/* roulang page: index */
:root{
  --c-brand:#2FE39B;
  --c-accent:#FF5E7A;
  --c-gold:#FFC857;
  --c-bg:#0B0817;
  --c-surface:#14102A;
  --c-surface-2:#1C1636;
  --c-line:rgba(255,255,255,.09);
  --t-hi:#F4F2FF;
  --t-mid:#B6AFD4;
  --t-low:#7A7397;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 0 0 1px rgba(47,227,155,.14),0 16px 40px -16px rgba(0,0,0,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--t-mid);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
::selection{background:rgba(47,227,155,.28);color:#fff;}
:focus-visible{outline:3px solid var(--c-brand);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 40px;}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(11,8,23,.35);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header.is-stuck{background:rgba(11,8,23,.88);border-bottom-color:var(--c-line);}
.nav-wrap{
  max-width:1240px;margin:0 auto;padding:0 20px;height:72px;
  display:flex;align-items:center;gap:14px;
  transition:height 220ms var(--ease);
}
.is-stuck .nav-wrap{height:60px;}
@media(min-width:768px){.nav-wrap{padding:0 32px;}}
@media(min-width:1280px){.nav-wrap{padding:0 40px;}}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-shadow:0 1px 10px rgba(0,0,0,.35);}
.brand-mark{
  position:relative;width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,#37f0a6,#17a97a);
  box-shadow:0 0 20px rgba(47,227,155,.38);
}
.brand-mark::before{content:"";position:absolute;inset:0;border-radius:12px;border:1px solid rgba(255,255,255,.28);}
.brand-mark::after{
  content:"";position:absolute;left:14px;top:11px;
  border-left:13px solid #06140E;
  border-top:8px solid transparent;
  border-bottom:8px solid transparent;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--t-hi);letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--c-brand);letter-spacing:.08em;}
.main-nav{display:none;align-items:center;gap:4px;margin-left:14px;}
@media(min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;font-size:15px;color:var(--t-mid);
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.nav-link:hover{color:var(--t-hi);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--c-brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{display:none;}
@media(min-width:1024px){.nav-search{display:block;}}
.nav-search input{
  width:190px;height:40px;border-radius:999px;padding:0 16px;font-size:14px;
  color:var(--t-hi);border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),width 220ms var(--ease);
}
.nav-search input::placeholder{color:var(--t-low);}
.nav-search input:focus{
  outline:none;border-color:var(--c-brand);width:220px;
  box-shadow:0 0 0 3px rgba(47,227,155,.16);
}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--t-hi);
  background:rgba(255,255,255,.04);
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.nav-toggle:hover{border-color:var(--c-brand);background:rgba(47,227,155,.1);}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;
  transition:transform 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--c-brand);color:#06140E;
  box-shadow:0 0 0 1px rgba(47,227,155,.3),0 14px 30px -16px rgba(47,227,155,.75);
}
.btn-primary:hover{background:#4df0ae;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,155,.55),0 20px 36px -16px rgba(47,227,155,.85);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid rgba(255,255,255,.16);color:var(--t-hi);}
.btn-ghost:hover{border-color:var(--c-brand);background:rgba(47,227,155,.08);transform:translateY(-2px);}
.btn-dark{background:#08130E;color:var(--c-brand);}
.btn-dark:hover{transform:translateY(-2px);background:#0d1c14;}
.btn-outline-dark{border:1px solid rgba(8,19,14,.45);color:#08130E;}
.btn-outline-dark:hover{background:rgba(8,19,14,.12);transform:translateY(-2px);}
.btn[disabled]{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-brand);font-weight:600;
  transition:color 220ms var(--ease);
}
.link-more i{display:inline-block;transition:transform 220ms var(--ease);font-style:normal;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 44px;overflow:hidden;}
@media(max-width:1023px){.hero{min-height:76vh;padding:104px 0 36px;}}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,8,23,.74) 0%,rgba(11,8,23,.78) 34%,rgba(11,8,23,.95) 80%,var(--c-bg) 100%);
}
.hero-texture{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.7) 0 1px,transparent 1px 4px);
}
.hero-inner{position:relative;z-index:2;display:grid;gap:40px;align-items:center;}
@media(min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;}}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--c-brand);
  border:1px solid rgba(47,227,155,.35);background:rgba(47,227,155,.08);
}
.hero-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 10px var(--c-brand);}
.hero h1{
  margin:20px 0 0;font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.14;
  letter-spacing:-.01em;color:var(--t-hi);
  text-shadow:0 2px 24px rgba(0,0,0,.5);
}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.75;color:var(--t-mid);max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:30px;font-size:13px;color:var(--t-low);}
.hero-meta div{display:flex;flex-direction:column;gap:2px;}
.hero-meta b{font-size:18px;font-weight:700;color:var(--t-hi);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.hero-meta b em{font-style:normal;font-size:12px;color:var(--c-brand);margin-left:4px;}

.hero-posters{position:relative;height:330px;display:none;}
@media(min-width:1024px){.hero-posters{display:block;}}
.poster-float{
  position:absolute;width:186px;aspect-ratio:3/4;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 50px -22px rgba(0,0,0,.9);
  background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));
}
.poster-float img{width:100%;height:100%;object-fit:cover;}
.poster-float .pf-tag{
  position:absolute;left:10px;bottom:10px;padding:3px 9px;border-radius:999px;
  font-size:11px;font-weight:700;background:rgba(11,8,23,.78);color:var(--t-hi);
  border:1px solid var(--c-line);
}
.pf-1{left:6%;top:26px;transform:rotate(-2deg);z-index:3;}
.pf-2{left:34%;top:0;transform:rotate(1.6deg);z-index:2;width:200px;}
.pf-3{left:62%;top:44px;transform:rotate(-1.2deg);z-index:1;}

.hero-chips{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:52px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  font-size:14px;color:var(--t-mid);border:1px solid var(--c-line);
  background:rgba(20,16,42,.62);backdrop-filter:blur(6px);
  transition:color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),background 220ms var(--ease);
}
.chip:hover{color:var(--c-brand);border-color:rgba(47,227,155,.55);transform:translateY(-2px);background:rgba(47,227,155,.08);}
.chip i{font-style:normal;font-size:12px;color:var(--t-low);}
.chip.accent:hover{color:var(--c-accent);border-color:rgba(255,94,122,.55);background:rgba(255,94,122,.1);}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(20,16,42,.55),rgba(11,8,23,0));}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.section-title{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:700;color:var(--t-hi);}
@media(min-width:1024px){.section-title{font-size:26px;}}
.section-title::before{content:"";width:4px;height:22px;border-radius:3px;background:var(--c-brand);box-shadow:0 0 14px rgba(47,227,155,.7);}
.section-title.accent::before{background:var(--c-accent);box-shadow:0 0 14px rgba(255,94,122,.7);}
.section-desc{margin-top:10px;font-size:14px;color:var(--t-low);max-width:720px;}

/* ---------- Shelf (horizontal scroll) ---------- */
.shelf-wrap{position:relative;}
.shelf{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 16px;-ms-overflow-style:none;scrollbar-width:none;
}
.shelf::-webkit-scrollbar{display:none;}
.poster-card{flex:0 0 168px;scroll-snap-align:start;}
@media(min-width:640px){.poster-card{flex-basis:190px;}}
@media(min-width:1280px){.poster-card{flex-basis:220px;}}
.poster-media{
  position:relative;aspect-ratio:3/4;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));
  border:1px solid var(--c-line);
  transition:border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.poster-card:hover .poster-media{transform:translateY(-4px);border-color:rgba(47,227,155,.32);box-shadow:var(--shadow-card);}
.poster-card:hover .poster-media img{transform:scale(1.04);}
.poster-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:40px 14px 14px;
  background:linear-gradient(180deg,transparent,rgba(11,8,23,.94));
}
.poster-title{font-size:16px;font-weight:600;color:var(--t-hi);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.poster-tags{display:flex;align-items:center;gap:8px;margin-top:8px;opacity:0;transform:translateY(6px);transition:opacity 220ms var(--ease),transform 220ms var(--ease);}
.poster-card:hover .poster-tags{opacity:1;transform:none;}
.poster-tags span{font-size:12px;color:var(--c-brand);}
.shelf-arrow{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;display:none;place-items:center;
  background:rgba(20,16,42,.9);border:1px solid var(--c-line);color:var(--t-hi);
  transition:border-color 220ms var(--ease),background 220ms var(--ease);z-index:5;
}
@media(min-width:1024px){.shelf-arrow{display:grid;}}
.shelf-arrow:hover{border-color:var(--c-brand);background:rgba(47,227,155,.14);}
.shelf-arrow.prev{left:-14px;}
.shelf-arrow.next{right:-14px;}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;}
.badge-hot{background:var(--c-accent);color:#2A0510;}
.badge-new{border:1px solid var(--c-brand);color:var(--c-brand);background:rgba(47,227,155,.08);}
.badge-gold{color:var(--c-gold);font-variant-numeric:tabular-nums;}
.badge-soft{background:rgba(255,255,255,.06);border:1px solid var(--c-line);color:var(--t-mid);}

/* ---------- Hot recommendation ---------- */
.hot-grid{display:grid;gap:20px;}
@media(min-width:1024px){.hot-grid{grid-template-columns:5fr 7fr;}}
.hot-feature{
  position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:400px;
  border:1px solid var(--c-line);background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));
  display:flex;align-items:flex-end;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.hot-feature:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);box-shadow:var(--shadow-card);}
.hot-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hot-feature-body{position:relative;z-index:2;padding:28px;width:100%;background:linear-gradient(180deg,transparent,rgba(11,8,23,.95));}
.hot-feature-body h3{margin-top:12px;font-size:24px;font-weight:700;color:var(--t-hi);}
.hot-feature-body p{margin-top:10px;font-size:14px;color:var(--t-mid);max-width:480px;}
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{
  display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.rank-item:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);background:var(--c-surface-2);}
.rank-no{
  min-width:34px;text-align:center;font-size:26px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;color:transparent;-webkit-text-stroke:1px var(--t-low);
}
.rank-no.top1{-webkit-text-stroke:1px var(--c-accent);}
.rank-no.top2{-webkit-text-stroke:1px var(--c-gold);}
.rank-thumb{width:72px;height:72px;border-radius:var(--r-sm);overflow:hidden;flex:none;background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{display:flex;flex-direction:column;gap:6px;min-width:0;}
.rank-body h4{font-size:16px;font-weight:600;color:var(--t-hi);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-body p{font-size:13px;color:var(--t-low);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}

/* ---------- Course/list sections ---------- */
.split-grid{display:grid;gap:24px;}
@media(min-width:1024px){.split-grid{grid-template-columns:6fr 6fr;}}
.feature-wide{
  position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--c-line);
  min-height:300px;display:flex;align-items:flex-end;
  background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.feature-wide:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);}
.feature-wide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-wide-body{position:relative;z-index:2;padding:26px;width:100%;background:linear-gradient(180deg,transparent,rgba(11,8,23,.94));}
.feature-wide-body h3{margin-top:10px;font-size:21px;font-weight:700;color:var(--t-hi);}
.feature-wide-body p{margin-top:8px;font-size:14px;color:var(--t-mid);}
.compact-list{display:flex;flex-direction:column;gap:12px;}
.compact-item{
  display:flex;gap:14px;align-items:center;padding:12px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.compact-item:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);}
.compact-item img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:none;}
.compact-item h4{font-size:15px;font-weight:600;color:var(--t-hi);}
.compact-item p{font-size:13px;color:var(--t-low);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.paste-top{display:grid;gap:20px;}
@media(min-width:1024px){.paste-top{grid-template-columns:8fr 4fr;}}
.small-grid{display:grid;gap:20px;margin-top:20px;}
@media(min-width:640px){.small-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.small-grid{grid-template-columns:repeat(4,1fr);}}
.mini-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:18px;display:flex;flex-direction:column;gap:10px;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);}
.mini-card h4{font-size:16px;font-weight:600;color:var(--t-hi);}
.mini-card p{font-size:13px;color:var(--t-low);line-height:1.7;}
.mini-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,227,155,.12);color:var(--c-brand);font-size:18px;font-weight:700;
}

/* ---------- Cards / news ---------- */
.card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);box-shadow:var(--shadow-card);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-badge{position:absolute;left:12px;top:12px;z-index:2;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;color:var(--t-hi);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 220ms var(--ease);}
.card:hover .card-body h3{color:var(--c-brand);}
.card-body p{font-size:14px;color:var(--t-mid);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--t-low);font-variant-numeric:tabular-nums;}
.news-grid{display:grid;gap:20px;}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.empty-state{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:60px 24px;border-radius:var(--r-lg);border:1px dashed var(--c-line);
  background:rgba(20,16,42,.5);text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(47,227,155,.12);color:var(--c-brand);font-size:24px;
}
.empty-state p{font-size:15px;color:var(--t-mid);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:38px 32px;
  background:linear-gradient(135deg,var(--c-brand) 0%,#5ef0c0 42%,var(--c-accent) 100%);
  color:#08130E;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,#000 0 2px,transparent 2px 9px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:24px;}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-inner h2{font-size:24px;font-weight:800;letter-spacing:-.01em;}
@media(min-width:1024px){.cta-inner h2{font-size:30px;}}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(8,19,14,.78);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);margin-top:8px;}
.faq-item{border-bottom:1px solid var(--c-line);transition:background 220ms var(--ease);}
.faq-item.is-open{background:rgba(255,255,255,.025);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--t-hi);
  transition:color 220ms var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:transparent;transition:background 220ms var(--ease);
}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .faq-q::before{background:var(--c-brand);}
.faq-q:hover{color:var(--c-brand);}
.faq-sign{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--c-line);font-size:15px;line-height:1;color:var(--t-mid);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);border-color:var(--c-brand);color:var(--c-brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-item.is-open .faq-a{max-height:400px;}
.faq-a p{padding:0 44px 22px 16px;font-size:15px;line-height:1.85;color:var(--t-mid);}

/* ---------- Footer ---------- */
.site-footer{background:#080612;border-top:1px solid var(--c-line);padding-top:64px;margin-top:20px;}
.footer-grid{display:grid;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--t-low);line-height:1.8;max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:var(--t-hi);margin-bottom:16px;}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:var(--t-mid);transition:color 220ms var(--ease),transform 220ms var(--ease);}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px);}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;}
.subscribe input{
  flex:1 1 180px;height:44px;border-radius:12px;padding:0 14px;font-size:14px;
  color:var(--t-hi);background:rgba(255,255,255,.05);border:1px solid var(--c-line);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.subscribe input::placeholder{color:var(--t-low);}
.subscribe input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,155,.14);}
.subscribe input.is-error{border-color:var(--c-accent);}
.form-note{margin-top:10px;font-size:13px;color:var(--t-low);min-height:18px;}
.form-note.ok{color:var(--c-brand);}
.form-note.error{color:var(--c-accent);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t-low);
}
.footer-bottom a{color:var(--t-low);transition:color 220ms var(--ease);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ---------- Drawer / to top ---------- */
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:opacity 260ms var(--ease);}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(330px,86vw);
  padding:24px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;
  background:rgba(16,12,34,.96);backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--c-line);
  transform:translateX(102%);transition:transform 260ms var(--ease);
}
.drawer.show{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--t-hi);font-size:20px;
}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand);}
.drawer a.drawer-link{padding:14px 12px;border-radius:12px;font-size:15px;color:var(--t-mid);border:1px solid transparent;transition:all 220ms var(--ease);}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{color:var(--c-brand);border-color:rgba(47,227,155,.3);background:rgba(47,227,155,.08);}
.drawer .subscribe{margin-top:6px;}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:50;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;color:var(--t-hi);
  background:rgba(20,16,42,.92);border:1px solid var(--c-line);
  opacity:0;pointer-events:none;transition:opacity 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-3px);}

/* roulang page: article */
:root{
  --c-brand:#2FE39B;
  --c-accent:#FF5E7A;
  --c-gold:#FFC857;
  --c-bg:#0B0817;
  --c-surface:#14102A;
  --c-surface-2:#1C1636;
  --c-line:rgba(255,255,255,.09);
  --c-line-strong:rgba(255,255,255,.16);
  --t-hi:#F4F2FF;
  --t-mid:#B6AFD4;
  --t-low:#7A7397;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 0 0 1px rgba(47,227,155,.10), 0 16px 40px -16px rgba(0,0,0,.65);
  --shadow-hover:0 0 0 1px rgba(47,227,155,.30), 0 22px 48px -18px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-mid);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--t-hi);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 40px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(11,8,23,.35);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px -20px rgba(0,0,0,.9);
  transition:background var(--dur) var(--ease),height var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(11,8,23,.88);border-bottom-color:var(--c-line);}
.nav-wrap{
  max-width:1240px;margin:0 auto;padding:0 20px;height:72px;
  display:flex;align-items:center;gap:20px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px;}
@media(min-width:768px){.nav-wrap{padding:0 32px;}}
@media(min-width:1280px){.nav-wrap{padding:0 40px;}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-brand),#1aa876);
  box-shadow:0 0 22px -6px rgba(47,227,155,.55);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:0;height:0;border-left:12px solid #06140E;border-top:8px solid transparent;border-bottom:8px solid transparent;
  margin-left:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:var(--t-hi);font-size:17px;letter-spacing:.02em;}
.brand-text small{color:var(--t-low);font-size:11px;letter-spacing:.16em;}
.main-nav{display:none;align-items:center;gap:6px;margin-left:14px;}
@media(min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--t-mid);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--t-hi);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{display:none;}
@media(min-width:1024px){
  .nav-search{display:block;}
  .nav-search input{
    width:210px;height:40px;padding:0 16px;border-radius:999px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--c-line-strong);
    color:var(--t-hi);font-size:14px;outline:none;
    transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),width var(--dur) var(--ease);
  }
  .nav-search input::placeholder{color:var(--t-low);}
  .nav-search input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(47,227,155,.14);}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-brand);color:#06140E;box-shadow:0 0 0 1px rgba(47,227,155,.3),0 12px 26px -14px rgba(47,227,155,.8);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,155,.45),0 18px 34px -14px rgba(47,227,155,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--t-hi);border:1px solid var(--c-line-strong);}
.btn-ghost:hover{border-color:var(--c-brand);background:rgba(47,227,155,.08);transform:translateY(-2px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-size:14px;font-weight:600;}
.btn-text .arrow{transition:transform var(--dur) var(--ease);display:inline-block;}
.btn-text:hover .arrow{transform:translateX(4px);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line-strong);
  display:flex;align-items:center;justify-content:center;
}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-hi);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-hi);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:70;opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:80;
  background:rgba(20,16,42,.94);backdrop-filter:blur(18px);
  border-left:1px solid var(--c-line);
  transform:translateX(102%);transition:transform var(--dur) var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer .drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--t-mid);font-size:15px;}
.drawer .drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--t-hi);}
.drawer .drawer-nav a.is-active{color:var(--c-brand);background:rgba(47,227,155,.08);}
.drawer-search input{
  width:100%;height:44px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--c-line-strong);color:var(--t-hi);outline:none;
}
.drawer-search input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(47,227,155,.14);}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line-strong);color:var(--t-hi);font-size:18px;}

/* ---------- Hero ---------- */
.article-hero{
  position:relative;padding:130px 0 44px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(11,8,23,.72) 0%,rgba(11,8,23,.88) 55%,var(--c-bg) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.9) 0 1px,transparent 1px 4px);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-low);position:relative;z-index:2;}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--t-mid);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  margin-top:18px;font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.22;
  position:relative;z-index:2;max-width:900px;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--t-low);position:relative;z-index:2;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.chip-cat{background:rgba(47,227,155,.12);color:var(--c-brand);border:1px solid rgba(47,227,155,.32);}
.chip-hot{background:var(--c-accent);color:#2A0710;}
.chip-ghost{border:1px solid var(--c-line-strong);color:var(--t-low);}
.cover-frame{
  margin-top:30px;border-radius:var(--r-lg);overflow:hidden;position:relative;z-index:2;
  aspect-ratio:16/9;background:linear-gradient(135deg,var(--c-surface-2),var(--c-surface));
  box-shadow:var(--shadow-card);
}
.cover-frame img{width:100%;height:100%;object-fit:cover;}
@media(min-width:1024px){.cover-frame{aspect-ratio:21/9;}}

/* ---------- 布局 ---------- */
.layout{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding:52px 0 0;
}
@media(min-width:1024px){
  .layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px;padding-top:64px;}
}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;
}
@media(min-width:768px){.panel{padding:32px;}}
.panel-title{font-size:18px;margin-bottom:16px;}

/* ---------- 正文排版 ---------- */
.article-body{
  font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--t-mid);
  max-width:800px;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  margin:40px 0 18px;font-size:26px;line-height:1.4;padding-left:14px;
  border-left:3px solid var(--c-brand);
}
.article-body h3{margin:28px 0 14px;font-size:20px;font-weight:600;}
.article-body h4{margin:22px 0 12px;font-size:17px;color:var(--t-hi);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body blockquote{
  margin:0 0 1.2em;padding:16px 20px;border-left:4px solid var(--c-accent);
  background:rgba(255,94,122,.08);border-radius:0 14px 14px 0;color:var(--t-mid);
}
.article-body img{border-radius:16px;margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--t-low);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-brand);border-bottom:1px dashed rgba(47,227,155,.5);}
.article-body a:hover{color:#6ff0bd;}
.article-body .table-wrap{overflow-x:auto;margin:0 0 1.4em;border-radius:14px;border:1px solid var(--c-line);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--c-surface-2);color:var(--t-hi);font-weight:600;}
.article-body code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:14px;color:#8ff2c6;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--c-line-strong);border-radius:var(--r-md);
  background:var(--c-surface-2);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;
  background:linear-gradient(135deg,rgba(47,227,155,.22),rgba(28,22,54,.9));
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:22px;
}

/* ---------- 标签 / 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--t-mid);border:1px solid var(--c-line-strong);background:rgba(255,255,255,.03);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.end-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;padding-top:26px;border-top:1px solid var(--c-line);}

.postnav{display:grid;gap:16px;margin-top:48px;}
@media(min-width:768px){.postnav{grid-template-columns:1fr 1fr;}}
.postnav a{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.postnav a:hover{border-color:rgba(47,227,155,.3);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.postnav span{display:block;font-size:12px;color:var(--t-low);margin-bottom:8px;letter-spacing:.08em;}
.postnav strong{display:block;color:var(--t-hi);font-size:16px;font-weight:600;line-height:1.5;}
.postnav a:hover strong{color:var(--c-brand);}

/* ---------- 相关推荐卡 ---------- */
.related-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.content-card{
  display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.content-card:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);box-shadow:var(--shadow-hover);}
.thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(47,227,155,.22),var(--c-surface-2));}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease);}
.content-card:hover .thumb img{transform:scale(1.04);}
.content-card .card-in{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--t-hi);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-card:hover .card-title{color:var(--c-brand);}
.card-desc{font-size:14px;color:var(--t-mid);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-low);}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;}
.side-toc a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--t-mid);border-left:3px solid transparent;
}
.side-toc a:hover{background:rgba(255,255,255,.05);color:var(--t-hi);}
.side-toc a.is-current{color:var(--c-brand);border-left-color:var(--c-brand);background:rgba(47,227,155,.07);}
.rank-row{
  display:flex;gap:14px;align-items:center;padding:12px;border-radius:14px;
  transition:background var(--dur) var(--ease);
}
.rank-row:hover{background:rgba(255,255,255,.045);}
.rank-no{
  width:26px;flex-shrink:0;text-align:center;font-size:20px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px rgba(255,94,122,.9);font-variant-numeric:tabular-nums;
}
.rank-row:nth-child(1) .rank-no{-webkit-text-stroke:1px var(--c-gold);}
.rank-thumb{width:64px;height:64px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--c-surface-2);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-txt{min-width:0;}
.rank-txt strong{display:block;font-size:14px;color:var(--t-hi);font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-row:hover .rank-txt strong{color:var(--c-brand);}
.rank-txt em{font-style:normal;font-size:12px;color:var(--t-low);}
.cta-side{
  border-radius:var(--r-lg);padding:24px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-brand),var(--c-accent));color:#0A1A12;
}
.cta-side::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 1px,transparent 1px 5px);
}
.cta-side h3{color:#08150E;font-size:19px;margin-bottom:8px;position:relative;z-index:2;}
.cta-side p{font-size:14px;color:rgba(8,21,14,.78);margin-bottom:16px;position:relative;z-index:2;}
.cta-side .btn{position:relative;z-index:2;background:#0B0817;color:#F4F2FF;box-shadow:none;}
.cta-side .btn:hover{transform:translateY(-2px);background:#14102A;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:56px;border-radius:var(--r-lg);padding:34px 28px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-brand),var(--c-accent));
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.9) 0 1px,transparent 1px 4px);
}
.cta-band .band-in{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:22px;
}
@media(min-width:1024px){.cta-band .band-in{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-band h2{color:#08150E;font-size:26px;}
.cta-band p{color:rgba(8,21,14,.8);margin-top:8px;font-size:15px;max-width:560px;}
.band-btns{display:flex;flex-wrap:wrap;gap:12px;}
.band-btns .btn-dark{background:#0B0817;color:#F4F2FF;box-shadow:none;}
.band-btns .btn-dark:hover{transform:translateY(-2px);background:#14102A;}
.band-btns .btn-line{border:1px solid rgba(8,21,14,.4);color:#08150E;}
.band-btns .btn-line:hover{background:rgba(8,21,14,.12);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;background:#080612;border-top:1px solid var(--c-line);
  padding:56px 0 0;color:var(--t-mid);
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--t-low);line-height:1.75;max-width:320px;}
.footer-title{font-size:15px;color:var(--t-hi);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--t-mid);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px);}
.subscribe{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;height:44px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-strong);
  color:var(--t-hi);outline:none;font-size:14px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.subscribe input::placeholder{color:var(--t-low);}
.subscribe input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(47,227,155,.14);}
.subscribe input.is-error{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(255,94,122,.16);}
.form-note{margin-top:10px;font-size:13px;color:var(--t-low);}
.form-note.is-ok{color:var(--c-brand);}
.form-note.is-err{color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--c-line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t-low);
}
.footer-bottom a{color:var(--t-mid);}
.footer-bottom a:hover{color:var(--c-brand);}
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:50;width:46px;height:46px;border-radius:14px;
  background:var(--c-surface-2);border:1px solid var(--c-line-strong);color:var(--t-hi);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-3px);}
.section-gap{margin-top:56px;}
@media(min-width:1024px){.section-gap{margin-top:72px;}}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --c-brand:#2FE39B;
  --c-accent:#FF5E7A;
  --c-gold:#FFC857;
  --c-bg:#0B0817;
  --c-surface:#14102A;
  --c-surface-2:#1C1636;
  --c-line:rgba(255,255,255,.09);
  --t-hi:#F4F2FF;
  --t-mid:#B6AFD4;
  --t-low:#7A7397;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 0 0 1px rgba(47,227,155,.14),0 16px 40px -16px rgba(0,0,0,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;
  line-height:1.65;
  color:var(--t-hi);
  background-color:var(--c-bg);
  background-image:radial-gradient(60% 40% at 85% 0%,rgba(255,94,122,.10),transparent 60%),radial-gradient(50% 40% at 5% 8%,rgba(47,227,155,.10),transparent 62%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.site-body a{color:inherit}
img{max-width:100%;display:block}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,227,155,.6);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(11,8,23,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(11,8,23,.9);box-shadow:0 14px 34px -20px rgba(0,0,0,.95)}
.nav-wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;gap:18px;transition:height .22s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
@media(min-width:768px){.nav-wrap{padding:0 32px}}
@media(min-width:1280px){.nav-wrap{padding:0 40px}}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--t-hi);text-shadow:0 1px 8px rgba(0,0,0,.35)}
.brand-mark{position:relative;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--c-brand),#12b57a);box-shadow:0 0 18px rgba(47,227,155,.35);flex:0 0 30px}
.brand-mark::after{content:"";position:absolute;left:10px;top:8px;width:0;height:0;border-left:11px solid #06140E;border-top:7px solid transparent;border-bottom:7px solid transparent}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--t-low);letter-spacing:.04em}
.main-nav{display:none}
@media(min-width:1024px){.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;font-size:14px;color:var(--t-mid);text-decoration:none;border-radius:10px;transition:color .22s var(--ease),background .22s var(--ease)}
.nav-link:hover{color:var(--t-hi);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--c-brand)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{display:none}
@media(min-width:1024px){.nav-search{display:block}}
.nav-search input{width:190px;height:40px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:var(--t-hi);font-size:14px;outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease)}
.nav-search input::placeholder{color:var(--t-low)}
.nav-search input:hover{border-color:rgba(255,255,255,.24)}
.nav-search input:focus{border-color:var(--c-brand);background:rgba(47,227,155,.06);box-shadow:0 0 0 3px rgba(47,227,155,.16)}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);cursor:pointer;transition:border-color .22s var(--ease),background .22s var(--ease)}
.nav-toggle:hover{border-color:var(--c-brand);background:rgba(47,227,155,.08)}
.nav-toggle span{position:relative;width:18px;height:2px;border-radius:2px;background:var(--t-hi);display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--t-hi)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(min-width:1024px){.nav-toggle{display:none}}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease)}
.drawer{position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(86vw,340px);padding:24px 22px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;background:rgba(16,12,32,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-left:1px solid var(--c-line);transform:translateX(100%);transition:transform .26s var(--ease)}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-title{font-size:13px;color:var(--t-low);letter-spacing:.08em}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;font-size:15px;color:var(--t-mid);text-decoration:none;border:1px solid transparent;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease)}
.drawer-nav a:hover{color:var(--t-hi);background:rgba(255,255,255,.05)}
.drawer-nav a.is-active{color:var(--c-brand);border-color:rgba(47,227,155,.35);background:rgba(47,227,155,.07)}
.drawer-search input{width:100%;height:44px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:var(--t-hi);font-size:14px;outline:none}
.drawer-search input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,155,.16)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-brand);color:#06140E;box-shadow:0 0 0 1px rgba(47,227,155,.25),0 12px 26px -14px rgba(47,227,155,.7)}
.btn-primary:hover{background:#43f0a8;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,155,.5),0 18px 32px -14px rgba(47,227,155,.8)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.16);color:var(--t-hi)}
.btn-ghost:hover{border-color:var(--c-brand);background:rgba(47,227,155,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-dark{background:#0B0817;color:var(--t-hi)}
.btn-dark:hover{background:#161029;transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(0,0,0,.9)}
.btn-outline-dark{background:transparent;border-color:rgba(11,8,23,.35);color:#0B0817}
.btn-outline-dark:hover{background:rgba(11,8,23,.10);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge-hot{background:var(--c-accent);color:#3B0611}
.badge-new{border:1px solid rgba(47,227,155,.6);color:var(--c-brand);background:rgba(47,227,155,.07)}
.badge-score{color:var(--c-gold);border:1px solid rgba(255,200,87,.35);background:rgba(255,200,87,.07);font-variant-numeric:tabular-nums}
.badge-plain{border:1px solid var(--c-line);color:var(--t-mid);background:rgba(255,255,255,.03)}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease)}
.text-link span{transition:transform .22s var(--ease)}
.text-link:hover{color:#5cf0b4}
.text-link:hover span{transform:translateX(4px)}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;display:flex;align-items:flex-end;min-height:260px;padding:110px 0 44px;background-image:linear-gradient(180deg,rgba(11,8,23,.62) 0%,rgba(11,8,23,.86) 58%,var(--c-bg) 100%),url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center}
@media(min-width:768px){.cat-hero{min-height:340px;padding:130px 0 56px}}
@media(min-width:1280px){.cat-hero{min-height:380px}}
.cat-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(66% 90% at 14% 28%,rgba(47,227,155,.28),transparent 62%)}
.cat-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;background-image:repeating-linear-gradient(180deg,rgba(255,255,255,.9) 0 1px,transparent 1px 4px)}
.cat-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-low)}
.crumb a{color:var(--t-mid);text-decoration:none;transition:color .22s var(--ease)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:rgba(255,255,255,.24)}
.hero-title{margin:14px 0 0;font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.01em;text-shadow:0 2px 18px rgba(0,0,0,.5)}
.hero-rule{width:64px;height:3px;border-radius:3px;background:var(--c-brand);margin:16px 0 0}
.hero-desc{max-width:680px;margin:14px 0 0;font-size:15px;line-height:1.75;color:var(--t-mid)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:24px}
.stat-item{display:flex;flex-direction:column;gap:2px}
.stat-num{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--t-hi)}
.stat-label{font-size:12px;color:var(--t-low)}

/* ============ 板块 ============ */
.section{padding:72px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px}
.section-title{margin:0;display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;letter-spacing:-.005em}
@media(min-width:768px){.section-title{font-size:26px}}
.section-title::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--c-brand);flex:0 0 4px}
.section-sub{margin:10px 0 0;font-size:14px;color:var(--t-low)}

/* 筛选条 */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 0 12px;scrollbar-width:none;-ms-overflow-style:none}
.filter-bar::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;height:38px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);color:var(--t-mid);font-size:14px;cursor:pointer;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
.chip:hover{color:var(--t-hi);border-color:rgba(47,227,155,.42);transform:translateY(-1px)}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#06140E;font-weight:600}

/* 卡片网格 */
.card-grid-4{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.card-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid-4{grid-template-columns:repeat(4,1fr)}}
.app-card{display:flex;flex-direction:column;overflow:hidden;border-radius:18px;background:var(--c-surface);border:1px solid var(--c-line);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.app-card:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.32);box-shadow:var(--shadow)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#1F3A2E,#14102A)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.app-card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.card-title{margin:0;font-size:17px;font-weight:600;line-height:1.42;transition:color .22s var(--ease)}
.app-card:hover .card-title{color:var(--c-brand)}
.card-text{margin:0;font-size:14px;line-height:1.68;color:var(--t-mid)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid var(--c-line);font-size:13px;color:var(--t-low);font-variant-numeric:tabular-nums}

/* 左大图 + 右列表 */
.feature-split{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:1024px){.feature-split{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.feature-main{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--c-line);background:var(--c-surface);min-height:280px;display:flex;align-items:flex-end}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.feature-main:hover img{transform:scale(1.03)}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,8,23,.15) 0%,rgba(11,8,23,.88) 78%)}
.feature-inner{position:relative;z-index:1;padding:24px}
@media(min-width:768px){.feature-inner{padding:30px}}
.feature-inner h3{margin:12px 0 0;font-size:22px;font-weight:700;line-height:1.32}
.feature-inner p{margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--t-mid);max-width:520px}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{display:flex;align-items:center;gap:14px;padding:14px;border-radius:var(--radius);background:var(--c-surface);border:1px solid var(--c-line);transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
.rank-item:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.3);background:var(--c-surface-2)}
.rank-no{flex:0 0 34px;text-align:center;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35)}
.rank-item:nth-child(1) .rank-no{-webkit-text-stroke-color:var(--c-accent)}
.rank-item:nth-child(2) .rank-no{-webkit-text-stroke-color:var(--c-gold)}
.rank-thumb{flex:0 0 76px;width:76px;height:76px;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#1F3A2E,#14102A)}
@media(min-width:1024px){.rank-thumb{flex:0 0 88px;width:88px;height:88px}}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-info{min-width:0;display:flex;flex-direction:column;gap:6px}
.rank-info h4{margin:0;font-size:16px;font-weight:600;line-height:1.4}
.rank-info p{margin:0;font-size:13px;line-height:1.6;color:var(--t-mid);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--t-low)}

/* 流程 */
.flow-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.flow-grid{grid-template-columns:repeat(3,1fr)}}
.flow-card{position:relative;padding:26px 22px;border-radius:18px;border:1px solid var(--c-line);background:linear-gradient(180deg,var(--c-surface-2),var(--c-surface));transition:transform .22s var(--ease),border-color .22s var(--ease)}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(47,227,155,.32)}
.flow-no{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:rgba(47,227,155,.12);border:1px solid rgba(47,227,155,.38);color:var(--c-brand);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.flow-card h3{margin:16px 0 0;font-size:18px;font-weight:600}
.flow-card p{margin:10px 0 0;font-size:14px;line-height:1.72;color:var(--t-mid)}

/* 互链胶囊 */
.pill-links{display:flex;flex-wrap:wrap;gap:12px}
.pill-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.03);color:var(--t-mid);font-size:14px;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease)}
.pill-link:hover{color:var(--t-hi);border-color:var(--c-brand);background:rgba(47,227,155,.08);transform:translateY(-2px)}

/* FAQ */
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 14px;background:none;border:0;color:var(--t-hi);font-size:16px;font-weight:600;line-height:1.5;text-align:left;cursor:pointer;transition:background .22s var(--ease)}
.faq-q:hover{background:rgba(255,255,255,.03)}
.faq-item.is-open .faq-q{background:rgba(47,227,155,.06)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--c-brand)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;color:var(--c-brand)}
.faq-icon::before{content:"";position:absolute;left:0;top:8px;width:18px;height:2px;border-radius:2px;background:currentColor}
.faq-icon::after{content:"";position:absolute;left:8px;top:0;width:2px;height:18px;border-radius:2px;background:currentColor;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{margin:0;padding:0 14px 20px;font-size:15px;line-height:1.82;color:var(--t-mid)}

/* CTA 横幅 */
.cta-banner{position:relative;overflow:hidden;border-radius:24px;padding:34px 24px;background-image:linear-gradient(135deg,var(--c-brand),var(--c-accent));color:#0B0817}
@media(min-width:768px){.cta-banner{padding:44px 40px}}
.cta-banner::after{content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 5px)}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:32px}}
.cta-title{margin:0;font-size:24px;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:#0B0817}
@media(min-width:768px){.cta-title{font-size:28px}}
.cta-text{margin:10px 0 0;font-size:15px;line-height:1.7;color:rgba(9,20,15,.8);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:#080612;border-top:1px solid var(--c-line);padding:56px 0 26px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-title{margin:0 0 14px;font-size:14px;font-weight:600;color:var(--t-hi)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{width:-webkit-fit-content;width:fit-content;font-size:14px;color:var(--t-mid);text-decoration:none;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.75;color:var(--t-mid);max-width:330px}
.subscribe{display:flex;gap:8px;margin-top:14px}
@media(max-width:520px){.subscribe{flex-direction:column}}
.subscribe input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:var(--t-hi);font-size:14px;outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.subscribe input::placeholder{color:var(--t-low)}
.subscribe input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,155,.16)}
.subscribe input.is-error{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,94,122,.16)}
.form-note{margin:10px 0 0;font-size:13px;color:var(--t-low);line-height:1.6}
.form-note.is-error{color:var(--c-accent)}
.form-note.is-ok{color:var(--c-brand)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line);font-size:13px;color:var(--t-low)}
.footer-bottom a{color:var(--t-mid);text-decoration:none;transition:color .22s var(--ease)}
.footer-bottom a:hover{color:var(--c-brand)}

/* roulang page: category2 */
:root{
  --c-brand:#2FE39B;
  --c-accent:#FF5E7A;
  --c-gold:#FFC857;
  --c-bg:#0B0817;
  --c-surface:#14102A;
  --c-surface-2:#1C1636;
  --c-line:rgba(255,255,255,.09);
  --t-hi:#F4F2FF;
  --t-mid:#B6AFD4;
  --t-low:#7A7397;
  --c-spot:#FF5E7A;
  --grad-cta:linear-gradient(135deg,#FF5E7A 0%,#FFC857 100%);
  --r-lg:22px;
  --r-md:17px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 0 0 1px rgba(255,94,122,.14),0 16px 40px -16px rgba(0,0,0,.65);
  --shadow-hover:0 0 0 1px rgba(255,94,122,.34),0 22px 48px -18px rgba(0,0,0,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-hi);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 40px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(11,8,23,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
  transition:background var(--dur) var(--ease),height var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(11,8,23,.9);border-bottom-color:var(--c-line);}
.nav-wrap{
  max-width:1240px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:18px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px;}
@media(min-width:768px){.nav-wrap{padding:0 32px;}}
@media(min-width:1280px){.nav-wrap{padding:0 40px;}}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,rgba(255,94,122,.95),rgba(47,227,155,.85));
  box-shadow:0 0 0 1px rgba(255,94,122,.35),0 0 18px -4px rgba(255,94,122,.6);
}
.brand-mark::before{
  content:"";position:absolute;left:9px;top:8px;width:16px;height:16px;
  border:2px solid #0B0817;border-radius:4px 4px 4px 50%;
  border-bottom-color:transparent;
}
.brand-mark::after{
  content:"";position:absolute;left:14px;top:13px;width:7px;height:7px;border-radius:50%;
  background:#0B0817;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.02em;}
.brand-text small{font-size:11px;color:var(--t-low);letter-spacing:.08em;}
.main-nav{display:none;align-items:center;gap:4px;margin-left:10px;}
.nav-link{
  padding:9px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--t-mid);
  position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--t-hi);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--c-spot);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-spot);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-search{display:none;}
.nav-search input{
  width:190px;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  padding:0 16px;font-size:13px;color:var(--t-hi);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-search input::placeholder{color:var(--t-low);}
.nav-search input:focus{
  outline:none;border-color:var(--c-spot);background:rgba(255,94,122,.08);
  box-shadow:0 0 0 3px rgba(255,94,122,.18);
}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:17px;height:2px;border-radius:2px;background:var(--t-hi);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
@media(min-width:900px){
  .main-nav{display:flex;}
  .nav-search{display:block;}
  .nav-toggle{display:none;}
}
@media(max-width:899px){.nav-actions .btn-primary{display:none;}}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:130;opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:140;
  background:rgba(20,16,42,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid var(--c-line);
  transform:translateX(102%);transition:transform var(--dur) var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .brand{margin-bottom:6px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:12px 12px;border-radius:var(--r-sm);color:var(--t-mid);font-size:15px;border:1px solid transparent;}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--t-hi);}
.drawer-links a.is-active{color:var(--c-spot);border-color:rgba(255,94,122,.4);background:rgba(255,94,122,.08);font-weight:600;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);padding:0 16px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--c-spot);box-shadow:0 0 0 3px rgba(255,94,122,.18);}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.14);font-size:18px;color:var(--t-mid);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;font-size:14px;font-weight:600;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:13px;}
.btn-primary{background:var(--c-spot);color:#140812;box-shadow:0 10px 26px -14px rgba(255,94,122,.85);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,94,122,.5),0 16px 34px -14px rgba(255,94,122,.8);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--t-hi);}
.btn-ghost:hover{border-color:var(--c-spot);background:rgba(255,94,122,.09);transform:translateY(-2px);}
.btn-text{height:auto;padding:6px 2px;color:var(--c-spot);font-weight:600;gap:6px;}
.btn-text .arw{transition:transform var(--dur) var(--ease);}
.btn-text:hover .arw{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;
  min-height:300px;
  display:flex;align-items:flex-end;
  padding:120px 0 46px;
  background:#0B0817 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,23,.72) 0%,rgba(11,8,23,.88) 55%,var(--c-bg) 100%),
             linear-gradient(115deg,rgba(255,94,122,.42) 0%,rgba(255,94,122,.06) 48%,rgba(11,8,23,.2) 100%);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.6) 0 1px,transparent 1px 5px);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-low);margin-bottom:16px;}
.crumbs a:hover{color:var(--c-spot);}
.crumbs span.sep{color:rgba(255,255,255,.24);}
.crumbs .now{color:var(--t-mid);}
.hero-cat h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.01em;line-height:1.16;
}
.hero-rule{width:64px;height:3px;border-radius:3px;background:var(--c-spot);margin:18px 0 16px;}
.hero-cat p.lead{max-width:720px;color:var(--t-mid);font-size:15px;line-height:1.75;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;}
.stat b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--t-hi);}
.stat span{font-size:12px;color:var(--t-low);letter-spacing:.06em;}
@media(min-width:768px){.hero-cat{padding:150px 0 60px;min-height:360px;}}

/* ============ 筛选条 ============ */
.filter-bar{padding:26px 0 6px;}
.filter-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 10px;scrollbar-width:none;
}
.filter-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);color:var(--t-mid);font-size:13.5px;
  display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.03);
}
.chip:hover{color:var(--t-hi);border-color:rgba(255,94,122,.5);background:rgba(255,94,122,.08);}
.chip.is-active{background:var(--c-spot);border-color:var(--c-spot);color:#140812;font-weight:700;}
.filter-meta{font-size:12.5px;color:var(--t-low);padding-bottom:6px;}

/* ============ 板块 ============ */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:76px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.sec-title{font-size:26px;font-weight:700;position:relative;padding-left:16px;letter-spacing:-.01em;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-spot);}
.sec-desc{font-size:14px;color:var(--t-mid);margin-top:8px;padding-left:16px;max-width:640px;}
@media(max-width:520px){.sec-title{font-size:22px;}}
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;}
.badge-hot{background:var(--c-spot);color:#140812;}
.badge-new{border:1px solid rgba(255,94,122,.6);color:var(--c-spot);}
.badge-soft{background:rgba(255,255,255,.07);color:var(--t-mid);border:1px solid var(--c-line);}
.badge-score{color:var(--c-gold);font-variant-numeric:tabular-nums;font-weight:700;}

/* 卡片网格 */
.grid-4{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);}}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 14px 32px -22px rgba(0,0,0,.8);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,94,122,.36);box-shadow:var(--shadow-hover);}
.thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(255,94,122,.35),var(--c-surface-2));}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease);}
.card:hover .thumb img{transform:scale(1.04);}
.thumb .tag-float{position:absolute;left:12px;top:12px;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title{color:var(--c-spot);}
.card-text{font-size:14px;color:var(--t-mid);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t-low);font-variant-numeric:tabular-nums;}

/* 第二段：左大图 + 右列表 */
.split{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:26px;align-items:start;}}
.feature{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);}
.feature .thumb{aspect-ratio:16/10;border-radius:0;}
.feature .feature-shade{
  position:absolute;left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(180deg,transparent,rgba(8,6,18,.92));
}
.feature h3{font-size:20px;font-weight:700;line-height:1.4;}
.feature p{font-size:14px;color:var(--t-mid);margin-top:8px;line-height:1.7;}
.feature .feature-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px;font-size:12.5px;color:var(--t-low);font-variant-numeric:tabular-nums;}
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.rank-item:hover{transform:translateY(-3px);border-color:rgba(255,94,122,.36);background:var(--c-surface-2);}
.rank-no{
  flex:0 0 34px;font-size:22px;font-weight:800;text-align:center;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.28);
}
.rank-item.top .rank-no{-webkit-text-stroke:1px var(--c-spot);color:var(--c-spot);}
.rank-thumb{flex:0 0 76px;width:76px;height:76px;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,rgba(255,94,122,.4),var(--c-surface-2));}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-main{min-width:0;flex:1;}
.rank-main h4{font-size:15.5px;font-weight:600;line-height:1.4;}
.rank-item:hover .rank-main h4{color:var(--c-spot);}
.rank-main p{font-size:13px;color:var(--t-mid);margin-top:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
@media(max-width:520px){.rank-no{display:none;}}

/* 互链胶囊组 */
.linkpills{display:flex;flex-wrap:wrap;gap:12px;}
.linkpill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.14);color:var(--t-mid);font-size:14px;
  background:rgba(255,255,255,.03);
}
.linkpill:hover{border-color:var(--c-spot);color:var(--t-hi);background:rgba(255,94,122,.08);transform:translateY(-2px);}
.linkpill.is-primary{background:var(--c-spot);border-color:var(--c-spot);color:#140812;font-weight:700;}

/* FAQ */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);transition:background-color var(--dur) var(--ease);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px 20px 14px;text-align:left;font-size:16.5px;font-weight:600;color:var(--t-hi);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--c-spot);opacity:0;transition:opacity var(--dur) var(--ease);
}
.faq-item.is-open{background:rgba(255,94,122,.05);}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-sign{flex:0 0 auto;font-size:20px;color:var(--c-spot);line-height:1;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--dur) var(--ease);}
.faq-a p{padding:0 40px 20px 14px;font-size:15px;line-height:1.8;color:var(--t-mid);}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-cta);padding:34px 26px;color:#170A12;}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(0,0,0,.8) 0 1px,transparent 1px 7px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;}
.cta-band h2{font-size:clamp(21px,3vw,28px);font-weight:800;line-height:1.3;color:#170A12;}
.cta-band p{margin-top:8px;font-size:14.5px;color:rgba(23,10,18,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-primary{background:#160A13;color:#FFE9EE;box-shadow:0 12px 26px -16px rgba(0,0,0,.7);}
.cta-band .btn-primary:hover{box-shadow:0 0 0 1px rgba(0,0,0,.35),0 18px 32px -16px rgba(0,0,0,.75);}
.cta-band .btn-ghost{border-color:rgba(23,10,18,.35);color:#170A12;}
.cta-band .btn-ghost:hover{background:rgba(23,10,18,.1);border-color:#170A12;}
@media(min-width:768px){.cta-band{padding:44px 40px;}}

/* 页脚 */
.site-footer{background:#080612;border-top:1px solid var(--c-line);margin-top:40px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--t-low);line-height:1.75;max-width:330px;}
.footer-title{font-size:14px;font-weight:700;color:var(--t-hi);margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--t-mid);}
.footer-links a:hover{color:var(--c-spot);transform:translateX(2px);}
.subscribe{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;min-width:0;height:44px;border-radius:12px;padding:0 14px;font-size:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);color:var(--t-hi);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.subscribe input::placeholder{color:var(--t-low);}
.subscribe input:focus{outline:none;border-color:var(--c-spot);box-shadow:0 0 0 3px rgba(255,94,122,.18);}
.subscribe input.is-error{border-color:var(--c-accent);}
.form-note{margin-top:10px;font-size:13px;color:var(--t-low);}
.form-note.is-ok{color:var(--c-spot);}
.form-note.is-err{color:var(--c-accent);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--t-low);
}
.footer-bottom a:hover{color:var(--c-spot);}
#backTop{
  position:fixed;right:20px;bottom:24px;z-index:110;
  width:46px;height:46px;border-radius:14px;background:rgba(255,94,122,.92);color:#140812;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  box-shadow:0 14px 30px -14px rgba(0,0,0,.8);
  opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
#backTop.is-show{opacity:1;pointer-events:auto;}
#backTop:hover{transform:translateY(-3px);}
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.1) 37%,rgba(255,255,255,.05) 63%);background-size:400% 100%;animation:shimmer 1.4s infinite linear;border-radius:8px;}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:0 0;}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important;}}