/* ═══ TrendHub · 潮流导流站 v1 ═══ */
:root{
  --bg:#0a0a0f;
  --bg-soft:#13131c;
  --card:rgba(255,255,255,.04);
  --card-hover:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.08);
  --text:#f0f0f5;
  --sub:rgba(255,255,255,.6);
  --muted:rgba(255,255,255,.4);
  --accent:#ff2d6d;
  --accent2:#ffaf3b;
  --accent3:#7c5cff;
  --accent4:#19e3c8;
  --glow:rgba(255,45,109,.35);
  --radius:18px;
  --radius-sm:12px;
  --font:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --nav-h:64px;
  --maxw:1280px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.65}
a{color:var(--accent4);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(255,45,109,.4);color:#fff}

/* ── 背景光斑 ── */
.bg-orbs{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-orbs::before,.bg-orbs::after{content:'';position:absolute;border-radius:50%;filter:blur(120px);opacity:.25}
.bg-orbs::before{width:520px;height:520px;background:var(--accent);top:-160px;right:-120px;animation:float1 18s ease-in-out infinite}
.bg-orbs::after{width:480px;height:480px;background:var(--accent3);bottom:-180px;left:-120px;animation:float2 22s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-40px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,40px)}}

/* ── 导航 ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,15,.82);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid var(--border);height:var(--nav-h)}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:16px}
.nav-brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:1.2rem;color:var(--text);white-space:nowrap}
.nav-brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 4px 18px var(--glow)}
.nav-brand span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:.88rem;font-weight:500;color:var(--sub);transition:all .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--accent)}
.lang-switch{display:flex;gap:2px;margin-left:8px;padding-left:12px;border-left:1px solid var(--border)}
.lang-switch a{padding:4px 8px;font-size:.76rem;border-radius:6px;font-weight:700}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;padding:4px}

/* ── 布局容器 ── */
.container{max-width:var(--maxw);margin:0 auto;padding:calc(var(--nav-h) + 32px) 24px 60px}

/* ── Hero ── */
.hero{position:relative;text-align:center;padding:48px 0 56px;max-width:960px;margin:0 auto}
.hero h1{font-size:clamp(2rem,5vw,3.6rem);font-weight:900;letter-spacing:-1px;line-height:1.1;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(135deg,var(--accent),var(--accent2) 50%,var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:hue 8s linear infinite}
@keyframes hue{0%{filter:hue-rotate(0)}100%{filter:hue-rotate(360deg)}}
.hero p.lead{font-size:clamp(1rem,2vw,1.18rem);color:var(--sub);max-width:680px;margin:12px auto 28px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:99px;font-weight:700;font-size:.96rem;cursor:pointer;transition:transform .2s,box-shadow .3s,background .2s;border:none;letter-spacing:.3px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 8px 28px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px var(--glow);color:#fff}
.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--card-hover);transform:translateY(-2px);color:var(--text)}
.hero-stats{display:flex;gap:36px;justify-content:center;flex-wrap:wrap}
.stat{text-align:center}
.stat .num{font-size:1.8rem;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat .lbl{font-size:.78rem;color:var(--muted);margin-top:2px;letter-spacing:.5px}

/* ── Section ── */
.section{margin:64px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:900;letter-spacing:-.5px}
.section-head h2 .ico{margin-right:6px}
.section-head .more{font-size:.85rem;color:var(--accent4);font-weight:600}

/* ── Masonry 瀑布流 ── */
.grid{columns:4;column-gap:18px}
@media(max-width:1100px){.grid{columns:3}}
@media(max-width:780px){.grid{columns:2}}
@media(max-width:480px){.grid{columns:1}}
.card{break-inside:avoid;margin-bottom:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;position:relative}
.card:hover{transform:translateY(-4px);border-color:rgba(255,45,109,.4);box-shadow:0 14px 40px rgba(0,0,0,.4)}
.card .thumb{position:relative;background:linear-gradient(135deg,#1a1a2a,#20203a);overflow:hidden;display:block}
.card .thumb.ph-tall{aspect-ratio:3/4}
.card .thumb.ph-wide{aspect-ratio:4/3}
.card .thumb.ph-sq{aspect-ratio:1/1}
.card .thumb img,.card .thumb .ph{width:100%;height:100%;display:block;transition:transform .5s;object-fit:cover}
.card:hover .thumb img,.card:hover .thumb .ph{transform:scale(1.05)}
.card .thumb .badge-tag{position:absolute;top:10px;left:10px;padding:4px 10px;border-radius:99px;background:rgba(0,0,0,.6);backdrop-filter:blur(10px);font-size:.68rem;font-weight:700;color:#fff;letter-spacing:.5px}
.card .body{padding:14px 14px 16px}
.card .body h3{font-size:1rem;font-weight:700;margin-bottom:6px;line-height:1.4}
.card .body p{font-size:.82rem;color:var(--sub);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .cta-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.card .cthumb-meta{font-size:.72rem;color:var(--muted)}
.btn-mini{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:.78rem;font-weight:700;transition:transform .2s,box-shadow .3s}
.btn-mini:hover{transform:translateY(-1px);box-shadow:0 4px 14px var(--glow);color:#fff}

/* ── 缩略图色 ── */
.ph{height:100%;width:100%;display:flex;align-items:center;justify-content:center;font-size:3.2rem;font-weight:900;letter-spacing:-2px}
.ph-g0{background:linear-gradient(135deg,#ff2d6d,#ffaf3b)}
.ph-g1{background:linear-gradient(135deg,#7c5cff,#19e3c8)}
.ph-g2{background:linear-gradient(135deg,#fd5e7a,#fed28a)}
.ph-g3{background:linear-gradient(135deg,#43a8ff,#6a82fb)}
.ph-g4{background:linear-gradient(135deg,#11998e,#38ef7d)}
.ph-g5{background:linear-gradient(135deg,#834d9b,#d04ed6)}
.ph-g6{background:linear-gradient(135deg,#1e3c72,#2a5298)}
.ph-g7{background:linear-gradient(135deg,#ff512f,#dd2476)}
.ph-g8{background:linear-gradient(135deg,#41295a,#2f0743)}
.ph-g9{background:linear-gradient(135deg,#c94b4b,#4b134c)}
.ph-tall{aspect-ratio:3/4}.ph-wide{aspect-ratio:4/3}.ph-sq{aspect-ratio:1/1}

/* ── 广告位 ── */
.ad{position:relative;margin:32px auto;background:linear-gradient(135deg,rgba(255,45,109,.08),rgba(124,92,255,.08));border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-align:center}
.ad::before{content:'广告 · Ad';position:absolute;top:6px;left:10px;font-size:.62rem;color:var(--muted);letter-spacing:1px;z-index:2}
.ad-wide{min-height:120px;padding:38px 20px}
.ad-box{padding:30px 18px;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;min-height:240px}
.ad-label{font-size:.85rem;color:var(--sub);font-weight:600}
.ad-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:99px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:700;font-size:.9rem;transition:transform .2s,box-shadow .3s}
.ad-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--glow);color:#fff}
.ad-sub{font-size:.72rem;color:var(--muted)}

/* ── Banner 大幅推荐 ── */
.banner{position:relative;border-radius:24px;overflow:hidden;padding:48px 36px;border:1px solid var(--border);background:linear-gradient(135deg,rgba(255,45,109,.18),rgba(124,92,255,.18));text-align:center;margin:32px 0}
.banner h3{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;margin-bottom:10px;letter-spacing:-.5px}
.banner p{color:var(--sub);font-size:1rem;margin-bottom:22px;max-width:620px;margin-left:auto;margin-right:auto}
.banner .ad-cta{padding:14px 32px;font-size:1rem}

/* ── 类别 chips ── */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 28px}
.chip{padding:7px 16px;border-radius:99px;background:var(--card);border:1px solid var(--border);color:var(--sub);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.chip:hover{color:var(--text);border-color:var(--accent)}
.chip.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent}

/* ── Footer ── */
.footer{background:rgba(0,0,0,.4);border-top:1px solid var(--border);padding:40px 24px 28px;margin-top:60px}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:780px){.footer-inner{grid-template-columns:1fr 1fr}}
.footer h4{font-size:.85rem;font-weight:800;margin-bottom:14px;letter-spacing:.5px;text-transform:uppercase}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:var(--sub);font-size:.85rem}
.footer a:hover{color:var(--accent)}
.footer-brand p{font-size:.84rem;color:var(--sub);margin-top:8px;max-width:280px}
.footer-bottom{max-width:var(--maxw);margin:28px auto 0;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.76rem;color:var(--muted)}

/* ── 弹窗 toast ── */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(40px);padding:12px 24px;background:rgba(20,20,30,.96);border:1px solid var(--border);border-radius:99px;color:#fff;font-size:.86rem;opacity:0;pointer-events:none;transition:all .3s;z-index:200;backdrop-filter:blur(10px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── 响应式 ── */
@media(max-width:880px){
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(10,10,15,.96);flex-direction:column;align-items:stretch;padding:8px 16px;gap:0;transform:translateY(-110%);transition:transform .3s;border-bottom:1px solid var(--border)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px;border-radius:6px}
  .nav-toggle{display:block}
  .lang-switch{margin:8px 0 0;padding:8px 0 0;border-left:none;border-top:1px solid var(--border)}
  .hero{padding:24px 0 36px}
  .hero-stats{gap:20px}
  .stat .num{font-size:1.4rem}
  .footer-inner{gap:20px;text-align:left}
  .container{padding-left:16px;padding-right:16px}
}