/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#B8FF3C;
  --brand-hover:#C9FF5E;
  --brand-ink:#0A0F0C;
  --accent:#FF6A2B;
  --bg:#0A0F0C;
  --surface:#121A15;
  --surface-2:#1A241D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.22);
  --text:#F2F6F0;
  --text-2:#A9B6AC;
  --text-3:#6F7D73;
  --paper:#F5F6F1;
  --paper-card:#FFFFFF;
  --paper-text:#161B17;
  --paper-2:#5A665C;
  --paper-line:rgba(10,15,12,.10);
  --c1:#8FA31A;
  --c2:#C4552E;
  --c3:#4E7C8A;
  --c4:#7A5C9E;
  --c5:#B08D3F;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-xs:6px;
  --r-pill:999px;
  --shadow:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 18px 46px -14px rgba(0,0,0,.80), 0 0 0 1px rgba(184,255,60,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
  --gap:24px;
}

/* ============ 基础重置 ============ */
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
strong{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ============ 容器与通用排版 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;position:relative;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head .section-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.section-no{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--text-3);
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  border-bottom:1px solid transparent;
}
.link-more:hover{color:var(--brand);border-bottom-color:var(--brand);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98) translateY(0);}
.btn-primary{
  background:var(--brand);
  color:var(--brand-ink);
  box-shadow:0 8px 24px -12px rgba(184,255,60,.55);
}
.btn-primary:hover{
  background:var(--brand-hover);
  transform:translateY(-2px);
  box-shadow:0 10px 30px -8px rgba(184,255,60,.45);
}
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--brand);
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 标签 / 徽章 ============ */
.badge,.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-xs);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  background:rgba(184,255,60,.12);
  color:var(--brand);
  white-space:nowrap;
}
.pill-accent{background:var(--accent);color:#fff;letter-spacing:.04em;}
.pill-dot{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}

/* ============ 顶部预告条 ============ */
.topbar{
  height:36px;
  background:#060A07;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  gap:10px;
}
.topbar-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(184,255,60,.14);
  flex:none;
  animation:pulse 1.6s infinite;
}
.topbar-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-text b{color:var(--text);font-weight:600;}
.topbar-close{
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--text-3);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.topbar-close:hover{background:rgba(255,255,255,.08);color:var(--text);}
.topbar.is-hidden{display:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,12,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .26s var(--ease),border-color .26s var(--ease),backdrop-filter .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.88);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(150deg,rgba(184,255,60,.22),rgba(184,255,60,.04));
  border:1px solid rgba(184,255,60,.35);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:4px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--text);
  margin-left:auto;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}
.menu-toggle span{
  display:block;width:18px;height:2px;background:currentColor;position:relative;
}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:78%;
  max-width:340px;
  height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  z-index:80;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.drawer-title{font-size:15px;font-weight:700;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-nav{padding:12px 0;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;
  height:48px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:min(88vh,760px);
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--bg);
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(10,15,12,.96) 0%,rgba(10,15,12,.86) 34%,rgba(10,15,12,.30) 66%,rgba(10,15,12,.10) 100%),
    linear-gradient(180deg,rgba(10,15,12,.55) 0%,rgba(10,15,12,0) 32%,rgba(10,15,12,.92) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:120px 32px 96px;
  max-width:var(--container);
  width:100%;
  margin:0 auto;
}
.hero-content{max-width:620px;}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(32px,5vw,64px);
  line-height:1.1;
  font-weight:800;
  letter-spacing:-.02em;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  color:var(--text-2);
  max-width:520px;
  line-height:1.7;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:44px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
}
.hero-stats span{font-size:13px;color:var(--text-3);letter-spacing:.04em;}
.hero-live{
  position:absolute;
  right:32px;bottom:44px;
  z-index:3;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 14px 10px 10px;
  border-radius:var(--r-md);
  background:rgba(18,26,21,.88);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.hero-live img{width:64px;height:36px;object-fit:cover;border-radius:8px;}
.hero-live-text{display:flex;flex-direction:column;line-height:1.35;}
.hero-live-text b{font-size:13px;font-weight:700;}
.hero-live-text span{font-size:12px;color:var(--text-3);}

/* ============ 快捷入口条 ============ */
.quickbar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.quickbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 32px;
  overflow-x:auto;
  scrollbar-width:none;
  max-width:var(--container);
  margin:0 auto;
}
.quickbar-inner::-webkit-scrollbar{display:none;}
.quick-chip{
  flex:none;
  padding:9px 18px;
  font-size:14px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:all .22s var(--ease);
}
.quick-chip:hover{
  color:var(--brand);
  border-color:rgba(184,255,60,.45);
  background:rgba(184,255,60,.08);
  transform:translateY(-2px);
}
.quick-chip.is-active{
  color:var(--brand);
  border-color:var(--brand);
  background:rgba(184,255,60,.10);
}

/* ============ 横滑轨道 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:18px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:6px 2px 22px;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
}
.rail::-webkit-scrollbar{display:none;}
.rail-item{
  flex:0 0 calc((100% - 18px * 4.5) / 5.5);
  scroll-snap-align:start;
  min-width:0;
}
.rail-btn{
  position:absolute;
  top:38%;
  width:44px;height:44px;
  border-radius:50%;
  background:rgba(18,26,21,.92);
  border:1px solid var(--line);
  color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);
  transition:all .22s var(--ease);
  z-index:5;
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.rail-btn.prev{left:-14px;}
.rail-btn.next{right:-14px;}
.rail-btn svg{width:18px;height:18px;}

/* 海报卡 */
.poster-card{
  display:block;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow);
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.28);}
.poster-thumb{
  position:relative;
  aspect-ratio:2/3;
  overflow:hidden;
  background:var(--surface-2);
}
.poster-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.poster-card:hover .poster-thumb img{transform:scale(1.06);}
.poster-thumb::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,rgba(10,15,12,0),rgba(10,15,12,.92));
}
.poster-tag{
  position:absolute;left:10px;top:10px;z-index:2;
}
.poster-title{
  position:absolute;left:12px;right:12px;bottom:10px;z-index:2;
  font-size:14px;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-body{padding:12px 14px 14px;}
.poster-body p{
  font-size:13px;color:var(--text-3);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ============ Bento 热播 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
}
.bento-item{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow);
  min-height:170px;
  display:flex;
  align-items:flex-end;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.bento-item img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.bento-item:hover img{transform:scale(1.05);}
.bento-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,.05) 0%,rgba(10,15,12,.80) 62%,rgba(10,15,12,.95) 100%);
}
.bento-body{position:relative;z-index:2;padding:22px;width:100%;}
.bento-body h3{font-size:19px;font-weight:700;line-height:1.35;margin-bottom:8px;}
.bento-body p{font-size:14px;color:var(--text-2);line-height:1.6;max-width:520px;}
.bento-a{grid-column:span 6;grid-row:span 2;min-height:380px;}
.bento-a .bento-body h3{font-size:clamp(20px,2.2vw,26px);}
.bento-b{grid-column:span 6;}
.bento-c{grid-column:span 6;}
.bento-d{grid-column:span 3;}
.bento-e{grid-column:span 3;}
.bento-d .bento-body,.bento-e .bento-body{padding:16px;}
.bento-d .bento-body h3,.bento-e .bento-body h3{font-size:16px;}
.bento-d .bento-body p,.bento-e .bento-body p{display:none;}

/* ============ 分区片单 ============ */
.collection{padding:72px 0;}
.collection + .collection{border-top:1px solid var(--line);}
.collection-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.collection-head h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;}
.collection-head p{margin-top:8px;font-size:14px;color:var(--text-2);max-width:620px;}

/* ============ 数据条 ============ */
.stats-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:44px 28px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;}
.stat b{
  display:block;
  font-size:clamp(28px,3.4vw,44px);
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  letter-spacing:-.02em;
}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--text-2);}

/* ============ 最新信息（CMS） ============ */
.news-section{background:var(--paper);color:var(--paper-text);}
.news-section .section-head h2{color:var(--paper-text);}
.news-section .section-no{color:#8A948C;}
.news-section .section-head .section-sub{color:var(--paper-2);}
.news-section .link-more{color:var(--paper-2);}
.news-section .link-more:hover{color:#3E4A40;}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.news-card{
  background:var(--paper-card);
  border:1px solid var(--paper-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px -22px rgba(10,15,12,.45);
  border-color:rgba(10,15,12,.20);
}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#E4E7E0;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--paper-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title:hover{color:#3E4A40;}
.news-summary{
  font-size:14px;line-height:1.7;color:var(--paper-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;align-items:center;gap:10px;
  padding-top:12px;
  border-top:1px solid var(--paper-line);
  font-size:12px;color:#8A948C;
}
.news-meta .pill{
  background:rgba(10,15,12,.06);
  color:#3E4A40;
  letter-spacing:.04em;
}
.news-arrow{margin-left:auto;color:#8A948C;transition:transform .22s var(--ease),color .22s var(--ease);}
.news-card:hover .news-arrow{transform:translateX(4px);color:#161B17;}
.news-empty{
  grid-column:1/-1;
  border:1px dashed rgba(10,15,12,.22);
  border-radius:var(--r-lg);
  padding:48px 24px;
  text-align:center;
  color:var(--paper-2);
  background:rgba(255,255,255,.6);
}
.news-empty strong{display:block;font-size:16px;color:var(--paper-text);margin-bottom:8px;}
.news-empty .empty-link{
  display:inline-block;margin-top:16px;font-size:14px;font-weight:600;
  color:#161B17;border-bottom:1px solid rgba(10,15,12,.35);
}
.news-empty .empty-link:hover{border-bottom-color:var(--c1);color:#3E4A40;}

/* ============ 分类入口卡 ============ */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.cat-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:26px 24px 24px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cat-card::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--c1);
}
.cat-card.c2::before{background:var(--c2);}
.cat-card.c3::before{background:var(--c3);}
.cat-card.c4::before{background:var(--c4);}
.cat-card.c5::before{background:var(--c5);}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(184,255,60,.24);}
.cat-card h3{font-size:20px;font-weight:600;line-height:1.35;}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.cat-card .cat-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.cat-card .cat-link span{transition:transform .22s var(--ease);}
.cat-card:hover .cat-link span{transform:translateX(4px);}
.cat-index{
  font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:16px;
  font-weight:600;
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:none;
  width:22px;height:22px;
  position:relative;
  transition:transform .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:860px;
}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-10%;top:-60%;
  width:60%;height:220%;
  background:radial-gradient(circle at 30% 40%,rgba(184,255,60,.20),rgba(184,255,60,0) 62%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:64px 0;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px;}

/* ============ 表单 ============ */
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  height:48px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:120px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(184,255,60,.15);
}
.field.has-error input{border-color:var(--accent);}
.field .err{font-size:13px;color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{
  background:#060A07;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-brand b{font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-3);line-height:1.6;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:8px;}
.footer-contact b{color:var(--text-2);font-weight:600;flex:none;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:13px;
  color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  transition:all .22s var(--ease);
}
.to-top:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
}
.reveal.is-in{
  opacity:1;
  transform:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}

/* ============ 骨架 ============ */
.skeleton{
  background:linear-gradient(100deg,var(--surface) 30%,var(--surface-2) 50%,var(--surface) 70%);
  background-size:200% 100%;
  animation:shine 1.4s linear infinite;
}
@keyframes shine{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1440px;}
}
@media (max-width:1279px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14px;}
  .rail-item{flex:0 0 calc((100% - 18px * 3.5) / 4.5);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-tight,.collection{padding:56px 0;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .hero-inner{padding:100px 24px 76px;}
  .hero-live{right:24px;bottom:28px;}
  .bento-a{grid-column:span 12;grid-row:auto;min-height:300px;}
  .bento-b,.bento-c{grid-column:span 6;}
  .bento-d,.bento-e{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(odd){border-left:0;}
  .stat{border-top:1px solid var(--line);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .rail-item{flex:0 0 calc((100% - 18px * 2.5) / 3.5);}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .hero{min-height:68vh;}
  .hero-bg{background-position:center 30%;}
  .hero-inner{
    padding:88px 20px 64px;
    display:flex;
    align-items:flex-end;
    min-height:68vh;
  }
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{gap:22px;margin-top:32px;}
  .hero-stats strong{font-size:20px;}
  .hero-live{position:static;margin:0 20px 24px;align-self:flex-start;}
  .bento{grid-template-columns:1fr;}
  .bento-a,.bento-b,.bento-c,.bento-d,.bento-e{grid-column:span 1;}
  .news-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);padding:32px 4px;}
  .stat:first-child{border-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .rail-item{flex:0 0 148px;}
  .rail-btn{display:none;}
  .rail{padding:6px 0 18px;-webkit-mask-image:none;mask-image:none;}
  .cta-inner{padding:48px 0;}
  .cta-inner .btn{width:100%;}
  .quickbar-inner{padding:14px 20px;}
}
@media (max-width:479px){
  :root{--gap:16px;}
  .container{padding:0 16px;}
  .hero h1{font-size:30px;}
  .hero-inner{padding:76px 16px 56px;}
  .section-head h2{font-size:22px;}
  .news-body{padding:16px;}
  .cat-card{padding:22px 18px;}
  .rail-item{flex:0 0 132px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#B8FF3C;
  --brand-hover:#C9FF5E;
  --brand-ink:#0A0F0C;
  --accent:#FF6A2B;
  --bg:#0A0F0C;
  --layer:#121A15;
  --layer-2:#1A241D;
  --line:rgba(255,255,255,.09);
  --t1:#F2F6F0;
  --t2:#A9B6AC;
  --t3:#6F7D73;
  --paper:#F5F6F1;
  --paper-card:#FFFFFF;
  --ink:#161B17;
  --ink-2:#5A665C;
  --paper-line:rgba(10,15,12,.10);
  --olive:#8FA31A;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
::selection{background:rgba(184,255,60,.28);color:var(--t1)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1440px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:519px){.container{padding:0 16px}}

.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--brand-ink);padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip:focus{left:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,15,12,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,15,12,.9);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:10px;
  background:rgba(184,255,60,.10);border:1px solid rgba(184,255,60,.24);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.brand-mark svg{width:22px;height:22px}
.brand:hover .brand-mark{border-color:rgba(184,255,60,.55);background:rgba(184,255,60,.16)}
.brand-text{font-size:17px;white-space:nowrap}

.main-nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--t1)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;padding:14px 28px;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(184,255,60,.45)}
.btn-ghost{border:1px solid rgba(255,255,255,.22);color:var(--t1)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  place-items:center;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--t1);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4);background:rgba(184,255,60,.08)}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(4,7,5,.66);z-index:85;opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

@media (max-width:1023px){
  .header-inner{height:60px;gap:12px}
  .brand-text{font-size:16px}
  .nav-toggle{display:grid}
  .main-nav{
    position:fixed;top:0;right:0;z-index:90;
    width:78%;max-width:340px;height:100vh;
    margin-left:0;padding:84px 24px 32px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--layer);border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .26s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{
    width:100%;height:48px;display:flex;align-items:center;
    font-size:16px;border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--brand)}
  .nav-cta{margin:20px 0 0;width:100%}
}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;min-height:320px;display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center 38%;
  transform:scale(1.03);
}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,15,12,.96) 0%,rgba(10,15,12,.80) 42%,rgba(10,15,12,.34) 100%),
             linear-gradient(180deg,rgba(10,15,12,.42) 0%,rgba(10,15,12,.86) 100%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;padding:64px 0 48px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap}
.crumbs a{transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:var(--t3);opacity:.7}
.crumbs .cur{color:var(--t2)}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;height:24px;padding:0 10px;
  border-radius:6px;font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(143,163,26,.18);color:#D5E97A;margin-bottom:18px;
}
.cat-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#B6CE3C}
.cat-hero h1{
  font-size:clamp(32px,5vw,56px);line-height:1.1;font-weight:800;letter-spacing:-.02em;
  max-width:760px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.cat-hero p.lede{margin-top:16px;max-width:640px;font-size:16px;color:var(--t2);line-height:1.7}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
@media (max-width:1023px){
  .cat-hero{min-height:260px}
  .cat-hero-inner{padding:44px 0 36px}
}
@media (max-width:519px){
  .cat-hero{min-height:200px}
  .cat-hero-inner{padding:32px 0 28px}
  .cat-hero h1{font-size:30px}
  .cat-hero p.lede{font-size:15px}
  .cat-hero-actions .btn{width:100%}
}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
@media (max-width:1023px){.section{padding:72px 0}.section-tight{padding:56px 0}}
@media (max-width:519px){.section{padding:56px 0}.section-tight{padding:44px 0}}

.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:14px;font-size:16px;color:var(--t2);line-height:1.75}

.section-paper{background:var(--paper);color:var(--ink)}
.section-paper .section-title{color:var(--ink)}
.section-paper .section-sub{color:var(--ink-2)}
.section-paper .eyebrow{color:#6E7F14}
.section-paper .eyebrow::before{background:var(--olive)}

/* ---------- 图文交错 ---------- */
.zigzag{display:block}
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--paper-line);
}
.zig-row:first-child{padding-top:0}
.zig-row:last-child{border-bottom:0;padding-bottom:0}
.zig-row.reverse .zig-media{order:2}
.zig-row.reverse .zig-body{order:1}
.zig-media{position:relative;border-radius:var(--radius-md);overflow:hidden;background:#E4E7DE}
.zig-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-md);transition:transform .4s var(--ease)}
.zig-media:hover img{transform:scale(1.04)}
.zig-media .media-badge{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:6px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(10,15,12,.78);color:#D5E97A;backdrop-filter:blur(4px);
}
.zig-index{
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--olive);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.zig-body h3{font-size:20px;line-height:1.35;font-weight:600;color:var(--ink)}
.zig-body p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.point-list{margin-top:18px}
.point-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--ink-2);margin-top:10px}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--olive);
}
@media (max-width:1023px){
  .zig-row{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .zig-row.reverse .zig-media{order:0}
  .zig-row.reverse .zig-body{order:0}
}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.prep-card{
  background:var(--layer);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow-card);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.prep-card:hover{border-color:rgba(184,255,60,.28);transform:translateY(-3px)}
.prep-card h3{font-size:20px;font-weight:600;line-height:1.35}
.prep-card p{margin-top:12px;font-size:15px;color:var(--t2);line-height:1.8}
.prep-list{margin-top:22px;border-top:1px solid var(--line)}
.prep-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--t2);
}
.prep-list li:last-child{border-bottom:0}
.prep-list .num{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(184,255,60,.12);color:var(--brand);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.prep-list b{display:block;color:var(--t1);font-weight:600;font-size:15px;margin-bottom:2px}
@media (max-width:1023px){.prep-grid{grid-template-columns:1fr}.prep-card{padding:26px}}
@media (max-width:519px){.prep-card{padding:22px}}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(184,255,60,.04),rgba(184,255,60,0))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:40px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{
  font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;
}
.stat .num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--t2)}
.stat .label{margin-top:12px;font-size:14px;color:var(--t2);line-height:1.6}
@media (max-width:1023px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:28px 20px;border-bottom:1px solid var(--line)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
}
@media (max-width:519px){
  .stat{padding:22px 16px}
  .stat .num{font-size:30px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--t1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.faq-icon{
  flex:0 0 28px;height:28px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand);
  transition:transform .24s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover .faq-icon{border-color:rgba(184,255,60,.45);background:rgba(184,255,60,.08)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(184,255,60,.12);border-color:rgba(184,255,60,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--t2);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:var(--layer)}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.20) 0%,rgba(184,255,60,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 48px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--t2);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:1023px){.cta-inner{padding:36px 26px}}
@media (max-width:519px){.cta-inner{padding:30px 20px}.cta-actions .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:#060A07;border-top:1px solid var(--line);padding-top:72px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t2);max-width:360px}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--t1);margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:var(--t2);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:12px;align-items:baseline}
.footer-contact b{flex:0 0 auto;color:var(--t3);font-weight:500}
.footer-bottom{
  margin-top:56px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--t2);transition:color .2s var(--ease)}
.to-top:hover{color:var(--brand)}
.to-top:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
@media (max-width:1023px){
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: article */
:root{
  --brand:#B8FF3C;
  --brand-hover:#C9FF5E;
  --brand-ink:#0A0F0C;
  --accent:#FF6A2B;
  --olive:#8FA31A;
  --terracotta:#C4552E;
  --lakeblue:#4E7C8A;
  --violet:#7A5C9E;
  --sand:#B08D3F;
  --bg:#0A0F0C;
  --bg-card:#121A15;
  --bg-elev:#1A241D;
  --bg-footer:#060A07;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.22);
  --text:#F2F6F0;
  --text-2:#A9B6AC;
  --text-3:#6F7D73;
  --paper:#F5F6F1;
  --paper-card:#FFFFFF;
  --paper-text:#161B17;
  --paper-text-2:#5A665C;
  --paper-line:rgba(10,15,12,.10);
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --radius-xs:6px;
  --radius-pill:999px;
  --shadow:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 18px 48px -14px rgba(0,0,0,.78), 0 0 0 1px rgba(184,255,60,.28);
  --shadow-paper:0 14px 40px -20px rgba(10,15,12,.35), 0 0 0 1px rgba(10,15,12,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
  --header-h:72px;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(184,255,60,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部提示条 ---------- */
.top-strip{
  position:relative;z-index:60;background:#060A07;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.top-strip .container{display:flex;align-items:center;justify-content:center;gap:10px;height:38px;position:relative}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,106,43,.55);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,106,43,.5)}70%{box-shadow:0 0 0 10px rgba(255,106,43,0)}100%{box-shadow:0 0 0 0 rgba(255,106,43,0)}}
.top-strip b{color:var(--brand);font-weight:600}
.strip-close{
  position:absolute;right:32px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;color:var(--text-3);
  display:flex;align-items:center;justify-content:center;transition:color .2s var(--ease),background .2s var(--ease);
}
.strip-close:hover{color:var(--text);background:rgba(255,255,255,.08)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;height:var(--header-h);
  background:rgba(10,15,12,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,15,12,.85);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:4px}
.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);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(255,255,255,.06)}
.nav-toggle svg{width:20px;height:20px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,5,.6);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:78%;max-width:340px;background:var(--bg-card);
  border-left:1px solid var(--line);z-index:80;transform:translateX(102%);
  transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:20px;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:17px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2)}
.drawer-close:hover{color:var(--text);border-color:var(--line-strong)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  height:48px;display:flex;align-items:center;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);padding-left:6px}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;font-size:15px;font-weight:600;border-radius:var(--radius-pill);
  border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 0 0 0 rgba(184,255,60,0)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(184,255,60,.45)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;transition:color .2s var(--ease)
}
.btn-text:hover{color:var(--brand-hover)}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--radius-xs);
  background:rgba(184,255,60,.12);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.08em;
}
.tag-live{background:var(--accent);color:#fff;letter-spacing:.04em}
.tag-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.tag-olive{background:rgba(143,163,26,.16);color:#C3D961}
.tag-plain{background:rgba(255,255,255,.08);color:var(--text-2);letter-spacing:.02em}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;min-height:360px;display:flex;align-items:flex-end;
  padding:96px 0 44px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center 30%;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,15,12,.96) 0%,rgba(10,15,12,.78) 46%,rgba(10,15,12,.42) 100%),
             linear-gradient(180deg,rgba(10,15,12,.55) 0%,rgba(10,15,12,.35) 45%,rgba(10,15,12,.98) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-cat{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.cat-bar{width:4px;height:20px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--olive))}
.cat-name{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--text-2)}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  max-width:920px;margin:0 0 20px;text-shadow:0 2px 24px rgba(0,0,0,.5);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);opacity:.8}
.divider{height:1px;background:var(--line)}

/* ---------- 文章主体 ---------- */
.article-main{padding:56px 0 72px}
.article-inner{max-width:860px;margin:0 auto}
.article-cover{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);
}
.article-panel{
  margin-top:32px;background:var(--paper);border-radius:var(--radius-lg);padding:48px 52px 52px;
  box-shadow:var(--shadow-paper);
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--paper-text)}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700;
  margin:44px 0 18px;padding-left:16px;color:#101410;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--olive));
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;font-weight:700;line-height:1.5;margin:32px 0 12px;color:#101410}
.article-body h4{font-size:16px;font-weight:700;margin:24px 0 10px}
.article-body a{color:#3F6B1F;text-decoration:underline;text-underline-offset:4px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--olive)}
.article-body strong{font-weight:700}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--paper-text)}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--olive);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.1em;width:18px;height:18px;line-height:18px;
  font-size:12px;font-weight:700;text-align:center;border-radius:6px;background:rgba(143,163,26,.16);color:#5C6B12;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#EDEFE7;border-left:3px solid var(--olive);border-radius:0 12px 12px 0;
  color:var(--paper-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:0 10px 30px -18px rgba(10,15,12,.5)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--paper-text-2);text-align:center;margin-top:10px}
.article-body code{
  background:#E8EBE1;border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#EDEFE7;border-radius:12px;padding:18px 20px;overflow-x:auto;margin:22px 0;
  font-size:14px;line-height:1.8;border:1px solid var(--paper-line);
}
.article-body pre code{background:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:var(--paper-card);
  border-radius:12px;overflow:hidden;box-shadow:0 0 0 1px var(--paper-line)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--paper-line)}
.article-body th{background:#EDEFE7;font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--paper-line);margin:36px 0}

/* 空态 */
.empty-state{
  margin-top:32px;background:var(--bg-card);border:1px dashed rgba(184,255,60,.35);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:rgba(184,255,60,.12);color:var(--brand);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* 文章提示条 */
.article-note{
  margin-top:28px;display:flex;gap:16px;align-items:flex-start;padding:20px 24px;border-radius:var(--radius-md);
  background:var(--bg-card);border:1px solid var(--line);box-shadow:var(--shadow);
}
.article-note .note-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(184,255,60,.12);color:var(--brand);
}
.article-note b{display:block;font-size:15px;margin-bottom:6px}
.article-note p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;overflow:hidden;background:var(--bg-elev)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-media .card-tag{position:absolute;left:12px;top:12px}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:10px}
.card-body h3{font-size:17px;font-weight:600;line-height:1.45;transition:color .2s var(--ease)}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.card-foot .meta{font-size:13px;color:var(--text-3)}
.card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--text-2);transition:color .2s var(--ease)}
.card-arrow svg{transition:transform .2s var(--ease)}
.card:hover .card-arrow{color:var(--brand)}
.card:hover .card-arrow svg{transform:translateX(4px)}

/* ---------- 阅读要点（浅底） ---------- */
.paper-band{background:var(--paper);color:var(--paper-text);padding:64px 0}
.paper-band .section-head h2{color:#101410}
.paper-band .section-head p{color:var(--paper-text-2)}
.paper-band .eyebrow{color:#6C7A16}
.paper-band .eyebrow::before{background:#8FA31A}
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tip-card{
  background:var(--paper-card);border-radius:var(--radius-md);padding:26px 24px;
  box-shadow:0 0 0 1px var(--paper-line);transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(10,15,12,.45),0 0 0 1px rgba(143,163,26,.4)}
.tip-card .tip-no{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;
  background:rgba(143,163,26,.14);color:#5C6B12;font-size:13px;font-weight:700;margin-bottom:16px;
}
.tip-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:#101410}
.tip-card p{font-size:14px;line-height:1.8;color:var(--paper-text-2)}
.paper-list{margin-top:28px;display:grid;gap:12px}
.paper-list li{
  display:flex;gap:12px;align-items:flex-start;background:var(--paper-card);border-radius:12px;
  padding:16px 20px;font-size:15px;color:#1D241E;box-shadow:0 0 0 1px var(--paper-line);
}
.paper-list li svg{flex-shrink:0;margin-top:5px;color:#8FA31A}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--brand);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:76ch}

/* ---------- CTA 大条 ---------- */
.cta-band{position:relative;overflow:hidden;padding:72px 0;background:var(--bg-card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{
  content:"";position:absolute;right:-10%;top:-40%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.14) 0%,rgba(184,255,60,0) 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-6%;bottom:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(184,255,60,.16);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.25;margin-bottom:12px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px}
.footer-brand b{font-size:18px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-3);max-width:42ch}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col ul a:hover{color:var(--brand);padding-left:4px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:baseline}
.footer-contact b{color:var(--text-3);font-weight:600;font-size:13px;flex-shrink:0;min-width:34px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);transition:color .2s var(--ease)}
.to-top:hover{color:var(--brand)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--container:1280px}
}
@media (max-width:1279px){
  .main-nav{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid,.tip-grid{grid-template-columns:repeat(2,1fr)}
  .article-panel{padding:36px 28px 40px}
  .page-hero{min-height:300px;padding:88px 0 36px}
  .page-hero h1{font-size:clamp(26px,4.6vw,36px)}
  .strip-close{right:24px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .site-header{--header-h:60px}
  .brand-text{font-size:17px}
  .page-hero{min-height:240px;padding:78px 0 28px;background-position:center}
  .page-hero h1{font-size:clamp(23px,6vw,30px);margin-bottom:16px}
  .breadcrumb{font-size:12px;margin-bottom:14px}
  .breadcrumb .current{max-width:22ch}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .card-grid,.tip-grid{grid-template-columns:1fr;gap:18px}
  .article-main{padding:36px 0 56px}
  .article-panel{margin-top:22px;padding:26px 20px 30px;border-radius:14px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{margin:34px 0 14px}
  .article-note{padding:16px 18px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .paper-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-col h4{margin-bottom:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  body{font-size:15px}
  .brand-text{font-size:16px}
  .tag{font-size:11px}
  .btn{padding:13px 22px;font-size:14.5px}
  .footer-brand b{font-size:17px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0F0C;
  --surface:#121A15;
  --surface-2:#1A241D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#F2F6F0;
  --text-2:#A9B6AC;
  --text-3:#6F7D73;
  --accent:#B8FF3C;
  --accent-hover:#C9FF5E;
  --accent-ink:#0A0F0C;
  --warn:#FF6A2B;
  --cat:#C4552E;
  --cat-soft:rgba(196,85,46,.16);
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-hover:0 18px 48px -16px rgba(0,0,0,.85), 0 0 0 1px rgba(184,255,60,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 82% -6%, rgba(184,255,60,.09), transparent 62%),
    radial-gradient(760px 420px at 6% 8%, rgba(196,85,46,.10), transparent 64%);
  z-index:0;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--accent);}
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;}
::selection{background:rgba(184,255,60,.28);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,12,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.88);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:34px;
  height:34px;
  flex:none;
  display:grid;
  place-items:center;
}
.brand-mark svg{width:34px;height:34px;display:block;}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--accent);}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:6px;}
.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);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);background:rgba(184,255,60,.08);}
.nav-toggle svg{width:20px;height:20px;}

.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:78%;
  max-width:340px;
  background:#0D130F;
  border-left:1px solid var(--line);
  padding:84px 24px 28px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  z-index:80;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .d-link{
  display:block;
  line-height:48px;
  font-size:15.5px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .d-link.is-active{color:var(--accent);}
.mobile-drawer .btn{margin-top:18px;width:100%;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(4,7,5,.66);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  cursor:pointer;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{background:var(--accent-hover);color:var(--accent-ink);transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(184,255,60,.45);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border-color:rgba(255,255,255,.22);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}
.btn-link:hover{color:var(--accent-hover);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  background:rgba(184,255,60,.12);
  color:var(--accent);
}
.tag-cat{background:var(--cat-soft);color:#E9A184;letter-spacing:.04em;}
.tag-live{background:var(--warn);color:#fff;letter-spacing:.04em;}
.tag-live::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:#fff;
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ============ 页面 Hero ============ */
.cat-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center 32%;
  transform:scale(1.02);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,15,12,.96) 0%,rgba(10,15,12,.72) 46%,rgba(10,15,12,.42) 100%);
  z-index:1;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,.55) 0%,rgba(10,15,12,.1) 45%,rgba(10,15,12,.96) 100%);
  z-index:1;
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding-top:64px;
  padding-bottom:48px;
  max-width:760px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{color:var(--text-3);}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.cat-hero p.hero-sub{
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:620px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

/* ============ 通用区块 ============ */
.section{
  padding:96px 0;
  position:relative;
}
.section--tight{padding:72px 0;}
.section-head{
  max-width:760px;
  margin-bottom:48px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--cat);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(24px,3vw,36px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-desc{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
.section-divider{
  height:1px;
  background:var(--line);
  border:0;
  margin:0;
}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--surface) 0%,#0E1611 100%);
  overflow:hidden;
}
.stat-item{
  padding:30px 26px;
  border-right:1px solid var(--line);
  position:relative;
}
.stat-item:last-child{border-right:0;}
.stat-item::before{
  content:"";
  position:absolute;
  left:26px;top:22px;
  width:26px;height:2px;
  background:var(--cat);
  border-radius:2px;
}
.stat-num{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  margin-top:16px;
  margin-bottom:8px;
  color:var(--text);
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-3);margin-left:6px;letter-spacing:0;}
.stat-label{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding-left:56px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:10px;
  bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--cat) 0%,rgba(196,85,46,.24) 62%,rgba(196,85,46,.05) 100%);
}
.tl-item{
  position:relative;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-56px;
  top:2px;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid rgba(196,85,46,.5);
  color:#E9A184;
  display:grid;
  place-items:center;
  font-size:13.5px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  transition:border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.tl-item:hover .tl-dot{
  background:var(--cat);
  border-color:var(--cat);
  color:#fff;
}
.tl-grid{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:36px;
  align-items:start;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.tl-item:last-child .tl-grid{border-bottom:0;padding-bottom:0;}
.tl-title{
  font-size:20px;
  line-height:1.35;
  font-weight:600;
  color:var(--text);
  letter-spacing:-.01em;
}
.tl-sub{
  display:block;
  margin-top:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--cat);
}
.tl-text{
  font-size:15.5px;
  line-height:1.9;
  color:var(--text-2);
}
.tl-text strong{color:var(--text);font-weight:600;}

/* ============ 交错图文 ============ */
.split-list{
  border-top:1px solid var(--line);
}
.split-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.split-row:nth-child(even) .split-media{order:2;}
.split-media{
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.split-row:hover .split-media img{transform:scale(1.05);}
.split-media--wide{aspect-ratio:16/9;}
.split-body h3{
  font-size:22px;
  line-height:1.35;
  font-weight:700;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.split-body p{
  font-size:15.5px;
  line-height:1.9;
  color:var(--text-2);
  margin-bottom:14px;
}
.mini-list{display:flex;flex-direction:column;gap:10px;}
.mini-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.mini-list li::before{
  content:"";
  flex:none;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:2px;
  background:var(--accent);
}

/* ============ 准备卡 ============ */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--cat-soft);
  color:#E9A184;
  margin-bottom:20px;
}
.card-icon svg{width:22px;height:22px;}
.card h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:14px;
  line-height:1.4;
}
.card p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:16px;
}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li b{color:var(--text);font-weight:600;flex:none;min-width:56px;font-variant-numeric:tabular-nums;}

/* ============ 步骤小卡（横向流程） ============ */
.flow-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:40px;
}
.flow-item{
  background:var(--surface-2);
  border-radius:var(--radius-md);
  padding:24px;
  border-left:3px solid var(--cat);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.flow-item:hover{background:#1F2A22;transform:translateY(-3px);}
.flow-item span{
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--cat);
  font-variant-numeric:tabular-nums;
}
.flow-item h4{
  font-size:16px;
  font-weight:600;
  margin:10px 0 8px;
}
.flow-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}

/* ============ FAQ ============ */
.faq{
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:24px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  position:relative;
  width:16px;height:16px;
  flex:none;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 40px 24px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-item.is-open .faq-a{max-height:320px;}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:#0E1611;
  border:1px solid var(--line);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:520px;height:520px;
  background:radial-gradient(circle,rgba(184,255,60,.20) 0%,rgba(184,255,60,0) 66%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:280px;height:2px;
  background:linear-gradient(90deg,var(--cat),transparent);
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.cta-copy p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#060A07;
  border-top:1px solid var(--line);
  padding-top:72px;
  margin-top:24px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-brand .brand-mark svg{width:30px;height:30px;}
.footer-brand b{font-size:16.5px;font-weight:700;}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  gap:12px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.footer-contact li b{
  flex:none;
  min-width:40px;
  font-weight:600;
  color:var(--text-3);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:24px 0 32px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{border-color:var(--accent);color:var(--accent);background:rgba(184,255,60,.08);}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1440px;}
}
@media (max-width:1279px){
  .main-nav{gap:18px;}
  .nav-link{font-size:14.5px;}
  .brand-text{font-size:16px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .tl-grid{grid-template-columns:200px 1fr;gap:26px;}
  .flow-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}
  .split-row{gap:36px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .cat-hero{min-height:220px;}
  .cat-hero-inner{padding-top:44px;padding-bottom:32px;}
  .cat-hero p.hero-sub{font-size:15px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px;}
  .stat-item:last-child{border-bottom:0;}
  .timeline{padding-left:44px;}
  .timeline::before{left:15px;}
  .tl-dot{left:-44px;width:32px;height:32px;font-size:12.5px;top:0;}
  .tl-grid{grid-template-columns:1fr;gap:12px;padding-bottom:28px;}
  .tl-item{padding-bottom:32px;}
  .tl-title{font-size:18px;}
  .split-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .split-row:nth-child(even) .split-media{order:0;}
  .card-grid-2{grid-template-columns:1fr;}
  .flow-row{grid-template-columns:1fr;}
  .card{padding:24px;}
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .faq-a p{padding-right:0;}
}
@media (max-width:519px){
  body{font-size:15.5px;}
  .cat-hero h1{font-size:26px;}
  .section-title{font-size:22px;}
  .stat-num{font-size:26px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .cta-band::before{width:340px;height:340px;right:-140px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#B8FF3C;
  --brand-hi:#C9FF5E;
  --brand-ink:#0A0F0C;
  --accent:#FF6A2B;
  --bg:#0A0F0C;
  --bg-card:#121A15;
  --bg-elev:#1A241D;
  --bg-footer:#060A07;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.20);
  --text:#F2F6F0;
  --text-2:#A9B6AC;
  --text-3:#6F7D73;
  --cat:#4E7C8A;
  --cat-soft:rgba(78,124,138,.20);
  --cat-line:rgba(78,124,138,.55);
  --light-bg:#F5F6F1;
  --light-text:#161B17;
  --light-text-2:#5A665C;
  --light-line:rgba(10,15,12,.10);
  --r-xl:18px;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-xs:6px;
  --pill:999px;
  --shadow-card:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-btn:0 10px 30px -8px rgba(184,255,60,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(184,255,60,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--pill);
  border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:var(--brand-ink);}
.btn-primary:hover{background:var(--brand-hi);transform:translateY(-2px);box-shadow:var(--shadow-btn);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22);}
.btn-ghost:hover{border-color:var(--brand);background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid rgba(184,255,60,.55);
  padding-bottom:2px;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.btn-link:hover{color:var(--brand);border-color:var(--brand);}
.btn-link svg{transition:transform .22s var(--ease);}
.btn-link:hover svg{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:24px;padding:0 10px;
  border-radius:var(--r-xs);
  font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(184,255,60,.12);
  color:var(--brand);
}
.badge-cat{background:var(--cat-soft);color:#9FC6D0;letter-spacing:.06em;}
.badge-live{background:var(--accent);color:#fff;letter-spacing:.04em;}
.dot-live{
  width:8px;height:8px;border-radius:50%;background:#fff;
  animation:pulse 1.6s infinite var(--ease);
}
@keyframes pulse{
  0%{opacity:1;transform:scale(1);}
  50%{opacity:.35;transform:scale(.82);}
  100%{opacity:1;transform:scale(1);}
}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,15,12,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.88);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:32px;height:32px;display:block;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-short{display:none;font-size:17px;font-weight:700;}

.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:6px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle:hover{border-color:var(--brand);background:rgba(255,255,255,.05);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  height:320px;
  background-size:cover;
  background-position:center;
  background-color:#0E140F;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,15,12,.94) 0%,rgba(10,15,12,.80) 42%,rgba(10,15,12,.42) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 8% 110%,var(--cat-soft),transparent 62%);
  opacity:.85;
}
.hero-inner{
  position:relative;z-index:2;
  height:100%;
  display:flex;flex-direction:column;justify-content:center;
  gap:14px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb a{transition:color .22s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .now{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
}
.hero-sub{
  font-size:16px;color:var(--text-2);
  max-width:660px;line-height:1.7;
}
.cat-flag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:#9FC6D0;
}
.cat-flag i{display:block;width:4px;height:16px;border-radius:2px;background:var(--cat);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head p{
  color:var(--text-2);font-size:15px;max-width:720px;line-height:1.8;
}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.1em;
  color:var(--text-3);margin-bottom:14px;
}
.section-kicker i{display:block;width:16px;height:2px;background:var(--cat);border-radius:2px;}

/* ---------- 大图双列卡 ---------- */
.media-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:32px;
}
.media-card{
  background:var(--bg-card);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.media-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 48px -16px rgba(0,0,0,.78), 0 0 0 1px rgba(78,124,138,.45);
}
.media-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-elev);
}
.media-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.media-card:hover .media-thumb img{transform:scale(1.05);}
.media-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,0) 45%,rgba(10,15,12,.72) 100%);
}
.thumb-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-xs);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(10,15,12,.62);
  border:1px solid var(--cat-line);
  color:#B9DAE3;
  backdrop-filter:blur(6px);
}
.media-body{padding:24px 26px 28px;}
.media-body h3{
  font-size:20px;font-weight:600;line-height:1.35;
  margin-bottom:12px;
}
.media-body p{
  font-size:15px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.media-foot{
  margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.media-foot span{font-size:13px;color:var(--text-3);}
.media-foot .arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.media-card:hover .media-foot .arrow{color:var(--brand);transform:translateX(3px);}

/* ---------- 节奏时间表 ---------- */
.rhythm{
  background:var(--bg-card);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-card);
  padding:36px 40px;
}
.rhythm-head{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-bottom:22px;border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.rhythm-head h3{font-size:20px;font-weight:600;}
.rhythm-head .hint{font-size:13px;color:var(--text-3);}
.rhythm-list li{
  display:grid;
  grid-template-columns:120px 1fr auto;
  align-items:center;
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.rhythm-list li:last-child{border-bottom:0;}
.rhythm-time{
  font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;letter-spacing:.02em;
  color:var(--text);
}
.rhythm-main b{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.rhythm-main span{font-size:14px;color:var(--text-2);}
.state{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-xs);
  font-size:12px;font-weight:600;
  border:1px solid var(--line-strong);color:var(--text-2);
}
.state.is-done{border-color:rgba(184,255,60,.4);color:var(--brand);background:rgba(184,255,60,.08);}
.state.is-live{border-color:transparent;background:var(--accent);color:#fff;}
.state .dot-live{width:6px;height:6px;}

/* ---------- 浅底区 ---------- */
.light-zone{
  background:var(--light-bg);
  color:var(--light-text);
  padding:88px 0;
}
.light-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.light-grid h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  margin-bottom:16px;
}
.light-grid .lead{color:var(--light-text-2);font-size:16px;line-height:1.85;margin-bottom:26px;}
.step-list li{
  display:flex;gap:16px;
  padding:18px 0;
  border-top:1px solid var(--light-line);
}
.step-list li:first-child{border-top:0;padding-top:0;}
.step-num{
  flex:0 0 auto;
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--cat);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-body b{display:block;font-size:16px;font-weight:600;margin-bottom:6px;}
.step-body span{font-size:15px;color:var(--light-text-2);line-height:1.8;}
.light-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 20px 50px -22px rgba(10,15,12,.45);
}
.light-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.light-figure figcaption{
  background:#fff;padding:14px 18px;
  font-size:13px;color:var(--light-text-2);
  border-top:1px solid var(--light-line);
}

/* ---------- 编号要点 ---------- */
.point-list{display:grid;gap:16px;}
.point-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:24px;
  padding:26px 30px;
  background:var(--bg-card);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.point-item:hover{
  transform:translateY(-3px);
  box-shadow:0 18px 46px -16px rgba(0,0,0,.78), 0 0 0 1px rgba(78,124,138,.45);
}
.point-idx{
  font-size:22px;font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--cat);letter-spacing:.02em;
  min-width:52px;
}
.point-body b{display:block;font-size:18px;font-weight:600;margin-bottom:6px;}
.point-body span{font-size:15px;color:var(--text-2);line-height:1.8;}
.point-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.point-item:hover .point-arrow{color:var(--brand);border-color:rgba(184,255,60,.5);transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{
  transform:rotate(180deg);
  border-color:rgba(184,255,60,.5);
  background:rgba(184,255,60,.10);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease),opacity .28s var(--ease);
  opacity:0;
}
.faq-a.is-open{opacity:1;}
.faq-a p{
  padding:0 44px 26px 4px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ---------- CTA 大条 ---------- */
.cta-band{
  position:relative;
  background:var(--bg-elev);
  border-radius:var(--r-xl);
  padding:56px 56px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;
  width:620px;height:620px;border-radius:50%;
  right:-180px;top:-260px;
  background:radial-gradient(circle,rgba(184,255,60,.20),transparent 62%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-inner h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;line-height:1.25;margin-bottom:12px;
}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-footer);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:28px;height:28px;}
.footer-brand b{font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);
  margin-bottom:18px;letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;color:var(--text-2);
  transition:color .22s var(--ease);
}
.footer-col ul a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;color:var(--text-2);margin-bottom:12px;
}
.footer-contact b{
  flex:0 0 42px;font-weight:500;color:var(--text-3);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--line);
  padding:24px 0 28px;
  font-size:13px;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);font-size:13px;
  transition:color .22s var(--ease);
}
.to-top:hover{color:var(--brand);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1439px){
  .container{max-width:1280px;}
}
@media (max-width:1279px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14px;}
  .navbar-gap{gap:16px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    width:78%;
    max-width:360px;
    height:100vh;
    background:rgba(10,15,12,.98);
    backdrop-filter:blur(14px);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 24px 32px;
    transform:translateX(102%);
    transition:transform .28s var(--ease);
    z-index:70;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:15px;
    padding:0;
    height:48px;
    display:flex;align-items:center;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .nav-cta{
    margin:24px 0 0;
    width:100%;
    height:48px;
    font-size:15px;
  }
  .media-grid{gap:24px;}
  .light-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cta-actions{flex-wrap:wrap;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .brand-name{display:none;}
  .brand-short{display:inline;}
  .page-hero{height:200px;}
  .hero-inner{gap:10px;}
  .hero-sub{font-size:14px;}
  .media-grid{grid-template-columns:1fr;gap:20px;}
  .media-body{padding:20px 20px 24px;}
  .media-body h3{font-size:18px;}
  .rhythm{padding:24px 20px;}
  .rhythm-list li{grid-template-columns:1fr;gap:8px;align-items:start;}
  .rhythm-time{font-size:16px;}
  .light-zone{padding:56px 0;}
  .point-item{grid-template-columns:auto 1fr;gap:16px;padding:22px 20px;}
  .point-arrow{display:none;}
  .cta-band{padding:36px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px;}
}
@media (max-width:519px){
  body{font-size:15px;}
  .header-inner{height:60px;}
  .page-hero h1{font-size:24px;}
  .section-head h2{font-size:22px;}
  .media-body p{-webkit-line-clamp:4;}
  .faq-q{font-size:15px;padding:20px 2px;}
  .faq-a p{padding:0 8px 22px 2px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --green:#B8FF3C;
  --green-hover:#C9FF5E;
  --green-ink:#0A0F0C;
  --orange:#FF6A2B;
  --bg:#0A0F0C;
  --bg-foot:#060A07;
  --bg-card:#121A15;
  --bg-raise:#1A241D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --t1:#F2F6F0;
  --t2:#A9B6AC;
  --t3:#6F7D73;
  --cat:#B08D3F;
  --cat-soft:rgba(176,141,63,.16);
  --paper:#F5F6F1;
  --paper-ink:#161B17;
  --paper-sub:#5A665C;
  --paper-line:rgba(10,15,12,.10);
  --r-xl:18px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-card:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-pop:0 18px 48px -14px rgba(0,0,0,.78), 0 0 0 1px rgba(184,255,60,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--green);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--green);color:var(--green-ink);}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.digits{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,15,12,.72);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.88);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.brand b{font-weight:700;}
.brand-mark{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:linear-gradient(150deg,rgba(184,255,60,.16),rgba(184,255,60,.04));
  box-shadow:inset 0 0 0 1px rgba(184,255,60,.22);
}
.brand-mark svg{width:24px;height:24px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--green);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--green);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t1);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:4px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4);background:rgba(255,255,255,.05);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .24s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(4,7,5,.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:78%;
  max-width:340px;
  height:100%;
  background:var(--bg-card);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  z-index:100;
  display:flex;
  flex-direction:column;
  padding:20px 20px 0;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:15px;font-weight:700;}
.drawer-close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  transition:border-color .2s var(--ease);
}
.drawer-close:hover{border-color:rgba(184,255,60,.45);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;overflow:auto;}
.drawer-nav a{
  height:48px;
  display:flex;
  align-items:center;
  font-size:15px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--green);padding-left:6px;}
.drawer-foot{margin-top:auto;padding:16px 0 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--green);
  color:var(--green-ink);
}
.btn-primary:hover{
  background:var(--green-hover);
  color:var(--green-ink);
  transform:translateY(-2px);
  box-shadow:0 10px 30px -8px rgba(184,255,60,.45);
}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  border-color:rgba(255,255,255,.22);
  color:var(--t1);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--green);
  background:rgba(255,255,255,.08);
  color:var(--t1);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:4px;
  transition:color .2s var(--ease);
}
.link-more:hover{color:var(--green-hover);}

/* ---------- 通用徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  background:rgba(184,255,60,.12);
  color:var(--green);
}
.badge-cat{
  background:var(--cat-soft);
  color:#E4C77C;
  letter-spacing:.08em;
}
.badge-live{
  background:var(--orange);
  color:#fff;
  letter-spacing:.04em;
}
.badge-live::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:#fff;
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.35;transform:scale(.7);}
}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.03);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(6,10,7,.96) 0%,rgba(6,10,7,.82) 42%,rgba(6,10,7,.42) 78%,rgba(6,10,7,.30) 100%);
  z-index:1;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:140px;
  background:linear-gradient(180deg,rgba(10,15,12,0),rgba(10,15,12,.92));
  z-index:1;
}
.page-hero__inner{
  position:relative;
  z-index:2;
  padding:64px 32px 56px;
  max-width:820px;
  margin:0;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--t2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb em{font-style:normal;color:var(--t3);}
.cat-mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:#E4C77C;
}
.cat-mark i{
  display:block;
  width:4px;
  height:16px;
  border-radius:2px;
  background:var(--cat);
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,48px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
}
.page-hero__desc{
  margin-top:16px;
  font-size:16px;
  color:var(--t2);
  max-width:640px;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
}
.sec-num{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--cat);
  margin-bottom:10px;
}
.section-head p{
  margin-top:10px;
  color:var(--t2);
  font-size:15px;
  max-width:720px;
}

/* ---------- 图墙 ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  grid-auto-rows:180px;
  grid-auto-flow:dense;
  gap:20px;
}
.gcard{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--bg-card);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
  display:flex;
  align-items:flex-end;
  min-height:180px;
}
.gcard.tall{grid-row:span 2;min-height:380px;}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-pop);}
.gcard__img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.gcard:hover .gcard__img{transform:scale(1.06);}
.gcard__mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,7,.06) 24%,rgba(6,10,7,.86) 100%);
}
.gcard__body{
  position:relative;
  z-index:2;
  padding:22px;
  width:100%;
}
.gcard__tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:#E4C77C;
  background:rgba(10,15,12,.55);
  border:1px solid rgba(176,141,63,.4);
  border-radius:6px;
  padding:2px 8px;
  margin-bottom:10px;
}
.gcard__title{
  font-size:19px;
  font-weight:600;
  line-height:1.35;
}
.gcard__text{
  margin-top:8px;
  font-size:14px;
  color:var(--t2);
  line-height:1.65;
}
.gcard.tall .gcard__title{font-size:22px;}

/* ---------- 说明区（浅底双轨） ---------- */
.paper{
  background:var(--paper);
  color:var(--paper-ink);
  border-top:1px solid var(--paper-line);
  border-bottom:1px solid var(--paper-line);
}
.paper .sec-num{color:#8A6B23;}
.paper .section-head{border-bottom-color:var(--paper-line);}
.paper .section-head p{color:var(--paper-sub);}
.paper h2,.paper h3{color:var(--paper-ink);}
.explain-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:32px;
}
.explain-block{
  background:#fff;
  border:1px solid var(--paper-line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:0 10px 30px -18px rgba(10,15,12,.35);
}
.explain-block h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.explain-block h3 i{
  display:block;
  width:4px;height:18px;
  border-radius:2px;
  background:var(--cat);
  flex:0 0 auto;
}
.explain-block p{
  color:var(--paper-sub);
  font-size:15px;
  line-height:1.9;
}
.explain-block p + p{margin-top:12px;}

.points{
  margin-top:32px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.point{
  background:#fff;
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  padding:22px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.point:hover{transform:translateY(-3px);border-color:rgba(176,141,63,.6);}
.point b{
  display:block;
  font-size:15px;
  font-weight:700;
  margin-bottom:8px;
}
.point span{
  display:block;
  font-size:14px;
  color:var(--paper-sub);
  line-height:1.8;
}
.point u{
  display:inline-block;
  width:26px;height:4px;
  border-radius:2px;
  background:var(--cat);
  text-decoration:none;
  margin-bottom:14px;
}

/* ---------- 快速对照（暗底清单） ---------- */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.check-item:hover{
  border-color:rgba(184,255,60,.28);
  background:var(--bg-raise);
  transform:translateY(-3px);
}
.check-item .idx{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:9px;
  display:grid;place-items:center;
  font-size:13px;
  font-weight:700;
  color:var(--green-ink);
  background:var(--green);
  font-variant-numeric:tabular-nums;
}
.check-item h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:6px;
}
.check-item p{
  font-size:14px;
  color:var(--t2);
  line-height:1.75;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--t1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--green);}
.faq-q .ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line-strong);
  display:grid;
  place-items:center;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.faq-q .ico svg{width:13px;height:13px;stroke:var(--t2);}
.faq-item.is-open .faq-q{color:var(--green);}
.faq-item.is-open .faq-q .ico{
  transform:rotate(180deg);
  border-color:rgba(184,255,60,.45);
  background:rgba(184,255,60,.10);
}
.faq-item.is-open .faq-q .ico svg{stroke:var(--green);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 60px 24px 4px;
  font-size:15px;
  color:var(--t2);
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--bg-card);
  border-radius:var(--r-xl);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-160px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.20),rgba(184,255,60,0) 68%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:620px;}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
}
.cta-band p{
  margin-top:12px;
  color:var(--t2);
  font-size:15px;
}
.cta-band__actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-foot);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  color:var(--t3);
  line-height:1.85;
  max-width:380px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:var(--t2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--green);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--t2);
  line-height:1.7;
}
.footer-contact b{
  flex:0 0 auto;
  color:var(--t3);
  font-weight:600;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--t3);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--t2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{color:var(--green);transform:translateY(-2px);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation-duration:.001s !important;transition-duration:.001s !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main-nav{gap:18px;}
  .nav-link{font-size:14px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .page-hero__inner{padding:52px 24px 44px;}
  .section{padding:72px 0;}
  .section--tight{padding:60px 0;}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:170px;}
  .gcard.tall{grid-row:span 1;min-height:220px;}
  .explain-grid{grid-template-columns:1fr;gap:22px;}
  .points{grid-template-columns:1fr;gap:16px;}
  .checklist{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .brand{font-size:16px;}
  .page-hero{min-height:200px;}
  .page-hero__inner{padding:40px 16px 36px;}
  .page-hero__desc{font-size:15px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:200px;}
  .gcard.tall{min-height:240px;}
  .gcard__body{padding:18px;}
  .explain-block{padding:22px;}
  .faq-a p{padding:0 0 22px 0;}
  .cta-band{padding:28px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;margin-top:72px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .page-hero h1{font-size:24px;}
  .gcard.tall .gcard__title{font-size:19px;}
  .btn{padding:13px 22px;font-size:14px;}
}

/* roulang page: category4 */
:root{
  --brand:#B8FF3C;
  --brand-hover:#C9FF5E;
  --brand-ink:#0A0F0C;
  --accent:#FF6A2B;
  --cat:#7A5C9E;
  --cat-soft:rgba(122,92,158,.16);
  --cat-line:rgba(122,92,158,.42);
  --cat-text:#C6B0E8;
  --bg:#0A0F0C;
  --bg-deep:#060A07;
  --surface:#121A15;
  --surface-2:#1A241D;
  --line:rgba(255,255,255,.09);
  --text:#F2F6F0;
  --text-2:#A9B6AC;
  --text-3:#6F7D73;
  --light-bg:#F5F6F1;
  --light-text:#161B17;
  --light-text-2:#5A665C;
  --light-line:rgba(10,15,12,.10);
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-input:12px;
  --shadow-card:0 12px 40px -12px rgba(0,0,0,.70), 0 0 0 1px rgba(255,255,255,.06);
  --shadow-glow:0 10px 30px -8px rgba(184,255,60,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}

*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部预告条 ---------- */
.topbar{
  height:36px;
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  position:relative;
  z-index:45;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:36px;
}
.topbar-msg{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-msg span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(184,255,60,.14);
  flex:none;
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(184,255,60,.32);}
  70%{box-shadow:0 0 0 8px rgba(184,255,60,0);}
  100%{box-shadow:0 0 0 0 rgba(184,255,60,0);}
}
.topbar-close{
  width:24px;height:24px;border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);flex:none;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.topbar-close:hover{background:rgba(255,255,255,.08);color:var(--text);}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(10,15,12,.55);
  backdrop-filter:blur(6px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.85);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--surface);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  flex:none;
}
.brand-mark svg{width:24px;height:24px;}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-name-short{display:none;}

.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:8px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:6px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;justify-content:center;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(184,255,60,.4);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(6,10,7,.6);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:55;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:78%;
  max-width:340px;
  background:var(--surface);
  border-left:1px solid var(--line);
  padding:20px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  z-index:60;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:15px;font-weight:700;color:var(--text);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.drawer-close:hover{color:var(--text);border-color:rgba(184,255,60,.4);}
.drawer-link{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:var(--surface-2);color:var(--text);}
.drawer-link.is-active{background:var(--cat-soft);color:var(--cat-text);font-weight:600;}
.drawer-cta{margin-top:auto;width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:var(--brand-ink);}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow);}
.btn-outline{border-color:rgba(255,255,255,.22);color:var(--text);}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
}
.btn-text:hover{color:var(--brand-hover);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 分类 Hero ---------- */
.hero-cat{
  position:relative;
  height:320px;
  display:flex;
  align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-cat::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,15,12,.94) 0%,rgba(10,15,12,.78) 42%,rgba(10,15,12,.42) 100%);
}
.hero-cat::after{
  content:"";
  position:absolute;inset:auto 0 0 0;
  height:140px;
  background:linear-gradient(180deg,rgba(10,15,12,0) 0%,rgba(10,15,12,.92) 100%);
}
.hero-cat-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding-bottom:36px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:16px;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--text-2);}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 10px;
  border-radius:6px;
  background:var(--cat-soft);
  color:var(--cat-text);
  font-size:12px;font-weight:600;letter-spacing:.08em;
  margin-bottom:16px;
}
.cat-badge i{
  width:6px;height:6px;border-radius:50%;
  background:var(--cat);
  display:block;
}
.hero-cat h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:840px;
}
.hero-cat p{
  margin-top:14px;
  max-width:720px;
  font-size:16px;
  color:var(--text-2);
}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--cat-text);
  background:var(--cat-soft);
  height:24px;padding:0 10px;border-radius:6px;
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--text-2);
  font-size:16px;
}

/* ---------- 数据条 ---------- */
.stats-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:32px 28px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:0;}
.stat-num{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-label{
  margin-top:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.stat-desc{
  margin-top:6px;
  font-size:13px;
  color:var(--text-3);
  line-height:1.6;
}

/* ---------- 要点清单卡 ---------- */
.spec-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.spec-card{
  position:relative;
  display:grid;
  grid-template-columns:88px 1fr 48px;
  align-items:center;
  gap:24px;
  padding:30px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.spec-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--cat);
  opacity:.85;
}
.spec-card:hover{
  transform:translateY(-4px);
  border-color:var(--cat-line);
  background:var(--surface-2);
}
.spec-no{
  font-size:30px;
  font-weight:800;
  color:var(--cat-text);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.spec-no small{
  display:block;
  margin-top:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-3);
}
.spec-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.35;
  margin-bottom:10px;
}
.spec-body p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}
.spec-tags{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:14px;
}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(255,255,255,.06);
  color:var(--text-2);
  border:1px solid var(--line);
}
.tag-cat{background:var(--cat-soft);color:var(--cat-text);border-color:transparent;}
.spec-arrow{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.spec-card:hover .spec-arrow{
  transform:translateX(4px);
  border-color:rgba(184,255,60,.45);
  color:var(--brand);
  background:rgba(184,255,60,.08);
}

/* ---------- 浅底说明区 ---------- */
.light-band{
  background:var(--light-bg);
  color:var(--light-text);
}
.light-band .eyebrow{
  background:rgba(122,92,158,.12);
  color:#5C4482;
}
.light-band .section-head h2{color:var(--light-text);}
.light-band .section-head p{color:var(--light-text-2);}
.split{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--light-line);
  background:#fff;
  box-shadow:0 20px 50px -24px rgba(10,15,12,.45);
}
.split-media img{
  width:100%;
  aspect-ratio:16/9;
  transition:transform .4s var(--ease);
}
.split-media:hover img{transform:scale(1.04);}
.split-copy h3{
  font-size:22px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:16px;
  color:var(--light-text);
}
.split-copy p{
  font-size:16px;
  line-height:1.85;
  color:var(--light-text-2);
  margin-bottom:16px;
}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.7;
  color:var(--light-text);
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--light-line);
  border-radius:var(--r-md);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.check-list li:hover{transform:translateY(-2px);border-color:rgba(122,92,158,.5);}
.check-list .mark{
  width:22px;height:22px;border-radius:6px;
  background:var(--cat);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  flex:none;
  margin-top:2px;
}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step{
  position:relative;
  padding:28px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(184,255,60,.28);}
.step-no{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(184,255,60,.12);
  color:var(--brand);
  font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  line-height:1.4;
}
.step p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}
.step-line{
  position:absolute;
  top:46px;right:-16px;
  width:32px;height:1px;
  background:var(--line);
}
.step:last-child .step-line{display:none;}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--line);
  max-width:900px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  width:24px;height:24px;
  flex:none;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--brand);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .24s var(--ease);
}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:820px;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,60,.18) 0%,rgba(184,255,60,0) 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:64px 0;
}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.cta-copy p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:600px;
}
.cta-actions{display:flex;gap:14px;flex:none;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
}
.footer-brand b{
  font-size:16px;
  font-weight:700;
  color:var(--text);
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--text-3);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:var(--text-3);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-3);
  line-height:1.6;
}
.footer-contact b{
  color:var(--text-2);
  font-weight:600;
  flex:none;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);
  font-size:13px;
}
.to-top:hover{color:var(--brand);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14px;}
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .brand-name{font-size:16px;}
  .section{padding:56px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(3){border-left:0;}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line);}
  .split{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step-line{display:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .brand-name{display:none;}
  .brand-name-short{display:inline;font-size:16px;font-weight:700;}
  .hero-cat{height:200px;}
  .hero-cat-inner{padding-bottom:24px;}
  .hero-cat p{font-size:15px;margin-top:10px;}
  .section{padding:44px 0;}
  .section-head{margin-bottom:28px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0 !important;border-top:1px solid var(--line);padding:24px 20px;}
  .stat-item:first-child{border-top:0;}
  .spec-card{
    grid-template-columns:56px 1fr;
    gap:16px;
    padding:24px 20px;
  }
  .spec-arrow{display:none;}
  .spec-no{font-size:24px;}
  .spec-body h3{font-size:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .hero-cat{height:190px;}
  .hero-cat h1{font-size:26px;}
  .stat-num{font-size:34px;}
  .section{padding:40px 0;}
}