/* ============================================
   糖心vlog · 站点样式（花艺主题 · 深色背景）
   主色 #06b6d4
   ============================================ */
:root{
  --primary:#06b6d4;
  --primary-2:#0ea5e9;
  --pink:#f472b6;
  --bg:#0a0f1e;
  --bg-2:#0d1424;
  --card:#111a30;
  --card-2:#141f38;
  --text:#e9f3f7;
  --muted:#93a7b8;
  --border:rgba(148,180,199,.14);
  --radius:18px;
  --shadow:0 12px 30px rgba(2,8,20,.5);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:rgba(6,182,212,.35)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.navbar{
  position:sticky;top:0;z-index:100;
  background:rgba(10,15,30,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;flex:none}
.logo-ico{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,#06b6d4,#f472b6);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 6px 18px rgba(6,182,212,.35);
}
.nav-links{display:flex;gap:22px;margin:0 auto;list-style:none}
.nav-links a{font-size:14px;color:var(--muted);padding:6px 2px;position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--pink));
}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{border-radius:999px;padding:8px 20px;font-size:14px;transition:.2s}
.btn-outline{border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-primary{
  background:linear-gradient(135deg,#06b6d4,#0ea5e9);color:#fff;
  box-shadow:0 8px 20px rgba(6,182,212,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(6,182,212,.45)}
.nav-toggle{display:none;font-size:22px;color:var(--text)}
@media(max-width:900px){
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;background:#0c1324;
    flex-direction:column;padding:16px 24px;gap:14px;border-bottom:1px solid var(--border);
  }
  .nav-links.open{display:flex}
  .nav-actions .btn-outline{display:none}
}

/* ---------- Hero 区 ---------- */
.hero{
  position:relative;overflow:hidden;padding:96px 0 80px;
  background:
    radial-gradient(900px 420px at 15% 10%,rgba(6,182,212,.22),transparent 60%),
    radial-gradient(800px 420px at 85% 20%,rgba(244,114,182,.16),transparent 60%),
    linear-gradient(180deg,#0b1322,#0a0f1e);
}
.particles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.particles span{position:absolute;bottom:-20px;border-radius:50%;animation:rise linear infinite}
@keyframes rise{
  0%{transform:translateY(0);opacity:0}
  12%{opacity:.75}
  85%{opacity:.35}
  100%{transform:translateY(-85vh);opacity:0}
}
.hero-inner{position:relative;text-align:center;max-width:860px;margin:0 auto;padding:0 24px}
.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.25;font-weight:800;letter-spacing:1px}
.hero h1 .grad{
  background:linear-gradient(90deg,#22d3ee,#38bdf8,#f472b6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin:18px auto 30px;max-width:640px;color:var(--muted);font-size:16px}
.search-box{
  display:flex;max-width:580px;margin:0 auto;background:var(--card);
  border:1px solid var(--border);border-radius:999px;padding:6px 6px 6px 22px;
  box-shadow:var(--shadow);
}
.search-box input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:15px}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
  width:44px;height:44px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#06b6d4,#0ea5e9);font-size:18px;
}
.hero-stats{display:flex;justify-content:center;gap:64px;margin-top:46px;flex-wrap:wrap}
.hero-stats .item strong{
  display:block;font-size:32px;font-weight:800;
  background:linear-gradient(90deg,#22d3ee,#f472b6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stats .item span{color:var(--muted);font-size:13px}
@media(max-width:600px){.hero-stats{gap:28px}}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-2)}
.section-head{text-align:center;margin-bottom:42px}
.section-title{font-size:clamp(24px,3.4vw,34px);font-weight:800}
.section-sub{color:var(--muted);margin-top:10px;font-size:15px}
.title-bar{
  width:64px;height:4px;border-radius:4px;margin:14px auto 0;
  background:linear-gradient(90deg,#06b6d4,#f472b6);
}
@media(max-width:768px){.section{padding:48px 0}}

/* ---------- 视频卡片 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:991px){.video-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
.video-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;transition:.25s;box-shadow:var(--shadow);
}
.video-card:hover{
  transform:translateY(-6px);border-color:rgba(6,182,212,.45);
  box-shadow:0 18px 40px rgba(2,8,20,.6);
}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.video-card:hover .thumb img{transform:scale(1.06)}
.play-btn{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(6,10,20,.18);opacity:0;transition:.25s;
}
.video-card:hover .play-btn{opacity:1}
.play-btn span{
  width:52px;height:52px;border-radius:50%;background:rgba(6,182,212,.9);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;
  box-shadow:0 8px 24px rgba(6,182,212,.5);padding-left:3px;
}
.duration{
  position:absolute;right:8px;bottom:8px;background:rgba(4,8,16,.72);
  padding:2px 8px;border-radius:6px;font-size:12px;color:#fff;
}
.card-body{padding:14px 16px 16px}
.card-body h3{font-size:15px;line-height:1.5;min-height:45px;font-weight:600}
.card-body .desc{color:var(--muted);font-size:13px;margin:8px 0 12px;min-height:38px}
.creator-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.creator-row img{width:26px;height:26px;border-radius:50%;border:2px solid rgba(6,182,212,.5);flex:none}
.creator-row .name{color:var(--text);font-weight:500}
.creator-row .meta{margin-left:auto}

/* ---------- 明星创作者 ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:991px){.creator-grid{grid-template-columns:repeat(2,1fr)}}
.creator-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:30px 20px;text-align:center;transition:.25s;
}
.creator-card:hover{transform:translateY(-6px);border-color:rgba(244,114,182,.45)}
.avatar-wrap{
  position:relative;width:86px;height:86px;margin:0 auto 14px;
  background:linear-gradient(135deg,#06b6d4,#f472b6);border-radius:50%;padding:3px;
}
.avatar-wrap img{width:100%;height:100%;border-radius:50%;border:3px solid var(--card)}
.badge{
  position:absolute;right:0;bottom:6px;background:linear-gradient(135deg,#fbbf24,#f59e0b);
  width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;box-shadow:0 4px 10px rgba(0,0,0,.4);
}
.creator-card h3{font-size:17px}
.creator-card .fans{color:var(--muted);font-size:13px;margin:4px 0 10px}
.creator-card .intro{color:var(--muted);font-size:13px;min-height:38px}
.btn-follow{
  display:inline-block;margin-top:14px;padding:6px 22px;border-radius:999px;
  border:1px solid var(--border);color:var(--text);font-size:13px;transition:.2s;
}
.btn-follow:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 平台特色 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:991px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
.feature-card{
  background:linear-gradient(160deg,var(--card),var(--card-2));
  border:1px solid var(--border);border-radius:16px;padding:26px 22px;transition:.25s;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,.4)}
.feature-card .f-ico{
  width:52px;height:52px;border-radius:14px;background:rgba(6,182,212,.14);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;
}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:13.5px}

/* ---------- 数据统计区 ---------- */
.stats-band{
  background:linear-gradient(120deg,rgba(6,182,212,.16),rgba(14,165,233,.08) 45%,rgba(244,114,182,.14));
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:60px 0;
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-row.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:991px){
  .stat-row{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .stat-row.cols-3{grid-template-columns:repeat(3,1fr);row-gap:20px;gap:8px}
}
.stat-item strong{
  display:block;font-size:clamp(28px,3.6vw,40px);font-weight:800;
  background:linear-gradient(90deg,#22d3ee,#f472b6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{color:var(--muted);font-size:14px}

/* ---------- 用户评价 ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:991px){.testimonial-grid{grid-template-columns:1fr}}
.testimonial-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:24px;transition:.25s;
}
.testimonial-card:hover{border-color:rgba(244,114,182,.4);transform:translateY(-4px)}
.stars{color:#fbbf24;letter-spacing:2px;font-size:15px}
.quote{color:var(--text);font-size:14.5px;margin:12px 0 18px;line-height:1.7}
.t-user{display:flex;align-items:center;gap:10px}
.t-user img{width:40px;height:40px;border-radius:50%}
.t-user strong{display:block;font-size:14px}
.t-user span{color:var(--muted);font-size:12px}

/* ---------- 成功故事 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:991px){.story-grid{grid-template-columns:1fr}}
.story-card{
  position:relative;
  background:linear-gradient(160deg,var(--card),var(--card-2));
  border:1px solid var(--border);border-radius:16px;padding:26px;overflow:hidden;transition:.25s;
}
.story-card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,.4)}
.story-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#06b6d4,#f472b6);
}
.story-tag{
  display:inline-block;font-size:12px;color:#22d3ee;background:rgba(6,182,212,.12);
  padding:3px 12px;border-radius:999px;margin-bottom:12px;
}
.story-card h3{font-size:17px;margin-bottom:10px}
.story-card p{color:var(--muted);font-size:13.5px;line-height:1.7}
.story-more{display:inline-block;margin-top:14px;font-size:13px;color:var(--primary)}

/* ---------- APP 展示区 ---------- */
.app-wrap{display:flex;align-items:center;gap:60px}
@media(max-width:991px){.app-wrap{flex-direction:column;gap:40px}}
.app-left{flex:1}
.app-left h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;margin-bottom:10px}
.app-left .lead{color:var(--muted);margin-bottom:28px}
.app-feat{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start}
.app-feat .af-ico{
  width:46px;height:46px;flex:none;border-radius:12px;background:rgba(6,182,212,.14);
  display:flex;align-items:center;justify-content:center;font-size:21px;
}
.app-feat h3{font-size:16px}
.app-feat p{color:var(--muted);font-size:13.5px}
.phone{
  position:relative;width:270px;height:560px;flex:none;border-radius:40px;
  background:#101b30;border:8px solid #1c2a44;
  box-shadow:0 30px 60px rgba(2,8,20,.7),inset 0 0 0 2px rgba(148,180,199,.12);
  overflow:hidden;
}
.phone .notch{
  position:absolute;top:10px;left:50%;transform:translateX(-50%);
  width:110px;height:22px;background:#1c2a44;border-radius:12px;z-index:3;
}
.phone .screen{position:absolute;inset:0;border-radius:32px;overflow:hidden;background:#0d1424}
.phone .screen img{width:100%;height:100%;object-fit:cover;opacity:.95}
.phone .screen::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,182,212,.12),transparent 30%);
}
@media(max-width:600px){.phone{width:240px;height:500px}}

/* ---------- 内页 Page Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:64px 0;text-align:center;
  background:
    radial-gradient(700px 320px at 50% 0%,rgba(6,182,212,.18),transparent 65%),
    linear-gradient(180deg,#0b1322,#0a0f1e);
}
.page-hero h1{font-size:clamp(26px,4vw,38px);font-weight:800}
.page-hero p{color:var(--muted);margin-top:10px;max-width:640px;margin-left:auto;margin-right:auto}

/* ---------- 精选页筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:14px}
.chip{
  padding:7px 18px;border-radius:999px;border:1px solid var(--border);
  background:var(--card);color:var(--muted);font-size:14px;transition:.2s;
}
.chip:hover{color:var(--text);border-color:rgba(6,182,212,.5)}
.chip.active{background:linear-gradient(135deg,#06b6d4,#0ea5e9);color:#fff;border-color:transparent}
.filter-count{text-align:center;color:var(--muted);font-size:13px;margin-bottom:26px}

/* ---------- 关于页 ---------- */
.about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
@media(max-width:991px){.about-intro{grid-template-columns:1fr}}
.about-intro .txt h2{font-size:26px;margin-bottom:16px}
.about-intro .txt p{color:var(--muted);font-size:15px;margin-bottom:14px;line-height:1.9}
.about-img{border-radius:20px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.about-img img{width:100%;height:100%;object-fit:cover}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:991px){.value-grid{grid-template-columns:repeat(2,1fr)}}
.cta-card{
  text-align:center;border-radius:20px;padding:50px 24px;
  background:linear-gradient(120deg,rgba(6,182,212,.2),rgba(244,114,182,.16));
  border:1px solid var(--border);
}
.cta-card h2{font-size:26px;margin-bottom:12px}
.cta-card p{color:var(--muted);margin-bottom:24px}

/* ---------- 页脚 ---------- */
.footer{background:#070b16;border-top:1px solid var(--border);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer .logo{font-size:20px;margin-bottom:14px}
.footer .about{color:var(--muted);font-size:13.5px;max-width:320px}
.footer h4{font-size:15px;margin-bottom:16px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{color:var(--muted);font-size:13.5px;transition:.2s}
.footer ul a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--border);padding:18px 0;
  text-align:center;color:var(--muted);font-size:13px;
}