/* roulang page: index */
:root{
  --bg:#0F0D14; --bg-soft:#171320; --bg-deep:#0B0910;
  --card:#1C1726; --card-2:#251E33;
  --line:rgba(255,255,255,.08);
  --primary:#FF6B1A; --primary-2:#FFB524;
  --accent:#2CE5B0; --accent-2:#7C4DFF;
  --text:#F6F3F9; --text-2:#A9A2B8; --text-3:#6F6880;
  --r-lg:24px; --r-md:18px; --r-sm:14px; --r-pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 60px rgba(255,107,26,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad:linear-gradient(135deg,#FF6B1A,#FFB524);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(255,107,26,.35);color:#fff}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container-x{max-width:1280px}}
@media (max-width:640px){.container-x{padding:0 16px}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  height:38px;background-color:var(--bg-deep);
  background-image:linear-gradient(rgba(255,107,26,.06),rgba(255,107,26,.06));
  border-bottom:1px solid var(--line);
}
.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:var(--text-2);letter-spacing:.02em;white-space:nowrap}
.topbar-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);flex:none}
.topbar-tip{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none}
.topbar-link{color:var(--text-2);font-size:13px}
.topbar-link:hover{color:var(--primary)}
@media (max-width:767px){.topbar-tip,.topbar-dot{display:none}}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(15,13,20,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;max-width:220px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;position:relative;
  background-image:var(--grad);box-shadow:0 8px 20px rgba(255,107,26,.32);
}
.brand-mark::after{content:"";position:absolute;inset:9px;border:2px solid rgba(15,13,20,.85);border-radius:3px;transform:rotate(45deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-line1{font-size:15px;font-weight:800;letter-spacing:.02em}
.brand-line2{font-size:12px;color:var(--text-2);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:8px 12px;font-size:14.5px;color:var(--text-2);border-radius:10px;white-space:nowrap}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background-image:var(--grad)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .nav-cta{display:none}
}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:106px;bottom:0;z-index:70;
  background:var(--bg-soft);border-top:1px solid var(--line);
  padding:18px 24px 120px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:12px 16px;border-radius:14px;
  color:var(--text-2);font-size:15px;border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{color:var(--text);background:var(--card);border-color:var(--line)}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{position:sticky;bottom:0;padding-top:16px;background:linear-gradient(to top,var(--bg-soft) 60%,rgba(23,19,32,0))}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn i{font-size:14px}
.btn-primary{background-image:var(--grad);color:#1A1208;box-shadow:0 10px 26px rgba(255,107,26,.28)}
.btn-primary:hover{color:#1A1208;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,107,26,.38)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{color:var(--text);background:rgba(255,107,26,.08);border-color:rgba(255,107,26,.45);transform:translateY(-2px)}
.btn-accent{border:1px solid rgba(44,229,176,.45);color:var(--accent);background:rgba(44,229,176,.08)}
.btn-accent:hover{color:var(--accent);background:rgba(44,229,176,.16);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-xs{height:32px;padding:0 14px;font-size:12.5px}
.btn-block{width:100%}

/* ---------- 数据徽章 ---------- */
.badge-data{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:9px 15px;border-radius:var(--r-pill);
  background:rgba(44,229,176,.10);border:1px solid rgba(44,229,176,.32);
}
.badge-data .num{font-size:18px;font-weight:800;color:var(--accent);line-height:1.2}
.badge-data .lbl{font-size:12.5px;color:var(--text-2)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:767px){.section{padding:56px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.sec-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:660px}
.head-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.head-link:hover{color:var(--primary);transform:translateX(2px)}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media (max-width:1023px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:639px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.62;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(15,13,20,.96),rgba(15,13,20,.52));
}
.hero-inner{position:relative;z-index:2;padding:84px 0;width:100%}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;max-width:900px}
.hero-sub{margin-top:18px;max-width:620px;color:var(--text-2);font-size:16.5px;line-height:1.8}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:767px){
  .hero{min-height:420px}
  .hero-inner{padding:60px 0}
}

/* ---------- 入口卡 ---------- */
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
.entry-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,107,26,.12);border:1px solid rgba(255,107,26,.32);color:var(--primary);font-size:18px;
}
.entry-card h3{font-size:17px;font-weight:700}
.entry-card p{color:var(--text-2);font-size:14.5px;line-height:1.75}
.entry-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-more{font-size:13.5px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.entry-more:hover{color:var(--accent);transform:translateX(2px)}

/* ---------- 目录索引 + 封面卡 ---------- */
.split-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:32px;align-items:start}
@media (max-width:1023px){.split-layout{grid-template-columns:1fr}}
.index-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px;box-shadow:var(--shadow)}
.index-item{
  display:flex;gap:14px;padding:16px;border-radius:var(--r-sm);
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.index-item + .index-item{border-top:1px solid var(--line)}
.index-item:hover{background:var(--card-2);transform:translateX(3px)}
.index-no{
  flex:none;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35);
  color:var(--accent);font-size:13px;font-weight:800;
}
.index-body h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
.index-body p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.index-arrow{margin-left:auto;color:var(--text-3);font-size:13px;align-self:center}
.index-item:hover .index-arrow{color:var(--primary)}

.cover-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45);color:inherit}
.cover-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.cover-card:hover .cover-media img{transform:scale(1.04)}
.cover-tag{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(15,13,20,.75);border:1px solid var(--line);font-size:12px;color:var(--text);
}
.cover-body{padding:20px 22px 22px}
.cover-body h3{font-size:17.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cover-body p{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cover-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}

/* ---------- 错位大卡 ---------- */
.feature-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.feature-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.4)}
.feature-row + .feature-row{margin-top:24px}
.feature-row.reverse .feature-media{order:2}
.feature-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--card-2)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body h3{font-size:20px;font-weight:700;line-height:1.5}
.feature-body p{margin-top:12px;color:var(--text-2);font-size:15px}
.feature-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.feature-list li i{color:var(--accent);font-size:12px;margin-top:7px}
.feature-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:900px){
  .feature-row{grid-template-columns:1fr;gap:20px}
  .feature-row.reverse .feature-media{order:0}
}

/* ---------- 最新信息 ---------- */
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-image:var(--grad);opacity:.85}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
.post-card h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{color:var(--text-2);font-size:14px;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.post-cat{color:var(--accent);border:1px solid rgba(44,229,176,.3);background:rgba(44,229,176,.08);border-radius:var(--r-pill);padding:3px 10px;font-size:12px}
.empty-state{
  min-height:180px;border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--text-2);font-size:14.5px;background:rgba(255,255,255,.015);text-align:center;padding:24px;
}
.empty-state i{font-size:22px;color:var(--text-3)}

/* ---------- 编号步骤卡 ---------- */
.num-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
.num-badge{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35);
  color:var(--accent);font-weight:800;font-size:16px;margin-bottom:16px;
}
.num-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.num-card p{color:var(--text-2);font-size:14.5px;line-height:1.78}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item:hover{border-color:rgba(255,107,26,.35)}
.faq-item[open]{border-color:rgba(255,107,26,.45)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--text-3);font-size:14px;flex:none;transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--primary)}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 横滑推荐 ---------- */
.scroll-x{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scroll-x > *{flex:0 0 288px;scroll-snap-align:start}
.scroll-x::-webkit-scrollbar{height:6px}
.scroll-x::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.scroll-x::-webkit-scrollbar-track{background:transparent}

/* ---------- CTA 大板 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);padding:56px 40px;
  background-color:var(--card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.35;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(15,13,20,.95),rgba(15,13,20,.62));
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;max-width:560px}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:767px){.cta-band{padding:36px 22px}}

/* ---------- 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:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-link{display:block;color:var(--text-2);font-size:14px;padding:6px 0}
.footer-link:hover{color:var(--primary);transform:translateX(2px)}
.footer-bar{
  border-top:1px solid var(--line);margin-top:48px;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px}}

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

/* roulang page: article */
:root{
  --bg:#0F0D14;
  --bg-soft:#171320;
  --bg-deep:#0B0910;
  --card:#1C1726;
  --card-2:#251E33;
  --line:rgba(255,255,255,.08);
  --primary:#FF6B1A;
  --primary-2:#FFB524;
  --accent:#2CE5B0;
  --accent-2:#7C4DFF;
  --text:#F6F3F9;
  --text-2:#A9A2B8;
  --text-3:#6F6880;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 60px rgba(255,107,26,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container-x{max-width:1280px;}}
@media (max-width:520px){.container-x{padding:0 16px;}}

/* 顶部信息条 */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--line);position:relative;z-index:60;height:38px;}
.topbar::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,107,26,.10),rgba(255,107,26,0) 60%);pointer-events:none;}
.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-2);position:relative;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-domain{color:var(--text);font-weight:700;letter-spacing:.02em;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(44,229,176,.12);flex:none;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none;}
.topbar-link{color:var(--text-2);transition:color .22s var(--ease);}
.topbar-link:hover{color:var(--primary);}
@media (max-width:767px){.topbar-note,.topbar-dot{display:none;}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,13,20,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.header-inner{height:68px;display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;max-width:220px;flex:none;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));position:relative;flex:none;box-shadow:0 8px 20px rgba(255,107,26,.28);}
.brand-mark::after{content:"";position:absolute;inset:10px;border-radius:4px;background:var(--bg);transform:rotate(45deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.06;}
.brand-line1{font-size:15px;font-weight:800;letter-spacing:-.01em;}
.brand-line2{font-size:11.5px;color:var(--text-2);letter-spacing:.18em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2);position:relative;transition:color .22s var(--ease),background .22s var(--ease);}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(135deg,var(--primary),var(--primary-2));}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:999px;transition:border-color .22s var(--ease),background .22s var(--ease);}
.nav-toggle:hover{border-color:rgba(255,107,26,.45);background:rgba(255,107,26,.08);}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
@media (max-width:1023px){.main-nav{display:none;}.nav-toggle{display:inline-flex;}}
@media (max-width:520px){.brand-line1{font-size:14px;}.brand-line2{font-size:11px;letter-spacing:.12em;}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);white-space:nowrap;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-xs{height:30px;padding:0 14px;font-size:12.5px;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#1A0F04;box-shadow:0 10px 26px rgba(255,107,26,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,26,.38);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:rgba(255,107,26,.08);border-color:rgba(255,107,26,.45);transform:translateY(-2px);}
.btn-accent{background:transparent;border-color:rgba(44,229,176,.35);color:var(--accent);}
.btn-accent:hover{background:rgba(44,229,176,.12);transform:translateY(-2px);}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--bg-soft);display:flex;flex-direction:column;padding:20px 20px 28px;transform:translateX(100%);transition:transform .26s var(--ease);visibility:hidden;}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:transparent;font-size:20px;line-height:1;transition:border-color .22s var(--ease);}
.drawer-close:hover{border-color:rgba(255,107,26,.45);}
.drawer-body{flex:1;overflow-y:auto;padding-top:8px;}
.drawer-link{height:52px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);}
.drawer-link:hover,.drawer-link.is-active{color:var(--primary);}
.drawer-foot{padding-top:18px;border-top:1px solid var(--line);}
@media (min-width:1024px){.mobile-drawer{display:none;}}

/* 面包屑与文章头 */
.article-wrap{padding:0 0 72px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding-top:26px;}
.breadcrumb a{color:var(--text-2);transition:color .22s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:900px;padding-top:14px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--accent);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(135deg,var(--accent),var(--accent-2));}
.article-title{font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-top:14px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:13.5px;color:var(--text-2);}
.meta-chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:rgba(255,107,26,.12);border:1px solid rgba(255,107,26,.35);color:var(--primary);font-size:12.5px;font-weight:700;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item .num{color:var(--text);font-weight:700;}
.cover{margin-top:24px;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card);aspect-ratio:16/9;}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cover:hover img{transform:scale(1.02);}

/* 布局 */
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;margin-top:44px;}
@media (min-width:1280px){.layout{grid-template-columns:minmax(0,1fr) 288px;}}

/* 正文排版 */
.prose-cn{max-width:780px;font-size:16px;line-height:1.9;color:#DCD7E6;}
.prose-cn p{margin:0 0 18px;}
.prose-cn h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--text);margin:40px 0 16px;padding-left:14px;position:relative;scroll-margin-top:96px;}
.prose-cn h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:linear-gradient(135deg,var(--primary),var(--primary-2));}
.prose-cn h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text);margin:28px 0 12px;scroll-margin-top:96px;}
.prose-cn blockquote{margin:22px 0;padding:14px 20px;border-left:4px solid var(--accent);background:rgba(44,229,176,.08);border-radius:0 var(--radius-md) var(--radius-md) 0;color:#D6F5EA;}
.prose-cn ul,.prose-cn ol{padding-left:22px;margin:0 0 18px;}
.prose-cn li{margin:8px 0;line-height:1.9;}
.prose-cn a{color:var(--primary);border-bottom:1px solid rgba(255,107,26,.4);transition:border-color .22s var(--ease);}
.prose-cn a:hover{border-bottom-color:var(--primary);}
.prose-cn img{border-radius:var(--radius-lg);margin:20px 0;}
.prose-cn strong{color:var(--text);}
.prose-cn table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.prose-cn th{background:var(--card-2);color:var(--text);text-align:left;font-weight:700;padding:12px 16px;font-size:14px;}
.prose-cn td{padding:12px 16px;border-top:1px solid var(--line);font-size:14.5px;color:var(--text-2);}
.prose-cn tbody tr:nth-child(even) td{background:rgba(255,255,255,.02);}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:20px;align-self:start;position:sticky;top:96px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--primary),var(--primary-2));flex:none;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{font-size:14px;color:var(--text-2);padding:7px 10px;border-radius:10px;border-left:2px solid transparent;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary);background:rgba(255,107,26,.08);border-left-color:var(--primary);}
.toc-list a.sub{padding-left:22px;font-size:13px;}
.mini-item{display:block;padding:12px 0;border-bottom:1px solid var(--line);}
.mini-item:last-child{border-bottom:0;padding-bottom:0;}
.mini-title{font-size:14px;font-weight:600;line-height:1.55;color:var(--text);transition:color .22s var(--ease);}
.mini-item:hover .mini-title{color:var(--primary);}
.mini-meta{font-size:12px;color:var(--text-3);margin-top:6px;}

/* 空态 */
.empty-box{margin-top:40px;border:1px dashed var(--line);border-radius:20px;background:var(--bg-soft);padding:56px 24px;text-align:center;}
.empty-box h2{font-size:22px;font-weight:700;}
.empty-box p{margin-top:12px;color:var(--text-2);font-size:14.5px;}
.empty-box .btn{margin-top:24px;}

/* 来源条 */
.source-bar{margin-top:36px;padding:16px 20px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-md);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:var(--text-2);}

/* 区块通用 */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:80px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;}
.section-sub{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:620px;}
.section-more{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:gap .22s var(--ease);}
.section-more:hover{gap:10px;}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45);}
.card-thumb{aspect-ratio:16/9;background:var(--card-2);overflow:hidden;position:relative;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-tag{position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(15,13,20,.78);border:1px solid rgba(255,107,26,.4);color:var(--primary);backdrop-filter:blur(4px);}
.card-body{padding:20px 22px 22px;}
.card-title{font-size:17px;font-weight:700;line-height:1.5;}
.card-desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;}
.card-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.related-grid{grid-template-columns:1fr;}}

/* 返回入口 */
.back-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:8px;}
@media (max-width:639px){.back-links{grid-template-columns:1fr;}}
.back-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px;border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--line);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);}
.back-card:hover{transform:translateY(-3px);border-color:rgba(255,107,26,.45);box-shadow:var(--shadow-hover);}
.back-card .bc-title{font-size:15.5px;font-weight:700;}
.back-card .bc-sub{font-size:13px;color:var(--text-2);margin-top:6px;}
.back-card .bc-arrow{color:var(--primary);font-size:20px;font-weight:700;}

/* CTA 大板 */
.cta-band{background:linear-gradient(120deg,rgba(255,107,26,.18),rgba(124,77,255,.14)),var(--card-2);border:1px solid var(--line);border-radius:var(--radius-xl);padding:36px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.01em;}
.cta-band p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:64px;padding-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:13.5px;color:var(--text-2);line-height:1.85;}
.footer-title{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text);}
.footer-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .22s var(--ease),transform .22s var(--ease);}
.footer-link:hover{color:var(--primary);transform:translateX(2px);}
.footer-bar{margin-top:40px;border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);}

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

/* roulang page: category1 */
:root{
    --bg:#0F0D14;
    --bg-soft:#171320;
    --bg-deep:#0B0910;
    --card:#1C1726;
    --card-2:#251E33;
    --line:rgba(255,255,255,.08);
    --primary:#FF6B1A;
    --primary-2:#FFB524;
    --accent:#2CE5B0;
    --accent-2:#7C4DFF;
    --text:#F6F3F9;
    --text-2:#A9A2B8;
    --text-3:#6F6880;
    --grad:linear-gradient(135deg,#FF6B1A,#FFB524);
    --r-xl:24px;
    --r-lg:18px;
    --r-md:14px;
    --r-pill:999px;
    --shadow:0 16px 40px rgba(0,0,0,.45);
    --shadow-hover:0 22px 60px rgba(255,107,26,.18);
    --ease:cubic-bezier(.22,.61,.36,1);
    --gap-section: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:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  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,p{margin:0}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media(min-width:1440px){.container-x{max-width:1280px}}
  @media(max-width:640px){.container-x{padding:0 16px}}

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:linear-gradient(90deg,rgba(255,107,26,.10),rgba(11,9,16,.92));border-bottom:1px solid var(--line);font-size:13px}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
  .topbar-left{display:flex;align-items:center;gap:14px;color:var(--text-2)}
  .topbar-domain{color:var(--text);font-weight:700;letter-spacing:.02em}
  .topbar-sep{width:1px;height:14px;background:var(--line);display:inline-block}
  .topbar-right{display:flex;align-items:center;gap:14px}
  .topbar-link{color:var(--text-2);transition:color .22s var(--ease)}
  .topbar-link:hover{color:var(--primary)}
  @media(max-width:767px){
    .topbar-tip,.topbar-sep,.topbar-link{display:none}
    .topbar-left{gap:0}
  }

  /* ---------- 主导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(15,13,20,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .header-inner{display:flex;align-items:center;gap:18px;height:68px}
  .brand{display:flex;align-items:center;gap:10px;max-width:220px;flex:0 0 auto}
  .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);position:relative;flex:0 0 auto;box-shadow:0 6px 18px rgba(255,107,26,.35)}
  .brand-mark::after{content:"";position:absolute;inset:10px;border:2px solid rgba(15,13,20,.85);border-radius:3px;transform:rotate(45deg)}
  .brand-text{display:flex;flex-direction:column;line-height:1.12}
  .brand-line1{font-size:15px;font-weight:800;letter-spacing:-.01em}
  .brand-line2{font-size:11px;color:var(--text-2);letter-spacing:.08em}
  .main-nav{display:flex;align-items:center;gap:2px;flex:1}
  .nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--text-2);transition:color .22s var(--ease),background .22s var(--ease)}
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .nav-link.is-active{color:var(--primary)}
  .nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad)}
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:700;white-space:nowrap;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(--grad);color:#1A1006;box-shadow:0 10px 26px rgba(255,107,26,.28)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,26,.38)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{border:1px solid var(--line);color:var(--text)}
  .btn-ghost:hover{background:rgba(255,107,26,.08);border-color:rgba(255,107,26,.45)}
  .btn-accent{border:1px solid rgba(44,229,176,.4);color:var(--accent);background:rgba(44,229,176,.06)}
  .btn-accent:hover{background:rgba(44,229,176,.14)}
  .btn-sm{height:40px;padding:0 16px;font-size:14px}
  .btn-xs{height:30px;padding:0 14px;font-size:13px}
  .menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px}
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
  @media(max-width:1023px){
    .main-nav{display:none}
    .menu-toggle{display:inline-flex}
    .header-actions .btn-ghost{display:none}
  }
  @media(max-width:520px){
    .header-actions .btn-primary{display:none}
    .brand{max-width:none}
  }

  /* ---------- 移动端抽屉 ---------- */
  .mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--bg-soft);padding:22px 20px 30px;display:flex;flex-direction:column;gap:6px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .28s var(--ease),opacity .28s var(--ease);overflow-y:auto}
  .mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px}
  .drawer-title{font-size:14px;color:var(--text-2);letter-spacing:.12em}
  .drawer-close{width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);font-size:22px;line-height:1;display:grid;place-items:center}
  .drawer-link{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r-md);color:var(--text-2);border:1px solid transparent;transition:background .22s var(--ease),color .22s var(--ease)}
  .drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
  .drawer-link.is-active{color:var(--primary);border-color:rgba(255,107,26,.4);background:rgba(255,107,26,.08)}
  .drawer-cta{margin-top:auto}

  /* ---------- 通用区块 ---------- */
  .section{padding:var(--gap-section) 0}
  .section-soft{background:linear-gradient(180deg,rgba(23,19,32,.9),rgba(15,13,20,.6))}
  .section-head{max-width:760px;margin-bottom:38px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}
  .section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
  .section-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.8}
  @media(max-width:768px){:root{--gap-section:56px}}

  /* ---------- 分类 Hero ---------- */
  .cat-hero{position:relative;padding:54px 0 48px;min-height:300px;display:flex;align-items:center;border-bottom:1px solid var(--line);background-image:linear-gradient(120deg,rgba(15,13,20,.95),rgba(15,13,20,.55)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
  .breadcrumb a{color:var(--text-2);transition:color .22s var(--ease)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb .crumbs-sep{color:var(--text-3)}
  .cat-hero h1{font-size:clamp(26px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.02em;max-width:900px}
  .cat-hero .hero-lead{margin-top:16px;max-width:720px;color:var(--text-2);font-size:16px;line-height:1.85}
  .hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .badge-data{display:inline-flex;align-items:baseline;gap:8px;padding:9px 16px;border-radius:var(--r-pill);background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35)}
  .badge-data b{font-size:18px;font-weight:800;color:var(--accent);line-height:1}
  .badge-data span{font-size:12px;color:var(--text-2)}
  .cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  @media(max-width:640px){
    .cat-hero{min-height:260px;padding:40px 0 36px}
    .cat-hero-actions .btn{width:100%}
  }

  /* ---------- 卡片族 ---------- */
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}

  .cover-card{overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
  .cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
  .cover-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#221B2E}
  .cover-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .cover-card:hover .thumb img{transform:scale(1.04)}
  .thumb-tag{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;color:#1A1006;background:var(--grad)}
  .cover-card .body{padding:20px 22px 22px}
  .cover-card h3{font-size:19px;font-weight:700;line-height:1.45}
  .cover-card p{margin-top:10px;color:var(--text-2);font-size:14.5px;line-height:1.75}
  .card-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
  .card-meta .arrow{color:var(--primary);font-weight:700;transition:transform .22s var(--ease)}
  .cover-card:hover .arrow,.list-card:hover .arrow{transform:translateX(4px)}

  .list-card{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
  .list-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
  .list-card .thumb{width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;background:#221B2E}
  .list-card .thumb img{width:100%;height:100%;object-fit:cover}
  .list-card h3{font-size:16.5px;font-weight:700;line-height:1.5}
  .list-card p{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.7}
  .list-card .card-meta{margin-top:12px;padding-top:12px}

  .step-card{padding:24px;border-radius:var(--r-lg);background:var(--card-2);border:1px solid var(--line);transition:transform .24s var(--ease),border-color .24s var(--ease)}
  .step-card:hover{transform:translateY(-4px);border-color:rgba(44,229,176,.4)}
  .step-num{width:34px;height:34px;border-radius:var(--r-pill);display:grid;place-items:center;font-size:14px;font-weight:800;color:var(--accent);background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35)}
  .step-card h3{margin-top:14px;font-size:17px;font-weight:700}
  .step-card p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.75}

  /* ---------- 分类说明 ---------- */
  .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
  .prose-cn p{color:var(--text-2);font-size:15.5px;line-height:1.9}
  .prose-cn p+p{margin-top:16px}
  .check-list{margin-top:26px;display:grid;gap:12px}
  .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.75}
  .check-icon{flex:0 0 auto;width:22px;height:22px;border-radius:var(--r-pill);background:rgba(44,229,176,.14);border:1px solid rgba(44,229,176,.4);color:var(--accent);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px}
  .note-panel{padding:26px;border-radius:var(--r-xl);background:linear-gradient(150deg,rgba(37,30,51,.95),rgba(28,23,38,.85));border:1px solid var(--line)}
  .note-panel h3{font-size:17px;font-weight:700}
  .note-panel p{margin-top:12px;color:var(--text-2);font-size:14.5px;line-height:1.8}
  .note-panel .badge-data{margin-top:18px}
  @media(max-width:1023px){.intro-grid{grid-template-columns:1fr;gap:26px}}

  /* ---------- 左目录 + 右网格 ---------- */
  .cat-layout{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}
  .toc-card{position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow)}
  .toc-title{font-size:12.5px;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px}
  .toc-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:6px 10px;border-radius:var(--r-md);color:var(--text-2);font-size:15px;border-left:2px solid transparent;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
  .toc-link:hover{background:rgba(255,107,26,.08);color:var(--text);border-left-color:var(--primary)}
  .toc-num{flex:0 0 auto;width:26px;height:26px;border-radius:var(--r-pill);display:grid;place-items:center;font-size:12px;font-weight:800;color:var(--accent);background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35)}
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  @media(max-width:1439px){.grid-3{grid-template-columns:repeat(3,1fr)}}
  @media(max-width:1023px){
    .cat-layout{grid-template-columns:1fr}
    .toc-card{position:static}
    .grid-3{grid-template-columns:repeat(2,1fr)}
  }
  @media(max-width:640px){
    .grid-3,.grid-2{grid-template-columns:1fr}
  }

  /* ---------- 对比卡片 ---------- */
  .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .compare-card{position:relative;padding:26px;border-radius:var(--r-xl);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
  .compare-card:hover{transform:translateY(-4px);border-color:rgba(124,77,255,.5);box-shadow:var(--shadow-hover)}
  .compare-card h3{font-size:18px;font-weight:700}
  .compare-card .compare-note{margin-top:8px;font-size:13.5px;color:var(--accent)}
  .compare-rows{margin-top:18px}
  .compare-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
  .compare-row:last-child{border-bottom:0}
  .compare-row dt{color:var(--text-3);flex:0 0 84px}
  .compare-row dd{margin:0;color:var(--text-2);text-align:right;flex:1}
  @media(max-width:1023px){.compare-grid{grid-template-columns:1fr}}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease)}
  .faq-item:hover{border-color:rgba(255,107,26,.35)}
  .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{flex:0 0 auto;width:22px;height:22px;color:var(--primary);transition:transform .24s var(--ease)}
  .faq-item[open] .faq-icon{transform:rotate(180deg)}
  .faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

  /* ---------- 相关推荐 ---------- */
  .rel-card{padding:22px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
  .rel-card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.45);box-shadow:var(--shadow-hover)}
  .rel-card .rel-tag{font-size:12px;color:var(--accent);letter-spacing:.08em}
  .rel-card h3{font-size:17px;font-weight:700}
  .rel-card p{color:var(--text-2);font-size:14.5px;line-height:1.75}
  .rel-card .rel-more{margin-top:auto;font-size:14px;font-weight:700;color:var(--primary)}

  /* ---------- CTA ---------- */
  .cta-band{margin-top:12px;padding:44px;border-radius:var(--r-xl);border:1px solid var(--line);background:linear-gradient(135deg,rgba(255,107,26,.16),rgba(124,77,255,.14));display:grid;grid-template-columns:1.4fr .9fr;gap:28px;align-items:center}
  .cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3}
  .cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8}
  .cta-actions{display:flex;flex-direction:column;gap:12px}
  @media(max-width:1023px){
    .cta-band{grid-template-columns:1fr;padding:30px}
    .cta-actions .btn{width:100%}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding-top:64px;margin-top:var(--gap-section)}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
  .footer-brand{display:flex;align-items:center;gap:10px}
  .footer-brand .brand-mark{width:32px;height:32px}
  .footer-desc{margin-top:16px;color:var(--text-2);font-size:14px;line-height:1.8;max-width:340px}
  .footer-title{font-size:15px;font-weight:700;margin:0 0 14px}
  .footer-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
  .footer-link:hover{color:var(--primary);transform:translateX(2px)}
  .footer-bar{border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:18px 0 28px;font-size:13px;color:var(--text-3)}
  @media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:26px}}
  @media(prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category2 */
:root{
  --bg:#0F0D14;
  --bg-soft:#171320;
  --bg-deep:#0B0910;
  --card:#1C1726;
  --card-2:#251E33;
  --line:rgba(255,255,255,.08);
  --primary:#FF6B1A;
  --primary-2:#FFB524;
  --accent:#2CE5B0;
  --accent-2:#7C4DFF;
  --text:#F6F3F9;
  --text-2:#A9A2B8;
  --text-3:#6F6880;
  --danger:#FF5470;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 60px rgba(255,107,26,.18);
  --t:220ms cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
section[id],div[id]{scroll-margin-top:88px}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media(min-width:640px){.container-x{padding:0 24px}}
@media(min-width:1024px){.container-x{padding:0 32px}}
@media(min-width:1440px){.container-x{max-width:1280px}}

/* ===== 顶部信息条 ===== */
.topbar{
  background:linear-gradient(90deg,rgba(255,107,26,.06),rgba(11,9,16,0) 62%),var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;color:var(--text-2)}
.topbar-domain{color:var(--text-3);letter-spacing:.02em}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-link{color:var(--text-2);font-size:13px}
.topbar-link:hover{color:var(--primary)}
@media(max-width:767px){
  .topbar-left{display:none}
  .topbar-inner{justify-content:flex-end}
}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(15,13,20,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;max-width:220px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 20px rgba(255,107,26,.3);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid rgba(15,13,20,.85);
  border-radius:4px;transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-line1{font-size:15px;font-weight:800;letter-spacing:.02em}
.brand-line2{font-size:13px;font-weight:600;color:var(--text-2)}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:flex;align-items:center;min-height:44px;
  padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);align-items:center;justify-content:center;cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.menu-toggle:hover{background:rgba(255,107,26,.08);border-color:rgba(255,107,26,.45)}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
@media(max-width:1023px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
}
@media(max-width:639px){
  .header-cta{display:none}
}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg-soft);
  display:flex;flex-direction:column;padding:20px 20px 28px;
  transform:translateX(100%);transition:transform var(--t);visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);cursor:pointer;font-size:16px;line-height:1;
}
.drawer-close:hover{border-color:rgba(255,107,26,.45);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;flex:1}
.drawer-link{
  display:flex;align-items:center;min-height:44px;padding:12px 4px;font-size:16px;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--text)}
.drawer-link.is-active{color:var(--primary)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0F06;box-shadow:0 10px 26px rgba(255,107,26,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,107,26,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(255,107,26,.08);border-color:rgba(255,107,26,.45);transform:translateY(-2px)}
.btn-accent{background:transparent;border-color:rgba(44,229,176,.35);color:var(--accent)}
.btn-accent:hover{background:rgba(44,229,176,.12);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-3)}

/* ===== 分类 Hero（整宽大封面） ===== */
.cat-hero{
  position:relative;
  display:flex;align-items:flex-end;
  min-height:320px;
  padding:72px 0 52px;
  background-image:
    linear-gradient(120deg,rgba(15,13,20,.94),rgba(15,13,20,.5)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(255,107,26,0),rgba(255,107,26,.55),rgba(255,107,26,0));
}
.hero-title{
  margin-top:16px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.75;color:var(--text-2);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ===== 数据徽章 ===== */
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35);
}
.badge-data b{font-size:18px;font-weight:800;color:var(--accent);line-height:1}
.badge-data span{font-size:12px;color:var(--text-2)}

/* ===== 板块 ===== */
.section{padding:64px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.section-title{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
@media(min-width:1024px){.section-title{font-size:34px}}
.section-desc{margin-top:12px;max-width:700px;font-size:15px;line-height:1.8;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;margin-bottom:14px;
  border-radius:var(--radius-pill);border:1px solid rgba(124,77,255,.45);
  background:rgba(124,77,255,.08);font-size:12px;color:var(--text-2);letter-spacing:.04em;
}

/* ===== 卡片族 ===== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.45)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms cubic-bezier(.22,.61,.36,1)}
.card:hover .thumb img{transform:scale(1.04)}
.tag{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(15,13,20,.72);border:1px solid var(--line);font-size:12px;color:var(--text);
}
.cover-card{border-radius:var(--radius-lg)}
.cover-body{padding:20px 22px 22px}
.cover-title{font-size:20px;line-height:1.4;font-weight:700}
.cover-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.cover-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.cover-foot .arrow{color:var(--primary);font-size:16px;transition:transform var(--t)}
.card:hover .cover-foot .arrow{transform:translateX(4px)}

/* 封面网格 */
.cover-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:640px){.cover-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cover-grid{grid-template-columns:repeat(3,1fr)}}

/* 两列瀑布 */
.waterfall{column-count:1;column-gap:24px}
@media(min-width:640px){.waterfall{column-count:2}}
.waterfall > *{break-inside:avoid;margin-bottom:24px;display:block;width:100%}

/* 条目卡 */
.entry-card{display:flex;gap:16px;padding:16px}
.entry-thumb{
  flex:0 0 96px;width:96px;height:96px;border-radius:16px;overflow:hidden;background:var(--card-2);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body{flex:1;min-width:0}
.entry-title{
  font-size:17px;line-height:1.4;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-desc{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:13px;color:var(--text-3)}

/* 要点清单 */
.check-list{display:grid;gap:14px;margin-top:32px}
@media(min-width:768px){.check-list{grid-template-columns:repeat(2,1fr)}}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-md);
  background:var(--card);border:1px solid var(--line);
  transition:border-color var(--t),transform var(--t);
}
.check-item:hover{border-color:rgba(44,229,176,.4);transform:translateY(-2px)}
.check-icon{
  flex:0 0 22px;width:22px;height:22px;margin-top:3px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(44,229,176,.14);border:1px solid rgba(44,229,176,.4);
  color:var(--accent);font-size:12px;font-weight:800;line-height:1;
}
.check-text{font-size:15px;line-height:1.7;color:var(--text-2)}
.check-text b{color:var(--text);font-weight:600}

/* 对比小节 */
.compare{display:grid;gap:20px;margin-top:32px;grid-template-columns:1fr}
@media(min-width:768px){.compare{grid-template-columns:repeat(2,1fr)}}
.compare-card{
  padding:26px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
}
.compare-card.is-featured{
  border-color:rgba(255,107,26,.45);
  background:linear-gradient(160deg,rgba(255,107,26,.09),rgba(28,23,38,.92));
}
.compare-title{font-size:20px;font-weight:700}
.compare-sub{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2)}
.compare-list{margin-top:18px}
.compare-item{
  display:flex;gap:10px;align-items:flex-start;padding:12px 0;
  font-size:14px;line-height:1.7;color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.compare-item:last-child{border-bottom:0}
.compare-item b{color:var(--text);font-weight:600}
.dot{
  flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(44,229,176,.12);
}
.compare-card.is-featured .dot{background:var(--primary);box-shadow:0 0 0 4px rgba(255,107,26,.14)}

/* 紧凑行列表 */
.row-list{margin-top:28px;border-top:1px solid var(--line)}
.row-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.row-title{font-size:16px;font-weight:600;transition:color var(--t)}
.row-item:hover .row-title{color:var(--primary)}
.row-time{font-size:13px;color:var(--text-3);white-space:nowrap}

/* FAQ */
.faq-list{display:grid;gap:12px;margin-top:28px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color var(--t)}
.faq-item.is-open{border-color:rgba(255,107,26,.45)}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.5;cursor:pointer;
}
.faq-arrow{flex:0 0 auto;color:var(--primary);font-size:18px;line-height:1;transition:transform var(--t)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.22,.61,.36,1)}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* 相关推荐 */
.related-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-body{padding:18px 20px 20px}
.related-title{font-size:17px;font-weight:700}
.related-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2)}
.related-more{margin-top:14px;font-size:13px;color:var(--primary)}

/* CTA 大板 */
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  padding:44px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,107,26,.16),rgba(124,77,255,.14)),var(--card);
  border:1px solid var(--line);
}
.cta-panel::before{
  content:"";position:absolute;top:-90px;right:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,26,.28),rgba(255,107,26,0) 68%);
}
@media(min-width:768px){.cta-panel{padding:56px 40px}}
.cta-title{position:relative;font-size:26px;line-height:1.3;font-weight:800}
@media(min-width:1024px){.cta-title{font-size:32px}}
.cta-desc{position:relative;margin:16px auto 0;max-width:640px;font-size:15px;line-height:1.8;color:var(--text-2)}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-tip{position:relative;margin-top:16px;font-size:13px;color:var(--accent);min-height:20px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:360px}
.footer-link{
  display:block;padding:6px 0;font-size:14px;color:var(--text-2);
  transition:color var(--t),transform var(--t);
}
.footer-link:hover{color:var(--primary);transform:translateX(2px)}
.footer-bar{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg:#0F0D14;
  --bg-soft:#171320;
  --bg-deep:#0B0910;
  --card:#1C1726;
  --card-2:#251E33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,107,26,.45);
  --primary:#FF6B1A;
  --primary-2:#FFB524;
  --accent:#2CE5B0;
  --accent-2:#7C4DFF;
  --text:#F6F3F9;
  --text-2:#A9A2B8;
  --text-3:#6F6880;
  --danger:#FF5470;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 60px rgba(255,107,26,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
  --grad:linear-gradient(135deg,var(--primary),var(--primary-2));
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 82% -12%,rgba(124,77,255,.16),transparent 62%),
    radial-gradient(720px 440px at 4% 10%,rgba(255,107,26,.13),transparent 64%);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.site-header,main,.site-footer{position:relative;z-index:1}

.container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:640px){.container-x{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1440px){.container-x{max-width:1280px}}

/* ============ 顶部信息条 ============ */
.topbar{
  background:linear-gradient(rgba(255,107,26,.06),rgba(255,107,26,.06)),var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:5px;padding-bottom:5px}
.topbar-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar-domain{color:var(--text-3);letter-spacing:.02em}
.topbar-note{color:var(--text-2)}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-link{color:var(--text-2);font-size:13px}
.topbar-link:hover{color:var(--primary)}
.topbar-btn{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--pill);
  background:var(--grad);color:#1A1006;font-size:13px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,107,26,.28);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.topbar-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,26,.36)}
@media(max-width:767px){.topbar-note{display:none}}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,13,20,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;max-width:220px}
.brand-mark{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;background:var(--grad);
  transform:rotate(45deg);box-shadow:0 8px 20px rgba(255,107,26,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-line1{font-size:15px;font-weight:800;letter-spacing:.01em}
.brand-line2{font-size:11px;color:var(--text-2);letter-spacing:.2em}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
  font-size:15px;color:var(--text-2);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:var(--pill);
  background:var(--grad);color:#1A1006;font-weight:700;font-size:14px;
  box-shadow:0 10px 24px rgba(255,107,26,.26);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,26,.34)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text);cursor:pointer;align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--line-strong)}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
@media(max-width:1023px){
  .main-nav{display:none}
  .nav-cta{display:none}
  .hamburger{display:inline-flex}
}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg-soft);
  display:none;flex-direction:column;padding:16px 16px 24px;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;
  color:var(--text);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--line-strong);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--primary);transform:translateX(2px)}
.drawer-link.is-active{color:var(--primary);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ============ 通用组件 ============ */
.badge-data{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--pill);
  background:rgba(44,229,176,.12);border:1px solid rgba(44,229,176,.35);
}
.badge-data b{font-size:18px;font-weight:800;color:var(--accent);letter-spacing:.02em}
.badge-data span{font-size:12px;color:var(--text-2)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;color:var(--text-2);border:1px solid rgba(124,77,255,.45);
  background:rgba(124,77,255,.10);
}
.tag-accent{color:var(--accent);border-color:rgba(44,229,176,.35);background:rgba(44,229,176,.10)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--grad);color:#1A1006;box-shadow:0 12px 28px rgba(255,107,26,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(255,107,26,.38)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(255,107,26,.08);border-color:var(--line-strong)}
.btn-accent{background:transparent;border-color:rgba(44,229,176,.35);color:var(--accent)}
.btn-accent:hover{transform:translateY(-2px);background:rgba(44,229,176,.10);border-color:rgba(44,229,176,.6)}
.btn:active{transform:translateY(0)}

.section{padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.section-alt{background:var(--bg-soft);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:28px;flex-wrap:wrap}
.section-title{font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
@media(min-width:768px){.section-title{font-size:28px}}
.section-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px}
.section-more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.section-more:hover{color:var(--primary);transform:translateX(2px)}

/* ============ 面包屑 + 分类 Hero ============ */
.crumb{font-size:13px;color:var(--text-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-3)}
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(15,13,20,.94),rgba(15,13,20,.55)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{padding-top:34px;padding-bottom:38px;min-height:300px;display:flex;flex-direction:column;justify-content:center;gap:18px}
.cat-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.02em;max-width:900px}
.cat-hero p.lead{color:var(--text-2);font-size:15px;max-width:760px}
.cat-hero .crumb{order:-1}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}

/* ============ 布局：左内容 + 右粘性侧栏 ============ */
.layout-split{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
@media(min-width:1080px){.layout-split{grid-template-columns:minmax(0,1fr) 336px;gap:32px}}
.side-col{display:flex;flex-direction:column;gap:20px}
@media(min-width:1080px){.side-col{position:sticky;top:92px}}

/* ============ 文本块 ============ */
.prose-cn p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:16px}
.prose-cn p strong{color:var(--text);font-weight:600}
.check-list{display:grid;gap:12px;margin-top:8px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 18px;border-radius:var(--r-sm);
  background:var(--card);border:1px solid var(--line);font-size:15px;color:var(--text-2);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.check-list li:hover{border-color:var(--line-strong);transform:translateX(2px)}
.check-list li::before{
  content:"";flex:0 0 18px;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,rgba(44,229,176,.95) 0 3px,transparent 4px),
    rgba(44,229,176,.14);
  border:1px solid rgba(44,229,176,.5);
}

/* ============ 时间轴 ============ */
.timeline{display:flex;flex-direction:column;margin-top:6px}
.tl-item{position:relative;display:flex;gap:16px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:19px;top:46px;bottom:4px;width:2px;
  background:linear-gradient(180deg,rgba(44,229,176,.55),rgba(255,107,26,.3));border-radius:2px;
}
.tl-num{
  position:relative;z-index:1;flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:800;color:#08130F;
  background:linear-gradient(135deg,var(--accent),#17b98b);box-shadow:0 10px 22px rgba(44,229,176,.22);
}
.tl-body{
  flex:1;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.tl-body:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tl-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.tl-body p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.tl-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}

/* ============ 封面大卡 ============ */
.cover-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.cover-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.cover-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.cover-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.cover-media{position:relative;aspect-ratio:16/9;background:var(--card-2);overflow:hidden}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.cover-card:hover .cover-media img{transform:scale(1.04)}
.cover-tag{position:absolute;left:14px;top:14px}
.cover-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cover-body h3{
  font-size:19px;font-weight:700;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cover-body p{
  color:var(--text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);
}
.card-foot .go{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.cover-card:hover .card-foot .go{transform:translateX(2px)}

/* ============ 标准条目卡 ============ */
.entry-list{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.entry-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
.entry-card{
  display:flex;gap:16px;padding:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.entry-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.thumb{flex:0 0 96px;width:96px;height:96px;border-radius:16px;overflow:hidden;background:var(--card-2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.entry-card:hover .thumb img{transform:scale(1.05)}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.entry-body h3{font-size:17px;font-weight:700;line-height:1.45}
.entry-body p{
  color:var(--text-2);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--text-3)}

/* ============ 紧凑行条目（侧栏） ============ */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
}
.panel-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad)}
.row-list{display:flex;flex-direction:column}
.row-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;
  border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.row-item:last-child{border-bottom:0}
.row-item:hover{color:var(--primary);transform:translateX(2px)}
.row-item .r-time{font-size:12.5px;color:var(--text-3);flex:0 0 auto}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;min-height:40px;font-size:14px;color:var(--text-2);
  border-radius:10px;padding:0 10px;
}
.anchor-list a:hover{color:var(--primary);background:rgba(255,107,26,.08)}

/* ============ 对比小节 ============ */
.compare-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.compare-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.compare-card.is-featured{background:linear-gradient(160deg,rgba(255,107,26,.14),rgba(28,23,38,.9));border-color:rgba(255,107,26,.4)}
.compare-card h3{font-size:18px;font-weight:700}
.compare-card .c-sub{font-size:13px;color:var(--text-3)}
.compare-list{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--text-2)}
.compare-list li{display:flex;gap:10px;line-height:1.7}
.compare-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--accent)}
.compare-card .btn{margin-top:auto;width:100%}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .24s var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(255,107,26,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.chev{flex:0 0 20px;color:var(--primary);font-size:18px;line-height:1;transition:transform .24s var(--ease)}
.faq-item[open] .chev{transform:rotate(180deg)}
.faq-ans{padding:0 20px 18px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ============ 相关推荐 ============ */
.reco-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.reco-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.reco-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.reco-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--r-md);
  background:var(--card-2);border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.reco-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.reco-card h3{font-size:17px;font-weight:700}
.reco-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.reco-card .go{margin-top:auto;color:var(--primary);font-size:14px;font-weight:600}

/* ============ CTA 大板 ============ */
.cta-board{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid rgba(255,107,26,.35);
  background-image:linear-gradient(120deg,rgba(15,13,20,.92),rgba(15,13,20,.62)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;padding:36px 24px;
}
@media(min-width:768px){.cta-board{padding:52px 44px}}
.cta-board h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.28;max-width:760px}
.cta-board p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:680px}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding-top:56px;padding-bottom:40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{flex:0 0 26px;width:26px;height:26px}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:420px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-link{display:block;padding:7px 0;font-size:14px;color:var(--text-2)}
.footer-link:hover{color:var(--primary);transform:translateX(2px)}
.footer-bar{
  border-top:1px solid var(--line);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

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