/* roulang page: index */
:root{
  --bg:#0A1014;
  --panel:#101A1E;
  --panel-3:#0C1418;
  --primary:#2BE0A6;
  --primary-dark:#16B583;
  --primary-light:#7DF0C8;
  --accent:#FF8A3D;
  --text:#E8F1EE;
  --body-c:#C7D6D1;
  --muted:#8FA3AD;
  --danger:#FF6B6B;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(43,224,166,.35),0 10px 30px rgba(43,224,166,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body-c);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  padding-left:240px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-0.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:60;
  display:flex;flex-direction:column;
  background:rgba(16,26,30,.94);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-right:1px solid var(--line);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.04);
  transition:transform .3s ease,width .25s ease;
}
.brand{
  height:88px;display:flex;align-items:center;gap:10px;padding:0 20px;
  border-bottom:1px solid var(--line-soft);flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:16px;color:var(--text);font-weight:700;letter-spacing:.01em}
.brand-text em{
  font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary);
  margin-top:3px;
}
.side-nav{padding:16px 12px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto}
.side-nav .nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:12px;
  color:var(--muted);font-size:15px;transition:background .2s,color .2s,transform .2s;
}
.side-nav .nav-link svg{flex:0 0 auto;opacity:.85}
.side-nav .nav-link:hover{background:var(--glass);color:var(--text);transform:translateX(2px)}
.side-nav .nav-link.active{
  background:rgba(43,224,166,.10);color:var(--primary);
}
.side-nav .nav-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--primary);
}
.side-foot{padding:16px 20px 24px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:0 22px;height:48px;font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .25s ease,background .2s,border-color .2s,color .2s;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#04231A;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(43,224,166,.5),0 14px 34px rgba(43,224,166,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:var(--glass);color:var(--text);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:rgba(43,224,166,.4);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-block{width:100%}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,16,20,.88);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.topbar .brand{padding:0;height:auto;border:0}
.burger{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);
}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;
  transition:opacity .3s;z-index:55;
}
.scrim.show{opacity:1;pointer-events:auto}

/* ============ Hero ============ */
.main{display:block}
.hero{
  position:relative;overflow:hidden;min-height:560px;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:96px 0 80px;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,166,.08) 0%,rgba(43,224,166,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-inner{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(43,224,166,.10);border:1px solid rgba(43,224,166,.28);
  color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);line-height:1.15;letter-spacing:-0.01em;font-weight:700;
  margin-bottom:18px;
}
.hero h1 span{color:var(--primary)}
.hero-sub{font-size:clamp(16px,1.4vw,19px);color:var(--body-c);max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn{height:52px;padding:0 30px;font-size:16px}
.trust-row{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.trust-item svg{flex:0 0 auto;color:var(--primary)}
.hero-visual{position:relative;z-index:2}
.hero-shot{
  position:relative;border-radius:16px;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow);padding:10px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10),0 18px 40px rgba(0,0,0,.45);
}
.hero-shot img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
}
.hero-badge{
  position:absolute;right:18px;bottom:-18px;
  display:flex;flex-direction:column;align-items:flex-start;gap:2px;
  padding:12px 18px;border-radius:14px;
  background:rgba(16,26,30,.94);border:1px solid rgba(255,138,61,.4);
  box-shadow:0 14px 30px rgba(0,0,0,.5);
}
.hero-badge-num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}
.hero-badge-label{font-size:12px;color:var(--muted);letter-spacing:.04em}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  overflow:hidden;
}
.stat{padding:26px 24px;text-align:left;position:relative}
.stat+.stat{border-left:1px solid var(--line-soft)}
.stat-num{font-family:var(--font-num);font-size:clamp(28px,3vw,40px);font-weight:700;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;letter-spacing:.02em}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25}
.section-head p{font-size:14px;color:var(--muted);margin-top:10px;max-width:620px}
.link-more{
  font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
  white-space:nowrap;transition:gap .2s;
}
.link-more:hover{gap:10px}
.divider{height:1px;background:var(--line-soft);border:0;margin:0}

/* ============ 服务网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(43,224,166,.4)}
.card-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);margin-bottom:16px;
}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag-primary{background:rgba(43,224,166,.12);color:var(--primary);border:1px solid rgba(43,224,166,.28)}
.tag-accent{background:rgba(255,138,61,.14);color:var(--accent);border:1px solid rgba(255,138,61,.3)}
.card-media .tag{position:absolute;top:12px;right:12px;backdrop-filter:blur(8px);background:rgba(10,16,20,.72)}
.card h3{font-size:20px;line-height:1.4;margin-bottom:10px;font-weight:600}
.card p{font-size:14px;color:var(--body-c);line-height:1.75}
.card-list{margin:14px 0 20px;display:flex;flex-direction:column;gap:8px}
.card-list li{display:flex;gap:9px;font-size:13.5px;color:var(--muted);line-height:1.6}
.card-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;margin-top:8px;background:var(--primary);
}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px}
.card-foot .btn{height:42px;padding:0 18px;font-size:14px;flex:1 1 auto}
.icon-btn{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  transition:color .2s,border-color .2s,transform .2s;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,224,166,.4);transform:translateY(-2px)}

/* ============ 流程 ============ */
.process{background:var(--panel-3);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;margin-top:8px}
.step{display:flex;gap:16px;align-items:flex-start}
.step-num{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--accent);
  background:var(--glass);border:1px solid var(--line);
}
.step-body h3{font-size:17px;font-weight:600;margin-bottom:6px}
.step-body p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 评价轮播 ============ */
.reviews-wrap{position:relative}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);transition:transform .25s,border-color .25s;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(43,224,166,.4)}
.stars{display:flex;gap:3px;margin-bottom:14px;color:var(--accent)}
.review-card p{font-size:14.5px;color:var(--body-c);line-height:1.85}
.review-person{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft)}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(43,224,166,.2),rgba(255,138,61,.16));
  border:1px solid var(--line);color:var(--text);font-size:15px;font-weight:600;
}
.person-name{font-size:14px;color:var(--text);font-weight:600;line-height:1.3}
.person-role{font-size:12px;color:var(--muted)}
.carousel-ctrl{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:12px}
.arrow{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s,color .2s,transform .2s;
}
.arrow:hover{border-color:rgba(43,224,166,.45);color:var(--primary);transform:translateY(-2px)}
.dots{display:flex;gap:8px;align-items:center}
.dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.2);transition:all .25s}
.dot.active{width:8px;height:8px;background:var(--primary)}

/* ============ 保障条 ============ */
.guarantees{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guarantee{display:flex;gap:14px;align-items:flex-start}
.g-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(43,224,166,.12);border:1px solid rgba(43,224,166,.24);color:var(--primary);
}
.guarantee h3{font-size:16px;font-weight:600;margin-bottom:4px}
.guarantee p{font-size:13px;color:var(--muted);line-height:1.7}

/* ============ 转化横幅 ============ */
.banner{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid rgba(43,224,166,.24);
  background:linear-gradient(120deg,rgba(43,224,166,.10) 0%,rgba(16,26,30,.6) 55%,rgba(255,138,61,.07) 100%);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow);
}
.banner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px}
.banner p{font-size:14px;color:var(--body-c);max-width:620px}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-6px);border-color:rgba(43,224,166,.4);box-shadow:var(--shadow-hover)}
.news-cover{
  position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;
  background:linear-gradient(135deg,rgba(43,224,166,.12),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.08);margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-cover .tag{position:absolute;top:12px;left:12px;background:rgba(10,16,20,.75);backdrop-filter:blur(8px)}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .excerpt{
  font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--muted);
}
.news-meta .arrow-mini{color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.news-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius-card);
  text-align:center;padding:40px 20px;
}
.news-empty svg{color:var(--primary);opacity:.8}
.news-empty p{font-size:14.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;margin-bottom:14px}
.faq-side p{font-size:14px;color:var(--muted);line-height:1.8}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass-2);border:1px solid var(--line-soft);border-radius:14px;
  overflow:hidden;transition:border-color .24s,background .24s;
}
.faq-item.open{border-color:rgba(43,224,166,.35);background:rgba(43,224,166,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);transition:transform .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--body-c)}

/* ============ 页脚 ============ */
.footer{
  background:var(--panel-3);border-top:1px solid var(--line-soft);padding:64px 0 0;margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer h4{font-size:14px;color:var(--text);letter-spacing:.06em;margin-bottom:18px;font-weight:600}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{font-size:16px;color:var(--text)}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary);display:block;margin-top:2px}
.footer p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:13.5px;color:var(--muted);transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.social-row{display:flex;gap:12px;margin-top:20px}
.social{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  transition:color .2s,border-color .2s,transform .2s;
}
.social:hover{color:var(--primary);border-color:rgba(43,224,166,.45);transform:translateY(-3px)}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  body{padding-left:88px}
  .sidebar{width:88px}
  .brand{padding:0;justify-content:center}
  .brand-text{display:none}
  .side-nav .nav-link{justify-content:center;padding:0}
  .side-nav .nav-text{display:none}
  .side-nav .nav-link.active::before{left:-12px}
  .side-nav .nav-link{position:relative}
  .side-nav .nav-link:hover::after{
    content:attr(data-tip);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);
    background:rgba(16,26,30,.96);border:1px solid var(--line);color:var(--text);
    font-size:13px;padding:8px 12px;border-radius:10px;white-space:nowrap;z-index:80;
    box-shadow:0 12px 28px rgba(0,0,0,.5);
  }
  .side-foot{padding:16px 14px 24px}
  .side-cta{width:48px;height:48px;padding:0;border-radius:50%}
  .side-cta span{display:none}
  .hero{padding:80px 0 64px;gap:36px}
}
@media (max-width:1023px){
  body{padding-left:0;padding-top:64px}
  .topbar{display:flex}
  .sidebar{
    width:280px;transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar .brand{padding:0 20px;justify-content:flex-start}
  .sidebar .brand-text{display:flex}
  .sidebar .side-nav .nav-link{justify-content:flex-start;padding:0 12px}
  .sidebar .side-nav .nav-text{display:inline}
  .sidebar .side-nav .nav-link:hover::after{display:none}
  .side-foot{padding:16px 20px 24px}
  .side-cta{width:100%;height:48px;border-radius:999px}
  .side-cta span{display:inline}
  .hero{grid-template-columns:1fr;min-height:0;padding:56px 0 48px}
  .hero-visual{order:-1}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .guarantees{grid-template-columns:repeat(2,1fr);gap:20px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line-soft)}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .banner{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:767px){
  .container,.container-wide{padding:0 20px}
  .section{padding:48px 0}
  .grid-3,.news-grid,.steps{grid-template-columns:1fr}
  .review-card{flex:0 0 86%}
  .hero h1{font-size:clamp(28px,7vw,36px)}
  .hero-actions .btn{width:100%}
  .trust-row{gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .banner-actions{width:100%}
  .banner-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:479px){
  .hero{padding:40px 0 32px}
  .hero-visual{display:none}
  .guarantees{grid-template-columns:1fr}
  .stat{padding:20px 16px}
  .card{padding:16px}
}

/* roulang page: article */
:root{
  --bg:#0A1014;
  --bg-2:#101A1E;
  --bg-3:#0C1418;
  --primary:#2BE0A6;
  --primary-d:#16B583;
  --primary-l:#7DF0C8;
  --accent:#FF8A3D;
  --text:#E8F1EE;
  --text-2:#C7D6D1;
  --text-3:#8FA3AD;
  --danger:#FF6B6B;
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(43,224,166,.35), 0 10px 30px rgba(43,224,166,.22);
  --nav-w:240px;
  --tr:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Barlow Condensed","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 460px at 88% -6%, rgba(43,224,166,.09), transparent 68%),
    radial-gradient(560px 380px at 4% 96%, rgba(255,138,61,.05), transparent 70%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font:inherit}
::selection{background:rgba(43,224,166,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A1014}
::-webkit-scrollbar-thumb{background:rgba(43,224,166,.22);border-radius:8px;border:2px solid #0A1014}
::-webkit-scrollbar-thumb:hover{background:rgba(43,224,166,.4)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ===== 布局骨架 ===== */
.page-wrap{
  position:relative;
  z-index:1;
  padding-left:var(--nav-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ===== 左侧竖向导航 ===== */
.side-nav-wrap{
  position:fixed;
  left:0;top:0;
  width:var(--nav-w);
  height:100vh;
  z-index:80;
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,rgba(16,26,30,.96),rgba(10,16,20,.96));
  border-right:1px solid var(--line-soft);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
  transition:transform var(--tr),width var(--tr);
}
.brand{
  height:88px;
  flex:0 0 88px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 20px;
  border-bottom:1px solid var(--line-soft);
}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;color:var(--text);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--primary);letter-spacing:.14em}
.side-nav{
  flex:1 1 auto;
  overflow-y:auto;
  padding:18px 14px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-3);
  font-size:14.5px;
  white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-link svg{flex:0 0 20px;opacity:.9}
.nav-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.nav-link.active{
  background:rgba(43,224,166,.10);
  color:var(--primary);
}
.nav-link.active::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
}
.nav-cta{
  margin:0 20px 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04140F;
  font-weight:600;
  font-size:14.5px;
  box-shadow:var(--glow);
  transition:transform var(--tr),box-shadow var(--tr);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(43,224,166,.5),0 16px 34px rgba(43,224,166,.28)}
.nav-cta:active{transform:scale(.98)}

/* ===== 顶部条（移动端） ===== */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:70;
  height:64px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(10,16,20,.86);
  backdrop-filter:blur(16px) saturate(120%);
  border-bottom:1px solid var(--line-soft);
}
.topbar .brand-mini{display:flex;align-items:center;gap:10px}
.topbar .brand-mini strong{font-size:15px;color:var(--text)}
.topbar .brand-mini em{font-style:normal;font-size:10.5px;color:var(--primary);letter-spacing:.12em;display:block;line-height:1}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ===== 抽屉 ===== */
.overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);
  z-index:90;
}
.overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;left:0;
  width:280px;height:100%;
  z-index:95;
  background:linear-gradient(180deg,rgba(16,26,30,.98),rgba(10,16,20,.98));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(120%);
  transform:translateX(-100%);
  transition:transform var(--tr);
  display:flex;
  flex-direction:column;
  padding-bottom:20px;
}
.drawer.open{transform:translateX(0)}
.drawer .brand{border-bottom:1px solid var(--line-soft)}
.drawer-nav{padding:16px 14px;display:flex;flex-direction:column;gap:6px}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  padding:28px 0 20px;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(143,163,173,.55)}
.breadcrumb .current{color:var(--primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章布局 ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
  padding-bottom:72px;
}
.article-main{max-width:760px;min-width:0}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  background:rgba(43,224,166,.12);
  border:1px solid rgba(43,224,166,.3);
  color:var(--primary-l);
}
.badge.accent{background:rgba(255,138,61,.12);border-color:rgba(255,138,61,.34);color:#FFB588}

.article-head{padding-bottom:22px;border-bottom:1px solid var(--line-soft)}
.article-title{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.25;
  margin:16px 0 14px;
  letter-spacing:-.01em;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--text-3);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{opacity:.8}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(143,163,173,.5)}

/* ===== 正文排版 ===== */
.article-body{
  padding-top:28px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.2vw,26px);
  line-height:1.4;
  margin:40px 0 18px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-d));
}
.article-body h3{font-size:19px;margin:30px 0 14px;color:var(--text)}
.article-body h4{font-size:17px;margin:26px 0 12px;color:var(--text)}
.article-body a{color:var(--primary-l);border-bottom:1px solid rgba(43,224,166,.35)}
.article-body a:hover{color:var(--primary)}
.article-body strong{color:var(--text);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--primary);
}
.article-body ol{list-style:none;counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.15em;
  width:20px;height:20px;
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-size:12px;font-weight:700;
  color:var(--primary);
  background:rgba(43,224,166,.12);
  border-radius:6px;
}
.article-body blockquote{
  margin:0 0 1.4em;
  padding:16px 20px;
  background:var(--glass);
  border-left:2px solid var(--primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--r-img);
  margin:22px 0 10px;
  border:1px solid var(--line-soft);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.article-body figure{margin:0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:24px;
}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  margin:0 0 1.5em;
  font-size:14.5px;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line-soft);
  text-align:left;
  white-space:nowrap;
}
.article-body th{color:var(--text);background:rgba(255,255,255,.04);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13.5px;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(255,255,255,.07);
  color:var(--primary-l);
}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:34px 0}

/* ===== 空态 ===== */
.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  padding:36px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
}
.empty-state .empty-icon{
  width:52px;height:52px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.26);
  color:var(--primary);
}
.empty-state h3{font-size:18px}
.empty-state p{font-size:14.5px;color:var(--text-3);max-width:420px}

/* ===== 标签 / 上下篇 ===== */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:40px 0 0;
  padding-top:24px;
  border-top:1px solid var(--line-soft);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color var(--tr),color var(--tr),transform var(--tr);
}
.tag:hover{border-color:rgba(43,224,166,.45);color:var(--primary);transform:translateY(-2px)}

.next-cards{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:28px;
}
.next-card{
  display:block;
  padding:18px 20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.next-card:hover{transform:translateY(-4px);border-color:rgba(43,224,166,.4);box-shadow:var(--shadow)}
.next-card small{display:block;font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-bottom:8px}
.next-card strong{display:block;font-size:15.5px;color:var(--text);font-weight:600;line-height:1.5}

/* ===== 侧栏 ===== */
.article-aside{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.aside-card{
  padding:20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
}
.aside-title{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.aside-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-link{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--text-3);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:color var(--tr),background var(--tr),border-color var(--tr);
}
.toc-link:hover{color:var(--primary);background:rgba(43,224,166,.08);border-left-color:var(--primary)}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-item{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:border-color var(--tr),transform var(--tr);
}
.aside-item:hover{border-color:rgba(43,224,166,.4);transform:translateY(-3px)}
.aside-item strong{display:block;font-size:14.5px;color:var(--text);line-height:1.55;font-weight:600}
.aside-item span{display:block;font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ===== 相关推荐 ===== */
.related{padding:8px 0 88px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
}
.section-head p{font-size:14.5px;color:var(--text-3);margin-top:8px}
.link-more{
  font-size:14px;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.link-more:hover{color:var(--primary-l)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.card:hover{transform:translateY(-6px);border-color:rgba(43,224,166,.4);box-shadow:var(--shadow-hover)}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(140deg,rgba(43,224,166,.14),rgba(255,138,61,.08));
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;top:12px;right:12px;backdrop-filter:blur(8px)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.card-foot .arrow{color:var(--primary);transition:transform var(--tr)}
.card:hover .card-foot .arrow{transform:translateX(4px)}

/* ===== CTA 横幅 ===== */
.cta-banner{
  margin:0 0 88px;
  border-radius:22px;
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background:linear-gradient(120deg,rgba(43,224,166,.10),rgba(43,224,166,.02) 60%,rgba(255,138,61,.06));
  border:1px solid rgba(43,224,166,.24);
  box-shadow:0 0 0 1px rgba(255,255,255,.04) inset,0 20px 46px rgba(0,0,0,.4);
}
.cta-banner h2{font-size:clamp(20px,2.2vw,27px);line-height:1.35}
.cta-banner p{font-size:14.5px;color:var(--text-3);margin-top:10px;max-width:560px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr),background var(--tr),color var(--tr);
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(43,224,166,.5),0 16px 36px rgba(43,224,166,.3)}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(43,224,166,.45);color:var(--primary);transform:translateY(-3px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ===== 页脚 ===== */
.footer{
  margin-top:auto;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(12,20,24,.6),rgba(10,16,20,.95));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:16px;color:var(--text);display:block;line-height:1.2}
.footer-brand em{font-style:normal;font-size:11px;color:var(--primary);letter-spacing:.14em}
.footer p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:330px}
.footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary)}
.footer-text{font-size:14px;color:var(--text-3)}
.social-row{display:flex;gap:10px;margin-top:20px}
.social{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-3);
  transition:color var(--tr),border-color var(--tr),transform var(--tr);
}
.social:hover{color:var(--primary);border-color:rgba(43,224,166,.45);transform:translateY(-3px)}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1279px) and (min-width:1024px){
  :root{--nav-w:88px}
  .side-nav-wrap{width:88px}
  .brand{justify-content:center;padding:0}
  .brand-text{display:none}
  .nav-link{justify-content:center;padding:0}
  .nav-text{display:none}
  .nav-link::after{
    content:attr(data-tip);
    position:absolute;
    left:74px;
    top:50%;
    transform:translateY(-50%) scale(.96);
    background:rgba(16,26,30,.98);
    border:1px solid var(--line);
    color:var(--text);
    font-size:13px;
    padding:6px 12px;
    border-radius:8px;
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity var(--tr),transform var(--tr);
    z-index:90;
  }
  .nav-link:hover::after{opacity:1;transform:translateY(-50%) scale(1)}
  .nav-cta{margin:0 14px 24px;height:44px;padding:0;font-size:0}
  .nav-cta svg{width:20px;height:20px}
  .side-nav{padding:18px 14px}
}
@media (max-width:1023px){
  :root{--nav-w:0px}
  .side-nav-wrap{transform:translateX(-100%);width:280px}
  .side-nav-wrap.open{transform:translateX(0)}
  .page-wrap{padding-left:0}
  .topbar{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-aside{position:static;top:auto}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer p{max-width:none}
  .cta-banner{padding:30px;flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-body{font-size:15.5px}
  .article-body h2{margin-top:32px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .next-cards{grid-template-columns:minmax(0,1fr)}
  .related{padding-bottom:56px}
  .cta-banner{margin-bottom:56px;padding:26px 22px}
  .cta-banner .btn{width:100%}
  .footer{padding-top:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .breadcrumb{font-size:13px;padding-top:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .btn{width:100%}
  .btn.w-auto{width:auto}
  .empty-state{padding:28px 18px}
}

/* roulang page: category2 */
:root{
  --bg:#0A1014;
  --panel:#101A1E;
  --panel-3:#0C1418;
  --primary:#2BE0A6;
  --primary-deep:#16B583;
  --primary-light:#7DF0C8;
  --accent:#FF8A3D;
  --text:#E8F1EE;
  --body:#C7D6D1;
  --muted:#8FA3AD;
  --danger:#FF6B6B;
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-card-hover:0 24px 56px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(43,224,166,.35),0 10px 30px rgba(43,224,166,.22);
  --side-w:240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,224,166,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A1014}
::-webkit-scrollbar-thumb{background:rgba(43,224,166,.22);border-radius:99px;border:2px solid #0A1014}
::-webkit-scrollbar-thumb:hover{background:rgba(43,224,166,.38)}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.wide{max-width:1320px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--side-w);height:100vh;z-index:60;
  display:flex;flex-direction:column;
  background:rgba(10,16,20,.9);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-right:1px solid var(--line);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.03);
}
.brand{
  height:88px;flex:0 0 88px;display:flex;align-items:center;gap:10px;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(43,224,166,.18),rgba(43,224,166,.02));
  border:1px solid rgba(43,224,166,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:16px;color:var(--text);font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary);opacity:.9}

.side-nav{flex:1 1 auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:0 14px;border-radius:12px;
  color:var(--muted);font-size:14.5px;font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link svg{flex:0 0 20px;opacity:.85}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(.3);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--primary);
  opacity:0;transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav-link:hover::before{opacity:.5;transform:translateY(-50%) scaleY(.7)}
.nav-link.active{background:rgba(43,224,166,.10);color:var(--primary);font-weight:600}
.nav-link.active::before{opacity:1;transform:translateY(-50%) scaleY(1)}
.nav-link.active svg{opacity:1}
.side-cta{padding:0 20px 24px}
.side-cta .btn{width:100%}

/* ---------- 顶部导航（移动端） ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:64px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,16,20,.86);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  border-bottom:1px solid var(--line);
}
.topbar .brand{height:auto;flex:0 0 auto;padding:0;border:0}
.hamburger{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.hamburger:hover{background:rgba(43,224,166,.12);border-color:rgba(43,224,166,.4)}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  background:rgba(12,20,24,.94);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  border-right:1px solid var(--line);
  transform:translateX(-104%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer .brand{border-bottom:1px solid var(--line)}
.overlay{
  position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.overlay.show{opacity:1;visibility:visible}

/* ---------- 内容区 ---------- */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.section{padding:88px 0}
.section.alt{background:var(--panel-3);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:28px 0 0;font-size:14px;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.22)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:56px 0 88px;
  background:
    repeating-linear-gradient(135deg,rgba(43,224,166,.075) 0 1px,transparent 1px 15px),
    radial-gradient(900px 520px at 88% -10%,rgba(43,224,166,.13),transparent 62%),
    linear-gradient(180deg,#0C1418,#0A1014);
  border-bottom:1px solid var(--line-soft);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,224,166,.35),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.26);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block;box-shadow:0 0 0 4px rgba(43,224,166,.16)}
.hero-title{
  margin:22px 0 0;font-size:clamp(30px,4.4vw,54px);line-height:1.15;letter-spacing:-.01em;font-weight:700;
}
.hero-title span{color:var(--primary)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--body);max-width:52ch}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-points{margin-top:32px;display:flex;flex-wrap:wrap;gap:22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.hero-points svg{color:var(--primary);flex:0 0 18px}

.hero-media{position:relative}
.media-frame{
  position:relative;padding:14px;border-radius:20px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px}
.score-chip{
  position:absolute;right:22px;bottom:22px;display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:14px;
  background:rgba(10,16,20,.82);border:1px solid rgba(255,138,61,.35);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  font-variant-numeric:tabular-nums;
}
.score-chip b{font-size:24px;line-height:1;color:var(--accent);font-weight:700;letter-spacing:.02em}
.score-chip span{font-size:12px;color:var(--muted);letter-spacing:.04em}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:26px 24px;text-align:left;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:1px;background:var(--line)}
.stat b{display:block;font-size:38px;line-height:1.05;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.stat b small{font-size:16px;color:var(--muted);font-weight:500;margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.02em}

/* ---------- 板块头 ---------- */
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.8}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary-light),var(--primary) 45%,var(--primary-deep));
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04140F;transform:translateY(-4px);box-shadow:0 0 0 1px rgba(43,224,166,.45),0 16px 38px rgba(43,224,166,.3)}
.btn-ghost{
  color:var(--text);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.btn-ghost:hover{color:var(--text);border-color:rgba(43,224,166,.4);background:rgba(43,224,166,.10);transform:translateY(-4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 内容卡网格 ---------- */
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:28px 26px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
  overflow:hidden;
}
.info-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 180px at 100% 0,rgba(43,224,166,.10),transparent 70%);
  opacity:0;transition:opacity .26s var(--ease);
}
.info-card:hover{
  transform:translateY(-6px);border-color:rgba(43,224,166,.4);
  box-shadow:var(--shadow-card-hover),inset 0 1px 0 rgba(255,255,255,.14);
  background:var(--glass-strong);
}
.info-card:hover::after{opacity:1}
.card-num{
  font-size:30px;line-height:1;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.card-title{font-size:19px;font-weight:600;color:var(--text)}
.card-desc{font-size:14.5px;line-height:1.8;color:var(--muted)}
.card-foot{margin-top:auto;padding-top:10px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--primary)}
.card-foot svg{transition:transform .26s var(--ease)}
.info-card:hover .card-foot svg{transform:translateX(5px)}

/* ---------- 编号说明区 ---------- */
.points{display:flex;flex-direction:column;gap:24px;max-width:820px}
.point{display:flex;gap:18px;align-items:flex-start}
.point-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--primary);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  font-variant-numeric:tabular-nums;
}
.point h3{font-size:17.5px;margin-bottom:6px}
.point p{font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  padding:24px 22px;border-radius:var(--radius-card);position:relative;
  background:var(--panel);border:1px solid var(--line-soft);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(43,224,166,.35)}
.step em{
  font-style:normal;display:block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 互链胶囊 ---------- */
.crosslinks{display:flex;flex-wrap:wrap;gap:14px}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--text);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.pill-link:hover{color:var(--primary);border-color:rgba(43,224,166,.45);background:rgba(43,224,166,.10);transform:translateY(-3px)}
.pill-link svg{transition:transform .22s var(--ease)}
.pill-link:hover svg{transform:translateX(4px)}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:20px;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:linear-gradient(120deg,rgba(43,224,166,.14),rgba(43,224,166,.04) 55%,rgba(255,138,61,.07));
  border:1px solid rgba(43,224,166,.24);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(43,224,166,.06) 0 1px,transparent 1px 16px);
}
.cta-banner > *{position:relative;z-index:1}
.cta-banner h2{font-size:clamp(22px,2.3vw,30px);line-height:1.3}
.cta-banner p{margin-top:10px;font-size:15px;color:var(--body);max-width:56ch}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  border-radius:14px;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:rgba(43,224,166,.35)}
.faq-item.open{background:var(--glass-strong);border-color:rgba(43,224,166,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--primary);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(43,224,166,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:auto;background:var(--panel-3);border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand span{display:flex;flex-direction:column;line-height:1.2}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary);margin-top:3px}
.footer p{font-size:14px;color:var(--muted);line-height:1.85;max-width:34ch}
.footer h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary)}
.social-row{display:flex;gap:10px;margin-top:20px}
.social{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  transition:transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.social:hover{color:var(--primary);border-color:rgba(43,224,166,.45);background:rgba(43,224,166,.10);transform:translateY(-3px)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line-soft);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom nav{display:flex;gap:18px}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side-w:88px}
  .brand{justify-content:center;padding:0}
  .brand-text{display:none}
  .side-nav{padding:16px 12px}
  .nav-link{justify-content:center;padding:0}
  .nav-text{display:none}
  .nav-link:hover::after{
    content:attr(data-tip);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);
    padding:7px 12px;border-radius:10px;white-space:nowrap;font-size:13px;
    background:rgba(12,20,24,.96);border:1px solid var(--line);color:var(--text);
    box-shadow:0 12px 28px rgba(0,0,0,.5);z-index:5;display:block;
  }
  .side-cta{padding:0 12px 20px}
  .side-cta .btn span{display:none}
  .side-cta .btn{padding:0;height:46px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0}
  .section{padding:64px 0}
  .cat-hero{padding:36px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat + .stat::before{display:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .cards-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat b{font-size:32px}
  .hero-title{margin-top:18px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px 22px}
  .cta-banner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a p{padding:0 18px 20px}
}
@media (max-width:519px){
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:20px 14px}
  .stat b small{display:block;margin:4px 0 0}
  .card-num{font-size:26px}
  .media-frame{padding:10px}
  .score-chip{right:14px;bottom:14px;padding:8px 12px}
  .score-chip b{font-size:20px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A1014;
  --panel:#101A1E;
  --panel-3:#0C1418;
  --primary:#2BE0A6;
  --primary-d:#16B583;
  --primary-l:#7DF0C8;
  --accent:#FF8A3D;
  --text:#E8F1EE;
  --body-text:#C7D6D1;
  --muted:#8FA3AD;
  --danger:#FF6B6B;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-icon:12px;
  --sh-card:0 18px 40px rgba(0,0,0,.45);
  --sh-card-h:0 24px 56px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(43,224,166,.35),0 10px 30px rgba(43,224,166,.22);
  --side:240px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter","PingFang SC",system-ui,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(43,224,166,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#070C0F;}
::-webkit-scrollbar-thumb{background:rgba(43,224,166,.28);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(43,224,166,.45);}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1320px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);
  background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.26);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;color:var(--text);}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--primary-l);}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:var(--side);height:100vh;
  display:flex;flex-direction:column;
  background:rgba(10,16,20,.92);
  border-right:1px solid var(--line-soft);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.sidebar-logo{
  height:88px;flex:0 0 88px;
  display:flex;align-items:center;gap:12px;
  padding:0 20px;
  border-bottom:1px solid var(--line-soft);
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:var(--r-icon);
  background:rgba(43,224,166,.10);
  border:1px solid rgba(43,224,166,.24);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.brand-text em{
  font-style:normal;font-size:11px;font-weight:600;letter-spacing:.10em;
  color:var(--primary);text-transform:none;
}
.side-nav{padding:18px 12px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:12px;
  color:var(--muted);font-size:14.5px;font-weight:500;
  border:1px solid transparent;
}
.nav-link svg{flex:0 0 20px;}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045);border-color:var(--line-soft);}
.nav-link.active{
  color:var(--primary);
  background:rgba(43,224,166,.10);
  border-color:rgba(43,224,166,.24);
}
.nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--primary);
}
.side-cta{
  margin:0 20px 24px;height:46px;
  display:flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04231A;font-weight:700;font-size:15px;
  box-shadow:var(--glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.side-cta:hover{transform:translateY(-2px);filter:brightness(1.06);}
.side-cta:active{transform:scale(.98);}

/* ============ 顶部移动导航 ============ */
.topbar{
  display:none;
  position:sticky;top:0;z-index:70;
  height:64px;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(10,16,20,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.topbar .brand-text strong{font-size:15px;}
.hamburger{
  width:44px;height:44px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);
}
.hamburger:hover{border-color:rgba(43,224,166,.4);color:var(--primary);}
.drawer{
  position:fixed;top:0;left:0;z-index:90;
  width:280px;max-width:84vw;height:100vh;
  background:rgba(12,20,24,.97);
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transform:translateX(-102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px 16px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft);margin-bottom:16px;}
.drawer-close{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:var(--glass);color:var(--muted);}
.drawer-close:hover{color:var(--text);border-color:rgba(43,224,166,.4);}
.drawer .nav-link{height:48px;font-size:15px;}
.drawer .side-cta{margin:20px 0 0;flex:0 0 auto;}
.overlay{
  position:fixed;inset:0;z-index:80;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.overlay.open{opacity:1;visibility:visible;}

/* ============ 内容区 ============ */
.page{padding-left:var(--side);min-height:100vh;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0;font-size:14px;color:var(--muted);}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.crumb-bar li{display:flex;align-items:center;gap:10px;}
.crumb-bar li+li::before{content:"/";color:rgba(255,255,255,.22);}
.crumb-bar a:hover{color:var(--primary);}
.crumb-bar .current{color:var(--primary);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:56px 0 80px;
  background:
    repeating-linear-gradient(115deg,rgba(43,224,166,.055) 0 1px,transparent 1px 15px),
    radial-gradient(900px 420px at 88% -10%,rgba(43,224,166,.10),transparent 62%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.16;letter-spacing:-.01em;
  font-weight:700;color:var(--text);margin:20px 0 18px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--body-text);max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.hero-points li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 0 4px rgba(43,224,166,.12);
}
.hero-media{position:relative;}
.media-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.10);
  padding:12px;
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);}
.score-badge{
  position:absolute;right:-6px;bottom:-14px;
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:14px;
  background:rgba(12,20,24,.94);
  border:1px solid rgba(255,138,61,.34);
  box-shadow:0 16px 34px rgba(0,0,0,.5);
}
.score-badge strong{font-family:var(--font-num);font-size:30px;line-height:1;color:var(--accent);font-weight:700;}
.score-badge span{font-size:12px;color:var(--muted);letter-spacing:.03em;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04231A;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(43,224,166,.45),0 16px 38px rgba(43,224,166,.28);}
.btn-ghost{
  background:var(--glass);color:var(--text);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:rgba(43,224,166,.42);color:var(--primary-l);}
.btn:active{transform:scale(.98);}
.btn-block{width:100%;}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  margin-top:-34px;position:relative;z-index:5;
}
.stat-item{padding:26px 24px;text-align:left;border-left:1px solid var(--line-soft);}
.stat-item:first-child{border-left:0;}
.stat-item strong{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1;color:var(--accent);font-weight:700;
}
.stat-item span{display:block;margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ============ 分类内容卡 ============ */
.core-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.core-card{
  display:flex;gap:20px;
  padding:20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease,background-color .26s ease;
}
.core-card:hover{
  transform:translateY(-6px);
  border-color:rgba(43,224,166,.40);
  box-shadow:var(--sh-card-h);
  background:rgba(255,255,255,.07);
}
.core-thumb{
  flex:0 0 168px;width:168px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line-soft);
}
.core-thumb img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.core-card:hover .core-thumb img{transform:scale(1.04);}
.core-body{min-width:0;display:flex;flex-direction:column;gap:8px;flex:1;}
.core-idx{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;line-height:1;font-weight:700;color:var(--accent);letter-spacing:.04em;
}
.core-body h3{font-size:19px;font-weight:600;color:var(--text);line-height:1.4;}
.core-body p{font-size:14px;line-height:1.7;color:var(--muted);}
.core-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--primary);font-weight:600;}
.core-card:hover .core-foot svg{transform:translateX(4px);}
.core-foot svg{transition:transform .26s ease;}

/* ============ 编号说明区 ============ */
.note-band{
  background:var(--panel-3);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.note-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.note-layout .note-side{position:sticky;top:96px;}
.note-layout .note-side h2{font-size:clamp(24px,2.4vw,32px);line-height:1.3;color:var(--text);font-weight:700;margin-bottom:14px;}
.note-layout .note-side p{font-size:14.5px;color:var(--muted);}
.note-list{display:flex;flex-direction:column;gap:26px;}
.note-item{display:flex;gap:18px;align-items:flex-start;}
.note-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:15px;font-weight:600;color:var(--primary);
  background:var(--glass);border:1px solid rgba(43,224,166,.28);
}
.note-item h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px;}
.note-item p{font-size:15px;line-height:1.82;color:var(--body-text);}

/* ============ 互链区 ============ */
.link-row{display:flex;flex-wrap:wrap;gap:14px;}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;font-weight:500;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .24s ease,border-color .24s ease,color .24s ease,background-color .24s ease;
}
.pill-link:hover{transform:translateY(-4px);border-color:rgba(43,224,166,.42);color:var(--primary-l);background:rgba(43,224,166,.08);}
.pill-link svg{color:var(--primary);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side h2{font-size:clamp(24px,2.4vw,32px);line-height:1.3;color:var(--text);font-weight:700;margin-bottom:14px;}
.faq-side p{font-size:14.5px;color:var(--muted);}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .24s ease,background-color .24s ease;
}
.faq-item+.faq-item{margin-top:12px;}
.faq-item[open]{border-color:rgba(43,224,166,.34);background:rgba(43,224,166,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--primary);
  transition:transform .24s ease,border-color .24s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:rgba(43,224,166,.45);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--body-text);}

/* ============ CTA 横幅 ============ */
.cta-band{
  border-radius:20px;
  padding:40px;
  background:linear-gradient(135deg,rgba(43,224,166,.10),rgba(43,224,166,.02));
  border:1px solid rgba(43,224,166,.24);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px rgba(0,0,0,.4);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;color:var(--text);font-weight:700;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--body-text);max-width:560px;}

/* ============ 页脚 ============ */
.footer{
  margin-top:88px;
  padding:64px 0 0;
  background:var(--panel-3);
  border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand span em{display:block;font-style:normal;font-size:11px;letter-spacing:.1em;color:var(--primary);font-weight:600;}
.footer-grid > div > p{font-size:14px;line-height:1.8;color:var(--muted);}
.footer h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--primary);}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  transition:transform .24s ease,color .24s ease,border-color .24s ease;
}
.social:hover{transform:translateY(-3px);color:var(--primary);border-color:rgba(43,224,166,.4);}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式：1024–1279 图标栏 ============ */
@media (max-width:1279px) and (min-width:1024px){
  :root{--side:88px;}
  .sidebar-logo{justify-content:center;padding:0;}
  .brand-text{display:none;}
  .side-nav{padding:18px 14px;align-items:center;}
  .nav-link{justify-content:center;padding:0;width:48px;}
  .nav-link.active::before{left:-14px;}
  .nav-text{display:none;}
  .nav-link::after{
    content:attr(data-tip);
    position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%) scale(.96);
    background:rgba(16,26,30,.98);border:1px solid var(--line);
    color:var(--text);font-size:13px;white-space:nowrap;
    padding:7px 12px;border-radius:8px;
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    box-shadow:0 10px 26px rgba(0,0,0,.5);z-index:80;
  }
  .nav-link:hover::after{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);}
  .side-cta{margin:0 14px 24px;width:60px;padding:0;}
  .side-cta span{display:none;}
}

/* ============ 响应式：<1024 顶部导航 ============ */
@media (max-width:1023px){
  :root{--side:0px;}
  .sidebar{display:none;}
  .topbar{display:flex;}
  .page{padding-left:0;}
  .section{padding:64px 0;}
  .hero{padding:40px 0 64px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .stat-bar{grid-template-columns:repeat(2,1fr);margin-top:-20px;}
  .stat-item:nth-child(3){border-left:0;}
  .stat-item{border-top:1px solid var(--line-soft);}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0;}
  .core-grid{grid-template-columns:1fr;}
  .note-layout{grid-template-columns:1fr;gap:32px;}
  .note-layout .note-side{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer{margin-top:64px;}
}

/* ============ 响应式：<768 ============ */
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .hero h1{font-size:clamp(28px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .core-card{flex-direction:column;}
  .core-thumb{flex:0 0 auto;width:100%;}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* ============ 响应式：<480 ============ */
@media (max-width:479px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .stat-item strong{font-size:32px;}
  .score-badge{padding:9px 13px;right:4px;bottom:-10px;}
  .score-badge strong{font-size:24px;}
  .faq-item summary{font-size:15.5px;padding:16px;}
  .pill-link{width:100%;justify-content:center;}
}