/* ============ 糖心vlog 主样式 ============ */
:root{
  --primary:#f97316;
  --primary-deep:#ea580c;
  --primary-soft:#ffedd5;
  --primary-grad:linear-gradient(135deg,#fdba74 0%,#f97316 55%,#ea580c 100%);
  --bg:#fff8f1;
  --card:#ffffff;
  --text:#3d2c1e;
  --muted:#9a887a;
  --line:#fde3cd;
  --radius:18px;
  --shadow:0 10px 30px rgba(249,115,22,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,241,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--text);white-space:nowrap}
.logo-icon{width:38px;height:38px;border-radius:12px;background:var(--primary-grad);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:var(--shadow)}
.nav-links{display:flex;flex:1;justify-content:center;gap:20px;font-size:14px;color:#6b4f3a}
.nav-links a{padding:6px 2px;position:relative;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--primary)}
.nav-actions{display:flex;gap:10px;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:600;border:1px solid transparent;transition:all .2s}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-primary{background:var(--primary-grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(249,115,22,.28)}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--text)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--primary-grad);color:#fff;padding:76px 0 64px;text-align:center}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.18),transparent 45%),radial-gradient(circle at 80% 75%,rgba(255,255,255,.14),transparent 40%)}
.hero-inner{position:relative;z-index:2}
.hero h1{font-size:44px;font-weight:900;letter-spacing:2px;text-shadow:0 4px 18px rgba(0,0,0,.18)}
.hero-sub{max-width:640px;margin:16px auto 30px;font-size:16px;opacity:.95}
.search-box{display:flex;align-items:center;max-width:560px;margin:0 auto;background:#fff;border-radius:999px;padding:6px 6px 6px 22px;box-shadow:0 16px 40px rgba(120,53,15,.25)}
.search-box input{flex:1;border:none;outline:none;font-size:15px;color:var(--text);background:transparent}
.search-box button{width:44px;height:44px;border:none;border-radius:50%;background:var(--primary-grad);color:#fff;font-size:17px;flex-shrink:0}
.hero-stats{display:flex;justify-content:center;gap:56px;margin-top:38px;flex-wrap:wrap}
.hstat b{display:block;font-size:30px;font-weight:800;font-variant-numeric:tabular-nums}
.hstat span{font-size:13px;opacity:.9}
.particle{position:absolute;bottom:-12px;border-radius:50%;background:rgba(255,255,255,.55);pointer-events:none;animation:floatUp linear infinite}
@keyframes floatUp{0%{transform:translateY(0) translateX(0);opacity:0}12%{opacity:.9}100%{transform:translateY(-115vh) translateX(30px);opacity:0}}

/* ---------- 通用区块 ---------- */
.section{padding:66px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:30px}
.section-head h2{font-size:28px;font-weight:800;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:'';width:8px;height:26px;border-radius:6px;background:var(--primary-grad)}
.section-head .more{color:var(--primary);font-size:14px;font-weight:600}
.section-head .more:hover{color:var(--primary-deep)}

/* ---------- 视频卡片 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 18px 42px rgba(249,115,22,.2)}
.cover-wrap{position:relative;display:block;overflow:hidden;aspect-ratio:16/9}
.cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .cover-wrap img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.7);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.93);display:flex;align-items:center;justify-content:center;opacity:0;transition:all .25s;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.play-btn::after{content:'';border-left:13px solid var(--primary);border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.dur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;padding:3px 9px;border-radius:8px;letter-spacing:.5px}
.card-body{padding:14px 15px 16px}
.card-body h3{font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:43px}
.card-body .desc{font-size:13px;color:var(--muted);margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.creator-row{display:flex;align-items:center;gap:8px;margin-top:12px}
.creator-row img{width:26px;height:26px;border-radius:50%;flex-shrink:0}
.creator-row .cname{font-size:13px;color:#6b4f3a;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.creator-row .meta{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}

/* ---------- 明星创作者 ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px}
.creator-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 16px 22px;text-align:center;transition:transform .25s}
.creator-card:hover{transform:translateY(-5px)}
.avatar-wrap{position:relative;width:76px;margin:0 auto}
.avatar-wrap img{width:76px;height:76px;border-radius:50%;border:3px solid var(--primary-soft)}
.avatar-wrap .star{position:absolute;right:-4px;bottom:2px;font-size:18px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}
.creator-card h3{margin-top:12px;font-size:16px;font-weight:700}
.creator-card .tag{font-size:12px;color:var(--primary-deep);margin-top:2px}
.creator-card .fans{margin-top:8px;display:inline-block;font-size:12.5px;color:var(--muted);background:var(--primary-soft);border-radius:999px;padding:3px 14px}

/* ---------- 平台特色 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.feature-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 22px;transition:transform .25s}
.feature-card:hover{transform:translateY(-5px)}
.feature-card .f-icon{width:48px;height:48px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:23px}
.feature-card h3{font-size:16px;margin:14px 0 6px}
.feature-card p{font-size:13px;color:var(--muted)}

/* ---------- 数据统计 ---------- */
.stats-bar{display:flex;flex-wrap:wrap;justify-content:space-around;gap:22px;background:linear-gradient(120deg,#ffedd5,#fde3cd);border-radius:26px;padding:40px 28px;box-shadow:var(--shadow)}
.stat-item{text-align:center;min-width:150px}
.stat-item b{display:block;font-size:36px;font-weight:900;color:var(--primary-deep);font-variant-numeric:tabular-nums}
.stat-item span{font-size:13.5px;color:#9a6a41}

/* ---------- 用户评价 ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.testi-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.testi-head{display:flex;align-items:center;gap:12px}
.testi-head img{width:46px;height:46px;border-radius:50%}
.testi-head b{font-size:15px}
.stars{color:#f59e0b;font-size:14px;letter-spacing:2px}
.testi-card>p{margin-top:13px;font-size:14px;color:#6b4f3a;line-height:1.75}

/* ---------- 成功故事 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.story-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 22px;border-left:5px solid var(--primary);transition:transform .25s}
.story-card:hover{transform:translateY(-5px)}
.story-tag{display:inline-block;font-size:12px;color:var(--primary-deep);background:var(--primary-soft);border-radius:999px;padding:3px 12px;margin-bottom:12px}
.story-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.story-card p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- APP 展示 ---------- */
.app-wrap{display:flex;align-items:center;gap:52px;background:var(--card);border-radius:28px;box-shadow:var(--shadow);padding:46px 48px}
.app-left{flex:1}
.app-left h2{font-size:28px;font-weight:800;margin-bottom:12px}
.app-left>p{color:var(--muted);font-size:14.5px;margin-bottom:24px}
.app-points{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.app-point{display:flex;gap:11px;align-items:flex-start}
.app-point .p-icon{font-size:21px;background:var(--primary-soft);width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.app-point h4{font-size:14.5px}
.app-point p{font-size:12.5px;color:var(--muted)}
.phone{position:relative;width:252px;height:522px;background:#22150c;border-radius:46px;padding:12px;box-shadow:0 24px 50px rgba(120,53,15,.3);flex-shrink:0}
.phone::before{content:'';position:absolute;top:20px;left:50%;transform:translateX(-50%);width:96px;height:20px;background:#22150c;border-radius:12px;z-index:2}
.phone-screen{width:100%;height:100%;border-radius:34px;overflow:hidden;background:var(--primary-grad)}
.phone-screen img{width:100%;height:100%;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{background:#2b1a10;color:#f5e9dc;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:54px 20px 34px}
.footer-brand .logo{color:#fff}
.footer-brand p{margin-top:14px;font-size:13.5px;color:#cfa98c;max-width:300px;line-height:1.75}
.footer-col h4{font-size:15px;margin-bottom:14px;color:#fff}
.footer-col a{display:block;font-size:13.5px;color:#cfa98c;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 20px;text-align:center;font-size:13px;color:#a98a70}

/* ---------- 内页页头 ---------- */
.page-hero{background:var(--primary-grad);color:#fff;text-align:center;padding:56px 0 50px}
.page-hero h1{font-size:34px;font-weight:900;letter-spacing:2px}
.page-hero p{margin-top:10px;font-size:15px;opacity:.95}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px 0 8px}
.filter-btn{padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#6b4f3a;font-size:13.5px;transition:all .2s}
.filter-btn:hover{border-color:var(--primary);color:var(--primary)}
.filter-btn.active{background:var(--primary-grad);color:#fff;border-color:transparent;box-shadow:var(--shadow)}
.empty-tip{text-align:center;color:var(--muted);padding:40px 0;font-size:14px}

/* ---------- 关于我们 ---------- */
.about-story p{font-size:15px;color:#6b4f3a;line-height:1.9;margin-bottom:14px}
.mini-stats{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
.mini-stat{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:18px 26px;text-align:center;flex:1;min-width:150px}
.mini-stat b{display:block;font-size:24px;color:var(--primary-deep)}
.mini-stat span{font-size:12.5px;color:var(--muted)}
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.value-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 22px;text-align:center}
.value-card .v-icon{font-size:30px}
.value-card h3{font-size:17px;margin:12px 0 8px}
.value-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.contact-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 22px;text-align:center}
.contact-card .c-icon{font-size:26px}
.contact-card h3{font-size:16px;margin:10px 0 6px}
.contact-card p{font-size:13.5px;color:var(--muted)}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .app-wrap{flex-direction:column;text-align:left}
}
@media(max-width:900px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 20px;box-shadow:0 18px 34px rgba(120,53,15,.16);border-radius:0 0 18px 18px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a.active::after{display:none}
  .nav-actions{margin-left:auto}
}
@media(max-width:680px){
  .hero{padding:52px 0 46px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:14px;padding:0 8px}
  .hero-stats{gap:26px}
  .hstat b{font-size:24px}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:13px}
  .card-body{padding:10px 10px 12px}
  .card-body h3{font-size:13px;min-height:38px}
  .card-body .desc{font-size:11.5px}
  .creator-row img{width:21px;height:21px}
  .creator-row .cname{font-size:11.5px}
  .creator-row .meta{font-size:10.5px}
  .dur{font-size:10.5px;padding:2px 7px}
  .play-btn{width:40px;height:40px}
  .play-btn::after{border-left-width:10px;border-top-width:6px;border-bottom-width:6px}
  .section{padding:44px 0}
  .section-head h2{font-size:22px}
  .section-head h2::before{height:20px;width:7px}
  .app-wrap{padding:28px 20px;gap:34px}
  .app-points{grid-template-columns:1fr}
  .phone{width:218px;height:452px;border-radius:40px}
  .phone-screen{border-radius:29px}
  .stats-bar{padding:28px 16px}
  .stat-item b{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding:40px 20px 26px}
  .btn{padding:7px 13px;font-size:13px}
  .logo-text{font-size:17px}
}