/* roulang page: index */
:root{
  --bg:#0A0C12;
  --bg-soft:#12151E;
  --card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --coral:#FF4D2E;
  --cyan:#22E1C8;
  --purple:#B14BFF;
  --gold:#FFC53D;
  --text:#F5F7FB;
  --text-2:rgba(245,247,251,.72);
  --text-3:rgba(245,247,251,.48);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --shadow-hover:0 16px 34px rgba(0,0,0,.55);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,18,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-brand .logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--coral),var(--purple));
  display:grid;place-items:center;color:#0A0C12;font-size:15px;font-weight:700;
  box-shadow:0 6px 18px rgba(255,77,46,.32);
}
.nav-brand .logo-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:14.5px;
  color:var(--text-2);border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(34,225,200,0));
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(34,225,200,.6)}
.nav-cta{margin-left:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line-strong);
  border-radius:12px;background:rgba(26,31,43,.8);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-toggle:hover{border-color:var(--cyan)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,8,12,.66);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:296px;max-width:86vw;z-index:95;
  background:#10131C;border-left:1px solid var(--line);
  padding:22px 20px 28px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;color:var(--text-3);letter-spacing:.08em}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-close:hover{border-color:var(--cyan);color:var(--cyan)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:15px 4px;font-size:16.5px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--text-3)}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--cyan)}
.drawer-cta{margin-top:24px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:0;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--coral);color:#0A0C12;box-shadow:0 8px 22px rgba(255,77,46,.28)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(255,77,46,.46)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-light{background:#F5F7FB;color:#0A0C12}
.btn-light:hover{box-shadow:0 12px 26px rgba(245,247,251,.28)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:68px 0 60px;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero::before{content:"";position:absolute;inset:0;background:rgba(10,12,18,.87)}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 380px at 10% 16%,rgba(34,225,200,.12),transparent 70%),
    radial-gradient(560px 340px at 84% 74%,rgba(255,77,46,.12),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.hero-title{font-size:clamp(30px,4.4vw,48px);line-height:1.2;margin-bottom:16px}
.hero-title em{font-style:normal;color:var(--cyan)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:520px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;border-top:1px solid var(--line);padding-top:20px}
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-family:var(--mono);font-size:20px;font-variant-numeric:tabular-nums;color:var(--text)}
.stat span{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}

.phone-stack{display:flex;gap:18px;justify-content:flex-end}
.phone-card{
  position:relative;width:252px;aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(34,225,200,.32);
  box-shadow:0 0 0 1px rgba(34,225,200,.14),0 20px 44px rgba(0,0,0,.55);
  background:#0D1017;
}
.phone-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.phone-card .phone-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,0) 42%,rgba(10,12,18,.82))}
.phone-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,77,46,.92);color:#0A0C12;font-size:20px;
  box-shadow:0 0 0 8px rgba(255,77,46,.16);
}
.phone-dur{
  position:absolute;left:14px;top:14px;padding:4px 10px;border-radius:999px;
  background:rgba(10,12,18,.78);border:1px solid var(--line-strong);
  font-size:12.5px;color:var(--text);font-family:var(--mono);
}
.phone-caption{position:absolute;left:16px;right:16px;bottom:16px}
.phone-caption h3{font-size:15px;margin-bottom:6px}
.phone-caption p{font-size:12.5px;color:var(--text-3);margin:0}
.phone-card.small{width:196px;align-self:flex-end}

.ticker{
  margin-top:26px;display:flex;gap:12px;overflow-x:auto;padding:4px 2px 8px;
  scrollbar-width:none;
}
.ticker::-webkit-scrollbar{display:none}
.ticker-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;background:rgba(26,31,43,.86);
  border:1px solid var(--line);font-size:13px;color:var(--text-2);
}
.ticker-chip i{color:var(--gold);font-size:11px}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px)}
.sec-sub{margin-top:8px;font-size:14.5px;color:var(--text-3);max-width:660px}
.more-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;color:var(--cyan);white-space:nowrap;
}
.more-link i{transition:transform .2s var(--ease)}
.more-link:hover{text-decoration:underline;text-underline-offset:4px}
.more-link:hover i{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;line-height:1.7;border:1px solid var(--line-strong);color:var(--text-2);
}
.badge.coral{color:var(--coral);border-color:rgba(255,77,46,.42);background:rgba(255,77,46,.09)}
.badge.cyan{color:var(--cyan);border-color:rgba(34,225,200,.4);background:rgba(34,225,200,.08)}
.badge.purple{color:var(--purple);border-color:rgba(177,75,255,.42);background:rgba(177,75,255,.1)}
.badge.gold{color:var(--gold);border-color:rgba(255,197,61,.42);background:rgba(255,197,61,.1)}

/* ---------- 片段卡横滑带 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 18px;scroll-behavior:smooth}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px}
.rail-arrows{display:flex;gap:8px}
.rail-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);
  background:rgba(26,31,43,.9);color:var(--text-2);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .18s var(--ease);
}
.rail-arrow:hover{border-color:var(--cyan);color:var(--cyan)}
.rail-arrow:active{transform:translateY(1px)}
.clip-card{
  flex:0 0 250px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.clip-card:hover{transform:translateY(-2px);border-color:rgba(255,77,46,.4);box-shadow:0 0 0 1px rgba(255,77,46,.2),var(--shadow-hover)}
.clip-thumb{position:relative;aspect-ratio:9/16;background:#0D1017;overflow:hidden}
.clip-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .26s var(--ease)}
.clip-card:hover .clip-thumb img{transform:scale(1.04)}
.clip-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.06) 40%,rgba(10,12,18,.7))}
.clip-dur{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:999px;
  background:rgba(10,12,18,.82);font-size:12px;font-family:var(--mono);color:var(--text);
}
.clip-views{
  position:absolute;left:10px;top:10px;padding:3px 9px;border-radius:999px;
  background:rgba(10,12,18,.78);font-size:12px;color:var(--gold);font-family:var(--mono);
}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,77,46,.92);color:#0A0C12;font-size:17px;opacity:0;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.clip-card:hover .clip-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.clip-body{padding:14px 16px 18px}
.clip-body h3{
  font-size:15.5px;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.clip-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.clip-meta{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px}

/* ---------- 种草清单 ---------- */
.pick-list{display:grid;gap:16px}
.pick-item{
  display:grid;grid-template-columns:72px 96px 1fr auto;gap:20px;align-items:center;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 24px;transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pick-item:hover{border-color:rgba(34,225,200,.36);transform:translateY(-2px);box-shadow:var(--shadow)}
.pick-num{font-family:var(--mono);font-size:38px;font-weight:700;line-height:1;color:var(--purple)}
.pick-item:nth-child(even) .pick-num{color:var(--coral)}
.pick-thumb{width:96px;aspect-ratio:3/4;border-radius:var(--r-sm);overflow:hidden;background:#0D1017}
.pick-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.pick-body h3{font-size:17px;margin-bottom:4px}
.pick-body .pick-tagline{font-size:13px;color:var(--cyan);margin-bottom:6px}
.pick-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8}
.pick-score{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--gold);margin-top:8px}
.pick-side{display:flex;flex-direction:column;gap:10px;align-items:flex-end}

/* ---------- 口碑条 ---------- */
.voice-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 16px;scroll-snap-type:x proximity}
.voice-rail::-webkit-scrollbar{height:6px}
.voice-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.voice-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--shadow);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.voice-card:hover{border-color:rgba(177,75,255,.38);transform:translateY(-2px)}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.voice-avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:16px;color:#0A0C12;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
}
.voice-name{font-size:14.5px;font-weight:600}
.voice-game{font-size:12px;color:var(--text-3)}
.voice-stars{color:var(--gold);font-size:12px;letter-spacing:2px;margin-bottom:8px}
.voice-text{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.34);box-shadow:0 0 0 1px rgba(34,225,200,.18),var(--shadow-hover)}
.news-link{display:block;height:100%}
.news-thumb{aspect-ratio:16/9;background:#0D1017;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .26s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px}
.news-body h3{
  font-size:16.5px;line-height:1.55;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.news-meta .read{color:var(--cyan)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  background:rgba(26,31,43,.5);text-align:center;
}
.empty-state i{font-size:26px;color:var(--cyan)}
.empty-state p{color:var(--text-3);font-size:14.5px;margin:0}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.cat-card{
  display:flex;flex-direction:column;gap:10px;
  background:linear-gradient(180deg,rgba(26,31,43,.96),rgba(18,21,30,.96));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px;min-height:190px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);border-color:rgba(255,77,46,.4);box-shadow:0 0 0 1px rgba(255,77,46,.18),var(--shadow-hover)}
.cat-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,225,200,.1);border:1px solid rgba(34,225,200,.32);color:var(--cyan);
}
.cat-card h3{font-size:16px}
.cat-card p{font-size:13.5px;color:var(--text-3);margin:0;flex:1}
.cat-card .cat-more{font-size:13px;color:var(--cyan)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(34,225,200,.34)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;color:var(--text);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{color:var(--text-3);transition:transform .24s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--cyan)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{
  padding:0 22px 20px 25px;border-left:3px solid var(--cyan);
  font-size:14.5px;color:var(--text-2);background:rgba(255,255,255,.015);
}
.faq-a-inner p{margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;padding:72px 0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(255,77,46,.34),rgba(177,75,255,.22) 62%,rgba(10,12,18,.9));
}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(10,12,18,.62)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px;margin:0}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-link{color:var(--text);font-size:14.5px;text-decoration:underline;text-underline-offset:5px}
.cta-link:hover{color:var(--cyan)}

/* ---------- 页脚 ---------- */
.site-footer{background:#080A0F;border-top:1px solid var(--line);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--coral),var(--purple));color:#0A0C12;font-weight:700;font-size:14px;
}
.footer-brand span{font-weight:700;font-size:16.5px}
.footer-col h4{
  font-size:12.5px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin-bottom:16px;
}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.85}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--cyan)}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(34,225,200,.4);background:rgba(26,31,43,.92);color:var(--cyan);
  cursor:pointer;display:grid;place-items:center;font-size:15px;z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s,transform .18s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:rgba(34,225,200,.14)}
.to-top:active{transform:translateY(1px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .nav-list,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .phone-stack{justify-content:flex-start;overflow-x:auto;padding-bottom:12px}
  .phone-card{width:216px;flex:0 0 auto}
  .phone-card.small{width:186px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .pick-item{grid-template-columns:60px 84px 1fr;gap:16px}
  .pick-side{grid-column:3;align-items:flex-start;flex-direction:row;flex-wrap:wrap}
  .pick-num{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .container{padding:0 16px}
  .hero{padding:48px 0 44px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .rail-arrows{display:none}
  .news-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .voice-card{flex:0 0 264px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  h1.hero-title{font-size:28px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat b{font-size:18px}
  .cat-grid{grid-template-columns:1fr}
  .faq-q{font-size:15px;padding:16px 18px}
  .pick-item{grid-template-columns:1fr;padding:18px;gap:12px}
  .pick-num{font-size:22px}
  .pick-thumb{width:100%;aspect-ratio:16/9}
  .pick-side{grid-column:1}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF4D2E;
  --c-cyan:#22E1C8;
  --c-purple:#B14BFF;
  --c-gold:#FFC53D;
  --bg:#0A0C12;
  --bg-sec:#12151E;
  --bg-card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --text:#F5F7FB;
  --text-2:rgba(245,247,251,.72);
  --text-3:rgba(245,247,251,.48);
  --r-sm:10px;
  --r-card:16px;
  --r-clip:20px;
  --r-pill:999px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --container:1200px;
  --gap:20px;
  --sec-pad:84px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  background-image:
    radial-gradient(760px 420px at 88% 4%, rgba(34,225,200,.10), transparent 68%),
    radial-gradient(680px 400px at 4% 34%, rgba(255,77,46,.09), transparent 70%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-cyan);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;font-size:15px;font-weight:600;
  letter-spacing:.02em;transition:transform .2s ease-out,box-shadow .22s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#12060a;border-color:rgba(255,77,46,.6);}
.btn-primary:hover{color:#12060a;background:#ff6448;box-shadow:0 0 0 3px rgba(255,77,46,.18),0 12px 26px rgba(255,77,46,.3);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22);}
.btn-ghost:hover{color:var(--c-cyan);border-color:rgba(34,225,200,.55);box-shadow:0 0 0 3px rgba(34,225,200,.12);}
.btn-light{background:#F5F7FB;color:#0A0C12;border-color:rgba(255,255,255,.6);}
.btn-light:hover{color:#0A0C12;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.16);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,18,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:64px;}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-purple));
  color:#0A0C12;font-weight:800;font-size:17px;
  box-shadow:0 0 0 1px rgba(255,77,46,.3),0 0 18px rgba(255,77,46,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-cyan),rgba(34,225,200,0));
  opacity:0;transform:scaleX(.4);transform-origin:left;transition:opacity .2s ease-out,transform .2s ease-out;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link:hover::after{opacity:.8;transform:scaleX(1);}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(34,225,200,.55);}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s ease-out,opacity .2s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(18,21,30,.98);backdrop-filter:blur(12px);
}
.nav-drawer.is-open{display:block;}
.nav-drawer ul{padding:10px 24px 18px;}
.nav-drawer li{border-bottom:1px solid var(--line);}
.nav-drawer li:last-child{border-bottom:0;}
.nav-drawer a{display:block;padding:14px 2px;font-size:16px;color:var(--text-2);}
.nav-drawer a.is-active{color:#fff;text-shadow:0 0 12px rgba(34,225,200,.5);}
.nav-drawer .drawer-cta{padding:0 24px 22px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li::after{content:"/";margin-left:8px;color:rgba(245,247,251,.24);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--c-cyan);}
.crumb .current{color:var(--text-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:34px 0 var(--sec-pad);
  background-image:linear-gradient(180deg,rgba(10,12,18,.82),rgba(10,12,18,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(34,225,200,.1);border:1px solid rgba(34,225,200,.32);
  color:var(--c-cyan);font-size:13px;letter-spacing:.06em;margin-bottom:20px;
}
.eyebrow i{font-size:11px;}
.hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.2;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;min-width:118px;
  padding:12px 16px;border-radius:12px;background:rgba(26,31,43,.72);
  border:1px solid var(--line);
}
.stat-chip b{font-size:20px;font-variant-numeric:tabular-nums;color:var(--c-cyan);}
.stat-chip span{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}
.hero-visual{position:relative;}
.phone-card{
  position:relative;max-width:340px;margin-left:auto;aspect-ratio:9/16;border-radius:var(--r-clip);
  overflow:hidden;border:1px solid rgba(34,225,200,.32);
  box-shadow:0 0 0 1px rgba(34,225,200,.14),0 0 42px rgba(34,225,200,.16),var(--shadow);
}
.phone-card img{width:100%;height:100%;object-fit:cover;background:#12151E;}
.phone-card .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.1) 30%,rgba(10,12,18,.92));}
.phone-card .play{
  position:absolute;inset:auto auto 78px 50%;transform:translateX(-50%);
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,77,46,.92);color:#160709;font-size:19px;
  box-shadow:0 0 0 8px rgba(255,77,46,.14);
}
.phone-card .cap{position:absolute;left:18px;right:18px;bottom:16px;}
.phone-card .cap strong{display:block;font-size:15px;margin-bottom:4px;}
.phone-card .cap span{font-size:12.5px;color:var(--text-2);}
.phone-card .tag-top{
  position:absolute;top:14px;left:14px;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(10,12,18,.72);border:1px solid rgba(255,255,255,.14);font-size:12px;color:var(--text-2);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--bg-sec);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.sec-head .sub{margin-top:8px;color:var(--text-2);font-size:15px;max-width:640px;}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--c-cyan);white-space:nowrap;}
.sec-more i{transition:transform .2s ease-out;}
.sec-more:hover i{transform:translateX(4px);}

/* ---------- 登录方式卡 ---------- */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.method-card{
  position:relative;padding:26px 24px;border-radius:var(--r-card);background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.method-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.45);box-shadow:0 0 0 1px rgba(34,225,200,.2),0 16px 34px rgba(0,0,0,.5);}
.method-card .idx{
  position:absolute;top:18px;right:20px;font-size:36px;font-weight:800;
  color:rgba(177,75,255,.35);font-variant-numeric:tabular-nums;line-height:1;
}
.method-card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,77,46,.12);border:1px solid rgba(255,77,46,.3);color:var(--c-primary);
  font-size:18px;margin-bottom:16px;
}
.method-card h3{font-size:18px;margin-bottom:10px;}
.method-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(34,225,200,.1);border:1px solid rgba(34,225,200,.28);color:var(--c-cyan);
}
.tag-purple{background:rgba(177,75,255,.12);border-color:rgba(177,75,255,.32);color:#d9aaff;}
.tag-gold{background:rgba(255,197,61,.12);border-color:rgba(255,197,61,.32);color:var(--c-gold);}

/* ---------- 时间线步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step;}
.step{
  position:relative;padding:24px 22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(26,31,43,.95),rgba(18,21,30,.95));
  border:1px solid var(--line);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;letter-spacing:.14em;color:var(--c-cyan);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.step::after{content:"";position:absolute;left:22px;top:56px;width:32px;height:2px;border-radius:2px;background:rgba(34,225,200,.35);}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);}
.step .time{margin-top:14px;font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}

/* ---------- 竖屏瀑布流 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start;}
.flow-card{
  position:relative;border-radius:var(--r-clip);overflow:hidden;background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.flow-card:hover{transform:translateY(-2px);border-color:rgba(255,77,46,.5);box-shadow:0 0 0 1px rgba(255,77,46,.24),0 18px 36px rgba(0,0,0,.5);}
.flow-thumb{position:relative;background:#0f1219;overflow:hidden;}
.flow-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.flow-card:hover .flow-thumb img{transform:scale(1.04);}
.ratio-tall .flow-thumb{aspect-ratio:3/4.4;}
.ratio-mid .flow-thumb{aspect-ratio:3/3.6;}
.ratio-short .flow-thumb{aspect-ratio:3/2.7;}
.flow-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.05) 40%,rgba(10,12,18,.85));}
.flow-thumb .badge-time{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:var(--r-pill);
  background:rgba(10,12,18,.78);border:1px solid rgba(255,255,255,.14);
  font-size:12px;font-variant-numeric:tabular-nums;color:var(--text);
}
.flow-thumb .badge-cat{
  position:absolute;left:10px;top:10px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,77,46,.9);color:#170708;font-size:12px;font-weight:600;
}
.flow-body{padding:16px 16px 18px;}
.flow-body h3{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px;}
.flow-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.flow-meta .views{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 横滑条带 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.rail-item{flex:0 0 auto;scroll-snap-align:start;}
.rail-ctrl{display:flex;gap:10px;}
.rail-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);color:var(--text-2);
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.rail-btn:hover{color:var(--c-cyan);border-color:rgba(34,225,200,.5);background:rgba(34,225,200,.08);}
.rail-btn:active{transform:translateY(1px);}
.quote-card{
  width:300px;padding:20px;border-radius:var(--r-card);background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  font-weight:700;font-size:15px;color:#12060a;
}
.quote-top .who b{display:block;font-size:14.5px;}
.quote-top .who span{font-size:12.5px;color:var(--text-3);}
.stars{color:var(--c-gold);font-size:12px;letter-spacing:2px;}
.quote-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.quote-card .from{margin-top:12px;font-size:12.5px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-card);background:var(--bg-card);border:1px solid var(--line);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:rgba(34,225,200,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
}
.faq-q h3{font-size:17px;font-weight:600;line-height:1.55;}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:var(--text-2);font-size:13px;
  transition:transform .22s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item.is-open .sign{transform:rotate(45deg);color:var(--c-cyan);border-color:rgba(34,225,200,.5);}
.faq-a{display:none;padding:0 22px 22px;border-left:3px solid var(--c-cyan);margin-left:0;background:rgba(255,255,255,.02);}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{color:var(--text-2);font-size:15px;padding-top:4px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;padding:76px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(255,77,46,.34),rgba(177,75,255,.22)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(10,12,18,.66);}
.cta-inner{position:relative;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;}
.cta-inner p{color:rgba(245,247,251,.8);margin-bottom:28px;}
.cta-actions{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-link{font-size:14.5px;color:var(--text-2);border-bottom:1px dashed rgba(245,247,251,.3);padding-bottom:2px;}
.cta-link:hover{color:var(--c-cyan);border-color:var(--c-cyan);}

/* ---------- 页脚 ---------- */
.site-footer{background:#080A0F;border-top:1px solid var(--line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--text-2);margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col li a{font-size:14px;color:var(--text-3);}
.footer-col li a:hover{color:var(--c-cyan);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;color:var(--text);
  background:rgba(26,31,43,.92);border:1px solid rgba(34,225,200,.4);
  box-shadow:0 0 0 1px rgba(34,225,200,.12),var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--c-cyan);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:72px;}
  .flow{grid-template-columns:repeat(3,1fr);}
  .nav-list{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .logo-text{font-size:15px;}
}
@media (max-width:991px){
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .phone-card{margin:0 auto;}
  .method-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  .hero{padding-top:22px;}
  .hero-sub{font-size:16px;}
  .stat-chip{min-width:104px;padding:10px 14px;}
  .stat-chip b{font-size:18px;}
  .method-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step::after{display:none;}
  .flow{grid-template-columns:1fr 1fr;gap:14px;}
  .flow-body{padding:12px 12px 14px;}
  .flow-body h3{font-size:14px;}
  .sec-head{margin-bottom:24px;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .to-top{right:14px;bottom:16px;}
}
@media (max-width:519px){
  body{font-size:15.5px;}
  .logo-text{font-size:14.5px;white-space:normal;line-height:1.3;max-width:150px;}
  .flow{grid-template-columns:1fr;}
  .ratio-tall .flow-thumb{aspect-ratio:3/3.6;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .quote-card{width:250px;}
}

/* roulang page: article */
:root{
  --bg:#0A0C12;
  --bg-soft:#12151E;
  --card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --red:#FF4D2E;
  --cyan:#22E1C8;
  --purple:#B14BFF;
  --gold:#FFC53D;
  --text:#F5F7FB;
  --text-2:rgba(245,247,251,.72);
  --text-3:rgba(245,247,251,.48);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --shadow-soft:0 6px 18px rgba(0,0,0,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:200ms;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),border-color var(--t) var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,225,200,.28)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:1140px}
.tnum{font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,18,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.nav-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:#0A0C12;
  background:linear-gradient(135deg,var(--red),var(--purple));
  box-shadow:0 0 18px rgba(255,77,46,.35);
}
.logo-text{font-size:16px;font-weight:600;letter-spacing:.3px;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 0;font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--cyan)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(34,225,200,0));
  box-shadow:0 0 12px rgba(34,225,200,.6);
}
.nav-link.is-active{text-shadow:0 0 14px rgba(34,225,200,.45)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle:hover span{background:var(--cyan)}
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);z-index:80;
  background:#0C0F17;border-left:1px solid var(--line);
  padding:22px 20px 30px;
  transform:translateX(102%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;gap:6px;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);font-size:18px;color:var(--text-2)}
.drawer-close:hover{color:var(--cyan);border-color:rgba(34,225,200,.5)}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;gap:10px;
  padding:14px 12px;border-radius:12px;font-size:17px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.drawer-link::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);opacity:.75;flex:0 0 auto;
}
.nav-drawer a.drawer-link:hover,.nav-drawer a.drawer-link.is-active{background:rgba(34,225,200,.08);color:var(--text)}
.drawer-cta{margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
  border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--red);color:#0A0C12;box-shadow:0 8px 22px rgba(255,77,46,.3)}
.btn-primary:hover{background:#ff6448;box-shadow:0 10px 26px rgba(255,77,46,.42)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:rgba(34,225,200,.55);color:var(--cyan)}
.btn-light{background:#F5F7FB;color:#0A0C12}
.btn-light:hover{background:#fff;box-shadow:0 10px 26px rgba(255,255,255,.18)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;line-height:1.6;
  border:1px solid var(--line-strong);color:var(--text-2);
  background:rgba(255,255,255,.03);white-space:nowrap;
}
.badge-cyan{color:var(--cyan);border-color:rgba(34,225,200,.35);background:rgba(34,225,200,.08)}
.badge-red{color:#ffb9a8;border-color:rgba(255,77,46,.38);background:rgba(255,77,46,.1)}
.badge-purple{color:#dcc0ff;border-color:rgba(177,75,255,.38);background:rgba(177,75,255,.12)}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg-soft)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(245,247,251,.28)}
.breadcrumb .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;
  padding:44px 0 40px;
  background:
    radial-gradient(760px 320px at 12% 0%,rgba(34,225,200,.1),transparent 70%),
    radial-gradient(680px 300px at 88% 18%,rgba(255,77,46,.1),transparent 72%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.article-head-inner{max-width:900px}
.article-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.28;font-weight:700;
  margin:16px 0 18px;letter-spacing:.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--text-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:rgba(34,225,200,.8);font-size:12px}
.article-cover{
  margin:30px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--card);
  box-shadow:var(--shadow);position:relative;
}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
.article-cover figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line);background:rgba(0,0,0,.24);
}

/* ---------- 主体布局 ---------- */
.article-main{padding:52px 0 0}
.article-grid{margin-bottom:0}
.side-cell{margin-top:36px}

.article-body{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 36px 30px;
  box-shadow:var(--shadow-soft);
}

/* 正文排版 */
.prose{font-size:16px;line-height:1.9;color:var(--text-2)}
.prose>*+*{margin-top:16px}
.prose p{font-size:16px;line-height:1.9;color:var(--text-2)}
.prose h2{
  position:relative;margin-top:40px;padding-left:16px;
  font-size:clamp(20px,2.3vw,26px);line-height:1.4;color:var(--text);font-weight:700;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),rgba(34,225,200,.1));
  box-shadow:0 0 12px rgba(34,225,200,.5);
}
.prose h3{margin-top:28px;font-size:18px;line-height:1.5;color:var(--text);font-weight:600}
.prose h4{margin-top:22px;font-size:16px;color:var(--text);font-weight:600}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(34,225,200,.4)}
.prose a:hover{color:#7ff5e4;border-bottom-color:#7ff5e4}
.prose strong{color:var(--text)}
.prose blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--cyan);
  background:rgba(34,225,200,.06);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:15.5px;
}
.prose blockquote p{color:var(--text-2);font-size:15.5px}
.prose ul,.prose ol{margin:16px 0;padding-left:4px}
.prose ul li,.prose ol li{position:relative;padding-left:20px;margin:9px 0;color:var(--text-2)}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(34,225,200,.65);
}
.prose ol{counter-reset:plist}
.prose ol li::before{
  counter-increment:plist;content:counter(plist,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--mono);font-size:12.5px;
  color:var(--purple);font-weight:600;letter-spacing:.5px;
}
.prose img{border-radius:14px;margin:22px 0 8px;border:1px solid var(--line)}
.prose figure{margin:22px 0}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.prose table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
  background:rgba(0,0,0,.22);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.prose table th,.prose table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;color:var(--text-2)}
.prose table th{color:var(--text);background:rgba(255,255,255,.04);font-weight:600}
.prose table tr:last-child td{border-bottom:0}
.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.02);border:1px dashed var(--line-strong);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:700;color:var(--red);
  border:1px solid rgba(255,77,46,.5);background:rgba(255,77,46,.08);
  box-shadow:0 0 22px rgba(255,77,46,.2);
}
.empty-state h2{font-size:20px;color:var(--text);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-3);max-width:46ch;margin:0 auto 22px}

/* 翻页 */
.pager{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px;
}
.pager-card{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.45);box-shadow:0 0 0 1px rgba(34,225,200,.18),var(--shadow)}
.pager-card span{display:block;font-size:12.5px;letter-spacing:1px;color:var(--text-3);margin-bottom:6px}
.pager-card strong{display:block;font-size:16px;color:var(--text);font-weight:600}
.pager-card p{font-size:13.5px;color:var(--text-3);margin-top:6px}
.pager-card.is-next{text-align:right}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 20px 18px;margin-bottom:20px;box-shadow:var(--shadow-soft);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;color:var(--text-3);
  text-transform:none;margin-bottom:14px;
}
.side-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:0 0 10px rgba(34,225,200,.6)}
.toc-list li{margin:2px 0}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.55;
}
.toc-list a:hover{background:rgba(34,225,200,.08);color:var(--text)}
.toc-list a.is-current{color:var(--cyan);border-left-color:var(--cyan);background:rgba(34,225,200,.09)}
.toc-list li.is-sub a{padding-left:22px;font-size:13px;color:var(--text-3)}
.toc-empty{font-size:13.5px;color:var(--text-3)}
.side-links li+li{border-top:1px solid var(--line)}
.side-links a{display:block;padding:12px 2px;font-size:14.5px;color:var(--text-2);line-height:1.6}
.side-links a:hover{color:var(--cyan)}
.side-links span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}

/* ---------- 相关横滑 ---------- */
.strip-section{padding:56px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}
.section-head h2{font-size:clamp(20px,2.4vw,26px);color:var(--text)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.link-arrow{font-size:14px;color:var(--text-2);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-arrow:hover{color:var(--cyan)}
.link-arrow i{font-size:12px}
.strip{
  display:flex;gap:18px;overflow-x:auto;padding:4px 2px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.strip::-webkit-scrollbar{height:6px}
.strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.strip-card{
  flex:0 0 264px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.strip-card:hover{transform:translateY(-2px);border-color:rgba(255,77,46,.45);box-shadow:0 0 0 1px rgba(255,77,46,.2),var(--shadow)}
.strip-thumb{position:relative;background:#0C0F17;aspect-ratio:9/12;overflow:hidden}
.strip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.strip-card:hover .strip-thumb img{transform:scale(1.04)}
.strip-duration{
  position:absolute;right:10px;bottom:10px;font-size:12px;padding:2px 8px;border-radius:6px;
  background:rgba(0,0,0,.7);color:var(--text);font-family:var(--mono);
}
.strip-tag{position:absolute;left:10px;top:10px}
.strip-info{padding:14px 16px 16px}
.strip-info h3{font-size:15.5px;line-height:1.55;color:var(--text);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.strip-info p{font-size:13px;color:var(--text-3);margin-top:8px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-section{padding:56px 0 0}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item.is-open{border-color:rgba(34,225,200,.4);box-shadow:0 0 0 1px rgba(34,225,200,.15)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  min-height:44px;
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{font-size:13px;color:var(--text-3);transition:transform var(--t) var(--ease),color var(--t) var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--cyan)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);
  background:rgba(255,255,255,.02);
}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 22px 20px;border-left:3px solid rgba(34,225,200,.55);margin-left:22px;padding-left:18px}
.faq-a-inner p{font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-section{padding:64px 0 0}
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(255,77,46,.32),rgba(177,75,255,.22) 55%,rgba(10,12,18,.9)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:56px 44px;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.35),rgba(10,12,18,.82));
}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);line-height:1.35;color:#fff;margin-bottom:14px}
.cta-inner p{font-size:15.5px;color:rgba(245,247,251,.82);margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-note{font-size:13.5px;color:rgba(245,247,251,.66)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:44ch}
.footer-col h4{font-size:13px;letter-spacing:1.6px;color:var(--text-3);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(26,31,43,.92);border:1px solid var(--line-strong);
  color:var(--text-2);box-shadow:var(--shadow-soft);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--cyan);border-color:rgba(34,225,200,.5)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media screen and (max-width:991px){
  .nav-list{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .article-body{padding:26px 22px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-cover img{aspect-ratio:16/9}
}
@media screen and (max-width:767px){
  .container{padding:0 16px}
  .article-head{padding:32px 0 28px}
  .article-main{padding:36px 0 0}
  .pager{grid-template-columns:1fr}
  .pager-card.is-next{text-align:left}
  .cta-banner{padding:38px 22px}
  .strip-card{flex:0 0 232px}
  .site-footer{margin-top:56px}
  .strip-section,.faq-section{padding-top:44px}
}
@media screen and (max-width:575px){
  body{font-size:15.5px}
  .logo-text{font-size:15px}
  .article-title{font-size:24px}
  .article-meta{gap:8px 14px}
  .article-body{padding:22px 16px 20px}
  .prose,.prose p{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .to-top{right:14px;bottom:16px;width:42px;height:42px}
  .badge{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0C12;
  --bg-block:#12151E;
  --card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --coral:#FF4D2E;
  --cyan:#22E1C8;
  --purple:#B14BFF;
  --gold:#FFC53D;
  --text:#F5F7FB;
  --text-2:rgba(245,247,251,.72);
  --text-3:rgba(245,247,251,.48);
  --r-card:16px;
  --r-clip:20px;
  --r-img:14px;
  --r-btn:999px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --space:80px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.4px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px;}
.btn-primary{background:var(--coral);color:#12060A;box-shadow:0 8px 22px rgba(255,77,46,.28);}
.btn-primary:hover{background:#FF6448;box-shadow:0 10px 28px rgba(255,77,46,.42);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(34,225,200,.5);}
.btn-ghost:hover{background:rgba(34,225,200,.1);border-color:var(--cyan);color:var(--cyan);}
.btn-dark{background:#0A0C12;color:var(--cyan);border-color:rgba(34,225,200,.55);}
.btn-dark:hover{background:#11151F;box-shadow:0 0 0 1px rgba(34,225,200,.4);}
.btn:active{transform:translateY(1px);}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:12.5px;line-height:1.6;letter-spacing:.4px;
  color:var(--cyan);background:rgba(34,225,200,.1);
  border:1px solid rgba(34,225,200,.28);
}
.tag-purple{color:#D9B3FF;background:rgba(177,75,255,.12);border-color:rgba(177,75,255,.32);}
.tag-gold{color:var(--gold);background:rgba(255,197,61,.1);border-color:rgba(255,197,61,.3);}
.badge-num{
  font-variant-numeric:tabular-nums;
  font-weight:700;color:var(--text);
  font-size:clamp(20px,2.4vw,26px);line-height:1.2;
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:64px;}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--coral),var(--purple));
  color:#0A0C12;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(255,77,46,.35),0 6px 16px rgba(177,75,255,.25);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.6px;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--cyan);background:rgba(34,225,200,.07);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  box-shadow:0 0 10px rgba(34,225,200,.65);
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:66px 0 72px;
  background:
    radial-gradient(680px 320px at 12% 8%, rgba(34,225,200,.12), transparent 65%),
    radial-gradient(620px 340px at 92% 82%, rgba(255,77,46,.12), transparent 68%),
    linear-gradient(rgba(10,12,18,.86),rgba(10,12,18,.95)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb span.sep{color:rgba(245,247,251,.28);}
.breadcrumb strong{color:var(--text-2);font-weight:500;}
.hero .grid-x{margin-left:-12px;margin-right:-12px;}
.hero .cell{padding-left:12px;padding-right:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);box-shadow:0 0 8px rgba(34,225,200,.7);}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.2;letter-spacing:.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--coral);}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-chip{
  min-width:118px;padding:12px 16px;border-radius:12px;
  background:rgba(26,31,43,.72);border:1px solid var(--line);
}
.stat-chip b{display:block;font-size:21px;font-variant-numeric:tabular-nums;color:var(--text);line-height:1.3;}
.stat-chip span{font-size:12.5px;color:var(--text-3);letter-spacing:.4px;}

/* Hero 竖屏卡 */
.hero-visual{position:relative;}
.phone-card{
  position:relative;max-width:302px;margin:0 auto;
  aspect-ratio:9/16;border-radius:var(--r-clip);overflow:hidden;
  border:1px solid rgba(34,225,200,.35);
  box-shadow:0 18px 46px rgba(0,0,0,.6),0 0 0 1px rgba(34,225,200,.14),0 0 46px rgba(34,225,200,.16);
  background:#0E1119;
}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.phone-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.15) 0%,rgba(10,12,18,.1) 45%,rgba(10,12,18,.92) 100%);
}
.play-dot{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:62px;height:62px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,77,46,.92);color:#12060A;font-size:20px;
  box-shadow:0 0 0 8px rgba(255,77,46,.18);
}
.dur-chip{
  position:absolute;top:14px;right:14px;
  padding:3px 10px;border-radius:8px;font-size:12.5px;
  background:rgba(10,12,18,.78);color:var(--text);
  font-variant-numeric:tabular-nums;border:1px solid var(--line);
}
.phone-caption{
  position:absolute;left:16px;right:16px;bottom:16px;color:var(--text);
}
.phone-caption h3{font-size:16px;margin-bottom:6px;}
.phone-caption p{font-size:12.5px;color:var(--text-2);margin:0;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--space) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--text-3);font-size:14.5px;margin:8px 0 0;max-width:640px;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--cyan);white-space:nowrap;
}
.more-link i{transition:transform var(--ease);}
.more-link:hover i{transform:translateX(4px);}
.block-dark{background:var(--bg-block);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 双栏布局 ---------- */
.split .grid-x{margin-left:-12px;margin-right:-12px;}
.split .cell{padding-left:12px;padding-right:12px;}
.side-panel{
  position:sticky;top:88px;
  padding:26px 24px;border-radius:var(--r-card);
  background:var(--bg-block);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.side-panel h2{font-size:20px;margin-bottom:12px;}
.side-panel > p{font-size:14.5px;color:var(--text-2);}
.index-list{margin:22px 0 24px;border-top:1px solid var(--line);}
.index-list li{border-bottom:1px solid var(--line);}
.index-list a{
  display:flex;align-items:center;gap:12px;
  padding:13px 2px;font-size:14.5px;color:var(--text-2);
}
.index-list a:hover{color:var(--cyan);}
.index-list .idx{
  font-variant-numeric:tabular-nums;font-size:13px;color:var(--purple);
  min-width:24px;font-weight:700;
}
.side-note{
  font-size:13px;color:var(--text-3);line-height:1.75;
  padding:14px 16px;border-radius:12px;
  background:rgba(34,225,200,.06);border:1px solid rgba(34,225,200,.18);
}

/* ---------- 纵向清单卡 ---------- */
.clip-list{display:flex;flex-direction:column;gap:20px;}
.list-card{
  display:grid;grid-template-columns:132px 1fr auto;gap:22px;align-items:center;
  padding:20px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.list-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,225,200,.45);
  box-shadow:0 14px 34px rgba(0,0,0,.55),0 0 0 1px rgba(34,225,200,.2);
}
.list-thumb{
  position:relative;width:132px;aspect-ratio:3/4;border-radius:var(--r-img);
  overflow:hidden;background:#0E1119;border:1px solid var(--line);
}
.list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.list-card:hover .list-thumb img{transform:scale(1.05);}
.list-thumb .t-dur{
  position:absolute;right:8px;bottom:8px;
  padding:2px 8px;border-radius:6px;font-size:12px;
  background:rgba(10,12,18,.82);font-variant-numeric:tabular-nums;
}
.list-main h3{font-size:19px;margin-bottom:8px;}
.list-main h3 a:hover{color:var(--cyan);}
.list-main p{font-size:14.5px;color:var(--text-2);margin-bottom:10px;}
.list-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--text-3);}
.list-meta .dot{color:rgba(245,247,251,.24);}
.list-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;min-width:150px;}
.rank-no{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--purple);line-height:1;
}
.list-card:nth-child(even) .rank-no{color:var(--coral);}
.score{font-size:13px;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:1px;}

/* ---------- 横滑片段带 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(34,225,200,.4) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(34,225,200,.35);border-radius:6px;}
.clip-card{
  flex:0 0 250px;scroll-snap-align:start;
  border-radius:var(--r-clip);overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.clip-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,225,200,.45);
  box-shadow:0 14px 34px rgba(0,0,0,.55),0 0 0 1px rgba(34,225,200,.2);
}
.clip-media{position:relative;aspect-ratio:9/16;overflow:hidden;background:#0E1119;}
.clip-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.clip-card:hover .clip-media img{transform:scale(1.04);}
.clip-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.05) 40%,rgba(10,12,18,.88) 100%);
}
.clip-badge{position:absolute;top:12px;left:12px;z-index:2;}
.clip-dur{
  position:absolute;top:12px;right:12px;z-index:2;
  padding:2px 9px;border-radius:7px;font-size:12px;
  background:rgba(10,12,18,.8);font-variant-numeric:tabular-nums;border:1px solid var(--line);
}
.clip-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:2;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,77,46,.9);color:#12060A;font-size:15px;
  opacity:.9;transition:opacity var(--ease),transform var(--ease);
}
.clip-card:hover .clip-play{opacity:1;transform:translate(-50%,-50%) scale(1.08);}
.clip-body{padding:14px 16px 18px;}
.clip-body h3{font-size:16px;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-body .clip-meta{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--card);border:1px solid var(--line);color:var(--text-2);cursor:pointer;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.rail-btn:hover{color:var(--cyan);border-color:rgba(34,225,200,.5);background:#1E2432;}
.rail-btn:active{transform:translateY(1px);}

/* ---------- 口碑条 ---------- */
.voice-rail{
  display:flex;gap:18px;overflow-x:auto;padding:6px 2px 16px;
  scroll-snap-type:x mandatory;
}
.voice-card{
  flex:0 0 274px;scroll-snap-align:start;
  padding:18px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.voice-card:hover{border-color:rgba(177,75,255,.4);transform:translateY(-2px);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#0A0C12;font-size:16px;flex-shrink:0;
}
.av-1{background:linear-gradient(135deg,#22E1C8,#4FA8FF);}
.av-2{background:linear-gradient(135deg,#FF4D2E,#FFC53D);}
.av-3{background:linear-gradient(135deg,#B14BFF,#22E1C8);}
.av-4{background:linear-gradient(135deg,#FFC53D,#B14BFF);}
.voice-name{font-size:14.5px;font-weight:600;}
.voice-stars{font-size:12px;color:var(--gold);letter-spacing:1px;}
.voice-card p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  position:relative;padding:26px 24px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.35);}
.step-no{
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--cyan);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item:hover{border-color:rgba(34,225,200,.3);}
.faq-item.is-open{border-color:rgba(34,225,200,.42);background:#1E2432;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--purple));
  opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q i{color:var(--cyan);font-size:14px;transition:transform var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:64px 0;margin-top:8px;
  background:
    linear-gradient(120deg,rgba(255,77,46,.42),rgba(177,75,255,.28) 62%,rgba(10,12,18,.9)),
    linear-gradient(rgba(10,12,18,.72),rgba(10,12,18,.86)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  border-top:1px solid rgba(255,77,46,.22);
  border-bottom:1px solid var(--line);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px;margin:0;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-actions .btn-white{background:#F5F7FB;color:#12060A;}
.cta-actions .btn-white:hover{background:#fff;box-shadow:0 10px 28px rgba(255,255,255,.22);}
.cta-link{font-size:14.5px;color:var(--cyan);border-bottom:1px solid rgba(34,225,200,.5);padding-bottom:2px;}
.cta-link:hover{color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0C0F16;border-top:1px solid var(--line);padding:58px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-col h4{font-size:13px;letter-spacing:1.6px;color:var(--text-3);font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(26,31,43,.92);border:1px solid var(--line);color:var(--cyan);
  cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);border-color:rgba(34,225,200,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space:72px;}
  .list-card{grid-template-columns:120px 1fr;}
  .list-thumb{width:120px;}
  .list-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;min-width:0;}
}
@media (max-width:1024px){
  .nav-list{
    position:fixed;top:64px;left:0;right:0;bottom:0;z-index:59;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:18px 16px 130px;
    background:rgba(10,12,18,.97);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transform:translateX(100%);transition:transform 260ms ease-out;
    overflow-y:auto;
  }
  .nav-list.is-open{transform:translateX(0);}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;font-size:19px;padding:17px 6px;border-radius:0;}
  .nav-link.is-active::after{left:6px;right:auto;width:32px;bottom:8px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .hero{padding:44px 0 54px;}
  .hero-visual{margin-top:38px;}
  .split .side-panel{position:static;margin-bottom:28px;}
  .steps{grid-template-columns:1fr;}
  .clip-card{flex:0 0 220px;}
}
@media (max-width:768px){
  :root{--space:52px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-stats{gap:10px;}
  .stat-chip{flex:1 1 44%;min-width:0;padding:10px 14px;}
  .section-head{margin-bottom:24px;}
  .list-card{grid-template-columns:96px 1fr;gap:14px;padding:16px;}
  .list-thumb{width:96px;}
  .list-main h3{font-size:16.5px;}
  .list-side{gap:10px;}
  .list-side .btn{width:100%;}
  .rank-no{font-size:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .rail-btn{display:none;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .stat-chip{flex:1 1 100%;}
  .clip-card{flex:0 0 190px;}
  .voice-card{flex:0 0 240px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .phone-card{max-width:250px;}
  .logo-text{font-size:15px;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0C12;
  --panel:#12151E;
  --card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --ink:#F5F7FB;
  --ink-2:rgba(245,247,251,.72);
  --ink-3:rgba(245,247,251,.48);
  --coral:#FF4D2E;
  --cyan:#22E1C8;
  --purple:#B14BFF;
  --gold:#FFC53D;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --sec:84px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink-2);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink);}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
h3{font-size:19px;line-height:1.45;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.section{padding:var(--sec) 0;}
.section--panel{background:var(--panel);}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head p{margin:6px 0 0;color:var(--ink-2);font-size:15px;}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);white-space:nowrap;}
.more-link::after{content:"→";transition:transform .2s var(--ease);}
.more-link:hover::after{transform:translateX(4px);}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,12,18,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;height:64px;}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--coral),var(--purple));
  color:#0A0C12;font-weight:800;font-size:17px;
  box-shadow:0 0 18px rgba(255,77,46,.35);
}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.02em;}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 0 0 8px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;
  color:var(--ink-2);border-radius:8px;
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--ink);text-shadow:0 0 14px rgba(34,225,200,.55);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);
}
.nav-cta{margin-left:auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:58;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:60;
  background:#0F1219;border-left:1px solid var(--line-2);
  padding:22px 22px 30px;transform:translateX(105%);
  transition:transform .28s var(--ease);overflow-y:auto;
  display:flex;flex-direction:column;gap:8px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{background:none;border:1px solid var(--line-2);color:var(--ink-2);width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:18px;}
.drawer-link{display:block;padding:14px 12px;font-size:17px;color:var(--ink-2);border-bottom:1px solid var(--line);border-radius:8px;}
.drawer-link.is-active{color:var(--cyan);}
.drawer-cta{margin-top:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--coral);color:#0A0C12;box-shadow:0 8px 22px rgba(255,77,46,.3);}
.btn-primary:hover{color:#0A0C12;background:#ff6446;box-shadow:0 10px 26px rgba(255,77,46,.45);}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--ink);}
.btn-ghost:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 1px rgba(34,225,200,.25);}
.btn-light{background:#F5F7FB;color:#0A0C12;}
.btn-light:hover{background:#fff;color:#0A0C12;box-shadow:0 10px 24px rgba(0,0,0,.35);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-size:12.5px;line-height:1.7;
  background:rgba(255,77,46,.14);color:#FF8B72;border:1px solid rgba(255,77,46,.28);
}
.tag--cyan{background:rgba(34,225,200,.12);color:#7bf0e0;border-color:rgba(34,225,200,.28);}
.tag--purple{background:rgba(177,75,255,.14);color:#d2a4ff;border-color:rgba(177,75,255,.3);}
.tag--gold{background:rgba(255,197,61,.13);color:#ffd977;border-color:rgba(255,197,61,.3);}
.stars{color:var(--gold);letter-spacing:2px;font-size:13px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:70px 0 76px;
  background:#0A0C12;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.82),rgba(10,12,18,.94)),url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.9;
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-140px;top:-200px;
  background:radial-gradient(circle,rgba(34,225,200,.12),transparent 68%);
  pointer-events:none;
}
.hero-row{position:relative;z-index:2;}
.hero-copy{padding-right:24px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--cyan);letter-spacing:.12em;margin-bottom:16px;}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px;}
.hero-copy h1{margin-bottom:16px;}
.hero-copy h1 em{font-style:normal;color:var(--coral);}
.hero-sub{font-size:16.5px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-badge{
  flex:1 1 120px;padding:12px 14px;border-radius:var(--r-img);
  background:rgba(26,31,43,.72);border:1px solid var(--line);
}
.hero-badge b{display:block;font-family:var(--mono);font-size:20px;color:var(--ink);}
.hero-badge span{font-size:12.5px;color:var(--ink-3);}

.hero-visual{position:relative;padding-left:24px;}
.screen-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(34,225,200,.35);
  box-shadow:0 0 0 1px rgba(34,225,200,.12),0 18px 46px rgba(0,0,0,.55);
  aspect-ratio:9/16;max-width:340px;margin-left:auto;background:#1A1F2B;
}
.screen-card img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.screen-card .screen-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.15) 0%,rgba(10,12,18,.2) 42%,rgba(10,12,18,.92) 100%);
}
.screen-top{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;gap:10px;}
.screen-bottom{position:absolute;left:14px;right:14px;bottom:14px;}
.screen-bottom h3{font-size:16px;margin:8px 0 6px;}
.screen-bottom p{font-size:13px;color:var(--ink-2);margin:0;}
.marquee{
  margin-top:14px;display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;
}
.marquee::-webkit-scrollbar{display:none;}
.marquee span{
  flex:0 0 auto;padding:6px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(26,31,43,.85);border:1px solid var(--line);color:var(--ink-2);
}
.play-dot{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,77,46,.9);color:#0A0C12;font-size:15px;
  box-shadow:0 0 22px rgba(255,77,46,.5);
}

/* ============ 榜单 ============ */
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:flex;align-items:center;gap:20px;padding:20px 4px;
  border-bottom:1px solid var(--line);transition:background .2s var(--ease);
}
.rank-row:hover{background:rgba(255,255,255,.025);}
.rank-no{
  flex:0 0 62px;font-family:var(--mono);font-size:32px;font-weight:700;line-height:1;
  color:var(--purple);opacity:.85;
}
.rank-row:nth-child(even) .rank-no{color:var(--coral);}
.rank-thumb{
  flex:0 0 72px;width:72px;height:72px;border-radius:var(--r-img);overflow:hidden;
  background:#1A1F2B;border:1px solid var(--line);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-body h3{font-size:17px;margin-bottom:4px;}
.rank-body p{font-size:14px;color:var(--ink-3);margin:0 0 8px;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;}
.rank-side{
  flex:0 0 150px;text-align:right;display:flex;flex-direction:column;gap:6px;align-items:flex-end;
}
.rank-time{font-family:var(--mono);font-size:15px;color:var(--cyan);}
.rank-score{font-family:var(--mono);font-size:13px;color:var(--ink-3);}

/* ============ 横滑片段卡 ============ */
.clip-strip{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.clip-strip::-webkit-scrollbar{height:6px;}
.clip-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.clip-card{
  flex:0 0 248px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:12px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.clip-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.4);box-shadow:var(--shadow),0 0 0 1px rgba(34,225,200,.2);}
.clip-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:9/16;background:#0F1219;}
.clip-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.clip-card:hover .clip-media img{transform:scale(1.04);}
.clip-media .badge{
  position:absolute;left:10px;bottom:10px;font-family:var(--mono);font-size:12px;
  padding:2px 8px;border-radius:8px;background:rgba(10,12,18,.75);color:var(--ink);
}
.clip-media .views{
  position:absolute;right:10px;bottom:10px;font-size:12px;font-family:var(--mono);
  padding:2px 8px;border-radius:8px;background:rgba(10,12,18,.75);color:var(--ink-2);
}
.clip-card h3{font-size:15.5px;margin:12px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-card .clip-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;}

/* ============ 口碑条 ============ */
.voice-strip{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;}
.voice-strip::-webkit-scrollbar{height:6px;}
.voice-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.voice-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;color:#0A0C12;background:linear-gradient(135deg,var(--cyan),var(--purple));
  flex:0 0 40px;
}
.voice-head b{font-size:14.5px;display:block;}
.voice-head small{font-size:12px;color:var(--ink-3);}
.voice-card p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 场景卡 ============ */
.scene-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:rgba(177,75,255,.4);box-shadow:var(--shadow);}
.scene-card h3{margin-bottom:10px;}
.scene-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:12px;}
.scene-card ul li{font-size:14px;color:var(--ink-3);padding-left:16px;position:relative;margin-bottom:6px;}
.scene-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.scene-num{font-family:var(--mono);font-size:13px;color:var(--purple);letter-spacing:.14em;display:block;margin-bottom:10px;}

/* ============ 提醒表单 ============ */
.subscribe{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;display:flex;gap:32px;align-items:center;flex-wrap:wrap;
}
.subscribe-copy{flex:1 1 320px;}
.subscribe-copy h2{margin-bottom:10px;}
.subscribe-copy p{font-size:15px;color:var(--ink-2);margin:0;}
.subscribe-form{flex:1 1 420px;display:flex;gap:12px;flex-wrap:wrap;}
.field{flex:1 1 180px;display:flex;flex-direction:column;gap:6px;}
.field label{font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;}
.field input,.field select{
  height:48px;border-radius:12px;padding:0 14px;font-size:15px;
  background:#0F1219;border:1px solid var(--line-2);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,225,200,.16);outline:none;}
.form-note{flex:1 0 100%;font-size:13px;color:var(--ink-3);}
.form-msg{flex:1 0 100%;font-size:14px;color:var(--cyan);display:none;}
.form-msg.is-show{display:block;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  color:var(--ink);font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--cyan);}
.faq-q i{font-style:normal;color:var(--cyan);font-size:20px;transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 20px 22px;font-size:15px;color:var(--ink-2);
  border-left:3px solid var(--cyan);margin-left:22px;padding-left:18px;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:52px 40px;border:1px solid var(--line-2);
  background:linear-gradient(120deg,rgba(255,77,46,.9),rgba(177,75,255,.72));
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.55),rgba(10,12,18,.72)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.55;
}
.cta-inner{position:relative;z-index:2;display:flex;gap:28px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.82);margin:0;font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;}
.cta-actions a.link-plain{color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:15px;}
.cta-actions a.link-plain:hover{color:#0A0C12;}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);padding:20px 0 0;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{opacity:.5;}

/* ============ 页脚 ============ */
.site-footer{background:#080A0F;border-top:1px solid var(--line);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--ink-3);margin:0;line-height:1.85;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:var(--ink-3);margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--ink-2);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.back-top{
  position:fixed;right:22px;bottom:22px;z-index:40;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(26,31,43,.92);border:1px solid var(--line-2);color:var(--ink-2);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease),color .2s var(--ease);
}
.back-top.is-show{opacity:1;visibility:visible;}
.back-top:hover{color:var(--cyan);border-color:var(--cyan);}

/* ============ 断点 ============ */
@media (max-width:1199px){
  .rank-side{flex:0 0 130px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .nav-list,.nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero{padding:52px 0 60px;}
  .hero-copy{padding-right:0;margin-bottom:36px;}
  .hero-visual{padding-left:0;}
  .screen-card{margin:0 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .subscribe{padding:26px;}
}
@media (max-width:767px){
  :root{--sec:52px;}
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 16px;}
  .hero-badges{gap:10px;}
  .hero-badge{flex:1 1 calc(50% - 10px);}
  .rank-row{flex-wrap:wrap;gap:14px;padding:18px 2px;}
  .rank-no{flex:0 0 48px;font-size:26px;}
  .rank-thumb{flex:0 0 60px;width:60px;height:60px;}
  .rank-body{flex:1 1 100%;}
  .rank-side{flex:1 1 100%;align-items:flex-start;text-align:left;flex-direction:row;gap:14px;}
  .clip-card{flex:0 0 208px;}
  .voice-card{flex:0 0 262px;}
  .cta-band{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .back-top{right:14px;bottom:14px;}
}
@media (max-width:519px){
  h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .btn{min-height:44px;padding:0 18px;font-size:14.5px;}
  .btn-row .btn{flex:1 1 100%;}
  .rank-no{font-size:22px;flex:0 0 42px;}
  .clip-card{flex:0 0 180px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#FF4D2E;
  --c-primary-dim:rgba(255,77,46,.18);
  --c-cyan:#22E1C8;
  --c-cyan-dim:rgba(34,225,200,.16);
  --c-purple:#B14BFF;
  --c-gold:#FFC53D;
  --bg-page:#0A0C12;
  --bg-section:#12151E;
  --bg-card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --tx-main:#F5F7FB;
  --tx-sub:rgba(245,247,251,.72);
  --tx-weak:rgba(245,247,251,.48);
  --radius-card:16px;
  --radius-phone:20px;
  --radius-img:14px;
  --shadow-card:0 10px 28px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --space-sec:84px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--tx-main);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--tx-main);letter-spacing:0;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--c-primary);color:#0A0C12;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:1140px;}

/* 顶栏导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,18,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{position:relative;display:flex;align-items:center;gap:20px;height:64px;}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:#0A0C12;
  background:linear-gradient(135deg,var(--c-primary),var(--c-purple));
  box-shadow:0 0 18px rgba(255,77,46,.45);
}
.logo-text{font-size:16px;font-weight:700;white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:block;padding:8px 12px;border-radius:8px;
  font-size:14.5px;color:var(--tx-sub);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link:hover{color:var(--c-cyan);background:rgba(34,225,200,.08);}
.nav-link.is-active{color:var(--tx-main);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--c-cyan),var(--c-primary));
  box-shadow:0 0 10px var(--c-cyan);
}
.nav-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#14060a;box-shadow:0 8px 22px rgba(255,77,46,.32);}
.btn-primary:hover{box-shadow:0 10px 28px rgba(255,77,46,.5);}
.btn-ghost{border-color:var(--line-strong);color:var(--tx-main);background:rgba(26,31,43,.7);}
.btn-ghost:hover{border-color:var(--c-cyan);color:var(--c-cyan);}
.btn-light{background:#F5F7FB;color:#0A0C12;}
.btn-light:hover{box-shadow:0 10px 26px rgba(245,247,251,.22);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--c-cyan);outline-offset:2px;
}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:10px;background:transparent;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--tx-main);}

/* 面包屑 */
.crumb{padding:18px 0 6px;}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-weak);}
.crumb-inner a{color:var(--tx-weak);transition:color .18s ease-out;}
.crumb-inner a:hover{color:var(--c-cyan);}
.crumb-sep{color:rgba(245,247,251,.28);}
.crumb-current{color:var(--tx-sub);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:44px 0 72px;
  background-image:linear-gradient(180deg,rgba(10,12,18,.82),rgba(10,12,18,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;top:-160px;left:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(34,225,200,.12),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-200px;right:-140px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(255,77,46,.12),transparent 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:20px;border-radius:999px;
  font-size:13px;color:var(--c-cyan);
  background:var(--c-cyan-dim);border:1px solid rgba(34,225,200,.32);
}
.hero-title{
  font-size:clamp(30px,4.4vw,48px);line-height:1.2;margin-bottom:16px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(90deg,var(--c-primary),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16.5px;color:var(--tx-sub);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:600px;}
.stat{
  padding:14px 12px;border-radius:12px;background:rgba(18,21,30,.78);
  border:1px solid var(--line);text-align:center;
}
.stat-num{
  display:block;font-size:20px;font-weight:700;color:var(--c-cyan);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stat-label{display:block;font-size:12.5px;color:var(--tx-weak);margin-top:4px;}

.hero-visual{display:flex;justify-content:flex-end;gap:18px;}
.vcard{
  position:relative;width:270px;aspect-ratio:9/16;border-radius:var(--radius-phone);
  overflow:hidden;border:1px solid rgba(34,225,200,.35);
  box-shadow:0 0 0 1px rgba(34,225,200,.14),0 18px 44px rgba(0,0,0,.6);
  background:#12151E;flex:0 0 auto;
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.05) 40%,rgba(10,12,18,.9));
}
.vcard-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,77,46,.92);color:#14060a;
}
.vcard-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,12,18,.6);border:1px solid rgba(34,225,200,.6);
  color:var(--c-cyan);font-size:18px;
}
.vcard-caption{
  position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px;
  font-size:13.5px;color:var(--tx-sub);
}
.vcard-caption strong{display:block;color:var(--tx-main);font-size:15px;margin-bottom:4px;}
.vcard-sm{width:220px;align-self:flex-end;}

/* 板块通用 */
.section{padding:var(--space-sec) 0;}
.section-alt{background:var(--bg-section);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.section-sub{font-size:15px;color:var(--tx-sub);margin-top:10px;max-width:720px;}
.section-more{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--c-cyan);white-space:nowrap;
  transition:gap .2s ease-out,color .2s ease-out;
}
.section-more:hover{gap:12px;color:var(--c-primary);}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:14.5px;color:var(--tx-sub);
  background:var(--bg-card);border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.tag-pill i{font-size:12px;color:var(--c-purple);}
.tag-pill:hover{
  transform:translateY(-2px);color:var(--tx-main);
  border-color:rgba(34,225,200,.5);box-shadow:0 0 0 1px rgba(34,225,200,.18),0 10px 24px rgba(0,0,0,.4);
}
.tag-pill.is-hot{border-color:rgba(255,77,46,.5);color:var(--tx-main);}
.tag-pill.is-hot i{color:var(--c-primary);}

/* 图文卡网格 */
.cards-row{max-width:none;margin:0 -10px;}
.cards-row > .column{padding:0 10px 20px;}
.figure-card{
  height:100%;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.figure-card:hover{
  transform:translateY(-2px);border-color:rgba(34,225,200,.45);
  box-shadow:0 0 0 1px rgba(34,225,200,.18),0 18px 38px rgba(0,0,0,.55);
}
.figure-media{position:relative;aspect-ratio:4/3;background:#12151E;overflow:hidden;}
.figure-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.figure-card:hover .figure-media img{transform:scale(1.04);}
.figure-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,0) 45%,rgba(10,12,18,.75));
}
.chip{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(177,75,255,.9);color:#fff;
}
.chip.chip-cyan{background:rgba(34,225,200,.9);color:#06231f;}
.chip.chip-gold{background:rgba(255,197,61,.92);color:#241a02;}
.figure-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.figure-title{font-size:18px;line-height:1.45;}
.figure-text{font-size:14.5px;color:var(--tx-sub);}
.figure-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;
  font-size:12.5px;color:var(--tx-weak);
}
.figure-meta span{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.figure-meta i{color:var(--c-cyan);}

/* 横向滑动条带 */
.rail-wrap{position:relative;}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail-track::-webkit-scrollbar{height:6px;}
.rail-track::-webkit-scrollbar-thumb{background:rgba(34,225,200,.35);border-radius:3px;}
.rail-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:3px;}
.rail-item{
  flex:0 0 300px;scroll-snap-align:start;
  padding:20px;border-radius:var(--radius-card);
  background:var(--bg-card);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.rail-item:hover{transform:translateY(-2px);border-color:rgba(255,77,46,.45);}
.rail-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:#0A0C12;
  background:linear-gradient(135deg,var(--c-cyan),var(--c-purple));
}
.avatar.warm{background:linear-gradient(135deg,var(--c-primary),var(--c-gold));}
.rail-name{font-size:15px;font-weight:600;}
.stars{font-size:12.5px;color:var(--c-gold);letter-spacing:2px;}
.rail-text{font-size:14.5px;color:var(--tx-sub);margin:0;}

/* 图文混排 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.check-item{
  display:flex;gap:14px;padding:16px 18px;border-radius:14px;
  background:var(--bg-card);border:1px solid var(--line);
}
.check-item i{color:var(--c-cyan);font-size:16px;margin-top:5px;}
.check-item strong{display:block;margin-bottom:4px;font-size:16px;}
.check-item p{font-size:14.5px;color:var(--tx-sub);margin:0;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:14px;background:var(--bg-card);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:rgba(34,225,200,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--tx-main);
  position:relative;min-height:56px;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-cyan),var(--c-primary));
  opacity:0;transition:opacity .2s ease-out;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q i{color:var(--tx-weak);font-size:14px;transition:transform .2s ease-out,color .2s ease-out;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--c-cyan);}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;color:var(--tx-sub);background:rgba(255,255,255,.02);}
.faq-item.is-open .faq-a{display:block;}

/* CTA 横幅 */
.cta-banner{
  position:relative;overflow:hidden;padding:74px 0;
  background-image:linear-gradient(115deg,rgba(255,77,46,.5),rgba(177,75,255,.34)),linear-gradient(180deg,rgba(10,12,18,.74),rgba(10,12,18,.9)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);
}
.cta-inner{max-width:720px;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);line-height:1.35;margin-bottom:14px;}
.cta-inner p{color:var(--tx-sub);margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.cta-link{font-size:15px;color:var(--tx-main);border-bottom:1px solid rgba(245,247,251,.4);padding-bottom:2px;}
.cta-link:hover{color:var(--c-cyan);border-color:var(--c-cyan);}

/* 页脚 */
.site-footer{background:var(--bg-section);border-top:1px solid var(--line);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;font-weight:700;}
.footer-col p{font-size:14px;color:var(--tx-sub);}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:var(--tx-weak);
  text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14.5px;color:var(--tx-sub);transition:color .18s ease-out;}
.footer-col ul a:hover{color:var(--c-cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-weak);
}
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:rgba(26,31,43,.92);border:1px solid rgba(34,225,200,.45);
  color:var(--c-cyan);box-shadow:0 10px 26px rgba(0,0,0,.5);
}
.back-top.is-show{display:flex;}

@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .vcard{width:230px;}
  .vcard-sm{display:none;}
}
@media (max-width:991px){
  :root{--space-sec:64px;}
  .nav-list{
    display:none;position:absolute;top:64px;left:-24px;right:-24px;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    padding:14px 18px 18px;background:var(--bg-section);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.55);
  }
  .nav-list.is-open{display:flex;}
  .nav-link{padding:12px 10px;font-size:16px;}
  .nav-link.is-active::after{left:10px;right:auto;width:22px;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{justify-content:flex-start;overflow-x:auto;padding-bottom:8px;}
  .vcard-sm{display:block;width:200px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero{padding:32px 0 54px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .vcard{width:190px;}
  .rail-item{flex:0 0 260px;}
  .cta-banner{padding:54px 0;}
}
@media (max-width:519px){
  body{font-size:15px;}
  .logo-text{font-size:14.5px;}
  .hero-title{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .tag-pill{padding:9px 15px;font-size:13.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .figure-title{font-size:17px;}
}

/* roulang page: category5 */
:root{
  --c-primary:#FF4D2E;
  --c-primary-soft:rgba(255,77,46,.14);
  --c-cyan:#22E1C8;
  --c-cyan-soft:rgba(34,225,200,.14);
  --c-purple:#B14BFF;
  --c-gold:#FFC53D;
  --bg:#0A0C12;
  --bg-block:#12151E;
  --bg-card:#1A1F2B;
  --line:rgba(255,255,255,.08);
  --text:#F5F7FB;
  --text-2:rgba(245,247,251,.72);
  --text-3:rgba(245,247,251,.48);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --max:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-md);background:var(--bg-card)}
figure{margin:0}
a{color:var(--text);text-decoration:none;transition:color var(--ease),border-color var(--ease),opacity var(--ease)}
a:hover{color:var(--c-cyan)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.2}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:19px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(10,12,18,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-purple));
  color:#0A0C12;font-weight:800;font-size:16px;
  box-shadow:0 0 14px rgba(255,77,46,.35);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 12px;
  font-size:14.5px;color:var(--text-2);border-radius:var(--r-sm);
  position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text);text-shadow:0 0 12px rgba(34,225,200,.55)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-cyan),var(--c-primary));
  box-shadow:0 0 10px rgba(34,225,200,.7);
}
.nav-cta{flex:0 0 auto;margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--r-sm);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle:hover{border-color:rgba(34,225,200,.5)}
.nav-drawer{
  position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;
  background:#0A0C12;border-left:1px solid rgba(34,225,200,.22);
  transform:translateX(105%);transition:transform .28s ease;
  z-index:90;padding:26px 20px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;letter-spacing:.14em;color:var(--text-3);margin-bottom:10px}
.drawer-link{
  display:block;padding:14px 6px;font-size:18px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--c-cyan);padding-left:12px}
.drawer-link.is-active{color:var(--c-cyan)}
.drawer-cta{margin-top:22px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#0A0C12;box-shadow:0 8px 22px rgba(255,77,46,.28)}
.btn-primary:hover{color:#0A0C12;background:#FF6A50;box-shadow:0 10px 26px rgba(255,77,46,.42)}
.btn-ghost{background:transparent;color:var(--c-cyan);border-color:rgba(34,225,200,.45)}
.btn-ghost:hover{color:#0A0C12;background:var(--c-cyan);border-color:var(--c-cyan);box-shadow:0 10px 24px rgba(34,225,200,.3)}
.btn-light{background:#F5F7FB;color:#0A0C12}
.btn-light:hover{background:#FFFFFF;color:#0A0C12;box-shadow:0 10px 24px rgba(255,255,255,.22)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--c-cyan)}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li:not(:first-child)::before{content:"/";margin-right:6px;color:rgba(255,255,255,.2)}
.breadcrumb li[aria-current]{color:var(--text-2)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;margin-top:14px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(10,12,18,.74),rgba(10,12,18,.95)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,225,200,.16),transparent 68%);pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  padding:66px 0 70px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--c-cyan);
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-cyan-soft);border:1px solid rgba(34,225,200,.3);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 10px var(--c-cyan)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:520px;margin:16px 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:26px}
.stat-row li{display:flex;flex-direction:column;gap:2px}
.stat-row strong{font-family:var(--mono);font-size:24px;color:var(--text);font-variant-numeric:tabular-nums}
.stat-row span{font-size:13px;color:var(--text-3)}
.hero-visual{display:flex;justify-content:center}
.hero-phone{
  position:relative;width:min(300px,100%);aspect-ratio:9/16;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(34,225,200,.35);
  box-shadow:0 0 0 1px rgba(34,225,200,.14),0 20px 44px rgba(0,0,0,.6);
  background:var(--bg-card);
}
.hero-phone img{width:100%;height:100%;object-fit:cover;border-radius:0}
.phone-tag{
  position:absolute;top:14px;right:14px;
  font-family:var(--mono);font-size:12px;color:#0A0C12;
  background:var(--c-gold);padding:4px 10px;border-radius:var(--r-pill);font-weight:700;
}
.phone-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(10,12,18,.6);border:1px solid rgba(34,225,200,.6);
  box-shadow:0 0 24px rgba(34,225,200,.35);
}
.phone-play::after{
  content:"";position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);
  border-left:14px solid var(--c-cyan);border-top:9px solid transparent;border-bottom:9px solid transparent;
}
.phone-bar{
  position:absolute;left:0;right:0;bottom:0;
  display:flex;gap:16px;padding:12px 14px;overflow-x:auto;
  background:linear-gradient(180deg,rgba(10,12,18,0),rgba(10,12,18,.88));
  font-size:12px;color:var(--text-2);white-space:nowrap;
  scrollbar-width:none;
}
.phone-bar::-webkit-scrollbar{display:none}

/* ---------- 区块 ---------- */
.section{padding:74px 0}
.section-alt{background:var(--bg-block);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-sub{font-size:14px;color:var(--text-3);margin:8px 0 0}
.section-more{font-size:14px;color:var(--c-cyan);white-space:nowrap}
.section-more:hover{color:var(--text)}

/* ---------- 标签筛选 ---------- */
.filter-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;margin-bottom:24px;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;min-height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;cursor:pointer;
  transition:all var(--ease);
}
.chip:hover{border-color:rgba(34,225,200,.5);color:var(--text)}
.chip.is-on{background:var(--c-cyan-soft);border-color:rgba(34,225,200,.6);color:var(--c-cyan);box-shadow:0 0 0 1px rgba(34,225,200,.18)}

/* ---------- 横滑条带 ---------- */
.clip-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.clip-rail::-webkit-scrollbar{height:6px}
.clip-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.clip-rail::-webkit-scrollbar-track{background:transparent}
.clip-card{
  flex:0 0 244px;scroll-snap-align:start;
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.clip-card:hover{
  transform:translateY(-2px);
  border-color:rgba(34,225,200,.5);
  box-shadow:0 0 0 1px rgba(34,225,200,.2),var(--shadow);
}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:#0F131C}
.clip-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 240ms ease-out}
.clip-card:hover .clip-thumb img{transform:scale(1.04)}
.clip-rank{
  position:absolute;top:12px;left:12px;
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-family:var(--mono);font-size:14px;font-weight:700;color:#0A0C12;
  background:var(--c-purple);box-shadow:0 0 14px rgba(177,75,255,.45);
}
.clip-rank.is-top{background:var(--c-primary);box-shadow:0 0 14px rgba(255,77,46,.5)}
.clip-duration{
  position:absolute;bottom:12px;right:12px;
  font-family:var(--mono);font-size:12px;color:var(--text);
  background:rgba(10,12,18,.76);padding:3px 9px;border-radius:var(--r-pill);
}
.clip-body{padding:14px 16px 18px}
.clip-title{font-size:15px;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3)}
.clip-tag{
  display:inline-block;padding:2px 9px;border-radius:var(--r-pill);
  background:var(--c-cyan-soft);color:var(--c-cyan);font-size:12px;
}
.heat-up{color:var(--c-primary);font-family:var(--mono);font-weight:700}
.heat-down{color:var(--text-3);font-family:var(--mono);font-weight:700}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);
  transition:border-color var(--ease),transform var(--ease);
}
.compare-card:hover{border-color:rgba(34,225,200,.35);transform:translateY(-2px)}
.compare-card h3{font-size:20px;margin-bottom:8px}
.compare-lead{font-size:14px;color:var(--text-3);margin:0 0 6px}
.compare-card ul{display:grid;gap:12px;margin-top:18px}
.compare-card li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2)}
.compare-card li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-cyan);box-shadow:0 0 9px rgba(34,225,200,.6);
}
.compare-card.is-download li::before{background:var(--c-primary);box-shadow:0 0 9px rgba(255,77,46,.6)}
.verdict-bar{
  margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
  background:linear-gradient(90deg,rgba(255,77,46,.14),rgba(177,75,255,.1));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 26px;
}
.verdict-bar p{flex:1 1 400px;margin:0;color:var(--text-2);font-size:15px}

/* ---------- 结算流程 ---------- */
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:6px}
.step-card{
  position:relative;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(177,75,255,.4)}
.step-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-purple));
}
.step-no{display:block;font-family:var(--mono);font-size:26px;color:var(--c-purple);margin-bottom:12px;font-variant-numeric:tabular-nums}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-2);margin-bottom:12px}
.step-meta{font-family:var(--mono);font-size:13px;color:var(--c-cyan)}

/* ---------- 口碑条 ---------- */
.review-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.review-rail::-webkit-scrollbar{height:6px}
.review-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.review-card{
  flex:0 0 308px;scroll-snap-align:start;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;display:flex;gap:14px;
  transition:border-color var(--ease),transform var(--ease);
}
.review-card:hover{border-color:rgba(34,225,200,.4);transform:translateY(-2px)}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;color:#0A0C12;
  background:linear-gradient(135deg,var(--c-primary),var(--c-purple));
}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.review-name{font-size:14px;font-weight:600}
.stars{color:var(--c-gold);font-size:13px;letter-spacing:.08em}
.review-card p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.is-open{border-color:rgba(34,225,200,.45);background:#1D2331}
.faq-q{
  position:relative;width:100%;text-align:left;background:none;border:0;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.6;padding:20px 24px 20px 54px;cursor:pointer;
}
.faq-q::before{
  content:"+";position:absolute;left:24px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:20px;color:var(--c-cyan);
}
.faq-item.is-open .faq-q::before{content:"–"}
.faq-item.is-open .faq-q::after{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--c-cyan),var(--c-primary));
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px 54px;font-size:15px;color:var(--text-2);margin:0}
.faq-item.is-open .faq-a{max-height:360px}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--line);padding:56px 44px;
  background-image:linear-gradient(120deg,rgba(255,77,46,.78) 0%,rgba(177,75,255,.42) 52%,rgba(10,12,18,.92) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.cta-banner h2{margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,.86);max-width:620px;margin-bottom:26px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.cta-link{color:#F5F7FB;font-size:14.5px;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px}
.cta-link:hover{color:#0A0C12;border-color:#0A0C12}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-block);border-top:1px solid var(--line);margin-top:80px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:14px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--text-3);font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--text-2);font-size:14px}
.footer-col a:hover{color:var(--c-cyan)}
.footer-col p{color:var(--text-3);font-size:14px;line-height:1.8}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(34,225,200,.45);background:rgba(18,21,30,.92);
  color:var(--c-cyan);cursor:pointer;display:grid;place-items:center;
  font-size:18px;z-index:60;opacity:0;pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),box-shadow var(--ease);
}
.back-top.is-show{opacity:1;pointer-events:auto}
.back-top:hover{box-shadow:0 0 18px rgba(34,225,200,.4);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .step-rail{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .nav-list,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:52px 0 56px}
  .hero-sub{max-width:none}
  .hero-visual{justify-content:flex-start}
  .hero-phone{width:min(260px,72vw)}
  .compare-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{align-items:flex-start}
  .clip-card{flex:0 0 210px}
  .review-card{flex:0 0 268px}
  .stat-row{gap:20px}
  .stat-row strong{font-size:21px}
  .cta-banner{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .verdict-bar{padding:20px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .step-rail{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-phone{width:min(230px,78vw)}
  .faq-q{font-size:15.5px;padding:18px 18px 18px 46px}
  .faq-q::before{left:18px}
  .faq-a p{padding:0 18px 20px 46px}
  .back-top{right:14px;bottom:16px}
}