/* ============================================================
   糖心vlog —— 糖心2 批次 第 57 套（古风摄影主题 · 浅色背景）
   主色：#ec4899
   ============================================================ */
:root{
  --primary:#ec4899;
  --primary-dark:#db2777;
  --primary-light:#f9a8d4;
  --primary-soft:#fdf2f8;
  --bg:#fffafc;
  --card:#ffffff;
  --ink:#432536;
  --ink-light:#92707f;
  --border:#f6e3ec;
  --shadow:0 8px 24px rgba(236,72,153,.10);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{text-decoration:none;color:inherit}
.serif{font-family:"Kaiti SC",KaiTi,"STKaiti","FangSong","SimSun",serif}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{border:none;cursor:pointer;font-size:14px;transition:.2s}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary-dark);padding:8px 20px;border-radius:999px}
.btn-outline:hover{background:var(--primary-soft)}
.btn-solid{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:9px 22px;border-radius:999px;box-shadow:0 6px 14px rgba(236,72,153,.35)}
.btn-solid:hover{transform:translateY(-2px)}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:700;color:var(--primary-dark);white-space:nowrap}
.logo .logo-emoji{font-size:27px}
.nav-links{display:flex;gap:4px;flex:1;justify-content:center;flex-wrap:nowrap}
.nav-links a{padding:8px 11px;border-radius:999px;color:#7a5566;font-size:14.5px;transition:.2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--primary-soft);color:var(--primary-dark)}
.nav-btns{display:flex;gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fdf2f8 0%,#fce7f3 45%,#fbcfe8 100%);padding:88px 20px 76px;text-align:center}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:46px;color:var(--primary-dark);letter-spacing:3px;line-height:1.35}
.hero .sub{max-width:620px;margin:16px auto 0;color:#9b7186;font-size:16px}
.search-box{display:flex;align-items:center;max-width:580px;margin:32px auto 0;background:#fff;border-radius:999px;padding:6px 6px 6px 22px;box-shadow:0 14px 34px rgba(236,72,153,.16);border:1px solid var(--border)}
.search-box input{flex:1;border:none;outline:none;font-size:15px;background:transparent;color:var(--ink)}
.search-box button{width:46px;height:46px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:18px;cursor:pointer;flex-shrink:0}
.hero-stats{display:flex;justify-content:center;gap:56px;margin-top:40px;flex-wrap:wrap}
.hero-stats .item b{font-size:30px;display:block;color:var(--primary-dark)}
.hero-stats .item span{font-size:14px;color:#9b7186}
.petal{position:absolute;top:-40px;background:linear-gradient(135deg,#f9a8d4,#ec4899);border-radius:0 70% 0 70%;pointer-events:none;animation:petalFall linear infinite;z-index:1}
@keyframes petalFall{
  0%{transform:translateY(-8vh) rotate(0deg)}
  100%{transform:translateY(108vh) rotate(340deg)}
}

/* ---------- 区块通用 ---------- */
.section{padding:64px 0}
.tint{background:linear-gradient(180deg,#ffffff,#fff6fa)}
.section-head{text-align:center;margin-bottom:38px}
.section-head h2{font-size:30px;letter-spacing:2px}
.section-head .deco{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:10px;color:var(--primary);font-size:12px}
.section-head .deco::before,.section-head .deco::after{content:"";width:46px;height:2px;background:linear-gradient(90deg,transparent,var(--primary-light))}
.section-head .deco::after{background:linear-gradient(90deg,var(--primary-light),transparent)}
.section-head .sub{color:var(--ink-light);font-size:14.5px;margin-top:6px}

/* ---------- 视频卡片网格 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(236,72,153,.18)}
.cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover .play{position:absolute;inset:0;margin:auto;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:19px;opacity:0;transform:scale(.8);transition:.25s;padding-left:3px}
.video-card:hover .play{opacity:1;transform:scale(1)}
.cover .dur{position:absolute;right:8px;bottom:8px;background:rgba(20,10,15,.78);color:#fff;font-size:12px;padding:2px 8px;border-radius:6px}
.video-info{padding:12px 14px 14px}
.video-info h3{font-size:15px;margin-bottom:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.video-info p.desc{font-size:12.5px;color:var(--ink-light);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.creator-row{display:flex;align-items:center;gap:8px;margin-top:11px}
.creator-row img{width:26px;height:26px;border-radius:50%;object-fit:cover}
.creator-row .name{font-size:13px;color:var(--ink)}
.creator-row .meta{margin-left:auto;font-size:12px;color:var(--ink-light);white-space:nowrap}
.search-empty{display:none;text-align:center;color:var(--ink-light);padding:36px 0;font-size:15px}

/* ---------- 明星创作者 ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.creator-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 12px 20px;text-align:center;box-shadow:var(--shadow);transition:.25s}
.creator-card:hover{transform:translateY(-5px)}
.creator-card .star-badge{position:absolute;top:12px;right:14px;font-size:15px}
.creator-card .avatar{width:74px;height:74px;border-radius:50%;border:3px solid var(--primary-light);object-fit:cover;margin-bottom:12px}
.creator-card h3{font-size:16px}
.creator-card .ctitle{font-size:12.5px;color:var(--ink-light);margin-top:2px}
.creator-card .cfans{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--primary-dark);background:var(--primary-soft);padding:4px 14px;border-radius:999px}

/* ---------- 平台特色 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow);transition:.25s;text-align:center}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(236,72,153,.18)}
.feature-card .fi{width:64px;height:64px;margin:0 auto 16px;border-radius:20px;background:linear-gradient(135deg,var(--primary-soft),#fce7f3);display:flex;align-items:center;justify-content:center;font-size:30px}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{font-size:13.5px;color:var(--ink-light)}

/* ---------- 数据统计 ---------- */
.stats-band{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:26px;padding:44px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;color:#fff;box-shadow:0 18px 40px rgba(219,39,119,.35)}
.stats-band.stats-3{grid-template-columns:repeat(3,1fr);max-width:860px;margin:0 auto}
.stat-item{text-align:center}
.stat-item b{font-size:36px;display:block;letter-spacing:1px}
.stat-item span{font-size:14px;opacity:.85}

/* ---------- 用户评价 ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.testimonial-card .stars{color:#f59e0b;letter-spacing:2px;font-size:15px}
.testimonial-card .text{font-size:14px;color:#5d3b4c;margin:10px 0 16px}
.tuser{display:flex;align-items:center;gap:10px}
.tuser img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.tuser b{display:block;font-size:14px}
.tuser span{font-size:12px;color:var(--ink-light)}

/* ---------- 成功故事 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.story-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);overflow:hidden}
.story-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light))}
.story-card h3{font-size:19px;margin-bottom:10px;color:var(--primary-dark);letter-spacing:1px}
.story-card p{font-size:14px;color:#5d3b4c}
.story-more{display:inline-block;margin-top:14px;font-size:13px;color:var(--primary);font-weight:600}

/* ---------- APP 展示 ---------- */
.app-flex{display:flex;align-items:center;gap:60px}
.app-copy{flex:1}
.app-copy h2{font-size:30px;margin-bottom:12px;letter-spacing:2px}
.app-copy>p{color:var(--ink-light);margin-bottom:26px;font-size:15px}
.app-feature{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}
.app-feature .fi{width:52px;height:52px;border-radius:16px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.app-feature b{display:block;font-size:16px;margin-bottom:2px}
.app-feature span{font-size:13.5px;color:var(--ink-light)}
.phone-wrap{flex-shrink:0}
.phone{width:252px;height:522px;background:#2b1520;border-radius:40px;padding:10px;box-shadow:0 26px 56px rgba(236,72,153,.28);position:relative}
.phone .screen{width:100%;height:100%;border-radius:31px;overflow:hidden;position:relative;background:#fff}
.phone .screen img{width:100%;height:100%;object-fit:cover;display:block}
.phone .notch{position:absolute;top:20px;left:50%;transform:translateX(-50%);width:92px;height:22px;background:#2b1520;border-radius:12px;z-index:2}

/* ---------- 页脚 ---------- */
footer{background:#2b1520;color:#e9d7e0;margin-top:70px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:54px 20px 40px}
.footer-brand .logo{color:#fff;font-size:20px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.footer-brand p{font-size:13.5px;color:#c4a8b6;max-width:260px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:#c4a8b6;margin-bottom:10px;transition:.2s}
.footer-col a:hover{color:var(--primary-light)}
.copyright{text-align:center;padding:18px;border-top:1px solid rgba(233,215,224,.12);font-size:13px;color:#a88b9a}

/* ---------- 内页页头与筛选 ---------- */
.page-hero{background:linear-gradient(135deg,#fdf2f8,#fce7f3 60%,#fbcfe8);text-align:center;padding:64px 20px 52px}
.page-hero h1{font-size:36px;color:var(--primary-dark);letter-spacing:3px}
.page-hero p{color:#9b7186;margin-top:10px}
.filter-bar{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.filter-btn{padding:8px 18px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--ink-light);cursor:pointer;font-size:14px;transition:.2s}
.filter-btn.active,.filter-btn:hover{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-color:transparent}

/* ---------- 关于我们页 ---------- */
.about-intro{max-width:800px;margin:0 auto;text-align:center;font-size:15.5px;color:#5d3b4c}
.about-intro p{margin-bottom:16px}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.about-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);text-align:center}
.about-card .fi{font-size:30px;display:block;margin-bottom:12px}
.about-card h3{font-size:18px;margin-bottom:8px}
.about-card p{font-size:14px;color:var(--ink-light)}
.timeline{max-width:720px;margin:0 auto;position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--primary),var(--primary-light))}
.timeline-item{position:relative;margin-bottom:26px}
.timeline-item::before{content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.timeline-item b{display:block;color:var(--primary-dark);font-size:16px}
.timeline-item p{font-size:14px;color:var(--ink-light);margin-top:4px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow)}
.contact-card .fi{font-size:26px;display:block;margin-bottom:10px}
.contact-card b{font-size:16px;display:block;margin-bottom:4px}
.contact-card p{font-size:14px;color:var(--ink-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .creator-grid{grid-template-columns:repeat(3,1fr)}
  .testimonial-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-inner{gap:10px}
  .hero{padding:56px 16px 52px}
  .hero h1{font-size:30px}
  .hero-stats{gap:26px}
  .hero-stats .item b{font-size:22px}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .creator-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .story-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:30px 16px}
  .stat-item b{font-size:28px}
  .app-flex{flex-direction:column;gap:40px}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
}