/* roulang page: index */
:root{
  --ink-900:#0D0B18; --ink-800:#17122B;
  --brand-600:#6D4AFF; --brand-500:#8A6BFF;
  --accent-500:#FF8A3D; --mint-500:#22D3A7;
  --paper:#F6F5FB; --surface:#FFFFFF; --line:#E6E3F5;
  --text-900:#1A1730; --text-600:#5A5670; --text-400:#8B87A3;
  --r-card:18px; --r-btn:12px; --r-pill:999px; --r-banner:26px;
  --sh-1:0 1px 2px rgba(13,11,24,.06);
  --sh-2:0 12px 32px -12px rgba(13,11,24,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text-900);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-title{font-size:32px;font-weight:800;color:var(--text-900)}
.sec-sub{color:var(--text-600);font-size:16px;margin-top:10px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-600);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-600);border-radius:2px}
.dark .sec-title{color:#F4F2FF}
.dark .sec-sub{color:#B9B4D6}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,11,24,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-600) 55%,#4A2FD6);
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{color:#F4F2FF;font-size:14px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.logo-text span{color:#8B87A3;font-size:11px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1}
.nav-link{
  position:relative;padding:20px 13px;font-size:14px;color:#CFCAE8;
  transition:color .16s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .16s ease;
}
.nav-link:hover{color:#F4F2FF}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#F4F2FF;font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:38px;width:236px;
  padding:0 10px 0 12px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  transition:border-color .16s ease,background .16s ease;
}
.cmd-search:focus-within{border-color:rgba(138,107,255,.75);background:rgba(255,255,255,.09);box-shadow:0 0 0 3px rgba(109,74,255,.22)}
.cmd-search svg{width:15px;height:15px;color:#8B87A3;flex-shrink:0}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:0;font-size:13px;color:#F4F2FF}
.cmd-search input::placeholder{color:#8B87A3}
.kbd{font-size:11px;color:#B9B4D6;border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:2px 6px;white-space:nowrap}
.nav-text-link{font-size:14px;color:#CFCAE8;padding:8px 4px;transition:color .16s ease;white-space:nowrap}
.nav-text-link:hover{color:#F4F2FF}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.22),var(--sh-1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 10px 22px -10px rgba(109,74,255,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-900)}
.btn-ghost:hover{background:#EFEBFF;border-color:rgba(109,74,255,.35)}
.btn-dark-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.22);color:#F4F2FF}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-lg{height:50px;padding:0 26px;font-size:15px}
.btn:focus-visible,.nav-link:focus-visible,.nav-text-link:focus-visible,.cmd-search input:focus-visible,.faq-item summary:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-btn);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:16px;height:2px;background:#F4F2FF;border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:#F4F2FF;border-radius:2px}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.drawer{
  position:fixed;inset:64px 0 0 0;background:var(--ink-900);z-index:70;
  padding:24px 20px 40px;overflow-y:auto;display:none;
}
.drawer.open{display:block}
.drawer .cmd-search{width:100%;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.08);color:#CFCAE8;font-size:15px}
.drawer-nav a.active{color:#F4F2FF;font-weight:700}
.drawer .btn{width:100%;margin-top:22px}

/* ---------- Hero ---------- */
.hero{
  position:relative;background-color:var(--ink-900);
  background-image:linear-gradient(112deg,rgba(13,11,24,.95) 0%,rgba(13,11,24,.88) 42%,rgba(23,18,43,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;top:-80px;right:-60px;width:420px;height:640px;
  background:linear-gradient(160deg,rgba(109,74,255,.42),rgba(255,138,61,.16) 60%,transparent 78%);
  transform:rotate(18deg);filter:blur(6px);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:92px 0 96px;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{color:#F4F2FF;font-size:50px;font-weight:800;line-height:1.16}
.hero-lead{color:#B9B4D6;font-size:17px;line-height:1.9;margin-top:20px;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.trust-row{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.trust-item{display:flex;align-items:center;gap:9px;color:#B9B4D6;font-size:13.5px}
.trust-item svg{width:16px;height:16px;color:var(--mint-500);flex-shrink:0}
.entry-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-banner);padding:24px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.9);
}
.seg{display:flex;gap:6px;background:rgba(13,11,24,.55);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:4px;margin-bottom:20px}
.seg span{flex:1;text-align:center;font-size:12.5px;color:#B9B4D6;padding:7px 4px;border-radius:8px}
.seg span.on{background:var(--brand-600);color:#fff;font-weight:700}
.entry-list{display:flex;flex-direction:column;gap:10px}
.entry-row{
  display:flex;align-items:center;gap:12px;padding:14px 14px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.entry-row:hover{border-color:rgba(138,107,255,.6);background:rgba(109,74,255,.14);transform:translateX(2px)}
.entry-row .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.18);flex-shrink:0}
.entry-row b{color:#F4F2FF;font-size:14.5px;font-weight:700;flex:1}
.entry-row small{display:block;color:#8B87A3;font-size:12px;font-weight:400;margin-top:2px}
.entry-row .arrow{color:#8A6BFF;flex-shrink:0}
.entry-note{display:flex;gap:9px;align-items:flex-start;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.09);color:#8B87A3;font-size:12.5px;line-height:1.7}
.entry-note svg{width:14px;height:14px;color:var(--accent-500);flex-shrink:0;margin-top:4px}

/* ---------- 痛点 ---------- */
.pain{background:var(--paper)}
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.pain-sticky{position:sticky;top:100px}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.pain-num{
  font-size:38px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px rgba(109,74,255,.55);flex-shrink:0;width:66px;
  font-variant-numeric:tabular-nums;
}
.pain-item h3{font-size:19px;font-weight:700;color:var(--text-900)}
.pain-item p{color:var(--text-600);font-size:15px;margin-top:8px}

/* ---------- 解决方案 ---------- */
.solution{background:#F1EFFA}
.sol-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0}
.sol-row + .sol-row{border-top:1px solid rgba(109,74,255,.14)}
.sol-row.rev .sol-text{order:2}
.sol-row.rev .sol-media{order:1}
.sol-tag{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:#EFEBFF;color:var(--brand-600);font-size:12.5px;font-weight:700}
.sol-text h3{font-size:24px;font-weight:800;margin-top:16px;color:var(--text-900)}
.sol-text p{color:var(--text-600);font-size:15.5px;margin-top:12px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--text-600);font-size:13px}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.sol-media{border-radius:var(--r-banner);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff}
.sol-media img{width:100%;height:300px;object-fit:cover}

/* ---------- 数据带 ---------- */
.metrics{
  background-color:var(--ink-900);
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:18px 18px;
}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:8px 26px;border-left:1px solid rgba(255,255,255,.12)}
.metric:first-child{border-left:0;padding-left:0}
.metric .v{font-size:44px;font-weight:800;color:#F4F2FF;line-height:1.1;font-variant-numeric:tabular-nums}
.metric .v em{font-style:normal;font-size:17px;color:#8A6BFF;margin-left:6px;font-weight:700}
.metric .k{color:#B9B4D6;font-size:14px;margin-top:10px}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.bcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.bcard:hover{border-color:rgba(109,74,255,.32);box-shadow:var(--sh-2);transform:translateY(-2px)}
.bcard h3{font-size:19px;font-weight:700;margin-top:16px}
.bcard p{color:var(--text-600);font-size:15px;margin-top:10px}
.bcard-a{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#FBFAFF,#F3F0FF)}
.bcard-a h3{font-size:26px;margin-top:18px}
.bcard-a p{font-size:15.5px}
.bcard-d{grid-column:span 4;display:flex;align-items:center;gap:24px;justify-content:space-between}
.bico{
  width:44px;height:44px;border-radius:13px;background:#EFEBFF;color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.bico svg{width:21px;height:21px}
.bcard-a .bico{width:52px;height:52px;border-radius:15px;background:var(--brand-600);color:#fff}
.bcard-a .bico svg{width:25px;height:25px}
.bcard-d .bico{background:#FFF3EA;color:var(--accent-500)}
.bcard-media{margin-top:22px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.bcard-media img{width:100%;height:190px;object-fit:cover}

/* ---------- 最新信息 ---------- */
.news{background:var(--paper)}
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.news-row:hover{background:#FAF9FF}
.news-row.is-featured{background:#F4F1FF}
.news-row.is-featured:hover{background:#EFEBFF}
.news-thumb{width:120px;height:80px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
.news-main h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-main p{
  color:var(--text-600);font-size:14px;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;color:var(--text-400);font-size:13px;white-space:nowrap}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:#EFEBFF;color:var(--brand-600);font-size:12.5px;font-weight:700}
.news-arrow{color:var(--brand-600)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--text-600);font-size:15px;background:#fff;text-align:center;padding:24px;
}
.empty-state small{color:var(--text-400);font-size:13px}
.link-more{color:var(--brand-600);font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;transition:gap .18s ease}
.link-more:hover{gap:10px}

/* ---------- 证言 ---------- */
.voices{background:#fff}
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.voice{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px 26px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.voice:hover{border-color:rgba(109,74,255,.3);box-shadow:var(--sh-2);transform:translateY(-2px)}
.voice .quote{font-size:44px;line-height:1;color:var(--brand-600);font-weight:800;opacity:.35}
.voice p{color:var(--text-600);font-size:15px;margin-top:12px}
.voice-author{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-600));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.voice-author b{display:block;font-size:14.5px;color:var(--text-900)}
.voice-author span{display:block;font-size:12.5px;color:var(--text-400)}

/* ---------- FAQ ---------- */
.faq{background:var(--paper)}
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;gap:14px;
  font-size:17px;font-weight:700;color:var(--text-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{color:var(--brand-600);font-weight:800;flex-shrink:0}
.faq-arrow{margin-left:auto;color:var(--text-400);flex-shrink:0;transition:transform .2s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-a{padding:18px 22px 22px 54px;color:var(--text-600);font-size:15px;border-top:1px solid var(--line)}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--ink-900),var(--ink-800) 60%,#241B47);
  border-radius:var(--r-banner);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-banner::after{
  content:"";position:absolute;top:-70px;right:-40px;width:280px;height:320px;
  background:linear-gradient(150deg,rgba(138,107,255,.5),rgba(255,138,61,.18) 65%,transparent);
  transform:rotate(20deg);pointer-events:none;
}
.cta-banner h2{color:#F4F2FF;font-size:29px;font-weight:800;line-height:1.35;position:relative;z-index:2}
.cta-banner p{color:#B9B4D6;font-size:15px;margin-top:10px;position:relative;z-index:2;max-width:560px}
.cta-banner .btn{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#B9B4D6;padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.85;max-width:330px;color:#8B87A3}
.foot-col h4{color:#F4F2FF;font-size:14px;font-weight:800;margin-bottom:16px}
.foot-col a{display:block;font-size:14px;color:#B9B4D6;padding:6px 0;transition:color .16s ease}
.foot-col a:hover{color:var(--brand-500)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8B87A3;
}
.foot-bottom a{color:#8B87A3}
.foot-bottom a:hover{color:var(--brand-500)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:44px}
  .nav-links{gap:0}
  .nav-link{padding:20px 10px;font-size:13.5px}
  .cmd-search{width:190px}
}
@media (max-width:1023px){
  .nav-links,.nav-right .cmd-search,.nav-right .nav-text-link{display:none}
  .burger{display:flex}
  .nav-right{margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 72px}
  .hero h1{font-size:36px}
  .pain-grid{grid-template-columns:1fr;gap:32px}
  .pain-sticky{position:static}
  .sol-row{grid-template-columns:1fr;gap:28px}
  .sol-row.rev .sol-text{order:1}
  .sol-row.rev .sol-media{order:2}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .bento{grid-template-columns:1fr 1fr}
  .bcard-a{grid-column:span 2;grid-row:span 1}
  .bcard-d{grid-column:span 2}
  .voice-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .hero h1{font-size:31px}
  .hero-lead{font-size:16px}
  .sec-title{font-size:25px}
  .news-row{grid-template-columns:1fr;gap:12px}
  .news-thumb{width:100%;height:160px}
  .news-meta{flex-wrap:wrap}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-left:0;padding:0 0 0 14px;border-left:2px solid rgba(109,74,255,.5)}
  .bento{grid-template-columns:1fr}
  .bcard-a,.bcard-d{grid-column:span 1}
  .bcard-d{flex-direction:column;align-items:flex-start}
  .cta-banner{padding:36px 24px}
  .cta-banner h2{font-size:23px}
  .cta-banner .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .faq-a{padding-left:22px}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0}
}
@media (max-width:520px){
  .trust-row{gap:14px;flex-direction:column;align-items:flex-start}
  .metric .v{font-size:36px}
}

/* roulang page: article */
:root{
  --ink-900:#0D0B18;
  --ink-800:#17122B;
  --brand-600:#6D4AFF;
  --brand-500:#8A6BFF;
  --accent-500:#FF8A3D;
  --mint-500:#22D3A7;
  --paper:#F6F5FB;
  --surface:#FFFFFF;
  --line:#E6E3F5;
  --text-900:#1A1730;
  --text-600:#5A5670;
  --text-400:#8B87A3;
  --light-100:#F4F2FF;
  --light-200:#B9B4D6;
  --tint:#EFEBFF;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-hero:26px;
  --shadow-sm:0 1px 2px rgba(13,11,24,.06);
  --shadow-md:0 12px 32px -12px rgba(13,11,24,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease),opacity .16s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
::selection{background:rgba(109,74,255,.18)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,11,24,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1240px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;padding:0 24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 6px 16px -8px rgba(109,74,255,.9);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{display:flex;flex-direction:column;line-height:1.18}
.logo-text b{color:var(--light-100);font-size:15px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-text span{color:var(--text-400);font-size:11.5px;letter-spacing:.06em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:9px;
  font-size:14.5px;color:var(--light-200);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .16s var(--ease);
}
.nav-link:hover{color:var(--light-100);background:rgba(255,255,255,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#FFFFFF}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;min-width:264px;
  padding:0 10px 0 12px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(138,107,255,.7);background:rgba(255,255,255,.09)}
.cmd-search svg{width:16px;height:16px;color:var(--light-200);flex-shrink:0}
.cmd-search input{
  flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--light-100);
}
.cmd-search input::placeholder{color:var(--text-400)}
.cmd-search input::-webkit-search-cancel-button{display:none}
.kbd{
  font-size:11px;line-height:1;padding:4px 7px;border-radius:6px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  color:var(--light-200);white-space:nowrap;
}
.nav-text-link{font-size:14px;color:var(--light-200);white-space:nowrap}
.nav-text-link:hover{color:#FFFFFF}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:11px}
.btn-primary{
  background:var(--brand-600);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 10px 22px -12px rgba(109,74,255,.95);
}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.18);color:var(--light-100);background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--text-900)}
.btn-outline:hover{background:var(--tint);border-color:rgba(109,74,255,.35);transform:translateY(-1px)}
.burger{
  display:none;width:42px;height:38px;border-radius:11px;cursor:pointer;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;
}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--light-100);position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--light-100);
}
.burger span::before{top:-5px}
.burger span::after{top:5px}

/* ---------- 面包屑 ---------- */
.page-head{padding:24px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-400);min-width:0}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C9C5DC}
.breadcrumb .current{
  color:var(--text-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:460px;
}

/* ---------- 文章头部 ---------- */
.article-hero{
  margin-top:20px;padding:40px 0 44px;
  background:
    radial-gradient(circle at 12% 20%,rgba(109,74,255,.12),transparent 42%),
    linear-gradient(180deg,#F1EFFA 0%,#F6F5FB 100%);
  border-bottom:1px solid var(--line);
}
.article-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:0;
  margin:18px 0 20px;max-width:920px;color:var(--text-900);
}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--tint);color:var(--brand-600);
  font-size:13px;font-weight:700;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--text-600)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px}
.status-dot{
  width:6px;height:6px;border-radius:50%;background:var(--mint-500);
  box-shadow:0 0 0 4px rgba(34,211,167,.18);flex-shrink:0;
}
.meta-divider{width:1px;height:14px;background:var(--line)}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 72px}
.article-cover{
  max-width:960px;margin:0 auto 44px;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-md);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{
  max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text-900);
  word-break:break-word;
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:28px;font-weight:800;line-height:1.35;margin:44px 0 16px;
  padding-left:12px;border-left:4px solid var(--brand-600);
}
.article-body h3{font-size:21px;font-weight:700;line-height:1.5;margin:32px 0 12px}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:22px}
.article-body li{margin:.6em 0}
.article-body ul li::marker{color:var(--brand-600)}
.article-body ol li::marker{color:var(--brand-600);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;border-left:3px solid var(--brand-600);
  background:#F4F1FF;border-radius:0 14px 14px 0;color:var(--text-600);
}
.article-body img{border-radius:16px;margin:26px 0;box-shadow:var(--shadow-sm)}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-500)}
.article-body code{
  background:#F1EFFA;border:1px solid var(--line);border-radius:8px;
  padding:2px 6px;font-size:.92em;
}
.article-body pre{
  background:var(--ink-900);color:var(--light-100);padding:18px 20px;
  border-radius:16px;overflow:auto;margin:24px 0;line-height:1.7;font-size:14.5px;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.article-body th{background:#F1EFFA;text-align:left;padding:14px 16px;font-weight:700}
.article-body td{padding:14px 16px;border-top:1px solid var(--line)}
.article-body tr:nth-child(even) td{background:#FAF9FF}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body strong{font-weight:700}

.article-foot{max-width:760px;margin:44px auto 0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--tint);color:var(--brand-600);font-size:13px;font-weight:600;
}
.hr-line{height:1px;background:var(--line);margin:26px 0}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand-600);font-size:15px;font-weight:600}
.back-link:hover{color:var(--brand-500);gap:12px}
.back-link svg{width:16px;height:16px}

.empty-state{
  max-width:760px;margin:0 auto;min-height:200px;padding:40px 32px;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;
}
.empty-state strong{font-size:20px;font-weight:800}
.empty-state p{margin:0;color:var(--text-600);font-size:15px;max-width:440px}

/* ---------- 相关推荐 ---------- */
.reco{max-width:960px;margin:72px auto 0}
.reco-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}
.reco-head h2{font-size:26px;font-weight:800;margin:0}
.reco-head a{font-size:14px;color:var(--brand-600);font-weight:600}
.reco-list{border-top:1px solid var(--line)}
.reco-item{
  display:flex;align-items:center;gap:18px;padding:18px 12px;
  border-bottom:1px solid var(--line);transition:background .18s var(--ease);
}
.reco-item:hover{background:#FAF9FF}
.reco-thumb{width:120px;height:80px;border-radius:12px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
.reco-body{min-width:0}
.reco-body h3{
  font-size:17px;font-weight:700;margin:0 0 6px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.reco-body p{
  margin:0;font-size:14px;line-height:1.7;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.reco-side{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0;font-size:13px;color:var(--text-400)}
.reco-side .tag{height:26px;font-size:12px;padding:0 12px}
.reco-arrow{width:18px;height:18px;color:var(--text-400);transition:transform .18s var(--ease),color .18s var(--ease)}
.reco-item:hover .reco-arrow{transform:translateX(4px);color:var(--brand-600)}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;max-width:960px;margin:64px auto 0;
  padding:40px 44px;border-radius:var(--radius-hero);color:var(--light-100);
  background:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;top:-40%;right:-6%;width:260px;height:180%;
  background:linear-gradient(90deg,rgba(109,74,255,0),rgba(109,74,255,.5),rgba(255,138,61,.22));
  transform:skewX(-24deg);pointer-events:none;
}
.cta-band h2{position:relative;font-size:26px;font-weight:800;margin:0 0 10px;line-height:1.35;color:#FFFFFF}
.cta-band p{position:relative;margin:0;font-size:15px;color:var(--light-200);max-width:520px}
.cta-band .btn{position:relative;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--light-200);padding:64px 0 28px;margin-top:88px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{margin:0;font-size:14px;line-height:1.9;color:#8B87A3;max-width:330px}
.foot-col h4{font-size:14px;font-weight:700;color:var(--light-100);margin:0 0 14px}
.foot-col a{display:block;font-size:14px;color:var(--light-200);padding:5px 0}
.foot-col a:hover{color:var(--brand-500)}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8B87A3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .cmd-search{min-width:200px}
  .nav-link{padding:8px 10px;font-size:14px}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:64px;display:none;flex-direction:column;
    align-items:stretch;gap:4px;margin:0;padding:18px 20px 26px;
    background:var(--ink-900);border-bottom:1px solid rgba(255,255,255,.08);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.8);
  }
  .nav-links.open{display:flex}
  .nav-link{padding:12px 10px;font-size:15.5px;border-radius:10px}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(109,74,255,.16);color:#FFFFFF}
  .cmd-search,.nav-text-link{display:none}
  .burger{display:inline-flex}
  .nav-inner{gap:12px;padding:0 18px}
  .article-hero h1{font-size:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .logo-text b{font-size:13.5px}
  .logo-text span{display:none}
  .article-hero{padding:30px 0 34px}
  .article-hero h1{font-size:29px;margin:14px 0 16px}
  .breadcrumb .current{max-width:180px}
  .article-main{padding:32px 0 56px}
  .article-cover{margin-bottom:32px;border-radius:16px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .reco{margin-top:52px}
  .reco-item{align-items:flex-start;gap:14px;padding:16px 8px}
  .reco-thumb{width:92px;height:64px}
  .reco-side{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0D0B18;
  --ink-800:#17122B;
  --brand-600:#6D4AFF;
  --brand-500:#8A6BFF;
  --accent-500:#FF8A3D;
  --mint-500:#22D3A7;
  --paper:#F6F5FB;
  --surface:#FFFFFF;
  --line:#E6E3F5;
  --text-900:#1A1730;
  --text-600:#5A5670;
  --text-400:#8B87A3;
  --dark-text:#F4F2FF;
  --dark-text-2:#B9B4D6;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-band:26px;
  --shadow-low:0 1px 2px rgba(13,11,24,.06);
  --shadow-mid:0 12px 32px -12px rgba(13,11,24,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text-900);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;}
p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-paper{background:var(--paper);}
.bg-lilac{background:#F1EFFA;}
.bg-ink{background:var(--ink-900);color:var(--dark-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand-600);border-radius:2px;}
.h2{font-size:32px;font-weight:800;letter-spacing:0;}
.h3{font-size:20px;font-weight:700;}
.lead{color:var(--text-600);font-size:16.5px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease, background-color .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-primary{
  background:var(--brand-600);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), 0 8px 20px -10px rgba(109,74,255,.7);
}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  border:1px solid var(--line);background:transparent;color:var(--text-900);
}
.btn-outline:hover{background:#EFEBFF;border-color:#CFC5FF;}
.btn-ghost-dark{
  border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06);
}
.btn-ghost-dark:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.45);}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent-500);outline-offset:2px;
}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:#EFEBFF;color:var(--brand-600);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.badge-soft{background:rgba(255,255,255,.12);color:var(--dark-text-2);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.18);display:inline-block;flex:none;}
.dot-accent{background:var(--accent-500);box-shadow:0 0 0 4px rgba(255,138,61,.18);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,11,24,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1320px;margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(109,74,255,.9);
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{display:flex;flex-direction:column;line-height:1.16;}
.logo-text b{color:#fff;font-size:15.5px;font-weight:800;letter-spacing:0;}
.logo-text span{color:var(--dark-text-2);font-size:11.5px;font-weight:500;letter-spacing:.03em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:20px 12px;
  color:var(--dark-text-2);font-size:14.5px;font-weight:600;
  transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:12px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-link.active::after{transform:scaleX(1);background:var(--accent-500);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:288px;height:40px;padding:0 10px 0 12px;
  border-radius:999px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  transition:border-color .18s ease, background-color .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand-500);background:rgba(255,255,255,.1);}
.cmd-search svg{width:16px;height:16px;color:var(--dark-text-2);flex:none;}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;color:#fff;
  font-size:13.5px;outline:none;
}
.cmd-search input::placeholder{color:#8E89AC;}
.kbd{
  flex:none;font-size:11px;font-weight:700;color:var(--dark-text-2);
  border:1px solid rgba(255,255,255,.18);border-radius:6px;
  padding:2px 6px;letter-spacing:.04em;
}
.nav-text-link{color:var(--dark-text-2);font-size:14px;font-weight:600;transition:color .16s ease;}
.nav-text-link:hover{color:#fff;}
.burger{
  display:none;width:40px;height:40px;border-radius:11px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  position:relative;cursor:pointer;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:#fff;border-radius:2px;
  transform:translateX(-50%);transition:transform .2s ease, opacity .2s ease;
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{content:"";top:-5px;left:0;transform:none;}
.burger span::after{content:"";top:5px;left:0;transform:none;}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{transform:rotate(45deg);top:0;}
.burger.is-open span::after{transform:rotate(-45deg);top:0;}
.mobile-drawer{
  display:none;background:var(--ink-900);border-bottom:1px solid rgba(255,255,255,.08);
  padding:20px 20px 26px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .cmd-search{width:100%;margin-bottom:16px;}
.mobile-drawer nav{display:flex;flex-direction:column;}
.mobile-drawer nav a{
  color:var(--dark-text-2);font-size:15.5px;font-weight:600;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-drawer nav a.active{color:#fff;}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;color:var(--text-400);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 0;
}
.breadcrumb a{color:var(--text-400);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:#C9C5DC;}
.breadcrumb .current{color:var(--text-900);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  background-image:linear-gradient(120deg, rgba(13,11,24,.94) 0%, rgba(13,11,24,.86) 45%, rgba(23,18,43,.9) 100%), url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:var(--dark-text);
  border-radius:0 0 var(--radius-band) var(--radius-band);
}
.page-hero::after{
  content:"";position:absolute;top:-90px;right:-60px;width:420px;height:280px;
  background:linear-gradient(100deg, rgba(109,74,255,.55), rgba(255,138,61,.18));
  transform:rotate(-14deg);filter:blur(6px);opacity:.55;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:52px 0 68px;max-width:820px;}
.page-hero h1{
  font-size:46px;font-weight:800;letter-spacing:0;color:#fff;
  margin:18px 0 20px;line-height:1.2;
}
.page-hero p{color:var(--dark-text-2);font-size:17px;line-height:1.85;}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;
  font-size:13.5px;color:var(--dark-text-2);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- 速览条 ---------- */
.flow-overview{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  padding:22px 24px;border-radius:var(--radius-card);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-low);margin-top:-34px;position:relative;z-index:5;
}
.flow-overview .ov-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 18px;border-radius:999px;
  background:#EFEBFF;color:var(--brand-600);
  font-size:14px;font-weight:700;
}
.flow-overview .ov-num{
  font-size:12px;font-weight:800;color:#fff;background:var(--brand-600);
  width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
}
.ov-arrow{color:#C9C5DC;font-size:16px;font-weight:700;}
.flow-overview .ov-note{margin-left:auto;font-size:13.5px;color:var(--text-400);}

/* ---------- 流程步骤 ---------- */
.steps{margin-top:8px;}
.step{
  display:grid;grid-template-columns:170px 1fr;gap:36px;
  position:relative;padding-bottom:52px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  font-size:96px;font-weight:800;line-height:.9;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1.6px rgba(109,74,255,.45);
  font-variant-numeric:tabular-nums;user-select:none;
}
.step-rail{position:relative;display:flex;flex-direction:column;align-items:flex-start;}
.step-rail::after{
  content:"";position:absolute;left:26px;top:104px;bottom:-52px;width:1px;
  background:var(--line);
}
.step:last-child .step-rail::after{display:none;}
.step-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 32px;box-shadow:var(--shadow-low);
  transition:border-color .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out;
}
.step-body:hover{border-color:rgba(138,107,255,.4);box-shadow:var(--shadow-mid);transform:translateY(-2px);}
.step-body h3{font-size:21px;font-weight:700;margin-bottom:10px;}
.step-body p{color:var(--text-600);font-size:16px;line-height:1.85;}
.step-tips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.step-tips .tag{
  font-size:12.5px;font-weight:700;color:var(--brand-600);
  background:#F4F1FF;border:1px solid #E2DAFF;border-radius:999px;padding:5px 12px;
}
.step-media{
  margin-top:20px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/7;background:var(--paper);
}
.step-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 准备清单 ---------- */
.prep-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start;}
.prep-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 32px;box-shadow:var(--shadow-low);
}
.prep-list{margin-top:6px;}
.prep-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.prep-item:last-child{border-bottom:0;}
.prep-idx{
  flex:none;width:26px;height:26px;border-radius:8px;background:#EFEBFF;color:var(--brand-600);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.prep-item b{display:block;font-size:15.5px;font-weight:700;margin-bottom:2px;}
.prep-item span{color:var(--text-600);font-size:14.5px;line-height:1.75;}
.prep-note{
  border-radius:var(--radius-card);padding:26px 28px;
  background:#FFF3EA;border:1px solid rgba(255,138,61,.55);
}
.prep-note h3{font-size:18px;font-weight:700;color:#8A4200;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.prep-note p{color:#8A5B33;font-size:15px;line-height:1.85;}
.prep-note ul{margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.prep-note li{color:#8A5B33;font-size:14.5px;padding-left:16px;position:relative;line-height:1.75;}
.prep-note li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent-500);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--text-900);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.q-mark{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:#EFEBFF;color:var(--brand-600);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.q-arrow{margin-left:auto;color:var(--text-400);font-size:15px;transition:transform .2s ease;}
.faq-item[open] .q-arrow{transform:rotate(180deg);}
.faq-answer{padding:0 4px 24px 44px;}
.faq-answer p{color:var(--text-600);font-size:15.5px;line-height:1.9;}

/* ---------- 相关阅读 ---------- */
.rel-list{border-top:1px solid var(--line);margin-top:8px;}
.rel-row{
  display:flex;align-items:center;gap:20px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.rel-row:hover{background:#FAF9FF;}
.rel-thumb{
  flex:none;width:120px;height:80px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--paper);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-main{min-width:0;flex:1;}
.rel-main h3{
  font-size:17px;font-weight:700;margin-bottom:6px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.rel-main p{
  color:var(--text-600);font-size:14.5px;line-height:1.75;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.rel-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:none;}
.rel-side .time{font-size:13px;color:var(--text-400);}
.rel-arrow{color:var(--brand-600);font-size:18px;font-weight:700;flex:none;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;
  border-radius:var(--radius-band);
  padding:52px 56px;
  display:flex;align-items:center;gap:36px;justify-content:space-between;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:22px 22px;
}
.cta-band::after{
  content:"";position:absolute;top:-70px;right:-40px;width:320px;height:190px;
  background:linear-gradient(100deg, rgba(109,74,255,.6), rgba(255,138,61,.22));
  transform:rotate(-16deg);filter:blur(4px);opacity:.6;pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:12px;}
.cta-band p{color:var(--dark-text-2);font-size:16px;}
.cta-band .cta-action{position:relative;z-index:2;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--dark-text-2);padding:64px 0 32px;margin-top:88px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .logo{margin-bottom:18px;}
.foot-brand p{font-size:14.5px;line-height:1.85;color:var(--dark-text-2);max-width:340px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-col a{display:block;font-size:14.5px;padding:6px 0;color:var(--dark-text-2);transition:color .16s ease;}
.foot-col a:hover{color:var(--brand-500);}
.foot-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:#8E89AC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{width:220px;}
  .nav-text-link{display:none;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .burger{display:block;}
  .nav-inner{padding:0 20px;gap:16px;}
  .container{padding:0 24px;}
  .page-hero h1{font-size:38px;}
  .prep-layout{grid-template-columns:1fr;gap:24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .page-hero h1{font-size:32px;margin:14px 0 16px;}
  .page-hero-inner{padding:36px 0 56px;}
  .h2{font-size:26px;}
  .flow-overview{padding:18px;gap:10px;}
  .flow-overview .ov-note{margin-left:0;width:100%;}
  .step{grid-template-columns:1fr;gap:14px;padding-bottom:38px;}
  .step-num{font-size:64px;}
  .step-rail::after{display:none;}
  .step-body{padding:24px 22px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:24px;}
  .cta-band h2{font-size:24px;}
  .cta-band .cta-action{width:100%;}
  .cta-band .cta-action .btn{width:100%;}
  .rel-row{flex-wrap:wrap;gap:14px;}
  .rel-thumb{width:92px;height:64px;}
  .rel-side{flex-direction:row;align-items:center;width:100%;justify-content:space-between;}
  .rel-arrow{display:none;}
  .faq-answer{padding-left:4px;}
}
@media (max-width:520px){
  .nav-inner{height:60px;padding:0 16px;}
  .logo-text b{font-size:14px;}
  .logo-text span{display:none;}
  .cmd-search{display:none;}
  .mobile-drawer{padding:16px 16px 22px;}
  .page-hero h1{font-size:27px;}
  .hero-meta{gap:14px;font-size:13px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  .flow-overview .ov-chip{padding:8px 14px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0D0B18;
  --ink-800:#17122B;
  --brand-600:#6D4AFF;
  --brand-500:#8A6BFF;
  --accent-500:#FF8A3D;
  --mint-500:#22D3A7;
  --paper:#F6F5FB;
  --surface:#FFFFFF;
  --line:#E6E3F5;
  --text-900:#1A1730;
  --text-600:#5A5670;
  --text-400:#8B87A3;
  --dark-text:#F4F2FF;
  --dark-muted:#B9B4D6;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-low:0 1px 2px rgba(13,11,24,.06);
  --shadow-mid:0 12px 32px -12px rgba(13,11,24,.18);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.page-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text-900);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--text-900);}
p{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--space-section) 0;}
.section-tight{padding:72px 0;}
.bg-paper{background:var(--paper);}
.bg-soft{background:#F1EFFA;}
.bg-ink{background:var(--ink-900);}

/* 面包屑 */
.crumb{background:var(--paper);border-bottom:1px solid var(--line);}
.crumb-inner{max-width:1200px;margin:0 auto;padding:14px 32px;font-size:13px;color:var(--text-400);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-400);transition:color .16s;}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#CFCBE2;}
.crumb .current{color:var(--text-900);font-weight:600;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(13,11,24,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-600),var(--brand-500));display:grid;place-items:center;box-shadow:0 6px 16px -8px rgba(109,74,255,.9);}
.logo-mark svg{width:18px;height:18px;}
.logo-text b{display:block;font-size:15px;font-weight:800;color:var(--dark-text);letter-spacing:.01em;line-height:1.3;}
.logo-text span{display:block;font-size:11px;color:var(--dark-muted);line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;padding:9px 12px;font-size:14px;color:#C9C4E4;border-radius:8px;transition:color .16s ease-out;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left center;transition:transform .16s ease-out;}
.nav-link:hover{color:#fff;}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 10px 0 12px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:border-color .16s,background .16s;}
.cmd-search:focus-within{border-color:var(--brand-500);background:rgba(255,255,255,.1);}
.cmd-search svg{width:16px;height:16px;color:var(--dark-muted);flex-shrink:0;}
.cmd-search input{background:transparent;border:0;outline:none;color:var(--dark-text);font-size:13px;width:168px;}
.cmd-search input::placeholder{color:#8B87A3;}
.kbd{font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;border:1px solid rgba(255,255,255,.16);color:var(--dark-muted);white-space:nowrap;}
.nav-text-link{font-size:13px;color:#C9C4E4;transition:color .16s;}
.nav-text-link:hover{color:#fff;}
.cmd-search-mobile{display:none;}
.drawer-cta{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease-out,transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;white-space:nowrap;}
.btn:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.btn-md{height:46px;padding:0 22px;font-size:15px;}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 8px 20px -10px rgba(109,74,255,.95);}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--text-900);}
.btn-outline:hover{background:#F4F1FF;border-color:#CFC7F5;transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:var(--dark-text);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px);}

/* 汉堡按钮与移动抽屉 */
.burger{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);position:relative;cursor:pointer;flex-shrink:0;}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;width:16px;height:2px;border-radius:2px;background:#F4F2FF;transform:translateX(-50%);transition:transform .2s ease-out,opacity .2s;}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{content:"";left:0;top:-6px;transform:none;}
.burger span::after{content:"";left:0;top:6px;transform:none;}

/* 页头 */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F1EFFA 0%,#F6F5FB 100%);border-bottom:1px solid var(--line);}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(109,74,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(109,74,255,.055) 1px,transparent 1px);background-size:46px 46px;pointer-events:none;}
.page-hero::after{content:"";position:absolute;top:-120px;right:-60px;width:420px;height:300px;background:linear-gradient(120deg,rgba(109,74,255,.28),rgba(255,138,61,.16));transform:rotate(-20deg);filter:blur(4px);pointer-events:none;}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:76px 0 72px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-600);background:#EFEBFF;border-radius:var(--radius-pill);padding:6px 14px;font-weight:600;}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600);box-shadow:0 0 0 4px rgba(109,74,255,.16);}
.page-hero h1{font-size:50px;font-weight:800;line-height:1.2;letter-spacing:0;margin:22px 0 20px;}
.page-hero h1 em{font-style:normal;color:var(--brand-600);}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--text-600);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;}
.hero-fact{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-600);}
.hero-fact .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.18);}

.device-card-hero{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-mid);padding:24px;position:relative;}
.device-card-hero h2{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text-900);}
.device-card-hero .sub{font-size:12.5px;color:var(--text-400);margin-top:6px;}
.switch-visual{display:flex;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-pill);padding:4px;margin:18px 0 6px;}
.switch-visual span{flex:1;text-align:center;font-size:12.5px;padding:7px 0;border-radius:var(--radius-pill);color:var(--text-400);}
.switch-visual span.on{background:var(--surface);color:var(--brand-600);font-weight:700;box-shadow:var(--shadow-low);}
.entry-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-900);}
.entry-row:last-of-type{border-bottom:0;}
.entry-row .name{font-weight:600;}
.entry-row .state{margin-left:auto;font-size:12.5px;color:var(--text-400);display:flex;align-items:center;gap:6px;}
.entry-row .state i{width:6px;height:6px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.16);}
.entry-row .arrow{color:var(--brand-600);font-size:14px;}
.hero-note{margin-top:16px;font-size:12.5px;color:var(--text-400);background:var(--paper);border:1px dashed var(--line);border-radius:12px;padding:12px 14px;line-height:1.7;}

/* 板块标题 */
.sec-head{max-width:760px;}
.sec-num{font-size:44px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(109,74,255,.42);letter-spacing:.02em;display:block;margin-bottom:14px;}
.sec-head h2{font-size:32px;font-weight:800;margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--text-600);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* 双端对照 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px;}
.device-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-low);transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;}
.device-card:hover{border-color:rgba(109,74,255,.32);box-shadow:var(--shadow-mid);transform:translateY(-2px);}
.device-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line);margin-bottom:20px;}
.device-card h3{font-size:21px;font-weight:700;display:flex;align-items:center;gap:10px;}
.device-card h3 .tag{font-size:12px;font-weight:600;color:var(--brand-600);background:#EFEBFF;border-radius:var(--radius-pill);padding:4px 11px;}
.device-card h3 .tag.alt{color:#B4560E;background:#FFF3EA;}
.device-card .card-sub{font-size:14.5px;color:var(--text-600);margin:12px 0 18px;}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:13px;}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--text-600);}
.check-list .tick{flex:0 0 22px;height:22px;border-radius:50%;background:#EFEBFF;color:var(--brand-600);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:4px;}
.check-list .tick.warm{background:#FFF3EA;color:#B4560E;}

/* 对比表 */
.table-wrap{margin-top:40px;overflow:hidden;border-radius:16px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-low);}
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;}
.cmp-table th{background:#F1EFFA;color:var(--text-900);font-size:14px;font-weight:700;text-align:left;padding:16px;}
.cmp-table td{padding:16px;font-size:14.5px;color:var(--text-600);line-height:1.8;border-top:1px solid var(--line);}
.cmp-table tbody tr:nth-child(even){background:#FAF9FF;}
.cmp-table td:first-child{color:var(--text-900);font-weight:700;}

/* 切换注意点 */
.switch-notes{margin-top:36px;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.switch-notes .side p{font-size:15px;color:var(--text-600);margin-top:16px;}
.note-row{display:flex;gap:22px;padding:26px 0;border-top:1px solid var(--line);}
.note-row:first-child{border-top:0;padding-top:6px;}
.note-row .num{font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(109,74,255,.4);line-height:1;min-width:66px;}
.note-row h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.note-row p{font-size:15px;color:var(--text-600);}

/* 相关阅读 */
.related-list{display:grid;gap:14px;margin-top:36px;}
.link-row{display:flex;align-items:center;gap:20px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:16px;transition:background .18s ease-out,border-color .18s ease-out,transform .18s ease-out;}
.link-row:hover{background:#FAF9FF;border-color:rgba(109,74,255,.3);transform:translateY(-2px);}
.link-row img{width:112px;height:74px;object-fit:cover;border-radius:12px;border:1px solid var(--line);flex-shrink:0;}
.link-row .row-body{min-width:0;}
.link-row h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.link-row p{font-size:14px;color:var(--text-600);}
.link-row .row-tag{margin-left:auto;font-size:12px;font-weight:600;color:var(--brand-600);background:#EFEBFF;border-radius:var(--radius-pill);padding:5px 12px;white-space:nowrap;}

/* FAQ */
.faq{max-width:820px;margin:40px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:22px 0;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--text-900);cursor:pointer;}
.faq-q:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
.faq-q .q-mark{color:var(--brand-600);font-weight:800;font-size:15px;flex-shrink:0;}
.faq-q .chev{margin-left:auto;color:var(--text-400);transition:transform .2s ease-out;flex-shrink:0;}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out;}
.faq-a p{margin:0 0 22px 29px;font-size:15.5px;line-height:1.9;color:var(--text-600);}

/* CTA */
.cta-banner{position:relative;overflow:hidden;background:var(--ink-900);border-radius:26px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-banner::after{content:"";position:absolute;top:-70px;right:-50px;width:340px;height:230px;background:linear-gradient(120deg,rgba(109,74,255,.6),rgba(255,138,61,.35));transform:rotate(-18deg);filter:blur(8px);opacity:.6;pointer-events:none;}
.cta-banner .cta-text{position:relative;z-index:1;max-width:640px;}
.cta-banner h2{color:var(--dark-text);font-size:28px;font-weight:800;margin-bottom:12px;}
.cta-banner p{color:var(--dark-muted);font-size:15px;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink-900);padding:72px 0 28px;margin-top:0;}
.site-footer .logo-text b{color:var(--dark-text);}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.foot-brand p{font-size:14px;line-height:1.95;color:var(--dark-muted);margin-top:18px;max-width:340px;}
.foot-col h4{font-size:14px;color:var(--dark-text);margin-bottom:14px;font-weight:700;}
.foot-col a{display:block;font-size:14px;color:var(--dark-muted);padding:6px 0;transition:color .16s;}
.foot-col a:hover{color:var(--brand-500);}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8B87A3;}

/* 响应式 */
@media (max-width:1280px){
  .page-hero h1{font-size:46px;}
}
@media (max-width:1023px){
  .nav-links{position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--ink-900);flex-direction:column;align-items:stretch;gap:4px;padding:22px 24px 32px;margin:0;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out;}
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{font-size:16px;padding:15px 10px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0;}
  .nav-link::after{left:10px;right:10px;bottom:6px;}
  .cmd-search{display:none;}
  .nav-text-link{display:none;}
  .burger{display:block;}
  .cmd-search-mobile{display:flex;margin-bottom:14px;width:100%;}
  .cmd-search-mobile input{width:100%;}
  .drawer-cta{display:inline-flex;margin-top:18px;width:100%;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 56px;}
  .page-hero h1{font-size:38px;}
  .compare-grid{grid-template-columns:1fr;}
  .switch-notes{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .crumb-inner{padding:12px 20px;}
  .nav-inner{padding:0 20px;gap:12px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero h1{font-size:31px;}
  .hero-lead{font-size:15.5px;}
  .sec-head h2{font-size:24px;}
  .sec-num{font-size:34px;}
  .device-card{padding:20px;}
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tr{border-bottom:1px solid var(--line);padding:6px 0;}
  .cmp-table tr:last-child{border-bottom:0;}
  .cmp-table td{border-top:0;padding:8px 16px;}
  .cmp-table td::before{content:attr(data-label);display:block;font-size:12px;color:var(--text-400);margin-bottom:2px;}
  .note-row{gap:16px;}
  .note-row .num{font-size:26px;min-width:48px;}
  .link-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .link-row img{width:100%;height:150px;}
  .link-row .row-tag{margin-left:0;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-banner h2{font-size:22px;}
  .faq-q{font-size:16px;}
  .faq-a p{margin-left:0;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .logo-text span{display:none;}
  .logo-text b{font-size:13.5px;}
  .btn-sm{padding:0 12px;font-size:12.5px;}
  .page-hero h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0D0B18;
  --ink-800:#17122B;
  --brand-600:#6D4AFF;
  --brand-500:#8A6BFF;
  --brand-soft:#EFEBFF;
  --accent-500:#FF8A3D;
  --accent-soft:#FFF3EA;
  --mint-500:#22D3A7;
  --paper:#F6F5FB;
  --surface:#FFFFFF;
  --line:#E6E3F5;
  --text-900:#1A1730;
  --text-600:#5A5670;
  --text-400:#8B87A3;
  --r-card:18px;
  --r-btn:12px;
  --r-banner:26px;
  --shadow-sm:0 1px 2px rgba(13,11,24,.06);
  --shadow-md:0 12px 32px -12px rgba(13,11,24,.18);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text-900);
  background:var(--surface);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.section--paper{background:var(--paper)}
.section--soft{background:#F1EFFA}
.section--white{background:var(--surface)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,11,24,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,#6D4AFF,#8A6BFF);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -10px rgba(109,74,255,.95);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{color:#F4F2FF;font-size:14px;font-weight:800;letter-spacing:0;white-space:nowrap}
.logo-text span{color:#B9B4D6;font-size:11px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 11px;font-size:14px;color:#B9B4D6;
  border-radius:8px;white-space:nowrap;transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:-2px;height:2px;
  background:var(--brand-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease;
}
.nav-link:hover{color:#F4F2FF}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#F4F2FF}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 10px;
  border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  transition:border-color .16s ease,background .16s ease;
}
.cmd-search:focus-within{border-color:var(--brand-600);background:rgba(109,74,255,.14)}
.cmd-search svg{width:16px;height:16px;color:#B9B4D6;flex-shrink:0}
.cmd-search input{
  width:176px;background:transparent;border:0;outline:none;
  color:#F4F2FF;font-size:13px;font-family:inherit;
}
.cmd-search input::placeholder{color:#8B87A3}
.kbd{
  font-size:11px;color:#B9B4D6;border:1px solid rgba(255,255,255,.16);
  border-radius:6px;padding:1px 6px;white-space:nowrap;
}
.nav-text-link{font-size:14px;color:#B9B4D6;padding:8px 2px;transition:color .16s ease;white-space:nowrap}
.nav-text-link:hover{color:#F4F2FF}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{
  background:var(--brand-600);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 10px 24px -14px rgba(109,74,255,.9);
}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--brand-600)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text-900)}
.btn-outline:hover{background:#F1EFFA;border-color:var(--brand-500);color:var(--brand-600)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;position:relative;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  cursor:pointer;padding:0;
}
.burger span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:#F4F2FF;transform:translate(-50%,-50%);border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#F4F2FF;border-radius:2px;transition:transform .2s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer-cta{display:none}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#F4F2FF}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,11,24,.97) 0%,rgba(13,11,24,.88) 46%,rgba(109,74,255,.5) 100%);
}
.page-hero::after{
  content:"";position:absolute;top:-140px;right:-90px;width:540px;height:460px;
  background:linear-gradient(135deg,rgba(109,74,255,.5),rgba(255,138,61,.1));
  transform:skewX(-18deg);filter:blur(10px);pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 76px;max-width:840px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8B87A3;margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:#B9B4D6;transition:color .16s ease}
.breadcrumb a:hover{color:#F4F2FF}
.breadcrumb .current{color:#F4F2FF}
.breadcrumb .sep{opacity:.5}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(109,74,255,.28);
  border:1px solid rgba(138,107,255,.5);
  color:#D9CFFF;font-size:13px;font-weight:700;margin-bottom:20px;
}
.cat-chip i{width:6px;height:6px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.18);display:block}
.page-hero h1{
  font-size:clamp(30px,4vw,54px);font-weight:800;line-height:1.18;letter-spacing:0;
  color:#F4F2FF;
}
.page-hero h1 em{font-style:normal;color:#C3B4FF}
.hero-sub{
  margin-top:22px;font-size:17px;line-height:1.9;color:#B9B4D6;max-width:680px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:#B9B4D6}
.trust-item svg{width:16px;height:16px;color:var(--mint-500);flex-shrink:0}

/* ============ 通用板块头部 ============ */
.sec-head{max-width:720px;margin-bottom:44px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-600);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.sec-head h2{font-size:clamp(24px,2.6vw,33px);font-weight:800;color:var(--text-900)}
.sec-head p{margin-top:16px;font-size:16px;color:var(--text-600);line-height:1.9}
.sec-head--light h2{color:#F4F2FF}
.sec-head--light p{color:#B9B4D6}

/* ============ 快速筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:18px;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-sm);margin-bottom:28px;
}
.filter-label{font-size:13px;font-weight:700;color:var(--text-400);margin-right:6px;letter-spacing:.04em}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-600);font-size:14px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-600)}
.pill.is-active{background:var(--brand-soft);border-color:#C9BCFF;color:var(--brand-600);font-weight:700}
.pill i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55;display:block}
.pill.is-active i{opacity:1;background:var(--brand-600)}

/* ============ 对照表 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.q-table{width:100%;border-collapse:collapse}
.q-table thead th{
  background:#F1EFFA;text-align:left;padding:16px;
  font-size:13px;font-weight:700;color:var(--text-900);letter-spacing:.06em;
}
.q-table thead th:nth-child(1){width:29%}
.q-table thead th:nth-child(2){width:31%}
.q-table thead th:nth-child(3){width:40%}
.q-table td{
  padding:22px 16px;border-top:1px solid var(--line);
  vertical-align:top;font-size:15px;line-height:1.85;color:var(--text-600);
}
.q-table tbody tr:nth-child(even){background:#FAF9FF}
.q-table tbody tr{transition:background .18s ease}
.q-table tbody tr:hover{background:#F4F1FF}
.q-index{
  display:block;font-size:12px;font-weight:800;letter-spacing:.14em;
  color:var(--accent-500);font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.q-title{font-size:17px;font-weight:700;color:var(--text-900);line-height:1.55}
.q-sub{margin-top:8px;font-size:14px;color:var(--text-400);line-height:1.7}
.cause-list li{position:relative;padding-left:16px;margin-bottom:8px;font-size:14.5px;line-height:1.8}
.cause-list li:last-child{margin-bottom:0}
.cause-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:#C9BCFF;
}
.fix-text{font-size:15px;color:var(--text-600)}
.toggle-btn{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--brand-600);
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.toggle-btn:hover{border-color:var(--brand-500);background:var(--brand-soft)}
.toggle-btn::after{content:"▾";font-size:11px;transition:transform .2s ease}
.toggle-btn[aria-expanded="true"]::after{transform:rotate(180deg)}
.expand{max-height:0;overflow:hidden;opacity:0;transition:max-height .28s ease,opacity .2s ease,margin .2s ease}
.expand.open{opacity:1;margin-top:14px}
.step-list{counter-reset:s}
.step-list li{
  position:relative;padding-left:30px;margin-bottom:10px;
  font-size:14.5px;color:var(--text-600);line-height:1.8;
}
.step-list li:last-child{margin-bottom:0}
.step-list li::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-size:11px;font-weight:800;color:var(--brand-600);
  background:var(--brand-soft);border-radius:6px;
  padding:2px 6px;letter-spacing:.04em;font-variant-numeric:tabular-nums;
}

/* ============ 排查顺序 ============ */
.step-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.timeline{position:relative;padding-left:0}
.tl-item{position:relative;padding-left:88px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:32px;top:44px;bottom:-6px;width:1px;
  background:var(--line);
}
.tl-item:last-child::before{display:none}
.tl-num{
  position:absolute;left:0;top:-6px;
  font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px #C9BCFF;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.tl-item h3{font-size:20px;font-weight:700;color:var(--text-900)}
.tl-item p{margin-top:10px;font-size:15.5px;color:var(--text-600);line-height:1.85;max-width:560px}
.step-figure{
  margin:0;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff;
}
.step-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.step-figure figcaption{
  padding:14px 18px;font-size:13.5px;color:var(--text-400);
  border-top:1px solid var(--line);background:#fff;
}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(109,74,255,.35)}
.scene-card--wide{grid-column:span 2;display:flex;gap:22px;align-items:flex-start}
.scene-ico{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:var(--brand-soft);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.scene-ico svg{width:20px;height:20px}
.scene-card h3{font-size:18px;font-weight:700;color:var(--text-900)}
.scene-card p{margin-top:10px;font-size:15px;color:var(--text-600);line-height:1.85}
.scene-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-600);
  font-size:12.5px;font-weight:600;
}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(109,74,255,.35);box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:rgba(109,74,255,.45);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--text-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
}
.faq-title{flex:1}
.faq-arrow{
  flex-shrink:0;width:10px;height:10px;border-right:2px solid var(--text-400);
  border-bottom:2px solid var(--text-400);transform:rotate(45deg);
  transition:transform .2s ease;margin-right:4px;
}
.faq-item[open] .faq-arrow{transform:rotate(-135deg)}
.faq-body{padding:0 22px 22px 62px;border-top:1px solid var(--line);margin-top:-1px}
.faq-body p{padding-top:18px;font-size:15.5px;color:var(--text-600);line-height:1.9}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--sec-y)}
.cta-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0D0B18 0%,#1A1235 55%,#2A1C63 100%);
  border-radius:var(--r-banner);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--shadow-md);
}
.cta-banner::after{
  content:"";position:absolute;top:-90px;right:-40px;width:340px;height:280px;
  background:linear-gradient(135deg,rgba(109,74,255,.7),rgba(255,138,61,.18));
  transform:skewX(-20deg);filter:blur(4px);opacity:.55;pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#F4F2FF}
.cta-text p{margin-top:14px;font-size:15.5px;color:#B9B4D6;line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ 相关阅读 ============ */
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.related-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--text-900)}
.related-head a{font-size:14.5px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.related-head a:hover{color:var(--brand-500)}
.link-list{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm)}
.link-row{
  display:flex;align-items:center;gap:20px;padding:22px 24px;
  border-bottom:1px solid var(--line);transition:background .18s ease;
}
.link-row:last-child{border-bottom:0}
.link-row:hover{background:#FAF9FF}
.link-thumb{width:120px;height:80px;border-radius:12px;object-fit:cover;flex-shrink:0}
.link-main{flex:1;min-width:0}
.link-main h3{font-size:17px;font-weight:700;color:var(--text-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-main p{margin-top:6px;font-size:14px;color:var(--text-600);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.link-side{display:flex;align-items:center;gap:12px;flex-shrink:0}
.link-side .arrow{color:var(--text-400);transition:transform .18s ease,color .18s ease}
.link-row:hover .arrow{transform:translateX(3px);color:var(--brand-600)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#B9B4D6;padding:72px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#B9B4D6;max-width:360px}
.foot-col h4{color:#F4F2FF;font-size:14px;font-weight:700;margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:#B9B4D6;padding:6px 0;transition:color .16s ease}
.foot-col a:hover{color:var(--brand-500)}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B87A3;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cmd-search input{width:140px}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  .nav-inner{padding:0 20px;gap:12px}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;bottom:0;z-index:75;
    background:var(--ink-900);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:26px 20px 44px;margin-left:0;
    transform:translateX(-100%);transition:transform .26s ease;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{font-size:16px;padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:10px}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(109,74,255,.16);color:#F4F2FF}
  .drawer-cta{
    display:flex !important;justify-content:center;margin-top:18px;
    background:var(--brand-600);color:#fff !important;font-weight:700;
    border-bottom:0;height:48px;align-items:center;
  }
  .cmd-search,.nav-text-link,.nav-right .btn-primary{display:none}
  .burger{display:block}
  .step-grid{grid-template-columns:1fr;gap:34px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .scene-card--wide{grid-column:span 2}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner{padding:42px 36px;flex-direction:column;align-items:flex-start;gap:28px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  body{font-size:16px}
  .container{padding:0 20px}
  .logo-text b{font-size:13px}
  .logo-text span{display:none}
  .page-hero-inner{padding:44px 0 56px}
  .hero-sub{font-size:15.5px}
  .hero-trust{gap:16px;flex-direction:column;align-items:flex-start}
  .q-table thead{display:none}
  .q-table,.q-table tbody,.q-table tr,.q-table td{display:block;width:100%}
  .table-wrap{background:transparent;border:0;box-shadow:none;border-radius:0}
  .q-table tr{
    background:#fff !important;border:1px solid var(--line);border-radius:18px;
    padding:20px;margin-bottom:16px;box-shadow:var(--shadow-sm);
  }
  .q-table td{padding:14px 0 0;border:0}
  .q-table td:first-child{padding-top:0}
  .q-table td::before{
    content:attr(data-label);display:block;
    font-size:12px;font-weight:800;color:var(--brand-600);
    letter-spacing:.1em;margin-bottom:8px;
  }
  .q-table td:nth-child(2)::before,.q-table td:nth-child(3)::before{margin-top:4px}
  .scene-grid{grid-template-columns:1fr}
  .scene-card--wide{grid-column:span 1;flex-direction:column}
  .link-row{flex-direction:column;align-items:flex-start;gap:14px}
  .link-thumb{width:100%;height:150px}
  .link-main h3{white-space:normal}
  .link-side{width:100%;justify-content:space-between}
  .faq-body{padding:0 18px 20px 18px}
  .cta-banner{padding:34px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .filter-bar{padding:14px}
  .pill{height:34px;padding:0 13px;font-size:13px}
  .tl-item{padding-left:66px}
  .tl-item::before{left:24px}
  .tl-num{font-size:28px}
}

/* roulang page: category4 */
:root{
  --ink-900:#0D0B18;
  --ink-800:#17122B;
  --brand-600:#6D4AFF;
  --brand-500:#8A6BFF;
  --brand-100:#EFEBFF;
  --accent-500:#FF8A3D;
  --accent-100:#FFF3EA;
  --mint-500:#22D3A7;
  --paper:#F6F5FB;
  --soft:#F1EFFA;
  --surface:#FFFFFF;
  --line:#E6E3F5;
  --text-900:#1A1730;
  --text-600:#5A5670;
  --text-400:#8B87A3;
  --ink-text:#F4F2FF;
  --ink-soft:#B9B4D6;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-banner:26px;
  --sh-sm:0 1px 2px rgba(13,11,24,.06);
  --sh-md:0 12px 32px -12px rgba(13,11,24,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.site-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text-900);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:0}
h2{font-size:clamp(23px,2.9vw,32px);font-weight:800;line-height:1.3;color:var(--text-900)}
h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--text-900)}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-paper{background:var(--paper)}
.section-soft{background:var(--soft)}
.section-white{background:var(--surface)}
.section-dark{background:var(--ink-800);color:var(--ink-text);position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.section-dark .container{position:relative;z-index:2}
.section-dark h2{color:var(--ink-text)}
.section-dark .sec-head p{color:var(--ink-soft)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,11,24,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:64px;padding:0 32px;
  display:flex;align-items:center;gap:18px;
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  display:grid;place-items:center;
  box-shadow:0 8px 20px -10px rgba(109,74,255,.95);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:15px;font-weight:800;color:var(--ink-text);white-space:nowrap}
.logo-text span{font-size:11.5px;color:#9E99BE;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 11px;
  font-size:14.5px;font-weight:600;color:var(--ink-soft);text-decoration:none;
  transition:color .16s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  background:var(--brand-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .16s var(--ease);
}
.nav-link:hover{color:var(--ink-text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#FFFFFF}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 8px 0 11px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:11px;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(138,107,255,.75);background:rgba(255,255,255,.09)}
.cmd-search svg{width:15px;height:15px;color:#8B87A3;flex:0 0 auto}
.cmd-search input{
  width:172px;height:100%;border:0;outline:0;background:transparent;
  color:var(--ink-text);font-size:13.5px;
}
.cmd-search input::placeholder{color:#8B87A3}
.kbd{
  font-size:11px;font-weight:700;color:#B9B4D6;padding:3px 7px;border-radius:6px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);white-space:nowrap;
}
.nav-text-link{font-size:14px;font-weight:600;color:var(--ink-soft);text-decoration:none;transition:color .16s}
.nav-text-link:hover{color:#FFFFFF}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:700;text-decoration:none;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--ink-text)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--text-900)}
.btn-outline:hover{background:var(--brand-100);border-color:rgba(109,74,255,.4);transform:translateY(-1px)}
.burger{
  display:none;width:40px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);cursor:pointer;align-items:center;justify-content:center;
}
.burger span{display:block;width:16px;height:2px;background:#F4F2FF;border-radius:2px;box-shadow:0 -5px 0 #F4F2FF,0 5px 0 #F4F2FF}
.burger:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:var(--ink-900);padding:22px 20px 44px;overflow-y:auto;display:none;
}
.drawer.open{display:block}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;margin-bottom:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;
}
.drawer-search svg{width:16px;height:16px;color:#8B87A3}
.drawer-search input{flex:1;border:0;outline:0;background:transparent;color:var(--ink-text);font-size:14.5px}
.drawer-search input::placeholder{color:#8B87A3}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  color:#D6D2EC;text-decoration:none;font-size:16px;font-weight:600;
  padding:14px 2px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.active{color:var(--brand-500)}
.drawer-cta{margin-top:24px;width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--text-400);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-400);text-decoration:none;transition:color .16s}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C9C5DA}
.breadcrumb [aria-current]{color:var(--text-900);font-weight:600}
.breadcrumb-dark{color:#8B87A3;padding-top:26px}
.breadcrumb-dark a{color:#8B87A3}
.breadcrumb-dark a:hover{color:#C9BCFF}
.breadcrumb-dark .sep{color:#565170}
.breadcrumb-dark [aria-current]{color:#F4F2FF}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--ink-text);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:660px;
  background:linear-gradient(160deg,rgba(109,74,255,.45),rgba(138,107,255,0) 70%);
  transform:rotate(18deg);pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-inner{
  display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;
  padding:52px 0 84px;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(109,74,255,.18);border:1px solid rgba(138,107,255,.38);
  color:#CDC1FF;font-size:13px;font-weight:600;
}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block;flex:0 0 auto}
.dot-mint{background:var(--mint-500);box-shadow:0 0 0 4px rgba(34,211,167,.18)}
.dot-accent{background:var(--accent-500);box-shadow:0 0 0 4px rgba(255,138,61,.18)}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.2;
  margin:20px 0 18px;color:#FFFFFF;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:22px}
.trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-soft)}
.trust svg{width:16px;height:16px;color:var(--brand-500)}
.hero-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  border-radius:22px;padding:16px 16px 20px;box-shadow:0 24px 60px -30px rgba(0,0,0,.9);
}
.hero-card-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:15px;margin-bottom:18px}
.hero-card-title{font-size:16px;font-weight:700;color:#FFFFFF;padding:0 6px;margin-bottom:8px}
.hero-status{list-style:none;margin:0;padding:0 6px}
.hero-status li{
  display:flex;align-items:center;gap:10px;padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.08);font-size:14.5px;
}
.hero-status li:last-child{border-bottom:0}
.hs-name{color:#E7E4F7;font-weight:600}
.hs-tag{
  margin-left:auto;font-size:12px;font-weight:700;color:#CDC1FF;
  background:rgba(109,74,255,.2);border-radius:var(--r-pill);padding:3px 10px;
}
.hs-arrow{color:#8B87A3;flex:0 0 auto}
.hs-arrow svg{width:15px;height:15px}
.hero-note{
  margin:12px 6px 0;font-size:13px;line-height:1.75;color:#8B87A3;
  border-top:1px dashed rgba(255,255,255,.14);padding-top:12px;
}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head p{font-size:16px;line-height:1.85;color:var(--text-600);margin-top:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;
  color:var(--brand-600);letter-spacing:.06em;text-transform:uppercase;
}
.eyebrow i{display:block;width:22px;height:2px;background:var(--brand-600);border-radius:2px}
.eyebrow-dark{color:#A99BFF}
.eyebrow-dark i{background:#A99BFF}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(109,74,255,.35);box-shadow:var(--sh-md);transform:translateY(-2px)}
.card img{border-radius:14px;object-fit:cover;width:100%;aspect-ratio:16/10;margin-bottom:18px}
.card p{font-size:15px;line-height:1.8;color:var(--text-600);margin-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600;
}

/* ---------- 核对清单 / 风险提示 ---------- */
.two-col{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-sm);
}
.check-list{list-style:none;margin:0;padding:0}
.check-item{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line)}
.check-item:last-child{border-bottom:0;padding-bottom:2px}
.tick{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;margin-top:3px;
  background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;
}
.tick svg{width:13px;height:13px}
.check-item h3{font-size:16.5px;font-weight:700;margin-bottom:2px}
.check-item p{font-size:14.5px;line-height:1.75;color:var(--text-600)}
.risk-card{
  background:var(--accent-100);border:1px solid var(--accent-500);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);
}
.risk-card h3{font-size:19px;margin-bottom:8px}
.risk-intro{font-size:14.5px;line-height:1.75;color:#8A5A34;margin-bottom:6px}
.risk-list{list-style:none;margin:0;padding:0}
.risk-item{padding:15px 0;border-bottom:1px solid rgba(255,138,61,.3);display:flex;gap:12px}
.risk-item:last-child{border-bottom:0;padding-bottom:0}
.risk-num{
  flex:0 0 auto;font-size:13px;font-weight:800;color:var(--accent-500);
  font-variant-numeric:tabular-nums;padding-top:3px;
}
.risk-item strong{display:block;font-size:15.5px;font-weight:700;color:var(--text-900);margin-bottom:3px}
.risk-item p{font-size:14px;line-height:1.75;color:#7A5B44}

/* ---------- 场景 bento ---------- */
.scene-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.scene-large{grid-row:1 / span 2;display:flex;flex-direction:column}
.scene-large img{aspect-ratio:16/9}
.scene-wide{grid-column:1 / -1;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.scene-wide > div:first-child{flex:1 1 340px}
.scene-wide .chips{margin-top:0}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:44px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:1px;background:rgba(255,255,255,.16);
}
.tl-node{position:relative;padding-top:52px}
.tl-dot{
  position:absolute;top:0;left:0;width:30px;height:30px;border-radius:50%;
  background:var(--ink-900);border:1px solid rgba(138,107,255,.55);
  color:#CDC1FF;display:grid;place-items:center;font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.tl-node h3{color:var(--ink-text);font-size:18px;margin-bottom:6px}
.tl-node p{font-size:14.5px;line-height:1.8;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--text-900);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px}
.faq-q{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--brand-100);
  color:var(--brand-600);font-size:13px;font-weight:800;display:grid;place-items:center;margin-top:3px;
}
.faq-arrow{margin-left:auto;color:var(--text-400);transition:transform .2s var(--ease);flex:0 0 auto}
.faq-arrow svg{width:18px;height:18px}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-answer{padding:0 4px 24px 44px;font-size:15.5px;line-height:1.85;color:var(--text-600)}
.faq-answer p + p{margin-top:10px}

/* ---------- 相关阅读列表 ---------- */
.list-rows{border-top:1px solid var(--line)}
.list-row{
  display:flex;align-items:center;gap:20px;padding:20px 12px;border-bottom:1px solid var(--line);
  text-decoration:none;transition:background .18s var(--ease);
}
.list-row:hover{background:#FAF9FF}
.list-thumb{flex:0 0 120px;width:120px;height:80px;border-radius:12px;object-fit:cover}
.list-body{min-width:0;flex:1}
.list-body h3{font-size:17.5px;margin-bottom:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.list-body p{font-size:14.5px;color:var(--text-600);line-height:1.75;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.list-meta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.list-cat{
  font-size:12.5px;font-weight:700;color:var(--brand-600);background:var(--brand-100);
  border-radius:var(--r-pill);padding:4px 12px;white-space:nowrap;
}
.list-arrow{color:var(--text-400);flex:0 0 auto}
.list-arrow svg{width:18px;height:18px}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--ink-text);
  border-radius:var(--r-banner);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-banner::after{
  content:"";position:absolute;right:-80px;top:-120px;width:360px;height:360px;
  background:linear-gradient(150deg,rgba(109,74,255,.6),rgba(109,74,255,0) 68%);
  transform:rotate(24deg);pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#FFFFFF;font-size:clamp(21px,2.6vw,28px);margin-bottom:12px}
.cta-copy p{font-size:15.5px;line-height:1.85;color:var(--ink-soft)}
.cta-banner .btn{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-soft);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:14.5px;line-height:1.8;color:#9E99BE;max-width:340px}
.foot-col h4{font-size:14px;font-weight:700;color:var(--ink-text);margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:var(--ink-soft);text-decoration:none;padding:6px 0;transition:color .18s var(--ease)}
.foot-col a:hover{color:var(--brand-500)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8B87A3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cmd-search input{width:128px}
}
@media (max-width:1120px){
  .cmd-search{display:none}
}
@media (max-width:1023px){
  .nav-inner{padding:0 20px;gap:12px}
  .nav-links{display:none}
  .nav-text-link{display:none}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:44px 0 64px}
  .two-col{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .scene-large{grid-row:auto}
  .timeline{grid-template-columns:repeat(2,1fr);gap:30px}
  .timeline::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:76px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:30px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .btn{height:44px;padding:0 16px;font-size:14px}
  .btn-sm{height:36px;padding:0 13px;font-size:13px}
  .list-row{flex-wrap:wrap;gap:14px;padding:18px 6px}
  .list-thumb{flex:0 0 100%;width:100%;height:auto;aspect-ratio:16/9}
  .list-meta{width:100%;justify-content:space-between}
  .cta-banner{padding:36px 24px;border-radius:20px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:640px){
  .timeline{grid-template-columns:1fr}
  .tl-node{padding-top:0;padding-left:44px;min-height:30px}
  .tl-dot{top:2px}
  .faq-answer{padding-left:40px}
  .hero-card{padding:14px 14px 18px}
}