/* roulang page: index */
:root{
  --lime:#B6FF3B;
  --lime-deep:#8FD41F;
  --lime-mist:rgba(182,255,59,.14);
  --orange:#FF5A2E;
  --purple:#7C5CFF;
  --bg:#0A0C0E;
  --panel:#14171B;
  --card:#1A1E23;
  --float:#20252B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(182,255,59,.35);
  --text:#E7EAE6;
  --text-2:#9AA3A0;
  --text-3:#6C7570;
  --ink:#0A0C0E;
  --light-bg:#F3F5EF;
  --light-ink:#14171B;
  --brand-grad:linear-gradient(135deg,#B6FF3B 0%,#39E6A0 45%,#7C5CFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-sm:14px;
  --sh:0 2px 8px rgba(0,0,0,.55),0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(182,255,59,.25);
  --container:1200px;
  --gap:24px;
}
*,*::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","MiSans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;font-weight:700;color:var(--text);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px;}
::selection{background:var(--lime);color:var(--ink);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,14,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0),rgba(182,255,59,.75) 22%,rgba(124,92,255,.6) 70%,rgba(182,255,59,0));
}
.nav{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.02em;flex:none;}
.brand__mark{width:32px;height:32px;flex:none;border-radius:10px;background:var(--lime-mist);display:grid;place-items:center;border:1px solid var(--line-strong);}
.brand__mark svg{width:18px;height:18px;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--text-2);border-radius:12px;
  transition:color .16s ease,background .16s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.is-active{color:var(--lime);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);box-shadow:var(--glow);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:190px;height:40px;padding:0 40px 0 14px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(182,255,59,.12);}
.nav-search button{position:absolute;right:6px;width:30px;height:30px;display:grid;place-items:center;border-radius:10px;color:var(--text-2);}
.nav-search button:hover{color:var(--lime);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--lime);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px;}
.btn--primary{background:var(--lime);color:var(--ink);}
.btn--primary:hover{background:linear-gradient(135deg,#B6FF3B,#39E6A0);transform:translateY(-2px);box-shadow:0 0 24px rgba(182,255,59,.45);}
.btn--ghost{background:transparent;color:var(--lime);border:1px solid var(--line-strong);}
.btn--ghost:hover{background:var(--lime-mist);transform:translateY(-2px);box-shadow:0 0 24px rgba(182,255,59,.18);}
.btn--text{height:auto;padding:0;color:var(--lime);background:none;}
.btn--text svg{transition:transform .2s ease;}
.btn--text:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:4px 12px;font-size:12px;line-height:1.7;white-space:nowrap;
}
.badge--cat{color:var(--lime);border:1px solid var(--line-strong);background:var(--lime-mist);}
.badge--glass{background:rgba(10,12,14,.68);color:var(--text);border:1px solid var(--line);}
.badge--hot{background:var(--orange);color:#fff;}
.badge--purple{border:1px solid rgba(124,92,255,.5);color:#B9A8FF;background:rgba(124,92,255,.12);}
.badge--num{background:var(--float);border:1px solid var(--line);color:var(--text);font-variant-numeric:tabular-nums;}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:8px;
  font-size:12px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 92px;}
.hero__glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.22;pointer-events:none;}
.hero__glow--a{width:520px;height:520px;background:var(--brand-grad);top:-180px;left:-140px;}
.hero__glow--b{width:460px;height:460px;background:linear-gradient(135deg,#7C5CFF,#39E6A0);bottom:-220px;right:-100px;}
.hero__lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);
  opacity:.5;
}
.hero__inner{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:var(--lime-mist);color:var(--lime);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;margin:22px 0 18px;}
.hero__sub{font-size:18px;color:var(--text-2);max-width:460px;margin:0;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 18px;min-width:118px;
}
.stat__num{font-size:20px;font-weight:700;color:var(--lime);line-height:1.2;}
.stat__label{font-size:12px;color:var(--text-2);line-height:1.6;}
.hero__wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.hero-card{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.hero-card--up{margin-top:-24px;}
.hero-card--down{margin-top:24px;}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,14,.05) 30%,rgba(10,12,14,.9) 100%);}
.hero-card__go{
  position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;
  background:rgba(10,12,14,.6);border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--lime);
}
.hero-card__go svg{width:15px;height:15px;}
.hero-card__meta{position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:8px;}
.hero-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh),0 0 24px rgba(182,255,59,.2);}

/* ---------- 板块标题 ---------- */
.sec{padding:80px 0;}
.sec--tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.sec-head__hint{margin:10px 0 0;font-size:14px;color:var(--text-2);max-width:520px;}
.sec-head__right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ---------- 横滑片段带 ---------- */
.band-wrap{overflow:hidden;}
.band{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.band::-webkit-scrollbar{display:none;}
.clip-card{
  position:relative;flex:0 0 calc((100% - 60px) / 4.5);aspect-ratio:9/16;
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);scroll-snap-align:start;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.clip-card img{width:100%;height:100%;object-fit:cover;}
.clip-card__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,14,0) 42%,rgba(10,12,14,.92) 100%);}
.clip-card__body{position:absolute;left:14px;right:14px;bottom:14px;}
.clip-card__title{
  margin:0 0 10px;font-size:15px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh),0 0 24px rgba(182,255,59,.2);}

/* ---------- 浅色节奏区 ---------- */
.light-block{background:var(--light-bg);color:var(--light-ink);border-radius:var(--r-lg);padding:48px;}
.light-block h2,.light-block h3,.light-block h4{color:var(--light-ink);}
.light-block .sec-head__hint{color:#5A625C;}
.on-light .btn--primary{background:#14171B;color:#F3F5EF;}
.on-light .btn--primary:hover{background:#000;box-shadow:none;transform:translateY(-2px);}
.on-light .btn--text{color:#14171B;}

.checklist{display:grid;grid-template-columns:1fr 1fr;column-gap:48px;}
.check-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:22px 0;border-bottom:1px solid rgba(20,23,27,.1);
}
.check-item__no{font-size:32px;font-weight:700;color:var(--lime-deep);line-height:1;font-variant-numeric:tabular-nums;}
.check-item h3{font-size:18px;font-weight:600;margin:0 0 4px;}
.check-item p{margin:0;font-size:14px;color:#5A625C;line-height:1.7;}
.check-item__tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.tag--light{background:rgba(20,23,27,.05);border:1px solid rgba(20,23,27,.1);color:#5A625C;}
.check-item__go{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(20,23,27,.14);color:#14171B;transition:transform .2s ease,border-color .2s ease,color .2s ease;}
.check-item:hover .check-item__go{transform:translateX(4px);border-color:var(--lime-deep);color:var(--lime-deep);}

/* ---------- 资讯列表（CMS 区） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card__media{display:block;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);}
.news-card__media img{width:100%;height:100%;object-fit:cover;}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__title{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__title a:hover{color:var(--lime);}
.news-card__excerpt{
  font-size:14px;color:var(--text-2);margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.news-card__more{color:var(--lime);font-weight:600;font-size:13px;}
.news-card__more:hover{text-decoration:underline;}
.news-card:hover{transform:translateY(-4px);border-color:rgba(182,255,59,.35);box-shadow:var(--sh),0 0 24px rgba(182,255,59,.14);}
.empty{
  grid-column:1/-1;min-height:200px;border:1px dashed var(--line-strong);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  text-align:center;padding:32px;color:var(--text-2);
}
.empty p{font-size:15px;margin:0;}

/* ---------- 口碑跑马灯 ---------- */
.marquee{overflow:hidden;position:relative;padding:6px 0;}
.marquee__track{display:flex;gap:16px;width:max-content;animation:slide 42s linear infinite;}
.marquee--rev .marquee__track{animation-direction:reverse;animation-duration:48s;}
.marquee:hover .marquee__track{animation-play-state:paused;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.quote{
  display:flex;align-items:center;gap:12px;min-width:326px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 18px;
}
.quote__avatar{
  width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--brand-grad);color:#0A0C0E;font-weight:700;font-size:14px;
}
.quote__name{font-size:13px;color:var(--text-2);line-height:1.5;}
.quote__text{font-size:14px;line-height:1.6;}
.quote__body{display:flex;flex-direction:column;gap:4px;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq-item{background:#fff;border-radius:var(--r-sm);border:1px solid rgba(20,23,27,.08);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--light-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:none;margin-right:4px;
  border-right:2px solid var(--light-ink);border-bottom:2px solid var(--light-ink);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--lime-deep);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item__body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:#4A524C;}

/* ---------- CTA 带 ---------- */
.cta{position:relative;overflow:hidden;background:var(--panel);border-radius:var(--r-lg);padding:56px;border:1px solid var(--line);}
.cta__beam{position:absolute;top:-70%;left:-12%;width:72%;height:240%;background:var(--brand-grad);opacity:.24;transform:rotate(-12deg);pointer-events:none;}
.cta__dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:16px 16px;opacity:.45;pointer-events:none;}
.cta__inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta__inner h2{font-size:clamp(24px,3vw,32px);}
.cta__inner p{margin:12px 0 0;font-size:15px;color:var(--text-2);}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#0A0C0E;padding:64px 0 0;margin-top:96px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0),rgba(182,255,59,.7) 25%,rgba(124,92,255,.6) 72%,rgba(182,255,59,0));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-col h4{font-size:14px;font-weight:600;margin:0 0 16px;letter-spacing:.06em;color:var(--text);}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .16s ease,padding-left .16s ease;}
.footer-col a:hover{color:var(--lime);padding-left:4px;}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.8;margin:0 0 14px;}
.socials{display:flex;gap:10px;margin-top:6px;}
.socials span{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);transition:color .16s ease,border-color .16s ease;}
.socials span:hover{color:var(--lime);border-color:var(--line-strong);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;flex-direction:column;background:rgba(10,12,14,.98);padding:20px 20px 32px;overflow-y:auto;}
.drawer.is-open{display:flex;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:18px;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--lime);}
.drawer a.drawer__link{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer__link.is-active{color:var(--lime);}
.drawer .btn{margin-top:24px;width:100%;}
.drawer__form{display:flex;gap:10px;margin-top:20px;}
.drawer__form input{flex:1;height:44px;border-radius:var(--r-sm);background:var(--panel);border:1px solid var(--line);padding:0 14px;color:var(--text);}
.drawer__form input:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(182,255,59,.12);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--container:960px;}
  .hero__wall{grid-template-columns:repeat(2,1fr);}
  .hero-card--down{display:none;}
  .clip-card{flex:0 0 calc((100% - 40px) / 3.2);}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn--primary{height:40px;padding:0 16px;font-size:13px;}
  .hero__inner{grid-template-columns:1fr;gap:40px;}
  .hero{padding:56px 0 72px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .checklist{grid-template-columns:1fr;column-gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{padding:40px;}
  .light-block{padding:36px;}
  .sec{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero__wall{
    display:flex;gap:16px;overflow-x:auto;padding-bottom:10px;
    scroll-snap-type:x mandatory;scrollbar-width:none;
  }
  .hero__wall::-webkit-scrollbar{display:none;}
  .hero-card{flex:0 0 45%;margin-top:0;scroll-snap-align:start;}
  .hero-card--down{display:block;}
  .hero__sub{font-size:16px;}
  .stats{gap:10px;}
  .stat{padding:10px 14px;min-width:calc(50% - 5px);flex:1;}
  .clip-card{flex:0 0 68%;}
  .sec-head{align-items:flex-start;}
  .sec-head__right{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .quote{min-width:280px;}
  .faq-item summary{padding:18px;font-size:16px;}
  .faq-item__body{padding:0 18px 18px;}
  .cta{padding:32px 24px;}
  .cta__actions{width:100%;}
  .cta__actions .btn{flex:1;}
  .light-block{padding:26px 20px;}
  .hero__cta .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:32px;}
  .check-item__no{font-size:24px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:420px){
  .brand{font-size:16px;}
  .hero__cta,.cta__actions{flex-direction:column;align-items:stretch;}
  .hero__cta .btn,.cta__actions .btn{width:100%;}
  .stat{min-width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-card{flex:0 0 72%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .marquee__track{animation:none;flex-wrap:wrap;width:auto;}
  .marquee{overflow:visible;}
}

/* roulang page: article */
:root{
  --lime:#B6FF3B;
  --lime-deep:#8FD41F;
  --lime-mist:rgba(182,255,59,.14);
  --orange:#FF5A2E;
  --purple:#7C5CFF;
  --bg:#0A0C0E;
  --panel:#14171B;
  --card:#1A1E23;
  --float:#20252B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(182,255,59,.35);
  --text:#E7EAE6;
  --muted:#9AA3A0;
  --dim:#6C7570;
  --ink:#0A0C0E;
  --light:#F3F5EF;
  --light-ink:#14171B;
  --grad:linear-gradient(135deg,#B6FF3B 0%,#39E6A0 45%,#7C5CFF 100%);
  --r-lg:24px;
  --r:20px;
  --r-img:16px;
  --r-sm:14px;
  --sh:0 2px 8px rgba(0,0,0,.55),0 24px 60px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(182,255,59,.25);
  --container:1200px;
  --track:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","MiSans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;color:var(--text)}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0}
time,.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,14,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0) 0%,rgba(182,255,59,.75) 30%,rgba(124,92,255,.7) 70%,rgba(124,92,255,0) 100%);
}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;white-space:nowrap}
.brand__mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:var(--lime-mist);border:1px solid var(--line-strong);flex:none}
.brand__mark svg{width:18px;height:18px}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;flex:1}
.nav-menu a{
  display:inline-block;position:relative;padding:8px 12px;border-radius:10px;
  color:var(--muted);font-size:14px;font-weight:500;transition:color .16s ease;
}
.nav-menu a:hover{color:var(--text)}
.nav-menu a.is-active{color:var(--lime)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--lime);box-shadow:var(--glow);
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 10px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search input{width:132px;background:transparent;border:0;outline:0;color:var(--text);font-size:13px}
.nav-search input::placeholder{color:var(--dim)}
.nav-search:focus-within{border-color:var(--line-strong);box-shadow:var(--glow)}
.nav-search button{display:inline-flex;background:none;border:0;padding:2px;color:var(--muted)}
.nav-search button:hover{color:var(--lime)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:12px;padding:8px 10px;color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  padding:11px 22px;font-size:14px;font-weight:600;line-height:1;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;
  position:relative;overflow:hidden;
}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:opacity .2s ease-out}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.btn--primary:hover::after{opacity:.35}
.btn--primary span{position:relative;z-index:1}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--lime)}
.btn--ghost:hover{transform:translateY(-2px);background:var(--lime-mist)}
.btn--line{background:transparent;border-color:var(--line);color:var(--text)}
.btn--line:hover{border-color:var(--line-strong);color:var(--lime);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;transform:none;pointer-events:none}

/* ---------- breadcrumb & head ---------- */
main{display:block}
.article-head{padding:34px 0 8px;position:relative;overflow:hidden}
.article-head::before{
  content:"";position:absolute;left:-160px;top:-220px;width:520px;height:520px;border-radius:50%;
  background:var(--grad);filter:blur(120px);opacity:.16;pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--dim);position:relative}
.breadcrumb a{color:var(--muted);transition:color .16s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:var(--dim)}
.breadcrumb .current{color:var(--dim);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:24px 0 14px;position:relative}
.meta-row time{font-size:14px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--dim)}
.meta-row .read{font-size:14px;color:var(--dim)}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:600;padding:5px 12px;line-height:1.2}
.badge--cat{color:var(--lime);border:1px solid var(--line-strong);background:var(--lime-mist)}
.badge--hot{color:#fff;background:var(--orange);border:1px solid rgba(255,90,46,.5)}
.badge--soft{color:var(--muted);border:1px solid var(--line);background:var(--panel)}
.article-head h1{position:relative;max-width:22ch;margin-bottom:6px}
.article-head .lede{position:relative;max-width:60ch;color:var(--muted);font-size:16px;margin-top:16px}

/* ---------- layout ---------- */
.article-body{padding:36px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.cover-figure{margin:0 0 36px}
.cover-figure .cover{
  aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--sh);
}
.cover-figure .cover img{width:100%;height:100%;object-fit:cover}
.cover-figure figcaption{text-align:center;font-size:13px;color:var(--dim);margin-top:12px}

/* ---------- prose ---------- */
.prose{font-size:16px;line-height:1.9;color:var(--text);max-width:760px}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  font-size:28px;line-height:1.3;font-weight:700;margin:32px 0 16px;padding-left:14px;
  border-left:3px solid var(--lime);
}
.prose h3{font-size:22px;line-height:1.4;font-weight:600;margin:26px 0 12px}
.prose h4{font-size:18px;font-weight:600;margin:22px 0 10px;color:var(--muted)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--lime)}
.prose ol{counter-reset:li}
.prose ol li{position:relative;padding-left:28px;margin-bottom:.55em;counter-increment:li}
.prose ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--lime);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.prose blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--lime);border-radius:0 14px 14px 0;
  background:rgba(182,255,59,.06);color:var(--muted);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:22px 0;border:1px solid var(--line)}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--dim);text-align:center;margin-top:10px}
.prose a{color:var(--lime);border-bottom:1px solid rgba(182,255,59,.4);transition:border-color .2s ease}
.prose a:hover{border-color:var(--lime)}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:12px;overflow:hidden}
.prose thead th{background:var(--float);color:var(--text);font-weight:600;text-align:left;padding:12px 16px}
.prose td,.prose th{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.prose code{background:var(--float);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--lime)}
.prose-ornament{color:var(--lime);opacity:.5;text-align:center;letter-spacing:.6em;margin:26px 0;font-size:14px}

.article-foot{margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.tag-group{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:13px;transition:color .2s ease,border-color .2s ease}
.tag:hover{color:var(--lime);border-color:var(--line-strong)}
.share-row{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:13px}
.share-row span.icon{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:color .2s ease,border-color .2s ease}
.share-row span.icon:hover{color:var(--lime);border-color:var(--line-strong)}
.back-row{margin-top:24px}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.side-card h4{margin-bottom:16px;font-size:16px}
.side-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.side-list a{display:flex;gap:12px;align-items:center}
.side-list .thumb{width:64px;height:48px;flex:none;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.side-list .thumb img{width:100%;height:100%;object-fit:cover}
.side-list .txt{font-size:14px;line-height:1.5;color:var(--muted);transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-list a:hover .txt{color:var(--lime)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-stat{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.side-stat:last-child{border-bottom:0;padding-bottom:0}
.side-stat .val{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums}
.side-stat .lbl{font-size:13px;color:var(--muted)}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head p{color:var(--muted);font-size:14px;margin:8px 0 0}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--lime);font-size:14px;font-weight:600}
.link-more svg{transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(4px)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--sh);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 2px 8px rgba(0,0,0,.55),0 28px 64px rgba(0,0,0,.5)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel);border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .thumb img{transform:translateY(-3px)}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:19px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .desc{font-size:14px;color:var(--muted);line-height:1.7;margin:0;
  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(--dim)}
.card .foot .rlink{color:var(--lime);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{
  content:"";position:absolute;inset:-30% -20% auto -20%;height:150%;
  background:var(--grad);opacity:.2;transform:skewY(-6deg);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:18px 18px;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:64px 0}
.cta-inner h2{max-width:20ch}
.cta-inner p{color:var(--muted);max-width:44ch;margin:12px 0 0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- empty / 404 ---------- */
.empty-box{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:rgba(182,255,59,.04);
  padding:56px 28px;text-align:center;max-width:760px;
}
.empty-box h2{font-size:24px;margin-bottom:12px}
.empty-box p{color:var(--muted);margin-bottom:24px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg);position:relative;margin-top:8px}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(182,255,59,0) 0%,rgba(182,255,59,.7) 25%,rgba(124,92,255,.7) 75%,rgba(124,92,255,0) 100%)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 40px}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:4px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .16s ease}
.footer-col a:hover{color:var(--lime)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.footer-note{color:var(--dim);font-size:13px;line-height:1.8;margin:0;max-width:34ch}
.socials{display:flex;gap:10px}
.socials span{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:22px 0 30px;font-size:13px;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  .nav-menu{gap:2px}
  .nav-search input{width:104px}
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;order:2;margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav{height:60px;gap:12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn--primary{display:none}
  .nav-search{display:none}
  .nav-menu{
    position:fixed;inset:60px 0 0 0;background:rgba(10,12,14,.98);
    flex-direction:column;align-items:stretch;gap:0;padding:20px 16px;margin:0;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
    border-top:1px solid var(--line-strong);
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu li{border-bottom:1px solid var(--line)}
  .nav-menu a{display:flex;align-items:center;min-height:48px;font-size:16px;border-radius:0;padding:0 4px}
  .nav-menu a.is-active::after{left:4px;right:auto;width:24px;bottom:6px}
  body.nav-open{overflow:hidden}
  h1{font-size:clamp(26px,7.4vw,34px)}
  .prose,.prose h2,.prose h3{max-width:100%}
  .prose h2{font-size:23px}
  .prose h3{font-size:19px}
  .section{padding:52px 0}
  .grid-3{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .article-head{padding:24px 0 4px}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
  .side-list .thumb{width:56px;height:42px}
}
@media (max-width:420px){
  .badge{font-size:11px;padding:4px 10px}
  .meta-row{gap:8px}
  .brand{font-size:16px}
  .empty-box{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --lime:#B6FF3B;--lime-deep:#8FD41F;--lime-soft:rgba(182,255,59,.14);
  --orange:#FF5A2E;--purple:#7C5CFF;
  --bg:#0A0C0E;--panel:#14171B;--card:#1A1E23;--float:#20252B;
  --line:rgba(255,255,255,.08);--line-strong:rgba(182,255,59,.35);
  --text:#E7EAE6;--text-2:#9AA3A0;--text-3:#6C7570;--ink:#0A0C0E;
  --light:#F3F5EF;--light-line:#DDE1D8;
  --grad:linear-gradient(135deg,#B6FF3B 0%,#39E6A0 45%,#7C5CFF 100%);
  --r-lg:24px;--r-md:20px;--r-img:16px;--r-btn:999px;--r-sm:14px;
  --sh:0 2px 8px rgba(0,0,0,.55),0 24px 60px rgba(0,0,0,.45);
  --sh-sm:0 2px 8px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(182,255,59,.25);
  --container:1200px;--track:1120px;
  --font:"PingFang SC","HarmonyOS Sans","MiSans","Microsoft YaHei",system-ui,-apple-system,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);
  font-size:16px;line-height:1.85;letter-spacing:0;
  background-image:radial-gradient(rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:26px 26px;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;line-height:1.3;}
h1{font-size:clamp(30px,5vw,52px);font-weight:700;line-height:1.15;}
h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;}
h3{font-size:22px;font-weight:600;line-height:1.4;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.skip{position:absolute;left:-9999px;top:0;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:0 0 12px 0;z-index:200;}
.skip:focus{left:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,12,14,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(182,255,59,.75),rgba(124,92,255,.6),transparent);
}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;white-space:nowrap;}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:10px;background:var(--lime-soft);border:1px solid var(--line-strong);flex:0 0 auto;
}
.brand__mark svg{width:19px;height:19px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--text-2);border-radius:var(--r-sm);
  transition:color .16s ease,background .16s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-menu a.is-active{color:var(--lime);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);box-shadow:var(--glow);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 14px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(182,255,59,.12);}
.nav-search input{
  width:150px;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  background:transparent;border:0;color:var(--text-2);cursor:pointer;border-radius:8px;
  transition:color .16s ease,background .16s ease;
}
.nav-search button:hover{color:var(--lime);background:var(--lime-soft);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--lime);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn--primary{background:var(--lime);color:var(--ink);position:relative;overflow:hidden;}
.btn--primary::before{
  content:"";position:absolute;inset:0;opacity:0;background:var(--grad);transition:opacity .2s ease;
}
.btn--primary span,.btn--primary svg{position:relative;z-index:1;}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(182,255,59,.25);}
.btn--primary:hover::before{opacity:.35;}
.btn--ghost{
  background:transparent;border-color:var(--line-strong);color:var(--lime);
}
.btn--ghost:hover{background:var(--lime-soft);transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:var(--light);border-color:var(--ink);}
.btn--dark:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,23,27,.28);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--lime);font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ badges / chips ============ */
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid var(--line-strong);color:var(--lime);font-size:13px;font-weight:500;
  background:rgba(182,255,59,.06);
}
.chip--hot{border-color:rgba(255,90,46,.4);color:var(--orange);background:rgba(255,90,46,.1);}
.chip--purple{border-color:rgba(124,92,255,.4);color:#B7A6FF;background:rgba(124,92,255,.12);}
.stat{
  display:inline-flex;flex-direction:column;gap:2px;padding:12px 18px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);
}
.stat b{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:12px;color:var(--text-3);}

/* ============ page banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  background-color:var(--panel);background-size:cover;background-position:center;
  padding:72px 0 64px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,12,14,.94) 0%,rgba(10,12,14,.78) 52%,rgba(10,12,14,.6) 100%);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(182,255,59,.8),rgba(124,92,255,.55),transparent);
}
.page-banner .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-3);}
.banner-inner{max-width:760px;}
.banner-inner h1{margin:14px 0 16px;}
.banner-lead{font-size:17px;color:var(--text-2);max-width:640px;}
.banner-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ============ z-row 板块 ============ */
.z-intro{max-width:720px;margin-bottom:56px;}
.z-intro p{color:var(--text-2);}
.z-list{display:flex;flex-direction:column;gap:48px;}
.zrow{
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:border-color .2s ease,transform .2s ease;
}
.zrow:hover{border-color:var(--line-strong);}
.zrow__media{grid-column:span 5;}
.zrow__media img{aspect-ratio:3/2;width:100%;object-fit:cover;border:1px solid var(--line);}
.zrow__body{grid-column:span 7;}
.zrow--flip .zrow__media{order:2;}
.zrow--flip .zrow__body{order:1;}
.zrow__body h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px;}
.zrow__body p{color:var(--text-2);font-size:15.5px;margin-bottom:14px;}
.z-points{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.z-points li{position:relative;padding-left:18px;font-size:15px;color:var(--text);}
.z-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--lime);
}
.zrow__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}

/* ============ light band / FAQ ============ */
.band-light{background:var(--light);color:var(--panel);border-radius:var(--r-lg);padding:56px 40px;}
.band-light h2{color:var(--panel);}
.band-light .light-head{margin-bottom:32px;}
.band-light .light-head p{color:#4A5250;margin-top:10px;}
.faq-list{display:flex;flex-direction:column;}
.faq-item{border-bottom:1px solid var(--light-line);position:relative;}
.faq-item:first-child{border-top:1px solid var(--light-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:72px;padding:14px 4px 14px 0;font-size:17px;font-weight:600;color:var(--panel);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:12px;height:12px;border-right:2px solid #6C7570;border-bottom:2px solid #6C7570;
  transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--lime-deep);}
.faq-item[open] summary{color:#14171B;}
.faq-item[open]::before{
  content:"";position:absolute;left:-14px;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--lime-deep);
}
.faq-answer{padding:0 8px 22px 0;font-size:15px;line-height:1.8;color:#4A5250;max-width:900px;}
.band-light .btn--dark{margin-top:28px;}

/* ============ CTA narrow ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--panel);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-sm);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:340px;
  background:var(--grad);opacity:.20;filter:blur(90px);transform:rotate(-12deg);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);background-size:16px 16px;
}
.cta-band__text{position:relative;z-index:1;max-width:620px;}
.cta-band__text p{color:var(--text-2);margin-top:10px;font-size:15.5px;}
.cta-band__actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{
  margin-top:96px;background:var(--bg);position:relative;padding:64px 0 40px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(182,255,59,.75),rgba(124,92,255,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-note{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .16s ease,transform .16s ease;}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials span{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;border:1px solid var(--line);color:var(--text-2);background:var(--panel);
}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ drawer ============ */
.drawer{
  position:fixed;inset:0;z-index:150;background:rgba(10,12,14,.98);
  padding:24px;display:none;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer__close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line-strong);border-radius:12px;color:var(--lime);cursor:pointer;
}
.drawer a.drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 16px;font-size:16px;font-weight:500;
  color:var(--text-2);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel);
}
.drawer a.drawer__link:hover,.drawer a.drawer__link.is-active{color:var(--lime);border-color:var(--line-strong);}
.drawer .btn{width:100%;margin-top:12px;}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .zrow__body h2{font-size:22px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .nav{height:60px;gap:12px;}
  .brand{font-size:16px;}
  .zrow{grid-template-columns:1fr;padding:20px;gap:18px;}
  .zrow__media,.zrow__body{grid-column:auto;order:0;}
  .zrow--flip .zrow__media,.zrow--flip .zrow__body{order:0;}
  .page-banner{padding:52px 0 44px;}
  .banner-lead{font-size:15.5px;}
  .band-light{padding:32px 20px;border-radius:var(--r-md);}
  .faq-item summary{min-height:64px;font-size:16px;}
  .faq-item[open]::before{left:-8px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 22px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-note{max-width:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .zrow__body h2{font-size:20px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  .banner-stats{gap:8px;}
  .stat{padding:10px 14px;flex:1 1 calc(50% - 8px);}
  .chip{height:26px;font-size:12px;padding:0 10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0C0E;
  --panel:#14171B;
  --card:#1A1E23;
  --float:#20252B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(182,255,59,.35);
  --text:#E7EAE6;
  --text-2:#9AA3A0;
  --text-3:#6C7570;
  --lime:#B6FF3B;
  --lime-deep:#8FD41F;
  --lime-mist:rgba(182,255,59,.14);
  --orange:#FF5A2E;
  --violet:#7C5CFF;
  --light-bg:#F3F5EF;
  --light-text:#14171B;
  --light-sub:#5A6660;
  --grad:linear-gradient(135deg,#B6FF3B 0%,#39E6A0 45%,#7C5CFF 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-sm:14px;
  --r-xs:8px;
  --shadow:0 2px 8px rgba(0,0,0,.55),0 24px 60px rgba(0,0,0,.45);
  --shadow-soft:0 2px 8px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(182,255,59,.25);
  --container:1200px;
  --track:1120px;
  --font:PingFang SC,"HarmonyOS Sans","MiSans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.2em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,14,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0) 0%,rgba(182,255,59,.65) 35%,rgba(124,92,255,.5) 70%,rgba(182,255,59,0) 100%);
}
.nav{display:flex;align-items:center;gap:28px;height:68px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text);
  white-space:nowrap;
  transition:color .16s ease;
}
.brand:hover{color:var(--lime);}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(182,255,59,.1);
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
}
.brand__mark svg{width:20px;height:20px;}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-menu a{
  position:relative;display:inline-block;
  font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 2px;
  transition:color .16s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--lime);opacity:0;transform:scaleX(.4);
  transition:opacity .18s ease,transform .18s ease;
}
.nav-menu a:hover{color:var(--text);}
.nav-menu a.is-active{color:var(--lime);}
.nav-menu a.is-active::after{opacity:1;transform:scaleX(1);box-shadow:var(--glow);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:6px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:0 6px 0 12px;
  height:40px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--line-strong);box-shadow:var(--glow);}
.nav-search input{
  width:150px;height:38px;border:0;background:transparent;color:var(--text);
  font-size:14px;font-family:inherit;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:var(--r-xs);background:transparent;color:var(--text-2);cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.nav-search button:hover{color:var(--lime);background:var(--lime-mist);}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--lime);}
.nav-toggle[aria-expanded="true"]{color:var(--lime);border-color:var(--line-strong);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  position:relative;overflow:hidden;
}
.btn--primary{background:var(--lime);color:#0A0C0E;}
.btn--primary::after{
  content:"";position:absolute;inset:0;opacity:0;
  background:var(--grad);transition:opacity .2s ease-out;
}
.btn--primary span{position:relative;z-index:1;}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--glow),var(--shadow-soft);}
.btn--primary:hover::after{opacity:.35;}
.btn--ghost{
  background:transparent;color:var(--lime);border-color:var(--line-strong);
}
.btn--ghost:hover{transform:translateY(-2px);background:var(--lime-mist);box-shadow:var(--glow);}
.btn--text{
  padding:0;border:0;background:transparent;color:var(--lime);font-weight:600;font-size:15px;
  display:inline-flex;align-items:center;gap:6px;
}
.btn--text svg{transition:transform .2s ease-out;}
.btn--text:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;transform:none;cursor:not-allowed;}

/* ---------- 通用徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;font-weight:500;
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--lime);
  background:rgba(10,12,14,.5);
}
.badge--hot{border-color:rgba(255,90,46,.45);color:var(--orange);background:rgba(255,90,46,.12);}
.badge--violet{border-color:rgba(124,92,255,.45);color:#C3B4FF;background:rgba(124,92,255,.12);}
.badge--data{
  border-radius:var(--r-xs);
  background:rgba(10,12,14,.82);
  border:1px solid var(--line-strong);
  color:var(--text);
  padding:8px 12px;
  gap:8px;
}
.badge--data b{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;}
.badge--data span{font-size:12px;color:var(--text-2);}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;overflow:hidden;padding:96px 0 64px;}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,14,.62) 0%,rgba(10,12,14,.9) 62%,rgba(10,12,14,.98) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0),rgba(182,255,59,.7),rgba(124,92,255,.5),rgba(182,255,59,0));
}
.page-hero .container{position:relative;z-index:1;max-width:var(--track);}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-2);transition:color .16s ease;}
.crumbs a:hover{color:var(--lime);}
.crumbs span[aria-hidden="true"]{color:var(--text-3);}
.crumbs .is-current{color:var(--text-3);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--lime);
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(182,255,59,.08);
  box-shadow:var(--glow);
  margin-bottom:20px;
}
.page-hero h1{max-width:820px;}
.page-hero__lead{
  margin-top:18px;max-width:640px;
  font-size:17px;line-height:1.75;color:var(--text-2);
}

/* ---------- 数据条 ---------- */
.stat-strip{padding:0 0 24px;margin-top:-8px;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:var(--track);margin:0 auto;
}
.stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--shadow-soft);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.stat:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.stat b{display:block;font-size:28px;font-weight:700;color:var(--lime);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}

/* ---------- 板块标题 ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:var(--track);margin:0 auto 36px;
}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--lime);box-shadow:var(--glow);
}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--text-3);max-width:560px;}

/* ---------- 瀑布卡 ---------- */
.masonry{
  display:grid;grid-template-columns:repeat(2,1fr);gap:32px;
  max-width:var(--track);margin:0 auto;padding-bottom:40px;
}
.m-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.m-card:nth-child(even){margin-top:40px;}
.m-card:hover{transform:translateY(-4px);border-color:rgba(182,255,59,.5);box-shadow:0 2px 10px rgba(0,0,0,.6),0 28px 64px rgba(0,0,0,.5),0 0 20px rgba(182,255,59,.18);}
.m-card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel);}
.m-card__media img{width:100%;height:100%;object-fit:cover;transition:filter .3s ease-out;}
.m-card:hover .m-card__media img{filter:brightness(1.06);}
.m-card__media::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  border-radius:0;
  background:linear-gradient(180deg,rgba(10,12,14,.55) 0%,rgba(10,12,14,0) 42%);
  pointer-events:none;
}
.m-card__badge{position:absolute;top:14px;left:14px;z-index:2;}
.m-card:hover .m-card__badge{border-color:var(--lime);box-shadow:var(--glow);}
.m-card__body{padding:24px 24px 26px;}
.m-card__body h3{color:var(--text);}
.m-card__body p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2);}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tags li{
  font-size:12px;color:var(--text-2);
  padding:5px 11px;border-radius:var(--r-pill);
  background:var(--float);border:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease;
}
.m-card:hover .tags li{border-color:rgba(255,255,255,.16);}
.tags li.is-key{color:var(--lime);border-color:var(--line-strong);background:var(--lime-mist);}

/* ---------- 浅色节奏区 ---------- */
.light-panel{
  background:var(--light-bg);
  color:var(--light-text);
  border-radius:var(--r-lg);
  padding:48px;
  max-width:var(--track);
  margin:0 auto;
  box-shadow:var(--shadow);
}
.light-panel h2,.light-panel h3,.light-panel h4{color:var(--light-text);}
.light-panel p{color:var(--light-sub);}
.light-panel .section-head h2::before{background:var(--lime-deep);box-shadow:none;}
.light-panel .section-head p{color:var(--light-sub);}
.light-panel .btn--primary{background:var(--light-text);color:var(--light-bg);}
.light-panel .btn--ghost{color:var(--light-text);border-color:rgba(20,23,27,.28);}
.light-panel .btn--ghost:hover{background:rgba(20,23,27,.08);box-shadow:none;}
.light-panel .btn--text{color:var(--light-text);}

/* 项目入口矩阵 */
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.matrix-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px;
  background:#FFFFFF;
  border:1px solid rgba(20,23,27,.08);
  border-radius:var(--r-md);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.matrix-item:hover{transform:translateY(-4px);border-color:rgba(143,212,31,.55);box-shadow:0 12px 28px rgba(20,23,27,.12);}
.matrix-item__ico{
  width:42px;height:42px;flex:0 0 42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(143,212,31,.16);
  color:#5E8E10;
}
.matrix-item__ico svg{width:22px;height:22px;}
.matrix-item strong{display:block;font-size:16px;font-weight:600;color:var(--light-text);}
.matrix-item em{display:block;font-style:normal;margin-top:4px;font-size:13px;color:var(--light-sub);line-height:1.6;}

/* ---------- 窄 CTA 带 ---------- */
.cta-band{position:relative;padding:56px 0;overflow:hidden;}
.cta-band__inner{
  position:relative;z-index:1;
  max-width:var(--track);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 44px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-band__inner::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:320px;
  background:var(--grad);opacity:.22;filter:blur(90px);transform:skewX(-12deg);
  pointer-events:none;
}
.cta-band__inner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad);opacity:.6;
}
.cta-band h2{font-size:28px;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:520px;}
.cta-band__actions{display:flex;gap:14px;flex:0 0 auto;position:relative;z-index:1;}

/* ---------- FAQ ---------- */
.faq{max-width:var(--track);margin:0 auto;}
.faq__item{
  border-left:3px solid transparent;
  transition:border-color .2s ease-out;
}
.faq__item + .faq__item{border-top:1px solid rgba(20,23,27,.1);}
.faq__item[open]{border-left-color:var(--lime-deep);}
.faq__item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;padding:12px 20px 12px 18px;
  cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--light-text);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"+";font-size:22px;font-weight:400;color:#7A857E;line-height:1;
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq__item[open] summary::after{content:"−";color:#5E8E10;}
.faq__item summary:hover{color:#3E4A44;}
.faq__answer{padding:0 20px 22px 18px;font-size:15px;line-height:1.8;color:var(--light-sub);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg);
  position:relative;
  padding:64px 0 40px;
  margin-top:24px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(182,255,59,0),rgba(182,255,59,.65),rgba(124,92,255,.5),rgba(182,255,59,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);margin-bottom:14px;
}
.footer-note{font-size:13px;line-height:1.8;color:var(--text-3);}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:var(--text-3);line-height:2.2;
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.socials{display:flex;gap:10px;margin-top:16px;}
.socials span{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--text-3);background:var(--panel);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .stat-grid,.masonry,.matrix-grid,.cta-band__inner,.faq{max-width:920px;}
  .matrix-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  h2{font-size:28px;}
  .nav{height:64px;gap:18px;}
  .nav-menu{gap:18px;}
  .nav-search input{width:110px;}
  .masonry{grid-template-columns:1fr;gap:26px;}
  .m-card:nth-child(even){margin-top:0;}
  .masonry{padding-bottom:0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .light-panel{padding:36px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-band__actions{width:100%;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .nav{height:60px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,12,14,.98);
    border-top:1px solid rgba(182,255,59,.28);
    padding:16px 16px 40px;
    display:none;
    overflow-y:auto;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu li{border-bottom:1px solid var(--line);}
  .nav-menu a{display:flex;align-items:center;min-height:48px;font-size:16px;padding:0 8px;width:100%;}
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{background:var(--lime-mist);border-radius:12px;}
  .page-hero{padding:72px 0 48px;}
  .page-hero__lead{font-size:15px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .matrix-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .matrix-item{padding:16px;}
  .light-panel{padding:26px 20px;border-radius:20px;}
  .faq__item summary{font-size:16px;min-height:64px;padding-left:14px;}
  .faq__answer{padding-left:14px;}
  .cta-band h2{font-size:24px;}
  .cta-band__actions{flex-direction:column;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px;}
  .footer-col:first-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .stat-grid{grid-template-columns:1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .m-card__body{padding:20px 18px 22px;}
  .logo-name,.brand{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}