:1px solid rgba(232,25,44,0.3);padding:4px 16px;border-radius:50px;font-size:0.8rem;font-weight:600;letter-spacing:1px;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:2rem;font-weight:700;margin-bottom:12px;line-height:1.3}
.section-sub{color:var(--gray-light);font-size:1rem;max-width:600px;margin:0 auto}
.section-more{text-align:center;margin-top:40px}

/* ===== 首屏Hero ===== */
.hero-section{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;transform:scale(1.05);animation:heroZoom 20s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1.05)}to{transform:scale(1.12)}}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,13,20,0.85) 0%,rgba(13,13,20,0.6) 50%,rgba(232,25,44,0.2) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 20px;max-width:900px;animation:fadeInUp 1s ease both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.hero-title{font-size:clamp(2.2rem,5vw,4rem);font-weight:800;line-height:1.2;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.5)}
.hero-sub{display:block;font-size:clamp(1.1rem,2.5vw,1.6rem);color:var(--red-light);margin-top:8px;font-weight:400}
.hero-desc{font-size:1.1rem;color:var(--gray-light);margin-bottom:32px;max-width:700px;margin-left:auto;margin-right:auto}
.hero-stats{display:flex;justify-content:center;gap:40px;margin-bottom:36px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{display:block;font-size:2rem;font-weight:700;color:var(--red-light)}
.stat-num em{font-size:1rem;font-style:normal;color:var(--gray-light)}
.stat-label{font-size:0.85rem;color:var(--gray)}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
.scroll-arrow{font-size:1.5rem;color:rgba(255,255,255,0.5)}

/* ===== 视频卡片 ===== */
.video-section{background:var(--dark2)}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.video-card{background:var(--dark3);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition)}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.video-thumb-wrap{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-thumb{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.video-card:hover .video-thumb{transform:scale(1.06)}
.video-play-overlay{position:absolute;inset:0;background:rgba(0,0,0,0);display:flex;align-items:center;justify-content:center;transition:background var(--transition)}
.video-card:hover .video-play-overlay{background:rgba(0,0,0,0.45)}
.play-btn{background:rgba(232,25,44,0.9);border:none;border-radius:50%;width:64px;height:64px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:scale(0.8);transition:all var(--transition)}
.video-card:hover .play-btn{opacity:1;transform:scale(1)}
.play-btn:hover{background:var(--red);transform:scale(1.1)!important}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.8);color:var(--white);font-size:0.75rem;padding:2px 8px;border-radius:4px}
.video-tag{position:absolute;top:8px;left:8px;background:var(--red);color:var(--white);font-size:0.72rem;padding:2px 10px;border-radius:50px}
.video-info{padding:16px}
.video-title{font-size:0.95rem;font-weight:600;margin-bottom:10px;line-height:1.5}
.video-title a{color:var(--white)}
.video-title a:hover{color:var(--red-light)}
.video-meta{display:flex;gap:12px;font-size:0.8rem;color:var(--gray)}
.meta-item{display:flex;align-items:center;gap:4px}

/* ===== 品牌故事 ===== */
.story-section{background:var(--dark)}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.story-img{border-radius:var(--radius);box-shadow:var(--shadow)}
.story-content .section-title{text-align:left;margin-bottom:16px}
.story-content p{color:var(--gray-light);margin-bottom:16px;line-height:1.8}
.story-values{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.value-item{display:flex;align-items:center;gap:8px;background:rgba(232,25,44,0.1);border:1px solid rgba(232,25,44,0.2);padding:8px 16px;border-radius:50px;font-size:0.9rem}
.value-icon{font-size:1.1rem}

/* ===== 品牌探索 ===== */
.explore-section{background:var(--dark2)}
.explore-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.explore-img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.explore-features{display:flex;flex-direction:column;gap:24px}
.feature-item{display:flex;gap:16px;align-items:flex-start;padding:20px;background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.06);transition:border-color var(--transition),transform var(--transition)}
.feature-item:hover{border-color:rgba(232,25,44,0.3);transform:translateX(4px)}
.feature-icon{font-size:1.8rem;flex-shrink:0;margin-top:2px}
.feature-text h3{font-size:1rem;font-weight:600;margin-bottom:6px}
.feature-text p{font-size:0.9rem;color:var(--gray-light);line-height:1.6}

/* ===== 品牌创造 ===== */
.create-section{background:var(--dark)}
.create-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--dark3);border-radius:var(--radius);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-img-wrap{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.case-card:hover .case-img{transform:scale(1.06)}
.case-cat{position:absolute;top:12px;left:12px;background:var(--red);color:var(--white);font-size:0.75rem;padding:4px 12px;border-radius:50px}
.case-info{padding:20px}
.case-title{font-size:1rem;font-weight:600;margin-bottom:8px}
.case-title a{color:var(--white)}
.case-title a:hover{color:var(--red-light)}
.case-desc{font-size:0.88rem;color:var(--gray-light);line-height:1.6}

/* ===== 品牌灵感 ===== */
.inspire-section{position:relative;padding:80px 0;overflow:hidden}
.inspire-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.inspire-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,13,20,0.92) 0%,rgba(13,13,20,0.8) 100%)}
.inspire-content{position:relative;z-index:2}
.inspire-content .section-header.light .section-title{color:var(--white)}
.inspire-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.inspire-card{background:rgba(255,255,255,0.06);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius);padding:28px;transition:all var(--transition)}
.inspire-card:hover{background:rgba(232,25,44,0.12);border-color:rgba(232,25,44,0.3);transform:translateY(-4px)}
.inspire-tag{display:inline-block;background:rgba(232,25,44,0.2);color:var(--red-light);font-size:0.75rem;padding:2px 12px;border-radius:50px;margin-bottom:12px}
.inspire-title{font-size:1.05rem;font-weight:600;margin-bottom:10px;line-height:1.5}
.inspire-title a{color:var(--white)}
.inspire-title a:hover{color:var(--red-light)}
.inspire-desc{font-size:0.88rem;color:var(--gray-light);line-height:1.6;margin-bottom:12px}
.inspire-date{font-size:0.8rem;color:var(--gray)}

/* ===== 用户评价 ===== */
.reviews-section{background:var(--dark2)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.review-card{background:var(--dark3);border-radius:var(--radius);padding:24px;border:1px solid rgba(255,255,255,0.06);transition:all var(--transition)}
.review-card:hover{border-color:rgba(232,25,44,0.3);transform:translateY(-4px)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.reviewer-avatar{width:44px;height:44px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;flex-shrink:0}
.reviewer-info{flex:1}
.reviewer-name{display:block;font-weight:600;font-size:0.95rem}
.reviewer-location{font-size:0.8rem;color:var(--gray)}
.review-stars{color:#ffd700;font-size:0.9rem}
.review-text{font-size:0.9rem;color:var(--gray-light);line-height:1.7}
.trust-badges{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.badge-item{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);padding:10px 24px;border-radius:50px;font-size:0.9rem;display:flex;align-items:center;gap:8px}

/* ===== FAQ ===== */
.faq-section{background:var(--dark)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.06);overflow:hidden;transition:border-color var(--transition)}
.faq-item:hover{border-color:rgba(232,25,44,0.2)}
.faq-q{width:100%;background:none;border:none;color:var(--white);padding:20px 24px;text-align:left;font-size:1rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:color var(--transition)}
.faq-q:hover{color:var(--red-light)}
.faq-arrow{font-size:1.2rem;transition:transform var(--transition);flex-shrink:0}
.faq-a{padding:0 24px 20px;color:var(--gray-light);font-size:0.95rem;line-height:1.7}

/* ===== 品牌连接 ===== */
.connect-section{background:var(--dark2)}
.connect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.connect-card{background:var(--dark3);border-radius:var(--radius);padding:36px 28px;text-align:center;border:1px solid rgba(255,255,255,0.06);transition:all var(--transition)}
.connect-card:hover{border-color:rgba(232,25,44,0.3);transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.connect-icon{font-size:2.5rem;display:block;margin-bottom:16px}
.connect-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px}
.connect-card p{font-size:0.9rem;color:var(--gray-light);line-height:1.7;margin-bottom:24px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark2);border-top:1px solid rgba(255,255,255,0.06)}
.footer-top{padding:60px 0 40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px}
.footer-logo{width:60px;height:60px;border-radius:10px;object-fit:cover;margin-bottom:12px}
.footer-brand-name{font-size:1.3rem;font-weight:700;color:var(--red-light);margin-bottom:10px}
.footer-brand-desc{font-size:0.88rem;color:var(--gray);line-height:1.7;margin-bottom:8px}
.domain-display{color:var(--red-light);font-weight:600}
.footer-update{font-size:0.82rem;color:var(--gray);margin-top:8px}
.footer-nav-col h4{font-size:1rem;font-weight:600;margin-bottom:16px;color:var(--white)}
.footer-nav-col ul{display:flex;flex-direction:column;gap:8px}
.footer-nav-col a{font-size:0.88rem;color:var(--gray);transition:color var(--transition)}
.footer-nav-col a:hover{color:var(--red-light)}
.footer-contact-col h4{font-size:1rem;font-weight:600;margin-bottom:16px}
.footer-contact-col p{font-size:0.88rem;color:var(--gray);margin-bottom:6px}
.social-links{display:flex;gap:8px;margin:16px 0}
.social-link{background:rgba(255,255,255,0.08);padding:6px 14px;border-radius:50px;font-size:0.8rem;color:var(--gray-light);transition:all var(--transition)}
.social-link:hover{background:var(--red);color:var(--white)}
.qrcode-wrap{display:flex;gap:16px;margin-top:12px}
.qrcode-item{text-align:center}
.qrcode-placeholder{width:72px;height:72px;background:rgba(255,255,255,0.08);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.75rem;color:var(--gray);margin-bottom:4px;border:1px dashed rgba(255,255,255,0.15)}
.qrcode-item span{font-size:0.75rem;color:var(--gray)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding:20px 0;text-align:center;font-size:0.82rem;color:var(--gray)}
.footer-bottom a{color:var(--gray);transition:color var(--transition)}
.footer-bottom a:hover{color:var(--red-light)}

/* ===== 通用内页 ===== */
.page-hero{padding:80px 0 60px;background:linear-gradient(135deg,var(--dark2) 0%,var(--dark3) 100%);text-align:center;border-bottom:1px solid rgba(255,255,255,0.06)}
.page-hero h1{font-size:2.4rem;font-weight:800;margin-bottom:16px}
.page-hero p{color:var(--gray-light);font-size:1.05rem;max-width:600px;margin:0 auto}

/* ===== 动画 ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .story-grid,.explore-grid{grid-template-columns:1fr;gap:40px}
  .create-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--dark2);padding:16px 20px;border-bottom:1px solid rgba(255,255,255,0.06)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .nav-toggle{display:block}
  .header-inner{justify-content:space-between}
  .video-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .create-grid{grid-template-columns:1fr}
  .inspire-grid{grid-template-columns:1fr}
  .connect-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .section{padding:60px 0}
  .section-title{font-size:1.6rem}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:280px}
  .trust-badges{gap:12px}
  .badge-item{font-size:0.8rem;padding:8px 16px}
}