/* roulang page: index */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(3,8,20,.45);
  --sh-2:0 16px 40px rgba(3,8,20,.6);
  --sh-glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:#070C18;
  --bs-body-color:#A6B6CE;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:18px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-lg:24px;
  --bs-primary:#2FE3B4;
  --bs-link-color:#2FE3B4;
  --bs-link-hover-color:#2FE3B4;
  --bs-emphasis-color:#EAF1FB;
  --bs-secondary-color:#6C7C96;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15.5px;
  line-height:1.85;
  letter-spacing:.1px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:650;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1280px;}}
.row{--bs-gutter-x:22px;--bs-gutter-y:22px;}

/* ---------- 通用板块节奏 ---------- */
.section{padding:88px 0;position:relative;}
.section-alt{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-inner{background:var(--bg-elev-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{font-size:26px;line-height:1.35;letter-spacing:-.2px;}
.section-head .section-sub{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2);max-width:640px;}
.section-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.section-more i{transition:transform .22s var(--ease);}
.section-more:hover i{transform:translateX(4px);}
.divider-line{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:11px 24px;
  font-size:14.5px;font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-brand{background:var(--brand);color:var(--brand-ink);border:1px solid transparent;box-shadow:0 10px 30px rgba(47,227,180,.22);}
.btn-brand:hover{color:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 34px rgba(47,227,180,.36);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:var(--glass);color:var(--text-1);border:1px solid var(--line);}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(47,227,180,.45);color:var(--text-1);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-accent{background:var(--accent);color:#2A1008;border:1px solid transparent;box-shadow:0 10px 26px rgba(255,107,74,.26);}
.btn-accent:hover{color:#2A1008;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,107,74,.38);}
.btn-sm{padding:8px 18px;font-size:13.5px;}

/* ---------- 徽章 / 标签 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(47,227,180,.12);
  border:1px solid rgba(47,227,180,.28);
  color:var(--brand);font-size:12.5px;line-height:1.7;white-space:nowrap;
}
.badge-time{
  position:absolute;right:10px;top:10px;
  background:var(--accent);color:#2A1008;
  font-size:12px;font-weight:600;letter-spacing:.4px;
  padding:2px 9px;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-2);font-size:13px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.tag-pill:hover{border-color:rgba(255,107,74,.55);color:var(--text-1);background:var(--glass-strong);}

/* ---------- 玻璃卡 ---------- */
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.glass-card::before{
  content:"";position:absolute;left:16px;right:16px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  pointer-events:none;
}
.glass-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,227,180,.32);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  transition:background-color .26s var(--ease),backdrop-filter .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.82);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(3,8,20,.5);
}
.nav-main{padding:12px 0;}
.nav-main-inner{display:flex;align-items:center;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,227,180,.24),rgba(124,107,255,.22));
  border:1px solid rgba(47,227,180,.42);
  color:var(--brand);font-size:16px;
  box-shadow:0 0 0 1px rgba(47,227,180,.14),0 8px 20px rgba(47,227,180,.18);
}
.brand-text{color:var(--text-1);font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.nav-search{
  flex:1 1 auto;min-width:0;max-width:420px;
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.nav-search:hover{border-color:rgba(47,227,180,.42);background:var(--glass-strong);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,180,.16);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  color:var(--text-1);font-size:14px;height:100%;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-channels{
  border-top:1px solid var(--line);
  background:rgba(7,12,24,.5);
}
.channels-scroll{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channels-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.channel-pill:hover{background:var(--glass-strong);color:var(--text-1);border-color:rgba(255,255,255,.18);}
.channel-pill.is-active{
  background:var(--brand);color:var(--brand-ink);border-color:transparent;font-weight:600;
  box-shadow:0 0 0 1px rgba(47,227,180,.5),0 8px 22px rgba(47,227,180,.26);
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:var(--bg-base);}
.hero::before{
  content:"";position:absolute;left:-10%;right:-10%;top:-25%;height:130%;pointer-events:none;
  background:
    radial-gradient(640px 420px at 16% 10%,rgba(47,227,180,.16),transparent 66%),
    radial-gradient(560px 400px at 84% 26%,rgba(124,107,255,.14),transparent 68%),
    radial-gradient(520px 380px at 50% 100%,rgba(255,107,74,.08),transparent 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse at 30% 18%,#000 8%,transparent 72%);
  mask-image:radial-gradient(ellipse at 30% 18%,#000 8%,transparent 72%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  color:var(--brand);font-size:13px;margin-bottom:20px;
}
.hero-kicker i{font-size:11px;}
.hero h1{font-size:40px;line-height:1.3;letter-spacing:-.5px;font-weight:700;}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{margin-top:34px;display:flex;flex-wrap:wrap;gap:28px;}
.hero-meta-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta-num{
  font-size:22px;font-weight:700;color:var(--text-1);
  font-variant-numeric:tabular-nums;letter-spacing:-.3px;
}
.hero-meta-label{font-size:12.5px;color:var(--text-3);}
.hero-card-wrap{display:flex;justify-content:flex-end;}
.hero-card{
  position:relative;width:100%;max-width:308px;aspect-ratio:9/16;
  border-radius:20px;overflow:hidden;
  border:1px solid rgba(47,227,180,.4);
  box-shadow:0 0 0 1px rgba(47,227,180,.16),0 24px 60px rgba(3,8,20,.72);
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(7,12,24,.92) 0%,rgba(7,12,24,.28) 42%,rgba(7,12,24,.05) 70%);
}
.hero-card-cap{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;}
.hero-card-cap h3{font-size:16px;line-height:1.5;color:var(--text-1);}
.hero-card-cap p{margin-top:6px;font-size:12.5px;color:var(--text-3);}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:62px;height:62px;border-radius:50%;z-index:3;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,227,180,.92);color:var(--brand-ink);
  border:0;cursor:pointer;font-size:19px;
  box-shadow:0 0 0 10px rgba(47,227,180,.14),0 12px 32px rgba(47,227,180,.36);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.04);box-shadow:0 0 0 14px rgba(47,227,180,.16),0 16px 38px rgba(47,227,180,.44);}
.hero-card:hover .play-btn{opacity:1;}

/* ---------- 特性速览 ---------- */
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.feature-item{
  padding:20px 20px 20px 22px;
  border-left:3px solid var(--brand);
  background:var(--bg-elev-1);
  border-radius:0 var(--r-md) var(--r-md) 0;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.feature-item:hover{transform:translateY(-2px);background:var(--bg-elev-2);}
.feature-item i{color:var(--brand);font-size:17px;}
.feature-item h3{margin-top:12px;font-size:16px;}
.feature-item p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--text-3);}

/* ---------- 横向轨道 ---------- */
.rail{
  display:flex;gap:20px;
  overflow-x:auto;overflow-y:hidden;
  padding:4px 0 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{display:none;}
.clip-card{
  flex:0 0 268px;scroll-snap-align:start;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,227,180,.34);}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;border-radius:14px;margin:10px 10px 0;}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.clip-card:hover .clip-thumb img{transform:scale(1.03);}
.clip-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,12,24,.72),transparent 55%);}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;z-index:3;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(7,12,24,.68);border:1px solid rgba(47,227,180,.6);
  color:var(--brand);font-size:15px;
  opacity:.85;transition:opacity .22s var(--ease),background-color .22s var(--ease);
}
.clip-card:hover .clip-play{opacity:1;background:rgba(47,227,180,.92);color:var(--brand-ink);}
.clip-body{padding:14px 16px 16px;}
.clip-body h3{font-size:15.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-foot{margin-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);}
.clip-foot span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 种草清单 ---------- */
.seed-list{border-top:1px solid var(--line);}
.seed-item{
  display:grid;grid-template-columns:auto 98px 1fr auto;
  align-items:center;gap:20px;
  padding:20px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease);
}
.seed-item:hover{background:rgba(255,255,255,.028);}
.seed-num{
  font-size:32px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(47,227,180,.55);
  font-variant-numeric:tabular-nums;min-width:44px;
}
.seed-thumb{width:98px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.seed-thumb img{width:100%;height:100%;object-fit:cover;}
.seed-text h3{font-size:16px;line-height:1.55;}
.seed-text p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--text-3);}
.seed-action{display:flex;align-items:center;gap:12px;}
.seed-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:var(--accent);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,107,74,.4);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.seed-link:hover{background:rgba(255,107,74,.14);border-color:var(--accent);color:#FFB59F;}
.seed-cta{margin-top:28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.seed-cta-note{font-size:13.5px;color:var(--text-3);}

/* ---------- 最新信息 / CMS ---------- */
.post-card{display:block;height:100%;overflow:hidden;color:var(--text-2);}
.post-card:hover{color:var(--text-2);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:14px 14px 0 0;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-cat{position:absolute;left:10px;top:10px;background:rgba(7,12,24,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;height:calc(100% - 1px);}
.post-title{
  font-size:16px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:51px;
}
.post-excerpt{
  margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.post-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;}
.post-more i{transition:transform .22s var(--ease);}
.post-card:hover .post-more i{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:56px 24px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--glass);
}
.empty-state i{font-size:38px;color:var(--text-3);}
.empty-state p{margin-top:14px;font-size:14px;color:var(--text-3);}
.empty-state a{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;}

/* ---------- 口碑条 ---------- */
.review-rail{display:flex;gap:18px;overflow-x:auto;padding:4px 0 16px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;}
.review-rail::-webkit-scrollbar{display:none;}
.review-bubble{
  flex:0 0 320px;scroll-snap-align:start;
  padding:16px 18px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  display:flex;align-items:center;gap:14px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.review-bubble:hover{border-color:rgba(47,227,180,.3);background:var(--glass-strong);}
.review-avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,227,180,.22),rgba(124,107,255,.24));
  border:1px solid var(--line);color:var(--brand);font-size:13px;font-weight:600;
}
.review-body{min-width:0;}
.review-name{font-size:12.5px;color:var(--text-3);}
.review-text{
  margin-top:3px;font-size:14px;line-height:1.65;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- FAQ ---------- */
.faq-accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-btn-color:var(--text-1);
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--brand);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:20px;
  --bs-accordion-body-padding-y:4px;
  --bs-accordion-btn-padding-x:22px;
  --bs-accordion-btn-padding-y:18px;
  display:flex;flex-direction:column;gap:12px;
}
.faq-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(47,227,180,.34);
  background:var(--glass-strong);
}
.faq-accordion .accordion-button{
  position:relative;
  font-size:15.5px;font-weight:600;line-height:1.65;
  background:transparent;box-shadow:none;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
  opacity:0;transition:opacity .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{
  content:"";background-image:none;
  width:9px;height:9px;flex:0 0 9px;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translateY(-2px);}
.faq-accordion .accordion-body{
  padding:0 22px 20px;
  font-size:14.5px;line-height:1.85;color:var(--text-2);
}

/* ---------- 底部 CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(520px 320px at 12% 0%,rgba(47,227,180,.16),transparent 68%),
    radial-gradient(480px 300px at 88% 100%,rgba(255,107,74,.12),transparent 70%),
    var(--bg-elev-2);
  padding:52px 48px;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-panel h2{font-size:26px;line-height:1.4;}
.cta-panel p{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#05090F;border-top:1px solid var(--line);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;}
.footer-brand span{color:var(--text-1);font-size:17px;font-weight:700;}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:420px;}
.footer-col h3{font-size:14px;color:var(--text-1);font-weight:600;letter-spacing:.3px;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- 跟买触点 ---------- */
.buy-bar{
  position:fixed;left:0;right:0;bottom:0;height:60px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:0 18px;
  background:rgba(7,12,24,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
  transform:translateY(120%);
  transition:transform .3s var(--ease);
}
.buy-bar.is-visible{transform:translateY(0);}
.buy-bar-text{font-size:13px;color:var(--text-2);line-height:1.5;}
.buy-bar-text strong{display:block;color:var(--text-1);font-size:14px;font-weight:600;}
.desk-buy{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:none;align-items:center;gap:10px;
  padding:13px 22px;border-radius:var(--r-pill);
  background:rgba(7,12,24,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(47,227,180,.4);
  color:var(--text-1);font-size:14px;font-weight:600;
  box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.desk-buy.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.desk-buy:hover{color:var(--text-1);border-color:var(--brand);box-shadow:0 0 0 1px rgba(47,227,180,.4),0 16px 40px rgba(3,8,20,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .feature-strip{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:34px;}
}
@media (max-width:991.98px){
  .section{padding:60px 0;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card-wrap{justify-content:center;}
  .hero-card{max-width:280px;}
  .cta-panel{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand-col{grid-column:1 / -1;}
  .seed-item{grid-template-columns:auto 84px 1fr;gap:16px;}
  .seed-action{grid-column:2 / -1;justify-content:flex-start;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:767.98px){
  .nav-search{display:none;}
  .hero h1{font-size:30px;line-height:1.34;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .seed-item{grid-template-columns:auto 1fr;gap:14px;padding:18px 0;}
  .seed-thumb{width:100%;max-width:120px;}
  .seed-action{grid-column:2 / 3;}
  .review-bubble{flex:0 0 76vw;}
  .rail{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 20px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 20px),transparent 100%);
  }
  .review-rail{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 20px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 20px),transparent 100%);
  }
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .hero{padding:44px 0 52px;}
  .hero-card{max-width:246px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:34px;height:34px;border-radius:11px;}
  .nav-main{padding:10px 0;}
  .channels-scroll{height:46px;gap:8px;}
  .channel-pill{padding:6px 13px;font-size:13.5px;}
  .feature-strip{grid-template-columns:1fr;}
  .clip-card{flex:0 0 68vw;}
  .hero-meta{gap:20px;}
  .hero-meta-num{font-size:19px;}
  .post-title{font-size:15.5px;}
  .cta-panel{padding:32px 22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:992px){
  .desk-buy{display:inline-flex;}
  .buy-bar{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .glass-card:hover,.clip-card:hover,.feature-item:hover,.btn-brand:hover,.btn-ghost:hover{transform:none;}
}

/* roulang page: article */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(3,8,20,.45);
  --sh-2:0 16px 40px rgba(3,8,20,.6);
  --glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-body-bg:var(--bg-base);
  --bs-body-color:var(--text-2);
  --bs-body-font-family:var(--font-cn);
  --bs-primary:#2FE3B4;
  --bs-primary-rgb:47,227,180;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-link-color:var(--brand);
  --bs-link-hover-color:#7CF0D2;
  --bs-emphasis-color:var(--text-1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#7CF0D2}
button,input{font-family:inherit}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:650;letter-spacing:-.2px}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.15em;padding-left:1.3em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:18px;
  padding-right:18px;
}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1400px){.container{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(7,12,24,.72);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(7,12,24,.9);
  border-bottom:1px solid var(--line);
}
.nav-main-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:66px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text-1);
  font-weight:700;
  letter-spacing:.2px;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#1FB48C);
  color:var(--brand-ink);
  font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,180,.28);
}
.brand-text{font-size:16.5px;white-space:nowrap}
.nav-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text-1);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{
  border-color:rgba(47,227,180,.7);
  box-shadow:0 0 0 3px rgba(47,227,180,.14);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  border-radius:999px;
  border:0;
  background:linear-gradient(135deg,#3AF0C0,#1FC79A);
  color:var(--brand-ink);
  font-weight:650;
  font-size:14px;
  box-shadow:var(--glow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-brand:hover{
  color:var(--brand-ink);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(47,227,180,.7),0 14px 34px rgba(47,227,180,.34);
}
.btn-brand:active{transform:translateY(0)}
.btn-brand.btn-sm{height:36px;padding:0 16px;font-size:13.5px}

.nav-channels{
  border-top:1px solid var(--line);
  background:rgba(9,15,28,.6);
}
.channels-scroll{
  display:flex;
  align-items:center;
  gap:10px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  position:relative;
}
.channels-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:13.5px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.channel-pill:hover{
  background:var(--glass-strong);
  color:var(--text-1);
  border-color:rgba(255,255,255,.18);
  transform:translateY(-1px);
}
.channel-pill.is-active{
  background:linear-gradient(135deg,#3AF0C0,#1FC79A);
  border-color:transparent;
  color:var(--brand-ink);
  font-weight:650;
  box-shadow:0 8px 22px rgba(47,227,180,.26);
}

/* ---------- Breadcrumb ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .current{color:var(--text-2);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article head ---------- */
.article-head{padding:20px 0 0}
.article-head h1{
  font-size:34px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  margin-bottom:20px;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
}
.meta-pill.is-cat{
  border-color:rgba(255,107,74,.42);
  color:#FFB9A6;
  background:rgba(255,107,74,.10);
}
.meta-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.22)}
.article-cover{
  margin:4px 0 30px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  position:relative;
  aspect-ratio:21/9;
  background:var(--bg-elev-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,12,24,.72));
  pointer-events:none;
}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:36px;
  padding-bottom:10px;
}
@media(min-width:1200px){
  .article-layout{
    grid-template-columns:minmax(0,780px) 320px;
    justify-content:center;
    gap:48px;
  }
}
.article-body{
  min-width:0;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;
  padding-left:15px;
  font-size:26px;
  line-height:1.38;
  font-weight:650;
  margin:1.8em 0 .7em;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.32em;
  width:3px;height:1.05em;
  border-radius:2px;
  background:linear-gradient(180deg,#3AF0C0,#1FC79A);
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  margin:1.5em 0 .6em;
}
.article-body h4{
  font-size:16px;
  font-weight:600;
  margin:1.3em 0 .5em;
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-decoration-style:dashed;
  text-underline-offset:3px;
}
.article-body a:hover{color:#7CF0D2}
.article-body strong{color:var(--text-1);font-weight:650}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.15em}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.4em 0;
  padding:16px 20px;
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;
  border-radius:var(--r-sm);
  margin:1.4em 0 .6em;
  border:1px solid var(--line);
}
.article-body figure{margin:1.4em 0}
.article-body figcaption{
  font-size:12.5px;
  color:var(--text-3);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body thead th{background:var(--bg-elev-2);color:var(--text-1);font-weight:600}
.article-body tbody tr:nth-child(odd){background:var(--bg-elev-1)}
.article-body tbody tr:nth-child(even){background:var(--bg-elev-2)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  font-family:"Inter",ui-monospace,SFMono-Regular,Menlo,var(--font-cn);
  font-size:13.5px;
  padding:2px 7px;
  border-radius:8px;
  background:var(--glass-strong);
  border:1px solid var(--line);
  color:#CFF7EA;
}
.article-body pre{
  background:var(--bg-elev-1);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:16px 18px;
  overflow-x:auto;
  margin:1.4em 0;
}
.article-body pre code{background:transparent;border:0;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- Sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1200px){
  .article-side{position:sticky;top:132px;align-self:start}
}
.side-card{
  position:relative;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  padding:18px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.side-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.side-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:650;
  color:var(--text-1);
  margin-bottom:14px;
}
.side-title i{color:var(--brand);font-size:13px}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-radius:10px;
  font-size:13.5px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{background:var(--glass-strong);color:var(--text-1);border-left-color:var(--brand)}
.toc-sub{font-size:12.5px;color:var(--text-3);padding:8px 4px}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:13.5px;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-links a i{font-size:11px;color:var(--text-3)}
.side-links a:hover{background:var(--glass-strong);color:var(--text-1)}
.side-links a:hover i{color:var(--brand)}

/* ---------- Tags + reactions ---------- */
.article-foot{margin-top:34px}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 13px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:rgba(255,107,74,.55);color:#FFB9A6;transform:translateY(-1px)}
.react-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.react-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13.5px;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.react-btn:hover{
  background:var(--glass-strong);
  color:var(--text-1);
  border-color:rgba(47,227,180,.45);
  transform:translateY(-2px);
}
.react-btn i{font-size:13px;color:var(--brand)}

/* ---------- Related ---------- */
.section{padding:76px 0}
@media(max-width:991px){.section{padding:60px 0}}
@media(max-width:575px){.section{padding:44px 0}}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head h2{font-size:26px;line-height:1.36}
@media(max-width:575px){.section-head h2{font-size:22px}}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--text-3)}
.link-more{
  flex:0 0 auto;
  font-size:13.5px;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.link-more:hover{color:var(--brand);gap:10px}
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media(min-width:576px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:992px){.card-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.content-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.content-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  z-index:2;
}
.content-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(47,227,180,.30);
}
.card-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-elev-2);
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease),opacity .2s var(--ease)}
.content-card:hover .card-thumb img{transform:scale(1.03)}
.badge-cat{
  position:absolute;
  left:12px;top:12px;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(255,107,74,.92);
  color:#2A0C04;
  font-size:11.5px;
  font-weight:600;
  z-index:2;
}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:16px;
  line-height:1.6;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.content-card:hover .card-body h3{color:#7CF0D2}
.card-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  padding-top:8px;
  border-top:1px solid var(--line);
}
.card-foot span{display:inline-flex;align-items:center;gap:6px}

/* ---------- Back buttons ---------- */
.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-1);
  font-size:14px;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{
  background:var(--glass-strong);
  border-color:rgba(47,227,180,.5);
  color:var(--text-1);
  transform:translateY(-2px);
}
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:0;
  background:linear-gradient(135deg,#FF8266,#FF5A38);
  color:#2A0C04;
  font-size:14.5px;
  font-weight:650;
  box-shadow:0 10px 28px rgba(255,107,74,.30);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent:hover{
  color:#2A0C04;
  transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(255,107,74,.40);
}
.btn-accent:active{transform:translateY(0)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 220px at 12% 0%,rgba(47,227,180,.16),transparent 62%),
    radial-gradient(500px 200px at 92% 100%,rgba(255,107,74,.16),transparent 60%),
    var(--bg-elev-1);
  padding:34px 28px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.cta-inner h2{font-size:22px;line-height:1.45;margin-bottom:8px}
.cta-inner p{margin:0;font-size:14px;color:var(--text-3);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Empty state ---------- */
.empty-state{
  padding:46px 24px;
  text-align:center;
  border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.16);
  background:var(--glass);
}
.empty-state i{font-size:38px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:16px}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;
  background:#050A14;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
@media(max-width:575px){.site-footer{padding-top:46px}}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding-bottom:44px;
}
@media(min-width:768px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:40px}
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-weight:700;
  font-size:16px;
  margin-bottom:14px;
}
.footer-brand:hover{color:var(--text-1)}
.footer-desc{font-size:13.5px;line-height:1.8;color:var(--text-3);max-width:420px;margin:0}
.footer-col h3{
  font-size:14px;
  font-weight:650;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:13.5px;
  color:var(--text-3);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom i{color:var(--brand);margin-right:6px}

@media(max-width:991px){
  .nav-search{max-width:240px}
}
@media(max-width:767px){
  .nav-main-inner{height:60px;gap:12px}
  .brand-text{font-size:15px}
  .nav-search{display:none}
  .channels-scroll{height:46px}
  .article-head h1{font-size:26px;line-height:1.4}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:17.5px}
  .article-cover{aspect-ratio:16/9;margin-bottom:22px}
  .crumb .current{max-width:60vw}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .content-card:hover,.btn-brand:hover,.btn-ghost:hover,.btn-accent:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --radius-lg:24px;
  --radius-card:18px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(3,8,20,.45);
  --shadow-2:0 16px 40px rgba(3,8,20,.6);
  --glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-primary:#2FE3B4;
  --bs-body-bg:#070C18;
  --bs-body-color:#A6B6CE;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:16px;
  --bs-link-color:#2FE3B4;
  --bs-link-hover-color:#7df0d2;
  --bs-font-sans-serif:var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
  background-color:var(--bg-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 10% -10%, rgba(47,227,180,.16), transparent 65%),
    radial-gradient(780px 520px at 90% 2%, rgba(124,107,255,.14), transparent 62%),
    radial-gradient(720px 520px at 50% 112%, rgba(255,107,74,.10), transparent 66%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.32;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7df0d2}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0 0 1.15em}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:650;line-height:1.32}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;
}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:575.98px){.container{padding:0 18px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  border-bottom:1px solid transparent;
  transition:background .26s var(--ease),border-color .26s var(--ease),backdrop-filter .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.82);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(3,8,20,.5);
}
.nav-main-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1);font-weight:700;font-size:17.5px;letter-spacing:-.2px}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2FE3B4,#17A382);
  color:var(--brand-ink);font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,180,.28);
}
.brand-text{white-space:nowrap}
.nav-search{position:relative;flex:1;max-width:420px;margin:0 auto}
.nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-3)}
.nav-search input{
  width:100%;height:40px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  padding:0 18px 0 40px;font-size:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:rgba(47,227,180,.7);background:var(--glass-strong);box-shadow:0 0 0 3px rgba(47,227,180,.16)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--radius-pill);border:1px solid transparent;
  background:var(--brand);color:var(--brand-ink);font-size:14.5px;font-weight:650;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-brand:hover{background:#4BEBC1;color:var(--brand-ink);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-brand.btn-sm{padding:9px 18px;font-size:13.5px}
.nav-channels{border-bottom:1px solid var(--line);background:rgba(7,12,24,.36);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.channels-scroll{
  display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.channels-scroll::-webkit-scrollbar{display:none}
.channels-scroll::before{
  content:"";position:sticky;left:0;width:0;
}
.channel-pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 17px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  font-size:14px;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.channel-pill:hover{background:var(--glass-strong);color:var(--text-1)}
.channel-pill.is-active{
  background:var(--brand);color:var(--brand-ink);border-color:transparent;
  font-weight:650;box-shadow:var(--glow);
}
@media (max-width:991.98px){
  .nav-search{max-width:260px}
  .brand-text{font-size:16px}
}
@media (max-width:767.98px){
  .nav-main-inner{height:62px;gap:12px}
  .nav-search{display:none}
  .nav-actions{margin-left:auto}
  .channels-scroll{height:46px;gap:8px}
  .channel-pill{padding:6px 14px;font-size:13.5px}
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding-top:20px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--text-3)}
.crumbs li{display:inline-flex;align-items:center}
.crumbs li:not(:last-child)::after{content:"/";margin:0 10px;color:rgba(255,255,255,.2)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current]{color:var(--text-2)}

/* ============ 分类 Hero 带 ============ */
.cat-hero{margin-top:18px}
.cat-hero-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  min-height:268px;display:flex;align-items:flex-end;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.cat-hero-inner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,12,24,.95) 0%,rgba(7,12,24,.78) 44%,rgba(7,12,24,.34) 100%);
}
.cat-hero-content{position:relative;z-index:2;padding:40px;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(47,227,180,.14);border:1px solid rgba(47,227,180,.36);
  color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.4px;
  margin-bottom:16px;
}
.cat-hero h1{font-size:40px;font-weight:700;letter-spacing:-.5px;line-height:1.18;color:var(--text-1)}
.cat-hero .lead{margin:14px 0 0;font-size:17px;line-height:1.8;color:var(--text-2);max-width:640px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:26px}
.stat-num{display:block;font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}
@media (max-width:767.98px){
  .cat-hero-inner{min-height:240px}
  .cat-hero-content{padding:24px}
  .cat-hero h1{font-size:30px;line-height:1.28}
  .cat-hero .lead{font-size:15px}
  .hero-stats{gap:22px;margin-top:20px}
  .stat-num{font-size:20px}
}

/* ============ 板块通用 ============ */
.section{padding:58px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-title{font-size:26px;font-weight:650;letter-spacing:-.3px}
.section-sub{margin:10px 0 0;font-size:14.5px;color:var(--text-2);max-width:640px}
@media (max-width:767.98px){
  .section{padding:44px 0 0}
  .section-title{font-size:22px}
}

/* ============ 筛选 pill ============ */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:6px 0 4px;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.filter-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--glass);color:var(--text-2);
  font-size:13.5px;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.filter-pill:hover{background:var(--glass-strong);color:var(--text-1);border-color:rgba(47,227,180,.35)}
.filter-pill.is-on{background:var(--brand);color:var(--brand-ink);border-color:transparent;font-weight:650;box-shadow:var(--glow)}

/* ============ 内容网格 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:26px}
.entry-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.entry-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:3;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(47,227,180,.32)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.entry-card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 13px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;
  background:rgba(7,12,24,.68);border:1px solid var(--line);color:var(--text-1);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.card-badge.is-hot{background:var(--accent);border-color:transparent;color:#2A0F08}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px;flex:1}
.card-title{
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.card-meta .cat-tag{color:var(--text-3)}
.card-link{font-size:13.5px;font-weight:650;color:var(--brand);white-space:nowrap}
.card-link:hover{color:#7df0d2}
.is-hidden{display:none !important}
@media (max-width:1199.98px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media (max-width:639.98px){.entry-grid{grid-template-columns:1fr;gap:18px}}

/* ============ 加载更多 / 分页 ============ */
.more-wrap{display:flex;flex-direction:column;align-items:center;gap:18px;margin-top:32px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 28px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--glass);color:var(--text-1);
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(47,227,180,.5);color:var(--brand);transform:translateY(-2px)}
.btn-ghost[disabled]{opacity:.5;cursor:default;transform:none}
.btn-ghost[disabled]:hover{color:var(--text-1);border-color:var(--line);background:var(--glass)}
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 14px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--glass);color:var(--text-2);font-size:14px;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.pager a:hover{background:var(--glass-strong);border-color:rgba(47,227,180,.4);color:var(--text-1)}
.pager .is-current{background:var(--brand);color:var(--brand-ink);border-color:transparent;font-weight:650}

/* ============ 入口速查条 ============ */
.quick-list{margin-top:24px;border-top:1px solid var(--line)}
.quick-item{
  display:flex;align-items:center;gap:20px;
  padding:18px 12px;border-bottom:1px solid var(--line);border-radius:12px;
  transition:background .22s var(--ease);
}
.quick-item:hover{background:var(--glass)}
.quick-index{
  flex:0 0 auto;min-width:54px;text-align:center;
  font-size:30px;font-weight:700;line-height:1;letter-spacing:-1px;
  color:transparent;-webkit-text-stroke:1px rgba(47,227,180,.6);
  font-variant-numeric:tabular-nums;
}
.quick-thumb{
  flex:0 0 auto;width:104px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--bg-elev-2);
}
.quick-thumb img{width:100%;height:100%;object-fit:cover}
.quick-text{min-width:0;flex:1}
.quick-text h3{font-size:16px;font-weight:600;color:var(--text-1)}
.quick-text p{margin:5px 0 0;font-size:14px;line-height:1.75;color:var(--text-2)}
.quick-action{
  flex:0 0 auto;font-size:13.5px;font-weight:650;color:var(--accent);white-space:nowrap;
  transition:color .22s var(--ease)
}
.quick-action:hover{color:#FF9678}
@media (max-width:767.98px){
  .quick-item{gap:14px;padding:16px 8px;flex-wrap:wrap}
  .quick-index{font-size:24px;min-width:42px}
  .quick-thumb{width:84px}
  .quick-text h3{font-size:15px}
  .quick-text p{font-size:13.5px}
  .quick-action{margin-left:auto}
}

/* ============ CTA 收口 ============ */
.cta-band{
  margin-top:56px;border-radius:var(--radius-lg);padding:38px;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  background:
    radial-gradient(520px 260px at 88% 12%, rgba(255,107,74,.18), transparent 62%),
    linear-gradient(120deg, rgba(47,227,180,.16), rgba(124,107,255,.10) 56%, rgba(13,21,38,.6));
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-band h2{font-size:23px;font-weight:650;letter-spacing:-.3px}
.cta-band p{margin:10px 0 0;font-size:14.5px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767.98px){
  .cta-band{padding:26px;margin-top:44px}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1;justify-content:center}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;margin-top:72px;
  background:#05090F;border-top:1px solid var(--line);
  padding:54px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:17px}
.footer-brand:hover{color:var(--text-1)}
.footer-desc{margin:14px 0 0;font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:380px}
.footer-col h3{font-size:14px;font-weight:650;color:var(--text-1);margin-bottom:14px;letter-spacing:.3px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom i{color:var(--brand);margin-right:6px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639.98px){.footer-grid{grid-template-columns:1fr;gap:28px}.site-footer{padding:40px 0 22px;margin-top:52px}}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .entry-card:hover,.btn-brand:hover,.btn-ghost:hover{transform:none}
  .entry-card:hover .card-media img{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 8px 24px rgba(3,8,20,.45);
  --shadow-2:0 16px 40px rgba(3,8,20,.6);
  --glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-bg:#070C18;
  --bs-body-color:#EAF1FB;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:18px;
  --bs-primary:#2FE3B4;
  --bs-link-color:#2FE3B4;
  --bs-link-hover-color:#7CF0D3;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(47,227,180,.14),transparent 62%),
    radial-gradient(620px 400px at 88% 4%,rgba(124,107,255,.12),transparent 66%),
    linear-gradient(180deg,rgba(7,12,24,0) 0%,rgba(7,12,24,.6) 100%);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:#7CF0D3;}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:650;letter-spacing:-.2px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;position:relative;z-index:1;}
@media(min-width:1400px){.container{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:transparent;
  transition:background .26s var(--ease),box-shadow .26s var(--ease),backdrop-filter .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.82);
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:0 1px 0 var(--line);
}
.nav-main{padding:14px 0 10px;}
.nav-main-inner{display:flex;align-items:center;gap:18px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#1FB98F);
  color:var(--brand-ink);font-size:17px;
  box-shadow:0 6px 18px rgba(47,227,180,.28);
}
.brand-text{color:var(--text-1);font-size:18px;font-weight:700;letter-spacing:-.3px;white-space:nowrap;}
.nav-search{
  flex:1 1 auto;
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(130%);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text-1);
  font-size:14px;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:hover,.nav-search:focus-within{border-color:rgba(47,227,180,.55);box-shadow:0 0 0 3px rgba(47,227,180,.10);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid rgba(47,227,180,.6);
  background:linear-gradient(135deg,var(--brand),#22C79C);
  color:var(--brand-ink);font-weight:600;font-size:14px;
  padding:0 20px;height:42px;white-space:nowrap;
  box-shadow:var(--glow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-brand:hover,.btn-brand:focus{color:var(--brand-ink);transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 0 0 1px rgba(47,227,180,.75),0 14px 32px rgba(47,227,180,.34);}
.btn-brand.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;height:42px;padding:0 20px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  font-size:14px;font-weight:600;
  backdrop-filter:blur(14px) saturate(130%);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.btn-ghost:hover{color:var(--text-1);transform:translateY(-2px);border-color:rgba(47,227,180,.45);background:var(--glass-strong);}
.nav-channels{
  border-top:1px solid var(--line);
  background:rgba(7,12,24,.34);
}
.channels-scroll{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channels-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);font-size:13.5px;font-weight:500;
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.channel-pill:hover{background:var(--glass-strong);color:var(--text-1);border-color:rgba(255,255,255,.18);transform:translateY(-1px);}
.channel-pill.is-active{
  background:linear-gradient(135deg,var(--brand),#25CFA2);
  color:var(--brand-ink);border-color:transparent;font-weight:600;
  box-shadow:0 0 0 1px rgba(47,227,180,.5),0 8px 22px rgba(47,227,180,.26);
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;position:relative;}
.section-alt{background:var(--bg-elev-1);}
.section-alt-2{background:var(--bg-elev-2);}
.section-head{margin-bottom:26px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.section-head h2{font-size:26px;line-height:1.38;font-weight:650;}
.section-head .sub{color:var(--text-3);font-size:14px;margin-top:6px;}
.link-more{font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 标题区 ---------- */
.page-top{padding:34px 0 8px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .current{color:var(--text-2);}
.page-top h1{font-size:40px;line-height:1.24;letter-spacing:-.5px;font-weight:700;margin-bottom:14px;}
.page-top .lede{font-size:16px;color:var(--text-2);max-width:760px;line-height:1.8;}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(130%);
  font-size:13px;color:var(--text-2);
}
.stat-chip strong{color:var(--text-1);font-size:15px;font-variant-numeric:tabular-nums;}
.stat-chip i{color:var(--brand);font-size:12px;}

/* ---------- 筛选 pill ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:30px 0 8px;}
.filter-label{font-size:12.5px;color:var(--text-3);margin-right:4px;}
.filter-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);color:var(--text-2);
  font-size:13px;transition:all .22s var(--ease);cursor:pointer;
}
.filter-pill:hover{border-color:rgba(255,107,74,.5);color:var(--text-1);}
.filter-pill.is-on{background:var(--glass-strong);color:var(--text-1);border-color:rgba(47,227,180,.45);font-weight:600;}

/* ---------- 排行榜 ---------- */
.rank-wrap{background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 22px;box-shadow:var(--shadow-1);}
.rank-item{
  display:grid;
  grid-template-columns:70px 132px 1fr auto;
  gap:20px;align-items:center;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:rgba(255,255,255,.02);}
.rank-num{
  font-size:34px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(47,227,180,.65);
  text-align:center;font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-num,
.rank-item:nth-child(2) .rank-num,
.rank-item:nth-child(3) .rank-num{
  color:var(--accent);-webkit-text-stroke:0;
}
.rank-thumb{
  position:relative;border-radius:var(--r-sm);overflow:hidden;
  aspect-ratio:16/10;background:var(--bg-elev-2);border:1px solid var(--line);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.rank-item:hover .rank-thumb img{transform:scale(1.03);}
.rank-tag{
  position:absolute;left:8px;top:8px;
  background:rgba(255,107,74,.92);color:#26100A;
  font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;
}
.rank-body h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:6px;}
.rank-body h3 a{color:var(--text-1);}
.rank-body h3 a:hover{color:var(--brand);}
.rank-body p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;max-width:52ch;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-meta{display:flex;gap:14px;align-items:center;margin-top:9px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap;}
.rank-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.24);}
.rank-meta .heat{color:var(--warn);font-variant-numeric:tabular-nums;}
.rank-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.btn-follow{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(255,107,74,.55);background:rgba(255,107,74,.12);
  color:#FFB9A6;font-size:13px;font-weight:600;
  transition:all .22s var(--ease);cursor:pointer;white-space:nowrap;
}
.btn-follow:hover{background:rgba(255,107,74,.24);color:#FFD8CC;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,74,.22);}
.btn-follow i{font-size:11px;}

/* ---------- 口碑条 ---------- */
.voice-track{
  display:flex;gap:16px;overflow-x:auto;padding:6px 2px 16px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.voice-track::-webkit-scrollbar{display:none;}
.voice-bubble{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--glass);border:1px solid var(--line);border-radius:999px 22px 22px 999px;
  padding:14px 20px 14px 14px;
  display:flex;align-items:center;gap:14px;
  backdrop-filter:blur(14px) saturate(130%);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.voice-bubble:hover{border-color:rgba(47,227,180,.4);transform:translateY(-2px);}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(124,107,255,.55),rgba(47,227,180,.45));
  color:#08111F;font-weight:700;font-size:14px;
}
.voice-main{min-width:0;}
.voice-main .nick{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.voice-main .nick .stars{color:var(--warn);font-size:10.5px;letter-spacing:1px;}
.voice-main .say{font-size:14px;color:var(--text-1);line-height:1.6;margin-top:3px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- FAQ ---------- */
.faq-accordion{background:transparent;}
.faq-accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(14px) saturate(130%);
  transition:border-color .22s var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(255,255,255,.2);}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text-1);font-size:15.5px;font-weight:600;
  padding:18px 22px;box-shadow:none;border-radius:0;position:relative;
  font-family:inherit;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--text-3);transform:none;transition:transform .22s var(--ease),color .22s var(--ease);
  width:auto;height:auto;display:flex;align-items:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{color:var(--brand);transform:rotate(180deg);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.faq-accordion .accordion-body{padding:0 22px 20px 22px;color:var(--text-2);font-size:14.5px;line-height:1.8;}

/* ---------- CTA 收口 ---------- */
.cta-band{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:
    radial-gradient(520px 260px at 88% 10%,rgba(255,107,74,.16),transparent 66%),
    radial-gradient(520px 300px at 6% 96%,rgba(47,227,180,.16),transparent 64%),
    var(--bg-elev-2);
  padding:44px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:26px;line-height:1.36;margin-bottom:12px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.cta-list{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.cta-list i{color:var(--brand);font-size:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#04080F;border-top:1px solid var(--line);
  padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--text-1);font-weight:700;font-size:17px;}
.footer-brand:hover{color:var(--text-1);}
.footer-desc{font-size:13.5px;color:var(--text-3);max-width:42ch;line-height:1.8;margin:0;}
.footer-col h3{font-size:13px;color:var(--text-1);font-weight:600;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom i{color:var(--brand);margin-right:6px;}

/* ---------- 响应式 ---------- */
@media(max-width:991px){
  .page-top h1{font-size:34px;}
  .rank-item{grid-template-columns:54px 112px 1fr;gap:16px;}
  .rank-side{grid-column:2 / 4;flex-direction:row;align-items:center;justify-content:flex-start;}
  .rank-body p{max-width:none;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media(max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .nav-search{display:none;}
  .brand-text{font-size:16px;}
  .section{padding:56px 0;}
  .page-top{padding:24px 0 4px;}
  .page-top h1{font-size:30px;line-height:1.3;}
  .page-top .lede{font-size:15px;}
  .section-head h2{font-size:22px;}
  .rank-wrap{padding:6px 16px;border-radius:var(--r-md);}
  .rank-item{grid-template-columns:44px 1fr;grid-template-areas:"num body" "thumb thumb" "side side";gap:14px;padding:18px 0;}
  .rank-num{grid-area:num;font-size:28px;}
  .rank-body{grid-area:body;}
  .rank-thumb{grid-area:thumb;aspect-ratio:16/9;}
  .rank-side{grid-area:side;flex-direction:row;justify-content:space-between;width:100%;}
  .voice-bubble{flex-basis:76vw;border-radius:22px;}
  .cta-band{padding:26px 22px;border-radius:var(--r-md);}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .filter-row{margin-top:22px;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .rank-item:hover .rank-thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(3,8,20,.45);
  --sh-2:0 16px 40px rgba(3,8,20,.6);
  --glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#2FE3B4;
  --bs-body-bg:#070C18;
  --bs-body-color:#A6B6CE;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:16px;
  --bs-link-color:#2FE3B4;
  --bs-link-hover-color:#7CF3D4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#7CF3D4}
button,input{font-family:inherit}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:650;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:575.98px){.container{padding:0 18px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  transition:background .24s var(--ease),box-shadow .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.84);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 1px 0 var(--line);
}
.nav-main-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:16.5px;letter-spacing:-.2px;text-decoration:none}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#17a98a);
  color:var(--brand-ink);font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,180,.3);
}
.brand-text{white-space:nowrap}
.nav-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{flex:1;background:transparent;border:0;outline:0;color:var(--text-1);font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:rgba(47,227,180,.65);box-shadow:0 0 0 3px rgba(47,227,180,.14);background:var(--glass-strong)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:15px;cursor:pointer;
  box-shadow:0 0 0 1px rgba(47,227,180,.5),0 10px 26px rgba(47,227,180,.22);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.btn-brand:hover,.btn-brand:focus-visible{
  color:var(--brand-ink);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(47,227,180,.72),0 14px 32px rgba(47,227,180,.34);
}
.btn-brand.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  font-weight:600;font-size:15px;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--glass-strong);border-color:rgba(47,227,180,.5);color:var(--text-1);transform:translateY(-2px)}
.btn-ghost.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.nav-channels{border-bottom:1px solid var(--line);background:rgba(7,12,24,.45)}
.channels-scroll{
  display:flex;gap:10px;align-items:center;height:52px;
  overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;
}
.channels-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px;border-radius:999px;font-size:14px;line-height:1.4;
  color:var(--text-2);border:1px solid var(--line);background:transparent;
  text-decoration:none;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.channel-pill:hover{background:var(--glass-strong);color:var(--text-1)}
.channel-pill.is-active{
  background:var(--brand);color:var(--brand-ink);border-color:transparent;font-weight:600;
  box-shadow:0 8px 22px rgba(47,227,180,.28);
}
@media (max-width:991px){
  .nav-search{max-width:none}
  .brand-text{font-size:15px}
}
@media (max-width:767px){
  .nav-main-inner{height:62px;gap:12px}
  .nav-search{display:none}
  .channels-scroll{height:46px}
}
@media (max-width:575.98px){
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis}
}

/* ---------- 横幅标题区 ---------- */
.banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.72),rgba(7,12,24,.94)),radial-gradient(720px 340px at 18% 0%,rgba(47,227,180,.16),transparent 62%);
}
.banner-inner{position:relative;z-index:2;padding:54px 0 48px;max-width:820px}
.crumb{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.55}
.crumb .cur{color:var(--text-2)}
.banner h1{font-size:38px;line-height:1.32;letter-spacing:-.5px}
.banner .lede{margin-top:14px;font-size:17px;color:var(--text-2);max-width:640px}
.banner .stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(130%);
}
.stat-chip b{color:var(--brand);font-weight:700;font-family:Inter,"PingFang SC",sans-serif}
@media (max-width:767px){
  .banner-inner{padding:38px 0 34px}
  .banner h1{font-size:29px}
  .banner .lede{font-size:15.5px}
}

/* ---------- 筛选行 ---------- */
.filter-bar{padding:24px 0 4px}
.filter-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}
.filter-scroll::-webkit-scrollbar{display:none}
.filter-pill{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:13.5px;
  color:var(--text-2);background:var(--glass);border:1px solid var(--line);cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-pill:hover{color:var(--text-1);border-color:rgba(255,107,74,.5)}
.filter-pill.is-on{background:var(--brand);border-color:transparent;color:var(--brand-ink);font-weight:600}

/* ---------- 卡墙 ---------- */
.wall-section{padding:26px 0 76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:25px;line-height:1.4}
.section-head .sub{font-size:14px;color:var(--text-3);margin-top:6px}
.text-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{gap:9px}
.wall-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1199.98px){.wall-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:767.98px){.wall-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
.v-card{
  position:relative;display:block;border-radius:18px;overflow:hidden;
  background:var(--bg-elev-1);border:1px solid var(--line);color:var(--text-1);
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.v-card:hover,.v-card:focus-visible{
  transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(47,227,180,.42);color:var(--text-1);
}
.v-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--bg-elev-2)}
.v-thumb img{width:100%;height:100%;object-fit:cover}
.v-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,24,0) 34%,rgba(7,12,24,.55) 62%,rgba(7,12,24,.94) 100%)}
.v-duration{
  position:absolute;top:10px;right:10px;z-index:3;
  padding:3px 9px;border-radius:999px;background:var(--accent);color:#2A0B04;
  font-size:12px;font-weight:700;font-family:Inter,"PingFang SC",sans-serif;
}
.v-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(234,241,251,.82);color:#07101F;font-size:15px;
  opacity:.8;transition:opacity .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.v-card:hover .v-play{opacity:1;box-shadow:0 0 0 4px rgba(47,227,180,.35);transform:translate(-50%,-50%) scale(1.03)}
.v-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:14px}
.v-title{font-size:15px;line-height:1.5;font-weight:600;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-meta{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:12.5px;color:var(--text-3)}
.v-tag{
  padding:2px 8px;border-radius:999px;background:var(--glass-strong);border:1px solid var(--line);
  color:var(--text-2);font-size:12px;
}
.v-fade{position:absolute;top:0;left:0;right:0;height:56px;z-index:2;background:linear-gradient(180deg,rgba(7,12,24,.55),transparent)}
.wall-foot{display:flex;justify-content:center;margin-top:34px}

/* ---------- 卖点条 ---------- */
.value-strip{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:991.98px){.value-grid{grid-template-columns:1fr}}
.value-item{
  position:relative;padding:22px;border-radius:18px;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(130%);
}
.value-item::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.value-item .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,227,180,.12);color:var(--brand);font-size:16px;margin-bottom:14px;
}
.value-item h3{font-size:17px;margin-bottom:8px}
.value-item p{font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-section{padding:76px 0;background:var(--bg-elev-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px !important;
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(14px) saturate(130%);
}
.accordion-button{
  background:transparent;color:var(--text-1);font-size:15.5px;font-weight:600;
  padding:18px 20px 18px 24px;box-shadow:none;border-radius:16px !important;
}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--text-3);width:auto;height:auto;transform:none;transition:transform .22s var(--ease),color .22s var(--ease);
}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand);box-shadow:none}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button:hover{color:var(--brand)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(47,227,180,.4)}
.accordion-item{position:relative}
.accordion-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;transition:background .22s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{background:var(--brand)}
.accordion-body{padding:0 24px 20px 24px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.accordion-collapse{transition:height .22s var(--ease)}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:76px 0}
.cta-panel{
  position:relative;overflow:hidden;border-radius:24px;padding:44px;
  background:linear-gradient(135deg,rgba(47,227,180,.12),rgba(124,107,255,.10)),var(--bg-elev-1);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-panel::before{
  content:"";position:absolute;top:0;left:44px;right:44px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
}
.cta-panel h2{font-size:26px;line-height:1.4}
.cta-panel p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-panel{padding:30px 22px;border-radius:20px}
  .cta-panel h2{font-size:22px}
}

/* ---------- 悬浮跟买胶囊 ---------- */
.buy-fab{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:flex;align-items:center;gap:12px;
  padding:10px 12px 10px 18px;border-radius:999px;
  background:rgba(13,21,38,.88);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.buy-fab.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.buy-fab span{font-size:13px;color:var(--text-2)}
.buy-fab .btn-brand{padding:9px 18px;font-size:14px}
@media (max-width:767px){
  .buy-fab{right:14px;left:14px;bottom:14px;justify-content:space-between;padding:8px 10px 8px 16px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#050A14;border-top:1px solid var(--line);padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:16px;text-decoration:none}
.footer-brand:hover{color:var(--text-1)}
.footer-desc{margin-top:14px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:400px}
.footer-col h3{font-size:14px;color:var(--text-1);margin-bottom:14px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom i{color:var(--ok);margin-right:6px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg-base:#070C18;
  --bg-elev-1:#0D1526;
  --bg-elev-2:#131E33;
  --brand:#2FE3B4;
  --brand-ink:#04241C;
  --accent:#FF6B4A;
  --accent-2:#7C6BFF;
  --text-1:#EAF1FB;
  --text-2:#A6B6CE;
  --text-3:#6C7C96;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --ok:#3FD69A;
  --warn:#FFB020;
  --danger:#FF5C7A;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(3,8,20,.45);
  --shadow-2:0 16px 40px rgba(3,8,20,.6);
  --glow:0 0 0 1px rgba(47,227,180,.55),0 10px 30px rgba(47,227,180,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-primary:#2FE3B4;
  --bs-body-bg:#070C18;
  --bs-body-color:#A6B6CE;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-border-radius:16px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-lg:22px;
  --bs-link-color:#2FE3B4;
  --bs-link-hover-color:#5CF0CB;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:hover{color:#5CF0CB}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:650;letter-spacing:-.2px}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:575.98px){.container{padding-left:18px;padding-right:18px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:transparent;
  transition:background .25s var(--ease),backdrop-filter .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.82);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  border-bottom-color:var(--line);
}
.nav-main{padding:14px 0}
.nav-main-inner{display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#19b58f);color:var(--brand-ink);
  font-size:16px;box-shadow:0 6px 18px rgba(47,227,180,.28);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:-.3px;white-space:nowrap}
.nav-search{
  flex:1 1 auto;max-width:460px;position:relative;display:flex;align-items:center;
  height:40px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:hover{border-color:rgba(47,227,180,.4)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,180,.16)}
.nav-search i{position:absolute;left:15px;color:var(--text-3);font-size:13px}
.nav-search input{
  width:100%;height:100%;background:transparent;border:0;outline:0;
  color:var(--text-1);font-size:14px;padding:0 16px 0 38px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--radius-pill);border:0;
  background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:14px;
  box-shadow:0 0 0 1px rgba(47,227,180,.5),0 10px 26px rgba(47,227,180,.24);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.btn-brand:hover{background:#4BEDC3;color:var(--brand-ink);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);font-weight:600;font-size:14px;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(47,227,180,.45);color:var(--text-1);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.nav-channels{
  border-top:1px solid var(--line);
  background:rgba(13,21,38,.55);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.channels-scroll{
  display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
}
.channels-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--radius-pill);border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;font-weight:600;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.channel-pill:hover{background:var(--glass-strong);color:var(--text-1);border-color:rgba(255,255,255,.18)}
.channel-pill.is-active{
  background:var(--brand);color:var(--brand-ink);border-color:transparent;
  box-shadow:0 0 0 1px rgba(47,227,180,.5),0 8px 22px rgba(47,227,180,.24);
}
.channel-pill.is-active:hover{color:var(--brand-ink);background:#4BEDC3}

/* ---------- hero band ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(7,12,24,1),rgba(7,12,24,.6)),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  padding:34px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 340px at 12% 8%,rgba(47,227,180,.16),transparent 68%),
             radial-gradient(520px 320px at 88% 0%,rgba(124,107,255,.14),transparent 70%);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--text-2)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);background:var(--glass);border:1px solid var(--line);
  color:var(--brand);font-size:12.5px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.5px;max-width:820px;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:660px;font-size:17px;line-height:1.75;color:var(--text-2);
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;min-width:132px;
  padding:14px 18px;border-radius:var(--radius-md);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  position:relative;
}
.stat-chip::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.stat-chip b{color:var(--text-1);font-size:20px;font-weight:700;line-height:1.3}
.stat-chip span{font-size:12.5px;color:var(--text-3)}

/* ---------- knowledge layout ---------- */
.kb-section{padding:76px 0 84px;background:var(--bg-base)}
.kb-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start}
.kb-side{position:sticky;top:132px}
.kb-side-card{
  position:relative;border-radius:var(--radius-lg);padding:20px 18px;
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow-1);
}
.kb-side-card::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.kb-side-title{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.4px;margin-bottom:14px}
.kb-side-nav{display:flex;flex-direction:column;gap:4px}
.kb-side-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  color:var(--text-2);font-size:14px;font-weight:600;border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.kb-side-link i{font-size:12px;color:var(--text-3);transition:color .2s var(--ease)}
.kb-side-link:hover{background:var(--glass-strong);color:var(--text-1)}
.kb-side-link:hover i{color:var(--brand)}
.kb-side-link.is-current{background:rgba(47,227,180,.10);color:var(--text-1);border-left-color:var(--brand)}
.kb-side-link.is-current i{color:var(--brand)}
.kb-side-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.7;color:var(--text-3);
}
.kb-main{min-width:0}
.kb-group{
  padding-bottom:40px;margin-bottom:44px;border-bottom:1px solid var(--line);
}
.kb-group:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.kb-group h2{
  font-size:26px;line-height:1.35;font-weight:650;position:relative;padding-left:16px;
}
.kb-group h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--brand);
}
.kb-lead{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:640px}
.kb-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.kb-item{
  border-radius:var(--radius-md);background:var(--glass);border:1px solid var(--line);
  overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.kb-item:hover{border-color:rgba(47,227,180,.35);background:var(--glass-strong);transform:translateY(-2px)}
.kb-item[open]{border-color:rgba(47,227,180,.45);background:rgba(47,227,180,.05)}
.kb-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:16px 18px;font-size:15.5px;font-weight:600;color:var(--text-1);
}
.kb-item summary::-webkit-details-marker{display:none}
.kb-item summary .kb-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-3);font-size:12px;font-weight:700;
}
.kb-item[open] summary .kb-idx{background:var(--brand);color:var(--brand-ink);border-color:transparent}
.kb-item summary .kb-arrow{margin-left:auto;font-size:12px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.kb-item[open] summary .kb-arrow{transform:rotate(180deg);color:var(--brand)}
.kb-answer{
  padding:0 18px 18px 58px;font-size:14.5px;line-height:1.9;color:var(--text-2);
}
.kb-answer strong{color:var(--text-1);font-weight:600}
.kb-tip{
  margin-top:12px;display:flex;gap:10px;padding:12px 14px;border-radius:12px;
  background:rgba(255,107,74,.08);border:1px solid rgba(255,107,74,.25);
  font-size:13.5px;color:var(--text-2);
}
.kb-tip i{color:var(--accent);font-size:13px;margin-top:4px}

/* ---------- faq ---------- */
.faq-section{padding:84px 0;background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--brand);letter-spacing:.4px;margin-bottom:12px;
}
.section-head h2{font-size:26px;line-height:1.35}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-2)}
.faq-wrap{max-width:900px}
.accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;margin-bottom:12px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.accordion-item:hover{border-color:rgba(47,227,180,.3)}
.accordion-button{
  background:transparent;color:var(--text-1);font-size:15.5px;font-weight:600;
  padding:17px 20px;border:0;box-shadow:none;border-radius:var(--radius-md);
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
}
.accordion-button:not(.collapsed){
  color:var(--text-1);background:rgba(47,227,180,.07);box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  background-image:none;color:var(--text-3);
  width:auto;height:auto;margin-left:auto;transition:transform .22s var(--ease),color .22s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.accordion-body{
  padding:2px 20px 20px;font-size:14.5px;line-height:1.9;color:var(--text-2);
}
.accordion-body strong{color:var(--text-1)}

/* ---------- cta ---------- */
.cta-section{padding:84px 0;background:var(--bg-base)}
.cta-panel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg-elev-2);border:1px solid var(--line);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  box-shadow:var(--shadow-1);
}
.cta-copy{padding:48px 44px}
.cta-copy h2{font-size:26px;line-height:1.35}
.cta-copy p{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-media{position:relative;min-height:280px}
.cta-media img{width:100%;height:100%;object-fit:cover}
.cta-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(19,30,51,.96),rgba(19,30,51,.18));
}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;
  border-radius:var(--radius-pill);background:var(--glass);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
}
.badge-soft i{color:var(--brand);font-size:11px}

/* ---------- footer ---------- */
.site-footer{background:#05090F;border-top:1px solid var(--line);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:16px}
.footer-brand:hover{color:var(--text-1)}
.footer-desc{margin-top:16px;max-width:420px;font-size:13.5px;line-height:1.85;color:var(--text-3)}
.footer-col h3{font-size:13.5px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom i{color:var(--brand);margin-right:6px}

/* ---------- buy dock ---------- */
.buy-dock{
  position:fixed;z-index:1050;left:50%;bottom:16px;transform:translate(-50%,120%);
  width:calc(100% - 36px);max-width:520px;
  display:flex;align-items:center;gap:14px;padding:10px 12px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(13,21,38,.86);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  box-shadow:var(--shadow-2);
  opacity:0;transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.buy-dock.is-visible{transform:translate(-50%,0);opacity:1}
.buy-dock .dock-text{flex:1 1 auto;min-width:0;font-size:12.5px;line-height:1.5;color:var(--text-2)}
.buy-dock .dock-text b{display:block;color:var(--text-1);font-size:13.5px;font-weight:600}
.btn-buy{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 20px;
  border-radius:var(--radius-pill);border:0;background:var(--accent);color:#2A0D06;
  font-weight:700;font-size:13.5px;
  box-shadow:0 0 0 1px rgba(255,107,74,.5),0 10px 26px rgba(255,107,74,.26);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.btn-buy:hover{background:#FF8264;color:#2A0D06;transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .kb-layout{grid-template-columns:232px minmax(0,1fr);gap:32px}
  .page-hero h1{font-size:36px}
}
@media (max-width:991.98px){
  .nav-search{max-width:none}
  .kb-layout{grid-template-columns:1fr;gap:26px}
  .kb-side{position:static}
  .kb-side-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:none}
  .kb-side-nav::-webkit-scrollbar{display:none}
  .kb-side-link{
    flex:0 0 auto;border-left:0;border:1px solid var(--line);border-radius:var(--radius-pill);
    padding:8px 14px;font-size:13px;
  }
  .kb-side-link.is-current{border-color:transparent;background:var(--brand);color:var(--brand-ink)}
  .kb-side-link.is-current i{color:var(--brand-ink)}
  .kb-side-note{display:none}
  .cta-panel{grid-template-columns:1fr}
  .cta-media{min-height:210px;order:-1}
  .cta-copy{padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
}
@media (max-width:767.98px){
  body{font-size:15px}
  .page-hero{padding:24px 0 46px}
  .page-hero h1{font-size:30px;line-height:1.28}
  .page-hero .hero-sub{font-size:15.5px}
  .kb-section{padding:52px 0 60px}
  .faq-section,.cta-section{padding:58px 0}
  .section-head h2,.cta-copy h2,.kb-group h2{font-size:22px}
  .kb-answer{padding:0 16px 16px 16px}
  .kb-item summary{font-size:15px;padding:15px 16px}
  .stat-chip{min-width:calc(50% - 6px)}
  .nav-main-inner{gap:12px}
  .brand-text{font-size:15px}
  .nav-search{display:none}
  .channels-scroll{height:46px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .stat-chip{min-width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .kb-item:hover,.btn-brand:hover,.btn-ghost:hover,.btn-buy:hover{transform:none!important}
}