/* roulang page: index */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --surface-ink-2:rgba(255,255,255,.06);
  --paper:#F5F6F2;
  --lime:#C8FF3D;
  --lime-deep:#9FE01F;
  --lime-soft:rgba(200,255,61,.12);
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --ink-text-lo:rgba(16,19,15,.62);
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --font-main:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius-card:16px;
  --radius-hero:20px;
  --radius-pill:999px;
  --radius-sm:12px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --gutter:32px;
  --sec-space:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text-hi);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-card);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.paper-block{background:var(--paper);color:var(--ink-text);}

/* ============ 悬浮胶囊导航 ============ */
.site-nav{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:calc(100% - 40px);max-width:1200px;z-index:120;
  display:flex;align-items:center;gap:18px;
  padding:12px 14px 12px 20px;
  border:1px solid var(--line-ink);border-radius:var(--radius-pill);
  background:rgba(11,13,12,.55);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:padding 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease),top 220ms var(--ease);
}
.site-nav.is-scrolled{
  top:14px;padding:8px 12px 8px 18px;
  background:rgba(11,13,12,.78);
  box-shadow:var(--shadow-ink);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--lime),var(--lime-deep));
  color:#0B0D0C;font-weight:900;font-size:17px;line-height:1;
  box-shadow:0 6px 16px rgba(200,255,61,.22);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-links a{
  position:relative;padding:8px 13px;font-size:15px;font-weight:500;
  color:var(--text-lo);border-radius:var(--radius-pill);
  transition:color 220ms var(--ease),background 220ms var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--lime);opacity:0;
  transition:opacity 220ms var(--ease),bottom 220ms var(--ease);
}
.nav-links a:hover{color:var(--text-hi);background:var(--surface-ink);}
.nav-links a:hover::after{opacity:1;bottom:0;}
.nav-links a.is-active{color:var(--text-hi);background:var(--surface-ink);}
.nav-links a.is-active::after{opacity:1;bottom:0;}
.nav-cta{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--lime);color:#0B0D0C;font-weight:700;font-size:14px;
  transition:background 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-cta:hover{background:#D6FF5E;transform:translateX(2px);box-shadow:0 10px 22px rgba(200,255,61,.24);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line-ink);flex:none;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--text-hi);transition:transform 220ms var(--ease),opacity 220ms var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
.nav-drawer{
  position:fixed;inset:0;z-index:110;
  background:rgba(11,13,12,.97);
  backdrop-filter:blur(20px);
  padding:120px 28px 40px;
  display:none;flex-direction:column;gap:6px;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer a{
  font-size:24px;font-weight:700;padding:14px 0;color:var(--text-hi);
  border-bottom:1px solid var(--line-ink);
  opacity:0;transform:translateY(12px);
  animation:drawerIn 380ms var(--ease) forwards;
}
.nav-drawer a:nth-child(1){animation-delay:40ms;}
.nav-drawer a:nth-child(2){animation-delay:80ms;}
.nav-drawer a:nth-child(3){animation-delay:120ms;}
.nav-drawer a:nth-child(4){animation-delay:160ms;}
.nav-drawer a:nth-child(5){animation-delay:200ms;}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-primary{background:var(--lime);color:#0B0D0C;box-shadow:0 12px 26px rgba(200,255,61,.18);}
.btn-primary:hover{background:#D6FF5E;transform:translateX(2px);box-shadow:0 16px 30px rgba(200,255,61,.26);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid var(--line-ink);color:var(--text-hi);background:transparent;}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-arrow::after{content:"→";transition:transform 220ms var(--ease);}
.btn-arrow:hover::after{transform:translateX(4px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text-lo);transition:color 220ms var(--ease);}
.link-arrow::after{content:"→";transition:transform 220ms var(--ease);}
.link-arrow:hover{color:var(--lime);}
.link-arrow:hover::after{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  border:1px solid var(--line-ink);color:var(--text-lo);
}
.badge-live{background:var(--flare);color:#fff;border-color:transparent;}
.badge-live i{width:6px;height:6px;border-radius:50%;background:#fff;display:block;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}
.badge-up{border-color:rgba(200,255,61,.45);color:var(--lime);}
.badge-off{opacity:.55;}

/* ============ Hero ============ */
.hero{position:relative;padding:170px 0 96px;overflow:hidden;background:var(--bg-ink);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.62;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(720px 420px at 82% 12%,rgba(200,255,61,.14),transparent 62%),
    linear-gradient(180deg,rgba(11,13,12,.88) 0%,rgba(11,13,12,.94) 58%,rgba(11,13,12,1) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;}
.hero-status{display:flex;align-items:center;gap:12px;margin-bottom:22px;flex-wrap:wrap;}
.hero h1{
  font-size:clamp(40px,7vw,86px);font-weight:900;line-height:1.06;letter-spacing:-.01em;
  max-width:15em;
}
.hero h1 span{display:block;color:var(--text-lo);font-weight:800;}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--text-lo);max-width:34em;}
.countdown{display:flex;align-items:flex-end;gap:14px;margin:36px 0 32px;}
.cd-cell{display:flex;flex-direction:column;gap:6px;}
.cd-num{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1;color:var(--text-hi);}
.cd-num.is-tick{animation:tickUp 120ms var(--ease);}
@keyframes tickUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.cd-label{font-size:13px;letter-spacing:.02em;color:var(--text-lo);}
.cd-sep{font-size:clamp(24px,3vw,36px);line-height:1;color:var(--text-lo);padding-bottom:20px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.cover-card{
  position:relative;border-radius:var(--radius-hero);overflow:hidden;
  border:1px solid var(--line-ink);box-shadow:var(--shadow-ink);
  background:var(--bg-ink-2);aspect-ratio:16/9;
}
.cover-card img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease);}
.cover-card:hover img{transform:scale(1.02);}
.cover-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.10) 0%,rgba(11,13,12,.28) 46%,rgba(11,13,12,.86) 100%);
  transition:opacity 320ms var(--ease);
}
.cover-card:hover .cover-shade{opacity:.72;}
.cover-top{position:absolute;top:14px;left:14px;display:flex;gap:8px;}
.cover-bottom{
  position:absolute;left:16px;right:16px;bottom:14px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:12px;
}
.cover-title{font-size:15px;font-weight:700;line-height:1.5;color:var(--text-hi);}
.cover-meta{font-size:13px;color:var(--text-lo);}
.cover-dur{
  position:absolute;right:14px;top:14px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(11,13,12,.72);border:1px solid var(--line-ink);
}

/* 看点列表 */
.highlights{
  margin-top:64px;border-top:1px solid var(--line-ink);padding-top:34px;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 40px;
}
.hl-item{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;
  padding:16px 14px 16px 0;border-bottom:1px solid var(--line-ink);
  transition:transform 220ms var(--ease),background 220ms var(--ease);
}
.hl-item::before{
  content:"";position:absolute;left:-14px;top:18px;width:2px;height:26px;
  background:var(--lime);opacity:0;transition:opacity 220ms var(--ease);
}
.hl-item:hover{transform:translateX(6px);background:var(--surface-ink);}
.hl-item:hover::before{opacity:1;}
.hl-num{
  font-family:var(--font-num);font-size:30px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--lime);padding-top:4px;
}
.hl-title{font-size:17px;font-weight:700;color:var(--text-hi);}
.hl-desc{font-size:14px;color:var(--text-lo);margin-top:4px;}

/* ============ 数据条 ============ */
.stats-band{padding:0;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-paper);
}
.stats-cell{padding:44px 8px 44px 0;border-right:1px solid var(--line-paper);}
.stats-cell:last-child{border-right:0;}
.stats-cell:not(:first-child){padding-left:28px;}
.stats-num{font-family:var(--font-num);font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1;color:var(--ink-text);}
.stats-num em{font-style:normal;font-size:18px;font-weight:700;margin-left:4px;color:var(--ink-text-lo);}
.stats-label{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-text-lo);}

/* ============ 版块通用 ============ */
.section{padding:var(--sec-space) 0;}
.section-head{display:flex;align-items:center;gap:18px;margin-bottom:42px;}
.section-head h2{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.15;}
.section-head .section-num{
  font-family:var(--font-num);font-size:22px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px var(--lime);flex:none;
}
.section-line{flex:1;height:1px;background:var(--line-ink);}
.section-lead{max-width:46em;color:var(--text-lo);font-size:16px;margin:-24px 0 42px;}

/* ============ 预告流 ============ */
.stream-grid{display:grid;grid-template-columns:1.68fr 1fr;gap:28px;align-items:start;}
.lead-card{
  border:1px solid var(--line-ink);border-radius:var(--radius-card);
  background:var(--surface-ink);overflow:hidden;box-shadow:var(--shadow-ink);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.lead-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);}
.lead-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.lead-card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease);}
.lead-card:hover .lead-card-cover img{transform:scale(1.02);}
.lead-card-cover .badge{position:absolute;left:14px;top:14px;background:rgba(11,13,12,.7);}
.lead-card-body{padding:24px 26px 26px;}
.lead-card-body h3{font-size:22px;font-weight:700;line-height:1.45;}
.lead-card-body p{margin-top:12px;font-size:15px;color:var(--text-lo);}
.lead-card-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;flex-wrap:wrap;}
.meta-line{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-lo);}

.side-col{display:flex;flex-direction:column;gap:18px;}
.mini-card{
  display:block;padding:20px;border:1px solid var(--line-ink);border-radius:var(--radius-card);
  background:var(--surface-ink);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);background:var(--surface-ink-2);}
.mini-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.mini-time{font-family:var(--font-num);font-size:14px;color:var(--text-lo);}
.mini-card h3{font-size:17px;font-weight:700;line-height:1.5;}
.mini-card p{margin-top:8px;font-size:14px;color:var(--text-lo);}
.sub-box{
  padding:24px;border-radius:var(--radius-card);
  border:1px solid rgba(200,255,61,.32);
  background:linear-gradient(160deg,rgba(200,255,61,.10),rgba(200,255,61,.02));
}
.sub-box h3{font-size:17px;font-weight:700;}
.sub-box p{margin-top:8px;font-size:14px;color:var(--text-lo);}
.sub-box .btn{margin-top:16px;width:100%;}

/* ============ 最新信息 ============ */
.post-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start;}
.post-card{
  display:block;border:1px solid var(--line-ink);border-radius:var(--radius-card);
  background:var(--surface-ink);overflow:hidden;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);}
.post-card-cover{aspect-ratio:16/9;overflow:hidden;}
.post-card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease);}
.post-card:hover .post-card-cover img{transform:scale(1.02);}
.post-card-body{padding:24px 26px 26px;}
.post-card-body h3{font-size:21px;font-weight:700;line-height:1.45;transition:color 220ms var(--ease);}
.post-card:hover .post-card-body h3{color:var(--text-hi);}
.post-card-body p{margin-top:12px;font-size:15px;color:var(--text-lo);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-rows{display:flex;flex-direction:column;}
.post-row{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
  padding:20px 14px;border-bottom:1px solid var(--line-ink);
  transition:background 220ms var(--ease),padding 220ms var(--ease);
}
.post-row:first-child{border-top:1px solid var(--line-ink);}
.post-row:hover{background:rgba(255,255,255,.02);padding-left:18px;}
.post-row h3{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-row .post-row-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--text-lo);flex-wrap:wrap;}
.post-row .arrow{font-size:18px;color:var(--text-lo);transition:transform 220ms var(--ease),color 220ms var(--ease);}
.post-row:hover .arrow{transform:translateX(4px);color:var(--lime);}
.empty-state{
  padding:52px 24px;text-align:center;border:1px dashed var(--line-ink);border-radius:var(--radius-card);
  background:var(--surface-ink);
}
.empty-state .empty-icon{
  width:44px;height:44px;margin:0 auto 16px;border-radius:50%;
  border:1px solid var(--line-ink);display:grid;place-items:center;color:var(--text-lo);
}
.empty-state p{color:var(--text-lo);font-size:15px;}
.empty-state .btn{margin-top:18px;}

/* ============ 图文交替 ============ */
.feature-row{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line-ink);}
.feature-row:nth-child(even) .feature-media{order:2;}
.feature-media{position:relative;border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line-ink);aspect-ratio:4/3;}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.feature-index{
  font-family:var(--font-num);font-size:clamp(42px,6vw,72px);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--lime);margin-bottom:18px;
}
.feature-body h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.feature-body p{margin-top:16px;color:var(--text-lo);font-size:16px;}
.feature-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.feature-list li{display:flex;gap:12px;font-size:15px;color:var(--text-lo);}
.feature-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:11px;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line-ink);}
.faq-item{border-bottom:1px solid var(--line-ink);}
.faq-q{
  width:100%;display:grid;grid-template-columns:56px 1fr 28px;gap:16px;align-items:center;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:700;color:var(--text-hi);
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--lime);}
.faq-idx{font-family:var(--font-num);font-size:15px;color:var(--text-lo);}
.faq-icon{position:relative;width:16px;height:16px;justify-self:end;transition:transform 240ms var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-lo);}
.faq-icon::before{left:0;top:7px;width:16px;height:1.6px;}
.faq-icon::after{top:0;left:7px;width:1.6px;height:16px;transition:opacity 240ms var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-item.is-open .faq-icon::before{background:var(--lime);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms var(--ease);}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 60px 26px 72px;color:var(--text-lo);font-size:15.5px;}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line-ink);border-bottom:1px solid var(--line-ink);}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.34;
}
.cta-band .cta-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,13,12,.92),rgba(11,13,12,.78));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;padding:78px 0;}
.cta-inner h2{font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.2;}
.cta-inner p{margin-top:14px;color:var(--text-lo);font-size:16px;max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.sub-form{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap;}
.sub-form input{
  flex:1;min-width:210px;padding:14px 18px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line-ink);color:var(--text-hi);
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.sub-form input::placeholder{color:rgba(242,244,239,.4);}
.sub-form input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.07);}
.form-note{margin-top:12px;font-size:13px;color:var(--text-lo);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-ink-2);border-top:1px solid var(--line-ink);padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-lo);max-width:30em;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:18px;color:var(--text-hi);}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-lo);transition:color 220ms var(--ease),transform 220ms var(--ease);}
.footer-links a:hover{color:var(--lime);transform:translateX(3px);}
.footer-contact{font-size:14px;color:var(--text-lo);display:flex;flex-direction:column;gap:12px;}
.footer-contact strong{color:var(--text-hi);font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-lo);
}
.footer-bottom a{color:var(--text-lo);border-bottom:1px solid var(--line-ink);transition:color 220ms var(--ease),border-color 220ms var(--ease);}
.footer-bottom a:hover{color:var(--lime);border-color:var(--lime);}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  :root{--gutter:24px;}
  .hero-grid{gap:40px;}
  .feature-row{gap:36px;}
}
@media (max-width:1024px){
  :root{--sec-space:76px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .site-nav{justify-content:space-between;}
  .hero{padding:140px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .stream-grid{grid-template-columns:1fr;}
  .post-layout{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;padding:62px 0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .feature-row:nth-child(even) .feature-media{order:0;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stats-cell{border-right:0;border-bottom:1px solid var(--line-paper);padding:32px 0;}
  .stats-cell:not(:first-child){padding-left:0;}
  .stats-cell:nth-child(odd){padding-right:20px;}
}
@media (max-width:768px){
  :root{--gutter:16px;}
  body{font-size:15.5px;}
  .highlights{grid-template-columns:1fr;gap:0;}
  .section-head{gap:12px;margin-bottom:30px;flex-wrap:wrap;}
  .section-line{display:none;}
  .post-card-body{padding:20px 18px 22px;}
  .lead-card-body{padding:20px 18px 22px;}
  .hl-item{grid-template-columns:48px 1fr;gap:12px;}
  .faq-q{grid-template-columns:40px 1fr 22px;font-size:16px;padding:20px 2px;}
  .faq-a-inner p{padding:0 0 22px 52px;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .hero{padding:126px 0 56px;}
  .countdown{gap:10px;flex-wrap:wrap;}
  .cd-sep{display:none;}
  .cd-cell{flex:1 1 40%;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .post-row{grid-template-columns:1fr;gap:8px;}
  .post-row .arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-a-inner p{padding-left:0;}
  .brand-text{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-property:opacity !important;transition-duration:200ms !important;}
  .reveal{transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --paper:#F5F6F2;
  --lime:#C8FF3D;
  --lime-hi:#D6FF5E;
  --lime-deep:#9FE01F;
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --ink-text-lo:rgba(16,19,15,.66);
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --radius:16px;
  --radius-lg:20px;
  --pill:999px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --container:1200px;
  --gap-section:110px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-hi);
  background:var(--bg-ink);
  background-image:radial-gradient(900px 520px at 88% -8%,rgba(200,255,61,.07),transparent 62%),radial-gradient(700px 420px at 4% 12%,rgba(255,83,38,.05),transparent 60%);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0B0D0C;box-shadow:0 6px 18px rgba(200,255,61,.18)}
.btn-primary:hover{background:var(--lime-hi);transform:translate(2px,-1px);box-shadow:0 10px 24px rgba(200,255,61,.26)}
.btn-primary:active{transform:translate(0,1px);box-shadow:0 4px 12px rgba(200,255,61,.2)}
.btn-ghost{background:transparent;color:var(--text-hi);border:1px solid var(--line-ink)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08)}
.btn-light{background:var(--paper);color:#0B0D0C;border:1px solid var(--line-paper)}
.btn-light:hover{background:#fff;transform:translate(2px,-1px);box-shadow:var(--shadow-paper)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-arrow{gap:10px}
.btn-arrow .arw{transition:transform .22s var(--ease)}
.btn-arrow:hover .arw{transform:translateX(4px)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text-hi);transition:color .22s var(--ease)}
.link-arrow .arw{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--lime)}
.link-arrow:hover .arw{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
}
.badge-line{border:1px solid var(--line-ink);color:var(--text-hi);background:rgba(255,255,255,.03)}
.badge-lime{border:1px solid rgba(200,255,61,.45);color:var(--lime);background:rgba(200,255,61,.08)}
.badge-flare{background:var(--flare);color:#fff}
.badge-dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:90;padding:0 24px;transition:top .22s var(--ease)}
.nav-shell{
  max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 12px 0 16px;
  border-radius:var(--pill);
  background:rgba(11,13,12,.55);
  border:1px solid var(--line-ink);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:height .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled .nav-shell{height:56px;background:rgba(11,13,12,.78);box-shadow:var(--shadow-ink);border-color:rgba(255,255,255,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:var(--lime);color:#0B0D0C;font-size:16px;font-weight:900;line-height:1;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--text-lo);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-links a:hover{color:var(--text-hi);background:rgba(255,255,255,.06)}
.nav-links a.is-active{color:var(--text-hi)}
.nav-links a.is-active::after{content:"";position:absolute;left:50%;bottom:2px;width:4px;height:4px;border-radius:50%;background:var(--lime);transform:translateX(-50%)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--pill);
  border:1px solid var(--line-ink);place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--text-hi);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-drawer{
  position:fixed;inset:0;z-index:85;
  background:rgba(11,13,12,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:110px 28px 40px;
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drawer a{
  font-size:24px;font-weight:800;padding:14px 4px;
  border-bottom:1px solid var(--line-ink);
  opacity:0;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .22s var(--ease);
}
.nav-drawer.is-open a{opacity:1;transform:translateY(0)}
.nav-drawer a:nth-child(1){transition-delay:.04s}
.nav-drawer a:nth-child(2){transition-delay:.08s}
.nav-drawer a:nth-child(3){transition-delay:.12s}
.nav-drawer a:nth-child(4){transition-delay:.16s}
.nav-drawer a:nth-child(5){transition-delay:.2s}
.nav-drawer a:hover,.nav-drawer a.is-active{color:var(--lime)}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;
  padding:154px 0 60px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.78) 0%,rgba(11,13,12,.92) 62%,var(--bg-ink) 100%);
}
.article-head .container{position:relative;z-index:1}
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-lo);
  white-space:nowrap;overflow:hidden;
}
.crumbs a{transition:color .22s var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(242,244,239,.3)}
.crumbs .crumb-current{
  display:block;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(242,244,239,.78);
}
.head-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 18px}
.article-head h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:900;line-height:1.16;letter-spacing:-.01em;
  max-width:20ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line-ink);
  font-size:14px;color:var(--text-lo);
}
.meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-label{color:rgba(242,244,239,.42);font-size:13px}
.meta-item time,.meta-item .num{font-variant-numeric:tabular-nums}

/* ---------- 封面 ---------- */
.cover-block{padding:0 0 8px}
.cover-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-ink);background:var(--bg-ink-2);
}
.cover-figure img{width:100%;aspect-ratio:16/7.4;object-fit:cover;transition:transform .3s var(--ease)}
.cover-figure:hover img{transform:scale(1.02)}
.cover-caption{margin-top:12px;font-size:13px;color:var(--text-lo);text-align:center}

/* ---------- 正文布局 ---------- */
.article-main{padding:52px 0 96px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 236px;
  gap:48px;justify-content:center;align-items:start;
}
.article-layout.is-single{grid-template-columns:minmax(0,760px);justify-content:center}
.prose-card{
  background:var(--paper);color:var(--ink-text);
  border-radius:var(--radius-lg);
  padding:52px 56px;
  box-shadow:var(--shadow-paper);
  border:1px solid var(--line-paper);
}
.prose{font-size:17px;line-height:1.9;color:var(--ink-text)}
.prose>*:first-child{margin-top:0}
.prose>*:last-child{margin-bottom:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;margin:2em 0 .8em;padding-left:16px;
  font-size:24px;line-height:1.42;font-weight:800;letter-spacing:-.005em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;
  background:var(--lime-deep);
}
.prose h3{margin:1.6em 0 .55em;font-size:19px;font-weight:700;line-height:1.5}
.prose h4{margin:1.4em 0 .5em;font-size:17px;font-weight:700}
.prose strong{font-weight:700}
.prose img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow-paper)}
.prose figure{margin:1.6em 0}
.prose figcaption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--ink-text-lo);text-align:center}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.35em}
.prose ul{list-style:none}
.prose ul li{position:relative;margin:.45em 0}
.prose ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--lime-deep);
}
.prose ol{list-style:decimal}
.prose ol li{margin:.45em 0}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--lime-deep);
  background:rgba(159,224,31,.10);
  border-radius:0 12px 12px 0;
  color:rgba(16,19,15,.86);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose a{color:#4C7A0E;border-bottom:1px dashed rgba(76,122,14,.5);transition:color .22s var(--ease),border-color .22s var(--ease)}
.prose a:hover{color:#365A08;border-bottom-color:#365A08}
.prose table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;border-top:2px solid var(--ink-text);
  font-variant-numeric:tabular-nums;
}
.prose th,.prose td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line-paper)}
.prose th{font-weight:700;background:rgba(16,19,15,.045)}
.prose tbody tr:nth-child(even){background:rgba(16,19,15,.028)}
.prose hr{border:0;border-top:1px solid var(--line-paper);margin:2em 0}
.prose code{background:rgba(16,19,15,.06);padding:2px 6px;border-radius:6px;font-size:14px}

/* ---------- 空内容态 ---------- */
.empty-state{text-align:center;padding:26px 0 10px}
.empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(16,19,15,.18);
  font-size:22px;font-weight:800;color:var(--ink-text-lo);
}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:12px;padding-left:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--ink-text-lo);max-width:44ch;margin:0 auto 22px;font-size:16px;line-height:1.8}

/* ---------- 目录 ---------- */
.toc{
  position:sticky;top:104px;
  padding:20px 18px;
  border:1px solid var(--line-ink);
  border-radius:var(--radius);
  background:var(--surface-ink);
}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-lo);margin-bottom:12px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{
  display:block;padding:7px 0 7px 12px;
  font-size:13.5px;line-height:1.6;color:var(--text-lo);
  border-left:2px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease),padding-left .22s var(--ease);
}
.toc-list a:hover{color:var(--text-hi);padding-left:14px}
.toc-list a.is-current{color:var(--lime);border-left-color:var(--lime)}

/* ---------- 板块标题构件 ---------- */
.sec-head{display:flex;align-items:center;gap:18px;margin-bottom:36px}
.sec-num{
  font-size:13px;font-weight:800;letter-spacing:.12em;
  color:var(--lime);border:1px solid rgba(200,255,61,.4);
  border-radius:6px;padding:5px 9px;font-variant-numeric:tabular-nums;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.2}
.sec-line{flex:1;height:1px;background:var(--line-ink)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--gap-section)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pcard{
  display:flex;flex-direction:column;
  border:1px solid var(--line-ink);border-radius:var(--radius);
  background:var(--surface-ink);overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.pcard:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);background:rgba(255,255,255,.055)}
.pcard-media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line-ink)}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.pcard:hover .pcard-media img{transform:scale(1.02)}
.pcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard-body h3{font-size:18px;font-weight:700;line-height:1.45}
.pcard-body p{font-size:14px;line-height:1.8;color:var(--text-lo)}
.pcard-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-ink);
  font-size:13px;color:var(--text-lo);
}
.pcard:hover .pcard-foot .arw{transform:translateX(4px);color:var(--lime)}
.pcard-foot .arw{transition:transform .22s var(--ease),color .22s var(--ease)}

/* ---------- 订阅带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:72px 0;
  border-top:1px solid var(--line-ink);
  border-bottom:1px solid var(--line-ink);
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,13,12,.95),rgba(11,13,12,.82))}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.24;margin-bottom:14px}
.cta-inner .cta-desc{font-size:15px;line-height:1.85;color:var(--text-lo);max-width:46ch}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 240px;min-width:0;
  padding:14px 18px;border-radius:12px;
  border:1px solid var(--line-ink);
  background:rgba(255,255,255,.05);
  color:var(--text-hi);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(242,244,239,.42)}
.subscribe-form input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.08)}
.form-note{font-size:13px;line-height:1.7;color:rgba(242,244,239,.46);margin-top:14px}
.form-msg{display:none;margin-top:12px;font-size:14px;color:var(--lime)}
.form-msg.is-show{display:block}
.form-msg.is-error{color:var(--flare)}

/* ---------- 返回入口 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:44px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-ink);border-top:1px solid var(--line-ink);padding:76px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-lo);max-width:340px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;color:var(--text-hi)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-lo);transition:color .22s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-lo)}
.footer-contact strong{color:var(--text-hi);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line-ink);
  font-size:13px;color:var(--text-lo);
}
.footer-bottom a{color:var(--text-lo);transition:color .22s var(--ease)}
.footer-bottom a:hover{color:var(--lime)}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .article-layout{grid-template-columns:minmax(0,760px);justify-content:center}
  .toc{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:1024px){
  :root{--gap-section:78px}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .article-head{padding:132px 0 50px}
  .prose-card{padding:44px 40px}
}
@media (max-width:768px){
  :root{--gap-section:60px}
  .container{padding:0 22px}
  .site-header{top:14px;padding:0 14px}
  .nav-shell{height:60px;padding:0 10px 0 14px;gap:12px}
  .site-header.is-scrolled .nav-shell{height:54px}
  .nav-actions .btn-primary{display:none}
  .brand-text{font-size:17px}
  .article-head{padding:118px 0 44px}
  .article-head h1{max-width:100%}
  .meta-row{gap:8px 18px;font-size:13px}
  .prose-card{padding:32px 22px;border-radius:16px}
  .prose{font-size:16.5px;line-height:1.88}
  .prose h2{font-size:21px}
  .card-grid{grid-template-columns:1fr}
  .cover-figure img{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:10px}
  .cta-band{padding:56px 0}
}
@media (max-width:480px){
  .article-head{padding:108px 0 38px}
  .head-badge-row{margin:18px 0 14px}
  .crumbs .crumb-current{max-width:28ch}
  .prose-card{padding:26px 16px}
  .prose h2{padding-left:13px}
  .btn{width:100%;justify-content:center}
  .back-row .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --paper:#F5F6F2;
  --lime:#C8FF3D;
  --lime-hi:#D6FF5E;
  --lime-deep:#9FE01F;
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --r-card:16px;
  --r-img:20px;
  --r-btn:999px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --t:220ms cubic-bezier(.22,.8,.24,1);
  --font:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue",ui-monospace,monospace;
  --sp-sec:clamp(56px,8vw,112px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text-hi);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:rgba(200,255,61,.28)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;
  top:20px;
  left:0;
  right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;
  max-width:1160px;
  display:flex;
  align-items:center;
  gap:26px;
  padding:11px 12px 11px 18px;
  border-radius:var(--r-btn);
  background:rgba(11,13,12,.55);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line-ink);
  transition:background-color var(--t),box-shadow var(--t),padding var(--t),transform var(--t);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(11,13,12,.78);
  box-shadow:var(--shadow-ink);
  padding-top:7px;
  padding-bottom:7px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--lime);
  color:#0B0D0C;
  font-size:15px;font-weight:900;
  letter-spacing:0;
  flex:none;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text-hi);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-lo);
  border-radius:var(--r-btn);
}
.nav-links a::after{
  content:'';
  position:absolute;
  left:50%;bottom:3px;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--lime);
  transform:translateX(-50%) scale(0);
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--text-hi)}
.nav-links a:hover::after{transform:translateX(-50%) scale(1)}
.nav-links a.is-active{color:var(--lime);font-weight:700}
.nav-links a.is-active::after{transform:translateX(-50%) scale(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line-ink);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  transition:border-color var(--t),background-color var(--t);
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text-hi);transition:transform var(--t),opacity var(--t)}
.nav-toggle:hover{border-color:rgba(200,255,61,.5);background:rgba(200,255,61,.08)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  padding:96px 32px 48px;
  background:rgba(11,13,12,.97);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  opacity:0;
  visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-close{
  position:absolute;top:26px;right:26px;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-ink);
  font-size:20px;line-height:1;
  color:var(--text-hi);
}
.drawer-close:hover{border-color:rgba(200,255,61,.5);color:var(--lime)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  font-size:clamp(20px,5vw,26px);
  font-weight:800;
  color:var(--text-hi);
  padding:16px 0;
  border-bottom:1px solid var(--line-ink);
  opacity:0;
  transform:translateY(12px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease),color var(--t);
}
.drawer.is-open .drawer-links a{opacity:1;transform:none}
.drawer-links a:nth-child(1){transition-delay:40ms}
.drawer-links a:nth-child(2){transition-delay:80ms}
.drawer-links a:nth-child(3){transition-delay:120ms}
.drawer-links a:nth-child(4){transition-delay:160ms}
.drawer-links a:nth-child(5){transition-delay:200ms}
.drawer-links a.is-active{color:var(--lime)}
.drawer-cta{margin-top:34px;display:inline-flex}

/* ===== 按钮 & 徽章 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn i{font-style:normal;transition:transform var(--t)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--lime);color:#0B0D0C}
.btn-primary:hover{background:var(--lime-hi);transform:translate(2px,-2px);box-shadow:0 12px 24px rgba(200,255,61,.22)}
.btn-primary:active{transform:translate(0,0);box-shadow:none}
.btn-ghost{border-color:var(--line-ink);color:var(--text-hi);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.paper-zone .btn-ghost{border-color:rgba(16,19,15,.18);color:var(--ink-text);background:transparent}
.paper-zone .btn-ghost:hover{border-color:var(--lime-deep);background:rgba(159,224,31,.18);color:var(--ink-text)}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--lime)}
.text-link i{font-style:normal;transition:transform var(--t)}
.text-link:hover i{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:6px;
  border:1px solid var(--line-ink);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-lo);
  white-space:nowrap;
}
.badge-live{background:var(--flare);border-color:var(--flare);color:#fff;font-weight:700;letter-spacing:.06em}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.badge-lime{border-color:rgba(200,255,61,.5);color:var(--lime)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,83,38,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,83,38,0)}
  100%{box-shadow:0 0 0 0 rgba(255,83,38,0)}
}
@keyframes pulseLight{
  0%{box-shadow:0 0 0 0 rgba(255,83,38,.5)}
  70%{box-shadow:0 0 0 8px rgba(255,83,38,0)}
  100%{box-shadow:0 0 0 0 rgba(255,83,38,0)}
}
@keyframes flipIn{
  from{transform:translateY(62%);opacity:0}
  to{transform:translateY(0);opacity:1}
}

/* ===== 首屏 ===== */
.hero{position:relative;padding:172px 0 92px;overflow:hidden;border-bottom:1px solid var(--line-ink)}
.hero-visual{position:absolute;inset:0;z-index:0}
.hero-visual img{width:100%;height:100%;border-radius:0}
.hero-visual::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,13,12,.95) 0%,rgba(11,13,12,.82) 44%,rgba(11,13,12,.6) 100%);
}
.hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-lo);letter-spacing:.02em;margin-bottom:24px}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .cur{color:var(--text-hi)}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(200,255,61,.35);
  background:rgba(200,255,61,.08);
  color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.status-badge .pulse-dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);
  animation:pulse 1.6s infinite;
}
h1{
  font-size:clamp(40px,7vw,86px);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.01em;
  margin-top:22px;
  max-width:15em;
}
h1 .h1-sub{
  display:block;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(242,244,239,.55);
}
.hero-lead{
  margin-top:26px;
  max-width:660px;
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.85;
  color:var(--text-lo);
}
.countdown-bar{
  display:inline-flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin:34px 0 4px;
  padding:14px 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-ink);
  background:rgba(11,13,12,.6);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.cd-label{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--text-lo);letter-spacing:.02em}
.cd-label .flare-dot{
  width:8px;height:8px;border-radius:50%;background:var(--flare);
  animation:pulseLight 1.6s infinite;
}
.cd-units{display:flex;align-items:flex-end;gap:6px;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.cd-unit{display:flex;flex-direction:column;align-items:center;min-width:52px}
.cd-unit strong{
  display:inline-block;
  font-size:30px;
  font-weight:700;
  line-height:1;
  overflow:hidden;
  letter-spacing:.01em;
}
.cd-unit strong.is-flip{animation:flipIn 120ms ease-out}
.cd-unit span{font-family:var(--font);font-size:12px;color:var(--text-lo);margin-top:8px;letter-spacing:.08em}
.cd-sep{color:var(--text-lo);font-size:24px;line-height:1;transform:translateY(-12px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ===== 板块骨架 ===== */
.section{padding:var(--sp-sec) 0}
.section-tight{padding:calc(var(--sp-sec) * .68) 0}
.section-head{display:flex;align-items:center;gap:18px;margin-bottom:38px}
.sec-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,34px);
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px var(--lime);
  letter-spacing:.02em;
  flex:none;
}
.section-head h2{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
}
.sec-line{flex:1;height:1px;background:var(--line-ink);min-width:24px}
.sec-aside{margin-left:auto;flex:none}

/* ===== 数据条 ===== */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--paper);
  color:var(--ink-text);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-paper);
}
.stat-item{padding:34px 26px;text-align:center;border-left:1px solid var(--line-paper)}
.stat-item:first-child{border-left:0}
.stat-item strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(32px,4vw,40px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.01em;
}
.stat-item strong em{font-style:normal;font-size:.5em;margin-left:2px;font-family:var(--font)}
.stat-item span{display:block;margin-top:10px;font-size:13px;line-height:1.7;color:rgba(16,19,15,.62);letter-spacing:.02em}

/* ===== 时间轴 ===== */
.timeline{display:flex;flex-direction:column;gap:16px}
.tl-item{display:grid;grid-template-columns:104px 28px 1fr;align-items:stretch}
.tl-time{padding-top:26px;text-align:right;padding-right:6px}
.tl-time strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  line-height:1;
  letter-spacing:.01em;
}
.tl-time span{display:block;margin-top:8px;font-size:12px;color:var(--text-lo);letter-spacing:.08em}
.tl-axis{position:relative;display:flex;justify-content:center}
.tl-axis::before{content:'';position:absolute;top:0;bottom:-16px;width:1px;background:var(--line-ink)}
.tl-item:first-child .tl-axis::before{top:32px}
.tl-item:last-child .tl-axis::before{bottom:auto;height:32px}
.tl-dot{
  position:relative;
  width:11px;height:11px;
  margin-top:30px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,255,61,.14);
  flex:none;
}
.tl-dot.is-gray{background:rgba(242,244,239,.45);box-shadow:0 0 0 4px rgba(242,244,239,.08)}
.tl-card{
  display:grid;
  grid-template-columns:196px 1fr auto;
  gap:22px;
  align-items:center;
  padding:16px;
  border-radius:var(--r-card);
  border:1px solid var(--line-ink);
  background:var(--surface-ink);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);background:rgba(255,255,255,.052)}
.tl-thumb{position:relative;overflow:hidden;border-radius:12px;border:1px solid var(--line-ink)}
.tl-thumb img{width:100%;height:118px;transition:transform 420ms var(--ease)}
.tl-card:hover .tl-thumb img{transform:scale(1.02)}
.tl-thumb .thumb-tag{
  position:absolute;left:10px;top:10px;
  padding:3px 8px;
  border-radius:999px;
  background:rgba(11,13,12,.78);
  border:1px solid var(--line-ink);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--text-hi);
}
.tl-body h3{
  margin:12px 0 8px;
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  transition:color var(--t);
}
.tl-card:hover .tl-body h3{color:var(--lime-hi)}
.tl-body p{
  font-size:15px;
  line-height:1.75;
  color:var(--text-lo);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:13px;color:var(--text-lo);letter-spacing:.02em}
.tl-meta i{font-style:normal;font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-hi)}
.pill-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-ink);
  font-size:14px;font-weight:700;
  color:var(--text-hi);
  white-space:nowrap;
  transition:border-color var(--t),color var(--t),background-color var(--t),transform var(--t);
}
.pill-cta i{font-style:normal;transition:transform var(--t)}
.pill-cta:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08);transform:translateX(2px)}
.pill-cta:hover i{transform:translateX(4px)}

/* ===== 左右分栏 ===== */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,72px);align-items:start}
.split-intro .section-head{margin-bottom:22px}
.split-intro p{color:var(--text-lo);font-size:16px;line-height:1.9}
.split-intro .text-link{margin-top:22px}
.point-list{display:flex;flex-direction:column}
.point-list li{
  display:flex;
  gap:20px;
  padding:24px 20px 24px 18px;
  border-bottom:1px solid var(--line-ink);
  position:relative;
  transition:transform var(--t),background-color var(--t);
}
.point-list li::before{
  content:'';
  position:absolute;
  left:0;top:26px;bottom:26px;
  width:2px;border-radius:2px;
  background:var(--lime);
  opacity:0;
  transition:opacity var(--t);
}
.point-list li:hover{transform:translateX(6px);background:rgba(255,255,255,.025)}
.point-list li:hover::before{opacity:1}
.point-num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  line-height:1.1;
  color:transparent;
  -webkit-text-stroke:1.3px var(--lime);
  flex:none;
  letter-spacing:.02em;
}
.point-list h3{font-size:19px;font-weight:700;line-height:1.5;transition:color var(--t)}
.point-list li:hover h3{color:var(--lime-hi)}
.point-list p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-lo)}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{
  padding:28px;
  border-radius:var(--r-card);
  border:1px solid var(--line-ink);
  background:var(--surface-ink);
  transition:transform var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35)}
.scene-card .scene-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.scene-card .scene-icon{
  width:34px;height:34px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(200,255,61,.4);
  color:var(--lime);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
}
.scene-card h3{font-size:19px;font-weight:700;line-height:1.5}
.scene-card p{font-size:15px;line-height:1.8;color:var(--text-lo)}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;
  padding:28px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line-ink);
  background:var(--surface-ink);
  transition:transform var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35)}
.step b{
  display:block;
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  line-height:1;
  color:var(--lime);
  letter-spacing:.02em;
  margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:700;line-height:1.5}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-lo)}

/* ===== FAQ（纸白区） ===== */
.faq-zone{
  background:var(--paper);
  color:var(--ink-text);
  border-radius:24px;
  padding:clamp(28px,4vw,56px);
  box-shadow:var(--shadow-paper);
}
.faq-zone .section-head{margin-bottom:14px}
.faq-zone .sec-line{background:var(--line-paper)}
.faq-zone .faq-head-note{margin-bottom:22px;font-size:15px;line-height:1.8;color:rgba(16,19,15,.62);max-width:640px}
.faq-list{border-top:1px solid var(--line-paper)}
.faq-item{border-bottom:1px solid var(--line-paper)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 0;
  text-align:left;
  color:var(--ink-text);
}
.faq-num{
  font-family:var(--font-num);
  font-size:14px;
  letter-spacing:.08em;
  color:var(--lime-deep);
  flex:none;
  min-width:26px;
}
.faq-text{flex:1;font-size:17px;font-weight:700;line-height:1.6}
.faq-icon{position:relative;width:16px;height:16px;flex:none;margin-right:4px}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;
  background:var(--ink-text);
  border-radius:2px;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.faq-icon::before{top:7px;left:0;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 240ms var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{
  padding:0 44px 24px 44px;
  font-size:16px;
  line-height:1.85;
  color:rgba(16,19,15,.7);
}

/* ===== 回放带 ===== */
.replay-band{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:clamp(28px,4vw,56px);
  align-items:center;
  padding:clamp(28px,4vw,56px);
  border-radius:24px;
  background:var(--paper);
  color:var(--ink-text);
  box-shadow:var(--shadow-paper);
  position:relative;
  overflow:hidden;
}
.replay-band::after{
  content:'';
  position:absolute;
  right:-90px;top:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(159,224,31,.28) 0%,rgba(159,224,31,0) 68%);
  pointer-events:none;
}
.replay-band .band-tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:6px;
  border:1px solid rgba(16,19,15,.18);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(16,19,15,.66);
  margin-bottom:16px;
}
.replay-band h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.replay-band p{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(16,19,15,.68);max-width:560px}
.band-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:clamp(56px,7vw,96px);
  padding:clamp(48px,6vw,72px) 0 0;
  border-top:1px solid var(--line-ink);
  background:var(--bg-ink);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:clamp(28px,4vw,56px);
  padding-bottom:48px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{width:28px;height:28px;font-size:15px}
.footer-brand .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-lo);max-width:320px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--text-hi);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-lo)}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-lo);line-height:1.75}
.footer-contact strong{color:var(--text-hi);font-weight:600}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  align-items:center;
  padding:22px 0 30px;
  border-top:1px solid var(--line-ink);
  font-size:13px;
  color:var(--text-lo);
  letter-spacing:.02em;
}
.footer-bottom a{color:var(--lime)}
.footer-bottom a:hover{color:var(--lime-hi)}

/* ===== 滚动入场 ===== */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 24px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:150px 0 76px}
  .split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .tl-card{grid-template-columns:170px 1fr;gap:18px}
  .pill-cta{grid-column:2;justify-self:start;margin-bottom:4px}
}
@media (max-width:860px){
  .replay-band{grid-template-columns:1fr}
  .stat-band{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-paper)}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 16px}
  .site-header{top:12px;padding:0 12px}
  .nav-shell{padding:9px 10px 9px 14px;gap:12px}
  .drawer{padding:88px 22px 40px}
  .hero{padding:132px 0 64px}
  .hero-lead{font-size:16px}
  .countdown-bar{width:100%;gap:16px;padding:14px 16px;border-radius:20px}
  .cd-unit{min-width:44px}
  .cd-sep{transform:translateY(-10px)}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .timeline{gap:22px}
  .tl-item{grid-template-columns:1fr;gap:0}
  .tl-axis{display:none}
  .tl-time{padding:0 0 10px 0;text-align:left;display:flex;align-items:baseline;gap:10px}
  .tl-time strong{font-size:20px}
  .tl-time span{margin-top:0}
  .tl-card{grid-template-columns:1fr;padding:14px}
  .tl-thumb img{height:180px}
  .pill-cta{grid-column:1;justify-content:center;width:100%}
  .split-intro .section-head{margin-bottom:18px}
  .faq-a p{padding-left:0;padding-right:0}
  .faq-q{gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  h1{font-size:clamp(34px,9vw,44px)}
  .section-head{flex-wrap:wrap;gap:12px;margin-bottom:26px}
  .sec-line{display:none}
  .stat-band{grid-template-columns:1fr}
  .stat-item{border-left:0}
  .stat-item + .stat-item{border-top:1px solid var(--line-paper)}
  .cd-units{width:100%;justify-content:space-between}
  .cd-unit{min-width:0;flex:1}
  .cd-unit strong{font-size:26px}
  .cd-sep{display:none}
  .point-list li{padding:20px 0 20px 14px;gap:14px}
  .point-num{font-size:22px}
  .band-actions .btn{width:100%;justify-content:center}
  .replay-band{padding:26px 20px}
  .faq-zone{padding:26px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important}
  [data-reveal]{opacity:1;transform:none;transition:opacity 200ms linear}
  .tl-card:hover,.scene-card:hover,.step:hover,.point-list li:hover{transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --surface-ink-2:rgba(255,255,255,.055);
  --paper:#F5F6F2;
  --lime:#C8FF3D;
  --lime-hi:#D6FF5E;
  --lime-deep:#9FE01F;
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --ink-text-lo:rgba(16,19,15,.66);
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --r-card:16px;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --font:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text-hi);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease),background-color 220ms var(--ease);}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;max-width:1200px;
  display:flex;align-items:center;gap:20px;
  padding:10px 12px 10px 20px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-pill);
  background:rgba(11,13,12,.55);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  transition:background-color 260ms var(--ease),box-shadow 260ms var(--ease),padding 260ms var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(11,13,12,.78);
  box-shadow:var(--shadow-ink);
  padding-top:6px;padding-bottom:6px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--lime) 0%,var(--lime-deep) 100%);
  color:#0B0D0C;font-weight:900;font-size:16px;letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text-hi);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;
  padding:9px 14px;
  font-size:15px;font-weight:500;
  color:var(--text-lo);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:4px;border-radius:var(--r-pill);
  background:var(--lime);transform:translateX(-50%);
  opacity:0;transition:width 220ms var(--ease),opacity 220ms var(--ease);
}
.nav-links a:hover{color:var(--text-hi);background:rgba(255,255,255,.05);}
.nav-links a:hover::after{width:14px;opacity:.7;}
.nav-links a.is-active{color:var(--text-hi);}
.nav-links a.is-active::after{width:16px;opacity:1;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-ink);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-hi);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-hi);border-radius:2px;
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.menu-open .nav-toggle span{background:transparent;}
body.menu-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.menu-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),opacity 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0B0D0C;}
.btn-primary:hover{background:var(--lime-hi);transform:translate(2px,-1px);box-shadow:0 10px 22px rgba(200,255,61,.18);}
.btn-primary:active{transform:translate(0,1px);box-shadow:none;}
.btn-ghost{border-color:var(--line-ink);color:var(--text-hi);background:rgba(255,255,255,.02);}
.btn-ghost:hover{border-color:rgba(200,255,61,.6);color:var(--lime);background:rgba(200,255,61,.08);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--lime);
}
.arrow-link i{font-style:normal;transition:transform 220ms var(--ease);}
.arrow-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;
  border:1px solid var(--line-ink);
  border-radius:6px;
  font-size:12px;letter-spacing:.08em;
  color:var(--text-lo);
}
.badge-lime{border-color:rgba(200,255,61,.45);color:var(--lime);}
.badge-flare{background:var(--flare);color:#fff;border-color:transparent;}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}
.badge-flare .dot{background:#fff;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}

/* ---------- 页面紧凑头部 ---------- */
.page-head{
  position:relative;
  margin-top:0;
  padding:150px 0 64px;
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center 30%;
  opacity:.30;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.72) 0%,rgba(11,13,12,.92) 62%,var(--bg-ink) 100%);
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--text-lo);
  margin-bottom:22px;flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .now{color:var(--text-hi);}
.compact-head h1{
  font-size:clamp(32px,4.6vw,54px);
  font-weight:900;line-height:1.1;letter-spacing:-.01em;
  max-width:900px;
}
.compact-head h1 em{font-style:normal;color:var(--lime);}
.head-lead{
  margin-top:16px;max-width:720px;
  font-size:17px;color:var(--text-lo);line-height:1.85;
}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.head-stats{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:30px;padding-top:22px;border-top:1px solid var(--line-ink);
}
.head-stats div{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--text-lo);}
.head-stats strong{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:800;color:var(--text-hi);letter-spacing:.01em;
}

/* ---------- 双栏布局 ---------- */
.section{padding:84px 0;}
.section-sm{padding:56px 0;}
.two-col{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.toc-side{position:sticky;top:110px;}
.toc-card{
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
  padding:22px 20px;
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--text-lo);margin-bottom:14px;
}
.toc-list a{
  display:flex;gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;color:var(--text-lo);
  line-height:1.6;
}
.toc-list a span{font-family:var(--font-num);font-size:12px;color:rgba(242,244,239,.4);flex:0 0 auto;padding-top:2px;}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--text-hi);}
.toc-list a.is-current{background:rgba(200,255,61,.09);color:var(--lime);}
.toc-list a.is-current span{color:var(--lime);}
.toc-figure{
  margin-top:18px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--surface-ink);
}
.toc-figure img{width:100%;height:150px;object-fit:cover;transition:transform 220ms var(--ease);}
.toc-figure:hover img{transform:scale(1.02);}
.toc-figure figcaption{padding:10px 14px;font-size:12px;color:var(--text-lo);line-height:1.7;}

.content-col{max-width:760px;}
.rule-block{margin-bottom:72px;scroll-margin-top:120px;}
.rule-block:last-child{margin-bottom:0;}
.sec-head{display:flex;align-items:center;gap:16px;margin-bottom:22px;}
.sec-no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:800;color:var(--lime);
  border:1px solid rgba(200,255,61,.45);
  border-radius:8px;padding:2px 10px;flex:0 0 auto;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;line-height:1.25;
}
.sec-line{flex:1 1 auto;height:1px;background:var(--line-ink);}
.rule-block p{color:var(--text-lo);font-size:17px;line-height:1.9;}
.rule-block p + p{margin-top:1.2em;}
.rule-block p strong{color:var(--text-hi);font-weight:700;}
.rule-block .lead-p{color:rgba(242,244,239,.78);}
.rule-list{margin-top:26px;display:grid;gap:12px;}
.rule-list li{
  display:flex;gap:14px;
  padding:16px 18px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background-color 220ms var(--ease);
}
.rule-list li:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);background:var(--surface-ink-2);}
.rule-list b{font-family:var(--font-num);color:var(--lime);font-size:14px;flex:0 0 auto;padding-top:3px;}
.rule-list span{font-size:15px;line-height:1.8;color:rgba(242,244,239,.78);}
.rule-list span i{font-style:normal;color:var(--text-hi);font-weight:700;}

.quote{
  margin-top:26px;
  border-left:3px solid var(--lime);
  background:rgba(200,255,61,.06);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:18px 22px;
  font-size:16px;line-height:1.85;color:rgba(242,244,239,.86);
}
.paper-note{
  margin-top:26px;
  background:var(--paper);color:var(--ink-text);
  border:1px solid var(--line-paper);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--shadow-paper);
}
.paper-note h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.paper-note p{color:var(--ink-text-lo);font-size:16px;line-height:1.85;}
.paper-note .numline{
  display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:18px;
  padding-top:16px;border-top:1px solid var(--line-paper);
}
.paper-note .numline div{display:flex;flex-direction:column;gap:2px;}
.paper-note .numline strong{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:800;line-height:1.1;
}
.paper-note .numline em{font-style:normal;font-size:13px;color:var(--ink-text-lo);}

/* ---------- 折叠知识点卡 ---------- */
.know-card{
  margin-top:22px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
  overflow:hidden;
}
.know-item + .know-item{border-top:1px solid var(--line-ink);}
.know-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;font-weight:700;color:var(--text-hi);
  transition:background-color 220ms var(--ease);
}
.know-q:hover{background:rgba(255,255,255,.04);}
.know-q .q-no{
  font-family:var(--font-num);font-size:13px;color:var(--lime);
  border:1px solid rgba(200,255,61,.4);border-radius:6px;
  padding:1px 7px;flex:0 0 auto;
}
.know-q .q-text{flex:1 1 auto;}
.know-q .q-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform 240ms var(--ease);
}
.know-q .q-icon::before,.know-q .q-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--lime);border-radius:2px;
  transform:translate(-50%,-50%);
}
.know-q .q-icon::before{width:12px;height:2px;}
.know-q .q-icon::after{width:2px;height:12px;transition:transform 240ms var(--ease),opacity 240ms var(--ease);}
.know-item.is-open .q-icon{transform:rotate(90deg);}
.know-item.is-open .q-icon::after{opacity:0;}
.know-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows 240ms var(--ease);
}
.know-item.is-open .know-a{grid-template-rows:1fr;}
.know-a > div{overflow:hidden;}
.know-a p{
  padding:0 20px 20px 62px;
  font-size:15px;color:var(--text-lo);line-height:1.85;
}

/* ---------- 常见误解 ---------- */
.myth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px;}
.myth-card{
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
  padding:22px;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.myth-card:hover{transform:translateY(-4px);border-color:rgba(255,83,38,.4);}
.myth-card h3{font-size:17px;font-weight:800;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
.myth-card h3 em{
  font-style:normal;font-size:11px;letter-spacing:.08em;
  border:1px solid rgba(255,83,38,.5);color:var(--flare);
  border-radius:6px;padding:2px 7px;flex:0 0 auto;margin-top:4px;
}
.myth-card p{font-size:15px;color:var(--text-lo);line-height:1.8;}

/* ---------- 分类切换胶囊 ---------- */
.switch-bar{
  margin-top:56px;padding-top:28px;border-top:1px solid var(--line-ink);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.switch-bar .label{font-size:13px;letter-spacing:.08em;color:var(--text-lo);}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-ink);
  font-size:14px;color:var(--text-lo);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),background-color 220ms var(--ease);
}
.pill:hover{transform:translateY(-2px);border-color:rgba(200,255,61,.5);color:var(--lime);background:rgba(200,255,61,.07);}
.pill.is-here{background:var(--lime);color:#0B0D0C;border-color:transparent;font-weight:700;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:26px;padding:9px 16px;
  border:1px solid var(--line-ink);border-radius:var(--r-pill);
  font-size:14px;color:var(--text-lo);
}
.to-top:hover{color:var(--lime);border-color:rgba(200,255,61,.5);}

/* ---------- CTA 带 ---------- */
.cta-band{
  border-top:1px solid var(--line-ink);
  border-bottom:1px solid var(--line-ink);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0));
  padding:72px 0;
}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:48px;align-items:center;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;}
.cta-inner p{margin-top:12px;font-size:16px;color:var(--text-lo);max-width:560px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;min-width:0;
  padding:13px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-ink);
  background:rgba(255,255,255,.04);
  color:var(--text-hi);
  transition:border-color 220ms var(--ease),background-color 220ms var(--ease);
}
.sub-form input::placeholder{color:rgba(242,244,239,.42);}
.sub-form input:focus{outline:none;border-color:var(--lime);background:rgba(200,255,61,.06);}
.form-note{margin-top:12px;font-size:13px;color:var(--text-lo);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line-ink);
  background:var(--bg-ink);
  padding:66px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:15px;}
.footer-brand .brand-text{font-size:17px;}
.footer-desc{font-size:14px;color:var(--text-lo);line-height:1.85;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;color:var(--text-hi);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-lo);}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-lo);line-height:1.75;}
.footer-contact strong{color:var(--text-hi);font-weight:700;}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid var(--line-ink);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-lo);
}
.footer-bottom a{color:var(--text-lo);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .two-col{grid-template-columns:1fr;gap:36px;}
  .toc-side{position:static;}
  .toc-figure img{height:190px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;inset:0;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:4px;
    padding:110px 28px 40px;
    background:rgba(11,13,12,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease);
  }
  body.menu-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    font-size:24px;font-weight:800;padding:14px 6px;width:100%;
    color:var(--text-hi);
  }
  .nav-links a::after{left:6px;transform:none;bottom:8px;}
  .nav-links a:hover::after,.nav-links a.is-active::after{width:22px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-shell{padding:8px 10px 8px 16px;}
  .page-head{padding:132px 0 52px;}
  .section{padding:68px 0;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .myth-grid{grid-template-columns:1fr;}
  .rule-block{margin-bottom:56px;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .compact-head h1{font-size:clamp(28px,8vw,36px);}
  .head-stats{gap:12px 22px;}
  .head-stats strong{font-size:22px;}
  .rule-block p{font-size:16px;}
  .know-a p{padding-left:20px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .brand-text{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition-property:opacity !important;}
  html{scroll-behavior:auto;}
  .reveal{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --paper:#F5F6F2;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-deep:#9FE01F;
  --lime-soft:rgba(200,255,61,.10);
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --ink-text-lo:rgba(16,19,15,.62);
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --radius-card:16px;
  --radius-media:20px;
  --radius-btn:999px;
  --radius-input:12px;
  --ease:220ms cubic-bezier(.22,.8,.24,1);
  --font-sans:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text-hi);
  background:var(--bg-ink);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease);}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:80;padding:0 16px;}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  height:68px;padding:0 12px 0 18px;
  border-radius:var(--radius-btn);
  background:rgba(11,13,12,.55);
  border:1px solid var(--line-ink);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:56px;background:rgba(11,13,12,.78);box-shadow:var(--shadow-ink);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,var(--lime),var(--lime-deep));
  color:#10130F;font-weight:900;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(200,255,61,.22);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text-hi);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;color:var(--text-lo);
}
.nav-links a:hover{color:var(--text-hi);background:rgba(255,255,255,.06);}
.nav-links a.is-active{color:var(--lime);background:var(--lime-soft);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--lime);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--line-ink);
  cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-hi);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text-hi);border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-drawer{
  position:fixed;inset:0;z-index:79;
  background:rgba(11,13,12,.98);
  padding:110px 28px 40px;
  display:none;flex-direction:column;
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.nav-drawer a{
  font-size:24px;font-weight:800;color:var(--text-hi);
  padding:16px 0;border-bottom:1px solid var(--line-ink);
  opacity:0;transform:translateY(10px);
}
.nav-drawer.is-open a{opacity:1;transform:none;transition:opacity 240ms ease,transform 240ms ease;}
.nav-drawer.is-open a:nth-child(1){transition-delay:40ms;}
.nav-drawer.is-open a:nth-child(2){transition-delay:80ms;}
.nav-drawer.is-open a:nth-child(3){transition-delay:120ms;}
.nav-drawer.is-open a:nth-child(4){transition-delay:160ms;}
.nav-drawer.is-open a:nth-child(5){transition-delay:200ms;}
.nav-drawer a.is-active{color:var(--lime);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--lime);color:#10130F;box-shadow:0 8px 22px rgba(200,255,61,.20);}
.btn-primary:hover{background:#D6FF5E;transform:translate(2px,-1px);box-shadow:0 12px 26px rgba(200,255,61,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-ink);color:var(--text-hi);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:var(--lime-soft);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-dark{background:#10130F;color:var(--paper);}
.btn-dark:hover{background:#20261c;transform:translate(2px,-1px);}
.btn-outline-dark{background:transparent;border-color:rgba(16,19,15,.22);color:var(--ink-text);}
.btn-outline-dark:hover{border-color:var(--lime-deep);background:rgba(159,224,31,.16);}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.text-cta{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--lime);}
.text-cta span{transition:transform var(--ease);}
.text-cta:hover span{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:700;
  letter-spacing:.08em;border:1px solid var(--line-ink);color:var(--text-lo);
}
.badge-live{background:var(--flare);border-color:transparent;color:#fff;letter-spacing:.06em;}
.badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;
  animation:pulse 1.6s infinite;
}
.badge-lime{border-color:rgba(200,255,61,.45);color:var(--lime);background:var(--lime-soft);}
.badge-paper{border-color:var(--line-paper);color:var(--ink-text-lo);background:#fff;}
@keyframes pulse{0%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}100%{opacity:1;transform:scale(1);}}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 84px;
  background:var(--bg-ink);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.72),rgba(11,13,12,.94) 78%,var(--bg-ink));
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-lo);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(242,244,239,.3);}
.breadcrumb .current{color:var(--text-hi);}
.hero-inner h1{
  font-size:clamp(40px,7vw,86px);
  font-weight:900;line-height:1.06;letter-spacing:-.01em;
  margin:18px 0 20px;
}
.hero-inner h1 em{
  font-style:normal;color:var(--text-lo);
  -webkit-text-stroke:1px rgba(242,244,239,.35);
}
.hero-sub{font-size:17px;color:var(--text-lo);max-width:560px;line-height:1.85;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:30px;
  padding-top:24px;border-top:1px solid var(--line-ink);
}
.hero-facts li{font-size:14px;color:var(--text-lo);}
.hero-facts strong{display:block;font-size:20px;font-weight:800;color:var(--text-hi);}
.hero-media{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid var(--line-ink);box-shadow:var(--shadow-ink);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease);}
.hero-media:hover img{transform:scale(1.02);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,0) 40%,rgba(11,13,12,.72));
  transition:opacity var(--ease);
}
.hero-media:hover::after{opacity:.6;}
.hero-media figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-size:13px;color:var(--text-lo);
}
.hero-media figcaption .num{color:var(--lime);font-size:15px;font-weight:700;}

/* ---------- 纸白区 ---------- */
.paper{background:var(--paper);color:var(--ink-text);}
.paper .container{position:relative;}
.section{padding:104px 0;}
.section-head{
  display:flex;align-items:center;gap:16px;margin-bottom:44px;
}
.section-num{
  font-family:var(--font-num);font-size:15px;font-weight:800;
  color:var(--lime-deep);border:1px solid rgba(159,224,31,.55);
  border-radius:8px;padding:4px 10px;letter-spacing:.06em;flex:0 0 auto;
}
.section-head h2{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.15;
  letter-spacing:-.01em;flex:0 0 auto;
}
.section-head .rule{flex:1 1 auto;height:1px;background:var(--line-paper);}
.paper .section-head .rule{background:var(--line-paper);}
.bg-ink .rule{background:var(--line-ink);}
.section-lead{font-size:16px;color:var(--ink-text-lo);max-width:760px;margin:-24px 0 40px;line-height:1.85;}

/* ---------- 数据卡 2x3 ---------- */
.stat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.stat-card{
  background:var(--white);border:1px solid var(--line-paper);
  border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-paper);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(159,224,31,.6);}
.stat-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;}
.stat-label{font-size:14px;font-weight:700;color:var(--ink-text-lo);letter-spacing:.02em;}
.stat-value{
  display:flex;align-items:flex-end;gap:6px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4vw,46px);font-weight:800;line-height:1;letter-spacing:-.02em;
}
.stat-value .unit{font-size:14px;font-weight:600;color:var(--ink-text-lo);letter-spacing:0;padding-bottom:4px;}
.bar{
  margin-top:20px;height:6px;border-radius:999px;background:#EDEFE7;overflow:hidden;
}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime-deep),var(--lime));}
.stat-foot{
  margin-top:14px;font-size:13px;color:var(--ink-text-lo);
  display:flex;justify-content:space-between;gap:10px;
}
.stat-foot .up{color:#3F8F00;font-weight:700;}
.stat-foot .down{color:var(--flare);font-weight:700;}

/* ---------- 榜单 ---------- */
.rank-panel{
  background:var(--white);border:1px solid var(--line-paper);
  border-radius:var(--radius-media);box-shadow:var(--shadow-paper);
  overflow:hidden;
}
.rank-head{
  display:grid;grid-template-columns:76px 1fr 160px 96px;
  gap:12px;padding:18px 26px;
  border-bottom:1px solid var(--line-paper);
  font-size:13px;font-weight:700;color:var(--ink-text-lo);letter-spacing:.06em;
}
.rank-row{
  display:grid;grid-template-columns:76px 1fr 160px 96px;
  gap:12px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line-paper);
  transition:background var(--ease),padding-left var(--ease);
}
.rank-row:last-child{border-bottom:none;}
.rank-row:hover{background:#FAFBF7;padding-left:30px;}
.rank-no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  border:1px solid var(--line-paper);color:var(--ink-text-lo);
}
.rank-no.is-top{background:var(--lime);border-color:var(--lime);color:#10130F;}
.rank-name strong{display:block;font-size:17px;font-weight:800;color:var(--ink-text);}
.rank-name span{display:block;font-size:13px;color:var(--ink-text-lo);margin-top:2px;}
.rank-value{display:flex;align-items:baseline;gap:6px;justify-content:flex-end;}
.rank-value .v{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;}
.rank-value .u{font-size:12px;color:var(--ink-text-lo);}
.trend{
  display:inline-flex;align-items:center;justify-content:center;gap:4px;
  padding:5px 10px;border-radius:999px;font-size:13px;font-weight:800;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  border:1px solid var(--line-paper);color:var(--ink-text-lo);
}
.trend.up{color:#3F8F00;border-color:rgba(63,143,0,.3);background:rgba(200,255,61,.18);}
.trend.down{color:var(--flare);border-color:rgba(255,83,38,.28);background:rgba(255,83,38,.08);}
.rank-note{
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
  margin-top:22px;font-size:13px;color:var(--ink-text-lo);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--lime-deep);display:inline-block;margin-right:8px;}

/* ---------- 口径清单 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rule-card{
  border:1px solid var(--line-paper);border-radius:var(--radius-card);
  padding:26px;background:#FBFCF9;
  transition:border-color var(--ease),transform var(--ease);
}
.rule-card:hover{border-color:rgba(159,224,31,.6);transform:translateY(-4px);}
.rule-card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:var(--ink-text);}
.rule-card p{font-size:15px;color:var(--ink-text-lo);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-list{
  background:var(--white);border:1px solid var(--line-paper);
  border-radius:var(--radius-media);overflow:hidden;box-shadow:var(--shadow-paper);
}
.faq-item{border-bottom:1px solid var(--line-paper);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:grid;grid-template-columns:56px 1fr 24px;align-items:center;gap:12px;
  padding:22px 26px;transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FAFBF7;}
.faq-num{font-family:var(--font-num);font-size:14px;font-weight:800;color:var(--lime-deep);letter-spacing:.06em;}
.faq-q{font-size:17px;font-weight:700;color:var(--ink-text);}
.faq-icon{position:relative;width:16px;height:16px;justify-self:end;transition:transform 240ms cubic-bezier(.22,.8,.24,1);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-text);border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-icon{transform:rotate(90deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{padding:0 26px 24px 94px;font-size:15px;color:var(--ink-text-lo);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{background:var(--bg-ink);padding:96px 0;position:relative;overflow:hidden;}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{
  border:1px solid var(--line-ink);border-radius:var(--radius-media);
  padding:48px;background:var(--surface-ink);
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.cta-inner h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.2;margin-bottom:14px;}
.cta-inner p{font-size:15px;color:var(--text-lo);}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;min-width:0;
  padding:14px 18px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line-ink);
  color:var(--text-hi);
  transition:border-color var(--ease),background var(--ease);
}
.sub-form input::placeholder{color:rgba(242,244,239,.42);}
.sub-form input:focus{outline:none;border-color:var(--lime);background:rgba(200,255,61,.06);}
.form-hint{margin-top:12px;font-size:13px;color:var(--text-lo);}
.form-msg{margin-top:10px;font-size:13px;color:var(--lime);min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-ink);border-top:1px solid var(--line-ink);
  padding:72px 0 32px;color:var(--text-lo);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px;}
.footer-brand .brand-text{color:var(--text-hi);font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.85;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--text-hi);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact strong{color:var(--text-hi);font-weight:700;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-ink);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;
}
.footer-bottom a{color:var(--lime);}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms ease,transform 620ms cubic-bezier(.22,.8,.24,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-links a{padding:9px 11px;font-size:14px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .page-hero{padding:130px 0 68px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .rule-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;padding:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:84px 0;}
}
@media (max-width:860px){
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-drawer{display:flex;}
  .rank-head{display:none;}
  .rank-row{grid-template-columns:52px 1fr auto;gap:10px;padding:18px;}
  .rank-row:hover{padding-left:18px;}
  .rank-value{justify-content:flex-start;grid-column:2/3;}
  .trend{grid-column:3/4;grid-row:1/2;justify-self:end;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .section-head{flex-wrap:wrap;gap:12px;}
  .section-head .rule{display:none;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-card{padding:22px;}
  .faq-item summary{padding:18px;grid-template-columns:44px 1fr 22px;}
  .faq-a{padding:0 18px 20px 62px;}
  .hero-inner h1{font-size:clamp(32px,10vw,46px);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .site-header{top:12px;}
  .nav-shell{height:60px;padding:0 10px 0 14px;}
  .brand-text{font-size:16px;}
  .hero-facts{flex-direction:column;gap:16px;}
  .rank-row{grid-template-columns:44px 1fr;grid-auto-rows:auto;}
  .rank-value{grid-column:2/3;justify-content:flex-start;}
  .trend{grid-column:2/3;grid-row:auto;justify-self:start;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --bg-ink:#0B0D0C;
  --bg-ink-2:#121614;
  --surface-ink:rgba(255,255,255,.035);
  --paper:#F5F6F2;
  --lime:#C8FF3D;
  --lime-hi:#D6FF5E;
  --lime-deep:#9FE01F;
  --flare:#FF5326;
  --text-hi:#F2F4EF;
  --text-lo:rgba(242,244,239,.62);
  --ink-text:#10130F;
  --ink-text-lo:rgba(16,19,15,.62);
  --line-ink:rgba(255,255,255,.10);
  --line-paper:#E4E6DE;
  --shadow-ink:0 18px 40px rgba(0,0,0,.45);
  --shadow-paper:0 10px 28px rgba(16,19,15,.08);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:999px;
  --r-sm:12px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --container:1200px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text-hi);
  font-family:system-ui,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
::selection{background:var(--lime);color:var(--ink-text);}
.num{font-family:"DIN Alternate","Bebas Neue",ui-monospace,monospace;font-variant-numeric:tabular-nums;}

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

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:90;
  display:flex;
  justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;
  max-width:var(--container);
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 12px 0 20px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-btn);
  background:rgba(11,13,12,.55);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:height 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:56px;
  background:rgba(11,13,12,.78);
  box-shadow:var(--shadow-ink);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:grid;place-items:center;
  width:32px;height:32px;
  border-radius:10px;
  background:var(--lime);
  color:var(--ink-text);
  font-weight:900;font-size:17px;
  letter-spacing:-.02em;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;color:var(--lime);}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-lo);
  border-radius:var(--r-btn);
  transition:color 220ms var(--ease),background 220ms var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--lime);
  transform:translateX(-50%) scale(0);
  transition:transform 220ms var(--ease);
}
.nav-links a:hover{color:var(--text-hi);}
.nav-links a:hover::after{transform:translateX(-50%) scale(1);}
.nav-links a.is-active{color:var(--text-hi);background:rgba(200,255,61,.09);}
.nav-links a.is-active::after{transform:translateX(-50%) scale(1);}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink-text);
  font-size:14px;font-weight:800;
  transition:background 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-cta:hover{background:var(--lime-hi);transform:translateX(2px);box-shadow:0 8px 20px rgba(200,255,61,.22);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line-ink);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  flex:0 0 auto;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-hi);border-radius:2px;transition:transform 220ms var(--ease),opacity 220ms var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 首屏 Banner ===== */
.page-hero{
  position:relative;
  padding:170px 0 84px;
  background:
    linear-gradient(180deg,rgba(11,13,12,.86) 0%,rgba(11,13,12,.74) 45%,rgba(11,13,12,.96) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line-ink);
}
.page-hero::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,255,61,.35),transparent);
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-lo);letter-spacing:.02em;
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-lo);transition:color 220ms var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}
.breadcrumb .current{color:var(--text-hi);font-weight:600;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border:1px solid rgba(200,255,61,.35);
  border-radius:var(--r-btn);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--lime);
  margin-bottom:24px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--lime);font-style:normal;}
.page-hero h1{
  font-size:clamp(34px,5.4vw,60px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.01em;
  max-width:20ch;
}
.page-hero h1 .thin{color:var(--text-lo);}
.hero-lead{
  margin-top:22px;
  max-width:60ch;
  font-size:17px;
  color:var(--text-lo);
  line-height:1.85;
}
.hero-search{
  margin-top:34px;
  display:flex;
  gap:10px;
  max-width:620px;
  padding:8px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.hero-search:focus-within{border-color:rgba(200,255,61,.55);box-shadow:0 0 0 3px rgba(200,255,61,.10);}
.hero-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  padding:10px 18px;
  font-size:15px;
  outline:none;
}
.hero-search input::placeholder{color:rgba(242,244,239,.40);}
.hero-search button{
  flex:0 0 auto;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink-text);
  font-size:14px;font-weight:800;
  transition:background 220ms var(--ease),transform 220ms var(--ease);
}
.hero-search button:hover{background:var(--lime-hi);transform:translateX(2px);}
.hero-search button:active{transform:translateY(1px);}
.hero-meta{
  margin-top:18px;
  font-size:13px;
  color:rgba(242,244,239,.45);
  letter-spacing:.02em;
}

/* ===== 板块通用 ===== */
.section{padding:96px 0;}
.section.alt{background:var(--bg-ink-2);border-top:1px solid var(--line-ink);border-bottom:1px solid var(--line-ink);}
.section.paper{background:var(--paper);color:var(--ink-text);}
.section-head{
  display:flex;
  align-items:flex-end;
  gap:20px;
  margin-bottom:44px;
}
.section-head .num-tag{
  flex:0 0 auto;
  font-family:"DIN Alternate",ui-monospace,monospace;
  font-size:34px;
  font-weight:900;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px var(--lime-deep);
}
.section.paper .section-head .num-tag{-webkit-text-stroke:1.4px #9BB03A;}
.section-head h2{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.section-head p{
  font-size:15px;
  color:var(--text-lo);
  margin-top:10px;
  max-width:62ch;
}
.section.paper .section-head p{color:var(--ink-text-lo);}
.section-head .head-line{
  flex:1;
  height:1px;
  background:var(--line-ink);
  margin-bottom:10px;
}
.section.paper .section-head .head-line{background:var(--line-paper);}

/* ===== 快速自助入口卡 ===== */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.quick-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:26px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.quick-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);background:rgba(255,255,255,.055);}
.quick-card .q-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(200,255,61,.12);
  border:1px solid rgba(200,255,61,.28);
  color:var(--lime);
  font-family:"DIN Alternate",ui-monospace,monospace;
  font-weight:900;font-size:16px;
}
.quick-card h3{font-size:20px;font-weight:700;line-height:1.35;}
.quick-card p{font-size:14.5px;color:var(--text-lo);line-height:1.8;}
.quick-card .q-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--lime);
}
.quick-card .q-link span{transition:transform 220ms var(--ease);}
.quick-card:hover .q-link span{transform:translateX(4px);}

/* ===== 分组折叠 FAQ ===== */
.faq-groups{display:grid;gap:52px;}
.faq-group-head{
  display:flex;align-items:center;gap:16px;
  margin-bottom:18px;
}
.faq-group-head .g-index{
  font-family:"DIN Alternate",ui-monospace,monospace;
  font-size:15px;font-weight:900;
  color:var(--lime);
  letter-spacing:.06em;
}
.faq-group-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;}
.faq-group-head .g-line{flex:1;height:1px;background:var(--line-paper);}
.faq-list{border-top:1px solid var(--line-paper);}
.faq-item{border-bottom:1px solid var(--line-paper);}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:22px 4px;
  cursor:pointer;
  list-style:none;
  transition:background 220ms var(--ease),padding 220ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(16,19,15,.03);padding-left:10px;}
.faq-no{
  flex:0 0 auto;
  font-family:"DIN Alternate",ui-monospace,monospace;
  font-size:14px;font-weight:900;
  color:#9BB03A;
  padding-top:4px;
  letter-spacing:.04em;
}
.faq-q{flex:1;font-size:17px;font-weight:700;line-height:1.6;color:var(--ink-text);}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:22px;height:22px;
  margin-top:3px;
  transition:transform 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:#9BB03A;
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity 240ms var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(90deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-item[open] .faq-q{color:#1E2A12;}
.faq-a{
  padding:0 4px 26px 46px;
  font-size:15.5px;
  line-height:1.9;
  color:rgba(16,19,15,.72);
  max-width:78ch;
}
.faq-a strong{color:var(--ink-text);font-weight:700;}
.faq-a a{color:#4C6B14;border-bottom:1px solid rgba(76,107,20,.4);}
.faq-a a:hover{color:#2F4907;border-bottom-color:#2F4907;}

/* ===== 联系区 ===== */
.contact-wrap{
  display:grid;
  grid-template-columns:1.25fr .85fr;
  gap:32px;
  align-items:start;
}
.contact-form{
  padding:32px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-lg);
  background:var(--surface-ink);
}
.contact-form h2{
  font-size:clamp(22px,2.6vw,28px);
  font-weight:800;
  margin-bottom:8px;
}
.contact-form .form-intro{
  font-size:14.5px;
  color:var(--text-lo);
  margin-bottom:26px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text-lo);
  margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;
  padding:13px 16px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  font-size:15px;
  outline:none;
  transition:border-color 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:rgba(242,244,239,.36);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(200,255,61,.6);
  background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(200,255,61,.10);
}
.field select option{color:#10130F;background:#F5F6F2;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-foot{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:8px;
}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink-text);
  font-size:15px;font-weight:800;
  transition:background 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-primary:hover{background:var(--lime-hi);transform:translateX(2px);box-shadow:0 10px 24px rgba(200,255,61,.22);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-ink);
  color:var(--text-hi);
  font-size:15px;font-weight:700;
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08);}
.form-note{font-size:13px;color:rgba(242,244,239,.45);margin-top:14px;line-height:1.7;}
.form-msg{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  font-size:14px;
  border:1px solid transparent;
}
.form-msg.is-ok{display:block;border-color:rgba(200,255,61,.45);background:rgba(200,255,61,.08);color:var(--lime);}
.form-msg.is-err{display:block;border-color:rgba(255,83,38,.5);background:rgba(255,83,38,.08);color:#FF7A55;}

.contact-side{display:grid;gap:20px;}
.side-card{
  padding:26px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  background:var(--surface-ink);
}
.side-card h3{font-size:17px;font-weight:800;margin-bottom:16px;}
.side-list{display:grid;gap:14px;}
.side-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--text-lo);
  line-height:1.75;
}
.side-list li strong{color:var(--text-hi);font-weight:700;flex:0 0 auto;}
.side-list li .dot{
  flex:0 0 auto;
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
  margin-top:10px;
}
.side-cover{
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  overflow:hidden;
}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 260ms var(--ease);}
.side-cover:hover img{transform:scale(1.02);}
.side-cover figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--text-lo);
  background:var(--surface-ink);
  border-top:1px solid var(--line-ink);
}

/* ===== CTA 带 + 分类切换 ===== */
.cta-band{
  padding:64px 0;
  background:
    linear-gradient(120deg,rgba(11,13,12,.92),rgba(11,13,12,.78)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-top:1px solid var(--line-ink);
  border-bottom:1px solid var(--line-ink);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.3;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-lo);max-width:56ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cat-switch{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:34px;
}
.cat-switch a{
  padding:9px 18px;
  border:1px solid var(--line-ink);
  border-radius:var(--r-btn);
  font-size:14px;
  color:var(--text-lo);
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.cat-switch a:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.07);}
.cat-switch a.is-active{border-color:rgba(200,255,61,.5);color:var(--lime);background:rgba(200,255,61,.10);font-weight:700;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-ink);
  border-top:1px solid var(--line-ink);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-lo);line-height:1.85;max-width:36ch;}
.footer-title{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:var(--text-hi);
  margin-bottom:16px;
}
.footer-links{display:grid;gap:11px;}
.footer-links a{
  font-size:14px;color:var(--text-lo);
  transition:color 220ms var(--ease),transform 220ms var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--lime);transform:translateX(3px);}
.footer-contact{display:grid;gap:12px;font-size:14px;color:var(--text-lo);line-height:1.75;}
.footer-contact strong{color:var(--text-hi);font-weight:700;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line-ink);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(242,244,239,.45);
}
.footer-bottom a{color:rgba(242,244,239,.62);transition:color 220ms var(--ease);}
.footer-bottom a:hover{color:var(--lime);}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 600ms var(--ease),transform 600ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .quick-grid{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:150px 0 68px;}
  .section{padding:78px 0;}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;
    top:0;left:0;right:0;
    height:100vh;
    flex-direction:column;
    justify-content:center;
    gap:6px;
    padding:80px 24px;
    background:rgba(11,13,12,.97);
    backdrop-filter:blur(20px);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);
    margin-left:0;
    z-index:95;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    font-size:24px;
    font-weight:700;
    padding:14px 8px;
    color:var(--text-hi);
  }
  .nav-links a::after{left:8px;transform:none;bottom:50%;margin-bottom:-2px;}
  .nav-links a:hover::after{transform:scale(1);}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-shell{padding:0 10px 0 16px;gap:12px;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .section-head{flex-wrap:wrap;gap:12px;}
  .section-head .head-line{display:none;}
  .quick-grid{grid-template-columns:1fr;}
  .quick-card{padding:22px;}
  .field-row{grid-template-columns:1fr;}
  .contact-form{padding:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .faq-a{padding-left:0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .site-header{padding:0 12px;top:14px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:28px;height:28px;font-size:15px;}
  .page-hero{padding:130px 0 56px;}
  .page-hero h1{font-size:clamp(28px,8vw,36px);}
  .hero-search{flex-direction:column;border-radius:18px;padding:10px;}
  .hero-search button{width:100%;}
  .section{padding:56px 0;}
  .section-head .num-tag{font-size:26px;}
  .faq-item summary{gap:12px;padding:18px 2px;}
  .faq-q{font-size:16px;}
  .faq-no{padding-top:3px;}
  .btn-primary,.btn-ghost{width:100%;justify-content:center;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}