/* roulang page: index */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --bg-deep:#05090F;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --brand:#16E3A6;
  --brand-hover:#4BF0BF;
  --brand-press:#0FB884;
  --orange:#FF7A45;
  --ice:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --on-brand:#04120D;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(22,227,166,.45);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:6px;
  --sh-card:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.06);
  --sh-card-hover:0 12px 32px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.1);
  --sh-btn:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,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-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:32px}
.section-lead{color:var(--text-2);font-size:15px;margin-top:10px;line-height:1.7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--brand);font-weight:600;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:0;cursor:pointer;
  border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--on-brand);box-shadow:var(--sh-btn)}
.btn-primary:hover{background:var(--brand-hover);color:var(--on-brand);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 10px 36px rgba(22,227,166,.34)}
.btn-primary:active{background:var(--brand-press);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.4),0 4px 14px rgba(22,227,166,.2)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.btn-ghost:hover{color:var(--text);border-color:var(--line-brand);background:rgba(22,227,166,.09)}
.btn-ghost:active{background:rgba(22,227,166,.14)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--text);font-size:15px;font-weight:600;min-height:44px;background:none;border:0;cursor:pointer;padding:0}
.btn-link .arrow{transition:transform .18s ease}
.btn-link:hover{color:var(--brand)}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-sm);font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.8}
.badge-new{background:rgba(22,227,166,.12);color:var(--brand);box-shadow:inset 0 0 0 1px rgba(22,227,166,.3)}
.badge-live{background:rgba(255,122,69,.1);color:var(--orange);box-shadow:inset 0 0 0 1px rgba(255,122,69,.45)}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);animation:pulse 2s ease-in-out infinite}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease}
.site-header.scrolled{background:rgba(7,12,20,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.nav{height:68px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.01em;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);font-weight:500;padding:6px 0;transition:color .18s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;color:var(--text-2);
  cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-brand);background:rgba(22,227,166,.08)}
.nav-burger{display:none}
.scroll-progress{position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--brand),rgba(22,227,166,0));transition:width .08s linear}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:300;visibility:hidden;pointer-events:none}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(3,7,12,.7);opacity:0;transition:opacity .26s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:#0A111B;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.8,.2,1);
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:24px}
.drawer-list a{padding:13px 12px;border-radius:10px;color:var(--text-2);font-size:15px;font-weight:500;border-left:3px solid transparent}
.drawer-list a:hover,.drawer-list a.active{background:rgba(22,227,166,.08);color:var(--text);border-left-color:var(--brand)}
.drawer-search{display:flex;align-items:center;gap:10px;background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:0 14px;margin-bottom:20px}
.drawer-search input{flex:1;background:none;border:0;outline:none;color:var(--text);font-size:15px;height:46px;font-family:inherit}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.9}

/* ---------- Hero ---------- */
.hero{position:relative;padding:124px 0 88px;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;opacity:.6}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.7) 0%,rgba(7,12,20,.9) 55%,#070C14 100%)}
.hero-glow{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 22%,rgba(22,227,166,.09),transparent 42%),
    radial-gradient(circle at 82% 68%,rgba(127,178,255,.07),transparent 46%);
}
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{font-size:48px;line-height:1.22;margin-bottom:20px}
.hero-copy h1 .hl{color:var(--brand);display:inline}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;line-height:1.85;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:520px}
.metric{background:rgba(15,25,38,.7);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.metric-num{font-family:var(--font-num);font-size:24px;font-weight:700;letter-spacing:.06em;color:var(--brand);line-height:1.2}
.metric-label{font-size:13px;color:var(--text-3);margin-top:2px}

/* 竖屏卡 */
.hero-phone{
  position:relative;width:100%;max-width:352px;margin-left:auto;aspect-ratio:9/16;max-height:640px;
  border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  background:var(--card);
  box-shadow:0 24px 64px rgba(0,0,0,.6),0 0 0 1px rgba(22,227,166,.12);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.phone-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phone-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.35) 0%,rgba(7,12,20,.1) 40%,rgba(7,12,20,.9) 100%)}
.phone-top{position:absolute;top:14px;left:14px;right:14px;display:flex;align-items:center;justify-content:space-between;z-index:2}
.phone-tag{font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--text);background:rgba(7,12,20,.6);border:1px solid var(--line);border-radius:var(--r-sm);padding:2px 8px}
.phone-follow{
  position:absolute;left:12px;right:12px;bottom:66px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(18,28,42,.6);border:1px solid rgba(255,255,255,.12);border-radius:14px;
  padding:8px 8px 8px 14px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.phone-follow span{font-size:13px;color:var(--text-2)}
.phone-danmu{position:absolute;left:12px;right:12px;bottom:14px;z-index:2;display:flex;flex-direction:column;gap:6px;overflow:hidden}
.danmu-row{
  font-size:12px;color:var(--text-2);background:rgba(7,12,20,.55);border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  animation:danmu 9s linear infinite;
}
.danmu-row:nth-child(2){animation-duration:11s;animation-delay:-4s}
@keyframes danmu{0%{transform:translateX(12%)}100%{transform:translateX(-12%)}}

@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.hero-copy>*{animation:fadeUp .32s cubic-bezier(.2,.8,.2,1) both}
.hero-copy>*:nth-child(1){animation-delay:0ms}
.hero-copy>*:nth-child(2){animation-delay:60ms}
.hero-copy>*:nth-child(3){animation-delay:120ms}
.hero-copy>*:nth-child(4){animation-delay:180ms}
.hero-copy>*:nth-child(5){animation-delay:240ms}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--font-num);font-size:34px;font-weight:700;letter-spacing:.06em;color:var(--brand);line-height:1.15}
.stat-num small{font-size:15px;color:var(--text-2);margin-left:4px;font-weight:600;letter-spacing:0}
.stat-label{font-size:14px;color:var(--text-2);margin-top:4px}

/* ---------- 片段卡 ---------- */
.clip-wrap{position:relative;margin:0 -24px}
.clip-wrap::before,.clip-wrap::after{content:"";position:absolute;top:0;bottom:18px;width:44px;pointer-events:none;z-index:2}
.clip-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(7,12,20,0))}
.clip-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(7,12,20,0))}
.clip-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 24px 22px;scrollbar-width:none}
.clip-track::-webkit-scrollbar{display:none}
.clip-card{
  position:relative;flex:0 0 212px;scroll-snap-align:start;aspect-ratio:9/16;
  border-radius:var(--r-md);overflow:hidden;background:var(--card);
  box-shadow:var(--sh-card);transition:transform .18s ease,box-shadow .18s ease;
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover)}
.clip-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.clip-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.32) 0%,rgba(7,12,20,0) 34%,rgba(7,12,20,.9) 100%)}
.clip-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;background:rgba(7,12,20,.55);
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;color:#fff;transition:background .18s ease,border-color .18s ease;
}
.clip-card:hover .clip-play{background:rgba(22,227,166,.85);border-color:rgba(22,227,166,.9);color:var(--on-brand)}
.clip-dur{position:absolute;top:10px;right:10px;font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--text);background:rgba(7,12,20,.65);border-radius:var(--r-sm);padding:1px 7px}
.clip-body{position:absolute;left:12px;right:12px;bottom:12px;z-index:2}
.clip-title{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-hot{font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-top:6px}

/* ---------- 编号入口清单 ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  position:relative;display:grid;grid-template-columns:84px 1fr auto;align-items:center;gap:20px;
  padding:22px 20px;border-bottom:1px solid var(--line);transition:background .18s ease;
}
.rank-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transition:transform .18s ease}
.rank-item:hover{background:rgba(18,28,42,.55)}
.rank-item:hover::before{transform:scaleY(1)}
.rank-num{font-family:var(--font-num);font-size:32px;font-weight:700;letter-spacing:.06em;color:rgba(22,227,166,.3);line-height:1}
.rank-main{min-width:0}
.rank-tag{font-size:12px;color:var(--orange);letter-spacing:.04em;font-weight:600}
.rank-title{font-size:19px;font-weight:600;margin-top:4px}
.rank-desc{font-size:14px;color:var(--text-2);margin-top:4px}

/* ---------- CMS 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1420}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-thumb .badge{position:absolute;left:12px;top:12px}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-excerpt{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.news-foot time{font-family:var(--font-num);letter-spacing:.06em}
.news-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:13px}
.news-more:hover .arrow{transform:translateX(4px)}
.news-more .arrow{transition:transform .18s ease}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:64px 24px;background:var(--card);border-radius:var(--r-md);box-shadow:var(--sh-card);
  text-align:center;
}
.empty-icon{width:56px;height:56px;color:rgba(22,227,166,.4)}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- 口碑横条 ---------- */
.buzz-wrap{position:relative;margin:0 -24px}
.buzz-wrap::before,.buzz-wrap::after{content:"";position:absolute;top:0;bottom:0;width:44px;pointer-events:none;z-index:2}
.buzz-wrap::before{left:0;background:linear-gradient(90deg,var(--bg-alt),rgba(10,17,27,0))}
.buzz-wrap::after{right:0;background:linear-gradient(270deg,var(--bg-alt),rgba(10,17,27,0))}
.buzz-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 24px 18px;scrollbar-width:none}
.buzz-track::-webkit-scrollbar{display:none}
.buzz-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:rgba(18,28,42,.55);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.buzz-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(22,227,166,.14);color:var(--brand);font-weight:700;font-size:15px;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(22,227,166,.3);
}
.buzz-name{font-size:14px;font-weight:600}
.buzz-time{font-size:12px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.06em}
.buzz-text{font-size:14px;color:var(--text-2);line-height:1.75}
.buzz-like{margin-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:880px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;color:var(--text);font-size:16px;font-weight:600;
  padding:22px 0 22px 0;text-align:left;cursor:pointer;min-height:44px;
  transition:color .18s ease,padding-left .18s ease;
}
.faq-item.open .faq-q{color:var(--brand);padding-left:16px}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;background:var(--brand);border-radius:2px}
.faq-q .chev{flex-shrink:0;color:var(--text-3);transition:transform .24s ease,color .18s ease}
.faq-item.open .chev{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{color:var(--text-2);font-size:15px;line-height:1.85;padding:0 0 22px 16px;max-width:760px}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:linear-gradient(120deg,#0C1A24 0%,#0A111B 60%,#0B1A1A 100%);border:1px solid var(--line);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(22,227,166,.16),transparent 68%);pointer-events:none}
.cta-band h2{font-size:30px;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin-top:16px;max-width:320px}
.footer-rec{font-size:12px;color:var(--text-3);margin-top:14px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-3);flex-wrap:wrap}

/* ---------- 粘性底条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:150;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom)) 16px;
  background:rgba(10,17,27,.86);border-top:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:transform .24s ease,opacity .24s ease;
}
.sticky-cta.hide{transform:translateY(110%);opacity:0}
.sticky-cta span{font-size:14px;color:var(--text-2)}
.sticky-cta span b{color:var(--brand);font-family:var(--font-num);letter-spacing:.06em}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:20px}
  .hero-copy h1{font-size:44px}
  .rank-item{grid-template-columns:72px 1fr auto;gap:16px}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .nav{gap:16px}
  .nav-right .btn-primary{min-height:38px;padding:0 16px;font-size:14px}
  .hero{padding:100px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-phone{margin:0 auto;max-width:320px;max-height:56vh}
  .hero-copy h1{font-size:38px}
  .hero-sub{font-size:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:22px 18px}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:26px}
  .sticky-cta{display:flex}
  body{padding-bottom:0}
}
@media (max-width:767px){
  .hero-copy h1{font-size:30px}
  .hero-copy h1 br{display:none}
  .hero-cta{width:100%}
  .hero-cta .btn{flex:1 1 0;min-width:0}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .clip-card{flex:0 0 168px}
  .buzz-card{flex:0 0 264px}
  .rank-item{grid-template-columns:56px 1fr;gap:12px;padding:18px 14px}
  .rank-item .btn{grid-column:2;justify-self:start;margin-top:6px}
  .rank-num{font-size:26px}
  .rank-title{font-size:17px}
  .news-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:92px 0 56px}
  .hero-copy h1{font-size:28px}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:10px}
  .metric{padding:12px 12px}
  .metric-num{font-size:20px}
  .stat-num{font-size:28px}
  .clip-wrap{margin:0 -16px}
  .clip-track{padding-left:16px;padding-right:16px}
  .buzz-wrap{margin:0 -16px}
  .buzz-track{padding-left:16px;padding-right:16px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 0}
  .faq-q{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .badge-live .dot{animation:none}
  .danmu-row{animation:none}
}

/* roulang page: article */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --primary:#16E3A6;
  --primary-h:#4BF0BF;
  --primary-d:#0FB884;
  --orange:#FF7A45;
  --ice:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(22,227,166,.45);
  --ink:#04120D;
  --r-lg:18px;
  --r:14px;
  --r-sm:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-up:0 12px 32px rgba(0,0,0,.45);
  --mono:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::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(--sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(680px 420px at 78% -8%,rgba(22,227,166,.08),transparent 65%),
                   radial-gradient(560px 380px at 6% 4%,rgba(127,178,255,.06),transparent 62%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(7,12,20,0);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease;
}
.site-header.scrolled{
  background:rgba(7,12,20,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:32px;height:32px;flex:0 0 32px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;color:var(--text-2);border:1px solid var(--line);
  background:rgba(255,255,255,.02);transition:color .18s,border-color .18s,background .18s;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(22,227,166,.08)}
.nav-burger{display:none}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--primary),rgba(22,227,166,0));
  transition:width .1s linear;
}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .16s ease,background .18s ease,box-shadow .2s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{
  background:var(--primary);color:var(--ink);
  box-shadow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
}
.btn-primary:hover{background:var(--primary-h);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(75,240,191,.6),0 10px 36px rgba(22,227,166,.35)}
.btn-primary:active{background:var(--primary-d);transform:translateY(1px);box-shadow:0 0 0 1px rgba(15,184,132,.5),0 4px 14px rgba(22,227,166,.2)}
.btn-ghost{
  background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text);
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(22,227,166,.08);color:var(--primary-h)}
.btn-ghost:active{transform:translateY(1px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;letter-spacing:.06em;line-height:1.6;
  background:rgba(22,227,166,.12);color:var(--primary);
  border:1px solid rgba(22,227,166,.45);
}
.badge-muted{background:rgba(127,178,255,.1);color:var(--ice);border-color:rgba(127,178,255,.35)}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding-top:92px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3);transition:color .16s}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(110,127,149,.7)}
.crumb .cur{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:26px 0 30px;border-bottom:1px solid var(--line);margin-top:22px}
.article-title{
  font-size:clamp(28px,4.2vw,46px);line-height:1.25;margin:16px 0 18px;
  letter-spacing:.01em;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(110,127,149,.6)}
.article-meta .num{font-family:var(--mono);font-weight:700;letter-spacing:.06em;color:var(--text-2)}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  min-height:36px;padding:0 14px;border-radius:999px;font-size:13px;
  border:1px solid var(--line);color:var(--text-2);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .18s,border-color .18s,background .18s;
}
.share-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(22,227,166,.08)}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;padding:44px 0 88px;align-items:start;
}
.article-main{min-width:0}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:#DCE5F0;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:30px;line-height:1.3;
  margin:48px 0 20px;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--primary);border-radius:2px;
}
.article-body h3{font-size:22px;font-weight:600;margin:32px 0 14px;color:var(--text)}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 12px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:8px;height:8px;
  background:var(--primary);border-radius:2px;opacity:.85;
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--mono);font-weight:700;
  font-size:15px;color:var(--primary);letter-spacing:.06em;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-left:3px solid var(--primary);
  border-radius:0 var(--r) var(--r) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r);margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body a{color:var(--text);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(22,227,166,.55);transition:color .16s}
.article-body a:hover{color:var(--primary)}
.article-body strong{color:var(--text);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.article-body th{
  background:var(--bg-alt);color:var(--text);font-weight:600;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);
  letter-spacing:.02em;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body .table-scroll{overflow-x:auto;margin:24px 0}

/* ---------- empty state ---------- */
.empty-state{
  max-width:760px;text-align:center;padding:64px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
}
.empty-state svg{margin:0 auto 18px;color:rgba(22,227,166,.4)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h2{font-size:15px;letter-spacing:.06em;color:var(--text-2);margin-bottom:16px;font-weight:600}
.side-list li + li{margin-top:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:background .18s,color .18s;
}
.side-list a:hover{background:rgba(22,227,166,.08);color:var(--primary-h)}
.side-list .arrow{color:var(--text-3);transition:transform .18s,color .18s}
.side-list a:hover .arrow{transform:translateX(3px);color:var(--primary)}
.side-note{
  font-size:13px;color:var(--text-3);line-height:1.8;
  border-top:1px solid var(--line);padding-top:14px;margin-top:16px;
}

/* ---------- related ---------- */
.related{padding:0 0 88px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:26px;
}
.section-head h2{font-size:30px}
.section-head p{font-size:15px;color:var(--text-3);margin-top:8px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--text-2);
  transition:color .18s;
}
.link-more:hover{color:var(--primary)}
.link-more .arrow{transition:transform .18s}
.link-more:hover .arrow{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-up);border-color:var(--line-strong)}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .tag{
  position:absolute;left:12px;top:12px;padding:3px 9px;border-radius:var(--r-sm);
  font-size:12px;letter-spacing:.06em;
  background:rgba(7,12,20,.72);color:var(--primary);
  border:1px solid rgba(22,227,166,.45);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5;font-weight:600}
.news-body p{
  font-size:14px;color:var(--text-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.news-foot .num{font-family:var(--mono);letter-spacing:.06em}

/* ---------- prev / next ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:36px}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .18s,background .18s,transform .18s;
}
.post-nav a:hover{border-color:var(--line-strong);background:rgba(22,227,166,.06);transform:translateY(-2px)}
.post-nav .k{font-size:12px;letter-spacing:.08em;color:var(--text-3)}
.post-nav .v{font-size:16px;font-weight:600;color:var(--text)}
.post-nav .next{text-align:right;align-items:flex-end}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:32px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(22,227,166,.14),rgba(15,25,38,.9) 58%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-inner h2{font-size:24px;margin-bottom:8px}
.cta-inner p{font-size:15px;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{background:#05090F;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;margin:16px 0 14px;max-width:340px}
.footer-rec{
  font-size:13px;color:var(--text-3);line-height:1.8;
  padding:10px 14px;border-radius:10px;
  background:rgba(255,255,255,.02);border:1px solid var(--line);
}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col li{font-size:14px;color:var(--text-3);line-height:1.9;margin-bottom:8px}
.footer-col a{color:var(--text-3);transition:color .16s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;transition:visibility .26s ease}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(2,6,12,.72);opacity:0;transition:opacity .26s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--bg-alt);border-left:1px solid var(--line);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;transform:translateX(100%);
  transition:transform .26s cubic-bezier(.2,.8,.2,1);
}
.drawer.open .drawer-panel{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-search{
  display:flex;align-items:center;gap:10px;padding:10px 14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;
  color:var(--text-3);font-size:14px;
}
.drawer-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:14px;
}
.drawer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,227,166,.14)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 2px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .18s,padding-left .18s;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary);padding-left:6px}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--text-3);line-height:1.8;border-top:1px solid var(--line);padding-top:16px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-body h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav{height:60px}
  .logo-text{font-size:15px}
  .crumb-wrap{padding-top:80px}
  .article-title{margin:14px 0 16px}
  .share-group{margin-left:0;width:100%}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:23px;margin-top:38px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:24px}
  .related,.cta-band{padding-bottom:64px}
  .article-layout{padding-bottom:64px}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{align-items:flex-start;text-align:left}
  .cta-inner{padding:24px;flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-body h2{font-size:21px}
  .empty-state{padding:48px 20px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-inner .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --bg-deep:#05090F;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --primary:#16E3A6;
  --primary-hover:#4BF0BF;
  --primary-active:#0FB884;
  --accent:#FF7A45;
  --ice:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --ink:#04120D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(22,227,166,.45);
  --ok:#16E3A6;
  --warn:#FFB020;
  --err:#FF5C5C;
  --info:#7FB2FF;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:6px;
  --r-btn:999px;
  --r-btn-2:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 10px 32px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--text);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--primary);color:var(--ink);box-shadow:var(--shadow-glow);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 10px 36px rgba(22,227,166,.34);color:var(--ink);}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.42),0 4px 14px rgba(22,227,166,.2);}
.btn-ghost{background:var(--glass);color:var(--text);border:1px solid var(--line);border-radius:var(--r-btn-2);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(18,28,42,.78);color:var(--text);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;min-height:44px;padding:0;background:none;}
.btn-text .arrow{transition:transform .18s ease;}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-sm);font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.7;}
.badge-live{color:var(--accent);border:1px solid rgba(255,122,69,.45);background:rgba(255,122,69,.1);}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);animation:breathe 2s ease-in-out infinite;}
.badge-ok{color:var(--primary);border:1px solid rgba(22,227,166,.4);background:rgba(22,227,166,.1);}
.badge-wait{color:var(--warn);border:1px solid rgba(255,176,32,.4);background:rgba(255,176,32,.1);}
.badge-ice{color:var(--ice);border:1px solid rgba(127,178,255,.4);background:rgba(127,178,255,.1);}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.82);}}

/* ---------- header / nav ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease;}
.site-header.scrolled{background:rgba(7,12,20,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom-color:var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;flex-shrink:0;}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text);white-space:nowrap;}
.logo:hover .logo-text{color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;color:var(--text-2);border:1px solid transparent;transition:color .18s ease,background .18s ease,border-color .18s ease;}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-burger{display:none;}
.scroll-progress{height:2px;width:0;background:linear-gradient(90deg,var(--primary),rgba(22,227,166,0));transition:width .1s linear;}

/* ---------- drawer ---------- */
.drawer-scrim{position:fixed;inset:0;background:rgba(4,8,14,.6);opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:130;}
.drawer-scrim.open{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;background:var(--bg-alt);border-left:1px solid var(--line);z-index:140;transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.nav-drawer.open{transform:translateX(0);}
.drawer-close{position:absolute;top:14px;right:14px;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:22px;line-height:1;}
.drawer-close:hover{color:var(--text);border-color:var(--line-strong);}
.drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px;padding-right:52px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-links a{padding:12px 0;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-links a.active{color:var(--primary);font-weight:600;}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:0 14px;margin-bottom:20px;}
.drawer-search input{flex:1;background:none;border:0;color:var(--text);height:44px;font-size:15px;outline:none;}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-meta{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.9;}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:calc(var(--nav-h) + 22px) 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:var(--text-3);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text);}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;margin-top:20px;padding:44px 0 36px;border-bottom:1px solid var(--line);}
.page-head::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center 34%;opacity:.4;}
.page-head::after{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 12% 20%,rgba(22,227,166,.10),transparent 70%),
  radial-gradient(520px 280px at 88% 10%,rgba(127,178,255,.08),transparent 70%),
  linear-gradient(180deg,rgba(7,12,20,.86),rgba(7,12,20,.96));}
.page-head .container{position:relative;z-index:2;}
.page-head h1{font-size:44px;margin:16px 0 14px;letter-spacing:.01em;}
.page-head h1 .accent{color:var(--primary);}
.page-head .lead{max-width:720px;color:var(--text-2);font-size:17px;line-height:1.85;}
.page-head .head-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:22px;font-size:13px;color:var(--text-3);}
.page-head .head-meta strong{font-family:var(--font-num);font-size:16px;color:var(--text);font-weight:700;letter-spacing:.06em;margin-right:4px;}

/* ---------- pill nav ---------- */
.pill-nav{margin-top:26px;display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;}
.pill-nav::-webkit-scrollbar{display:none;}
.pill-nav a{flex:0 0 auto;scroll-snap-align:start;padding:9px 18px;border-radius:var(--r-btn);border:1px solid var(--line);background:rgba(15,25,38,.7);color:var(--text-2);font-size:14px;font-weight:500;transition:all .18s ease;}
.pill-nav a:hover,.pill-nav a:focus-visible{color:var(--primary);border-color:var(--line-strong);background:rgba(22,227,166,.08);}
.pill-nav a.on{color:var(--ink);background:var(--primary);border-color:var(--primary);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:72px 0;border-bottom:1px solid var(--line);}
.section.alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--text-3);}
.section-head h2 .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--primary);margin-right:10px;vertical-align:middle;}

/* ---------- entry matrix ---------- */
.matrix{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.entry-main{position:relative;background:linear-gradient(160deg,rgba(22,227,166,.10),rgba(15,25,38,.96) 42%),var(--card);border:1px solid rgba(22,227,166,.32);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.entry-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(22,227,166,.55);}
.entry-main .cover{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;margin-bottom:22px;background:var(--bg-alt);}
.entry-main .cover img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .4s ease;}
.entry-main:hover .cover img{transform:scale(1.03);}
.entry-main .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.1),rgba(7,12,20,.72));}
.entry-main .cover .badge{position:absolute;top:12px;left:12px;z-index:2;background:rgba(7,12,20,.72);}
.entry-main .cover .ch{position:absolute;left:14px;bottom:12px;z-index:2;font-family:var(--font-num);font-weight:700;font-size:13px;letter-spacing:.06em;color:var(--text);}
.entry-main h3{font-size:22px;margin-bottom:10px;}
.entry-main .desc{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:20px;}

.meter{margin:14px 0 4px;}
.meter-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);margin-bottom:6px;}
.meter-row b{font-family:var(--font-num);font-size:15px;letter-spacing:.06em;color:var(--text);font-weight:700;}
.meter-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(22,227,166,.55),var(--primary));}
.meter-fill.mid{background:linear-gradient(90deg,rgba(127,178,255,.5),var(--ice));}
.meter-fill.warn{background:linear-gradient(90deg,rgba(255,176,32,.5),var(--warn));}

.spec-list{display:flex;flex-wrap:wrap;gap:8px 18px;margin:16px 0 22px;font-size:13px;color:var(--text-3);}
.spec-list li{display:flex;align-items:center;gap:6px;}
.spec-list li::before{content:"";width:5px;height:5px;background:var(--primary);border-radius:1px;flex-shrink:0;opacity:.8;}

.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.entry-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(255,255,255,.16);}
.entry-card .top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.entry-card .tag{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--text-3);font-weight:700;}
.entry-card h3{font-size:18px;margin-bottom:8px;}
.entry-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:16px;}
.entry-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- steps ---------- */
.step-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:28px 24px 24px;box-shadow:var(--shadow);}
.step-card::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:-18px;left:24px;font-family:var(--font-num);font-size:34px;font-weight:700;letter-spacing:.06em;color:rgba(22,227,166,.35);line-height:1;}
.step-card h3{font-size:19px;margin:14px 0 10px;}
.step-card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.step-card .line{position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--primary);opacity:.75;}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);box-shadow:var(--shadow);}
table.line-table{width:100%;min-width:620px;border-collapse:collapse;font-size:14px;}
table.line-table th{background:rgba(10,17,27,.95);color:var(--text-2);font-weight:600;text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:13px;letter-spacing:.04em;}
table.line-table td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--text-2);}
table.line-table tbody tr:nth-child(even){background:rgba(255,255,255,.015);}
table.line-table tbody tr:hover{background:rgba(22,227,166,.05);}
table.line-table td:first-child{color:var(--text);font-weight:600;}
table.line-table .num{font-family:var(--font-num);font-size:15px;letter-spacing:.06em;color:var(--text);font-weight:700;}
table.line-table tr:last-child td{border-bottom:0;}

/* ---------- faq ---------- */
.faq{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left;padding:20px 0 20px 16px;font-size:16px;font-weight:600;color:var(--text);position:relative;min-height:56px;}
.faq-q::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:3px;height:22px;background:var(--primary);border-radius:2px;transition:transform .22s ease;transform-origin:center;}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1);}
.faq-q .chev{flex-shrink:0;width:18px;height:18px;transition:transform .24s ease;color:var(--text-3);}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--primary);}
.faq-a{overflow:hidden;max-height:0;transition:max-height .24s ease;}
.faq-a p{padding:0 32px 22px 16px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- related ---------- */
.related-strip{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 12px;scroll-snap-type:x proximity;scrollbar-width:none;}
.related-strip::-webkit-scrollbar{display:none;}
.related-card{flex:0 0 260px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:var(--shadow);}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.related-card .k{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--text-3);}
.related-card h3{font-size:17px;margin:8px 0 8px;}
.related-card p{font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(120deg,rgba(22,227,166,.14),rgba(127,178,255,.08) 60%,rgba(15,25,38,.2)),var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:40px 0;}
.cta-inner h2{font-size:26px;margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:15px;}
.cta-inner .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.8;margin:16px 0 14px;max-width:320px;}
.footer-rec{font-size:12px;color:var(--text-3);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 12px;display:inline-block;line-height:1.7;}
.footer-col h3{font-size:15px;color:var(--text);margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li,.footer-col a{font-size:14px;color:var(--text-3);line-height:1.7;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:20px 0 28px;font-size:13px;color:var(--text-3);}

/* ---------- sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:110;display:none;align-items:center;justify-content:space-between;gap:14px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(10,17,27,.82);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--line);transition:transform .24s ease;}
.sticky-bar.hide{transform:translateY(110%);}
.sticky-bar .txt{font-size:13px;color:var(--text-2);line-height:1.5;}
.sticky-bar .txt b{display:block;color:var(--text);font-size:14px;font-weight:600;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
  .page-head h1{font-size:38px;}
}
@media (max-width:991px){
  .section{padding:60px 0;}
  .matrix{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .step-flow{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-head{padding:34px 0 30px;}
  .page-head h1{font-size:32px;}
  .section-head h2{font-size:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 0;}
}
@media (max-width:767px){
  :root{--nav-h:60px;}
  .nav-links{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-right .btn-sm{padding:0 14px;font-size:13px;min-height:36px;}
  .logo-text{font-size:15px;}
  .container{padding:0 16px;}
  .page-head h1{font-size:27px;margin:14px 0 12px;}
  .page-head .lead{font-size:15px;}
  .entry-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .section-head h2{font-size:22px;}
  .entry-main{padding:20px;}
  .entry-main h3{font-size:19px;}
  .faq-q{font-size:15px;padding:18px 0 18px 14px;}
  .faq-a p{padding:0 8px 18px 14px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;gap:8px;}
  .sticky-bar{display:flex;}
  .cta-inner h2{font-size:21px;}
  .cta-inner .actions{width:100%;}
  .cta-inner .actions .btn{flex:1;}
  .related-card{flex:0 0 230px;}
}
@media (max-width:575px){
  .page-head h1{font-size:25px;}
  .entry-card{padding:18px;}
  .step-card{padding:24px 20px 20px;}
  .spec-list{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --card:#0F1926;
  --glass:rgba(18,28,42,0.55);
  --primary:#16E3A6;
  --primary-hover:#4BF0BF;
  --primary-active:#0FB884;
  --accent:#FF7A45;
  --blue:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --on-primary:#04120D;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(22,227,166,0.45);
  --success:#16E3A6;
  --warn:#FFB020;
  --danger:#FF5C5C;
  --info:#7FB2FF;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:6px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 12px 32px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.09);
  --container:1200px;
  --num-font:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--text);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(22,227,166,.28);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media(max-width:991px){.container{padding:0 20px;}}
@media(max-width:575px){.container{padding:0 16px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(255,255,255,.08);
}
.nav{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{width:32px;height:32px;flex:0 0 32px;}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--text-2);border:1px solid transparent;
  transition:all .18s var(--ease);
}
.icon-btn:hover{color:var(--primary);background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-burger{display:none;}
.scroll-progress{
  height:2px;width:0%;
  background:linear-gradient(90deg,var(--primary),rgba(22,227,166,0));
  transition:width .1s linear;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:var(--on-primary);
  box-shadow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
}
.btn-primary:hover{background:var(--primary-hover);color:var(--on-primary);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 10px 36px rgba(22,227,166,.34);}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.4),0 4px 16px rgba(22,227,166,.22);}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:rgba(22,227,166,.1);border-color:var(--line-strong);color:var(--text);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-size:15px;font-weight:500;
  min-height:44px;padding:0;
}
.btn-text svg{transition:transform .18s var(--ease);}
.btn-text:hover{color:var(--primary);}
.btn-text:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.7;
}
.badge-soft{background:rgba(22,227,166,.12);color:var(--primary);border:1px solid rgba(22,227,166,.28);}
.badge-blue{background:rgba(127,178,255,.12);color:var(--blue);border:1px solid rgba(127,178,255,.28);}
.badge-live{
  background:rgba(255,122,69,.12);color:var(--accent);
  border:1px solid rgba(255,122,69,.38);letter-spacing:.04em;
}
.badge-live .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.82);}}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-3);border:1px solid var(--line);}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:132px 0 56px;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(22,227,166,.10),transparent 62%),
    radial-gradient(760px 400px at 88% 8%,rgba(127,178,255,.08),transparent 60%),
    linear-gradient(180deg,rgba(7,12,20,.62) 0%,rgba(7,12,20,.9) 62%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:100% 46px;opacity:.35;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text);}
.page-head h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;
  margin:16px 0 16px;max-width:900px;
}
.page-head-desc{
  max-width:720px;color:var(--text-2);font-size:16px;line-height:1.85;
}
.chips{
  display:flex;gap:10px;margin-top:28px;overflow-x:auto;padding-bottom:4px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  transition:all .18s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(22,227,166,.1);}
.chip.active{background:rgba(22,227,166,.14);border-color:var(--line-strong);color:var(--primary);font-weight:600;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em;
}
.section-lead{margin-top:10px;color:var(--text-2);font-size:15px;}

/* ---------- 日期切换 ---------- */
.day-switch-wrap{position:relative;margin-bottom:36px;}
.day-switch{
  display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.day-switch::-webkit-scrollbar{display:none;}
.day-pill{
  flex:0 0 auto;scroll-snap-align:start;min-width:132px;
  padding:14px 18px;border-radius:var(--radius);text-align:left;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:all .2s var(--ease);
}
.day-pill:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.day-pill .dp-date{font-family:var(--num-font);font-size:22px;font-weight:700;letter-spacing:.06em;color:var(--text);display:block;line-height:1.2;}
.day-pill .dp-week{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.day-pill .dp-count{display:block;margin-top:6px;font-size:13px;color:var(--text-2);}
.day-pill.is-today{background:rgba(22,227,166,.08);border-color:var(--line-strong);}
.day-pill.is-today .dp-date{color:var(--primary);}

/* ---------- 时间轴 ---------- */
.timeline{display:flex;flex-direction:column;gap:44px;}
.day-block{display:grid;grid-template-columns:168px 1fr;gap:28px;align-items:start;}
.day-label{position:relative;padding-left:26px;padding-top:2px;}
.day-label::before{
  content:"";position:absolute;left:0;top:10px;width:11px;height:11px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(22,227,166,.14);
}
.day-label::after{
  content:"";position:absolute;left:5px;top:28px;bottom:-46px;width:1px;
  background:linear-gradient(180deg,rgba(22,227,166,.36),rgba(255,255,255,.08));
}
.day-block:last-child .day-label::after{display:none;}
.day-date{font-family:var(--num-font);font-size:30px;font-weight:700;letter-spacing:.06em;line-height:1.2;color:var(--text);}
.day-week{font-size:13px;color:var(--text-3);letter-spacing:.06em;margin-top:2px;}
.day-count{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:600;
  padding:2px 8px;border-radius:var(--radius-sm);
  background:rgba(127,178,255,.12);color:var(--blue);letter-spacing:.04em;
}
.match-list{display:flex;flex-direction:column;gap:16px;}
.match-row{
  display:grid;grid-template-columns:92px 1fr auto;gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.match-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(22,227,166,.3);}
.match-time{border-right:1px solid var(--line);padding-right:16px;}
.t-num{font-family:var(--num-font);font-size:26px;font-weight:700;letter-spacing:.06em;line-height:1.15;color:var(--text);display:block;}
.t-tz{font-size:11px;color:var(--text-3);letter-spacing:.08em;font-family:var(--num-font);}
.match-league{font-size:13px;color:var(--blue);letter-spacing:.02em;margin-bottom:4px;}
.match-teams{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);}
.match-teams .vs{font-family:var(--num-font);font-size:13px;color:var(--accent);letter-spacing:.08em;margin:0 8px;font-weight:700;}
.match-meta{font-size:13px;color:var(--text-3);margin-top:6px;}
.match-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.match-row.is-changed{border-color:rgba(255,122,69,.34);}
.match-note{
  grid-column:1 / -1;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--accent);
  padding-top:12px;border-top:1px dashed rgba(255,122,69,.26);margin-top:2px;
}

/* ---------- 预约与说明 ---------- */
.remind-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);
}
.panel h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.panel p.panel-desc{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.remind-form{display:grid;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-label{font-size:13px;color:var(--text-2);font-weight:500;}
.field input,.field select{
  height:46px;border-radius:var(--radius-btn);padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  width:100%;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(22,227,166,.16);background:rgba(255,255,255,.06);
}
.form-hint{font-size:13px;color:var(--text-3);line-height:1.7;}
.form-ok{
  display:none;align-items:center;gap:8px;font-size:14px;color:var(--primary);
  background:rgba(22,227,166,.1);border:1px solid rgba(22,227,166,.3);
  border-radius:var(--radius-btn);padding:10px 14px;
}
.form-ok.show{display:flex;}
.metric-list{display:grid;gap:14px;}
.metric-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.metric-item .m-label{font-size:14px;color:var(--text-2);}
.metric-item .m-value{font-family:var(--num-font);font-size:22px;font-weight:700;letter-spacing:.06em;color:var(--primary);}
.metric-item .m-value.alt{color:var(--blue);}

/* ---------- 公告 ---------- */
.notice-list{display:flex;flex-direction:column;gap:12px;}
.notice-item{
  display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;
  padding:16px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.notice-item:hover{border-color:rgba(127,178,255,.34);transform:translateY(-1px);}
.notice-time{font-family:var(--num-font);font-size:16px;font-weight:700;letter-spacing:.06em;color:var(--text-2);}
.notice-text{font-size:15px;color:var(--text);line-height:1.7;}
.notice-text span{color:var(--text-3);font-size:13px;display:block;margin-top:2px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:color .18s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:-16px;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:760px;}

/* ---------- 相关分类 ---------- */
.related-track{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
}
.related-track::-webkit-scrollbar{display:none;}
.related-card{
  flex:0 0 288px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(22,227,166,.32);}
.related-thumb{aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.related-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease);}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:18px 20px 22px;}
.related-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.related-body p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(22,227,166,.24);
  background:
    radial-gradient(600px 220px at 8% 20%,rgba(22,227,166,.18),transparent 62%),
    radial-gradient(520px 240px at 92% 80%,rgba(127,178,255,.12),transparent 60%),
    linear-gradient(120deg,#0C1622,#0A111B);
  padding:44px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.cta-band p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#05090F;border-top:1px solid var(--line);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:330px;}
.footer-rec{
  margin-top:14px;font-size:13px;color:var(--text-3);
  padding:8px 12px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  display:inline-block;
}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li,.footer-col a{font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);z-index:120;
  background:rgba(10,17,27,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s var(--ease);
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(3,6,11,.6);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-close{align-self:flex-end;width:44px;height:44px;border-radius:12px;color:var(--text-2);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:18px;}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong);}
.drawer-brand{display:flex;align-items:center;gap:10px;}
.drawer-search input{
  width:100%;height:46px;border-radius:var(--radius-btn);padding:0 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  padding:13px 0;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary);}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:auto;}
body.nav-locked{overflow:hidden;}

/* ---------- 粘性底条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(18,28,42,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.sticky-bar .sb-text{font-size:13px;color:var(--text-2);line-height:1.5;}
.sticky-bar .sb-text strong{display:block;color:var(--text);font-size:14px;font-weight:600;}
.sticky-bar.hidden{transform:translateY(120%);opacity:0;}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
}
@media(max-width:991px){
  .nav-links{display:none;}
  .nav-burger{display:inline-flex;}
  .nav{height:60px;}
  .logo-text{font-size:15px;}
  .logo-mark{width:28px;height:28px;flex:0 0 28px;}
  .icon-btn{width:38px;height:38px;}
  .section{padding:64px 0;}
  .page-head{padding:108px 0 44px;}
  .remind-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .day-block{grid-template-columns:1fr;gap:14px;}
  .day-label{padding-left:22px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
  .day-label::after{display:none;}
  .day-date{font-size:24px;}
  .day-count{margin-top:0;}
  .sticky-bar{display:flex;}
  .cta-band{padding:36px 24px;}
  .notice-item{grid-template-columns:96px 1fr;gap:12px;}
  .notice-item .notice-side{grid-column:1 / -1;}
}
@media(max-width:767px){
  .match-row{grid-template-columns:74px 1fr;gap:14px;padding:16px;}
  .match-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;width:100%;padding-top:12px;border-top:1px solid var(--line);}
  .t-num{font-size:22px;}
  .match-teams{font-size:16px;}
  .match-time{border-right:none;padding-right:0;}
  .panel{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .related-card{flex:0 0 244px;}
}
@media(max-width:575px){
  .section{padding:56px 0;}
  .page-head h1{font-size:28px;}
  .page-head-desc{font-size:15px;}
  .section-head{margin-bottom:24px;}
  .day-pill{min-width:118px;padding:12px 14px;}
  .remarks{padding:0;}
  .footer-brand p{max-width:100%;}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .badge-live .dot{animation:none;}
}

/* roulang page: category3 */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --mint:#16E3A6;
  --mint-hover:#4BF0BF;
  --mint-press:#0FB884;
  --orange:#FF7A45;
  --ice:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --ink:#04120D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-mint:rgba(22,227,166,.45);
  --ok:#16E3A6;
  --warn:#FFB020;
  --err:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:6px;
  --r-btn:12px;
  --sh:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.06);
  --sh-hover:0 14px 32px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.11);
  --container:1200px;
  --num-font: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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--mint)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--num-font);font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(7,12,20,.28);
  transition:background .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);font-weight:700}
.logo-mark{width:34px;height:34px;flex:0 0 auto}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;line-height:1.4;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;color:var(--text-2);
  border:1px solid transparent;transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.06);border-color:var(--line)}
.icon-btn:active{transform:translateY(1px)}
.nav-burger{display:none}
.scroll-progress{height:2px;width:0;background:linear-gradient(90deg,var(--mint),rgba(22,227,166,0));transition:width .1s linear}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{
  background:var(--mint);color:var(--ink);
  box-shadow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
}
.btn-primary:hover{background:var(--mint-hover);color:var(--ink);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 12px 36px rgba(22,227,166,.32)}
.btn-primary:active{background:var(--mint-press);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.45),0 4px 14px rgba(22,227,166,.2)}
.btn-ghost{
  background:var(--glass);color:var(--text);border:1px solid var(--line);border-radius:var(--r-btn);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.btn-ghost:hover{border-color:var(--line-mint);background:rgba(22,227,166,.08);color:var(--text);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--text);font-size:15px;font-weight:600;
}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{color:var(--mint)}
.btn-text:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,14,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:140;
  background:#080E17;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s cubic-bezier(.2,.8,.2,1);
  display:flex;flex-direction:column;padding:18px 20px 28px;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-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--mint)}
.drawer-links a:hover{color:var(--text)}
.drawer-search{
  display:flex;align-items:center;gap:10px;background:var(--glass);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;margin-bottom:18px;color:var(--text-3);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.drawer-search input{
  flex:1;background:none;border:0;color:var(--text);font-size:15px;outline:none;
}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--text-3);line-height:1.9;border-top:1px solid var(--line);padding-top:16px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:110px 0 56px;
  background:
    linear-gradient(180deg,rgba(7,12,20,.72) 0%,rgba(7,12,20,.9) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 320px at 12% 8%,rgba(22,227,166,.10),transparent 70%),
    radial-gradient(560px 300px at 88% 22%,rgba(127,178,255,.08),transparent 72%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:100% 5px;
}
.page-hero .container{position:relative;z-index:1}
.page-hero .breadcrumb{margin-bottom:22px}
.hero-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.page-hero h1{
  font-size:44px;line-height:1.25;max-width:900px;margin-bottom:16px;
}
.page-hero h1 .accent{color:var(--mint)}
.hero-desc{max-width:760px;font-size:17px;line-height:1.85;color:var(--text-2)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:28px}
.hero-stat{display:flex;flex-direction:column;gap:2px}
.hero-stat .v{font-size:22px;color:var(--text);font-family:var(--num-font);font-weight:700;letter-spacing:.04em}
.hero-stat .k{font-size:13px;color:var(--text-3)}
.pill-nav{
  display:flex;gap:10px;margin-top:30px;overflow-x:auto;padding-bottom:6px;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 92%,transparent 100%);
  mask-image:linear-gradient(90deg,#000 92%,transparent 100%);
}
.pill-nav::-webkit-scrollbar{display:none}
.pill-nav a{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);background:rgba(15,25,38,.85);border:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.pill-nav a:hover{color:var(--text);border-color:var(--line-mint);background:rgba(22,227,166,.1);transform:translateY(-1px)}
.pill-nav a:active{transform:translateY(0)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
  border:1px solid var(--line);color:var(--text-2);background:rgba(15,25,38,.9);
}
.badge-mint{color:var(--mint);border-color:rgba(22,227,166,.42);background:rgba(22,227,166,.1)}
.badge-orange{color:var(--orange);border-color:rgba(255,122,69,.42);background:rgba(255,122,69,.1)}
.badge-ice{color:var(--ice);border-color:rgba(127,178,255,.42);background:rgba(127,178,255,.1)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);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-head h2{font-size:32px;line-height:1.25}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--text-3);line-height:1.8}
.section-head .head-action{flex:0 0 auto}

/* ============ 杂志式双栏 ============ */
.magazine{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:24px;align-items:start}
.headline{
  display:block;background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.headline:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.headline-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1420}
.headline-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.headline:hover .headline-media img{transform:scale(1.03)}
.headline-media .badge{position:absolute;left:16px;top:16px}
.headline-body{padding:24px 28px 26px}
.headline-body h3{font-size:24px;line-height:1.4;margin-bottom:12px}
.headline-body p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:16px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.meta .num{color:var(--text-3)}

.brief-list{display:flex;flex-direction:column;gap:12px}
.brief{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;align-items:center;
  padding:12px;background:var(--card);border-radius:var(--r-md);
  border:1px solid var(--line);box-shadow:var(--sh);
  transition:transform .18s ease,border-color .18s ease,box-shadow .2s ease;
}
.brief:hover{transform:translateY(-2px);border-color:var(--line-mint);box-shadow:var(--sh-hover)}
.brief-thumb{aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#0B1420}
.brief-thumb img{width:100%;height:100%;object-fit:cover}
.brief h3{font-size:15px;line-height:1.55;font-weight:600;margin-bottom:6px}
.brief .meta{font-size:12px;gap:8px}
.brief-no{
  font-family:var(--num-font);font-size:12px;font-weight:700;color:var(--mint);
  letter-spacing:.1em;opacity:.9;
}

/* ============ 分类速览卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border-radius:var(--r-md);
  border:1px solid var(--line);box-shadow:var(--sh);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.news-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1420}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-card-media .badge{position:absolute;left:14px;top:14px}
.news-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card-body h3{font-size:18px;line-height:1.5}
.news-card-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.news-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.news-card-foot .meta{font-size:12px}
.news-card-foot .arrow{color:var(--text-3);transition:transform .2s ease,color .2s ease}
.news-card:hover .news-card-foot .arrow{color:var(--mint);transform:translateX(4px)}

/* ============ 资讯列表区 ============ */
.list-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
}
.list-row{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto 24px;gap:18px;align-items:center;
  padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background .18s ease,box-shadow .18s ease;
}
.list-row:last-child{border-bottom:0}
.list-row:hover{background:rgba(22,227,166,.06);box-shadow:inset 3px 0 0 var(--mint)}
.list-date{font-family:var(--num-font);font-weight:700;font-size:15px;color:var(--text-3);letter-spacing:.06em}
.list-row h3{font-size:16px;font-weight:600;line-height:1.6;margin-bottom:4px}
.list-row .row-sub{font-size:13px;color:var(--text-3);line-height:1.7}
.list-row .arrow{color:var(--text-3);transition:transform .2s ease,color .2s ease}
.list-row:hover .arrow{color:var(--mint);transform:translateX(4px)}
.list-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;text-align:center;
}
.list-empty svg{color:rgba(22,227,166,.4)}
.list-empty p{font-size:14px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px 20px 16px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;line-height:1.6;position:relative;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--mint);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary:hover{color:var(--mint)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);transition:transform .24s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--mint)}
.faq-answer{padding:0 4px 22px 16px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:840px}

/* ============ 相关分类横滑 ============ */
.related-strip{
  display:flex;gap:16px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 94%,transparent 100%);
  mask-image:linear-gradient(90deg,#000 94%,transparent 100%);
}
.related-strip::-webkit-scrollbar{display:none}
.related-card{
  flex:0 0 auto;scroll-snap-align:start;width:250px;
  display:flex;flex-direction:column;gap:8px;padding:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);
  transition:transform .18s ease,border-color .18s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-mint);box-shadow:var(--sh-hover)}
.related-card .tag{font-size:12px;color:var(--mint);letter-spacing:.06em;font-weight:600}
.related-card h3{font-size:17px}
.related-card p{font-size:13px;color:var(--text-3);line-height:1.75}

/* ============ CTA 带 ============ */
.cta-band{
  margin-top:8px;padding:34px 32px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(22,227,166,.14),rgba(127,178,255,.08) 62%,rgba(15,25,38,.9));
  border:1px solid rgba(22,227,166,.28);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.4;margin-bottom:6px}
.cta-band p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:640px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#05090F;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-rec{
  margin-top:16px;font-size:13px;line-height:1.8;color:var(--text-3);
  border-left:3px solid rgba(22,227,166,.5);padding-left:12px;
}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--text-3);line-height:1.7}
.footer-col a{color:var(--text-3);font-size:14px}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* 移动粘性 CTA */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:110;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,28,42,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  transform:translateY(0);transition:transform .24s ease,opacity .24s ease;
}
.sticky-cta p{font-size:13px;color:var(--text-2);line-height:1.5;margin:0}
.sticky-cta p strong{display:block;font-size:14px;color:var(--text);font-weight:600}
.sticky-cta.is-hidden{transform:translateY(120%);opacity:0}

/* 动画 */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .32s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 22px}
  .page-hero h1{font-size:38px}
  .nav-links{gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .nav{gap:16px;height:64px}
  .section{padding:64px 0}
  .magazine{grid-template-columns:1fr}
  .page-hero{padding:96px 0 48px}
  .page-hero h1{font-size:34px}
  .section-head h2{font-size:26px}
  .cta-band{padding:28px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .logo-text{font-size:15px}
  .btn-sm{padding:0 14px;font-size:13px}
  .page-hero h1{font-size:28px}
  .hero-desc{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .headline-body{padding:20px}
  .headline-body h3{font-size:19px}
  .brief{grid-template-columns:78px minmax(0,1fr)}
  .list-row{grid-template-columns:64px minmax(0,1fr) 20px;gap:12px;padding:16px}
  .list-row .badge{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .sticky-cta{display:flex}
  body{padding-bottom:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center;gap:8px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .nav{height:60px}
  .page-hero{padding:88px 0 40px}
  .page-hero h1{font-size:26px}
  .section{padding:56px 0}
  .section-head h2{font-size:23px}
  .hero-stats{gap:12px 24px}
  .hero-stat .v{font-size:19px}
  .related-card{width:220px}
  .cta-band h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:15px;padding:18px 4px 18px 14px}
  .faq-answer{padding:0 4px 18px 14px;font-size:14px}
}

/* roulang page: category4 */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --bg-deep:#05090F;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --brand:#16E3A6;
  --brand-hover:#4BF0BF;
  --brand-press:#0FB884;
  --accent:#FF7A45;
  --ice:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --on-brand:#04120D;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(22,227,166,.45);
  --success:#16E3A6;
  --warning:#FFB020;
  --danger:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:6px;
  --r-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 12px 32px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.09);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::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:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px;border-radius:4px}

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

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;gap:var(--sp-5);height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;margin-right:auto}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:var(--sp-3);flex-shrink:0}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;color:var(--text-2);border:1px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);background:rgba(22,227,166,.08);border-color:var(--line-brand)}
.icon-btn:active{color:var(--brand-press)}
.nav-burger{display:none}
.scroll-progress{
  height:2px;width:0;background:linear-gradient(90deg,var(--brand),rgba(22,227,166,0));
  transition:width .1s linear;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);color:var(--on-brand);
  box-shadow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 10px 36px rgba(22,227,166,.35);color:var(--on-brand)}
.btn-primary:active{background:var(--brand-press);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.4),0 4px 14px rgba(22,227,166,.2)}
.btn-ghost{
  background:var(--glass);color:var(--text);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--line-brand);background:rgba(22,227,166,.1);color:var(--text);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-pill)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
  min-height:44px;
}
.btn-text .arrow{transition:transform .18s var(--ease)}
.btn-text:hover{color:var(--brand-hover)}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(22,227,166,.12);color:var(--brand);
  border:1px solid rgba(22,227,166,.28);
}
.badge-live{background:rgba(255,122,69,.12);color:var(--accent);border-color:rgba(255,122,69,.4)}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
.badge-ice{background:rgba(127,178,255,.12);color:var(--ice);border-color:rgba(127,178,255,.32)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding-top:var(--sp-5);
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text)}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:110px 0 56px;
  background-image:linear-gradient(180deg,rgba(7,12,20,.62),rgba(7,12,20,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 320px at 12% 18%,rgba(22,227,166,.08),transparent 70%),
    radial-gradient(520px 300px at 88% 8%,rgba(127,178,255,.06),transparent 72%);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-head .container{position:relative;z-index:2}
.page-head h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:.01em;
  margin:18px 0 16px;max-width:820px;
}
.page-head .lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:720px}
.anchor-tabs{
  display:flex;gap:10px;margin-top:var(--sp-5);
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;padding-bottom:4px;
}
.anchor-tabs::-webkit-scrollbar{display:none}
.anchor-tabs a{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:all .18s var(--ease);
}
.anchor-tabs a:hover,.anchor-tabs a:active{border-color:var(--line-brand);color:var(--brand);background:rgba(22,227,166,.08)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);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:var(--sp-4);margin-bottom:var(--sp-6);flex-wrap:wrap}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:.01em}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-3);line-height:1.7}

/* ---------- step flow ---------- */
.step-flow{position:relative;padding-left:76px}
.step-flow::before{
  content:"";position:absolute;left:29px;top:12px;bottom:36px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(22,227,166,.12));
}
.step{position:relative;margin-bottom:var(--sp-5)}
.step:last-child{margin-bottom:0}
.step-num{
  position:absolute;left:-76px;top:6px;
  width:60px;height:60px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:26px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--card);border:1px solid var(--line-brand);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(255,255,255,.14)}
.step-card h3{font-size:21px;font-weight:600;line-height:1.4;margin-bottom:10px}
.step-card p{color:var(--text-2);font-size:16px;line-height:1.85}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--text-2);
  padding:4px 10px;border-radius:var(--r-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);
}
details.mini{
  margin-top:16px;border-top:1px solid var(--line);padding-top:14px;
}
details.mini summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:15px;font-weight:600;color:var(--text);min-height:44px;
}
details.mini summary::-webkit-details-marker{display:none}
details.mini summary::after{
  content:"";width:8px;height:8px;flex-shrink:0;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
details.mini[open] summary::after{transform:rotate(-135deg)}
details.mini .mini-a{font-size:15px;color:var(--text-2);line-height:1.8;padding:6px 0 4px;border-left:3px solid var(--line-brand);padding-left:12px;margin-top:8px}

/* ---------- prep grid ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:var(--sp-6)}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.prep-card:hover{transform:translateY(-2px);border-color:var(--line-brand);box-shadow:var(--shadow-hover)}
.prep-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(127,178,255,.1);border:1px solid rgba(127,178,255,.28);color:var(--ice);
  margin-bottom:14px;
}
.prep-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.prep-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.prep-meta{margin-top:14px;font-family:var(--font-num);font-size:13px;letter-spacing:.06em;color:var(--text-3)}

/* ---------- quality table ---------- */
.table-wrap{
  margin-top:var(--sp-6);overflow-x:auto;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:620px}
thead th{
  text-align:left;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--text-3);
  padding:16px 20px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:16px 20px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line)}
tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{color:var(--text);font-weight:600}
.num{font-family:var(--font-num);font-weight:700;letter-spacing:.06em}
.num-brand{color:var(--brand)}

/* ---------- faq ---------- */
.faq{margin-top:var(--sp-6);border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px 20px 0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;width:16px;height:16px;flex-shrink:0;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;right:0;top:50%;height:2px;border-radius:2px;background:var(--brand);
  transform:translateY(-50%);
}
.faq-icon::after{transform:translateY(-50%) rotate(90deg);transition:opacity .24s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);border-left:3px solid transparent;transition:border-color .24s var(--ease)}
.faq-item.open .faq-a-inner{border-left-color:var(--brand);padding-left:14px}
.faq-item.open .faq-q{color:var(--brand)}

/* ---------- related strip ---------- */
.strip-wrap{position:relative}
.strip{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.strip::-webkit-scrollbar{display:none}
.rel-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--line-brand);box-shadow:var(--shadow-hover)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1420}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px}
.rel-body p{font-size:14px;color:var(--text-3);line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(22,227,166,.14),rgba(127,178,255,.08) 60%,transparent);
  border:1px solid var(--line-brand);border-radius:var(--r-lg);
  padding:40px 36px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);flex-wrap:wrap;
}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.35}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-rec{
  margin-top:16px;font-size:13px;color:var(--text-3);
  border-left:3px solid rgba(22,227,166,.4);padding-left:12px;line-height:1.7;
}
.footer-col h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-col ul li{font-size:14px;color:var(--text-3);line-height:2.1}
.footer-col ul li a{color:var(--text-3)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:var(--sp-7);padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.6);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:140;
  background:#080E18;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px;gap:18px;overflow-y:auto;
}
.nav-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);color:var(--text-2);
}
.drawer-close:hover{color:var(--brand);border-color:var(--line-brand)}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active,.drawer-links a:hover{color:var(--brand)}
.drawer-search{position:relative}
.drawer-search input{
  width:100%;height:46px;padding:0 14px 0 42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,227,166,.16)}
.drawer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3)}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--text-3);line-height:1.8;border-top:1px solid var(--line);padding-top:16px}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:110;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  min-height:64px;
  background:rgba(10,17,27,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .26s var(--ease);
}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .txt{font-size:13px;line-height:1.5;color:var(--text-2)}
.sticky-cta .txt strong{display:block;font-size:14px;color:var(--text);font-weight:600}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:40px}
  .section-head h2{font-size:30px}
  .footer-grid{gap:32px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .nav-right .btn-primary{display:none}
  .page-head{padding:96px 0 48px}
  .page-head h1{font-size:34px}
  .section{padding:64px 0}
  .prep-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .step-flow{padding-left:64px}
  .step-flow::before{left:24px}
  .step-num{left:-64px;width:50px;height:50px;font-size:22px;border-radius:14px}
  .step-card{padding:22px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-head h1{font-size:30px}
  .page-head .lead{font-size:16px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .sticky-cta{display:flex}
  .rel-card{flex:0 0 260px}
  .strip{gap:16px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .page-head{padding:88px 0 40px}
  .page-head h1{font-size:27px}
  .prep-grid{grid-template-columns:1fr;gap:16px}
  .step-flow{padding-left:0}
  .step-flow::before{display:none}
  .step-num{position:static;margin-bottom:12px}
  .step-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .anchor-tabs a{font-size:13px;padding:7px 13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --bg:#070C14;
  --bg-alt:#0A111B;
  --bg-deep:#05090F;
  --card:#0F1926;
  --glass:rgba(18,28,42,.55);
  --primary:#16E3A6;
  --primary-hover:#4BF0BF;
  --primary-active:#0FB884;
  --accent:#FF7A45;
  --blue:#7FB2FF;
  --text:#F2F6FB;
  --text-2:#A9B7C9;
  --text-3:#6E7F95;
  --inv:#04120D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(22,227,166,.45);
  --warn:#FFB020;
  --err:#FF5C5C;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 12px 32px rgba(0,0,0,.48),0 0 0 1px rgba(255,255,255,.09);
  --glow:0 0 0 1px rgba(22,227,166,.5),0 8px 28px rgba(22,227,166,.25);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::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(--sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;background:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
::selection{background:rgba(22,227,166,.28);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--inv);box-shadow:var(--glow)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(22,227,166,.55),0 10px 36px rgba(22,227,166,.32)}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);box-shadow:0 0 0 1px rgba(22,227,166,.4),0 4px 14px rgba(22,227,166,.2)}
.btn-ghost{background:var(--glass);border:1px solid var(--line);color:var(--text);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(22,227,166,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--text);font-size:15px;font-weight:600;min-height:44px;padding:0 4px;transition:color .18s var(--ease)}
.btn-text .arrow{transition:transform .18s var(--ease)}
.btn-text:hover{color:var(--primary)}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:68px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),backdrop-filter .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .container{height:100%}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:22px 0;transition:color .18s var(--ease);min-height:44px;display:inline-flex;align-items:center;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  color:var(--text-2);border:1px solid transparent;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.06);border-color:var(--line)}
.nav-burger{display:none}
.scroll-progress{
  position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--primary),rgba(22,227,166,0));
  transition:width .1s linear;
}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:120;
  background:#0A111B;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-close{
  position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);border:1px solid var(--line);
}
.nav-drawer .drawer-close:hover{color:var(--text);border-color:var(--line-strong)}
.drawer-brand{display:flex;align-items:center;gap:10px;padding:8px 0 20px;border-bottom:1px solid var(--line)}
.drawer-search{
  display:flex;align-items:center;gap:10px;margin:20px 0 16px;
  background:rgba(18,28,42,.75);border:1px solid var(--line);border-radius:12px;padding:0 14px;height:44px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.drawer-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,227,166,.16)}
.drawer-search input{flex:1;background:none;border:0;outline:none;font-size:15px;color:var(--text);min-width:0}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.drawer-list a:hover,.drawer-list a.active{color:var(--primary);padding-left:8px}
.drawer-list a.active{font-weight:600}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--text-3);line-height:1.9;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot strong{color:var(--text-2);font-weight:600}
.drawer-cta{margin:8px 0 18px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.7);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);backdrop-filter:blur(2px);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页面头部 ---------- */
.page-head{
  position:relative;
  padding:120px 0 56px;
  background-image:linear-gradient(180deg,rgba(7,12,20,.62),rgba(7,12,20,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 30%;
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 380px at 12% 8%,rgba(22,227,166,.13),transparent 68%),
    radial-gradient(560px 340px at 88% 0%,rgba(127,178,255,.10),transparent 70%);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:linear-gradient(180deg,#000,transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{transition:color .18s var(--ease);min-height:44px;display:inline-flex;align-items:center}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text)}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 11px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(22,227,166,.12);color:var(--primary);border:1px solid rgba(22,227,166,.32);
}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);border-color:rgba(255,122,69,.34)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:breathe 2s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}
.page-head h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;margin:18px 0 16px;max-width:820px;
}
.page-head h1 .hl{color:var(--primary)}
.page-head .lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:660px}
.page-head .head-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px}
.head-stat .num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--text);letter-spacing:.06em;line-height:1.2}
.head-stat .num em{font-style:normal;font-size:14px;color:var(--text-2);margin-left:4px;letter-spacing:0}
.head-stat .lab{font-size:13px;color:var(--text-3)}

/* ---------- 锚点胶囊 ---------- */
.anchors{display:flex;gap:10px;overflow-x:auto;padding:26px 0 4px;scrollbar-width:none;-ms-overflow-style:none}
.anchors::-webkit-scrollbar{display:none}
.anchors a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid var(--line);background:rgba(18,28,42,.5);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.anchors a:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(22,227,166,.08)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:.01em}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.7}
.section-head .after-line{width:52px;height:3px;border-radius:2px;background:var(--primary);margin-top:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--primary);border-radius:2px}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding:6px 2px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--text-2);background:var(--card);border:1px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.filter-chip:hover{color:var(--text);border-color:rgba(255,255,255,.18);transform:translateY(-1px)}
.filter-chip.is-active{background:rgba(22,227,166,.14);border-color:var(--line-strong);color:var(--primary);font-weight:600}
.filter-chip .cnt{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.06em}
.filter-chip.is-active .cnt{color:rgba(22,227,166,.8)}

/* ---------- 竖版瀑布流 ---------- */
.waterfall{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.clip-card{
  position:relative;
  background:var(--card);
  border-radius:var(--r-md);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.clip-card:nth-child(2n){margin-top:34px}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(255,255,255,.14)}
.clip-card:hover .clip-thumb img{transform:scale(1.045)}
.clip-card:hover .play-btn{background:var(--primary);color:var(--inv);box-shadow:0 0 0 1px rgba(22,227,166,.6),0 8px 26px rgba(22,227,166,.35)}
.clip-thumb{
  position:relative;display:block;width:100%;aspect-ratio:9/16;
  background:linear-gradient(160deg,#122033,#0A111B);overflow:hidden;
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.clip-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.05) 0%,rgba(5,9,15,.15) 55%,rgba(5,9,15,.78) 100%);
}
.clip-duration{
  position:absolute;top:10px;right:10px;z-index:3;
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:3px 8px;border-radius:var(--r-sm);
  background:rgba(5,9,15,.78);color:var(--text);border:1px solid rgba(255,255,255,.14);
}
.clip-tag{
  position:absolute;top:10px;left:10px;z-index:3;
  font-size:11px;font-weight:600;letter-spacing:.04em;
  padding:3px 8px;border-radius:var(--r-sm);
  background:rgba(255,122,69,.16);color:var(--accent);border:1px solid rgba(255,122,69,.38);
}
.play-btn{
  position:absolute;top:50%;left:50%;z-index:3;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(18,28,42,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.22);color:var(--text);
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.clip-body{padding:14px 16px 16px}
.clip-body h3{font-size:15px;line-height:1.5;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px}
.clip-body h3 a{transition:color .18s var(--ease)}
.clip-body h3 a:hover{color:var(--primary)}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;font-size:12px;color:var(--text-3)}
.clip-meta .heat{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-2)}
.clip-meta .heat svg{display:inline-block;vertical-align:-2px;margin-right:4px}

/* ---------- 热度榜 ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-row{
  display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:18px;
  padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease),padding-left .18s var(--ease),box-shadow .18s var(--ease);
}
.rank-row:hover{background:var(--glass);padding-left:20px;box-shadow:inset 3px 0 0 0 var(--primary)}
.rank-num{font-family:var(--mono);font-size:28px;font-weight:700;color:rgba(22,227,166,.32);letter-spacing:.06em;line-height:1}
.rank-main{min-width:0}
.rank-main h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--text);transition:color .18s var(--ease)}
.rank-row:hover .rank-main h3{color:var(--primary)}
.rank-main p{font-size:13px;color:var(--text-3);margin-top:2px}
.rank-side{display:flex;align-items:center;gap:16px}
.rank-heat{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--text-2);letter-spacing:.06em}
.rank-side .btn-sm{min-height:36px}

/* ---------- 相关分类横滑 ---------- */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:48px;pointer-events:none;z-index:2;
}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(7,12,20,0))}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(7,12,20,0))}
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 16px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  display:flex;flex-direction:column;gap:10px;
  padding:20px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rail-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.rail-card .k{font-size:12px;letter-spacing:.1em;color:var(--text-3);font-weight:600}
.rail-card strong{font-size:18px;font-weight:700;color:var(--text)}
.rail-card span.d{font-size:14px;color:var(--text-2);line-height:1.7}
.rail-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);margin-top:2px}
.rail-card:hover .go svg{transform:translateX(4px)}
.rail-card .go svg{transition:transform .18s var(--ease)}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px 20px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:color .18s var(--ease);min-height:44px;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--primary);
  transition:height .24s var(--ease);
}
.faq-item.is-open .faq-q::before{height:22px}
.faq-q:hover{color:var(--primary)}
.faq-q .chev{flex-shrink:0;color:var(--text-3);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a .inner{padding:0 40px 22px 16px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(22,227,166,.10),rgba(15,25,38,.92) 46%,rgba(127,178,255,.08));
  padding:40px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,227,166,.18),transparent 66%);pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer-rec{
  margin-top:16px;display:inline-block;font-size:13px;color:var(--text-3);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:7px 12px;line-height:1.6;
}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.01em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col a{color:var(--text-2);transition:color .18s var(--ease);display:inline-flex;align-items:center;min-height:22px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 移动端粘性 CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom)) 16px;
  background:rgba(10,17,27,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  transform:translateY(0);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.sticky-cta.is-hidden{transform:translateY(120%);opacity:0}
.sticky-cta .txt{font-size:13px;color:var(--text-2);line-height:1.4}
.sticky-cta .txt strong{display:block;font-size:14px;color:var(--text);font-weight:600}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.fade-up.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 22px}
  .waterfall{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .clip-card:nth-child(2n){margin-top:0}
  .clip-card:nth-child(3n+2){margin-top:28px}
  .nav-links{gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .page-head{padding:104px 0 48px}
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .nav-right .btn-sm{min-height:36px;padding:0 14px;font-size:13px}
  .waterfall{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .rail-card{flex-basis:270px}
  .cta-band{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header{height:60px}
  .logo-mark{width:30px;height:30px}
  .logo-text{font-size:15px}
  .section{padding:56px 0}
  .page-head{padding:92px 0 40px;background-position:center 18%}
  .page-head .head-stats{gap:22px;margin-top:24px}
  .head-stat .num{font-size:22px}
  .waterfall{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .clip-card:nth-child(4n+2){margin-top:22px}
  .clip-card:nth-child(3n+2){margin-top:22px}
  .clip-body{padding:12px 12px 14px}
  .clip-body h3{font-size:14px;min-height:42px}
  .clip-meta{font-size:11px;margin-top:8px}
  .clip-meta .heat{font-size:12px}
  .clip-duration{font-size:11px;top:8px;right:8px}
  .clip-tag{font-size:10px;top:8px;left:8px}
  .play-btn{width:44px;height:44px}
  .rank-row{grid-template-columns:40px 1fr;gap:12px;padding:16px 8px}
  .rank-num{font-size:22px}
  .rank-side{grid-column:2;justify-content:flex-start;gap:12px}
  .rank-main h3{font-size:15px}
  .cta-band{padding:26px 20px;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:32px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{justify-content:center;text-align:center;font-size:12px}
  .sticky-cta{display:flex}
  .site-footer{padding-bottom:72px}
  .faq-a .inner{padding:0 20px 20px 16px;font-size:14px}
  .section-head{margin-bottom:24px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .page-head h1{font-size:28px}
  .page-head .lead{font-size:15px}
  .anchors{padding:20px 0 2px}
  .anchors a{height:36px;font-size:13px;padding:0 14px}
  .filter-chip{height:38px;font-size:13px;padding:0 15px}
  .rail-card{flex-basis:250px;padding:16px}
  .rail-card strong{font-size:16px}
  .clip-body h3{font-size:13.5px}
  .breadcrumb{font-size:12px}
  .cta-band h2{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .fade-up{opacity:1;transform:none}
}