/* roulang page: index */
:root{
  --bg:#0A0B0F;
  --panel:#12141B;
  --panel-2:#1A1D26;
  --panel-3:#232733;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --text:#F5F6F8;
  --text-2:#A7ADBB;
  --text-3:#6E7686;
  --primary:#FF5C36;
  --primary-hover:#FF7350;
  --primary-soft:rgba(255,92,54,.12);
  --accent:#4FD1C5;
  --accent-soft:rgba(79,209,197,.12);
  --amber:#FFC24B;
  --amber-soft:rgba(255,194,75,.16);
  --ok:#3DD68C;
  --r-xl:20px;
  --r-lg:16px;
  --r-sm:10px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 18px 44px rgba(0,0,0,.55);
  --sidebar:232px;
  --step:8px;
}
*,*::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","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}

/* ============ 布局骨架 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--panel);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:80;
  overflow-y:auto;
  scrollbar-width:thin;
}
.brand{display:flex;align-items:center;gap:12px;padding:0 6px 22px;border-bottom:1px solid var(--line-soft)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#B22F14);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.04em;color:#0A0B0F;
  box-shadow:0 8px 20px rgba(255,92,54,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.02em;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:4px;padding:20px 0}
.nav-item{
  position:relative;
  display:flex;align-items:center;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:background .2s,color .2s,transform .2s;
}
.nav-item:hover{background:var(--panel-2);color:var(--text)}
.nav-item.active{background:var(--panel-2);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}
.side-search{padding:4px 6px 0}
.side-search input{
  width:100%;height:44px;padding:0 16px;
  background:#0D0F15;border:1px solid var(--line);border-radius:999px;
  color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.side-search input::placeholder{color:var(--text-3)}
.side-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,92,54,.16)}
.side-foot{margin-top:auto;padding:22px 6px 0;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:12px}
.side-foot p{font-size:13px;color:var(--text-2);line-height:1.7}
.side-meta{font-size:12px;color:var(--text-3);letter-spacing:.04em}

.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:rgba(10,11,15,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  align-items:center;gap:12px;padding:0 14px;
}
.burger{
  width:40px;height:40px;border-radius:var(--r-sm);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  border:1px solid var(--line);
}
.burger span{display:block;width:16px;height:1.6px;background:var(--text);border-radius:2px}
.topbar-brand{font-size:16px;font-weight:800;letter-spacing:-.01em}
.topbar-cta{margin-left:auto}

.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:95;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:100;
  background:var(--panel);border-right:1px solid var(--line);
  transform:translateX(-100%);transition:transform .28s ease;
  padding:22px 16px;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:34px;height:34px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--text-2);font-size:16px;line-height:1;
}

.main{margin-left:var(--sidebar);min-width:0;display:flex;flex-direction:column;min-height:100vh}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:transform .2s ease,background .2s,color .2s,border-color .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#0A0B0F;box-shadow:0 10px 24px rgba(255,92,54,.25)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,92,54,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.btn .arw{transition:transform .2s}
.btn:hover .arw{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;font-size:12px;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent);
  border:1px solid rgba(79,209,197,.22);
  white-space:nowrap;
}
.badge-amber{background:var(--amber-soft);color:var(--amber);border-color:rgba(255,194,75,.26)}
.badge-line{background:transparent;color:var(--text-2);border-color:var(--line)}

.link-more{
  font-size:14px;color:var(--accent);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;transition:color .2s,gap .2s;
}
.link-more:hover{color:var(--primary)}
.link-more .arw{transition:transform .2s}
.link-more:hover .arw{transform:translateX(3px)}

.arrow-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;transition:border-color .2s,color .2s,background .2s;
}
.arrow-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:80vh;display:flex;align-items:flex-end;
  overflow:hidden;border-bottom:1px solid var(--line-soft);
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(110% 80% at 18% 22%,rgba(255,92,54,.20),transparent 62%),
    linear-gradient(180deg,rgba(10,11,15,.5) 0%,rgba(10,11,15,.72) 46%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:150px;padding-bottom:76px;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);font-size:12px;letter-spacing:.06em;color:var(--text-2);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--primary);font-style:normal}
.hero h1{
  font-size:clamp(28px,4vw,46px);
  max-width:19ch;margin:20px 0 18px;
  text-shadow:0 4px 24px rgba(0,0,0,.5);
}
.hero-sub{font-size:clamp(15px,1.3vw,18px);color:var(--text-2);max-width:52ch;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0 18px;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.hero-meta li{position:relative;padding-left:0}
.hero-meta li+li{padding-left:18px}
.hero-meta li+li::before{
  content:"";position:absolute;left:0;top:50%;width:1px;height:12px;
  background:var(--line);transform:translateY(-50%);
}
.hero-time{position:absolute;right:32px;bottom:26px;z-index:2;font-size:12px;color:var(--text-3);letter-spacing:.06em}

/* ============ 板块通用 ============ */
.section{padding:76px 0}
.section-alt{background:linear-gradient(180deg,rgba(18,20,27,.7),rgba(10,11,15,0));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;
}
.section-head h2{font-size:clamp(22px,2.4vw,32px);position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:3px;background:var(--primary);
}
.section-desc{margin-top:10px;font-size:14px;color:var(--text-2);max-width:60ch}
.head-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ============ 横向片单轨道 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--panel-3);border-radius:99px}
.poster-card{
  flex:0 0 258px;scroll-snap-align:start;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:12px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(255,92,54,.45);box-shadow:var(--shadow-hover)}
.poster-thumb{position:relative;border-radius:12px;overflow:hidden;background:var(--panel-2)}
.poster-thumb img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .35s}
.poster-card:hover .poster-thumb img{transform:scale(1.03)}
.poster-thumb .badge{position:absolute;top:10px;left:10px}
.poster-dur{
  position:absolute;right:10px;bottom:10px;
  font-size:12px;color:var(--text);background:rgba(10,11,15,.72);
  border:1px solid var(--line);border-radius:6px;padding:1px 7px;
}
.poster-card h3{margin-top:14px;font-size:16px;font-weight:700;line-height:1.5}
.poster-cat{margin-top:6px;font-size:13px;color:var(--text-3)}

/* ============ 主推 + 榜单 ============ */
.hot-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start}
.hot-lead{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-2);
}
.hot-lead img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85}
.hot-lead-body{
  position:absolute;left:0;right:0;bottom:0;padding:28px;
  background:linear-gradient(180deg,rgba(10,11,15,0),rgba(10,11,15,.92) 55%);
}
.hot-lead-body h3{font-size:clamp(20px,2vw,26px);margin:14px 0 10px}
.hot-lead-body p{font-size:14px;color:var(--text-2);max-width:56ch}
.hot-lead-body .btn{margin-top:20px}
.hot-tags{display:flex;gap:8px;flex-wrap:wrap}

.rank-panel{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:20px;
}
.rank-panel h3{font-size:16px;letter-spacing:.02em;margin-bottom:6px}
.rank-panel .rank-hint{font-size:12px;color:var(--text-3);margin-bottom:12px}
.rank-row{
  display:flex;align-items:center;gap:14px;height:56px;
  padding:0 12px;border-radius:12px;
  border-bottom:1px solid var(--line-soft);
  transition:background .2s,transform .2s;
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:var(--panel-2);transform:translateX(2px)}
.rank-num{
  flex:0 0 28px;font-size:22px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.34);
  font-variant-numeric:tabular-nums;
}
.rank-row:first-of-type .rank-num{-webkit-text-stroke:1px var(--primary)}
.rank-title{flex:1 1 auto;min-width:0;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-score{font-size:12px;color:var(--amber);font-variant-numeric:tabular-nums}

/* ============ 片单分区 A：错位双列 ============ */
.stagger-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stagger-item{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);transition:border-color .25s,transform .25s,box-shadow .25s;
}
.stagger-item:nth-child(even){margin-top:56px}
.stagger-item:hover{border-color:rgba(255,92,54,.45);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stagger-item img{width:100%;aspect-ratio:16/10;object-fit:cover}
.stagger-body{padding:22px}
.stagger-body h3{font-size:19px;margin-bottom:10px}
.stagger-body p{font-size:14px;color:var(--text-2)}
.stagger-meta{margin-top:14px;display:flex;gap:16px;font-size:12px;color:var(--text-3)}

/* ============ 片单分区 B：标签画廊 ============ */
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tab-btn{
  height:36px;padding:0 18px;border-radius:999px;font-size:13px;
  border:1px solid var(--line);color:var(--text-2);
  transition:background .2s,color .2s,border-color .2s;
}
.tab-btn:hover{border-color:rgba(255,255,255,.25);color:var(--text)}
.tab-btn.active{background:var(--primary);border-color:var(--primary);color:#0A0B0F;font-weight:600}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery-card{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--panel);transition:border-color .25s,transform .25s,box-shadow .25s;
}
.gallery-card:hover{border-color:rgba(255,92,54,.45);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.gallery-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.gallery-body{padding:16px 18px 20px}
.gallery-body h4{font-size:16px;margin:10px 0 8px;font-weight:700}
.gallery-body p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gallery-card.hidden{display:none}

/* ============ 片单分区 C：紧凑四列 ============ */
.compact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.compact-card{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);
  padding:14px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.compact-card:hover{border-color:rgba(79,209,197,.5);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.compact-card .compact-no{
  font-size:12px;letter-spacing:.1em;color:var(--text-3);
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.compact-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px}
.compact-card h4{font-size:15px;margin-top:14px;font-weight:700}
.compact-card p{font-size:13px;color:var(--text-2);margin-top:6px}
.compact-card .compact-foot{margin-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{
  display:grid;grid-template-columns:208px minmax(0,1fr);gap:20px;
  padding:16px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);transition:border-color .25s,transform .25s,box-shadow .25s,background .25s;
}
.news-card:hover{border-color:rgba(255,92,54,.45);background:var(--panel-2);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{border-radius:12px;overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.news-time{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;white-space:nowrap}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{margin-top:8px;font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;position:sticky;top:24px;
}
.news-side h3{font-size:16px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.side-link{
  display:block;padding:12px 0;border-bottom:1px solid var(--line-soft);
  font-size:14px;color:var(--text-2);transition:color .2s,padding-left .2s;
}
.side-link:last-child{border-bottom:0}
.side-link:hover{color:var(--primary);padding-left:6px}
.empty-state{
  min-height:240px;border:1px dashed var(--line);border-radius:var(--r-xl);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  text-align:center;padding:32px;background:rgba(18,20,27,.4);
}
.empty-mark{font-size:40px;color:var(--text-3);line-height:1}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-state span{font-size:13px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);overflow:hidden;transition:border-color .25s;
}
.faq-item[open]{border-color:rgba(255,92,54,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:18px;color:var(--text-3);flex:0 0 auto;transition:transform .2s,color .2s;
}
.faq-item[open] summary::after{content:"–";color:var(--primary)}
.faq-item .faq-body{
  padding:0 22px 20px;font-size:14px;color:var(--text-2);line-height:1.85;
  border-left:3px solid transparent;transition:border-color .2s;
}
.faq-item[open] .faq-body{border-left-color:var(--primary);margin-left:22px;padding-left:0}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border:1px solid rgba(255,92,54,.28);
  border-radius:var(--r-xl);
  background:
    radial-gradient(80% 120% at 12% 20%,rgba(255,92,54,.20),transparent 62%),
    linear-gradient(120deg,rgba(255,92,54,.12),rgba(18,20,27,.9));
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);max-width:22ch}
.cta-band p{margin-top:12px;font-size:14px;color:var(--text-2);max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  margin-top:auto;background:#0B0C11;border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:10px;font-size:14px}
.footer-brand strong{font-size:17px;font-weight:800}
.footer p{font-size:13px;color:var(--text-3);line-height:1.85}
.footer h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column}
.footer-links a{font-size:13px;color:var(--text-2);line-height:32px;transition:color .2s}
.footer-links a:hover{color:var(--primary)}
.footer-note{font-size:13px;color:var(--text-2);line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .compact-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1199px){
  :root{--sidebar:204px}
  .news-grid{grid-template-columns:minmax(0,1fr) 280px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .hero{min-height:64vh}
  .hero-inner{padding-top:90px;padding-bottom:56px}
  .hot-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stagger-item:nth-child(even){margin-top:0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .head-actions{width:100%;justify-content:space-between}
  .stagger-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .compact-grid{grid-template-columns:repeat(2,1fr)}
  .poster-card{flex:0 0 220px}
  .news-card{grid-template-columns:1fr}
  .news-card .news-thumb img{aspect-ratio:16/9}
  .cta-band{padding:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .hero-time{display:none}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .compact-grid{grid-template-columns:1fr}
  .hero h1{max-width:none}
  .poster-card{flex:0 0 200px}
}

/* roulang page: article */
:root{
  --bg:#0A0B0F;
  --panel:#12141B;
  --card:#1A1D26;
  --raise:#232733;
  --primary:#FF5C36;
  --primary-soft:rgba(255,92,54,.12);
  --accent:#4FD1C5;
  --accent-soft:rgba(79,209,197,.12);
  --amber:#FFC24B;
  --amber-soft:rgba(255,194,75,.16);
  --success:#3DD68C;
  --text:#F5F6F8;
  --text-2:#A7ADBB;
  --text-3:#6E7686;
  --border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.06);
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-lg:0 18px 44px rgba(0,0,0,.58);
  --nav-w:232px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0}
::selection{background:rgba(255,92,54,.32)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--panel);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  overflow-y:auto;z-index:80;
  transition:transform .28s ease;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#2b3040;border-radius:6px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#FF7A4D,#FF5C36 55%,#D93B18);
  color:#0A0B0F;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(255,92,54,.28);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.side-search{margin:20px 0 6px;position:relative}
.side-search input{
  width:100%;height:44px;border-radius:999px;
  background:#0E1017;border:1px solid var(--border);
  padding:0 40px 0 38px;color:var(--text);font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.side-search input::placeholder{color:var(--text-3)}
.side-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,92,54,.14)}
.side-search .ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:14px}
.nav-label{font-size:11px;letter-spacing:.14em;color:var(--text-3);padding:8px 14px 6px;text-transform:uppercase}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:background .2s,color .2s,transform .2s;
}
.nav-item:hover{background:var(--card);color:var(--text)}
.nav-item:active{transform:scale(.985)}
.nav-item.active{background:var(--card);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--primary);
}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);flex:0 0 6px}
.nav-item.active .dot{background:var(--primary)}
.side-foot{
  margin-top:auto;padding:18px 16px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,92,54,.14),rgba(255,92,54,.04));
  border:1px solid rgba(255,92,54,.24);
}
.side-foot p{font-size:13px;color:var(--text-2);line-height:1.65}
.side-foot .btn{margin-top:14px;width:100%;justify-content:center}
.side-foot .meta{margin-top:10px;font-size:12px;color:var(--text-3);letter-spacing:.02em}

/* ============ 移动顶部栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:rgba(10,11,15,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  align-items:center;gap:12px;padding:0 14px;
}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);display:grid;place-items:center;cursor:pointer;
}
.burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.topbar .brand{padding:0;gap:8px}
.topbar .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:12px}
.topbar .brand-text strong{font-size:14px}
.topbar-cta{margin-left:auto}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:75;
}
.scrim.on{display:block}

/* ============ 布局 ============ */
.shell{padding-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 44px}
.page{padding-top:28px;padding-bottom:80px;flex:1}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#0A0B0F;box-shadow:0 8px 22px rgba(255,92,54,.26)}
.btn-primary:hover{background:#FF6E4C;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,92,54,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-link{background:none;border:0;color:var(--accent);padding:0;height:auto;font-weight:600}
.btn-link .arw{display:inline-block;transition:transform .2s}
.btn-link:hover .arw{transform:translateX(3px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent);
}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-plain{background:rgba(255,255,255,.06);color:var(--text-2)}

/* ============ 面包屑 ============ */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;margin-bottom:20px}
.crumbs a{color:var(--text-2);transition:color .2s}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--text-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  background:#0E1017;border:1px solid var(--border);
  margin-bottom:36px;
}
.article-head-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.32;
}
.article-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,11,15,.96) 0%,rgba(10,11,15,.82) 46%,rgba(10,11,15,.5) 100%);
}
.article-head-inner{position:relative;z-index:2;padding:44px 44px 38px;max-width:900px}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);font-weight:800;margin:14px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--text-3);
}
.article-meta .sep{width:1px;height:12px;background:var(--border)}
.article-lead{
  margin-top:18px;font-size:16px;color:var(--text-2);line-height:1.85;max-width:70ch;
}

/* ============ 文章主体网格 ============ */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:40px;align-items:start}
.panel{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px 36px;
}
.article-body{font-size:16px;line-height:1.85;color:#DCE0E7}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--text);
  margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--text);margin:32px 0 12px}
.article-body h4{font-size:16px;font-weight:700;color:var(--text);margin:24px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin:6px 0}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.article-body a:hover{color:var(--accent)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--accent);
  background:var(--card);border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body code{
  background:var(--card);border:1px solid var(--border);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--accent);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--card);color:var(--text);font-weight:600}

/* ============ 空态 ============ */
.empty{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:12px;padding:40px 20px;
}
.empty .ico{font-size:44px;color:var(--text-3);line-height:1}
.empty h3{font-size:19px;color:var(--text)}
.empty p{font-size:14px;color:var(--text-3);max-width:44ch}
.empty .acts{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}

/* ============ 尾部标签 / 分享 ============ */
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.share-row button{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--border);
  background:var(--card);cursor:pointer;display:grid;place-items:center;
  font-size:14px;color:var(--text-2);transition:border-color .2s,color .2s,transform .2s;
}
.share-row button:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ============ 侧栏 ============ */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:28px}
.side-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--primary)}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  transition:background .2s,color .2s,padding-left .2s;
}
.side-links a:hover{background:var(--card);color:var(--text);padding-left:16px}
.side-links a span{font-size:12px;color:var(--text-3)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.8}
.side-note strong{color:var(--text-2);font-weight:600}

/* ============ 继续浏览 / 相关推荐 ============ */
.block{margin-top:56px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.block-head h2{font-size:clamp(20px,2.2vw,26px);font-weight:700}
.block-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.nav-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.nav-card{
  display:block;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.nav-card:hover{border-color:rgba(255,92,54,.5);transform:translateY(-4px);box-shadow:var(--shadow)}
.nav-card .dir{font-size:12px;letter-spacing:.08em;color:var(--text-3)}
.nav-card .ttl{font-size:16px;font-weight:600;margin-top:8px;color:var(--text);line-height:1.55}
.nav-card .sub{font-size:13px;color:var(--text-3);margin-top:6px}

.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rec-card{
  display:block;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.rec-card:hover{border-color:rgba(255,92,54,.45);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rec-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card)}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.rec-card:hover .rec-cover img{transform:scale(1.04)}
.rec-cover .badge{position:absolute;left:12px;top:12px}
.rec-body{padding:16px 18px 18px}
.rec-body h3{font-size:16px;font-weight:600;line-height:1.5}
.rec-body p{font-size:13px;color:var(--text-3);margin-top:8px;line-height:1.7}

.back-row{display:flex;justify-content:center;margin-top:44px}

/* ============ CTA 带 ============ */
.cta-band{
  margin-top:64px;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid rgba(255,92,54,.26);
  background:linear-gradient(120deg,rgba(255,92,54,.16),rgba(79,209,197,.07) 60%,rgba(10,11,15,0));
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700}
.cta-band p{font-size:14px;color:var(--text-2);margin-top:10px;max-width:62ch}
.cta-acts{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{background:#0B0C11;border-top:1px solid var(--line);padding:56px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:13px}
.footer-brand strong{font-size:16px;font-weight:700}
.footer p{font-size:13px;color:var(--text-3);line-height:1.85}
.footer h4{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{font-size:14px;color:var(--text-2);line-height:32px;transition:color .2s}
.footer-links a:hover{color:var(--primary)}
.footer-note p{font-size:13px;color:var(--text-3);line-height:1.85}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .wrap{padding:0 32px}
  .article-head-inner{padding:38px 32px 32px}
}
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .side{position:static;flex-direction:row;flex-wrap:wrap;gap:20px}
  .side-card{flex:1 1 260px}
}
@media (max-width:1023px){
  :root{--nav-w:280px}
  .sidebar{transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .topbar{display:flex}
  .shell{padding-left:0;padding-top:56px}
  .wrap{padding:0 20px}
  .page{padding-top:20px;padding-bottom:56px}
  .article-head-inner{padding:28px 22px 26px}
  .panel{padding:24px 20px}
  .rec-grid{grid-template-columns:1fr 1fr}
  .nav-cards{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  body{font-size:14px}
  .rec-grid{grid-template-columns:1fr}
  .side{flex-direction:column}
  .article-body{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:auto}
  .cta-acts .btn{width:100%;justify-content:center}
  .nav-card .ttl{font-size:15px}
  .breadcrumb-cur{max-width:26ch}
}
@media (max-width:520px){
  .brand-text span{display:none}
  .article-head h1{font-size:24px}
  .crumbs{font-size:12px}
  .crumbs .cur{max-width:18ch}
  .empty .acts .btn{width:100%;justify-content:center}
}

.footer .container{width:100%;max-width:1320px;margin:0 auto;padding:0 44px}
@media (max-width:1399px){.footer .container{padding:0 32px}}
@media (max-width:1023px){.footer .container{padding:0 20px}}

/* roulang page: category2 */
:root{
  --bg:#0A0B0F;
  --panel:#12141B;
  --card:#1A1D26;
  --hover:#232733;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --text:#F5F6F8;
  --text-2:#A7ADBB;
  --text-3:#6E7686;
  --brand:#FF5C36;
  --brand-hi:#FF7452;
  --teal:#4FD1C5;
  --amber:#FFC24B;
  --ok:#3DD68C;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hi:0 18px 44px rgba(0,0,0,.55);
  --sidebar:232px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
::selection{background:var(--brand);color:#0A0B0F}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;z-index:60;width:var(--sidebar);height:100vh;
  background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:22px;padding:24px 16px;overflow-y:auto
}
.side-brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#FF8A5C);color:#0A0B0F;
  display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.04em
}
.brand-mark.sm{width:28px;height:28px;font-size:12px;border-radius:8px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;color:#fff}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.02em}
.side-search input{
  width:100%;height:40px;border-radius:999px;padding:0 16px;
  background:var(--card);border:1px solid var(--line);color:var(--text);font-size:13px
}
.side-search input::placeholder{color:var(--text-3)}
.side-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(255,92,54,.18)}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:15px;transition:background .2s ease,color .2s ease
}
.side-links a:hover{background:var(--card);color:var(--text)}
.side-links a.active{background:var(--card);color:#fff}
.side-links a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--brand)
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line-soft);padding-top:18px}
.side-foot p{font-size:13px;color:var(--text-3);line-height:1.7}
.side-foot small{font-size:12px;color:var(--text-3);letter-spacing:.02em}

/* ---------- 顶部栏（移动） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(10,11,15,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)
}
.menu-btn{width:40px;height:40px;display:grid;place-content:center;gap:4px;border-radius:10px;border:1px solid var(--line)}
.menu-btn span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text)}
.menu-btn:hover{border-color:var(--brand)}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:15px;color:#fff;margin-right:auto}
.topbar-brand strong{font-weight:700}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:55
}
.overlay.show{opacity:1;visibility:visible}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--sidebar);min-height:100vh}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap
}
.btn-primary{background:var(--brand);color:#0A0B0F}
.btn-primary:hover{background:var(--brand-hi);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,92,54,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-size:14px;
  transition:color .2s ease
}
.ghost-link span{transition:transform .2s ease}
.ghost-link:hover{color:#79e6dc}
.ghost-link:hover span{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;letter-spacing:.06em;background:rgba(79,209,197,.12);color:var(--teal)
}
.badge-amber{background:rgba(255,194,75,.16);color:var(--amber)}
.badge-brand{background:rgba(255,92,54,.14);color:#FF8A68}

/* ---------- 页头 ---------- */
.page-head{position:relative;overflow:hidden;padding:52px 0 40px;border-bottom:1px solid var(--line-soft)}
.page-head-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.3}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,11,15,.62) 0%,rgba(10,11,15,.86) 55%,rgba(10,11,15,.98) 100%)
}
.page-head-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .now{color:var(--text-2)}
h1{font-size:clamp(28px,4vw,46px);margin-top:14px;max-width:940px}
.lead{color:var(--text-2);font-size:16px;line-height:1.85;max-width:780px;margin-top:18px}
.head-stats{display:flex;flex-wrap:wrap;gap:20px 0;margin-top:34px;border-top:1px solid var(--line-soft);padding-top:20px}
.head-stats div{
  display:flex;align-items:baseline;gap:10px;padding-right:24px;margin-right:24px;
  border-right:1px solid var(--line-soft);font-size:13px;color:var(--text-3)
}
.head-stats div:last-child{border-right:0;margin-right:0;padding-right:0}
.head-stats strong{font-size:20px;color:#fff;font-weight:800;letter-spacing:.02em;font-variant-numeric:tabular-nums}

/* ---------- 分类互切 ---------- */
.cat-tabs{display:flex;gap:10px;overflow-x:auto;padding:22px 0 0;scrollbar-width:none}
.cat-tabs::-webkit-scrollbar{display:none}
.cat-tab{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:background .2s ease,border-color .2s ease,color .2s ease
}
.cat-tab:hover{border-color:var(--brand);color:#fff}
.cat-tab.active{background:var(--brand);border-color:var(--brand);color:#0A0B0F;font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section--alt{background:linear-gradient(180deg,rgba(18,20,27,.65),rgba(10,11,15,0))}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-title{position:relative;padding-left:14px;font-size:clamp(22px,2.4vw,32px)}
.section-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:3px;background:var(--brand)
}
.section-desc{color:var(--text-2);font-size:14px;line-height:1.85;margin-top:12px;max-width:760px}

/* ---------- 横向大图列表流 ---------- */
.stream-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:32px;align-items:start}
.stream-list{border-top:1px solid var(--line-soft)}
.stream-row{
  display:grid;grid-template-columns:258px minmax(0,1fr);gap:22px;
  padding:22px 16px;border-bottom:1px solid var(--line-soft);border-radius:14px;
  transition:background .22s ease
}
.stream-row:hover{background:var(--panel)}
.stream-thumb{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--card)
}
.stream-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.stream-row:hover .stream-thumb img{transform:scale(1.04)}
.stream-thumb .badge{position:absolute;left:10px;top:10px;background:rgba(10,11,15,.72);color:#fff}
.stream-body h3{font-size:18px;margin:12px 0 8px}
.stream-body p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:640px}
.stream-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;font-size:13px;color:var(--text-3)}
.stream-foot{margin-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ---------- 榜单 ---------- */
.rank-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;position:sticky;top:24px
}
.rank-panel h3{font-size:16px;margin-bottom:6px}
.rank-note{font-size:13px;color:var(--text-3);margin-bottom:12px;line-height:1.7}
.rank-item{
  display:grid;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:6px;
  height:56px;padding:0 8px;border-radius:10px;transition:background .2s ease,transform .2s ease
}
.rank-item:hover{background:var(--card);transform:translateX(2px)}
.rank-num{
  font-size:26px;font-weight:800;color:transparent;-webkit-text-stroke:1px var(--text-3);
  letter-spacing:.02em;line-height:1;font-variant-numeric:tabular-nums
}
.rank-item:hover .rank-num{-webkit-text-stroke-color:var(--brand)}
.rank-title{font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-sub{font-size:12px;color:var(--text-3)}

/* ---------- 分区速览 ---------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fact{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease
}
.fact:hover{border-color:rgba(255,92,54,.4);transform:translateY(-4px);box-shadow:var(--shadow-hi)}
.fact-index{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--brand);display:block;margin-bottom:12px}
.fact h3{font-size:19px;margin-bottom:10px}
.fact p{color:var(--text-2);font-size:14px;line-height:1.85}
.fact.wide{
  grid-column:span 3;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:30px;align-items:center;
  background:linear-gradient(120deg,rgba(255,92,54,.14),rgba(18,20,27,.92));
  border-color:rgba(255,92,54,.28)
}
.fact.wide img{border-radius:14px;width:100%;aspect-ratio:16/9;object-fit:cover}
.fact-list{display:grid;gap:10px;margin-top:14px}
.fact-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.fact-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:.72em}

/* ---------- 使用流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding-top:30px;border-top:2px solid var(--line)}
.step::before{
  content:attr(data-step);position:absolute;top:-17px;left:0;width:32px;height:32px;
  border-radius:9px;background:var(--card);border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
details.faq{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden;transition:border-color .2s ease}
details.faq:hover{border-color:rgba(255,255,255,.16)}
details.faq[open]{border-color:rgba(255,92,54,.42)}
details.faq summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:15px;font-weight:500;
  display:flex;justify-content:space-between;align-items:center;gap:16px
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--brand);font-size:20px;line-height:1}
details.faq[open] summary::after{content:"−"}
.faq-body{
  margin:0 20px 20px 20px;padding-left:14px;border-left:3px solid transparent;
  color:var(--text-2);font-size:14px;line-height:1.9
}
details.faq[open] .faq-body{border-left-color:var(--brand)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:44px;
  border:1px solid rgba(255,92,54,.3);
  background:linear-gradient(120deg,rgba(255,92,54,.16),rgba(18,20,27,.94));
  display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:28px;align-items:center
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{color:var(--text-2);margin-top:12px;font-size:15px;line-height:1.85;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:#0B0C11;border-top:1px solid var(--line);padding:56px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:16px;color:#fff}
.footer h4{font-size:15px;margin-bottom:14px;color:#fff}
.footer-links{display:grid;gap:8px}
.footer-links a{color:var(--text-2);font-size:14px;line-height:1.5;transition:color .2s ease}
.footer-links a:hover{color:var(--brand)}
.footer p,.footer-note p{color:var(--text-3);font-size:13px;line-height:1.9}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line-soft);margin-top:36px;padding-top:20px;
  font-size:13px;color:var(--text-3)
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sidebar:204px}
  .stream-row{grid-template-columns:220px minmax(0,1fr)}
}
@media (max-width:1023px){
  .side-nav{width:280px;transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 0 40px rgba(0,0,0,.6)}
  .side-nav.open{transform:translateX(0)}
  .main{margin-left:0;padding-top:56px}
  .topbar{display:flex}
  .overlay{z-index:55}
  .stream-layout{grid-template-columns:1fr}
  .rank-panel{position:static}
  .facts{grid-template-columns:repeat(2,1fr)}
  .fact.wide{grid-column:span 2;grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:50px 0}
  .page-head{padding:36px 0 32px}
  .stream-row{grid-template-columns:1fr;padding:18px 0}
  .stream-thumb{aspect-ratio:16/9}
  .facts{grid-template-columns:1fr}
  .fact.wide{grid-column:span 1;padding:22px}
  .steps{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .head-stats{gap:14px 0}
  .head-stats div{border-right:0;margin-right:0;padding-right:0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  h1{font-size:26px}
  .lead{font-size:15px}
  .btn{height:42px;padding:0 18px;font-size:14px}
  .stream-body h3{font-size:16px}
}

/* roulang page: category1 */
:root{
  --bg:#0A0B0F;
  --panel:#12141B;
  --panel-2:#1A1D26;
  --panel-3:#232733;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --text:#F5F6F8;
  --text-2:#A7ADBB;
  --text-3:#6E7686;
  --primary:#FF5C36;
  --primary-hover:#FF7455;
  --accent:#4FD1C5;
  --amber:#FFC24B;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:8px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 18px 44px rgba(0,0,0,.55);
  --nav-w:232px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.35}
p{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1320px;margin:0 auto;padding:0 40px}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--panel);
  border-right:1px solid var(--line-soft);
  padding:24px 18px 28px;
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
  z-index:60;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;
  background:var(--primary);
  color:#0A0B0F;
  font-weight:800;
  font-size:13px;
  letter-spacing:.04em;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text)}
.brand-text span{font-size:12px;color:var(--text-3)}
.side-search input{
  width:100%;height:44px;
  border-radius:999px;
  background:var(--panel-2);
  border:1px solid var(--line);
  padding:0 16px;
  color:var(--text);
  font-size:13px;
  transition:border-color .2s,box-shadow .2s;
}
.side-search input::placeholder{color:var(--text-3)}
.side-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,92,54,.18)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-2);
  font-size:15px;
  transition:background .2s,color .2s;
}
.nav-item:hover{background:var(--panel-2);color:var(--text)}
.nav-item.active{background:var(--panel-2);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:2px;background:var(--primary);
}
.side-cta{
  margin-top:auto;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}
.side-cta p{font-size:13px;color:var(--text-2);margin-bottom:14px;line-height:1.7}
.side-meta{display:block;margin-top:10px;font-size:12px;color:var(--text-3)}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:56px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(10,11,15,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
  z-index:70;
}
.topbar-brand{display:flex;align-items:center;gap:8px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:11px;border-radius:9px}
.topbar-brand strong{font-size:15px}
.hamburger{
  width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;
  border:1px solid var(--line);
}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--text);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);border-radius:2px;
}
.hamburger span::before{top:-5px}
.hamburger span::after{top:5px}
.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:280px;
  background:var(--panel);
  border-right:1px solid var(--line-soft);
  padding:24px 18px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .3s ease;
  z-index:90;
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 主区域 ---------- */
.app-main{margin-left:var(--nav-w);display:flex;flex-direction:column;min-height:100vh}
.sticky-bar{
  position:sticky;top:0;z-index:40;
  height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 40px;
  background:rgba(10,11,15,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
}
.crumb-mini{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb-mini a:hover{color:var(--primary)}
.crumb-mini .current{color:var(--text-2)}

/* ---------- 页头 ---------- */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.38;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,.55) 0%,rgba(10,11,15,.86) 55%,var(--bg) 100%);
}
.page-head .container{position:relative;z-index:2;padding-top:52px;padding-bottom:44px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.page-head h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;
  max-width:840px;
}
.page-head h1 em{font-style:normal;color:var(--primary)}
.lead{
  margin-top:16px;
  max-width:720px;
  font-size:16px;
  color:var(--text-2);
  line-height:1.85;
}
.head-facts{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:24px;
  font-size:13px;color:var(--text-3);
}
.head-facts span{display:inline-flex;align-items:center;gap:8px}
.head-facts .dot{width:2px;height:12px;background:var(--line);display:inline-block}
.cat-switch{
  display:flex;gap:12px;
  margin-top:28px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.cat-switch::-webkit-scrollbar{display:none}
.cat-switch a{
  flex:0 0 auto;
  height:38px;padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;
  font-size:14px;color:var(--text-2);
  transition:border-color .2s,color .2s,background .2s;
}
.cat-switch a:hover{border-color:var(--primary);color:var(--text)}
.cat-switch a.active{background:var(--primary);border-color:var(--primary);color:#0A0B0F;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:72px 0;border-bottom:1px solid var(--line-soft)}
.section:last-of-type{border-bottom:none}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.eyebrow{
  display:block;margin-bottom:8px;
  font-size:12px;letter-spacing:.06em;
  color:var(--accent);font-weight:600;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn-primary{background:var(--primary);color:#0A0B0F}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,92,54,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid rgba(255,255,255,.18);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:14px}
.btn-ghost .arrow{transition:transform .2s}
.btn-ghost:hover{color:#7FE6DC}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-block{width:100%}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  height:36px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  font-size:13px;
  transition:all .2s;
}
.chip:hover{border-color:rgba(255,92,54,.5);color:var(--text)}
.chip.active{background:rgba(255,92,54,.14);border-color:rgba(255,92,54,.55);color:var(--primary);font-weight:600}

/* ---------- 封面卡片网格 ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.poster-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(255,92,54,.4);box-shadow:var(--shadow-hover)}
.poster-link{display:block}
.poster-media{
  position:relative;
  aspect-ratio:3/4;
  background:var(--panel-2);
  overflow:hidden;
}
.poster-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.badge{
  position:absolute;top:12px;left:12px;
  height:24px;padding:0 10px;
  border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.02em;
  backdrop-filter:blur(4px);
}
.badge-accent{background:rgba(79,209,197,.14);color:var(--accent)}
.badge-amber{background:rgba(255,194,75,.16);color:var(--amber)}
.poster-score{top:auto;left:auto;right:12px;bottom:12px}
.poster-body{padding:14px 16px 18px}
.poster-body h3{
  font-size:17px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:49px;
}
.poster-meta{margin-top:8px;font-size:12px;color:var(--text-3)}

/* ---------- 热度榜 ---------- */
.rank-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.rank-list{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  overflow:hidden;
}
.rank-item{
  display:flex;align-items:center;gap:20px;
  min-height:56px;
  padding:14px 20px;
  border-bottom:1px solid var(--line-soft);
  transition:background .2s,transform .2s;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--panel-2);transform:translateX(2px)}
.rank-num{
  min-width:44px;
  font-size:26px;font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,255,255,.28);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.rank-item:hover .rank-num{-webkit-text-stroke-color:rgba(255,92,54,.75)}
.rank-main{flex:1;min-width:0}
.rank-main strong{display:block;font-size:15px;font-weight:600}
.rank-main span{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.rank-score{font-size:14px;color:var(--amber);font-weight:600;font-variant-numeric:tabular-nums}
.rank-side{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.rank-side img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rank-side .side-body{padding:18px 20px 22px}
.rank-side h3{font-size:17px;margin-bottom:8px}
.rank-side p{font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:16px}

/* ---------- 挑选要点 ---------- */
.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.note{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 24px;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.note:hover{border-color:rgba(79,209,197,.4);transform:translateY(-4px);box-shadow:var(--shadow)}
.note h3{
  font-size:18px;
  padding-left:14px;
  position:relative;
  margin-bottom:12px;
}
.note h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;
  width:4px;border-radius:2px;background:var(--primary);
}
.note p{font-size:14px;color:var(--text-2);line-height:1.85}
.note .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  height:24px;padding:0 10px;
  border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;
  font-size:12px;
  background:rgba(79,209,197,.12);
  color:var(--accent);
}

/* ---------- 更新时间线 ---------- */
.timeline{position:relative;padding-left:26px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;
  width:1px;background:var(--line);
}
.timeline li{position:relative;padding-bottom:24px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-24px;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(255,92,54,.14);
}
.timeline strong{display:block;font-size:15px;font-weight:600}
.timeline p{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-list details{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s;
}
.faq-list details[open]{border-left:3px solid var(--primary);border-color:rgba(255,92,54,.4)}
.faq-list summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px;
  font-size:15px;
  font-weight:500;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";
  font-size:18px;
  color:var(--accent);
  transition:transform .25s;
  line-height:1;
}
.faq-list details[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-list .answer{padding:0 20px 18px;font-size:14px;color:var(--text-2);line-height:1.85}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  margin:72px 0 0;
  border:1px solid rgba(255,92,54,.28);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(120% 140% at 12% 0%,rgba(255,92,54,.16) 0%,rgba(255,92,54,0) 62%),
    var(--panel);
  padding:40px 40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,209,197,.14),transparent 68%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);margin-bottom:10px}
.cta-band p{font-size:14px;color:var(--text-2);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:72px;
  background:#0B0C11;
  border-top:1px solid var(--line-soft);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:16px}
.footer h4{font-size:14px;margin-bottom:14px;color:var(--text)}
.footer p{font-size:13px;color:var(--text-3);line-height:1.8}
.footer-links{display:flex;flex-direction:column}
.footer-links a{
  font-size:13px;color:var(--text-2);
  line-height:32px;
  transition:color .2s;
}
.footer-links a:hover{color:var(--primary)}
.footer-note p{font-size:13px;color:var(--text-3)}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 32px}
  .sticky-bar{padding:0 32px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{display:none}
  .app-main{margin-left:0;padding-top:56px}
  .sticky-bar{position:static;height:auto;padding:14px 20px;background:var(--panel)}
  .container{padding:0 20px}
  .page-head .container{padding-top:36px;padding-bottom:36px}
  .section{padding:56px 0}
  .rank-wrap{grid-template-columns:1fr}
  .notes-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px 36px;margin-top:56px}
  .footer{margin-top:56px}
}
@media (max-width:768px){
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .poster-body h3{font-size:15px;min-height:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .head-facts{gap:10px}
  .head-facts .dot{display:none}
  .rank-item{gap:14px;padding:12px 16px}
  .rank-num{font-size:22px;min-width:34px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .poster-grid{grid-template-columns:1fr}
  .poster-body h3{min-height:auto}
  .footer-grid{grid-template-columns:1fr}
  .page-head h1{font-size:26px}
  .section{padding:44px 0}
}

/* roulang page: category3 */
:root{
  --bg:#0A0B0F;
  --panel:#12141B;
  --card:#1A1D26;
  --card-hi:#232733;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --text:#F5F6F8;
  --text-2:#A7ADBB;
  --text-3:#6E7686;
  --primary:#FF5C36;
  --primary-soft:rgba(255,92,54,.12);
  --accent:#4FD1C5;
  --accent-soft:rgba(79,209,197,.12);
  --amber:#FFC24B;
  --amber-soft:rgba(255,194,75,.16);
  --success:#3DD68C;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hi:0 18px 44px rgba(0,0,0,.6);
  --sidebar-w:232px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;background:var(--card)}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#0A0B0F;padding:10px 18px;border-radius:0 0 10px 0;font-size:14px
}
.skip-link:focus{left:0}

/* ===== 侧栏导航（桌面） ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--panel);border-right:1px solid var(--line);
  overflow-y:auto;z-index:60;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.16) transparent;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.sidebar-inner{display:flex;flex-direction:column;gap:22px;min-height:100%;padding:24px 16px}
.brand{display:flex;align-items:center;gap:12px;padding:2px 6px 0}
.brand-mark{
  flex:none;width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#ff9166);
  color:#12070a;font-weight:800;font-size:15px;letter-spacing:.04em;
  box-shadow:0 8px 20px rgba(255,92,54,.28);
}
.brand-text strong{display:block;font-size:16px;line-height:1.35;letter-spacing:-.01em}
.brand-text small{display:block;font-size:12px;color:var(--text-3);letter-spacing:.02em}

.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;
  padding:0 14px;border-radius:10px;color:var(--text-2);font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-item:hover{background:var(--card);color:var(--text);transform:translateX(2px)}
.nav-item.active{background:var(--card);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--primary);
}

.side-search{margin-top:2px}
.side-search label{display:block;font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-bottom:8px}
.side-search input{
  width:100%;height:44px;padding:0 16px;border-radius:999px;
  background:#0E1016;border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.side-search input::placeholder{color:var(--text-3)}
.side-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,92,54,.18)}

.side-foot{
  margin-top:auto;padding:18px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);
}
.side-foot h4{font-size:15px;font-weight:700;margin-bottom:6px}
.side-foot p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:14px}
.side-foot small{display:block;margin-top:12px;font-size:12px;color:var(--text-3)}

/* ===== 顶部栏 & 抽屉（移动） ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(10,11,15,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.topbar-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text);
}
.topbar-btn:hover{border-color:rgba(255,92,54,.5);color:var(--primary)}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-brand .brand-mark{width:32px;height:32px;border-radius:9px;font-size:13px}
.topbar-brand strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-cta{
  margin-left:auto;flex:none;height:36px;padding:0 14px;border-radius:999px;
  background:var(--primary);color:#0A0B0F;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.topbar-cta:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,92,54,.32)}

.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  background:var(--panel);border-right:1px solid var(--line);
  padding:20px 16px;overflow-y:auto;
  transform:translateX(-102%);transition:transform .3s var(--ease);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-close{
  position:absolute;top:16px;right:14px;width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);
}
.drawer-close:hover{color:var(--primary);border-color:rgba(255,92,54,.5)}

/* ===== 主内容 ===== */
.app-body{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:calc(50% - 11px);width:4px;height:22px;
  border-radius:3px;background:var(--primary);
}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.link-more{
  flex:none;display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.link-more:hover{color:var(--primary);gap:10px}

/* ===== 页头 ===== */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);padding:64px 0 56px}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(255,92,54,.22),transparent 58%),
    linear-gradient(180deg,rgba(10,11,15,.78) 0%,rgba(10,11,15,.94) 62%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb span[aria-hidden]{color:var(--text-3)}
.crumb .current{color:var(--text);max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.24;font-weight:800;letter-spacing:-.02em;
  max-width:880px;
}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero .lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:700px;line-height:1.8}

.tabs{display:flex;gap:12px;overflow-x:auto;padding:26px 0 4px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:none;height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tab:hover{border-color:rgba(255,92,54,.55);color:var(--text)}
.tab.active{background:var(--primary);border-color:var(--primary);color:#0A0B0F;font-weight:700}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--primary);color:#0A0B0F}
.btn-primary:hover{background:#ff7250;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,92,54,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-quiet{color:var(--accent);padding:0 6px;height:auto}
.btn-quiet:hover{color:var(--primary)}
.btn-arrow{transition:transform .22s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(3px)}
.btn-block{width:100%}

/* ===== 榜单 ===== */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:flex;align-items:flex-start;gap:20px;padding:20px 22px;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rank-item:hover{background:var(--card);border-color:rgba(255,92,54,.42);transform:translateX(3px);box-shadow:var(--shadow)}
.rank-num{
  flex:none;width:56px;font-size:34px;font-weight:800;line-height:1.05;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1.2px rgba(255,92,54,.72);
}
.rank-body{min-width:0;flex:1}
.rank-body h3{font-size:18px;font-weight:700;letter-spacing:-.01em}
.rank-body p{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.rank-meta{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:8px}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;letter-spacing:.04em;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-plain{background:rgba(255,255,255,.06);color:var(--text-2)}

/* ===== 关键词矩阵 ===== */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.matrix-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.matrix-item:hover{border-color:rgba(79,209,197,.5);background:var(--card);transform:translateY(-2px)}
.matrix-item .term{font-size:15px;font-weight:600;color:var(--text)}
.matrix-item .target{font-size:13.5px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;text-align:right}

/* ===== 说明文案块 ===== */
.prose-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.prose-block h3{font-size:19px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.prose-block p{font-size:15px;color:var(--text-2);line-height:1.85}
.prose-block + .prose-block{margin-top:30px}
.prose-rule{height:1px;background:var(--line-soft);margin:26px 0}
.figure{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow);position:relative;
}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.figure:hover img{transform:scale(1.03)}
.figure figcaption{
  padding:14px 18px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line-soft);
}
.figure-tag{
  position:absolute;top:14px;left:14px;height:24px;display:inline-flex;align-items:center;
  padding:0 10px;border-radius:8px;font-size:12px;background:var(--amber-soft);color:var(--amber);
}

/* ===== 步骤卡 ===== */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:34px}
.step{
  padding:22px;border-radius:var(--r-lg);background:var(--panel);
  border:1px solid var(--line-soft);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{border-color:rgba(255,92,54,.4);transform:translateY(-4px);box-shadow:var(--shadow-hi)}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:800;margin-bottom:14px;
}
.step h4{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.78}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 20px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item:hover{border-color:rgba(255,92,54,.4);background:var(--card)}
.faq-item[open]{border-color:rgba(255,92,54,.42);background:var(--card)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:15px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--accent);font-size:16px;line-height:1;
  transition:transform .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);border-color:rgba(255,92,54,.6);color:var(--primary)}
.faq-item .answer{padding:0 0 20px;font-size:14px;color:var(--text-2);line-height:1.85;max-width:760px}

/* ===== CTA 带 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(255,92,54,.14),rgba(79,209,197,.08));
  border:1px solid rgba(255,92,54,.28);
  padding:48px;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:14px 14px;
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.footer{margin-top:auto;background:#0B0C11;border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:13px}
.footer-brand strong{font-size:16px}
.footer p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:360px}
.footer h4{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links a{display:block;line-height:32px;font-size:14px;color:var(--text-2);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note p{max-width:300px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--sidebar-w:204px}
  .container{padding:0 26px}
  .prose-grid{gap:32px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .app-body{margin-left:0}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 34px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .matrix{grid-template-columns:1fr}
  .prose-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .cta-actions .btn{flex:1 1 160px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .footer-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .rank-item{flex-wrap:wrap;gap:14px;padding:18px}
  .rank-num{width:44px;font-size:28px}
  .rank-meta{flex-direction:row;align-items:center;width:100%;justify-content:flex-start}
  .steps{grid-template-columns:1fr}
  .figure img{aspect-ratio:16/10}
  .footer{padding:44px 0 22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  body{font-size:15px}
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:14.5px}
  .matrix-item{flex-direction:column;align-items:flex-start;gap:6px}
  .matrix-item .target{text-align:left}
  .cta-band{padding:26px 20px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid > div{grid-column:1 / -1}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}