/* roulang page: index */
:root{
  --bg:#06090F;
  --surface:#0B121D;
  --surface-2:#101A29;
  --line:rgba(160,190,220,.12);
  --line-strong:rgba(160,190,220,.22);
  --text:#EEF4FB;
  --muted:#93A3B8;
  --primary:#FF6B3D;
  --primary-light:#FF8A63;
  --mint:#2EE6C8;
  --amber:#FFC857;
  --radius-lg:28px;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --sidebar-w:232px;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Barlow","DIN Alternate",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}

/* 布局骨架 */
.shell{padding-left:var(--sidebar-w)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--mint);
  background:rgba(46,230,200,.08);
  border:1px solid rgba(46,230,200,.22);
  padding:5px 12px;border-radius:999px;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mint)}
h1{font-size:clamp(32px,4vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
h3{font-size:22px;font-weight:600;line-height:1.45}
.lead{color:var(--muted);font-size:16.5px;line-height:1.85}

/* 侧边导航 */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#070C14;
  border-right:1px solid var(--line);
  padding:22px 16px 20px;
  display:flex;flex-direction:column;gap:8px;
  z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 20px}
.brand-mark{flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.18em;margin-top:3px}
.nav-group{margin-top:6px}
.nav-label{font-size:11px;letter-spacing:.16em;color:rgba(147,163,184,.65);padding:12px 18px 8px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px 0 18px;border-radius:10px;
  font-size:14.5px;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.nav-link svg{flex:0 0 auto;opacity:.8}
.nav-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.nav-link.is-active{background:rgba(255,255,255,.07);color:#fff;font-weight:600}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--mint);
}
.nav-link.is-active svg{opacity:1;color:var(--mint)}
.sidebar-foot{margin-top:auto;padding-top:16px}
.sidebar-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:12px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  color:#1A0C06;box-shadow:0 8px 22px rgba(255,107,61,.28);
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.sidebar-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,107,61,.4)}
.sidebar-cta:active{transform:translateY(0)}

/* 移动端顶栏与抽屉 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:50;
  align-items:center;justify-content:space-between;padding:0 20px;
  background:rgba(7,12,20,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar .brand{padding:0}
.hamburger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,10,.72);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:60;
  background:#080D16;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s ease;
  padding:20px 18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}
.drawer .nav-link{height:52px;font-size:15.5px;padding-left:16px}
.drawer .nav-link.is-active::before{height:24px}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;height:48px;margin-top:20px;
  border-radius:12px;font-weight:600;color:#1A0C06;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
}

/* 按钮与文字链 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  color:#1A0C06;box-shadow:0 10px 28px rgba(255,107,61,.32);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 34px rgba(255,107,61,.44)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(255,107,61,.3)}
.btn-ghost{border-color:rgba(46,230,200,.5);color:var(--text);background:transparent}
.btn-ghost:hover{background:rgba(46,230,200,.1);border-color:rgba(46,230,200,.75)}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--mint);
  transition:gap .2s ease,color .2s ease;
}
.textlink:hover{gap:10px;color:#6FF4DD}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  background:rgba(255,107,61,.12);color:#FFB59B;border:1px solid rgba(255,107,61,.22);
}
.badge-mint{background:rgba(46,230,200,.12);color:#7BF0DC;border-color:rgba(46,230,200,.24)}
.badge-amber{background:rgba(255,200,87,.14);color:var(--amber);border-color:rgba(255,200,87,.26)}

/* Hero */
.hero{
  position:relative;min-height:76vh;display:flex;align-items:center;overflow:hidden;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,9,15,.97) 0%,rgba(6,9,15,.88) 40%,rgba(6,9,15,.5) 72%,rgba(6,9,15,.82) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(160,190,220,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(160,190,220,.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at 30% 40%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 40%,#000 10%,transparent 72%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:48px;align-items:center;padding-top:76px;padding-bottom:76px;
}
.hero h1{margin:18px 0 20px;max-width:16em}
.hero-sub{color:#C3D0E0;font-size:17.5px;line-height:1.85;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;
  font-size:12.5px;color:rgba(147,163,184,.9);letter-spacing:.02em;
}
.trust-bar li{display:flex;align-items:center;gap:7px}
.trust-bar li::before{content:"";width:4px;height:4px;border-radius:50%;background:rgba(46,230,200,.7)}

.hero-panel{
  background:rgba(12,20,32,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.panel-label{font-size:13px;font-weight:600;letter-spacing:.06em;color:#D6E2F0}
.panel-tag{font-size:11.5px;color:var(--mint);background:rgba(46,230,200,.1);border:1px solid rgba(46,230,200,.22);border-radius:999px;padding:3px 10px}
.panel-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08)}
.panel-metrics div{display:flex;flex-direction:column;gap:2px}
.panel-metrics strong{font-size:23px;font-weight:600;line-height:1.2;letter-spacing:-.01em}
.panel-metrics strong span{font-size:13px;color:var(--primary);margin-left:1px}
.panel-metrics em{font-style:normal;font-size:12px;color:var(--muted)}
.panel-list{margin:18px 0 16px}
.panel-list-head{display:flex;justify-content:space-between;font-size:11.5px;letter-spacing:.08em;color:rgba(147,163,184,.75);margin-bottom:8px}
.panel-list li{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:13.5px;border-bottom:1px dashed rgba(255,255,255,.06)}
.panel-list li:last-child{border-bottom:none}
.panel-list .rank{width:20px;height:20px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;background:rgba(255,255,255,.07);color:var(--muted)}
.panel-list .rank.rank-1{background:rgba(255,107,61,.2);color:#FFB59B}
.panel-list .rank.rank-2{background:rgba(255,200,87,.18);color:var(--amber)}
.panel-list .name{flex:1;color:#DCE7F5}
.panel-list .val{font-size:12.5px;color:var(--mint);font-weight:600}

/* 痛点区 */
.pain-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.pain-sticky{position:sticky;top:48px}
.pain-sticky h2{margin:16px 0 14px}
.pain-item{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--line);transition:border-color .2s ease}
.pain-item:last-child{border-bottom:1px solid var(--line)}
.pain-item:hover{border-top-color:rgba(255,107,61,.4)}
.pain-num{font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--primary);padding-top:5px}
.pain-item h3{font-size:19px;margin-bottom:6px}
.pain-item p{color:var(--muted);font-size:15px;line-height:1.8}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(158px,auto);gap:20px}
.bento-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.bento-item:hover{transform:translateY(-4px);border-color:rgba(255,107,61,.35);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.bento-item h3{font-size:19px;margin-bottom:8px}
.bento-item p{color:var(--muted);font-size:14.5px;line-height:1.75}
.bento-icon{width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:rgba(46,230,200,.1);border:1px solid rgba(46,230,200,.2);color:var(--mint);margin-bottom:16px}
.bento-feature{
  grid-column:span 2;grid-row:span 2;position:relative;overflow:hidden;padding:0;
  display:flex;flex-direction:column;justify-content:flex-end;min-height:340px;
}
.bento-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.bento-feature:hover img{transform:scale(1.04)}
.bento-feature::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,15,.1) 0%,rgba(6,9,15,.72) 55%,rgba(6,9,15,.95) 100%);
}
.bento-feature-body{position:relative;z-index:2;padding:26px}
.bento-feature-body h3{font-size:24px;margin:12px 0 10px}
.bento-feature-body p{max-width:30em;margin-bottom:16px}

/* 成果区 */
.results-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;transition:border-color .2s ease}
.stat:hover{border-color:rgba(46,230,200,.32)}
.stat strong{display:block;font-size:38px;font-weight:600;line-height:1.1;letter-spacing:-.02em}
.stat strong span{font-size:18px;color:var(--mint);margin-left:2px}
.stat em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:6px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.case-card:hover{border-color:rgba(255,107,61,.35);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.case-media{aspect-ratio:16/9;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:24px}
.case-body h3{font-size:20px;margin:12px 0 8px}
.case-body p{color:var(--muted);font-size:14.5px;line-height:1.75}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* 证言 */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.voice-card{
  background:rgba(12,20,32,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:28px;
  transition:border-color .2s ease,transform .2s ease;
}
.voice-card:hover{border-color:rgba(46,230,200,.28);transform:translateY(-3px)}
.voice-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.voice-avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#1A0C06;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
}
.voice-avatar.mint{background:linear-gradient(135deg,#7BF0DC,var(--mint))}
.voice-name{font-size:15px;font-weight:600}
.voice-role{font-size:12.5px;color:var(--muted)}
.voice-stars{margin-left:auto;color:var(--amber);font-size:13px;letter-spacing:.12em}
.voice-card blockquote{margin:0;color:#CBD8E6;font-size:15px;line-height:1.85}

/* 最新信息 CMS */
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;grid-auto-rows:1fr;gap:20px}
.news-feature{
  grid-row:span 2;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-feature:hover{transform:translateY(-4px);border-color:rgba(255,107,61,.35);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.news-feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:21px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{color:var(--muted);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.news-meta time{font-size:13px;color:rgba(147,163,184,.85)}
.news-mini{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-mini:hover{transform:translateY(-4px);border-color:rgba(46,230,200,.32);box-shadow:0 16px 36px rgba(0,0,0,.4)}
.news-mini h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini .news-meta{border-top:none;padding-top:4px}
.empty-state{
  grid-column:1 / -1;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:rgba(11,18,29,.6);color:var(--muted);text-align:center;padding:24px;
}
.empty-state svg{color:rgba(46,230,200,.6)}
.empty-state strong{color:var(--text);font-size:15px;font-weight:600}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-grid h2{margin:16px 0 14px}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s ease;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--mint)}
.faq-list summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:400;color:var(--mint);
  transition:transform .2s ease;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details[open] summary{color:var(--text)}
.faq-answer{
  padding:0 0 20px;color:var(--muted);font-size:14.5px;line-height:1.85;
  background:rgba(255,255,255,.02);border-radius:10px;padding-left:0;
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:64px 48px;text-align:center;
  background:linear-gradient(120deg,rgba(255,107,61,.16),rgba(46,230,200,.1)),var(--surface);
  border:1px solid var(--line-strong);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(160,190,220,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(160,190,220,.06) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at 50% 50%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000 0%,transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;left:50%;top:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,107,61,.22) 0%,transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{margin:0 0 12px}
.cta-inner p{color:#C3D0E0;font-size:16px;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* 页脚 */
.footer{background:#04070C;border-top:1px solid var(--line);margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{padding:0 0 14px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;max-width:26em}
.footer-col h3{font-size:14px;letter-spacing:.06em;margin-bottom:14px;color:#DCE7F5}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(147,163,184,.8);
}
.footer-bottom a{color:rgba(147,163,184,.9)}
.footer-bottom a:hover{color:var(--mint)}
.to-top{
  position:fixed;right:28px;bottom:28px;width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;z-index:40;
  background:var(--surface-2);border:1px solid var(--line-strong);color:var(--text);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(46,230,200,.28);border-color:rgba(46,230,200,.5)}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 32px}
  .hero-inner{gap:36px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .shell{padding-left:0;padding-top:60px}
  .section{padding:64px 0}
  .hero{min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-top:56px;padding-bottom:56px}
  .pain-grid,.results-grid,.voice-grid,.news-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .pain-sticky{position:static}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-feature{grid-column:span 2;grid-row:auto;min-height:300px}
  .news-feature{grid-row:auto}
  .news-grid{grid-auto-rows:auto}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer{margin-top:64px;padding-top:48px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  h1{font-size:32px}
  h2{font-size:26px}
  .section{padding:56px 0}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat strong{font-size:30px}
  .cta-band{padding:44px 24px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .news-feature-body,.case-body{padding:20px}
  .voice-card{padding:22px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .bento{grid-template-columns:1fr}
  .bento-feature{grid-column:span 1}
  .panel-metrics strong{font-size:20px}
  .hero-panel{padding:20px}
  .trust-bar{gap:8px 18px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .news-meta{flex-wrap:wrap;gap:8px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .bento-item:hover,.news-feature:hover,.news-mini:hover,.voice-card:hover,.to-top:hover{transform:none}
  .bento-feature:hover img,.case-card:hover .case-media img,.news-feature:hover .news-feature-media img{transform:none}
}

/* roulang page: article */
:root{
  --bg:#06090F;
  --surface:#0B121D;
  --surface-2:#101A29;
  --line:rgba(160,190,220,.12);
  --line-strong:rgba(160,190,220,.22);
  --text:#EEF4FB;
  --muted:#93A3B8;
  --brand:#FF6B3D;
  --mint:#2EE6C8;
  --amber:#FFC857;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --sidebar-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body.page-article{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(255,107,61,.10), transparent 62%),
    radial-gradient(760px 460px at 10% 2%, rgba(46,230,200,.07), transparent 60%),
    var(--bg);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;position:relative;z-index:1}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#160B04;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;font-weight:700}
.skip-link:focus{left:0}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#080D16;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:24px;
  padding:24px 14px 20px;overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 6px 4px;border-radius:14px;transition:background .2s}
.brand:hover{background:rgba(255,255,255,.045)}
.brand-mark{flex:none;display:grid;place-items:center;width:38px;height:38px}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.03em;color:#fff}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.2em}
.nav-group{display:flex;flex-direction:column;gap:4px}
.nav-label{font-size:11px;letter-spacing:.2em;color:#5C6B80;padding:0 12px 8px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px 0 18px;border-radius:12px;
  color:#B7C5D6;font-size:14.5px;
  transition:background .18s ease,color .18s ease;
}
.nav-link svg{flex:none;opacity:.85}
.nav-link:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-link.is-active{background:rgba(255,107,61,.10);color:#fff}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--mint);
}
.side-cta{
  margin-top:auto;display:block;text-align:center;
  padding:12px 14px;border-radius:12px;
  background:linear-gradient(135deg,#FF6B3D,#FF9A5A);
  color:#170C05;font-weight:700;font-size:14px;
  box-shadow:0 8px 24px rgba(255,107,61,.28);
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.side-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(255,107,61,.42)}
.side-cta:active{transform:translateY(0)}

/* ============ 移动端顶栏 & 抽屉 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;justify-content:space-between;padding:0 18px;
  background:rgba(8,13,22,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);z-index:70;
}
.menu-btn{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:#D5E1EE;transition:background .18s,border-color .18s;
}
.menu-btn:hover{background:rgba(255,255,255,.06);border-color:rgba(46,230,200,.4)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.68);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;
  background:#080D16;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:90;padding:18px 16px 24px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:13px;letter-spacing:.2em;color:#7F8FA5}
.drawer-close{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line-strong);font-size:18px;line-height:1;color:#C7D4E4}
.drawer-close:hover{background:rgba(255,255,255,.06)}
.drawer .nav-link{height:52px}
.drawer .side-cta{margin-top:6px}
html body.no-scroll{overflow:hidden}

/* ============ 主区域 ============ */
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;position:relative;isolation:isolate}
.main-wrap::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(160,190,220,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,190,220,.055) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,0) 62%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,0) 62%);
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#7F8FA5;padding:26px 0 0;
}
.crumb a{color:#93A3B8;transition:color .18s ease}
.crumb a:hover{color:var(--mint)}
.crumb .sep{color:#3C4A5C}
.crumb .cur{color:#C7D4E4;max-width:min(52ch,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 0;max-width:880px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;letter-spacing:.04em;
  background:rgba(255,107,61,.12);color:#FFB08C;border:1px solid rgba(255,107,61,.25);
}
.article-title{
  font-size:clamp(28px,3.6vw,42px);line-height:1.25;font-weight:800;
  letter-spacing:.01em;color:#fff;margin-top:16px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:13px;color:var(--muted);margin-top:18px}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#40506A}
.meta-row .chip{color:#B7C5D6}
.cover{
  position:relative;margin-top:26px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;background:var(--surface-2);
}
.cover img{width:100%;height:100%;object-fit:cover}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,15,0) 58%,rgba(6,9,15,.62))}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;
  align-items:start;padding:42px 0 76px;
}
.article-main{min-width:0;max-width:760px}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.9;color:#DCE6F2}
.article-body p{margin:18px 0 0}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:#fff;
  margin:42px 0 0;padding-left:15px;scroll-margin-top:24px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.36em;bottom:.36em;width:3px;
  border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:#fff;margin:32px 0 0}
.article-body h4{font-size:17px;font-weight:600;color:#fff;margin:24px 0 0}
.article-body a{color:var(--mint);text-decoration:underline;text-underline-offset:3px;transition:color .18s}
.article-body a:hover{color:#8FF3E3}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:18px 0 0}
.article-body li{position:relative;padding-left:22px;margin-top:10px}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.74em;width:7px;height:7px;
  border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol > li{counter-increment:li;padding-left:30px}
.article-body ol > li::before{
  content:counter(li);position:absolute;left:0;top:.22em;
  color:var(--mint);font-weight:700;font-size:14px;
}
.article-body blockquote{
  margin:24px 0 0;padding:20px 22px;border-left:3px solid var(--mint);
  background:rgba(46,230,200,.06);border-radius:0 14px 14px 0;color:#C9D8E8;
}
.article-body blockquote p{margin-top:10px}
.article-body blockquote p:first-child{margin-top:0}
.article-body img{border-radius:16px;margin:24px 0 0}
.article-body figure{margin:24px 0 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;line-height:1.7;color:var(--muted);margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin-top:24px;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body thead th{background:rgba(255,255,255,.05);color:#fff;font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0 0}
.article-body code{
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;
  font-size:14px;color:#FFD98A;
}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:44px 22px;margin-top:24px;
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:var(--surface);
}
.empty-state h2{font-size:20px;color:#fff;margin:0;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--muted);font-size:14px;margin:0;line-height:1.8}
.empty-state .empty-ico{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(46,230,200,.08);border:1px solid rgba(46,230,200,.22);color:var(--mint);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:12px;font-size:14.5px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#FF6B3D,#FF9A5A);color:#170C05;
  box-shadow:0 8px 24px rgba(255,107,61,.28);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(255,107,61,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid rgba(46,230,200,.45);color:#EAF6FF;background:transparent}
.btn-ghost:hover{background:rgba(46,230,200,.10);border-color:rgba(46,230,200,.7)}

/* ============ 侧栏卡片 ============ */
.article-side{position:sticky;top:28px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.side-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;letter-spacing:.16em;color:#7F8FA5;font-weight:600;margin-bottom:12px;
}
.toc-list{display:flex;flex-direction:column}
.toc-link{
  display:block;padding:8px 12px;border-left:2px solid transparent;
  color:#A9B8CB;font-size:14px;line-height:1.6;border-radius:0 10px 10px 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link:hover{color:#fff;background:rgba(255,255,255,.045)}
.toc-link.is-current{color:#fff;border-left-color:var(--mint);background:rgba(46,230,200,.08)}
.toc-empty{font-size:13px;color:#6C7B90;padding:6px 4px}

.link-list{display:flex;flex-direction:column;gap:2px}
.link-list a{
  display:flex;align-items:flex-start;gap:8px;padding:9px 8px;border-radius:10px;
  font-size:14px;line-height:1.65;color:#B7C5D6;
  transition:background .18s ease,color .18s ease;
}
.link-list a:hover{background:rgba(255,255,255,.05);color:#fff}
.link-list a .arrow{color:var(--mint);flex:none;transition:transform .18s ease}
.link-list a:hover .arrow{transform:translateX(2px)}
.side-cta-card{
  background:linear-gradient(150deg,rgba(255,107,61,.16),rgba(46,230,200,.08) 72%);
  border:1px solid rgba(255,107,61,.24);border-radius:var(--r-lg);padding:22px;
}
.side-cta-card h3{font-size:17px;font-weight:700;color:#fff;line-height:1.5}
.side-cta-card p{font-size:13.5px;color:#A9B8CB;line-height:1.8;margin-top:8px}
.side-cta-card .btn{margin-top:16px;width:100%;justify-content:center;height:42px}

/* 移动端目录 */
.toc-mobile{display:none;margin-top:26px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden}
.toc-mobile summary{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;font-size:14px;font-weight:600;color:#DDE7F2;cursor:pointer;list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";color:var(--mint);font-size:18px;line-height:1;transition:transform .2s}
.toc-mobile[open] summary::after{transform:rotate(45deg)}
.toc-mobile .toc-inner{padding:0 10px 14px}

/* ============ 文末 ============ */
.article-foot{margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:#B7C5D6;background:var(--surface-2);border:1px solid var(--line);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag:hover{border-color:rgba(46,230,200,.42);color:#fff;background:rgba(46,230,200,.08)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.share-label{font-size:13px;color:#7F8FA5;letter-spacing:.08em}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line-strong);font-size:13px;color:#C7D4E4;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.share-btn:hover{background:rgba(46,230,200,.10);border-color:rgba(46,230,200,.45);color:#fff}
.author-card{
  display:flex;gap:16px;align-items:flex-start;margin-top:26px;padding:22px;
  border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);
}
.author-avatar{
  width:52px;height:52px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,107,61,.92),rgba(46,230,200,.75));
  color:#0A0F18;font-weight:800;font-size:18px;
}
.author-name{font-size:15px;font-weight:700;color:#fff}
.author-role{font-size:12px;letter-spacing:.1em;color:var(--mint);margin-top:2px}
.author-desc{font-size:13.5px;line-height:1.85;color:var(--muted);margin-top:8px}
.foot-title{font-size:22px;font-weight:700;color:#fff;margin-top:42px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;padding:18px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,107,61,.35);box-shadow:var(--shadow)}
.rel-card .rel-cat{font-size:12px;letter-spacing:.04em;color:#FFB08C}
.rel-card h3{font-size:16px;font-weight:600;color:#fff;line-height:1.55}
.rel-card p{font-size:13.5px;line-height:1.75;color:var(--muted)}
.rel-card .rel-more{font-size:13px;color:var(--mint);margin-top:auto;display:inline-flex;align-items:center;gap:6px}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:32px;
  font-size:14px;color:#B7C5D6;padding:10px 16px;border-radius:10px;
  border:1px solid var(--line-strong);transition:background .18s,border-color .18s,color .18s;
}
.back-link:hover{background:rgba(255,255,255,.05);border-color:rgba(46,230,200,.42);color:#fff}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:#050810;padding:64px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin-top:14px;max-width:36ch}
.footer-col h3{font-size:13px;letter-spacing:.16em;color:#7F8FA5;font-weight:600;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#A9B8CB;transition:color .18s ease}
.footer-col a:hover{color:var(--mint)}
.footer-col span{font-size:14px;color:#7F8FA5}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  font-size:13px;color:#6C7B90;
}
.footer-bottom a{color:#93A3B8;transition:color .18s}
.footer-bottom a:hover{color:var(--mint)}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--line-strong);color:#C7D4E4;
  display:grid;place-items:center;z-index:50;
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease,background .18s ease;
}
.to-top:hover{border-color:rgba(46,230,200,.5);color:var(--mint);box-shadow:0 0 28px rgba(46,230,200,.22)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main-wrap{margin-left:0;padding-top:60px}
  .container{padding:0 22px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px;padding:34px 0 60px}
  .article-main{max-width:none}
  .article-side{position:static;order:2}
  .article-side .side-card:first-child{display:none}
  .toc-mobile{display:block}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer{padding-top:52px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:36px}
  .article-body h3{font-size:19px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .crumb{font-size:12.5px;padding-top:20px}
  .crumb .cur{max-width:38vw}
  .article-title{font-size:27px}
  .meta-row{font-size:12.5px;gap:6px 12px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .author-card{flex-direction:column;gap:12px}
  .to-top{right:16px;bottom:16px}
  .article-body table{font-size:14px}
  .recommend,.rel-card{padding:16px}
}
@media (max-width:520px){
  .article-title{font-size:25px}
  .foot-title{font-size:20px}
  .btn{height:46px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --bg:#06090F;
    --surface:#0B121D;
    --surface-2:#101A29;
    --line:rgba(160,190,220,.12);
    --line-strong:rgba(160,190,220,.22);
    --text:#EEF4FB;
    --muted:#93A3B8;
    --primary:#FF6B3D;
    --primary-light:#FF9152;
    --mint:#2EE6C8;
    --amber:#FFC857;
    --radius-card:20px;
    --radius-btn:12px;
    --radius-panel:28px;
    --shadow:0 12px 40px rgba(0,0,0,.35);
    --sidebar-w:232px;
    --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;background:var(--bg);}
  html body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  html img{display:block;max-width:100%;border:0;}
  html a{color:inherit;text-decoration:none;}
  html button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  html ul{list-style:none;margin:0;padding:0;}
  html h1,html h2,html h3,html p{margin:0;}
  :focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}

  /* 布局骨架 */
  .layout{min-height:100vh;display:flex;flex-direction:column;}
  .main{margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}
  .section{padding:96px 0;}
  .section-tight{padding:72px 0;}

  /* 侧边栏导航 */
  .sidebar{
    position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
    background:#070C14;border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:24px 14px 20px;z-index:70;
  }
  .brand{display:flex;align-items:center;gap:10px;padding:6px 8px 20px;}
  .brand-mark{display:inline-flex;flex:0 0 auto;filter:drop-shadow(0 0 10px rgba(255,107,61,.28));}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-name{font-size:18px;font-weight:800;letter-spacing:.02em;color:#fff;}
  .brand-sub{font-size:11px;letter-spacing:.18em;color:var(--muted);margin-top:3px;}
  .nav-group{display:flex;flex-direction:column;gap:4px;}
  .nav-label{font-size:12px;letter-spacing:.14em;color:#5D6C80;padding:12px 18px 8px;}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px 0 18px;border-radius:10px;
    font-size:15px;color:#A9B7C9;
    transition:background .2s ease,color .2s ease;
  }
  .nav-link svg{flex:0 0 auto;opacity:.85;}
  .nav-link:hover{background:rgba(255,255,255,.05);color:#fff;}
  .nav-link.is-active{background:rgba(46,230,200,.09);color:#fff;font-weight:600;}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;
    background:var(--mint);box-shadow:0 0 12px rgba(46,230,200,.65);
  }
  .nav-link.is-active svg{color:var(--mint);opacity:1;}
  .sidebar-foot{margin-top:auto;padding:18px 8px 0;border-top:1px solid var(--line);}
  .sidebar-note{font-size:12px;color:#6B7B90;margin-top:12px;line-height:1.7;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;letter-spacing:.01em;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease,border-color .2s ease;
  }
  .btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:10px;width:100%;}
  .btn-primary{
    background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
    color:#150A04;box-shadow:0 0 22px rgba(255,107,61,.32);
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 30px rgba(255,107,61,.5);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(255,107,61,.35);}
  .btn-ghost{border:1px solid rgba(46,230,200,.55);color:#EAF6F4;background:transparent;}
  .btn-ghost:hover{background:rgba(46,230,200,.12);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--primary);
    transition:color .2s ease;
  }
  .link-arrow span{transition:transform .2s ease;display:inline-block;}
  .link-arrow:hover{color:var(--primary-light);}
  .link-arrow:hover span{transform:translateX(2px);}

  /* 微标签与通用文字 */
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.14em;color:var(--mint);
    text-transform:none;font-weight:600;
  }
  .eyebrow::before{content:"";width:16px;height:1px;background:var(--mint);opacity:.7;}
  .tag{
    display:inline-flex;align-items:center;
    padding:4px 12px;border-radius:999px;
    font-size:12px;letter-spacing:.04em;font-weight:600;
    color:var(--mint);background:rgba(46,230,200,.1);
    border:1px solid rgba(46,230,200,.24);
  }
  .tag-warm{color:var(--primary-light);background:rgba(255,107,61,.12);border-color:rgba(255,107,61,.3);}
  .tag-amber{color:var(--amber);background:rgba(255,200,87,.12);border-color:rgba(255,200,87,.3);}
  .muted{color:var(--muted);}

  /* 移动端顶栏与抽屉 */
  .mobile-bar{
    display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:75;
    align-items:center;justify-content:space-between;padding:0 20px;
    background:rgba(7,12,20,.94);border-bottom:1px solid var(--line);
    backdrop-filter:blur(12px);
  }
  .mobile-bar .brand{padding:0;}
  .menu-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    color:#DCE7F3;transition:background .2s ease,border-color .2s ease;
  }
  .menu-btn:hover{background:rgba(255,255,255,.06);border-color:var(--line-strong);}
  .mask{
    position:fixed;inset:0;z-index:88;background:rgba(3,6,10,.68);
    opacity:0;pointer-events:none;transition:opacity .28s ease;
  }
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:90;
    background:#070C14;border-left:1px solid var(--line);
    padding:20px 16px 28px;overflow-y:auto;
    transform:translateX(102%);transition:transform .28s ease;
    display:flex;flex-direction:column;
  }
  body.drawer-open .drawer{transform:translateX(0);}
  body.drawer-open .mask{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;color:#DCE7F3;
  }
  .drawer .nav-link{height:52px;font-size:16px;}

  /* 面包屑 */
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#7B8B9F;flex-wrap:wrap;}
  .crumb a{color:#9FB0C4;transition:color .2s ease;}
  .crumb a:hover{color:var(--mint);}
  .crumb-sep{color:#43536A;}

  /* Hero */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);isolation:isolate;}
  .hero-bg{
    position:absolute;inset:0;z-index:-2;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;opacity:.55;
  }
  .hero-veil{
    position:absolute;inset:0;z-index:-1;
    background:
      linear-gradient(95deg,rgba(6,9,15,.96) 0%,rgba(6,9,15,.82) 48%,rgba(6,9,15,.5) 100%),
      linear-gradient(180deg,rgba(6,9,15,.28) 0%,rgba(6,9,15,.92) 100%);
  }
  .hero-inner{
    position:relative;min-height:320px;
    display:flex;flex-direction:column;justify-content:center;
    padding:52px 40px 56px;
  }
  .hero-title{
    font-size:52px;font-weight:800;line-height:1.15;letter-spacing:-.01em;
    margin:18px 0 0;color:#fff;
  }
  .hero-title em{font-style:normal;color:var(--primary);}
  .hero-lede{
    max-width:720px;margin-top:18px;font-size:16px;line-height:1.9;color:#C2CFDD;
  }
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
  .chip{
    display:inline-flex;align-items:center;justify-content:center;
    height:40px;padding:0 20px;border-radius:999px;
    font-size:14px;font-weight:600;color:#A6B5C7;
    border:1px solid var(--line);background:rgba(255,255,255,.03);
    transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
  }
  .chip:hover{color:#fff;border-color:rgba(255,107,61,.42);background:rgba(255,107,61,.08);}
  .chip.is-active{
    background:var(--primary);border-color:var(--primary);color:#150A04;
    box-shadow:0 0 22px rgba(255,107,61,.4);
  }
  .chip.is-active:hover{color:#150A04;}

  /* 区块标题 */
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-title{
    font-size:34px;font-weight:700;line-height:1.3;letter-spacing:-.01em;
    margin-top:14px;color:#fff;
  }
  .section-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* 编辑精选 */
  .feature{
    display:grid;grid-template-columns:1.12fr 1fr;gap:34px;align-items:center;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-panel);padding:26px;
    box-shadow:var(--shadow);
    transition:border-color .22s ease,transform .22s ease;
  }
  .feature:hover{border-color:rgba(255,107,61,.35);transform:translateY(-2px);}
  .feature-media{
    position:relative;border-radius:20px;overflow:hidden;aspect-ratio:16/9;
    background:var(--surface-2);
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;}
  .feature-media .media-glow{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,9,15,0) 45%,rgba(6,9,15,.72) 100%);
  }
  .feature-title{
    font-size:26px;font-weight:700;line-height:1.4;color:#fff;margin-top:16px;
  }
  .feature-desc{margin-top:14px;font-size:15px;line-height:1.85;color:#B7C5D5;}
  .feature-meta{display:flex;align-items:center;gap:20px;margin-top:22px;flex-wrap:wrap;}
  .feature-score{
    display:inline-flex;align-items:baseline;gap:6px;
    padding:8px 16px;border-radius:14px;
    background:rgba(255,200,87,.1);border:1px solid rgba(255,200,87,.35);
    color:var(--amber);
  }
  .feature-score b{font-size:26px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;}
  .feature-score span{font-size:12px;letter-spacing:.06em;}
  .meta-line{font-size:13px;color:var(--muted);}
  .feature .link-arrow{margin-top:22px;font-size:15px;}

  /* 评测网格 */
  .review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .review-grid > *:nth-child(even){margin-top:44px;}
  .card{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:20px;
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .card:hover{transform:translateY(-4px);border-color:rgba(255,107,61,.35);box-shadow:var(--shadow);}
  .card-media-wrap{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);}
  .card-media{width:100%;height:100%;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
  .card:hover .card-media img{transform:scale(1.04);}
  .score-badge{
    position:absolute;top:12px;right:12px;
    display:inline-flex;align-items:baseline;gap:4px;
    padding:5px 12px;border-radius:999px;
    background:rgba(8,12,19,.86);border:1px solid rgba(255,200,87,.45);
    color:var(--amber);font-size:11px;letter-spacing:.06em;font-weight:600;
    backdrop-filter:blur(6px);
  }
  .score-badge b{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;}
  .card-body{padding-top:18px;}
  .card-title{
    margin-top:12px;font-size:21px;font-weight:600;line-height:1.45;color:#fff;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-title a{transition:color .2s ease;}
  .card:hover .card-title a{color:var(--primary-light);}
  .card-desc{
    margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
    font-size:13px;color:#7E8DA1;
  }

  /* 评测标准 */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-top:8px;}
  .step{padding-top:24px;border-top:1px solid var(--line);position:relative;}
  .step-no{
    font-size:44px;font-weight:800;line-height:1;
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;
    background:linear-gradient(140deg,var(--primary) 0%,#FFD3A8 130%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .step-title{margin-top:16px;font-size:20px;font-weight:600;color:#fff;}
  .step-desc{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}

  /* FAQ */
  .faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    width:100%;min-height:56px;padding:14px 4px;cursor:pointer;
    font-size:16px;font-weight:600;color:#E6EEF8;list-style:none;
    transition:color .2s ease;
  }
  .faq-q::-webkit-details-marker{display:none;}
  .faq-q:hover{color:#fff;}
  .faq-q::after{
    content:"+";flex:0 0 auto;font-size:20px;font-weight:400;color:#7C8CA4;
    transition:transform .22s ease,color .22s ease;
  }
  details[open] .faq-q::after{transform:rotate(45deg);color:var(--primary);}
  details[open] .faq-q{color:#fff;}
  .faq-a{
    padding:2px 40px 18px 4px;font-size:15px;line-height:1.85;color:var(--muted);
  }

  /* CTA 色带 */
  .cta-band{
    position:relative;overflow:hidden;isolation:isolate;
    border-radius:var(--radius-panel);
    border:1px solid rgba(255,107,61,.28);
    background:linear-gradient(120deg,rgba(255,107,61,.16) 0%,rgba(46,230,200,.08) 60%,rgba(11,18,29,.9) 100%);
    padding:56px 48px;min-height:280px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
    background-image:
      linear-gradient(rgba(160,190,220,.08) 1px,transparent 1px),
      linear-gradient(90deg,rgba(160,190,220,.08) 1px,transparent 1px);
    background-size:48px 48px;
    mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
  }
  .cta-band h2{font-size:32px;font-weight:700;line-height:1.35;color:#fff;margin-top:14px;}
  .cta-band p{max-width:640px;margin-top:14px;font-size:15px;line-height:1.85;color:#C0CDDA;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}

  /* 页脚 */
  .footer{margin-top:auto;background:#050A11;border-top:1px solid var(--line);padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--muted);max-width:320px;}
  .footer-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;color:#DCE7F3;margin-bottom:14px;}
  .footer-col li{line-height:2.1;}
  .footer-col li a,.footer-col li span{font-size:14px;color:var(--muted);transition:color .2s ease;}
  .footer-col li a:hover{color:var(--primary);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    font-size:13px;color:#75849A;
  }
  .footer-bottom a{color:#9CAEC2;transition:color .2s ease;}
  .footer-bottom a:hover{color:var(--mint);}

  /* 返回顶部 */
  .to-top{
    position:fixed;right:24px;bottom:24px;z-index:60;
    width:44px;height:44px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--surface-2);border:1px solid var(--line-strong);color:#D6E3F0;
    opacity:0;pointer-events:none;transform:translateY(10px);
    transition:opacity .24s ease,transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
  .to-top:hover{box-shadow:0 0 22px rgba(46,230,200,.35);border-color:rgba(46,230,200,.5);}

  /* 响应式 */
  @media (max-width:1279px){
    .container{padding:0 32px;}
    .hero-inner{padding:52px 32px 56px;}
    .hero-title{font-size:46px;}
  }
  @media (max-width:1023px){
    .sidebar{display:none;}
    .main{margin-left:0;padding-top:60px;}
    .mobile-bar{display:flex;}
    .section{padding:64px 0;}
    .section-tight{padding:52px 0;}
    .hero-inner{min-height:280px;padding:40px 24px 44px;}
    .hero-title{font-size:34px;}
    .hero-lede{font-size:15px;line-height:1.85;}
    .container{padding:0 24px;}
    .feature{grid-template-columns:1fr;gap:22px;padding:20px;}
    .feature-title{font-size:22px;}
    .review-grid{grid-template-columns:1fr;gap:20px;}
    .review-grid > *:nth-child(even){margin-top:0;}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
    .faq-grid{grid-template-columns:1fr;gap:28px;}
    .section-title{font-size:27px;}
    .cta-band{padding:44px 24px;min-height:240px;}
    .cta-band h2{font-size:26px;}
    .footer{padding:52px 0 24px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:639px){
    html body{font-size:15px;}
    .container{padding:0 18px;}
    .hero-inner{padding:34px 18px 38px;}
    .hero-title{font-size:30px;}
    .chip{height:38px;padding:0 16px;font-size:13px;}
    .section{padding:52px 0;}
    .section-title{font-size:24px;}
    .card{padding:16px;}
    .card-title{font-size:19px;}
    .steps{grid-template-columns:1fr;gap:18px;}
    .step-no{font-size:36px;}
    .feature-score b{font-size:22px;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
    .to-top{right:16px;bottom:16px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
    .card:hover,.feature:hover,.btn:hover{transform:none;}
    .card:hover .card-media img{transform:none;}
  }

/* roulang page: category2 */
:root{
  --bg:#06090F;
  --bg-deep:#04070C;
  --surface:#0B121D;
  --surface-2:#101A29;
  --line:rgba(160,190,220,.12);
  --line-strong:rgba(160,190,220,.22);
  --text:#EEF4FB;
  --muted:#93A3B8;
  --primary:#FF6B3D;
  --mint:#2EE6C8;
  --amber:#FFC857;
  --radius-card:20px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.35);
  --sidebar-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;min-height:100vh}
.content-shell{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.site-main{flex:1 0 auto}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:40px;padding-right:40px}

/* ---------- 左侧栏 ---------- */
.sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  position:sticky;
  top:0;
  height:100vh;
  background:var(--bg-deep);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:26px;
  padding:22px 14px 20px;
  overflow-y:auto;
  z-index:60;
}
.sidebar-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:11px;padding:2px 6px}
.brand-mark{display:inline-flex;flex:0 0 auto;line-height:0}
.brand-text{display:block}
.brand-name{display:block;font-size:16px;font-weight:800;letter-spacing:.02em;color:#fff;line-height:1.25}
.brand-sub{display:block;font-size:11px;letter-spacing:.2em;color:#6C7F94;line-height:1.5;margin-top:2px}
.drawer-close{display:none;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:#9FB2C8}
.drawer-close:hover{color:#fff;border-color:var(--line-strong)}

.nav-group{display:flex;flex-direction:column;gap:4px}
.nav-label{font-size:11px;letter-spacing:.16em;color:#5F7186;padding:0 18px;margin-bottom:6px}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 14px 0 18px;
  border-radius:10px;
  color:var(--muted);
  font-size:14.5px;
  transition:background .2s ease,color .2s ease;
}
.nav-link svg{flex:0 0 auto;opacity:.9}
.nav-link:hover{background:rgba(255,255,255,.045);color:#fff}
.nav-link.is-active{background:rgba(46,230,200,.08);color:#fff}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--mint);
}

.side-promo{
  margin-top:auto;
  background:linear-gradient(155deg,rgba(255,107,61,.16),rgba(46,230,200,.08));
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 14px 14px;
}
.side-promo-title{font-size:14px;font-weight:700;color:#fff;line-height:1.5}
.side-promo-text{margin-top:6px;font-size:12.5px;line-height:1.7;color:#A9B9CB}
.side-promo .btn{margin-top:12px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#FF7A4D 0%,#FF6B3D 55%,#FF9A5C 100%);
  color:#1A0C06;
  box-shadow:0 10px 26px rgba(255,107,61,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 32px rgba(255,107,61,.42)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border:1px solid rgba(46,230,200,.5);color:#D9FFFA}
.btn-ghost:hover{background:rgba(46,230,200,.1);border-color:var(--mint)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14px;font-weight:600;transition:gap .2s ease,color .2s ease}
.link-arrow:hover{gap:11px;color:#8FF6E4}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:50;
  align-items:center;justify-content:space-between;padding:0 20px;
  background:rgba(4,7,12,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.mobile-bar .brand{padding:0}
.brand-compact .brand-name{font-size:15px}
.brand-compact .brand-sub{font-size:10px;letter-spacing:.16em}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);color:#C4D2E1;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.menu-btn:hover{background:rgba(255,255,255,.05);color:#fff;border-color:rgba(46,230,200,.4)}
.drawer-overlay{display:none}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;display:flex;align-items:center;
  min-height:290px;
  border-bottom:1px solid var(--line);
  background-color:#080D15;
  background-image:
    linear-gradient(90deg,rgba(6,9,15,.95) 0%,rgba(6,9,15,.86) 52%,rgba(6,9,15,.6) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(160,190,220,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,190,220,.06) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding-top:38px;padding-bottom:38px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#7A8CA1;margin-bottom:16px}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb span[aria-current]{color:#A9B9CB}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:#7BF2DD;
  background:rgba(46,230,200,.1);border:1px solid rgba(46,230,200,.26);
  padding:5px 12px;border-radius:var(--radius-pill);
}
.hero-title{
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;line-height:1.16;letter-spacing:.01em;
  margin:14px 0 12px;
}
.hero-desc{max-width:780px;color:#B9C8D9;font-size:15.5px;line-height:1.85}
.hero-search{
  margin-top:20px;display:flex;align-items:center;gap:12px;
  width:100%;max-width:640px;
  background:rgba(10,18,30,.72);
  border:1px solid var(--line-strong);
  border-radius:14px;
  padding:8px 8px 8px 16px;
  backdrop-filter:blur(10px);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search:focus-within{border-color:rgba(46,230,200,.55);box-shadow:0 0 0 3px rgba(46,230,200,.12)}
.hero-search svg{color:#6C8298;flex:0 0 auto}
.hero-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:#EEF4FB;font-size:15px;height:36px;
}
.hero-search input::placeholder{color:#6C8298}
.hero-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:var(--radius-pill);font-size:13.5px;color:#9FB0C4;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.tag-pill:hover{color:#fff;border-color:rgba(255,107,61,.45);background:rgba(255,107,61,.1)}
.tag-pill.is-on{background:var(--primary);color:#1A0C06;border-color:transparent;font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-head{margin-bottom:28px}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:.01em}
.section-sub{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.85;max-width:760px}
.section-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--mint);font-size:14px;font-weight:600;transition:gap .2s ease}
.section-link:hover{gap:11px}

/* ---------- 攻略主体两栏 ---------- */
.guide-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start}
.guide-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px}
.side-title{font-size:13px;letter-spacing:.1em;color:#9FB2C8;font-weight:600}
.anchor-list{display:flex;flex-direction:column;gap:2px;margin-top:12px}
.anchor-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:40px;padding:0 10px;border-radius:9px;
  color:#A9B9CB;font-size:14px;
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.anchor-link:hover{background:rgba(255,255,255,.05);color:#fff;padding-left:13px}
.anchor-link em{font-style:normal;color:#5F7186;font-size:12px}
.top-card{cursor:default}
.side-summary{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;letter-spacing:.1em;color:#9FB2C8;font-weight:600;
  cursor:pointer;list-style:none;
}
.side-summary::-webkit-details-marker{display:none}
.side-summary::after{content:"＋";font-size:14px;color:#7E92A8;transition:transform .2s ease,color .2s ease}
.top-card[open] > .side-summary::after{transform:rotate(45deg);color:var(--mint)}
.top-list{margin-top:12px;display:flex;flex-direction:column;gap:2px}
.top-item{
  display:flex;gap:10px;padding:9px 6px;border-radius:8px;
  font-size:13.5px;line-height:1.6;color:#C4D2E1;
  transition:background .2s ease,color .2s ease;
}
.top-item:hover{background:rgba(255,255,255,.05);color:#fff}
.top-index{flex:0 0 auto;width:18px;font-family:"Barlow","DIN Alternate",sans-serif;font-weight:700;font-size:13px;color:var(--amber)}
.top-item:nth-child(n+4) .top-index{color:#7E92A8}
.side-cta{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.side-cta img{width:100%;height:132px;object-fit:cover}
.side-cta-body{padding:16px 18px 18px}
.side-cta-title{font-size:14.5px;font-weight:700;color:#fff}
.side-cta-text{margin:6px 0 12px;font-size:13px;line-height:1.75;color:var(--muted)}

/* ---------- 攻略编号列表 ---------- */
.guide-list{display:flex;flex-direction:column}
.guide-row{
  display:grid;grid-template-columns:72px minmax(0,1fr) 48px;gap:16px;align-items:center;
  min-height:92px;padding:22px 6px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.guide-row:first-child{border-top:1px solid var(--line)}
.guide-row:hover{background:rgba(255,255,255,.025)}
.guide-num{
  font-family:"Barlow","DIN Alternate",sans-serif;
  font-size:32px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:#2A394D;transition:color .2s ease;
}
.guide-row:hover .guide-num{color:var(--primary)}
.guide-body{min-width:0}
.guide-body h3{font-size:18px;font-weight:650;line-height:1.5;letter-spacing:.01em}
.guide-body h3 a{transition:color .2s ease}
.guide-body h3 a:hover{color:var(--mint)}
.guide-desc{
  margin-top:5px;color:var(--muted);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-meta{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:#7E92A8}
.guide-arrow{
  justify-self:end;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:#8FA3B8;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.guide-row:hover .guide-arrow{background:var(--mint);border-color:var(--mint);color:#0F1A28;transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--radius-pill);font-size:12px;line-height:1;letter-spacing:.03em;
  border:1px solid transparent;
}
.badge-mint{background:rgba(46,230,200,.1);border-color:rgba(46,230,200,.26);color:#7BF2DD}
.badge-primary{background:rgba(255,107,61,.12);border-color:rgba(255,107,61,.28);color:#FF9E7C}
.badge-amber{background:rgba(255,200,87,.12);border-color:rgba(255,200,87,.3);color:#FFD98A}
.badge-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#A9B9CB}

/* ---------- 新手指引时间轴 ---------- */
.timeline-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:52px;align-items:start}
.timeline{position:relative;padding-left:34px;display:flex;flex-direction:column;gap:30px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(46,230,200,.7),rgba(46,230,200,.06));
}
.timeline-item{position:relative}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--mint);box-shadow:0 0 0 4px rgba(46,230,200,.1);
}
.timeline-item h3{font-size:17.5px;font-weight:650;margin-bottom:6px;line-height:1.5}
.timeline-item p{color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- 标签云 ---------- */
.tag-block{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:32px}
.tag-cloud{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:52px;align-items:start}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px;font-size:16px;font-weight:600;color:#E5EEF8;
  cursor:pointer;list-style:none;transition:color .2s ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--mint)}
.faq-plus{flex:0 0 auto;font-size:18px;color:#7E92A8;line-height:1;transition:transform .2s ease,color .2s ease}
.faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--mint)}
.faq-item[open] .faq-q{color:#fff}
.faq-a{padding:0 4px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- 最终 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid rgba(255,107,61,.24);
  border-radius:28px;
  background:linear-gradient(120deg,#0E1622 0%,#0A1420 55%,#121A24 100%);
  padding:52px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(600px 240px at 84% 10%,rgba(255,107,61,.28),transparent 70%),
    radial-gradient(420px 200px at 6% 92%,rgba(46,230,200,.16),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(160,190,220,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,190,220,.07) 1px,transparent 1px);
  background-size:48px 48px;opacity:.35;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta-copy{max-width:600px}
.cta-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35}
.cta-text{margin-top:10px;color:#B9C8D9;font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);border-top:1px solid var(--line);padding-top:56px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
.footer-brand .brand{padding:0}
.footer-brand p{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.85;max-width:330px}
.footer-col h3{font-size:14px;letter-spacing:.08em;color:#DBE6F2;font-weight:600;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--mint)}
.footer-col span{color:#6C7F94;font-size:14px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7E92A8;
}
.footer-bottom a{transition:color .2s ease}
.footer-bottom a:hover{color:var(--mint)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(16,26,41,.92);border:1px solid var(--line-strong);color:#C4D2E1;
  z-index:40;opacity:0;pointer-events:none;
  transition:opacity .25s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{border-color:var(--mint);color:var(--mint);box-shadow:0 0 22px rgba(46,230,200,.35)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding-left:32px;padding-right:32px}
  .guide-layout{grid-template-columns:260px minmax(0,1fr);gap:32px}
  .timeline-layout{gap:40px}
  .faq-layout{gap:40px}
}
@media (max-width:1023px){
  .layout{display:block}
  .mobile-bar{display:flex}
  .site-main{padding-top:60px}
  .sidebar{
    position:fixed;top:0;right:0;left:auto;
    width:82vw;max-width:340px;height:100vh;
    border-right:0;border-left:1px solid var(--line);
    transform:translateX(105%);
    transition:transform .28s ease;
    box-shadow:-18px 0 44px rgba(0,0,0,.5);
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:inline-flex}
  .drawer-overlay.is-open{
    display:block;position:fixed;inset:0;z-index:55;
    background:rgba(3,6,11,.66);backdrop-filter:blur(2px);
  }
  .nav-link{height:52px}
  .guide-layout{grid-template-columns:1fr;gap:28px}
  .guide-side{position:static}
  .timeline-layout{grid-template-columns:1fr;gap:28px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{min-height:0}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:64px 0}
  .hero-inner{padding-top:30px;padding-bottom:32px}
  .hero-desc{font-size:15px}
  .hero-search{flex-wrap:wrap;border-radius:16px;padding:12px 12px 12px 14px}
  .hero-search input{width:100%;flex:1 1 100%;height:34px}
  .hero-search .btn{width:100%}
  .cta-band{padding:32px 22px;border-radius:24px}
  .tag-block{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer{margin-top:64px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}
@media (max-width:639px){
  .section{padding:52px 0}
  .hero-title{font-size:30px}
  .guide-row{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:18px 4px}
  .guide-num{font-size:22px}
  .guide-arrow{display:none}
  .guide-body h3{font-size:16.5px}
  .guide-desc{-webkit-line-clamp:2}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .timeline{padding-left:28px}
  .timeline-item::before{left:-28px;width:14px;height:14px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}