/* roulang page: index */
/* ===== Design Tokens ===== */
:root{
  --bg-deep:#070C16;
  --bg-base:#0A1020;
  --bg-elev:rgba(255,255,255,0.04);
  --bg-elev-2:rgba(255,255,255,0.08);
  --bg-glass:rgba(10,16,32,0.72);
  --border-glass:rgba(255,255,255,0.08);
  --border-light:rgba(255,255,255,0.15);
  --border-blue:rgba(43,127,255,0.45);
  --primary:#2B7FFF;
  --primary-light:#5C9EFF;
  --primary-dark:#1B5ED7;
  --primary-glow:rgba(43,127,255,0.35);
  --cyan:#00E0C6;
  --cyan-glow:rgba(0,224,198,0.28);
  --orange:#FF9F5A;
  --red:#FF4757;
  --text-main:#F0F5FC;
  --text-sub:#A6B8D0;
  --text-dim:rgba(166,184,208,0.55);
  --radius-card:18px;
  --radius-btn:14px;
  --radius-tag:999px;
  --radius-img:12px;
  --shadow-card:0 8px 24px rgba(0,0,0,0.24);
  --shadow-hover:0 16px 42px rgba(0,0,0,0.38);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --font-en:"Inter","DIN Alternate","Helvetica Neue",sans-serif;
  --container:1200px;
  --header-h:72px;
  --tabbar-h:60px;
  --block-space:88px;
  --block-space-mobi:56px;
}

/* ===== Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  color:var(--text-main);
  background:var(--bg-deep);
  background-image:
    radial-gradient(ellipse at 15% -10%,rgba(43,127,255,0.09),transparent 50%),
    radial-gradient(ellipse at 95% 15%,rgba(0,224,198,0.04),transparent 42%),
    radial-gradient(ellipse at 60% 80%,rgba(255,159,90,0.03),transparent 40%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{list-style:none;}
input,textarea{font-family:inherit;}

/* ===== Typography ===== */
h1,h2,h3,h4,h5{line-height:1.3;font-weight:700;}
h1{font-size:60px;font-weight:800;letter-spacing:-0.02em;}
h2{font-size:34px;font-weight:700;}
h3{font-size:20px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{color:var(--text-sub);font-size:15px;}
strong{font-weight:600;color:var(--text-main);}

/* ===== Layout ===== */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--block-space) 0;position:relative;}
.section-alt{background:var(--bg-base);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap;}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--cyan);
  background:rgba(0,224,198,0.1);
  border:1px solid rgba(0,224,198,0.2);
  padding:4px 14px;border-radius:var(--radius-tag);
  margin-bottom:10px;
}
.section-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);}
.section-head p{font-size:15px;max-width:420px;text-align:right;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
  min-height:44px;
  white-space:nowrap;
  position:relative;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.btn:active{transform:scale(0.98);}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;
  box-shadow:0 0 20px var(--primary-glow),inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 32px rgba(43,127,255,0.55),inset 0 1px 0 rgba(255,255,255,0.2);
  filter:brightness(1.08);
}
.btn-ghost{
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-light);
  color:var(--text-main);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.08);
  border-color:var(--border-blue);
  transform:translateY(-2px);
  box-shadow:0 0 20px rgba(43,127,255,0.15);
}
.btn-lg{padding:16px 36px;font-size:16px;}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px;}
.btn-cta{
  background:linear-gradient(135deg,var(--cyan) 0%,#00B8A4 100%);
  color:#04121A;
  font-weight:700;
  box-shadow:0 0 30px var(--cyan-glow),inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 0 42px rgba(0,224,198,0.45),inset 0 1px 0 rgba(255,255,255,0.4);
  filter:brightness(1.05);
}

/* ===== Tags & Badges ===== */
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;
  padding:3px 12px;
  border-radius:var(--radius-tag);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border-glass);
  color:var(--text-sub);
  transition:all .25s ease;
}
.tag-cyan{background:rgba(0,224,198,0.1);border-color:rgba(0,224,198,0.25);color:var(--cyan);}
.tag-orange{background:rgba(255,159,90,0.1);border-color:rgba(255,159,90,0.25);color:var(--orange);}
.badge{
  display:inline-flex;align-items:center;
  font-size:11px;font-weight:600;
  padding:3px 10px;
  border-radius:var(--radius-tag);
  background:linear-gradient(135deg,var(--red),#FF6B6B);
  color:#fff;
  letter-spacing:0.02em;
  box-shadow:0 2px 12px rgba(255,71,87,0.35);
}
.badge-hot{background:linear-gradient(135deg,#FF6B3D,var(--orange));box-shadow:0 2px 12px rgba(255,159,90,0.35);}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  z-index:100;
  background:rgba(7,12,22,0.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.site-header.scrolled{
  border-bottom-color:rgba(43,127,255,0.18);
  background:rgba(7,12,22,0.92);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:100%;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px;}
.brand-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 0 18px rgba(43,127,255,0.35);
}
.brand-name{font-size:19px;font-weight:700;color:var(--text-main);letter-spacing:0.01em;}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:42px;padding:0 18px;
  font-size:15px;font-weight:500;
  color:var(--text-sub);
  border-radius:var(--radius-tag);
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text-main);background:rgba(255,255,255,0.05);}
.nav-link.active{
  color:#fff;
  background:rgba(43,127,255,0.16);
  box-shadow:inset 0 0 0 1px rgba(43,127,255,0.35);
}
.nav-link.active::after{
  content:"";position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
  width:20px;height:3px;border-radius:99px;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary-glow);
}
.header-cta{flex-shrink:0;}

/* ===== Mobile Tabbar ===== */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;
  height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,12,22,0.92);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-top:1px solid rgba(255,255,255,0.08);
  z-index:120;
  justify-content:space-around;
  align-items:stretch;
}
.tab-item{
  position:relative;
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;
  color:var(--text-dim);
  font-size:11px;
  transition:color .25s ease;
  min-height:44px;
}
.tab-item .tab-icon{width:22px;height:22px;transition:transform .25s ease;}
.tab-item.active{color:var(--cyan);}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:3px;border-radius:0 0 99px 99px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  box-shadow:0 0 14px rgba(0,224,198,0.5);
}
.tab-item:active .tab-icon{transform:scale(0.9);}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:calc(100vh - 0px);
  display:flex;align-items:center;
  padding:calc(var(--header-h) + 40px) 0 72px;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,
    rgba(7,12,22,0.55) 0%,
    rgba(7,12,22,0.72) 45%,
    rgba(7,12,22,0.92) 100%
  );
  z-index:1;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 40%,rgba(43,127,255,0.15),transparent 60%);
  z-index:1;
}
.hero-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:56px;width:100%;
}
.hero-copy{max-width:560px;flex:1;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--cyan);
  background:rgba(0,224,198,0.08);
  border:1px solid rgba(0,224,198,0.2);
  padding:5px 16px;border-radius:var(--radius-tag);
  margin-bottom:20px;
  backdrop-filter:blur(8px);
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.hero h1{margin-bottom:16px;}
.hero-subtitle{font-size:18px;color:var(--text-sub);max-width:460px;line-height:1.8;margin-bottom:30px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:38px;}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;}
.hero-stats .stat{display:flex;flex-direction:column;}
.hero-stats .stat strong{font-size:24px;font-weight:700;color:var(--text-main);font-family:var(--font-en);}
.hero-stats .stat span{font-size:13px;color:var(--text-dim);}

/* Hero Phone */
.hero-phone{flex-shrink:0;width:300px;position:relative;}
.phone-shell{
  width:300px;max-width:80vw;
  aspect-ratio:9/16;
  border-radius:36px;
  background:#0B1426;
  padding:12px;
  border:1px solid rgba(255,255,255,0.14);
  box-shadow:0 24px 60px rgba(0,0,0,0.5),0 0 60px rgba(43,127,255,0.12);
  margin:0 auto;
}
.phone-screen{
  position:relative;width:100%;height:100%;
  border-radius:26px;overflow:hidden;
  background:#000;
}
.phone-screen img{width:100%;height:100%;object-fit:cover;}
.phone-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0.06) 40%,rgba(0,0,0,0.75) 100%);
}
.phone-badge{
  position:absolute;top:14px;right:14px;
  font-size:12px;font-weight:600;color:#fff;
  background:rgba(255,71,87,0.85);
  padding:4px 12px;border-radius:var(--radius-tag);
  backdrop-filter:blur(6px);
}
.phone-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,0.18);
  border:1px solid rgba(255,255,255,0.3);
  backdrop-filter:blur(12px);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.phone-play svg{width:24px;height:24px;margin-left:4px;fill:#fff;}
.phone-play:hover{transform:translate(-50%,-50%) scale(1.08);background:var(--primary);box-shadow:0 0 30px rgba(43,127,255,0.6);}
.phone-title{
  position:absolute;left:16px;right:16px;bottom:40px;
  font-size:15px;font-weight:600;color:#fff;
  text-shadow:0 2px 8px rgba(0,0,0,0.6);
}
.phone-progress{
  position:absolute;left:16px;right:16px;bottom:22px;
  height:3px;border-radius:99px;
  background:rgba(255,255,255,0.2);
}
.phone-progress i{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  width:65%;
}
.scroll-indicator{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  color:var(--text-dim);font-size:12px;
  animation:floatDown 2.4s ease-in-out infinite;
}
.scroll-indicator span{
  width:1px;height:36px;
  background:linear-gradient(180deg,var(--cyan),transparent);
  display:block;
}
@keyframes floatDown{
  0%,100%{opacity:0.65;transform:translateX(-50%) translateY(0);}
  50%{opacity:1;transform:translateX(-50%) translateY(6px);}
}

/* ===== Glass Card ===== */
.glass-card{
  background:linear-gradient(145deg,rgba(255,255,255,0.06),rgba(255,255,255,0.03));
  border:1px solid var(--border-glass);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.08),0 0 0 1px rgba(255,255,255,0.02);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}

/* ===== Hot Section ===== */
.hot-section{padding-top:var(--block-space);}
.mobile-slide-hint{display:none;font-size:13px;color:var(--text-dim);align-items:center;gap:4px;}
.hot-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.hot-card{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:linear-gradient(145deg,rgba(255,255,255,0.05),rgba(255,255,255,0.02));
  border:1px solid var(--border-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.06);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
  display:flex;flex-direction:column;
}
.hot-card:hover{
  transform:translateY(-6px);
  border-color:var(--border-blue);
  box-shadow:var(--shadow-hover),0 0 30px rgba(43,127,255,0.12);
}
.hot-card:hover .hot-cover img{transform:scale(1.06);}
.hot-card:hover .hot-cover .play-btn{transform:translate(-50%,-50%) scale(1.12);box-shadow:0 0 28px rgba(43,127,255,0.6);}
.hot-cover{
  position:relative;aspect-ratio:9/16;overflow:hidden;
  border-radius:var(--radius-card) var(--radius-card) 0 0;
}
.hot-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.hot-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0.02) 55%,rgba(0,0,0,0.7) 100%);
}
.hot-badge{
  position:absolute;top:12px;left:12px;z-index:2;
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,0.16);
  border:1px solid rgba(255,255,255,0.35);
  backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease,background .3s ease,box-shadow .3s ease;
  color:#fff;
}
.play-btn svg{width:20px;height:20px;fill:#fff;margin-left:3px;}
.duration{
  position:absolute;right:12px;bottom:52px;z-index:2;
  font-size:12px;font-weight:500;color:#fff;
  background:rgba(0,0,0,0.6);
  padding:2px 8px;border-radius:6px;
  backdrop-filter:blur(4px);
}
.hot-info{padding:14px 16px 18px;display:flex;flex-direction:column;gap:6px;}
.hot-info h3{font-size:16px;font-weight:600;line-height:1.45;}
.hot-meta{font-size:13px;color:var(--text-dim);display:flex;align-items:center;gap:6px;}

/* ===== Wish Section ===== */
.wish-section{background:var(--bg-base);}
.wish-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.wish-card{
  display:flex;align-items:center;gap:16px;
  padding:14px;
  border-radius:var(--radius-card);
  background:linear-gradient(145deg,rgba(255,255,255,0.05),rgba(255,255,255,0.02));
  border:1px solid var(--border-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.06);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.wish-card:hover{transform:translateY(-4px);border-color:var(--border-blue);box-shadow:var(--shadow-hover);}
.wish-thumb{
  width:112px;height:84px;flex-shrink:0;
  border-radius:var(--radius-img);
  overflow:hidden;
}
.wish-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.wish-card:hover .wish-thumb img{transform:scale(1.08);}
.wish-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;}
.wish-info .tag{align-self:flex-start;}
.wish-info h3{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.wish-info p{font-size:13px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.wish-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-dim);}
.wish-btn{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;
  border-radius:var(--radius-tag);
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border-light);
  color:var(--text-sub);
  transition:all .3s ease;
  min-height:38px;
}
.wish-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;}
.wish-btn:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,224,198,0.08);}
.wish-btn.active{
  background:rgba(0,224,198,0.15);
  border-color:var(--cyan);
  color:var(--cyan);
  box-shadow:0 0 16px rgba(0,224,198,0.2);
}
.wish-btn.active svg{fill:var(--cyan);stroke:var(--cyan);}

/* ===== News / CMS Section ===== */
.news-section{position:relative;}
.news-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,127,255,0.2),transparent);
}
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-card{
  display:flex;align-items:center;gap:20px;
  padding:16px;
  border-radius:var(--radius-card);
  background:linear-gradient(145deg,rgba(255,255,255,0.045),rgba(255,255,255,0.02));
  border:1px solid var(--border-glass);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.05);
  transition:transform .3s ease,border-color .3s ease,background .3s ease,box-shadow .3s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-blue);
  background:rgba(255,255,255,0.07);
  box-shadow:var(--shadow-hover);
}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-thumb{
  position:relative;flex-shrink:0;
  width:280px;aspect-ratio:16/9;
  border-radius:var(--radius-img);
  overflow:hidden;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-info h3{font-size:18px;font-weight:600;line-height:1.5;transition:color .25s ease;}
.news-card:hover .news-info h3{color:var(--cyan);}
.news-info p{
  font-size:14px;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  max-width:620px;
}
.news-date{font-size:13px;color:var(--text-dim);display:flex;align-items:center;gap:8px;}
.cat-badge{
  position:absolute;top:10px;left:10px;
  font-size:11px;font-weight:600;color:#fff;
  background:rgba(43,127,255,0.85);
  padding:3px 10px;border-radius:var(--radius-tag);
  backdrop-filter:blur(6px);
}
.news-link{
  flex-shrink:0;
  font-size:13px;font-weight:600;color:var(--cyan);
  padding:8px 16px;border-radius:var(--radius-tag);
  border:1px solid rgba(0,224,198,0.25);
  transition:all .25s ease;
}
.news-link:hover{background:rgba(0,224,198,0.1);}
/* Empty state */
.empty-state{
  border:1.5px dashed rgba(255,255,255,0.18);
  border-radius:var(--radius-card);
  padding:60px 24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:rgba(255,255,255,0.02);
  backdrop-filter:blur(8px);
  text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--text-dim);opacity:0.5;}
.empty-state p{font-size:15px;color:var(--text-sub);}

/* ===== Review Section ===== */
.review-section{background:var(--bg-base);}
.review-layout{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:32px;
  align-items:stretch;
}
.review-overview{
  padding:32px 24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  text-align:center;
}
.score-big{font-size:64px;font-weight:800;color:var(--text-main);font-family:var(--font-en);line-height:1;}
.stars{color:#FFB800;font-size:18px;letter-spacing:3px;}
.stars .star-half{opacity:0.5;}
.review-count{font-size:13px;color:var(--text-dim);}
.review-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px;}
.review-track{
  display:flex;gap:20px;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex-shrink:0;
  width:320px;
  padding:22px;
  display:flex;flex-direction:column;gap:10px;
}
.rc-head{display:flex;align-items:center;gap:10px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:#fff;
  background:var(--av,#2B7FFF);
  flex-shrink:0;
}
.rc-name{font-size:14px;font-weight:600;color:var(--text-main);}
.rc-city{font-size:12px;color:var(--text-dim);padding:2px 10px;border-radius:var(--radius-tag);background:rgba(255,255,255,0.05);}
.rc-stars{color:#FFB800;font-size:14px;letter-spacing:2px;}
.rc-text{font-size:14px;color:var(--text-sub);line-height:1.7;}
.rc-like{font-size:12px;color:var(--text-dim);display:flex;align-items:center;gap:6px;}

/* ===== Buy CTA ===== */
.buy-section{position:relative;overflow:hidden;}
.cta-panel{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px 52px;
  border-radius:24px;
  background:linear-gradient(135deg,rgba(43,127,255,0.22),rgba(0,224,198,0.14)),rgba(10,16,32,0.8);
  border:1px solid rgba(43,127,255,0.3);
  box-shadow:0 16px 48px rgba(0,0,0,0.35),0 0 50px rgba(43,127,255,0.12),inset 0 1px 0 rgba(255,255,255,0.1);
  backdrop-filter:blur(16px);
}
.cta-panel::before{
  content:"";position:absolute;top:-80px;right:-80px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,224,198,0.14),transparent 70%);
  pointer-events:none;
}
.cta-info h2{font-size:28px;margin-bottom:8px;}
.cta-info p{font-size:14px;}
.cta-info p b{color:var(--cyan);font-size:18px;font-family:var(--font-en);}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* Buy capsule */
.buy-capsule{
  position:fixed;right:24px;bottom:32px;
  z-index:110;
  display:none;
  align-items:center;gap:14px;
  padding:10px 10px 10px 20px;
  border-radius:var(--radius-tag);
  background:rgba(10,16,32,0.85);
  border:1px solid rgba(43,127,255,0.35);
  box-shadow:0 8px 30px rgba(0,0,0,0.4),0 0 24px rgba(43,127,255,0.2);
  backdrop-filter:blur(16px);
  min-height:52px;
}
.capsule-count{font-size:14px;font-weight:600;color:var(--text-main);white-space:nowrap;}
.capsule-count b{color:var(--cyan);font-family:var(--font-en);margin-left:4px;}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-card);
  background:linear-gradient(145deg,rgba(255,255,255,0.045),rgba(255,255,255,0.02));
  border:1px solid var(--border-glass);
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{border-color:rgba(43,127,255,0.35);box-shadow:0 0 24px rgba(43,127,255,0.08);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--text-main);
  text-align:left;
  min-height:56px;
  transition:color .25s ease;
}
.faq-q:hover{color:var(--cyan);}
.faq-arrow{width:18px;height:18px;flex-shrink:0;stroke:var(--text-dim);transition:transform .35s ease,stroke .3s ease;}
.faq-item.open .faq-arrow{transform:rotate(180deg);stroke:var(--cyan);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,padding .4s ease;
}
.faq-item.open .faq-a{max-height:500px;padding:0 22px 20px;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-sub);}

/* ===== Footer ===== */
.site-footer{
  background:#050913;
  border-top:1px solid rgba(255,255,255,0.06);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-brand .brand{display:flex;align-items:center;gap:10px;}
.footer-brand p{font-size:14px;color:var(--text-dim);max-width:280px;line-height:1.8;}
.footer-col h4{font-size:16px;font-weight:600;color:var(--text-main);margin-bottom:18px;}
.footer-col a{
  display:block;font-size:14px;color:var(--text-sub);
  padding:6px 0;
  transition:color .25s ease,padding-left .25s ease;
  min-height:36px;
  display:flex;align-items:center;
}
.footer-col a:hover{color:var(--cyan);padding-left:6px;}
.footer-col p{font-size:14px;color:var(--text-sub);line-height:2;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;
  font-size:13px;color:var(--text-dim);
}

/* Back to top */
.back-top{
  position:fixed;right:24px;bottom:100px;
  width:46px;height:46px;border-radius:50%;
  background:rgba(10,16,32,0.85);
  border:1px solid var(--border-light);
  backdrop-filter:blur(12px);
  display:none;align-items:center;justify-content:center;
  color:var(--text-sub);
  transition:all .3s ease;
  z-index:105;
}
.back-top:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 20px rgba(0,224,198,0.2);transform:translateY(-2px);}
.back-top svg{width:20px;height:20px;stroke:currentColor;}

/* Toast */
.toast{
  position:fixed;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 80px);
  left:50%;transform:translateX(-50%) translateY(16px);
  background:rgba(11,20,38,0.92);
  border:1px solid var(--border-light);
  padding:10px 22px;border-radius:var(--radius-tag);
  font-size:14px;color:var(--text-main);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,0.4);
  opacity:0;
  transition:opacity .3s ease,transform .3s ease;
  z-index:200;
  pointer-events:none;
  white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .desktop-nav{display:none;}
  .header-cta{display:none;}
  .mobile-tabbar{display:flex;}
  body{padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom));}
  .back-top{bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 20px);}
  .buy-capsule{bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 12px);right:16px;}
  .hot-grid{grid-template-columns:repeat(2,1fr);}
  .wish-grid{grid-template-columns:1fr 1fr;}
  .review-layout{grid-template-columns:1fr;}
}
@media (max-width:768px){
  :root{--block-space:var(--block-space-mobi);}
  h1{font-size:36px;}
  h2{font-size:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head p{text-align:left;}
  .hero{min-height:100dvh;padding-top:calc(var(--header-h) + 32px);padding-bottom:56px;}
  .hero-inner{flex-direction:column;gap:32px;}
  .hero-copy{max-width:100%;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{gap:24px;}
  .hero-phone{width:240px;}
  .phone-shell{width:240px;}
  .hot-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin:0 -16px;padding-left:16px;padding-right:16px;scrollbar-width:none;}
  .hot-grid::-webkit-scrollbar{display:none;}
  .hot-card{flex-shrink:0;width:72vw;max-width:300px;scroll-snap-align:start;}
  .mobile-slide-hint{display:inline-flex;}
  .wish-grid{grid-template-columns:1fr;}
  .wish-card{padding:12px;}
  .wish-thumb{width:96px;height:72px;}
  .news-card{flex-direction:row;flex-wrap:wrap;padding:14px;}
  .news-thumb{width:100%;aspect-ratio:16/9;}
  .news-info{padding-top:4px;}
  .news-link{align-self:flex-start;}
  .review-layout{grid-template-columns:1fr;}
  .review-card{width:82vw;}
  .cta-panel{padding:36px 24px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  h1{font-size:32px;}
  .btn-lg{padding:14px 26px;}
  .hero-stats .stat strong{font-size:20px;}
  .hero-stats .stat span{font-size:12px;}
  .hot-card{width:76vw;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#070C16;
  --bg-2:#0A1020;
  --primary:#2B7FFF;
  --primary-glow:rgba(43,127,255,.35);
  --secondary:#00E0C6;
  --accent:#FF9F5A;
  --danger:#FF4757;
  --text:#F0F5FC;
  --text-sub:#A6B8D0;
  --text-weak:rgba(240,245,252,.45);
  --border:rgba(255,255,255,.08);
  --card-bg:rgba(255,255,255,.04);
  --card-bg-2:rgba(255,255,255,.06);
  --radius:18px;
  --radius-btn:14px;
  --radius-tag:999px;
  --shadow:0 8px 24px rgba(0,0,0,.24);
  --shadow-hover:0 14px 36px rgba(0,0,0,.35);
  --font-cn:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;
  --font-num:Inter,DIN Alternate,PingFang SC,sans-serif;
  --container:1200px;
  --space:88px;
  --space-mob:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:linear-gradient(180deg,#0A1020 0%,#070C16 40%,#0A1020 100%);
  z-index:-1;
}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--secondary)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:768px){
  .container{padding:0 16px}
  body{font-size:15px;line-height:1.7}
}

/* ===== Header ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:72px;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(7,12,22,.9);
  border-bottom-color:var(--border);
  box-shadow:0 4px 24px rgba(0,0,0,.25);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:38px;height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  border-radius:12px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  box-shadow:0 0 18px rgba(43,127,255,.4);
}
.brand-name{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.5px;
}
.desktop-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.desktop-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 18px;
  border-radius:var(--radius-tag);
  color:var(--text-sub);
  font-size:15px;
  font-weight:500;
  transition:all .25s ease;
}
.desktop-nav .nav-link:hover{
  color:var(--text);
  background:rgba(43,127,255,.1);
}
.desktop-nav .nav-link.active{
  color:#fff;
  background:rgba(43,127,255,.18);
  box-shadow:inset 0 0 0 1px rgba(43,127,255,.24);
}
.desktop-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-4px;
  transform:translateX(-50%);
  width:18px;height:2px;
  background:var(--secondary);
  border-radius:2px;
  box-shadow:0 0 8px rgba(0,224,198,.6);
}
.header-cta{
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  padding:14px 26px;
  cursor:pointer;
  transition:all .25s ease;
  text-align:center;
}
.btn:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,#1E63E8 100%);
  color:#fff;
  box-shadow:0 0 20px var(--primary-glow);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 30px rgba(43,127,255,.55);
  color:#fff;
}
.btn-primary:active{
  transform:scale(.98);
  box-shadow:0 0 12px rgba(43,127,255,.3);
}
.btn-outline{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--border);
  backdrop-filter:blur(8px);
}
.btn-outline:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(43,127,255,.5);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:12px}

/* ===== Mobile Tab ===== */
.mobile-tab-bar{
  display:none;
}
@media(max-width:1023px){
  .desktop-nav{display:none}
  .header-cta{display:none}
  .mobile-tab-bar{
    display:flex;
    position:fixed;
    left:0;right:0;
    bottom:0;
    z-index:999;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(10,16,32,.94);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--border);
    justify-content:space-around;
    align-items:stretch;
  }
  .mobile-tab-bar a{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    color:var(--text-sub);
    font-size:11px;
    font-weight:500;
    min-height:44px;
    transition:color .2s ease;
    position:relative;
  }
  .mobile-tab-bar a svg{
    width:20px;height:20px;
    stroke:currentColor;
    fill:none;
    stroke-width:1.8;
    stroke-linecap:round;
    stroke-linejoin:round;
  }
  .mobile-tab-bar a.active{
    color:var(--secondary);
  }
  .mobile-tab-bar a.active::before{
    content:"";
    position:absolute;
    top:-1px;
    left:50%;
    transform:translateX(-50%);
    width:22px;height:3px;
    background:var(--secondary);
    border-radius:0 0 4px 4px;
    box-shadow:0 0 10px rgba(0,224,198,.6);
  }
  .footer-bottom{margin-bottom:20px}
}

/* ===== Hero ===== */
.category-hero{
  position:relative;
  min-height:80vh;
  display:flex;
  align-items:center;
  padding:140px 0 88px;
  background:url('/assets/images/backpic/back-1.webp') no-repeat center center/cover;
  isolation:isolate;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,22,.55) 0%,rgba(7,12,22,.82) 60%,var(--bg) 100%),
    radial-gradient(ellipse at 30% 40%,rgba(43,127,255,.15) 0%,transparent 55%);
  z-index:-1;
}
.hero-content{
  max-width:760px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  background:rgba(0,224,198,.12);
  border:1px solid rgba(0,224,198,.3);
  border-radius:var(--radius-tag);
  color:var(--secondary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:20px;
}
.hero-title{
  font-size:58px;
  font-weight:800;
  line-height:1.18;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:-1px;
}
.hero-title span{
  background:linear-gradient(120deg,var(--secondary),var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-subtitle{
  font-size:18px;
  color:var(--text-sub);
  max-width:600px;
  margin-bottom:32px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap{
  padding:24px 0 8px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-weak);
}
.breadcrumb a{
  color:var(--text-sub);
}
.breadcrumb a:hover{
  color:var(--secondary);
}
.breadcrumb .sep{
  color:var(--text-weak);
  opacity:.5;
}
.breadcrumb .current{
  color:var(--text);
}

/* ===== Section Commons ===== */
.section{
  padding:var(--space) 0;
}
@media(max-width:768px){
  .section{padding:var(--space-mob) 0}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--secondary);
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-title{
  font-size:32px;
  font-weight:700;
  line-height:1.35;
  color:var(--text);
}
.section-title em{
  font-style:normal;
  color:var(--secondary);
}
.section-desc{
  color:var(--text-sub);
  font-size:15px;
  max-width:520px;
}
@media(max-width:768px){
  .section-title{font-size:24px}
}

/* ===== Magazine List ===== */
.magazine-list{
  display:flex;
  flex-direction:column;
  gap:32px;
}
.magazine-card{
  display:grid;
  grid-template-columns:440px 1fr;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  backdrop-filter:blur(8px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  box-shadow:var(--shadow);
}
.magazine-card:hover{
  transform:translateY(-6px);
  border-color:rgba(43,127,255,.4);
  box-shadow:var(--shadow-hover);
}
.magazine-card:hover .magazine-thumb img{
  transform:scale(1.05);
}
.magazine-thumb{
  position:relative;
  overflow:hidden;
  min-height:280px;
  aspect-ratio:16/10;
}
.magazine-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.magazine-thumb .play-tag{
  position:absolute;
  bottom:14px;left:14px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:rgba(7,12,22,.7);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-tag);
  padding:6px 12px;
  font-size:12px;
  color:#fff;
  backdrop-filter:blur(6px);
}
.magazine-body{
  padding:36px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.magazine-tag{
  align-self:flex-start;
  margin-bottom:14px;
  padding:5px 14px;
  border-radius:var(--radius-tag);
  font-size:12px;
  font-weight:600;
  background:rgba(0,224,198,.12);
  color:var(--secondary);
  border:1px solid rgba(0,224,198,.25);
}
.magazine-body h3{
  font-size:24px;
  font-weight:700;
  color:var(--text);
  margin-bottom:12px;
  line-height:1.4;
}
.magazine-body p{
  color:var(--text-sub);
  font-size:15px;
  line-height:1.8;
  margin-bottom:20px;
}
.magazine-meta{
  display:flex;
  align-items:center;
  gap:18px;
  font-size:13px;
  color:var(--text-weak);
}
.magazine-meta .hot{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--accent);
  font-weight:600;
}
.magazine-link{
  margin-top:20px;
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  font-size:14px;
  border-bottom:1px solid transparent;
  transition:all .25s ease;
}
.magazine-link:hover{
  color:var(--secondary);
  border-bottom-color:var(--secondary);
}
@media(max-width:900px){
  .magazine-card{
    grid-template-columns:1fr;
  }
  .magazine-thumb{
    min-height:220px;
  }
  .magazine-body{
    padding:28px 24px;
  }
}

/* ===== Stats Band ===== */
.stats-band{
  background:linear-gradient(135deg,rgba(43,127,255,.1) 0%,rgba(0,224,198,.06) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  text-align:center;
  padding:48px 0;
}
.stat-item{
  position:relative;
}
.stat-item + .stat-item::before{
  content:"";
  position:absolute;
  left:-16px;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:52px;
  background:var(--border);
}
.stat-num{
  font-family:var(--font-num);
  font-size:42px;
  font-weight:800;
  background:linear-gradient(120deg,var(--secondary),var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.stat-label{
  color:var(--text-sub);
  font-size:14px;
  margin-top:6px;
}
@media(max-width:768px){
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
    gap:24px 16px;
    padding:36px 0;
  }
  .stat-item:nth-child(2)::before{
    display:none;
  }
  .stat-item:nth-child(even)::before{
    display:none;
  }
}

/* ===== Steps ===== */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px 28px;
  backdrop-filter:blur(8px);
  transition:transform .3s ease,border-color .3s ease;
  position:relative;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(43,127,255,.35);
}
.step-num{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(43,127,255,.4);
  line-height:1;
  margin-bottom:18px;
}
.step-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  margin-bottom:10px;
}
.step-card p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
}
@media(max-width:900px){
  .steps-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
}

/* ===== Tags ===== */
.tags-section{
  background:var(--bg-2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  padding:20px 0;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 22px;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-tag);
  color:var(--text-sub);
  font-size:14px;
  font-weight:500;
  cursor:default;
  transition:all .25s ease;
  min-height:44px;
}
.tag-pill:hover{
  border-color:var(--secondary);
  color:var(--secondary);
  background:rgba(0,224,198,.06);
  transform:translateY(-2px);
}
.tag-pill .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 8px rgba(0,224,198,.6);
}

/* ===== FAQ ===== */
.faq-list{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(8px);
  transition:border-color .3s ease,background .3s ease;
  overflow:hidden;
}
.faq-item:hover{
  border-color:rgba(43,127,255,.3);
  background:var(--card-bg-2);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  min-height:44px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary .arrow{
  width:20px;height:20px;
  flex-shrink:0;
  color:var(--text-sub);
  transition:transform .3s ease,color .3s ease;
}
.faq-item summary:hover{
  color:var(--secondary);
}
.faq-item[open]{
  background:var(--card-bg-2);
  border-color:rgba(0,224,198,.3);
}
.faq-item[open] summary{
  color:var(--secondary);
}
.faq-item[open] summary .arrow{
  transform:rotate(180deg);
  color:var(--secondary);
}
.faq-answer{
  padding:0 26px 22px;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.8;
}
@media(max-width:768px){
  .faq-item summary{
    padding:18px 20px;
    font-size:15px;
  }
  .faq-answer{
    padding:0 20px 18px;
    font-size:14px;
  }
}

/* ===== CTA ===== */
.cta-section{
  padding:var(--space) 0;
}
.cta-panel{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(43,127,255,.25) 0%,rgba(0,224,198,.15) 100%);
  border:1px solid rgba(43,127,255,.25);
  border-radius:24px;
  padding:64px 56px;
  text-align:center;
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";
  position:absolute;
  top:-60%;right:-20%;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(0,224,198,.18) 0%,transparent 65%);
  pointer-events:none;
}
.cta-title{
  font-size:32px;
  font-weight:800;
  color:var(--text);
  margin-bottom:14px;
}
.cta-desc{
  color:var(--text-sub);
  font-size:16px;
  max-width:520px;
  margin:0 auto 32px;
}
.cta-panel .btn{
  position:relative;
  z-index:2;
}
@media(max-width:768px){
  .cta-panel{
    padding:40px 24px;
  }
  .cta-title{
    font-size:24px;
  }
}

/* ===== Footer ===== */
.site-footer{
  background:#05080F;
  border-top:1px solid var(--border);
  padding:64px 0 32px;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-brand .brand{
  margin-bottom:14px;
}
.footer-brand p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
  max-width:260px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  color:var(--text-sub);
  font-size:14px;
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{
  color:var(--secondary);
  transform:translateX(4px);
}
.footer-col p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
  margin-bottom:6px;
}
.footer-bottom{
  border-top:1px solid var(--border);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-weak);
}
@media(max-width:900px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px 24px;
  }
}
@media(max-width:520px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-bottom{
    justify-content:center;
    text-align:center;
  }
}

/* ===== Focus States ===== */
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:8px;
}

/* roulang page: article */
:root {
  --bg-dark: #070C16;
  --bg-deep: #0A1020;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(43, 127, 255, 0.35);
  --primary: #2B7FFF;
  --primary-dark: #1E5FE0;
  --primary-glow: rgba(43, 127, 255, 0.35);
  --accent: #00E0C6;
  --accent-soft: rgba(0, 224, 198, 0.15);
  --hot: #FF9F5A;
  --danger: #FF4757;
  --text-main: #F0F5FC;
  --text-sub: #A6B8D0;
  --text-dim: rgba(166, 184, 208, 0.55);
  --radius-main: 18px;
  --radius-btn: 14px;
  --radius-tag: 999px;
  --shadow-main: 0 8px 24px rgba(0, 0, 0, 0.24);
  --container-w: 1200px;
  --space-block: 88px;
  --space-mobile: 56px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --font-num: "Inter", "DIN Alternate", "SF Pro Display", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(ellipse 50% 30% at 50% -10%, rgba(43, 127, 255, 0.13), transparent 65%),
    radial-gradient(ellipse 35% 25% at 85% 10%, rgba(0, 224, 198, 0.05), transparent 60%);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--accent);
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, filter 0.25s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 0 20px rgba(43, 127, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(43, 127, 255, 0.55);
  filter: brightness(1.08);
  color: #fff;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.btn-ghost:hover {
  border-color: rgba(0, 224, 198, 0.4);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost:active {
  transform: scale(0.98);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 100;
  background: rgba(7, 12, 22, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: rgba(255, 255, 255, 0.08);
  background: rgba(7, 12, 22, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(43, 127, 255, 0.35);
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 36px;
}

.nav-link {
  position: relative;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: #fff;
  background: rgba(43, 127, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(43, 127, 255, 0.28), 0 0 12px rgba(43, 127, 255, 0.12);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0, 224, 198, 0.5);
}

.header-cta {
  margin-left: auto;
  flex-shrink: 0;
}

/* ===== Mobile Tabbar ===== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(60px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(10, 16, 32, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  z-index: 100;
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-dim);
  font-size: 12px;
  text-decoration: none;
  position: relative;
  min-height: 44px;
  transition: color 0.25s ease;
}

.tab-item i {
  font-size: 18px;
  transition: transform 0.25s ease;
}

.tab-item.active {
  color: var(--accent);
}

.tab-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 2px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 10px rgba(0, 224, 198, 0.55);
}

.tab-item:hover {
  color: var(--text-main);
}

/* ===== Reading Progress ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 200;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 12px rgba(43, 127, 255, 0.65);
  border-radius: 0 4px 4px 0;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 8px;
  font-size: 13px;
  color: var(--text-dim);
}

.crumb-link {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.25s ease;
}

.crumb-link:hover {
  color: var(--accent);
}

.crumb-sep {
  opacity: 0.4;
}

.crumb-current {
  color: var(--text-main);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Article Page ===== */
.article-page {
  padding-top: 112px;
  padding-bottom: 72px;
  min-height: 70vh;
}

/* ===== Article Wrap ===== */
.article-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 26px;
}

.article-category {
  display: inline-block;
  padding: 5px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 224, 198, 0.18);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-tag);
  margin-bottom: 14px;
}

.article-title {
  font-family: var(--font-num), var(--font-sans);
  font-size: 38px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-dim);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-item i {
  font-size: 14px;
  opacity: 0.8;
}

/* ===== Article Cover ===== */
.article-cover {
  border-radius: var(--radius-main);
  overflow: hidden;
  margin-bottom: 32px;
  aspect-ratio: 16 / 9;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-main);
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-cover:hover img {
  transform: scale(1.02);
}

/* ===== Article Body ===== */
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
}

.article-body > * + * {
  margin-top: 18px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 38px;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 30px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-body p {
  margin-top: 18px;
  color: rgba(240, 245, 252, 0.92);
}

.article-body strong {
  color: #fff;
  font-weight: 700;
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px dotted rgba(43, 127, 255, 0.5);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.article-body a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.article-body ul,
.article-body ol {
  margin-top: 18px;
  padding-left: 24px;
}

.article-body li {
  margin-top: 8px;
  line-height: 1.7;
  color: rgba(240, 245, 252, 0.9);
}

.article-body blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(43, 127, 255, 0.07);
  border-left: 3px solid var(--primary);
  border-radius: 0 14px 14px 0;
  color: var(--text-sub);
  font-style: normal;
}

.article-body blockquote p {
  color: var(--text-sub);
  margin: 0;
}

.article-body img {
  border-radius: 14px;
  margin: 24px 0;
  box-shadow: var(--shadow-main);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
  font-size: 15px;
}

.article-body th,
.article-body td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-body th {
  background: rgba(43, 127, 255, 0.08);
  font-weight: 600;
  color: var(--text-main);
}

.article-body tr:last-child td {
  border-bottom: none;
}

.article-body pre {
  background: #0D1424;
  padding: 20px;
  border-radius: 14px;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 1.65;
  color: #c8e1ff;
}

.article-body code {
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  font-size: 0.92em;
  background: rgba(43, 127, 255, 0.1);
  padding: 2px 8px;
  border-radius: 6px;
  color: #8ec5ff;
}

.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ===== Article Tags ===== */
.article-tags {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-sub);
  font-size: 13px;
  border-radius: var(--radius-tag);
  transition: border-color 0.25s ease, color 0.25s ease;
}

.tag:hover {
  border-color: rgba(0, 224, 198, 0.3);
  color: var(--accent);
}

/* ===== Not Found ===== */
.not-found {
  padding: 60px 0;
}

.not-found-panel {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 40px;
  background: var(--bg-card);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-main);
}

.not-found-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  background: rgba(43, 127, 255, 0.14);
  border-radius: 50%;
  border: 1px solid rgba(43, 127, 255, 0.2);
}

.not-found-panel h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.not-found-panel p {
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* ===== Section Head ===== */
.section-head {
  margin-bottom: 32px;
}

.section-head.center {
  text-align: center;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--text-sub);
  font-size: 14px;
}

/* ===== CTA Panel ===== */
.page-cta {
  margin: 64px 0;
  scroll-margin-top: 100px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 44px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.16), rgba(0, 224, 198, 0.07));
  border: 1px solid rgba(43, 127, 255, 0.22);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 224, 198, 0.1), transparent 70%);
  pointer-events: none;
}

.cta-overline {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.cta-desc {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 500px;
}

.cta-action {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== Related ===== */
.related-section {
  padding: 24px 0 64px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  display: block;
  border-radius: var(--radius-main);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-main);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  position: relative;
  text-decoration: none;
}

.related-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-card-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(43, 127, 255, 0.12);
}

.related-card:hover .related-cover img {
  transform: scale(1.06);
}

.related-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.08) 0%, rgba(7, 12, 22, 0.72) 100%);
}

.related-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 14px;
  border-radius: var(--radius-tag);
  background: rgba(7, 12, 22, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--hot);
  font-size: 12px;
  font-weight: 600;
}

.related-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 18px;
}

.related-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 6px;
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 6px;
}

.related-date {
  font-size: 12px;
  color: rgba(240, 245, 252, 0.6);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 24px 0 88px;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.faq-item.open {
  border-color: rgba(0, 224, 198, 0.22);
  background: rgba(255, 255, 255, 0.05);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  min-height: 56px;
  transition: color 0.25s ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  font-size: 14px;
  color: var(--text-sub);
  flex-shrink: 0;
  transition: transform 0.35s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 22px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 20px;
}

.faq-answer p {
  margin: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: rgba(4, 8, 16, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-sub);
  font-size: 14px;
  text-decoration: none;
  padding: 4px 0;
  margin-bottom: 6px;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-col p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
}

/* ===== Scroll Top ===== */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 90px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(43, 127, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.3s ease;
  box-shadow: 0 0 18px rgba(43, 127, 255, 0.35);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .desktop-nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .site-header {
    height: 62px;
  }

  .header-inner {
    height: 62px;
  }

  .mobile-tabbar {
    display: flex;
  }

  .article-page {
    padding-top: 96px;
    padding-bottom: 110px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
  }

  .cta-action {
    flex-direction: row;
    width: 100%;
  }

  .cta-action .btn {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .section-title {
    font-size: 28px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .article-page {
    padding-top: 88px;
  }

  .breadcrumb {
    font-size: 12px;
    padding: 16px 0 6px;
  }

  .crumb-current {
    max-width: 180px;
  }

  .article-title {
    font-size: 28px;
  }

  .article-meta {
    gap: 14px;
    font-size: 12px;
  }

  .article-body {
    font-size: 15.5px;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .article-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .cta-title {
    font-size: 23px;
  }

  .cta-action {
    flex-direction: column;
  }

  .cta-action .btn {
    width: 100%;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .related-cover {
    aspect-ratio: 16 / 9;
  }

  .section-title {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }

  .scroll-top {
    right: 16px;
    bottom: 84px;
    width: 42px;
    height: 42px;
  }

  .faq-question {
    font-size: 15px;
    padding: 15px 16px;
  }

  .faq-answer {
    padding: 0 16px;
  }
}

@media (max-width: 520px) {
  .brand-name {
    font-size: 16px;
  }

  .article-title {
    font-size: 25px;
  }

  .article-cover {
    aspect-ratio: 4 / 3;
  }

  .cta-panel {
    padding: 26px 22px;
  }

  .related-cover {
    aspect-ratio: 4 / 3;
  }

  .related-info {
    padding: 14px;
  }

  .related-title {
    font-size: 15px;
  }

  .not-found-panel {
    padding: 44px 24px;
  }
}

/* roulang page: category2 */
:root {
  --bg-deep: #070C16;
  --bg-soft: #0A1020;
  --primary: #2B7FFF;
  --milan-teal: #00E0C6;
  --hot-orange: #FF9F5A;
  --alert-red: #FF4757;
  --text-main: #F0F5FC;
  --text-sub: #A6B8D0;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --radius-card: 18px;
  --radius-btn: 14px;
  --radius-tag: 999px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.24);
  --glow-primary: 0 0 20px rgba(43, 127, 255, 0.35);
  --container: 1200px;
  --space-section: 80px;
  --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, background .25s ease;
  min-height: 48px;
  line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4F9CFF);
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(43, 127, 255, 0.55);
  filter: brightness(1.08);
}
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(43, 127, 255, 0.5);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 18px; font-size: 14px; min-height: 42px; border-radius: 12px; }
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
section { padding: var(--space-section) 0; }
.section-head { margin-bottom: 40px; }
.section-head .tag-line { display: inline-block; font-size: 13px; font-weight: 600; color: var(--milan-teal); background: rgba(0, 224, 198, 0.1); border: 1px solid rgba(0, 224, 198, 0.2); padding: 4px 14px; border-radius: var(--radius-tag); letter-spacing: 1px; }
.section-head h2 { font-size: clamp(24px, 4vw, 32px); font-weight: 700; margin-top: 14px; line-height: 1.35; }
.section-head p { color: var(--text-sub); margin-top: 10px; font-size: 15px; max-width: 640px; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 100;
  background: rgba(7, 12, 22, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(7, 12, 22, 0.92);
  border-bottom-color: var(--glass-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--milan-teal));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(43, 127, 255, 0.35);
}
.brand-name { letter-spacing: 0.5px; }
.desktop-nav { display: flex; gap: 6px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-tag);
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  transition: all .25s ease;
  min-height: 44px;
}
.nav-link:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.05); }
.nav-link.active {
  color: #fff;
  background: rgba(43, 127, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(43, 127, 255, 0.3), 0 0 20px rgba(43, 127, 255, 0.15);
}
.header-cta { flex-shrink: 0; }

/* Mobile bottom tab */
.mobile-tab {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: calc(60px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(7, 12, 22, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--glass-border);
  justify-content: space-around;
  align-items: center;
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  color: var(--text-sub);
  min-width: 56px;
  min-height: 48px;
  position: relative;
  transition: color .25s ease;
}
.tab-item svg { width: 20px; height: 20px; }
.tab-item:hover, .tab-item.active { color: var(--milan-teal); }
.tab-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 24px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--primary), var(--milan-teal));
}
.tab-item.tab-buy {
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.2), rgba(0, 224, 198, 0.16));
  border: 1px solid rgba(43, 127, 255, 0.3);
  border-radius: 16px;
  color: #fff;
}

/* Footer */
.site-footer {
  background: #050A13;
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 0;
  margin-bottom: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--text-sub); font-size: 14px; max-width: 280px; }
.footer-col h4 { font-size: 15px; font-weight: 600; margin-bottom: 14px; color: var(--text-main); }
.footer-col a, .footer-col p { display: block; color: var(--text-sub); font-size: 14px; line-height: 2.2; transition: color .2s ease; }
.footer-col a:hover { color: var(--milan-teal); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(166, 184, 208, 0.6);
  font-size: 13px;
  gap: 12px;
  flex-wrap: wrap;
}

/* Category Hero */
.cat-hero {
  position: relative;
  padding: 160px 0 84px;
  background:
    linear-gradient(180deg, rgba(7, 12, 22, 0.82) 0%, rgba(10, 16, 32, 0.94) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  display: flex;
  align-items: center;
  min-height: 520px;
}
.cat-hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--bg-deep));
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--milan-teal); }
.breadcrumb .sep { opacity: 0.5; }
.cat-hero h1 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
}
.cat-hero h1 span { color: var(--milan-teal); }
.hero-sub {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-preview {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-35%);
  width: 280px;
  aspect-ratio: 9 / 16;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
  background: var(--bg-soft);
}
.hero-preview img { width: 100%; height: 100%; object-fit: cover; }
.hero-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 12, 22, 0.8));
  z-index: 1;
}
.hero-preview .play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(43, 127, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 0 0 8px rgba(43, 127, 255, 0.18), 0 0 30px rgba(43, 127, 255, 0.5);
}
.hero-preview .play-badge svg { width: 20px; height: 20px; fill: #fff; margin-left: 3px; }
.hero-preview .preview-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.scroll-down {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-sub);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  letter-spacing: 2px;
}
.scroll-down::after {
  content: '';
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--milan-teal), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse { 0%, 100% { opacity: 0.4; transform: scaleY(0.8); } 50% { opacity: 1; transform: scaleY(1); } }

/* Cat Intro Features */
.feature-band { background: var(--bg-soft); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card), var(--glass-highlight);
  transition: transform .3s ease, border-color .3s ease;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(43, 127, 255, 0.4); }
.feature-card .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: rgba(43, 127, 255, 0.14);
  color: var(--primary);
}
.feature-card:nth-child(2) .icon-wrap { background: rgba(0, 224, 198, 0.12); color: var(--milan-teal); }
.feature-card:nth-child(3) .icon-wrap { background: rgba(255, 159, 90, 0.12); color: var(--hot-orange); }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { color: var(--text-sub); font-size: 14px; line-height: 1.8; }

/* Pick Grid vertical cards */
.pick-section { position: relative; }
.pick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pick-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background: var(--bg-soft);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.pick-card:hover {
  transform: translateY(-6px);
  border-color: rgba(43, 127, 255, 0.45);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(43, 127, 255, 0.25);
}
.pick-card .pick-media { position: absolute; inset: 0; }
.pick-card .pick-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.pick-card:hover .pick-media img { transform: scale(1.05); }
.pick-card .pick-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.05) 30%, rgba(7, 12, 22, 0.2) 60%, rgba(7, 12, 22, 0.9) 100%);
}
.pick-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(7, 12, 22, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 600;
  color: var(--milan-teal);
  padding: 4px 12px;
  border-radius: var(--radius-tag);
}
.pick-badge.hot {
  background: linear-gradient(135deg, rgba(255, 71, 87, 0.8), rgba(255, 159, 90, 0.85));
  color: #fff;
  border-color: transparent;
}
.pick-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all .3s ease;
}
.pick-play svg { width: 16px; height: 16px; fill: #fff; margin-left: 2px; }
.pick-card:hover .pick-play { width: 56px; height: 56px; background: var(--primary); box-shadow: 0 0 30px rgba(43, 127, 255, 0.6); }
.pick-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 14px 14px;
  z-index: 2;
}
.pick-info h3 { font-size: 16px; font-weight: 600; line-height: 1.4; margin-bottom: 6px; }
.pick-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: rgba(240, 245, 252, 0.7); margin-bottom: 12px; }
.pick-meta .heat { color: var(--hot-orange); font-weight: 600; }
.pick-meta .divider { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, 0.3); }
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  min-height: 44px;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  transition: all .25s ease;
}
.like-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.like-btn:hover { background: rgba(0, 224, 198, 0.12); border-color: rgba(0, 224, 198, 0.3); }
.like-btn.active {
  background: linear-gradient(135deg, rgba(0, 224, 198, 0.18), rgba(43, 127, 255, 0.18));
  border-color: rgba(0, 224, 198, 0.4);
  color: var(--milan-teal);
}
.like-btn.active svg { fill: var(--milan-teal); stroke: var(--milan-teal); }

/* Tag cloud */
.tag-band { background: var(--bg-soft); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-tag);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
  min-height: 44px;
  transition: all .25s ease;
}
.tag-chip:hover {
  color: #fff;
  background: rgba(43, 127, 255, 0.16);
  border-color: rgba(43, 127, 255, 0.4);
  transform: translateY(-2px);
}
.tag-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--milan-teal); }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: var(--shadow-card), var(--glass-highlight);
}
.step-card:hover { transform: translateY(-4px); border-color: rgba(0, 224, 198, 0.35); }
.step-card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 48px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
}
.step-card .step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 224, 198, 0.12);
  color: var(--milan-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.step-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.step-card p { color: var(--text-sub); font-size: 14px; line-height: 1.8; }

/* Reviews */
.review-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.review-track::-webkit-scrollbar { display: none; }
.review-card {
  flex: 0 0 320px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px;
  scroll-snap-align: start;
  transition: border-color .3s ease, transform .3s ease;
  box-shadow: var(--shadow-card), var(--glass-highlight);
}
.review-card:hover { border-color: rgba(0, 224, 198, 0.3); transform: translateY(-4px); }
.review-card .review-user { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-card .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--milan-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.review-card .user-name { font-size: 14px; font-weight: 600; }
.review-card .user-city { font-size: 12px; color: var(--text-sub); }
.review-card .stars { color: var(--hot-orange); font-size: 13px; letter-spacing: 2px; margin-bottom: 8px; }
.review-card .review-text { font-size: 14px; color: var(--text-sub); line-height: 1.8; }
.review-card .like-count { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-sub); margin-top: 12px; }
.review-card .like-count svg { width: 14px; height: 14px; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s ease;
}
.faq-item.open { border-color: rgba(43, 127, 255, 0.35); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  min-height: 56px;
  text-align: left;
}
.faq-q .faq-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
}
.faq-q .faq-arrow svg { width: 14px; height: 14px; stroke: var(--text-sub); fill: none; stroke-width: 2; }
.faq-item.open .faq-arrow { transform: rotate(180deg); background: rgba(43, 127, 255, 0.2); }
.faq-item.open .faq-arrow svg { stroke: var(--primary); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding: 0 22px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.9;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* CTA Panel */
.cta-section { padding-top: 20px; }
.cta-panel {
  position: relative;
  background:
    linear-gradient(135deg, rgba(43, 127, 255, 0.24), rgba(0, 224, 198, 0.08)),
    url('/assets/images/backpic/back-1.webp') center / cover;
  border-radius: 28px;
  border: 1px solid rgba(43, 127, 255, 0.2);
  padding: 56px 48px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}
.cta-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(7, 12, 22, 0.6));
  pointer-events: none;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: clamp(24px, 4vw, 32px); font-weight: 700; margin-bottom: 8px; }
.cta-content p { color: var(--text-sub); font-size: 15px; }
.cta-actions { position: relative; z-index: 2; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cta-count {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 14px 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-sub);
}
.cta-count strong { font-size: 22px; color: var(--milan-teal); }

/* Category links */
.cat-links {
  padding-top: 0;
}
.cat-links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cat-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  transition: all .3s ease;
  min-height: 72px;
}
.cat-link-card:hover {
  border-color: rgba(43, 127, 255, 0.4);
  background: rgba(43, 127, 255, 0.08);
  transform: translateY(-4px);
}
.cat-link-card .link-name { font-size: 15px; font-weight: 600; }
.cat-link-card .link-desc { font-size: 13px; color: var(--text-sub); }
.cat-link-card svg { width: 18px; height: 18px; stroke: var(--text-sub); flex-shrink: 0; }
.cat-link-card:hover svg { stroke: var(--milan-teal); }

/* Float buy capsule */
.float-buy {
  position: fixed;
  right: 28px;
  bottom: 40px;
  z-index: 95;
  background: rgba(10, 16, 32, 0.92);
  border: 1px solid rgba(43, 127, 255, 0.35);
  backdrop-filter: blur(16px);
  border-radius: 999px;
  padding: 10px 10px 10px 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(43, 127, 255, 0.15);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all .35s ease;
  display: flex;
  align-items: center;
  gap: 14px;
}
.float-buy.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.float-buy .float-text { color: var(--text-main); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.float-buy .float-text em { font-style: normal; color: var(--milan-teal); font-weight: 700; }

/* Toast */
.toast {
  position: fixed;
  top: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(10, 16, 32, 0.95);
  border: 1px solid rgba(0, 224, 198, 0.4);
  color: var(--text-main);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: all .3s ease;
  z-index: 120;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Back to top */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 96px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  opacity: 0;
  pointer-events: none;
  transition: all .3s ease;
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { color: var(--milan-teal); border-color: rgba(0, 224, 198, 0.4); }
.back-top svg { width: 18px; height: 18px; }

/* Responsive */
@media (max-width: 1024px) {
  .pick-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .hero-preview { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cat-hero { min-height: 440px; padding: 140px 0 60px; }
  .desktop-nav { display: none; }
  .header-cta { display: none; }
  .site-header { height: 60px; }
  .mobile-tab { display: flex; }
  .site-footer { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  .float-buy {
    left: 16px;
    right: 16px;
    bottom: calc(72px + env(safe-area-inset-bottom));
    border-radius: 20px;
    justify-content: space-between;
    transform: translateY(20px);
  }
  .back-top { bottom: calc(130px + env(safe-area-inset-bottom)); right: 16px; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; }
  .container { padding: 0 16px; }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; }
  .cat-links-grid { grid-template-columns: 1fr; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-panel { padding: 36px 24px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; }
  .review-card { flex: 0 0 82vw; }
  .cat-hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { flex: 1; }
  .tag-chip { font-size: 13px; padding: 8px 16px; }
}
@media (max-width: 520px) {
  .pick-grid {
    display: flex;
    overflow-x: auto;
    gap: 16px;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    scrollbar-width: none;
  }
  .pick-grid::-webkit-scrollbar { display: none; }
  .pick-card {
    flex: 0 0 78vw;
    max-width: 320px;
    scroll-snap-align: start;
  }
  .section-head { margin-bottom: 28px; }
  .feature-card { padding: 22px 18px; }
  .step-card { padding: 24px 18px; }
  .btn { padding: 12px 20px; }
}

/* roulang page: category3 */
:root {
  --bg: #070C16;
  --bg-2: #0A1020;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(43, 127, 255, 0.45);
  --primary: #2B7FFF;
  --primary-glow: rgba(43, 127, 255, 0.35);
  --accent: #00E0C6;
  --hot: #FF9F5A;
  --danger: #FF4757;
  --text: #F0F5FC;
  --text-2: #A6B8D0;
  --text-3: rgba(166, 184, 208, 0.55);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  --container: 1200px;
  --space: 88px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  min-height: 44px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  outline: none;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(135deg, #2B7FFF, #1E6AE0);
  color: #fff;
  box-shadow: 0 0 20px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 0 32px rgba(43, 127, 255, 0.55);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}
.btn-ghost:active {
  transform: scale(0.98);
}
.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
  min-height: 40px;
}
.btn-lg {
  padding: 18px 42px;
  font-size: 18px;
  min-height: 56px;
}
.glass-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: all 0.35s ease;
}
.glass-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 12, 22, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(7, 12, 22, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 16px rgba(43, 127, 255, 0.45);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.3s ease;
  min-height: 40px;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
  color: var(--text);
  background: rgba(43, 127, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(43, 127, 255, 0.3);
}
.header-cta {
  flex-shrink: 0;
}
/* ===== Mobile Tabbar ===== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 16, 32, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  padding-bottom: var(--safe-bottom);
  height: calc(60px + var(--safe-bottom));
}
.tabbar-inner {
  display: flex;
  height: 60px;
  max-width: 600px;
  margin: 0 auto;
}
.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-2);
  font-size: 11px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  min-height: 44px;
}
.tab-item svg {
  width: 22px;
  height: 22px;
  transition: all 0.3s ease;
}
.tab-item.active {
  color: var(--accent);
}
.tab-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 224, 198, 0.7);
}
.tab-item:hover {
  color: var(--text);
}
/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-2);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--text-3);
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
}
/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.category-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.category-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.9) 0%, rgba(7, 12, 22, 0.68) 40%, rgba(7, 12, 22, 0.95) 100%);
}
.category-hero-bg::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  width: 500px;
  height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(43, 127, 255, 0.18), transparent 70%);
  z-index: 1;
}
.category-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(0, 224, 198, 0.18), rgba(43, 127, 255, 0.14));
  border: 1px solid rgba(0, 224, 198, 0.3);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.category-hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.category-hero .hero-desc {
  font-size: 18px;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
/* ===== Score Overview ===== */
.score-section {
  padding: 0 0 var(--space);
}
.score-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 52px;
  align-items: center;
  padding: 44px 52px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.score-summary {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding-right: 52px;
  border-right: 1px solid var(--border);
}
.score-num {
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.score-stars {
  font-size: 20px;
  color: var(--hot);
  letter-spacing: 4px;
}
.score-stat {
  font-size: 14px;
  color: var(--text-2);
}
.score-stat strong {
  color: var(--accent);
  font-weight: 700;
}
.score-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.score-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  background: rgba(0, 224, 198, 0.08);
  border: 1px solid rgba(0, 224, 198, 0.2);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  min-height: 36px;
}
.score-tag:hover {
  background: rgba(0, 224, 198, 0.15);
  border-color: rgba(0, 224, 198, 0.4);
}
/* ===== Section Head ===== */
.section-head {
  margin-bottom: 40px;
  text-align: center;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-2);
}
.section-head .accent-line {
  display: inline-block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin-top: 14px;
}
/* ===== Review List (Single Column) ===== */
.review-section {
  padding: var(--space) 0;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
}
.review-list {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.review-item {
  display: flex;
  gap: 28px;
  padding: 32px 36px;
}
.review-item:hover {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
}
.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}
.av-1 { background: linear-gradient(135deg, #2B7FFF, #00E0C6); }
.av-2 { background: linear-gradient(135deg, #FF9F5A, #FF4757); }
.av-3 { background: linear-gradient(135deg, #7B61FF, #2B7FFF); }
.av-4 { background: linear-gradient(135deg, #00E0C6, #2B7FFF); }
.av-5 { background: linear-gradient(135deg, #FF4757, #FF9F5A); }
.av-6 { background: linear-gradient(135deg, #2B7FFF, #7B61FF); }
.review-main {
  flex: 1;
  min-width: 0;
}
.review-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.review-name {
  font-size: 16px;
  font-weight: 700;
}
.review-city {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
  color: var(--text-2);
}
.review-stars {
  color: var(--hot);
  font-size: 15px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 14px;
}
.review-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.review-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: rgba(43, 127, 255, 0.1);
  border: 1px solid rgba(43, 127, 255, 0.2);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
}
.review-like {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 32px;
}
.review-like:hover {
  border-color: rgba(0, 224, 198, 0.35);
  color: var(--accent);
}
.review-like.liked {
  color: var(--accent);
  background: rgba(0, 224, 198, 0.1);
  border-color: rgba(0, 224, 198, 0.3);
}
.review-like svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}
.review-like.liked svg {
  fill: var(--accent);
  transform: scale(1.1);
}
/* ===== Guide Section ===== */
.guide-section {
  padding: var(--space) 0;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.guide-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.guide-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.guide-card:hover {
  border-color: rgba(43, 127, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}
.guide-card:hover::before {
  opacity: 1;
}
.guide-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.18), rgba(0, 224, 198, 0.14));
  border: 1px solid rgba(43, 127, 255, 0.25);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.guide-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.guide-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}
/* ===== Other Categories ===== */
.other-cats {
  padding: var(--space) 0;
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
}
.other-cats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}
.other-cat-card {
  display: flex;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all 0.35s ease;
  align-items: center;
}
.other-cat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}
.other-cat-img {
  width: 140px;
  height: 100px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
}
.other-cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.other-cat-card:hover .other-cat-img img {
  transform: scale(1.06);
}
.other-cat-info {
  flex: 1;
  min-width: 0;
}
.label-hot,
.label-cat {
  display: inline-block;
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}
.label-hot {
  background: rgba(255, 159, 90, 0.12);
  border: 1px solid rgba(255, 159, 90, 0.3);
  color: var(--hot);
}
.label-cat {
  background: rgba(0, 224, 198, 0.12);
  border: 1px solid rgba(0, 224, 198, 0.3);
  color: var(--accent);
}
.other-cat-info p {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 12px;
  line-height: 1.6;
}
.link-arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
/* ===== FAQ ===== */
.faq-section {
  padding: var(--space) 0;
}
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s ease;
}
.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}
.faq-item.open {
  border-color: rgba(43, 127, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 30px;
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  transition: color 0.3s ease;
}
.faq-question:hover {
  color: var(--accent);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--accent);
  transition: all 0.35s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(0, 224, 198, 0.15);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding: 0 30px 26px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
}
/* ===== CTA Band ===== */
.cta-band {
  padding: 0 0 var(--space);
}
.cta-card {
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.22), rgba(0, 224, 198, 0.1));
  border: 1px solid rgba(43, 127, 255, 0.35);
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  box-shadow: 0 0 60px rgba(43, 127, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 127, 255, 0.25), transparent 70%);
}
.cta-card::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 224, 198, 0.18), transparent 70%);
}
.cta-card h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-card p {
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}
.cta-card .btn {
  position: relative;
  z-index: 1;
}
/* ===== Buy Fab ===== */
.buy-fab {
  position: fixed;
  right: 24px;
  bottom: 40px;
  z-index: 990;
  display: none;
  animation: fabIn 0.4s ease both;
}
@keyframes fabIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.buy-fab a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--primary), #1E6AE0);
  color: #fff;
  box-shadow: 0 0 30px rgba(43, 127, 255, 0.5);
  font-size: 14px;
  font-weight: 600;
  min-height: 44px;
}
.buy-fab strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.25);
  font-size: 13px;
}
/* ===== Footer ===== */
.site-footer {
  background: #05080F;
  border-top: 1px solid var(--border);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-2);
  line-height: 2.1;
  transition: color 0.3s ease;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-col p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.9;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--text-3);
}
/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }
  .mobile-tabbar {
    display: block;
  }
  body {
    padding-bottom: calc(60px + var(--safe-bottom));
  }
  .category-hero {
    min-height: 520px;
    padding: 110px 0 60px;
  }
  .category-hero h1 {
    font-size: 36px;
  }
  .category-hero .hero-desc {
    font-size: 16px;
  }
  .score-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 28px;
  }
  .score-summary {
    padding-right: 0;
    padding-bottom: 24px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .guide-grid {
    grid-template-columns: 1fr 1fr;
  }
  .other-cats-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
  .cta-card {
    padding: 44px 28px;
  }
  .cta-card h2 {
    font-size: 26px;
  }
  .buy-fab {
    left: 50%;
    right: auto;
    bottom: calc(70px + var(--safe-bottom));
    transform: translateX(-50%);
    width: max-content;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  :root {
    --space: 56px;
  }
  .category-hero {
    min-height: 480px;
    padding: 110px 0 48px;
  }
  .category-hero h1 {
    font-size: 30px;
    letter-spacing: 0.5px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .breadcrumb {
    margin-bottom: 16px;
    font-size: 12px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .review-item {
    flex-direction: column;
    gap: 16px;
    padding: 24px 22px;
  }
  .review-avatar {
    width: 48px;
    height: 48px;
    font-size: 17px;
  }
  .review-meta {
    gap: 8px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .guide-card {
    padding: 28px 22px;
  }
  .other-cat-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 22px;
  }
  .other-cat-img {
    width: 100%;
    height: 160px;
  }
  .score-tags {
    gap: 8px;
  }
  .score-tag {
    padding: 6px 16px;
    font-size: 13px;
  }
  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-answer p {
    padding: 0 20px 20px;
    font-size: 14px;
  }
  .cta-card {
    padding: 40px 20px;
    border-radius: 20px;
  }
  .cta-card h2 {
    font-size: 24px;
  }
  .cta-card .btn-lg {
    width: 100%;
    padding: 16px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
  }
}
@media (max-width: 374px) {
  .brand-name {
    font-size: 18px;
  }
  .category-hero h1 {
    font-size: 27px;
  }
}