/* roulang page: index */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.12);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --danger:#FF5A5A;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:20px;
  --r-pill:999px;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06),0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12),0 24px 56px -20px rgba(0,0,0,.9);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Oswald","Barlow Condensed",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:16.5px;line-height:1.9;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:var(--primary-2)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
h1,h2,h3{letter-spacing:-.02em;font-weight:700}
h1{font-size:54px;line-height:1.15}
h2{font-size:32px;line-height:1.3}
h3{font-size:21px;line-height:1.45}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{flex:0 0 auto;width:100%;padding-left:12px;padding-right:12px;min-width:0}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-2)}
.eyebrow{
  font-family:var(--font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:inline-block}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:40px}
.section-head p.lead{color:var(--text-2);font-size:16px;max-width:640px;margin-top:12px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--accent);
  border-bottom:1px solid rgba(35,214,196,.5);padding-bottom:2px;
}
.text-link i{transition:transform .2s ease-out}
.text-link:hover{color:var(--primary-2);border-bottom-color:var(--primary)}
.text-link:hover i{transform:translateX(3px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,filter .18s ease-out;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-2),var(--primary));color:#10141a;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#10141a;box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 36px rgba(255,90,31,.5)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--stroke);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(35,214,196,.10);color:var(--text)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-sm{padding:10px 18px;font-size:14px}

/* ===== 标签 / 徽章 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--stroke);background:var(--panel);font-size:13px;color:var(--text-2);
}
.tag:hover{border-color:rgba(35,214,196,.5);color:var(--text)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(35,214,196,.45);background:rgba(35,214,196,.10);
  font-size:12px;color:var(--accent);letter-spacing:.04em;white-space:nowrap;
}
.badge-num{font-family:var(--font-num);letter-spacing:.08em;border-color:var(--stroke);background:var(--panel);color:var(--text-2)}
.badge-lime{border-color:rgba(217,242,75,.5);background:rgba(217,242,75,.10);color:var(--accent-2)}

/* ===== 公告条 ===== */
.notice{background:rgba(16,21,28,.9);border-bottom:1px solid var(--stroke);font-size:14px;position:relative;z-index:70}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:40px;padding-top:6px;padding-bottom:6px}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(255,90,31,.8);flex:0 0 auto}
.notice p{color:var(--text-2);font-size:13.5px;margin:0}
.notice-close{margin-left:auto;color:var(--text-3);padding:6px 8px;border-radius:var(--r-s);line-height:1}
.notice-close:hover{color:var(--text);background:var(--panel)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(11,14,18,.82);
  backdrop-filter:blur(14px) saturate(125%);-webkit-backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid transparent;transition:background .25s ease-out,border-color .25s ease-out;
}
.site-header.is-scrolled{background:rgba(11,14,18,.95);border-bottom-color:var(--stroke)}
.nav{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s ease-out}
.site-header.is-scrolled .nav{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700}
.logo:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--primary),#c93c09);color:#10141a;font-size:16px;flex:0 0 auto;
  box-shadow:0 0 18px rgba(255,90,31,.35);
}
.logo-text{font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text-2);
  display:inline-flex;align-items:center;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--text);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-badge{
  font-size:11px;line-height:1;padding:2px 6px;border-radius:var(--r-pill);margin-left:6px;
  border:1px solid rgba(217,242,75,.5);color:var(--accent-2);background:rgba(217,242,75,.08);
  font-family:var(--font-num);letter-spacing:.06em;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--stroke);background:var(--panel);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(35,214,196,.5);background:rgba(35,214,196,.10)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-m);border:1px solid var(--stroke);color:var(--text);align-items:center;justify-content:center;margin-left:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:95;
  background:#0C1116;border-left:1px solid var(--stroke);padding:24px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer a{padding:13px 12px;border-radius:var(--r-m);color:var(--text-2);font-size:16px;font-weight:500}
.drawer a:hover,.drawer a.is-active{background:var(--panel);color:var(--text)}
.drawer .btn{margin-top:auto;width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,9,.6);backdrop-filter:blur(2px);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== Hero ===== */
.hero{position:relative;display:flex;align-items:center;min-height:640px;padding:72px 0 64px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center right;opacity:.55}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,14,18,.97) 0%,rgba(11,14,18,.88) 46%,rgba(11,14,18,.5) 100%);
}
.hero>.container{position:relative;z-index:2}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:48px;margin-left:0;margin-right:0}
.hero-copy{flex:1 1 58%;min-width:0}
.hero-visual{flex:0 0 336px;max-width:336px}
.hero-brand{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,90,31,.4);background:rgba(255,90,31,.10);color:var(--primary-2);
  font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:22px;
}
.hero h1{font-size:54px;line-height:1.15;margin-bottom:18px}
.hero h1 span{color:var(--primary-2)}
.hero-sub{font-size:19px;color:var(--text-2);max-width:560px;margin-bottom:30px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-xl);
  backdrop-filter:blur(14px) saturate(125%);-webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);padding:24px;position:relative;overflow:hidden;
}
.hero-card::before{content:"";position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent)}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hero-card-head h2{font-size:16px;font-weight:600;letter-spacing:0}
.hero-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.1)}
.hero-stat:last-of-type{border-bottom:0}
.hero-stat .k{font-size:14px;color:var(--text-2)}
.hero-stat .v{font-family:var(--font-num);font-size:22px;font-weight:600;color:var(--text)}
.hero-card-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-3)}

/* ===== 卡片 ===== */
.card{
  position:relative;height:100%;
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-l);
  backdrop-filter:blur(14px) saturate(125%);-webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease-out,box-shadow .2s ease-out;
}
.card::before{content:"";position:absolute;top:0;left:16px;right:16px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);z-index:3}
.card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.45);box-shadow:var(--shadow-2)}
.card-body{padding:22px 22px 24px}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:12px;margin:14px 14px 0;background:#0d1218}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,18,0) 45%,rgba(11,14,18,.65) 100%)}
.card-num{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--font-num);font-size:14px;letter-spacing:.08em;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(11,14,18,.7);border:1px solid var(--stroke);color:var(--accent);
}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--text-2);font-size:15px;line-height:1.8}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--stroke);
  font-size:13.5px;color:var(--text-3);
}
.card-foot .text-link{font-size:13.5px}
.card-list{margin-top:14px}

/* ===== 精选条目 ===== */
.feature-card{
  position:relative;height:100%;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--stroke);background:var(--panel);box-shadow:var(--shadow-1);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease-out,box-shadow .2s ease-out;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.45);box-shadow:var(--shadow-2)}
.feature-media{position:relative;aspect-ratio:4/3;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,18,.1) 30%,rgba(11,14,18,.92) 100%)}
.feature-content{position:absolute;left:0;right:0;bottom:0;padding:26px}
.feature-content h3{font-size:24px;margin:12px 0 10px}
.feature-content p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.compact-list{display:flex;flex-direction:column;gap:12px;height:100%}
.compact-item{
  display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:var(--r-l);
  background:var(--panel);border:1px solid var(--stroke);position:relative;overflow:hidden;
  transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.compact-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;
}
.compact-item:hover{background:rgba(255,255,255,.055);border-color:rgba(35,214,196,.4);transform:translateX(2px)}
.compact-item:hover::before{transform:scaleY(1)}
.compact-num{font-family:var(--font-num);font-size:15px;color:var(--accent);letter-spacing:.08em;flex:0 0 auto}
.compact-main{flex:1 1 auto;min-width:0}
.compact-main h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px;color:var(--text)}
.compact-main span{font-size:13px;color:var(--text-3)}
.compact-item>i{color:var(--text-3);transition:transform .2s ease-out,color .2s ease-out}
.compact-item:hover>i{color:var(--accent);transform:translateX(3px)}

/* ===== 数据条 ===== */
.stat-bar{
  border:1px solid var(--stroke);border-radius:var(--r-xl);background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);box-shadow:var(--shadow-1);overflow:hidden;
}
.stat{padding:30px 24px;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--stroke)}
.stat .num{font-family:var(--font-num);font-size:40px;font-weight:600;line-height:1;color:var(--text);display:block;margin-bottom:10px}
.stat .num em{font-style:normal;font-size:20px;color:var(--primary-2);margin-left:4px}
.stat .label{font-size:14px;color:var(--text-2)}

/* ===== 最新信息列表 ===== */
.post-list{display:flex;flex-direction:column;gap:12px}
.post-item{
  border:1px solid var(--stroke);border-radius:var(--r-l);background:var(--panel);
  position:relative;overflow:hidden;transition:background .2s ease-out,border-color .2s ease-out;
}
.post-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;
}
.post-item:hover{background:rgba(255,255,255,.055);border-color:rgba(35,214,196,.4)}
.post-item:hover::before{transform:scaleY(1)}
.post-link{display:flex;align-items:center;gap:20px;padding:20px 24px;color:var(--text)}
.post-link:hover{color:var(--text)}
.post-num{font-family:var(--font-num);font-size:15px;color:var(--accent);letter-spacing:.08em;flex:0 0 auto;min-width:28px}
.post-main{flex:1 1 auto;min-width:0}
.post-title{display:block;font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px}
.post-excerpt{
  display:block;font-size:14.5px;color:var(--text-2);line-height:1.7;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-meta{display:flex;align-items:center;gap:14px;flex:0 0 auto;font-size:13px;color:var(--text-3)}
.post-meta i{color:var(--text-3);transition:transform .2s ease-out,color .2s ease-out}
.post-item:hover .post-meta i{color:var(--accent);transform:translateX(3px)}
.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--stroke);border-radius:var(--r-l);
  background:var(--panel);color:var(--text-2);font-size:15px;
}
.empty-state i{display:block;font-size:28px;color:var(--text-3);margin-bottom:14px}

/* ===== FAQ ===== */
.faq .accordion{background:transparent;margin:0;border:0;display:flex;flex-direction:column;gap:14px}
.faq .accordion-item{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-l);
  overflow:hidden;backdrop-filter:blur(14px) saturate(125%);box-shadow:var(--shadow-1);
}
.faq .accordion-title{
  display:flex;align-items:center;gap:18px;padding:22px 64px 22px 24px;border:0;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;position:relative;
  transition:background .2s ease-out;
}
.faq .accordion-title:hover{background:rgba(255,255,255,.045);color:var(--text)}
.faq .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:24px;font-weight:400;color:var(--accent);transition:transform .25s ease-out;
}
.faq .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.faq-num{font-family:var(--font-num);font-size:15px;color:var(--primary-2);letter-spacing:.08em;flex:0 0 auto}
.faq .accordion-content{
  padding:0 24px 24px 66px;border:0;background:transparent;
  font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:840px;
}
.faq .accordion-content p{margin-bottom:10px}
.faq .accordion-content p:last-child{margin-bottom:0}

/* ===== CTA ===== */
.cta-section{position:relative;overflow:hidden;padding:88px 0}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.32}
.cta-section::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,18,.9),rgba(11,14,18,.96))}
.cta-section>.container{position:relative;z-index:2}
.cta-panel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;border-radius:var(--r-xl);border:1px solid var(--stroke);
  background:var(--panel);backdrop-filter:blur(14px) saturate(125%);box-shadow:var(--shadow-1);
}
.cta-copy{max-width:560px}
.cta-copy h2{font-size:30px;margin-bottom:12px}
.cta-copy p{color:var(--text-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-2);border-top:1px solid var(--stroke);padding:72px 0 0;position:relative}
.footer-grid{gap:36px 0}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14.5px;color:var(--text-2);max-width:260px;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3)}
.footer-contact i{color:var(--accent);width:16px;text-align:center}
.footer-title{font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:0}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  h1{font-size:38px}
  .hero h1{font-size:38px}
  h2{font-size:27px}
  .section{padding:64px 0}
  .cta-section{padding:64px 0}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .hero{min-height:auto;padding:64px 0 56px}
  .hero-grid{gap:36px}
  .hero-copy{flex:1 1 100%}
  .hero-visual{flex:1 1 100%;max-width:100%}
  .grid-x>.medium-6{width:50%}
  .feature-content{position:static;padding:24px}
  .feature-media{aspect-ratio:16/9}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  h1{font-size:32px}
  .hero h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:19px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .cta-section{padding:56px 0}
  .nav{height:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero{padding:48px 0 44px;min-height:520px}
  .hero-sub{font-size:16.5px}
  .hero-cta .btn{width:100%}
  .stat{padding:22px 18px}
  .stat .num{font-size:32px}
  .stat:nth-child(odd)::before{display:none}
  .stat:nth-child(n+3)::before{top:0;bottom:auto;left:18px;right:18px;width:auto;height:1px}
  .post-link{flex-wrap:wrap;gap:12px;padding:18px}
  .post-excerpt{white-space:normal}
  .post-meta{width:100%;justify-content:space-between}
  .cta-panel{padding:28px 22px}
  .cta-actions .btn{width:100%}
  .faq .accordion-title{padding:18px 56px 18px 18px;font-size:16px}
  .faq .accordion-content{padding:0 18px 20px 18px}
  .footer-bottom{flex-direction:column}
}
@media screen and (min-width:1025px){
  .grid-x>.large-3{width:25%}
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-5{width:41.6667%}
  .grid-x>.large-6{width:50%}
  .grid-x>.large-7{width:58.3333%}
}
@media screen and (min-width:641px) and (max-width:1024px){
  .grid-x>.medium-6{width:50%}
}

/* roulang page: article */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.12);
  --stroke-2:rgba(255,255,255,.22);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --danger:#FF5A5A;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06), 0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12), 0 24px 56px -20px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
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;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(255,90,31,.4);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;min-width:0;}
@media screen and (min-width:641px){
  .grid-x>.medium-6{width:50%;}
}
@media screen and (min-width:1025px){
  .grid-x>.large-3{width:25%;}
  .grid-x>.large-4{width:33.3333%;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(11,14,18,.78);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,12,16,.94);
  border-bottom-color:var(--stroke);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:76px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#FF3D00);
  color:#fff;
  font-size:15px;
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 10px 24px -12px rgba(255,90,31,.9);
}
.logo-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links>a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s var(--ease);
}
.nav-links>a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:100%;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links>a:hover,.nav-links>a:focus-visible{color:var(--text);}
.nav-links>a:hover::after,.nav-links>a:focus-visible::after{transform:scaleX(1);}
.nav-links>a.is-active{color:var(--text);}
.nav-links>a.is-active::after{transform:scaleX(1);background:var(--primary);}
.nav-badge{
  font-size:11px;
  line-height:1;
  padding:4px 7px;
  border-radius:var(--r-pill);
  border:1px solid rgba(35,214,196,.45);
  background:rgba(35,214,196,.12);
  color:var(--accent);
  letter-spacing:.04em;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  border:1px solid var(--stroke);
  background:var(--panel);
  color:var(--text-2);
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(35,214,196,.10);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-sm);
  border:1px solid var(--stroke);
  background:var(--panel);
  color:var(--text);
  font-size:16px;
  place-items:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(150deg,var(--primary),#F0470C);
  color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 0 36px rgba(255,90,31,.5);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--stroke);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--accent);
  background:rgba(35,214,196,.10);
  color:var(--accent);
}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  border-bottom:1px solid rgba(35,214,196,.5);
  padding-bottom:3px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow i{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--primary);border-bottom-color:var(--primary);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .cur{color:var(--primary);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  padding:26px 0 44px;
  border-bottom:1px solid var(--stroke);
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 320px at 12% -20%,rgba(255,90,31,.18),transparent 70%),
    radial-gradient(600px 300px at 92% 0%,rgba(35,214,196,.13),transparent 72%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--accent);
  border:1px solid rgba(35,214,196,.4);
  background:rgba(35,214,196,.10);
}
.article-title{
  margin:18px 0 0;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.02em;
  max-width:22ch;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:22px;
  font-size:14px;
  color:var(--text-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--text-3);font-size:13px;}
.meta-divider{width:1px;height:14px;background:var(--stroke);}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;}
.share-group button,.share-group a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  border:1px solid var(--stroke);
  background:var(--panel);
  color:var(--text-2);
  font-size:14px;
  transition:all .2s var(--ease);
}
.share-group button:hover,.share-group a:hover{
  color:var(--accent);
  border-color:var(--accent);
  background:rgba(35,214,196,.10);
}

/* ---------- 封面 ---------- */
.article-cover{
  max-width:860px;
  margin:36px auto 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-1);
  aspect-ratio:16/9;
  background:var(--bg-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 正文 ---------- */
.article-shell{
  max-width:860px;
  margin:0 auto;
  padding:48px 0 8px;
}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.95;
  color:#DCE3E9;
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:clamp(24px,3vw,30px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  margin:40px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.3em;bottom:.3em;
  width:3px;
  border-radius:3px;
  background:var(--primary);
}
.article-body h3{font-size:22px;line-height:1.45;margin:32px 0 12px;color:var(--text);}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--text);}
.article-body strong{color:#fff;}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--panel);
  color:var(--text-2);
}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body img{border-radius:var(--r-md);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(35,214,196,.45);transition:color .2s var(--ease),border-color .2s var(--ease);}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--stroke);
  padding:12px 14px;
  text-align:left;
}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600;}
.article-body code{
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  font-size:14px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--stroke);
  border-radius:var(--r-sm);
  padding:2px 6px;
  color:var(--accent-2);
}
.article-body hr{border:0;border-top:1px solid var(--stroke);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:560px;
  margin:56px auto;
  padding:48px 28px;
  text-align:center;
  border-radius:var(--r-xl);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{margin:16px 0 24px;color:var(--text-2);}

/* ---------- 标签 ---------- */
.tag-row{
  max-width:760px;
  margin:44px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding-top:26px;
  border-top:1px solid var(--stroke);
}
.tag-row .tag-label{font-size:13px;color:var(--text-3);letter-spacing:.06em;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 13px;
  font-size:13px;
  border-radius:var(--r-pill);
  border:1px solid var(--stroke);
  background:var(--panel);
  color:var(--text-2);
  transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--accent);color:var(--accent);background:rgba(35,214,196,.10);}

/* ---------- 收藏分享条 ---------- */
.share-bar{
  max-width:760px;
  margin:28px auto 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:16px 20px;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
}
.share-bar .sb-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;}
.share-bar .sb-title i{color:var(--primary);}
.share-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--text-2);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.55);box-shadow:var(--shadow-2);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:18px;line-height:1.5;font-weight:600;}
.card .card-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  font-size:12px;
  border-radius:var(--r-pill);
  border:1px solid rgba(35,214,196,.4);
  background:rgba(35,214,196,.10);
  color:var(--accent);
}

/* ---------- 返回入口 ---------- */
.back-wrap{max-width:760px;margin:44px auto 0;}
.back-wrap .btn{width:100%;}

/* ---------- CTA 条 ---------- */
.cta-strip{padding:72px 0 88px;}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--stroke);
  background:
    radial-gradient(520px 220px at 12% 0%,rgba(255,90,31,.20),transparent 70%),
    radial-gradient(520px 240px at 88% 100%,rgba(35,214,196,.16),transparent 72%),
    var(--bg-2);
  padding:56px 48px;
  box-shadow:var(--shadow-1);
}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;max-width:18ch;}
.cta-inner p{margin-top:14px;color:var(--text-2);max-width:58ch;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(16,21,28,.6),rgba(11,14,18,1));
  padding:64px 0 28px;
}
.footer-grid>.cell{margin-bottom:34px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:22ch;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--text-3);}
.footer-contact li{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--accent);}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--text);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:16px;
  padding-top:22px;
  border-top:1px solid var(--stroke);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 20px;}
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:290px;
    max-width:88vw;
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:88px 24px 32px;
    background:rgba(9,12,16,.985);
    backdrop-filter:blur(18px);
    border-left:1px solid var(--stroke);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    z-index:130;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links>a{width:100%;padding:13px 0;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07);}
  .nav-links>a::after{display:none;}
  .nav-links>a.is-active{color:var(--primary);}
  .nav-toggle{display:grid;}
  .article-hero{padding:18px 0 36px;}
  .article-shell{padding:36px 0 8px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{padding:44px 32px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .nav{height:64px;gap:12px;}
  .site-header.is-scrolled .nav{height:60px;}
  .logo-mark{width:30px;height:30px;font-size:13px;}
  .logo-text{font-size:16px;}
  .nav-actions .icon-btn{display:none;}
  .article-title{max-width:none;}
  .article-meta{gap:8px 16px;font-size:13.5px;}
  .share-group{margin-left:0;width:100%;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:23px;margin-top:34px;}
  .article-body h3{font-size:19.5px;}
  .related{padding:56px 0 0;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .share-bar{flex-direction:column;align-items:flex-start;}
  .cta-strip{padding:56px 0;}
  .cta-inner{padding:36px 22px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:56px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .nav-actions .btn-sm{padding:8px 13px;font-size:13px;}
  .article-cover{border-radius:var(--r-md);}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.035);
  --stroke:rgba(255,255,255,.12);
  --stroke-2:rgba(255,255,255,.07);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --danger:#FF5A5A;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --radius-s:8px;
  --radius:16px;
  --radius-l:20px;
  --pill:999px;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06),0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12),0 24px 56px -20px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:14px;}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-2);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,90,31,.35);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,18,.82);
  border-bottom:1px solid var(--stroke-2);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(9,11,15,.95);border-bottom-color:var(--stroke);}
.nav{
  display:flex;align-items:center;gap:24px;
  height:76px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#c53a06);
  color:#fff;font-size:15px;
  box-shadow:0 0 18px rgba(255,90,31,.32),inset 0 1px 0 rgba(255,255,255,.28);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links > a{
  position:relative;
  padding:8px 12px;border-radius:var(--radius-s);
  font-size:15px;font-weight:500;color:var(--text-2);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links > a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links > a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-links > a:hover::after{transform:scaleX(1);}
.nav-links > a.is-active{color:var(--text);}
.nav-links > a.is-active::after{transform:scaleX(1);}
.nav-badge{
  font-size:11px;line-height:1;padding:3px 6px;border-radius:var(--pill);
  border:1px solid rgba(35,214,196,.5);
  background:rgba(35,214,196,.1);
  color:var(--accent);
  font-weight:600;letter-spacing:.06em;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);
  background:var(--panel);
  color:var(--text-2);font-size:15px;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(35,214,196,.55);background:rgba(35,214,196,.08);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--stroke);background:var(--panel);color:var(--text);font-size:17px;
}
.nav-toggle:hover{color:var(--accent);border-color:rgba(35,214,196,.55);}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:rgba(13,17,23,.97);
  border-left:1px solid var(--stroke);
  backdrop-filter:blur(16px);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
  padding:20px 20px 28px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--stroke);background:transparent;color:var(--text-2);font-size:16px;}
.drawer-close:hover{color:var(--primary-2);}
.drawer-links{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-links a{
  padding:13px 12px;border-radius:12px;color:var(--text-2);font-size:15.5px;
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer-links a.is-active{color:var(--text);background:var(--panel);border-color:var(--stroke);}
.drawer-cta{width:100%;justify-content:center;margin-top:18px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,9,.7);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:all .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-2),var(--primary));
  color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.36),0 0 36px rgba(255,90,31,.48);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  background:transparent;border-color:var(--stroke);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(35,214,196,.6);background:rgba(35,214,196,.1);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14.5px;font-weight:600;
  border-bottom:1px solid rgba(35,214,196,.5);
  padding-bottom:2px;
}
.text-link i{transition:transform .2s var(--ease);}
.text-link:hover{color:var(--primary-2);border-bottom-color:var(--primary-2);}
.text-link:hover i{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:20px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--primary-2);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;margin-top:20px;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--stroke);
  min-height:360px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(8,10,14,.94) 8%,rgba(8,10,14,.68) 58%,rgba(8,10,14,.42)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.cat-hero-inner{padding:48px 44px;max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--pill);
  font-size:12px;letter-spacing:.08em;
  border:1px solid rgba(35,214,196,.42);
  background:rgba(35,214,196,.1);
  color:var(--accent);font-weight:600;
}
.tag.is-warm{border-color:rgba(255,90,31,.5);background:rgba(255,90,31,.12);color:var(--primary-2);}
.cat-hero h1{font-size:46px;line-height:1.18;font-weight:700;}
.cat-hero h1 span{color:var(--primary-2);}
.cat-hero .hero-sub{margin-top:14px;font-size:16.5px;color:var(--text-2);max-width:560px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:14px;color:var(--text-2);}
.hero-meta b{font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;font-size:20px;color:var(--text);margin-right:6px;letter-spacing:.02em;}

/* ============ 锚点目录条 ============ */
.anchor-bar{
  position:sticky;top:64px;z-index:40;
  margin-top:24px;
  background:rgba(13,17,23,.86);
  border:1px solid var(--stroke);border-radius:var(--pill);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  padding:8px 10px;
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;
  box-shadow:var(--shadow-1);
}
.anchor-bar::-webkit-scrollbar{height:0;}
.anchor-bar a{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--pill);
  font-size:14px;font-weight:500;color:var(--text-2);
  border:1px solid transparent;
}
.anchor-bar a:hover{color:var(--text);background:rgba(255,255,255,.06);border-color:var(--stroke);}
.anchor-bar a.is-current{color:#fff;background:rgba(255,90,31,.16);border-color:rgba(255,90,31,.45);}

/* ============ 主体布局 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.bg-alt{background:var(--bg-2);border-top:1px solid var(--stroke-2);border-bottom:1px solid var(--stroke-2);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.25;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:600;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}

.layout-split{margin-top:8px;}
.side-col{position:relative;}
.sticky-box{position:sticky;top:132px;}
.side-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  padding:22px;position:relative;overflow:hidden;
}
.side-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.14);}
.side-card + .side-card{margin-top:18px;}
.side-title{
  font-size:12px;letter-spacing:.12em;color:var(--text-3);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:12px;
  color:var(--text-2);font-size:15px;font-weight:500;
  border-left:2px solid transparent;
  transition:all .2s var(--ease);
}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--text);border-left-color:var(--primary);}
.toc-list .num{
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:13px;color:var(--text-3);letter-spacing:.06em;min-width:22px;
}
.toc-list a:hover .num{color:var(--primary-2);}
.quick-facts{display:flex;flex-direction:column;gap:12px;}
.quick-facts li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--text-2);border-bottom:1px dashed var(--stroke-2);padding-bottom:10px;}
.quick-facts li:last-child{border-bottom:0;padding-bottom:0;}
.quick-facts b{color:var(--text);font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;font-size:17px;letter-spacing:.02em;}

/* ============ 项目卡片列表 ============ */
.project-list{display:flex;flex-direction:column;gap:20px;}
.project-card{
  display:flex;gap:22px;align-items:stretch;
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  padding:20px;position:relative;overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.project-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.13);}
.project-card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.45);box-shadow:var(--shadow-2);}
.project-thumb{
  flex:0 0 232px;border-radius:14px;overflow:hidden;position:relative;
}
.project-thumb img{width:100%;height:100%;object-fit:cover;border-radius:14px;transition:transform .2s var(--ease);}
.project-card:hover .project-thumb img{transform:scale(1.04);}
.project-body{flex:1;display:flex;flex-direction:column;min-width:0;}
.card-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.seq{
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:14px;letter-spacing:.08em;font-weight:600;
  color:var(--primary-2);
  border:1px solid rgba(255,90,31,.42);background:rgba(255,90,31,.12);
  border-radius:var(--pill);padding:3px 10px;
}
.project-body h3{font-size:21px;line-height:1.4;}
.project-body p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  font-size:12.5px;padding:5px 11px;border-radius:var(--pill);
  border:1px solid var(--stroke);background:var(--panel-2);color:var(--text-2);
}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.card-foot .meta{font-size:13px;color:var(--text-3);}

/* ============ 选项目方法 ============ */
.pick-grid{margin-top:8px;}
.pick-card{
  height:100%;
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.pick-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.13);}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.45);}
.pick-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,31,.14);border:1px solid rgba(255,90,31,.35);color:var(--primary-2);
  font-size:18px;margin-bottom:18px;
}
.pick-card h3{font-size:20px;}
.pick-card p{margin-top:12px;color:var(--text-2);font-size:15px;}
.pick-card ul{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.pick-card ul li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.pick-card ul li i{color:var(--accent);font-size:12px;margin-top:8px;}

/* ============ 上手流程 ============ */
.steps{margin-top:8px;}
.step{
  height:100%;
  border:1px solid var(--stroke);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  padding:26px 24px;position:relative;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.step:hover{border-color:rgba(35,214,196,.45);transform:translateY(-4px);}
.step-num{
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:34px;line-height:1;color:rgba(255,255,255,.14);letter-spacing:.02em;
  display:block;margin-bottom:14px;
}
.step h3{font-size:18px;}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.step-line{height:1px;background:linear-gradient(90deg,rgba(255,90,31,.7),transparent);margin-top:18px;}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--stroke);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
}
.stat{padding:30px 24px;border-right:1px solid var(--stroke-2);}
.stat:last-child{border-right:0;}
.stat b{
  display:block;font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:38px;line-height:1.1;color:var(--text);letter-spacing:.01em;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--text-2);}
.stat i{color:var(--primary);font-style:normal;font-family:inherit;font-size:.62em;margin-left:3px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(35,214,196,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;
  background:transparent;border:0;color:var(--text);
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;
}
.faq-index{
  font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;
  font-size:15px;color:var(--primary-2);letter-spacing:.06em;flex-shrink:0;
}
.faq-q span.qtext{flex:1;}
.faq-mark{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);color:var(--text-2);font-size:13px;
  transition:transform .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .faq-mark{transform:rotate(45deg);color:var(--accent);border-color:rgba(35,214,196,.6);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease),padding .3s var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 22px 22px 60px;font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:760px;
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--stroke);
  background-image:linear-gradient(100deg,rgba(9,12,17,.95) 20%,rgba(9,12,17,.6)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
  padding:52px 46px;
}
.cta-band h2{font-size:30px;}
.cta-band p{margin-top:14px;color:var(--text-2);max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-side{display:flex;flex-direction:column;gap:12px;justify-content:center;}
.cta-note{
  border:1px solid var(--stroke);border-radius:var(--radius);padding:16px 18px;
  background:rgba(255,255,255,.04);font-size:14px;color:var(--text-2);
}
.cta-note strong{color:var(--text);display:block;margin-bottom:6px;font-size:15px;}

/* ============ 收藏分享条 ============ */
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border:1px solid var(--stroke);border-radius:var(--radius);
  background:var(--panel);padding:18px 22px;
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
}
.share-bar .share-title{font-size:15.5px;font-weight:600;}
.share-bar .share-title small{display:block;font-weight:400;font-size:13.5px;color:var(--text-2);margin-top:4px;}
.share-actions{display:flex;gap:10px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;border-top:1px solid var(--stroke-2);
  background:var(--bg-2);
  padding:64px 0 26px;
}
.footer-grid{gap:36px 0;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{color:var(--text-2);font-size:14.5px;max-width:220px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);}
.footer-contact i{color:var(--accent);font-size:13px;}
.footer-title{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:var(--text-2);font-size:14.5px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--stroke-2);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .section{padding:64px 0;}
  .section.tight{padding:52px 0;}
  .cat-hero h1{font-size:38px;}
  .cat-hero-inner{padding:38px 32px;}
  .project-thumb{flex:0 0 200px;}
  .anchor-bar{top:64px;}
  .sticky-box{position:static;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--stroke-2);}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .nav{height:64px;}
  .logo-text{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .cat-hero{min-height:auto;margin-top:14px;}
  .cat-hero-inner{padding:30px 22px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero .hero-sub{font-size:15.5px;}
  .hero-meta{gap:16px;margin-top:20px;}
  .anchor-bar{top:60px;}
  .project-card{flex-direction:column;gap:16px;padding:16px;}
  .project-thumb{flex:none;height:190px;}
  .project-body h3{font-size:19px;}
  .card-foot{flex-direction:column;align-items:flex-start;}
  .faq-a p{padding:0 20px 20px 20px;}
  .faq-q{padding:17px 18px;font-size:15.5px;gap:12px;}
  .cta-band{padding:34px 22px;}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--stroke-2);}
  .stat:last-child{border-bottom:0;}
  .share-bar{flex-direction:column;align-items:flex-start;}
  .share-actions{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;}
}
@media screen and (min-width:1440px){
  .container{max-width:1200px;padding:0 32px;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.035);
  --stroke:rgba(255,255,255,.12);
  --stroke-2:rgba(255,255,255,.08);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --danger:#FF5A5A;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06),0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12),0 24px 56px -20px rgba(0,0,0,.9);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(255,90,31,.10),transparent 62%),
    radial-gradient(760px 480px at 6% 4%,rgba(35,214,196,.08),transparent 60%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--accent);text-decoration:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-2);border-top:1px solid var(--stroke-2);border-bottom:1px solid var(--stroke-2);}

.eyebrow{
  font-family:var(--font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--primary);display:inline-block;border-radius:2px;}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.section-head h2{font-size:32px;margin-top:10px;}
.section-head p{color:var(--text-2);font-size:15px;max-width:620px;margin-top:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-2),var(--primary));
  color:#160A03;box-shadow:var(--shadow-1),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:var(--shadow-2),0 0 36px rgba(255,90,31,.5);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--stroke);color:var(--text);}
.btn-ghost:hover{border-color:var(--accent);background:rgba(35,214,196,.10);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{
  color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(35,214,196,.5);padding-bottom:2px;transition:all .18s ease-out;
}
.link-more i{transition:transform .18s ease-out;}
.link-more:hover{border-bottom-color:var(--primary);color:var(--primary-2);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- badge ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--accent);
  border:1px solid rgba(35,214,196,.45);background:rgba(35,214,196,.10);
}
.badge--num{font-family:var(--font-num);letter-spacing:.08em;color:var(--primary-2);border-color:rgba(255,90,31,.45);background:rgba(255,90,31,.10);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,18,.72);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid var(--stroke-2);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(11,14,18,.92);border-bottom-color:var(--stroke);box-shadow:0 14px 30px -22px rgba(0,0,0,.95);}
.nav{display:flex;align-items:center;gap:24px;height:76px;transition:height .2s ease;}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#B1330A);color:#170B04;font-size:15px;
  box-shadow:0 0 18px rgba(255,90,31,.35);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-links a{
  color:var(--text-2);font-size:15px;font-weight:500;position:relative;padding:6px 0;
  display:inline-flex;align-items:center;gap:7px;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .2s cubic-bezier(.2,.7,.3,1);border-radius:2px;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--text);}
.nav-links a.is-active::after{width:100%;background:var(--primary);}
.nav-badge{
  font-size:11px;line-height:1;padding:4px 7px;border-radius:var(--r-pill);
  background:rgba(35,214,196,.12);color:var(--accent);border:1px solid rgba(35,214,196,.4);
  font-family:var(--font-num);letter-spacing:.06em;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--stroke);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);color:var(--text);cursor:pointer;
}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:80;
  background:rgba(12,16,22,.97);backdrop-filter:blur(16px);
  border-left:1px solid var(--stroke);
  transform:translateX(105%);transition:transform .26s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px 20px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text);cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;gap:4px;overflow:auto;}
.drawer-links a{
  color:var(--text-2);font-size:16px;font-weight:500;padding:13px 12px;border-radius:12px;
  border-left:2px solid transparent;transition:all .16s ease;
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--text);background:rgba(255,255,255,.05);border-left-color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--stroke-2);}
.overlay{position:fixed;inset:0;background:rgba(4,6,9,.6);z-index:70;opacity:0;pointer-events:none;transition:opacity .24s ease;}
.overlay.is-open{opacity:1;pointer-events:auto;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:var(--text-3);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb .current{color:var(--primary-2);}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;margin-top:18px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--stroke);min-height:360px;display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(6,9,13,.94) 0%,rgba(6,9,13,.78) 46%,rgba(6,9,13,.5) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.cat-hero__inner{padding:52px 48px;max-width:720px;}
.cat-hero h1{font-size:46px;margin:14px 0 12px;}
.cat-hero h1 span{color:var(--primary-2);}
.cat-hero__sub{font-size:17px;color:var(--text);font-weight:600;margin-bottom:14px;}
.cat-hero p.lead{color:var(--text-2);font-size:15.5px;max-width:600px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cat-hero__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  font-size:13px;color:var(--text-2);padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);
}
.hero-stat{
  margin-top:26px;display:flex;gap:28px;flex-wrap:wrap;
}
.hero-stat div{display:flex;flex-direction:column;}
.hero-stat b{font-family:var(--font-num);font-size:26px;color:var(--accent);letter-spacing:.02em;font-weight:600;}
.hero-stat small{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}

/* ---------- anchor bar ---------- */
.anchorbar{
  position:sticky;top:76px;z-index:40;margin-top:22px;
  background:rgba(12,16,22,.86);backdrop-filter:blur(14px) saturate(125%);
  border:1px solid var(--stroke);border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
}
.anchorbar__inner{display:flex;gap:8px;overflow-x:auto;padding:10px 14px;scrollbar-width:thin;}
.anchorbar__inner::-webkit-scrollbar{height:5px;}
.anchorbar__inner::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.anchorbar a{
  font-size:14px;color:var(--text-2);padding:8px 16px;border-radius:var(--r-pill);white-space:nowrap;
  border:1px solid transparent;transition:all .16s ease;
}
.anchorbar a:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke);}
.anchorbar a.is-active{color:#160A03;background:linear-gradient(180deg,var(--primary-2),var(--primary));font-weight:600;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding:24px 0 8px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.16) 8%,rgba(255,255,255,.16) 92%,transparent);
  transform:translateX(-.5px);
}
.tl-item{position:relative;width:50%;padding:0 56px 56px 0;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 56px 56px;}
.tl-item::before{
  content:"";position:absolute;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 14px rgba(255,90,31,.6);
}
.tl-item:nth-child(odd)::before{right:-7px;}
.tl-item:nth-child(even)::before{left:-7px;border-color:var(--accent);box-shadow:0 0 14px rgba(35,214,196,.5);}
.tl-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;position:relative;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease,box-shadow .2s ease;
}
.tl-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.55);box-shadow:var(--shadow-2);}
.tl-card__media{aspect-ratio:16/10;overflow:hidden;}
.tl-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .2s cubic-bezier(.2,.7,.3,1);}
.tl-card:hover .tl-card__media img{transform:scale(1.04);}
.tl-card__body{padding:24px 26px 26px;}
.tl-card__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-card p{color:var(--text-2);font-size:15px;}
.tl-points{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.tl-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);}
.tl-points li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;
  background:rgba(35,214,196,.35);border:1px solid rgba(35,214,196,.7);
}
.tl-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.tl-meta{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;font-family:var(--font-num);}

/* ---------- stats ---------- */
.statbar{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.statbar .cell{padding:30px 26px;border-right:1px solid var(--stroke-2);}
.statbar .cell:last-child{border-right:0;}
.statbar b{display:block;font-family:var(--font-num);font-size:34px;font-weight:600;color:var(--text);letter-spacing:.01em;}
.statbar b em{font-style:normal;font-size:16px;color:var(--accent);margin-left:4px;}
.statbar span{display:block;font-size:13.5px;color:var(--text-3);margin-top:6px;}
.statbar strong{display:block;font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:4px;}

/* ---------- pitfalls ---------- */
.grid-cards{display:grid;gap:20px;}
.grid-cards--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.p-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease,box-shadow .2s ease;
}
.p-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.26),transparent);}
.p-card:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-2);}
.p-card h3{font-size:19px;margin:14px 0 10px;}
.p-card p{color:var(--text-2);font-size:14.8px;}
.p-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,90,31,.12);border:1px solid rgba(255,90,31,.4);color:var(--primary-2);
}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(35,214,196,.45);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{font-family:var(--font-num);font-size:15px;color:var(--primary-2);letter-spacing:.06em;flex:0 0 auto;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--accent);
  transition:transform .22s ease,color .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--primary-2);}
.faq-body{padding:0 24px 22px 24px;max-width:760px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--stroke);
  background-image:linear-gradient(100deg,rgba(8,11,15,.95),rgba(8,11,15,.72)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;box-shadow:var(--shadow-1);
}
.cta-band__inner{padding:52px 48px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;border-top:1px solid var(--stroke-2);background:var(--bg-2);
  padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{gap:32px 0;}
.footer-brand .logo{margin-bottom:14px;}
.footer-desc{color:var(--text-2);font-size:14.5px;max-width:240px;}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--text-3);}
.footer-contact i{color:var(--accent);margin-right:8px;}
.footer-title{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);font-size:14.5px;transition:color .16s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--stroke-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .section{padding:64px 0;}
  .cat-hero h1{font-size:38px;}
  .cat-hero__inner{padding:40px 32px;}
  .grid-cards--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .anchorbar{top:64px;}
  .statbar .cell{border-right:0;border-bottom:1px solid var(--stroke-2);}
  .statbar .cell:last-child{border-bottom:0;}
}
@media screen and (min-width:1025px){
  .show-for-small-only{display:none !important;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .nav{height:64px;}
  .logo-text{font-size:15.5px;}
  .nav-actions .icon-btn{display:none;}
  .cat-hero{min-height:auto;}
  .cat-hero h1{font-size:32px;}
  .cat-hero__inner{padding:30px 20px 34px;}
  .cat-hero__actions .btn{width:100%;}
  .hero-stat{gap:18px;}
  .section-head h2{font-size:26px;}
  .timeline::before{left:9px;}
  .tl-item,
  .tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 40px 36px;}
  .tl-item:nth-child(odd)::before,
  .tl-item:nth-child(even)::before{left:2px;right:auto;top:22px;width:12px;height:12px;}
  .tl-card__body{padding:20px;}
  .grid-cards--3{grid-template-columns:minmax(0,1fr);}
  .cta-band__inner{padding:34px 22px;}
  .cta-band h2{font-size:24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .faq-item summary{padding:18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.03);
  --stroke:rgba(255,255,255,.12);
  --stroke-strong:rgba(255,255,255,.2);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --danger:#FF5A5A;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06),0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12),0 24px 56px -20px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald",ui-monospace,"SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(1100px 560px at 82% -12%,rgba(255,90,31,.10),transparent 62%),
    radial-gradient(900px 520px at 2% 6%,rgba(35,214,196,.07),transparent 64%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease);}
a:hover,a:focus{color:var(--accent);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(255,90,31,.35);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-2),var(--primary));
  color:#12161B;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover,.btn-primary:focus{
  color:#12161B;transform:translateY(-2px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 0 36px rgba(255,90,31,.5);
  filter:brightness(1.08);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid var(--stroke);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:11px 20px;font-size:14px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--accent);
  border-bottom:1px solid rgba(35,214,196,.55);padding-bottom:2px;
  transition:color 200ms var(--ease),border-color 200ms var(--ease);
}
.link-arrow i{transition:transform 200ms var(--ease);font-size:12px;}
.link-arrow:hover,.link-arrow:focus{color:var(--primary);border-color:var(--primary);}
.link-arrow:hover i,.link-arrow:focus i{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,14,18,.76);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid transparent;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.site-header.is-scrolled{background:rgba(11,14,18,.95);border-bottom-color:var(--stroke);}
.nav{display:flex;align-items:center;gap:22px;height:76px;transition:height 200ms var(--ease);}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--primary),#C93E0D);
  color:#12161B;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 18px rgba(255,90,31,.35);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.logo:hover .logo-text{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;font-size:14.5px;font-weight:500;color:var(--text-2);border-radius:8px;
}
.nav-links a::after{
  content:'';position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform 220ms var(--ease);border-radius:2px;
}
.nav-links a:hover,.nav-links a:focus{color:var(--text);}
.nav-links a:hover::after,.nav-links a:focus::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);background:var(--primary);}
.nav-badge{
  font-size:10.5px;letter-spacing:.06em;padding:2px 7px;border-radius:999px;
  color:var(--accent);border:1px solid rgba(35,214,196,.45);background:rgba(35,214,196,.10);
  line-height:1.5;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);background:var(--panel);color:var(--text-2);font-size:14px;
  transition:all 200ms var(--ease);
}
.icon-btn:hover,.icon-btn:focus{color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;margin-left:auto;
  border:1px solid var(--stroke);background:var(--panel);color:var(--text);font-size:16px;
  align-items:center;justify-content:center;transition:all 200ms var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,8,11,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:84vw;z-index:100;
  background:rgba(13,17,22,.98);border-left:1px solid var(--stroke);
  backdrop-filter:blur(16px) saturate(125%);
  transform:translateX(102%);transition:transform 280ms var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--stroke);color:var(--text-2);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a:hover,.drawer-links a:focus{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke);}
.drawer-links a.is-active{color:var(--text);border-color:rgba(255,90,31,.5);background:rgba(255,90,31,.10);}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-cta .btn{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:46px 0 52px;min-height:360px;display:flex;align-items:center;}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.42;filter:saturate(.85);
}
.cat-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,14,18,.96) 0%,rgba(11,14,18,.82) 46%,rgba(11,14,18,.55) 100%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;}
.tag-label{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(35,214,196,.42);background:rgba(35,214,196,.09);
  padding:5px 13px;border-radius:999px;margin-bottom:16px;font-weight:600;
}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:700;letter-spacing:-.02em;
  max-width:820px;margin-bottom:14px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px;}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;}
.hero-chips span{
  font-size:13px;color:var(--text-2);padding:7px 15px;border-radius:999px;
  border:1px solid var(--stroke);background:var(--panel-2);
}
.hero-chips span i{color:var(--accent);margin-right:6px;font-size:11px;}

/* ============ 锚点目录条 ============ */
.anchor-bar{
  position:sticky;top:64px;z-index:50;
  background:rgba(11,14,18,.9);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);
}
.anchor-inner{display:flex;align-items:center;gap:10px;padding:12px 24px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-label{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;white-space:nowrap;padding-right:6px;border-right:1px solid var(--stroke);margin-right:4px;}
.anchor-inner a{
  font-size:14px;color:var(--text-2);white-space:nowrap;padding:7px 16px;border-radius:999px;
  border:1px solid var(--stroke);background:var(--panel-2);transition:all 200ms var(--ease);
}
.anchor-inner a:hover,.anchor-inner a:focus{color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10);}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-alt{background:linear-gradient(180deg,rgba(16,21,28,.85),rgba(11,14,18,0));}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);
  font-weight:600;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.02em;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ============ 大图卡片网格 ============ */
.card-grid{margin-top:-12px;}
.card-grid > .cell{margin-bottom:24px;}
.story-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--panel);border:1px solid var(--stroke);border-radius:16px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.story-card:hover{transform:translateY(-4px);border-color:rgba(35,214,196,.5);box-shadow:var(--shadow-2);}
.story-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#0d1116;}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease);}
.story-card:hover .story-media img{transform:scale(1.04);}
.story-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,18,.05) 40%,rgba(11,14,18,.78) 100%);
}
.story-index{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.04em;
  padding:4px 11px;border-radius:8px;color:#12161B;background:var(--primary);
  box-shadow:0 0 18px rgba(255,90,31,.35);
}
.story-status{
  position:absolute;bottom:14px;left:14px;z-index:2;
  font-size:12.5px;padding:4px 12px;border-radius:999px;color:var(--accent);
  border:1px solid rgba(35,214,196,.45);background:rgba(11,14,18,.72);
  backdrop-filter:blur(6px);
}
.story-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex-grow:1;}
.story-body h3{font-size:20px;line-height:1.4;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;}
.story-body > p{font-size:15.5px;color:var(--text-2);margin-bottom:18px;}
.story-points{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;}
.story-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.story-points li i{color:var(--accent);font-size:13px;margin-top:6px;width:15px;flex-shrink:0;}
.story-body .link-arrow{margin-top:auto;align-self:flex-start;}

/* ============ 状态说明条 ============ */
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.status-item{
  padding:26px 22px;border-radius:16px;background:var(--panel);border:1px solid var(--stroke);
  box-shadow:var(--shadow-1);transition:all 220ms var(--ease);
}
.status-item:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);}
.status-item .num{
  font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1;
  color:var(--primary);letter-spacing:.02em;display:block;margin-bottom:12px;
}
.status-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.status-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.status-item.is-accent .num{color:var(--accent);}
.status-item.is-light .num{color:var(--accent-2);}

/* ============ 到场清单 ============ */
.checklist-wrap{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.checklist-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow-1);}
.checklist-media img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.checklist-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,18,.1),rgba(11,14,18,.7));}
.checklist-media .floating-note{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  padding:16px 18px;border-radius:14px;background:rgba(16,21,28,.78);
  border:1px solid var(--stroke);backdrop-filter:blur(12px) saturate(125%);
}
.checklist-media .floating-note strong{display:block;font-size:15px;margin-bottom:4px;}
.checklist-media .floating-note span{font-size:13.5px;color:var(--text-2);}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  display:flex;gap:18px;padding:22px 24px;border-radius:16px;
  background:var(--panel-2);border:1px solid var(--stroke);
  transition:all 220ms var(--ease);
}
.step-item:hover{background:var(--panel);border-color:rgba(35,214,196,.45);transform:translateX(4px);}
.step-num{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--primary);
  width:44px;height:44px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,90,31,.4);background:rgba(255,90,31,.09);
}
.step-item h3{font-size:17.5px;font-weight:700;margin-bottom:6px;}
.step-item p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  background:var(--panel);border:1px solid var(--stroke);border-radius:16px;
  margin-bottom:12px;overflow:hidden;backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);transition:border-color 200ms var(--ease);
}
.accordion .accordion-item:hover{border-color:rgba(35,214,196,.4);}
.accordion .accordion-title{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:20px 60px 20px 22px;background:transparent;border:0;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:rgba(255,255,255,.04);color:var(--text);}
.accordion .accordion-title::before{
  content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:22px;font-weight:400;line-height:1;margin:0;
  transition:transform 220ms var(--ease),color 220ms var(--ease);
}
.accordion .accordion-item.is-active{background:rgba(255,255,255,.075);border-color:rgba(255,90,31,.45);}
.accordion .accordion-item.is-active > .accordion-title::before{content:'+';transform:translateY(-50%) rotate(45deg);color:var(--primary);}
.accordion .accordion-content{
  background:transparent;border:0;color:var(--text-2);padding:0 60px 22px 22px;
  font-size:15.5px;line-height:1.85;
}
.accordion .accordion-content p{max-width:760px;}
.faq-num{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--accent);
  border:1px solid rgba(35,214,196,.4);background:rgba(35,214,196,.09);
  padding:2px 9px;border-radius:8px;flex-shrink:0;line-height:1.7;
}

/* ============ CTA / 分享条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--stroke);
  background:linear-gradient(120deg,rgba(255,90,31,.14),rgba(35,214,196,.08) 62%,rgba(255,255,255,.03));
  padding:48px 44px;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-band::before{
  content:'';position:absolute;top:-60px;right:-40px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.22),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px;position:relative;}
.cta-band p{color:var(--text-2);font-size:16px;position:relative;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;position:relative;}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:28px;padding:20px 24px;border-radius:16px;
  background:var(--panel);border:1px solid var(--stroke);backdrop-filter:blur(14px) saturate(125%);
}
.share-bar h3{font-size:16px;font-weight:600;display:flex;align-items:center;gap:10px;}
.share-bar h3 i{color:var(--primary);}
.share-actions{display:flex;gap:10px;flex-wrap:wrap;}
.share-actions .btn{padding:10px 18px;font-size:14px;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(16,21,28,.6),rgba(9,11,14,.95));
  padding:64px 0 0;margin-top:20px;
}
.footer-grid{padding-bottom:44px;}
.footer-grid > .cell{margin-bottom:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:15px;color:var(--text-2);margin-bottom:18px;max-width:260px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-contact li{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px;}
.footer-contact li i{color:var(--accent);font-size:13px;width:16px;}
.footer-title{
  font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);
  font-weight:600;margin-bottom:18px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:var(--text-2);}
.footer-links a:hover,.footer-links a:focus{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--stroke);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.footer-bottom p:last-child{font-family:var(--font-num);letter-spacing:.06em;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-links{display:none;}
  .nav-actions{display:none;}
  .nav-toggle{display:flex;}
  .nav{height:64px;}
  .section{padding:64px 0;}
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .checklist-wrap{grid-template-columns:1fr;gap:32px;}
  .checklist-media img{aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .cta-actions{justify-content:flex-start;}
  .anchor-bar{top:64px;}
  .cat-hero{min-height:320px;padding:36px 0 44px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .cat-hero{padding:28px 0 40px;min-height:0;}
  .cat-hero h1{font-size:32px;}
  .cat-hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-chips span{font-size:12.5px;padding:6px 12px;}
  .anchor-inner{padding:10px 16px;}
  .anchor-label{display:none;}
  .status-grid{grid-template-columns:1fr;}
  .story-body{padding:20px 18px 22px;}
  .story-body h3{font-size:18.5px;}
  .step-item{padding:18px;gap:14px;}
  .accordion .accordion-title{font-size:15.5px;padding:17px 52px 17px 18px;}
  .accordion .accordion-content{padding:0 18px 20px 18px;font-size:15px;}
  .cta-band{padding:28px 20px;border-radius:16px;}
  .cta-actions .btn{width:100%;}
  .share-bar{flex-direction:column;align-items:stretch;}
  .share-actions .btn{flex:1;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category4 */
:root{
  --bg:#0B0E12;
  --bg-2:#10151C;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.075);
  --stroke:rgba(255,255,255,.12);
  --primary:#FF5A1F;
  --primary-2:#FF8A4C;
  --accent:#23D6C4;
  --accent-2:#D9F24B;
  --text:#F2F5F7;
  --text-2:#9AA7B4;
  --text-3:#68757F;
  --danger:#FF5A5A;
  --shadow-1:inset 0 1px 0 rgba(255,255,255,.06), 0 16px 40px -18px rgba(0,0,0,.85);
  --shadow-2:inset 0 1px 0 rgba(255,255,255,.12), 0 24px 56px -20px rgba(0,0,0,.9);
  --radius-s:8px;
  --radius-m:16px;
  --radius-img:14px;
  --radius-lg:20px;
  --pill:999px;
  --nav-h:76px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-2)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,90,31,.35);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--primary);
  display:block;
}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:32px;margin:14px 0 14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary-2),var(--primary));
  color:#14100C;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 0 24px rgba(255,90,31,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 36px rgba(255,90,31,.5);
  color:#14100C;
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--stroke);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--accent);
  background:rgba(35,214,196,.10);
  color:var(--text);
}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-size:14.5px;
  font-weight:600;
  border-bottom:1px solid rgba(35,214,196,.55);
  padding-bottom:3px;
  transition:color .18s ease,border-color .18s ease;
}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover{color:var(--primary-2);border-color:var(--primary-2)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--pill);
  border:1px solid rgba(35,214,196,.45);
  background:rgba(35,214,196,.10);
  color:var(--accent);
  font-size:12px;
  letter-spacing:.06em;
  font-weight:600;
  line-height:1.5;
}
.badge--warm{
  border-color:rgba(255,90,31,.5);
  background:rgba(255,90,31,.10);
  color:var(--primary-2);
}
.badge--num{
  font-family:var(--font-num);
  letter-spacing:.1em;
  color:var(--text);
  border-color:var(--stroke);
  background:rgba(255,255,255,.05);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,14,18,.72);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  --nav-h:64px;
  background:rgba(11,14,18,.94);
  border-bottom-color:var(--stroke);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95);
}
.nav{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
  transition:height .22s ease;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--text);flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary-2),var(--primary) 65%);
  color:#14100C;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 20px rgba(255,90,31,.32);
}
.logo-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover .logo-text{color:var(--primary-2)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links > a{
  position:relative;
  padding:10px 13px;
  border-radius:var(--radius-s);
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:color .18s ease,background .18s ease;
}
.nav-links > a::after{
  content:"";
  position:absolute;
  left:13px;right:100%;
  bottom:4px;
  height:2px;
  background:var(--accent);
  transition:right .22s cubic-bezier(.2,.7,.3,1);
}
.nav-links > a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links > a:hover::after{right:13px}
.nav-links > a.is-active{color:var(--text)}
.nav-links > a.is-active::after{right:13px;background:var(--primary)}
.nav-badge{
  font-size:11px;
  padding:2px 7px;
  border-radius:var(--pill);
  border:1px solid rgba(217,242,75,.45);
  background:rgba(217,242,75,.12);
  color:var(--accent-2);
  line-height:1.6;
  font-weight:600;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);
  display:grid;place-items:center;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10)}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(5,7,10,.62);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:85;
}
body.nav-open .nav-mask{opacity:1;visibility:visible}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--text-3)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:var(--primary-2)}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  margin-top:18px;
  min-height:360px;
  display:flex;
  align-items:center;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  background-image:linear-gradient(96deg,rgba(11,14,18,.95) 8%,rgba(11,14,18,.72) 52%,rgba(11,14,18,.44) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-1);
}
.cat-hero__inner{padding:56px 48px;max-width:760px}
.cat-hero h1{font-size:44px;line-height:1.18;margin:18px 0 16px}
.cat-hero h1 span{color:var(--primary-2)}
.cat-hero__sub{font-size:17px;color:var(--text-2);margin-bottom:28px;max-width:520px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:7px 16px;
  border-radius:var(--pill);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);
  font-size:13px;
  color:var(--text-2);
  backdrop-filter:blur(10px);
}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;
  top:var(--nav-h);
  z-index:60;
  margin-top:24px;
  background:rgba(16,21,28,.86);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
  transition:top .22s ease;
}
.anchor-bar .container{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-top:13px;
  padding-bottom:13px;
  scrollbar-width:none;
}
.anchor-bar .container::-webkit-scrollbar{display:none}
.anchor-link{
  flex:none;
  padding:8px 17px;
  border-radius:var(--pill);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-link:hover{color:var(--text);border-color:var(--accent);background:rgba(35,214,196,.10)}
.anchor-link.is-active{
  color:#14100C;
  background:linear-gradient(180deg,var(--primary-2),var(--primary));
  border-color:transparent;
  font-weight:600;
}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius-m);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.data-cell{padding:34px 26px;position:relative}
.data-cell + .data-cell{border-left:1px solid var(--stroke)}
.data-num{
  font-family:var(--font-num);
  font-size:46px;
  font-weight:700;
  line-height:1;
  color:var(--primary-2);
  letter-spacing:.02em;
  display:block;
  margin-bottom:12px;
}
.data-num small{font-size:18px;margin-left:4px;color:var(--text-2)}
.data-cell p{font-size:14px;color:var(--text-2)}

/* ---------- zigzag ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.zigzag + .zigzag{margin-top:88px}
.zigzag__media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--shadow-1);
}
.zigzag__media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s cubic-bezier(.2,.7,.3,1);
}
.zigzag:hover .zigzag__media img{transform:scale(1.04)}
.zigzag__index{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.2em;
  color:var(--text-3);
  text-transform:uppercase;
  display:block;
  margin-bottom:12px;
}
.zigzag__body h3{font-size:22px;margin-bottom:16px}
.zigzag__body p{color:var(--text-2);font-size:16px;margin-bottom:14px}
.zigzag__points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}
.zigzag__points span{
  font-size:13px;
  color:var(--text-2);
  padding:6px 13px;
  border-radius:var(--radius-s);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.035);
}
.zigzag.is-reverse .zigzag__media{order:2}

/* ---------- rights list ---------- */
.rights-list{display:grid;gap:14px}
.rights-item{
  position:relative;
  display:grid;
  grid-template-columns:88px 1fr auto;
  gap:22px;
  align-items:center;
  padding:18px 22px;
  border-radius:var(--radius-m);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.rights-item::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.rights-item:hover{
  transform:translateY(-4px);
  border-color:rgba(35,214,196,.5);
  background:var(--panel-strong);
  box-shadow:var(--shadow-2);
}
.rights-item:hover::before{transform:scaleY(1)}
.rights-item__thumb{
  width:88px;height:88px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--stroke);
}
.rights-item__thumb img{width:100%;height:100%;object-fit:cover}
.rights-item__main h3{font-size:18px;margin-bottom:6px}
.rights-item__main p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.rights-item__side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;min-width:104px}
.rights-item__side .link-arrow{font-size:13.5px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;
  padding:32px 26px;
  border-radius:var(--radius-m);
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-2)}
.step__num{
  font-family:var(--font-num);
  font-size:42px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,90,31,.75);
  display:block;
  margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- faq ---------- */
.faq{max-width:920px}
.faq-item{
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(35,214,196,.42)}
.faq-item.is-open{border-color:rgba(35,214,196,.55);background:var(--panel-strong)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 24px;
  background:none;
  border:0;
  cursor:pointer;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  text-align:left;
  line-height:1.5;
}
.faq-num{
  font-family:var(--font-num);
  font-size:20px;
  color:var(--primary-2);
  min-width:34px;
  letter-spacing:.06em;
}
.faq-icon{
  margin-left:auto;
  flex:none;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--stroke);
  display:grid;place-items:center;
  color:var(--text-2);
  font-size:13px;
  transition:transform .26s cubic-bezier(.2,.7,.3,1),color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent);border-color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a__inner{
  padding:0 24px 24px 76px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
  max-width:760px;
}

/* ---------- share bar ---------- */
.share-bar{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 26px;
  border-radius:var(--radius-m);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(125%);
  box-shadow:var(--shadow-1);
}
.share-bar__title{font-size:15px;font-weight:600}
.share-bar__title span{display:block;font-size:13px;color:var(--text-2);font-weight:400;margin-top:2px}
.share-bar__group{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}
.share-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--pill);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:14px;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.share-btn:hover{color:var(--accent);border-color:var(--accent);background:rgba(35,214,196,.10)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  padding:56px;
  background-image:linear-gradient(100deg,rgba(11,14,18,.96) 12%,rgba(11,14,18,.78) 60%,rgba(11,14,18,.58) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:30px;margin-bottom:14px;max-width:620px}
.cta-band p{color:var(--text-2);max-width:560px;margin-bottom:28px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band__meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  font-size:13.5px;
  color:var(--text-3);
}
.cta-band__meta span{display:inline-flex;align-items:center;gap:8px}
.cta-band__meta i{color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(16,21,28,.85),rgba(11,14,18,1));
  padding-top:64px;
}
.footer-grid{gap:36px 24px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);margin-bottom:18px}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:8px;
}
.footer-contact i{color:var(--accent)}
.footer-title{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--text);margin-bottom:18px;font-weight:600}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:48px;
  padding:22px 0 30px;
  border-top:1px solid var(--stroke);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:290px;
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:88px 20px 130px;
    background:#0D1218;
    border-left:1px solid var(--stroke);
    transform:translateX(102%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);
    z-index:90;
    overflow-y:auto;
  }
  .nav-links > a{padding:14px 12px;font-size:16px;border-radius:10px}
  .nav-links > a::after{display:none}
  .nav-links > a:hover,.nav-links > a.is-active{background:rgba(255,255,255,.06)}
  .nav-actions{
    position:fixed;
    bottom:0;right:0;
    width:290px;
    margin:0;
    padding:16px 20px 26px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    background:#0D1218;
    border-left:1px solid var(--stroke);
    transform:translateX(102%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);
    z-index:91;
  }
  .nav-actions .icon-btn{width:100%;border-radius:var(--pill)}
  body.nav-open .nav-links,body.nav-open .nav-actions{transform:translateX(0)}
  .nav-toggle{display:inline-grid;place-items:center}
  .section{padding:64px 0}
  .cat-hero__inner{padding:44px 32px}
  .cat-hero h1{font-size:36px}
  .zigzag{gap:40px}
  .data-strip{grid-template-columns:repeat(2,1fr)}
  .data-cell:nth-child(3){border-left:0;border-top:1px solid var(--stroke)}
  .data-cell:nth-child(4){border-top:1px solid var(--stroke)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.is-reverse .zigzag__media{order:0}
  .zigzag + .zigzag{margin-top:64px}
  .cta-band{padding:40px 28px}
  .rights-item{grid-template-columns:1fr;gap:16px}
  .rights-item__thumb{width:100%;height:160px}
  .rights-item__side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding-top:56px;padding-bottom:56px}
  .section-head h2{font-size:26px}
  .cat-hero{min-height:520px;background-image:linear-gradient(180deg,rgba(11,14,18,.9) 10%,rgba(11,14,18,.66) 60%,rgba(11,14,18,.92) 100%),url("/assets/images/backpic/back-1.webp")}
  .cat-hero__inner{padding:36px 22px}
  .cat-hero h1{font-size:31px}
  .cat-hero__sub{font-size:15.5px}
  .cat-hero__actions .btn{width:100%}
  .data-strip{grid-template-columns:1fr}
  .data-cell + .data-cell{border-left:0;border-top:1px solid var(--stroke)}
  .data-cell{padding:26px 22px}
  .data-num{font-size:38px}
  .steps{grid-template-columns:1fr}
  .faq-q{font-size:16px;gap:12px;padding:18px 18px}
  .faq-a__inner{padding:0 18px 20px 62px;font-size:15px}
  .cta-band h2{font-size:24px}
  .cta-band__actions .btn{width:100%}
  .share-bar__group{margin-left:0;width:100%}
  .share-bar__group .share-btn{flex:1;justify-content:center}
  .footer-bottom{margin-top:36px}
}