/* =========================================================
   糖心vlog · 糖心2批次 第10套
   主题：穿搭 | 主色 #8b5cf6 | 深色背景
   ========================================================= */

:root{
  --primary:#8b5cf6;
  --primary-2:#a78bfa;
  --primary-3:#6d28d9;
  --bg:#0e0919;
  --bg-2:#150f26;
  --card:#1a122e;
  --card-2:#231743;
  --line:rgba(167,139,250,.16);
  --text:#f5f2ff;
  --muted:#a99fc6;
  --radius:20px;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(139,92,246,.16), transparent 60%),
    radial-gradient(900px 520px at -8% 26%, rgba(109,40,217,.13), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
::selection{background:rgba(139,92,246,.5);color:#fff}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(14,9,25,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:800;flex-shrink:0}
.logo-icon{font-size:25px;filter:drop-shadow(0 0 8px rgba(139,92,246,.65))}
.logo .logo-text{background:linear-gradient(90deg,var(--primary-2),#f0abfc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:2px;flex:1;justify-content:center}
.nav-links a{padding:8px 13px;border-radius:999px;color:var(--muted);font-size:15px;transition:.2s;white-space:nowrap}
.nav-links a:hover{color:var(--text);background:rgba(139,92,246,.12)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-3));box-shadow:0 4px 12px rgba(139,92,246,.35)}
.nav-auth{display:flex;gap:10px;flex-shrink:0}
.btn-login{padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;font-size:14px;transition:.2s}
.btn-login:hover{border-color:var(--primary-2);color:var(--primary-2)}
.btn-signup{padding:8px 18px;border-radius:999px;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-3));color:#fff;cursor:pointer;font-size:14px;box-shadow:0 4px 14px rgba(139,92,246,.4);transition:.2s}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(139,92,246,.55)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:92px 0 84px;background:linear-gradient(165deg,#2a1060 0%,#5b21b6 48%,#8b5cf6 100%)}
.hero-particles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.particle{position:absolute;bottom:-12px;border-radius:50%;background:rgba(255,255,255,.6);animation-name:rise;animation-timing-function:linear;animation-iteration-count:infinite;will-change:transform,opacity}
@keyframes rise{0%{transform:translateY(0);opacity:0}8%{opacity:.85}100%{transform:translateY(-112vh);opacity:0}}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-pill{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);color:#fff}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;line-height:1.3;color:#fff;text-shadow:0 4px 26px rgba(0,0,0,.3)}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#fff,#f5d0fe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{margin:18px auto 0;font-size:17px;color:rgba(255,255,255,.85);max-width:660px}
.search-box{display:flex;align-items:center;max-width:560px;margin:34px auto 0;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:7px 7px 7px 22px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.search-box input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:#fff;font-size:16px}
.search-box input::placeholder{color:rgba(255,255,255,.66)}
.search-btn{width:46px;height:46px;flex-shrink:0;border-radius:999px;border:none;background:#fff;color:var(--primary-3);font-size:18px;cursor:pointer;transition:.2s}
.search-btn:hover{transform:scale(1.05)}
.hero-stats{display:flex;justify-content:center;gap:56px;margin-top:40px}
.h-stat b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:.5px}
.h-stat span{font-size:13px;color:rgba(255,255,255,.75)}

/* ---------- 区块通用 ---------- */
.sec{position:relative;padding:72px 0}
.sec-alt{background:var(--bg-2)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 46px}
.pill{display:inline-block;font-size:13px;color:var(--primary-2);background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.32);padding:6px 16px;border-radius:999px;margin-bottom:14px}
.sec-head h2{font-size:32px;font-weight:800;margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:15px}

/* ---------- 视频卡片 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);border-color:rgba(167,139,250,.5);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#241743}
.thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.video-card:hover .thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(139,92,246,.92);display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;padding-left:3px;box-shadow:0 6px 18px rgba(0,0,0,.45);transition:.25s}
.video-card:hover .play-btn{background:var(--primary-2);transform:translate(-50%,-50%) scale(1.08)}
.duration{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.74);color:#fff;font-size:12px;padding:3px 9px;border-radius:8px;letter-spacing:.5px}
.v-title{padding:14px 16px 0;font-size:15.5px;line-height:1.55;font-weight:700}
.v-desc{padding:7px 16px;font-size:13px;color:var(--muted);line-height:1.7}
.v-creator{display:flex;align-items:center;gap:10px;padding:12px 16px 16px;margin-top:auto}
.v-avatar{width:34px;height:34px;border-radius:50%;border:2px solid var(--primary-2);flex-shrink:0}
.v-meta{display:flex;flex-direction:column;min-width:0}
.v-name{font-size:13.5px;font-weight:600}
.v-stats{font-size:12px;color:var(--muted)}

/* ---------- 创作者 ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.creator-card{background:linear-gradient(180deg,var(--card-2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:28px 12px 22px;text-align:center;transition:.25s}
.creator-card:hover{transform:translateY(-6px);border-color:rgba(167,139,250,.5);box-shadow:0 14px 30px rgba(0,0,0,.35)}
.c-avatar-wrap{position:relative;width:76px;height:76px;margin:0 auto 13px}
.c-avatar-wrap img{width:100%;height:100%;border-radius:50%;border:3px solid var(--primary-2)}
.star-badge{position:absolute;right:-3px;bottom:-3px;font-size:20px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}
.c-name{font-size:15.5px;font-weight:700}
.c-tag{font-size:12.5px;color:var(--muted);margin:5px 0 10px;line-height:1.6}
.c-fans{display:inline-block;font-size:12.5px;color:var(--primary-2);background:rgba(139,92,246,.14);padding:4px 13px;border-radius:999px}

/* ---------- 平台特色 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(167,139,250,.5);background:var(--card-2)}
.f-icon{width:52px;height:52px;border-radius:16px;background:rgba(139,92,246,.16);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:15px}
.feature-card h3{font-size:16.5px;margin-bottom:7px}
.feature-card p{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 数据统计 ---------- */
.big-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.big-stat{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 10px}
.big-num{font-size:42px;font-weight:900;line-height:1.2;background:linear-gradient(135deg,var(--primary-2),#e9d5ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.big-num em{font-style:normal;font-size:22px;-webkit-text-fill-color:var(--primary-2)}
.big-stat p{color:var(--muted);margin-top:8px;font-size:14px}

/* ---------- 用户评价 ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testimonial-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.25s}
.testimonial-card:hover{transform:translateY(-4px);border-color:rgba(167,139,250,.45)}
.t-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.t-head img{width:46px;height:46px;border-radius:50%;border:2px solid var(--primary-2)}
.t-name{font-weight:700;font-size:15px}
.t-stars{color:#fbbf24;font-size:14px;letter-spacing:2px;margin-top:2px}
.t-text{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- 成功故事 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.story-card{position:relative;background:linear-gradient(160deg,var(--card-2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;overflow:hidden;transition:.25s}
.story-card:hover{transform:translateY(-6px);border-color:rgba(167,139,250,.5)}
.story-no{position:absolute;top:2px;right:16px;font-size:54px;font-weight:900;color:rgba(139,92,246,.16);line-height:1}
.story-card h3{font-size:17px;margin-bottom:12px;position:relative;padding-right:34px}
.story-card p{font-size:14px;color:var(--muted);position:relative;line-height:1.85}

/* ---------- APP 展示 ---------- */
.app-inner{display:flex;align-items:center;gap:64px}
.app-copy{flex:1}
.app-title{font-size:32px;font-weight:800;margin-bottom:12px}
.app-lead{color:var(--muted);font-size:15.5px;margin-bottom:28px;max-width:520px}
.app-points{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:22px 28px}
.app-points li{display:flex;gap:14px}
.ap-icon{width:48px;height:48px;flex-shrink:0;border-radius:14px;background:rgba(139,92,246,.16);border:1px solid rgba(139,92,246,.25);display:flex;align-items:center;justify-content:center;font-size:22px}
.app-points h4{font-size:15.5px;margin-bottom:4px}
.app-points p{font-size:13px;color:var(--muted);line-height:1.7}
.app-phone{flex-shrink:0;padding:10px 0}
.phone{position:relative;width:280px;height:580px;border-radius:46px;border:10px solid #241a40;background:#120b22;box-shadow:0 34px 70px rgba(0,0,0,.55),0 0 0 2px rgba(167,139,250,.28);overflow:hidden}
.phone-notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:118px;height:22px;border-radius:999px;background:#120b22;z-index:2}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:35px}

/* ---------- 页脚 ---------- */
.footer{background:#0b0716;border-top:1px solid var(--line);padding:58px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.f-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:330px;line-height:1.8}
.f-col h4{font-size:15px;margin-bottom:16px}
.f-col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:.2s}
.f-col a:hover{color:var(--primary-2)}
.copyright{border-top:1px solid var(--line);padding:20px 0;text-align:center;color:#6f6590;font-size:13px}

/* ---------- 内页 ---------- */
.page-hero{position:relative;overflow:hidden;padding:76px 0 64px;background:linear-gradient(165deg,#2a1060 0%,var(--primary-3) 55%,var(--primary) 100%);text-align:center}
.page-particles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.page-hero h1{font-size:38px;color:#fff;font-weight:900;position:relative;z-index:2}
.page-hero p{color:rgba(255,255,255,.85);margin-top:12px;position:relative;z-index:2;font-size:16px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.filter-btn{padding:8px 20px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer;font-size:14px;transition:.2s}
.filter-btn:hover{color:var(--text);border-color:rgba(167,139,250,.55)}
.filter-btn.active{background:linear-gradient(135deg,var(--primary),var(--primary-3));color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(139,92,246,.35)}
.about-story{max-width:840px;margin:0 auto;font-size:15.5px;color:var(--muted);line-height:2.1}
.about-story p{margin-bottom:20px}
.about-story strong{color:var(--text)}
.contact-card{max-width:700px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 30px}
.contact-row{display:flex;gap:16px;align-items:center;padding:20px 0;border-bottom:1px dashed var(--line)}
.contact-row:last-child{border-bottom:none}
.contact-row .c-icon{width:46px;height:46px;flex-shrink:0;border-radius:13px;background:rgba(139,92,246,.16);display:flex;align-items:center;justify-content:center;font-size:20px}
.contact-row h4{font-size:15.5px}
.contact-row p{font-size:14px;color:var(--muted)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .creator-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .big-stats{grid-template-columns:repeat(2,1fr)}
  .testimonial-grid{grid-template-columns:repeat(2,1fr)}
  .app-inner{gap:40px}
}
@media (max-width:920px){
  .nav-links{display:none}
  .app-inner{flex-direction:column}
  .app-copy{width:100%}
}
@media (max-width:680px){
  .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .creator-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .story-grid{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .big-stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .app-points{grid-template-columns:1fr}
  .hero{padding:64px 0 60px}
  .hero-stats{gap:22px;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .sec{padding:54px 0}
  .sec-head h2{font-size:26px}
  .phone{width:250px;height:520px}
  .phone img{border-radius:30px}
}
@media (max-width:400px){
  .footer-grid{grid-template-columns:1fr}
}