/* roulang page: index */
:root{
  --brand-900:#071812;
  --brand-800:#0C1F1A;
  --brand-700:#12362B;
  --accent:#C8FF3E;
  --accent-ink:#0C1F1A;
  --accent-deep:#1F7A3D;
  --hot:#FF7A1A;
  --ink:#16211C;
  --ink-2:#5A6A62;
  --line:#DCE3DA;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EA;
  --ok:#1B8E7A;
  --warn:#B7791F;
  --err:#C0392B;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,31,26,.06),0 8px 24px -12px rgba(12,31,26,.18);
  --sh-2:0 2px 4px rgba(12,31,26,.07),0 18px 40px -18px rgba(12,31,26,.26);
  --sh-3:0 24px 60px -24px rgba(12,31,26,.34);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:700;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1280px;}}
@media (max-width:479px){.container{padding:0 16px;}}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 0 0;
  background:linear-gradient(180deg,rgba(244,246,242,.97) 0%,rgba(244,246,242,.86) 62%,rgba(244,246,242,0) 100%);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav-panel.is-compact{box-shadow:var(--sh-2);border-bottom-color:rgba(31,122,61,.28);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--brand-800);
  clip-path:polygon(0 0,100% 0,100% 72%,74% 100%,0 100%);
}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-800);letter-spacing:-.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--accent-deep);}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.nav-item{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;line-height:1;
  padding:10px 12px;
  border-radius:12px;
  background:var(--bg);
  color:var(--ink);
  border-left:3px solid transparent;
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.nav-item:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px);}
.nav-item:active{transform:translateY(0);}
.nav-item.is-active{background:var(--brand-800);color:var(--accent);border-left-color:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1.5px solid var(--brand-800);
  align-items:center;justify-content:center;
  transition:background var(--t) var(--ease);
}
.nav-toggle:hover{background:rgba(12,31,26,.06);}

.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--brand-900);
  padding:20px 20px 32px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;}
.drawer .brand-text{color:#fff;}
.drawer .brand-text em{color:var(--accent);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1.5px solid rgba(200,255,62,.5);color:var(--accent);display:grid;place-items:center;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-card{
  display:flex;flex-direction:column;gap:6px;
  padding:14px;border-radius:14px;
  background:var(--brand-700);
  border:1px solid rgba(200,255,62,.14);
  color:#EAF2E7;font-size:14px;font-weight:600;
  transition:background var(--t) var(--ease);
}
.drawer-card span{font-size:12px;font-weight:400;color:rgba(255,255,255,.6);}
.drawer-card:hover{background:#173F32;}
.drawer-card.is-active{background:var(--accent);color:var(--accent-ink);}
.drawer-card.is-active span{color:rgba(12,31,26,.7);}
.drawer-list{margin:24px 0;border-top:1px dashed rgba(200,255,62,.2);}
.drawer-list a{display:block;padding:14px 2px;border-bottom:1px dashed rgba(200,255,62,.2);color:rgba(255,255,255,.78);font-size:15px;}
.drawer-list a:hover{color:var(--accent);}
.drawer .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{background:#BDF22F;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:#B2E62B;}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:rgba(12,31,26,.06);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--brand-800);color:var(--accent);}
.btn-dark:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px);}
.btn-dark:active{transform:translateY(0);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.link-more{
  display:inline-flex;align-items:center;gap:4px;
  font-size:14px;font-weight:600;color:var(--accent-deep);
}
.link-more span{transition:transform var(--t) var(--ease);}
.link-more:hover span{transform:translateX(3px);}
.link-more:hover{text-decoration:underline;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--brand-800);color:#EAF2E7;padding:104px 0;}
.section-alt{background:var(--surface-2);padding:72px 0;}
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--accent-deep);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-dark .eyebrow{color:var(--accent);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:680px;}
.section-dark .section-head p{color:rgba(255,255,255,.66);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:clamp(18px,2vw,21px);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:32px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 88% 10%,rgba(31,122,61,.10),transparent 42%),radial-gradient(circle at 4% 84%,rgba(200,255,62,.16),transparent 40%);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  letter-spacing:-.025em;
  line-height:1.18;
}
.hero h1 .hl{position:relative;color:var(--accent-deep);white-space:nowrap;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:5px;border-radius:3px;
  background:var(--accent);opacity:.85;
}
.hero-sub{margin-top:20px;font-size:18px;color:var(--ink-2);max-width:600px;line-height:1.8;}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-mini{display:flex;gap:20px;margin-top:32px;flex-wrap:wrap;}
.hero-mini li{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);}
.hero-mini svg{color:var(--accent-deep);flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-main{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:var(--sh-3);
}
.hero-float{
  position:absolute;right:-14px;bottom:56px;width:46%;
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:10px;
  border:1px solid var(--line);
}
.hero-float img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;}
.hero-float p{font-size:12px;color:var(--ink-2);margin-top:8px;line-height:1.5;}
.scoreboard{
  position:absolute;left:-14px;bottom:-24px;
  display:flex;gap:0;
  background:var(--brand-800);
  border-radius:var(--r-lg);
  padding:14px 6px;
  box-shadow:var(--sh-2);
  overflow-x:auto;
  max-width:calc(100% + 28px);
}
.scoreboard div{padding:0 16px;border-right:1px dashed rgba(200,255,62,.24);min-width:88px;}
.scoreboard div:last-child{border-right:0;}
.sb-num{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--accent);line-height:1.2;}
.sb-label{display:block;font-size:12px;color:rgba(255,255,255,.66);margin-top:2px;}

/* ---------- 快捷入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.quick-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35);}
.quick-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(200,255,62,.18);
  color:var(--accent-deep);
  display:grid;place-items:center;
}
.quick-card h3{font-size:16px;font-weight:600;}
.quick-card p{font-size:13px;color:var(--ink-2);line-height:1.65;}

/* ---------- 功能分组 ---------- */
.group{padding:36px 0;}
.group + .group{border-top:1px dashed var(--line);}
.group-head{display:flex;align-items:baseline;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.group-num{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--hot);letter-spacing:.06em;}
.group-head h2{font-size:clamp(22px,2.6vw,30px);}
.group-head p{flex:1 1 320px;font-size:14px;color:var(--ink-2);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:24px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35);}
.feat-card{position:relative;padding-top:28px;}
.feat-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:0 0 3px 3px;
  background:var(--accent);
}
.feat-cap{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.feat-cap .quick-icon{flex:0 0 40px;}
.feat-cap h3{font-size:18px;}
.feat-num{margin-left:auto;font-family:var(--mono);font-size:13px;color:var(--hot);font-weight:700;}
.card p{font-size:14px;color:var(--ink-2);line-height:1.7;}

.stagger{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;}
.stagger img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1);}
.stagger-cards{display:flex;flex-direction:column;gap:16px;}

.hscroll-wrap{position:relative;}
.hscroll{
  display:flex;gap:16px;
  overflow-x:auto;
  padding:4px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.hscroll::-webkit-scrollbar{height:6px;}
.hscroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.hscroll > *{flex:0 0 280px;scroll-snap-align:start;}
.hscroll-nav{display:flex;gap:8px;}
.hscroll-btn{
  width:40px;height:40px;border-radius:12px;
  border:1.5px solid var(--brand-800);
  display:grid;place-items:center;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.hscroll-btn:hover{background:var(--brand-800);color:var(--accent);}

/* ---------- 场景卡 ---------- */
.scene-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scene-body{padding:22px;}
.scene-body h3{font-size:19px;margin-bottom:8px;}
.scene-body p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px);
}
.step{position:relative;padding-top:56px;}
.step-num{
  position:absolute;top:0;left:0;
  width:52px;height:52px;border-radius:16px;
  background:var(--brand-800);color:var(--accent);
  display:grid;place-items:center;
  font-family:var(--mono);font-size:18px;font-weight:700;
  box-shadow:var(--sh-1);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- 深色数据区 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px;}
.case-card{
  background:var(--brand-700);
  border-radius:var(--r-lg);
  padding:24px;
  border:1px solid rgba(200,255,62,.14);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease);
}
.case-card:hover{transform:translateY(-2px);border-color:rgba(200,255,62,.4);}
.badge{
  display:inline-block;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 10px;
  border-radius:var(--r-pill);
  background:rgba(200,255,62,.16);
  color:var(--accent);
  margin-bottom:14px;
}
.badge-soft{background:rgba(200,255,62,.18);color:var(--brand-800);}
.case-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.case-card p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7;}
.case-foot{
  margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(200,255,62,.24);
  font-size:13px;color:rgba(255,255,255,.5);
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-row > div{border-left:2px solid var(--accent);padding-left:16px;}
.stat-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--accent);line-height:1.15;}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:6px;}

/* ---------- 定价 ---------- */
.price-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px;flex-wrap:wrap;}
.price-head h2{font-size:clamp(24px,3vw,34px);}
.price-head span{font-size:14px;color:var(--ink-2);}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35);}
.price-card h3{font-size:18px;margin-bottom:6px;}
.price-card .price-note{font-size:13px;color:var(--ink-2);margin-bottom:20px;}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:20px;}
.price-amount strong{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:40px;font-weight:700;line-height:1;letter-spacing:-.03em;}
.price-amount small{font-size:13px;color:var(--ink-2);}
.price-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.6;}
.price-list svg{flex:0 0 18px;margin-top:4px;color:var(--accent-deep);}
.price-card .btn{width:100%;}
.price-card.is-featured{
  background:var(--brand-800);
  border-color:var(--brand-800);
  color:#fff;
  transform:translateY(-8px);
  box-shadow:var(--sh-3);
}
.price-card.is-featured:hover{transform:translateY(-10px);}
.price-card.is-featured h3{color:#fff;}
.price-card.is-featured .price-note,
.price-card.is-featured .price-amount small{color:rgba(255,255,255,.62);}
.price-card.is-featured .price-amount strong{color:var(--accent);}
.price-card.is-featured .price-list li{color:rgba(255,255,255,.76);}
.price-card.is-featured .price-list svg{color:var(--accent);}

/* ---------- CMS 资讯 ---------- */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.news-lead{display:grid;grid-template-columns:1fr;padding:0;overflow:hidden;}
.news-lead-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-lead-body{padding:24px;}
.news-lead-body h3{font-size:20px;margin-bottom:10px;}
.news-lead-body h3 a:hover{color:var(--accent-deep);}
.news-summary{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.news-meta{font-family:var(--mono);font-size:13px;color:var(--ink-2);}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.news-item + .news-item{border-top:1px dashed var(--line);}
.news-item a{display:block;padding:18px 22px;transition:background var(--t) var(--ease);}
.news-item a:hover{background:var(--surface-2);}
.news-item-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:15px;font-weight:600;line-height:1.55;margin-bottom:10px;
}
.news-item a:hover .news-item-title{color:var(--accent-deep);}
.news-item-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-item-meta .badge{margin-bottom:0;}
.news-item-meta .mono{font-size:13px;color:var(--ink-2);}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  padding:56px 24px;
}
.empty-state svg{color:var(--accent-deep);}
.empty-state p{font-size:15px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.faq-layout h2{font-size:clamp(24px,3vw,34px);}
.faq-layout .faq-intro{font-size:15px;color:var(--ink-2);margin-top:14px;max-width:340px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item:hover{border-color:rgba(31,122,61,.35);}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:18px 22px;
  font-size:16px;font-weight:600;
  cursor:pointer;
  list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";flex:0 0 3px;width:3px;height:18px;border-radius:3px;background:var(--accent);
}
.faq-item summary::after{
  content:"+";margin-left:auto;
  font-family:var(--mono);font-size:20px;font-weight:400;color:var(--accent-deep);
  transition:transform var(--t) var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{background:var(--surface-2);padding:16px 22px 20px 37px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-800);
  border-radius:var(--r-xl);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  border:2px dashed rgba(200,255,62,.22);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);position:relative;}
.cta-band p{color:rgba(255,255,255,.66);font-size:15px;margin-top:10px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.cta-band .btn-primary:hover{background:#fff;color:var(--brand-800);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  border-top:1px dashed rgba(200,255,62,.2);
  margin-top:88px;
  padding:64px 0 0;
  color:rgba(255,255,255,.72);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t) var(--ease),transform var(--t) var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  border-top:1px dashed rgba(200,255,62,.2);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--accent);
  color:var(--accent);
  display:grid;place-items:center;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--accent-ink);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-visual{max-width:560px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:1fr;}
  .stagger{grid-template-columns:1fr;gap:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .case-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-2px);}
  .news-layout{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-dark{padding:56px 0;}
  .section-alt{padding:48px 0;}
  .hero{padding:16px 0 64px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .hero-float{right:0;bottom:auto;top:12px;width:52%;}
  .scoreboard{position:relative;left:0;bottom:0;margin-top:16px;max-width:100%;}
  .scene-wrap{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:32px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:479px){
  .quick-grid{grid-template-columns:1fr;}
  .hero-mini{gap:12px;}
  .hero h1{font-size:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
  .card:hover,.quick-card:hover,.scene-card:hover,.price-card:hover,.case-card:hover,
  .btn:hover,.nav-item:hover,.footer-col a:hover{transform:none!important;}
}

/* roulang page: category1 */
/* ===== 设计令牌 ===== */
:root{
  --brand-900:#071812;
  --brand-800:#0C1F1A;
  --brand-700:#12362B;
  --accent:#C8FF3E;
  --accent-ink:#0C1F1A;
  --accent-deep:#1F7A3D;
  --hot:#FF7A1A;
  --ink:#16211C;
  --ink-2:#5A6A62;
  --line:#DCE3DA;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EA;
  --ok:#1B8E7A;
  --warn:#B7791F;
  --err:#C0392B;

  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.18);
  --sh-2:0 2px 4px rgba(12,31,26,.07), 0 18px 40px -18px rgba(12,31,26,.26);
  --sh-3:0 24px 60px -24px rgba(12,31,26,.34);

  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ===== 容器与通用 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-deep);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent)}
.dashed{border-top:1px dashed var(--line)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  padding:12px 0 0;
}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  transition:padding .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled .nav-panel{
  padding:6px 14px;
  box-shadow:var(--sh-2);
  border-bottom:1px solid rgba(31,122,61,.16);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-height:28px}
.brand-mark{
  position:relative;
  width:34px;height:34px;border-radius:var(--r-md);
  background:var(--brand-800);
  display:grid;place-items:center;
  flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;inset:0;
  background:var(--accent);
  clip-path:polygon(100% 0,100% 34%,74% 0);
  opacity:.9;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--accent-deep)}

.nav-links{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;
  justify-content:center;
  min-width:0;
}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;
  border-radius:var(--r-md);
  background:var(--bg);
  color:var(--ink);
  font-size:13px;font-weight:600;
  white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.nav-item:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px)}
.nav-item.is-active{
  background:var(--brand-800);
  color:var(--accent);
  box-shadow:inset 3px 0 0 var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-md);
  background:var(--brand-800);
  color:var(--accent);
  align-items:center;justify-content:center;
  flex:0 0 auto;
}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--brand-900);
  padding:20px 20px 40px;
  overflow-y:auto;
  display:none;
}
.drawer.is-open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}
.drawer .brand-text{color:#fff}
.drawer .brand-text em{color:var(--accent)}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-md);
  border:1.5px solid rgba(200,255,62,.4);
  color:var(--accent);
  display:grid;place-items:center;
}
.drawer-label{font-size:12px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:12px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}
.drawer-card{
  background:var(--brand-700);
  border:1px solid rgba(200,255,62,.16);
  border-radius:var(--r-md);
  padding:14px 12px;
  color:#fff;font-size:13px;font-weight:600;line-height:1.5;
}
.drawer-card.is-active{background:var(--accent);color:var(--accent-ink)}
.drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:28px}
.drawer-list a{
  padding:13px 4px;font-size:15px;color:rgba(255,255,255,.82);
  border-bottom:1px dashed rgba(200,255,62,.18);
}
.drawer-list a:hover{color:var(--accent)}
.drawer .btn-primary{width:100%;justify-content:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-md);
  font-size:14px;font-weight:600;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-lg{height:52px;padding:0 28px;font-size:15px}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background:#bdf22f}
.btn-primary:active{transform:translateY(0);filter:brightness(96%)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-800);color:var(--brand-800)}
.btn-ghost:hover{background:rgba(12,31,26,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:var(--brand-800);color:var(--accent);border:1.5px solid var(--brand-800)}
.btn-dark:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-deep);font-size:14px;font-weight:600;
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.btn-link svg{transition:transform .18s var(--ease)}
.btn-link:hover{text-decoration:underline}
.btn-link:hover svg{transform:translateX(3px)}

/* ===== 面包屑 ===== */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;flex-wrap:wrap}
.crumbs a:hover{color:var(--accent-deep)}
.crumbs .sep{color:#A9B6AC}
.crumbs .current{color:var(--ink);font-weight:600}

/* ===== 页头 ===== */
.page-head{
  position:relative;
  background:var(--surface-2);
  border-bottom:1px solid var(--line);
  padding:36px 0 52px;
  overflow:hidden;
}
.page-head .arc{
  position:absolute;right:-120px;top:-60px;width:620px;height:620px;
  opacity:.08;pointer-events:none;
}
.head-grid{
  position:relative;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.page-head h1{
  font-size:clamp(28px,4.4vw,44px);
  font-weight:800;
  letter-spacing:-.03em;
  max-width:640px;
}
.page-head h1 .hl{
  color:var(--accent-deep);
  box-shadow:inset 0 -10px 0 rgba(200,255,62,.55);
}
.head-lead{margin-top:18px;color:var(--ink-2);max-width:640px;font-size:16.5px}
.head-lead + .head-lead{margin-top:12px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.stat-strip{
  display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;
}
.stat{
  flex:1 1 150px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:14px 16px;
  box-shadow:var(--sh-1);
  min-width:0;
}
.stat b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--brand-800);line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--ink-2);margin-top:4px}

.head-figure{position:relative}
.head-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:var(--sh-3);
}
.head-tag{
  position:absolute;left:-14px;bottom:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 16px;
  box-shadow:var(--sh-3);
  max-width:70%;
}
.head-tag b{display:block;font-size:13px;font-weight:700}
.head-tag span{display:block;font-size:12px;color:var(--ink-2);margin-top:2px}

/* ===== 锚点胶囊条 ===== */
.anchor-bar{
  position:sticky;top:78px;z-index:40;
  background:var(--bg);
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.anchor-track{
  display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;
  padding-bottom:2px;
}
.anchor-track::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:13px;font-weight:600;
  color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{background:var(--brand-800);color:var(--accent);border-color:var(--brand-800);transform:translateY(-1px)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-deep)}
.chip:hover .dot{background:var(--accent)}

/* ===== 交替图文小节 ===== */
.zigzag-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:56px 0;
  border-bottom:1px dashed var(--line);
}
.zigzag-row:first-of-type{padding-top:8px}
.zigzag-row:last-of-type{border-bottom:0;padding-bottom:8px}
.zigzag-row.is-flip .zigzag-media{order:2}
.zigzag-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.zigzag-media img:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.zigzag-body h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.zigzag-body p{margin-top:14px;color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(200,255,62,.22);
  color:var(--brand-800);
  font-size:12px;font-weight:700;
}
.badge--hot{background:rgba(255,122,26,.14);color:#B24E0B}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;line-height:1.75;
}
.check-list li::before{
  content:"";flex:0 0 auto;
  width:8px;height:8px;margin-top:9px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 0 1px rgba(31,122,61,.35);
}
.check-list li b{font-weight:600}

.note-block{
  margin-top:22px;
  background:var(--surface-2);
  border-left:4px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:14px 18px;
  font-size:14.5px;
  color:var(--ink-2);
}
.note-block b{color:var(--ink);font-weight:600}

/* ===== 卡片通用 ===== */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}

/* ===== 相关入口卡 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{display:flex;flex-direction:column;gap:14px}
.entry-card .cover{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);
}
.entry-card h3{font-size:19px;font-weight:700}
.entry-card p{font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-card .btn-link{margin-top:auto}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.faq-aside h2{font-size:clamp(24px,3vw,32px)}
.faq-aside p{margin-top:14px;color:var(--ink-2);font-size:15px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(31,122,61,.35);box-shadow:var(--sh-2)}
.faq-item summary{
  position:relative;
  cursor:pointer;list-style:none;
  padding:18px 20px 18px 24px;
  font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--accent);border-radius:0 2px 2px 0;
}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:400;color:var(--accent-deep);line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{
  background:var(--surface-2);
  padding:14px 20px 20px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ===== 底部 CTA ===== */
.cta-panel{
  position:relative;
  background:var(--brand-800);
  border-radius:var(--r-xl);
  padding:52px 48px;
  color:#fff;
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(200,255,62,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,255,62,.06) 1px,transparent 1px);
  background-size:46px 46px;
  pointer-events:none;
}
.cta-panel h2{position:relative;font-size:clamp(22px,2.8vw,30px);color:#fff;max-width:620px}
.cta-panel p{position:relative;margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  margin-top:80px;
  padding:64px 0 28px;
  border-top:1px dashed rgba(200,255,62,.2);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:var(--accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.68)}
.footer-col strong{display:block;color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-contact p + p{margin-top:10px}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid rgba(200,255,62,.5);
  color:var(--accent);
  display:grid;place-items:center;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:1200px}
}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .head-grid{grid-template-columns:1fr;gap:32px}
  .head-figure{order:-1}
  .page-head{padding:24px 0 40px}
  .head-tag{left:12px;bottom:12px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .entry-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .anchor-bar{top:70px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .zigzag-row{grid-template-columns:1fr;gap:24px;padding:40px 0}
  .zigzag-row.is-flip .zigzag-media{order:0}
  .entry-grid{grid-template-columns:1fr}
  .cta-panel{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .section{padding:52px 0}
  .stat-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .stat{flex:0 0 62%}
  .head-actions .btn{width:100%}
}
@media (max-width:479px){
  .page-head h1{font-size:clamp(26px,7.6vw,32px)}
  .drawer-grid{grid-template-columns:1fr}
  .brand-text{font-size:16px}
  .anchor-bar{top:64px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .card:hover,.nav-item:hover,.btn:hover,.entry-card:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --brand-900:#071812;
  --brand-800:#0C1F1A;
  --brand-700:#12362B;
  --accent:#C8FF3E;
  --accent-ink:#0C1F1A;
  --accent-deep:#1F7A3D;
  --hot:#FF7A1A;
  --ink:#16211C;
  --ink-2:#5A6A62;
  --line:#DCE3DA;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EA;
  --ok:#1B8E7A;
  --warn:#B7791F;
  --err:#C0392B;
  --r-10:10px;
  --r-12:12px;
  --r-16:16px;
  --r-22:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,31,26,.06),0 8px 24px -12px rgba(12,31,26,.18);
  --sh-2:0 2px 4px rgba(12,31,26,.07),0 18px 40px -18px rgba(12,31,26,.26);
  --sh-3:0 24px 60px -24px rgba(12,31,26,.34);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--accent);color:var(--accent-ink);
  padding:10px 16px;border-radius:0 0 var(--r-12) 0;font-size:14px;font-weight:600;
}
.skip-link:focus{left:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
@media (max-width:520px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:12px 0;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:padding .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-bottom-color:var(--line);
  border-radius:var(--r-22);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  min-height:64px;
  transition:padding .22s var(--ease),border-radius .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-panel.is-tight{padding:6px 14px;box-shadow:var(--sh-1)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-800);
  box-shadow:inset 0 0 0 1px rgba(200,255,62,.35);
}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--brand-800);
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--accent-deep)}
.nav-links{
  display:flex;flex-wrap:wrap;gap:8px;margin-left:auto;
}
.nav-item{
  display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:var(--r-12);
  font-size:13px;font-weight:500;color:#26332C;
  background:var(--bg);border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.nav-item:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px)}
.nav-item.is-active{
  background:var(--brand-800);color:var(--accent);
  box-shadow:inset 3px 0 0 var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-12);
  align-items:center;justify-content:center;
  border:1.5px solid var(--brand-800);color:var(--brand-800);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(12,31,26,.06)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-12);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(.95);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.9)}
.btn-ghost{background:transparent;border-color:var(--brand-800);color:var(--brand-800)}
.btn-ghost:hover{background:rgba(12,31,26,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:var(--brand-800);color:var(--accent)}
.btn-dark:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-dark:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 28px;font-size:15px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-deep);font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{text-decoration:underline}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:22px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  overflow:hidden;white-space:nowrap;
}
.breadcrumb a{color:var(--ink-2);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--accent-deep)}
.crumb-sep{color:#A9B6AE}
.crumb-cur{
  color:var(--ink);font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw;
}

/* ---------- 文章主体 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;align-items:start;
  padding-top:20px;padding-bottom:88px;
}
.article-main{min-width:0}
.article-head{padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-title{
  font-size:clamp(28px,4vw,40px);
  line-height:1.28;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--ink-2);
}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(200,255,62,.22);color:var(--brand-800);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.meta-dot{color:#B7C2BA}
.meta-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-16);overflow:hidden;
  box-shadow:var(--sh-1);background:var(--surface-2);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article-body{
  margin-top:34px;
  font-size:17px;line-height:1.85;color:#23312A;
  max-width:760px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:clamp(22px,2.4vw,27px);line-height:1.35;font-weight:700;
  letter-spacing:-.02em;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:4px;background:var(--accent);
}
.article-body h3{
  margin:28px 0 12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);
}
.article-body h4{margin:22px 0 10px;font-size:18px;font-weight:600;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul{padding-left:20px}
.article-body ul li{position:relative;margin-bottom:8px;padding-left:2px}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.article-body ol{list-style:decimal;font-variant-numeric:tabular-nums}
.article-body ol li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--surface-2);border-left:4px solid var(--accent);
  border-radius:0 var(--r-12) var(--r-12) 0;color:#2B3B33;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-800)}
.article-body img{border-radius:var(--r-16);margin:24px auto;max-width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--ink-2);text-align:center;
}
.article-body table{
  width:100%;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-12);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;
}
.article-body thead th{background:var(--surface-2);font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:#FAFBF8}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;
  background:var(--surface-2);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:var(--brand-900);color:#DDF2E4;
  padding:18px 20px;border-radius:var(--r-12);
  overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0}

.empty-state{
  margin-top:34px;padding:52px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-16);
  box-shadow:var(--sh-1);
}
.empty-state svg{margin:0 auto 16px;display:block;color:var(--accent-deep)}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px}

/* ---------- 文章尾部 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px dashed var(--line);
}
.tag-row .tag-label{font-size:13px;font-weight:600;color:var(--ink-2)}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:#33443B;
  font-size:13px;font-weight:500;border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px)}

.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;
}
.pager-card{
  display:block;padding:18px 20px;border-radius:var(--r-16);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.pager-dir{
  display:block;font-size:12px;font-weight:600;color:var(--accent-deep);
  letter-spacing:.04em;margin-bottom:8px;
}
.pager-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:15px;font-weight:600;line-height:1.55;color:var(--ink);
}
.pager-card.next .pager-dir{text-align:right}
.pager-card.next .pager-title{text-align:right}

.back-row{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
  margin-top:34px;
}

/* ---------- 侧栏 ---------- */
.article-aside{
  position:sticky;top:96px;align-self:start;
  display:grid;gap:20px;
}
.aside-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-16);padding:20px;box-shadow:var(--sh-1);
}
.aside-title{
  font-size:14px;font-weight:700;color:var(--ink);
  letter-spacing:.02em;margin-bottom:14px;padding-left:10px;position:relative;
}
.aside-title::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:3px;
  border-radius:3px;background:var(--accent);
}
.aside-dark{
  background:var(--brand-800);border-color:rgba(200,255,62,.18);color:#E6F3EA;
  box-shadow:var(--sh-2);
}
.aside-dark .aside-title{color:#FFFFFF}
.aside-dark p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);margin-bottom:14px}
.aside-links{display:grid;gap:8px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--r-12);
  background:var(--brand-700);color:#EAF7EE;
  font-size:14px;transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.aside-links a:hover{background:var(--accent);color:var(--accent-ink);transform:translateX(2px)}
.aside-links svg{flex-shrink:0}

.mini-list{display:grid;gap:12px}
.mini-card{
  display:flex;gap:12px;align-items:center;
  padding:10px;border-radius:var(--r-12);
  border:1px solid transparent;background:var(--surface-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.mini-card:hover{background:var(--surface);border-color:rgba(31,122,61,.35);transform:translateY(-2px);box-shadow:var(--sh-1)}
.mini-card img{
  width:72px;height:72px;flex-shrink:0;border-radius:var(--r-12);object-fit:cover;
  background:var(--line);
}
.mini-body{min-width:0}
.mini-body strong{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);
}
.mini-body em{
  display:block;margin-top:6px;font-style:normal;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12px;color:var(--ink-2);
}

/* ---------- 底部 CTA ---------- */
.cta-section{padding-bottom:96px}
.cta-panel{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 40px;border-radius:var(--r-22);
  background:var(--brand-800);color:#EAF7EE;box-shadow:var(--sh-2);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-70px;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(200,255,62,.22);
}
.cta-panel::before{
  content:"";position:absolute;right:20px;bottom:-110px;
  width:220px;height:220px;border-radius:50%;
  border:1px dashed rgba(200,255,62,.16);
}
.cta-copy{max-width:620px;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:#FFFFFF;letter-spacing:-.02em}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.74)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);color:#DCE9E1;
  border-top:1px dashed rgba(200,255,62,.2);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:44px;
}
.footer-brand .brand-text{color:#FFFFFF}
.footer-brand .brand-text em{color:var(--accent)}
.footer-brand .brand-mark{background:rgba(200,255,62,.08);box-shadow:inset 0 0 0 1px rgba(200,255,62,.3)}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;
}
.footer-col strong{
  display:block;font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px}
.footer-col li a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.1);
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.to-top{
  width:40px;height:40px;flex-shrink:0;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--accent);color:var(--accent);
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:150;
  background:var(--brand-900);
  overflow-y:auto;
  padding:20px 0 40px;
}
.drawer[hidden]{display:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.drawer-top .brand-text{color:#FFFFFF}
.drawer-top .brand-text em{color:var(--accent)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-12);
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid rgba(200,255,62,.4);color:var(--accent);
}
.drawer-close:hover{background:var(--accent);color:var(--accent-ink)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.drawer-tile{
  display:flex;flex-direction:column;gap:8px;
  padding:14px;border-radius:var(--r-12);
  background:var(--brand-700);color:#EAF7EE;font-size:14px;font-weight:600;
}
.drawer-tile.is-active{box-shadow:inset 3px 0 0 var(--accent);color:var(--accent)}
.drawer-tile svg{color:var(--accent)}
.drawer-list{display:grid;gap:4px;margin-bottom:24px}
.drawer-list a{
  display:block;padding:12px 4px;font-size:15px;
  color:rgba(255,255,255,.82);border-bottom:1px dashed rgba(255,255,255,.12);
}
.drawer-list a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .article-layout{grid-template-columns:1fr;gap:32px;padding-bottom:72px}
  .article-aside{position:static;top:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .article-layout{padding-top:14px;padding-bottom:64px}
  .pager{grid-template-columns:1fr}
  .pager-card.next .pager-dir,.pager-card.next .pager-title{text-align:left}
  .cta-panel{padding:32px 24px;border-radius:var(--r-16)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .site-footer{padding-top:48px}
}
@media (max-width:520px){
  .nav-panel{padding:8px 12px;min-height:60px;border-radius:var(--r-16)}
  .brand-text{font-size:16px}
  .crumb-cur{max-width:42vw}
  .article-body{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .aside-card{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .btn:hover,.pager-card:hover,.mini-card:hover,.nav-item:hover{transform:none !important}
}

/* roulang page: category2 */
:root{
  --brand-900:#071812;
  --brand-800:#0C1F1A;
  --brand-700:#12362B;
  --accent:#C8FF3E;
  --accent-ink:#0C1F1A;
  --accent-deep:#1F7A3D;
  --hot:#FF7A1A;
  --ink:#16211C;
  --ink-2:#5A6A62;
  --line:#DCE3DA;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EA;
  --ok:#1B8E7A;
  --warn:#B7791F;
  --err:#C0392B;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(12,31,26,.06),0 8px 24px -12px rgba(12,31,26,.18);
  --sh-2:0 2px 4px rgba(12,31,26,.07),0 18px 40px -18px rgba(12,31,26,.26);
  --sh-3:0 24px 60px -24px rgba(12,31,26,.34);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-0.02em;line-height:1.2;font-weight:700}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media(min-width:1280px){.container{max-width:1280px}}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ===== 顶部卡片化导航 ===== */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 0;background:linear-gradient(180deg,rgba(244,246,242,.96),rgba(244,246,242,.72));backdrop-filter:blur(6px)}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  transition:box-shadow 200ms var(--ease),padding 200ms var(--ease);
}
.nav-panel.is-compact{padding:7px 14px;box-shadow:var(--sh-2);border-bottom-style:dashed}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:28px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:var(--brand-800);
  border:1px solid rgba(200,255,62,.35);
}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-800);letter-spacing:-0.02em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--accent-deep)}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--r-md);
  background:var(--bg);color:var(--ink);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:background 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease);
}
.nav-item:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px)}
.nav-item.is-active{background:var(--brand-800);color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}
.nav-item:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg);align-items:center;justify-content:center}
.nav-toggle svg{stroke:var(--brand-800)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--sh-1)}
.btn-primary:hover{filter:brightness(.95);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.9)}
.btn-ghost{background:transparent;color:var(--brand-800);border:1.5px solid var(--brand-800)}
.btn-ghost:hover{background:rgba(12,31,26,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:var(--brand-800);color:var(--accent)}
.btn-dark:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-dark:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.link-more{display:inline-flex;align-items:center;gap:4px;color:var(--accent-deep);font-weight:600;font-size:14px}
.link-more svg{transition:transform 180ms var(--ease)}
.link-more:hover{text-decoration:underline;text-underline-offset:3px}
.link-more:hover svg{transform:translateX(3px)}
.link-more:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;border-radius:6px}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-deep);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent)}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  background:rgba(200,255,62,.24);color:var(--brand-800);
  font-size:12px;font-weight:700;
}
.divider-dashed{height:1px;border-top:1px dashed var(--line);margin:0}

/* ===== 深色页头 ===== */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-800);color:#fff;
  padding:72px 0 84px;
  margin-top:24px;
  border-radius:0 0 var(--r-xl) var(--r-xl);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,255,62,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(200,255,62,.06) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--accent),rgba(200,255,62,0));
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.breadcrumb span.sep{opacity:.5}
.breadcrumb strong{color:#fff;font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:end}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;color:#fff;margin-bottom:20px;
}
.page-hero h1 mark{background:none;color:var(--accent);box-shadow:inset 0 -8px 0 rgba(200,255,62,.16)}
.hero-lead{color:rgba(255,255,255,.78);font-size:16px;max-width:720px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.scoreboard{
  background:var(--brand-700);
  border:1px solid rgba(200,255,62,.18);
  border-radius:var(--r-xl);
  padding:22px 24px;
  box-shadow:var(--sh-3);
}
.scoreboard h2{font-size:15px;color:rgba(255,255,255,.7);font-weight:600;letter-spacing:0;margin-bottom:14px}
.scoreboard ul li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:10px 0;border-bottom:1px dashed rgba(200,255,62,.2);
}
.scoreboard ul li:last-child{border-bottom:0;padding-bottom:0}
.scoreboard .k{font-size:14px;color:rgba(255,255,255,.8)}
.scoreboard .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;color:var(--accent)}

/* ===== 时间线 ===== */
.timeline{position:relative;padding-left:56px}
.timeline::before{
  content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent),rgba(31,122,61,.25));
}
.tl-item{position:relative;margin-bottom:28px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-45px;top:26px;width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:3px solid var(--accent);box-shadow:0 0 0 4px rgba(200,255,62,.22);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.tl-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.tl-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:700;color:var(--hot);line-height:1;
}
.tl-card h3{font-size:20px;font-weight:600}
.tl-card p{color:var(--ink-2);font-size:15px;line-height:1.75}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  background:var(--surface-2);color:var(--ink);font-size:12px;font-weight:600;
  border:1px solid var(--line);
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.tag:hover{background:var(--brand-800);color:var(--accent);border-color:var(--brand-800)}

/* ===== 对照卡 ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)
}
.compare-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent)}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.compare-card h3{font-size:20px;margin:10px 0 12px}
.compare-card ul li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:15px;color:var(--ink-2);line-height:1.7;
  border-bottom:1px dashed var(--line);
}
.compare-card ul li:last-child{border-bottom:0;padding-bottom:0}
.compare-card ul li svg{flex:0 0 auto;margin-top:5px}
.compare-note{margin-top:16px;padding:12px 14px;border-radius:var(--r-md);background:var(--surface-2);font-size:14px;color:var(--ink-2)}
.compare-card.is-dark{background:var(--brand-800);border-color:var(--brand-700);color:#fff}
.compare-card.is-dark h3{color:#fff}
.compare-card.is-dark ul li{color:rgba(255,255,255,.76);border-color:rgba(200,255,62,.2)}
.compare-card.is-dark .compare-note{background:var(--brand-700);color:rgba(255,255,255,.78)}

/* ===== 清单区 ===== */
.checklist-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);
}
.checklist-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 32px;margin-top:22px}
.check-item{display:flex;gap:14px;align-items:flex-start}
.check-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--r-md);
  display:grid;place-items:center;background:rgba(200,255,62,.18);
}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ===== 图文交替 ===== */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-row + .media-row{margin-top:56px}
.media-row figure{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.media-row figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-row h3{font-size:24px;margin-bottom:14px}
.media-row p{color:var(--ink-2);font-size:15px;margin-bottom:14px}

/* ===== 入口卡 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease)
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.entry-card h3{font-size:19px}
.entry-card p{font-size:14px;color:var(--ink-2);flex:1 1 auto}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease)
}
.faq-item:hover{border-color:rgba(31,122,61,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:18px 20px;font-weight:600;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .bar{flex:0 0 auto;width:3px;height:20px;border-radius:2px;background:var(--accent)}
.faq-item summary .q{flex:1 1 auto}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:grid;place-items:center;font-family:var(--mono);font-size:16px;color:var(--ink-2);
  transition:transform 200ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease)
}
.faq-item[open] summary .plus{color:var(--accent-deep);border-color:rgba(31,122,61,.4);transform:rotate(45deg)}
.faq-item summary:focus-visible{outline:2px solid var(--accent-deep);outline-offset:-2px}
.faq-answer{padding:16px 20px;background:var(--surface-2);font-size:15px;line-height:1.8;color:var(--ink-2);border-top:1px dashed var(--line)}

/* ===== CTA 面板 ===== */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--brand-800);color:#fff;border-radius:var(--r-xl);
  padding:52px;box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(200,255,62,.22);
}
.cta-panel h2{font-size:clamp(24px,3vw,32px);color:#fff;margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.76);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:#fff;margin-top:88px;padding:64px 0 24px;border-top:1px dashed rgba(200,255,62,.2)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;margin-top:16px;max-width:340px}
.footer-col strong{display:block;font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color 180ms var(--ease),transform 180ms var(--ease);display:inline-block}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col ul li a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px dashed rgba(200,255,62,.16);
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(200,255,62,.5);
  display:grid;place-items:center;color:var(--accent);
  transition:background 180ms var(--ease),transform 180ms var(--ease),color 180ms var(--ease)
}
.to-top:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}
.to-top:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ===== 抽屉 ===== */
.drawer{position:fixed;inset:0;background:var(--brand-900);z-index:100;padding:24px;display:none;overflow-y:auto}
.drawer.is-open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:42px;height:42px;border-radius:var(--r-md);border:1px solid rgba(200,255,62,.35);display:grid;place-items:center;color:var(--accent)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.drawer-grid a{
  background:var(--brand-700);border:1px solid rgba(200,255,62,.18);border-radius:var(--r-md);
  padding:14px;font-size:14px;font-weight:600;color:#fff;
}
.drawer-grid a.is-active{background:var(--accent);color:var(--accent-ink)}
.drawer-list a{display:block;padding:14px 0;border-bottom:1px dashed rgba(200,255,62,.16);color:rgba(255,255,255,.82);font-size:15px}
.drawer-cta{margin-top:28px}
.drawer-cta .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ===== 响应式 ===== */
@media(max-width:1279px){
  .cta-panel{padding:44px}
}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .media-row{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
}
@media(max-width:767px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-hero{padding:52px 0 60px;margin-top:16px}
  .compare-grid{grid-template-columns:1fr}
  .checklist-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .checklist-panel{padding:24px}
  .timeline{padding-left:40px}
  .timeline::before{left:11px}
  .tl-item::before{left:-35px;width:14px;height:14px}
  .cta-panel{padding:30px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .nav-actions .btn-primary{height:40px;padding:0 16px;font-size:14px}
}
@media(max-width:519px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .scoreboard{padding:18px}
  .scoreboard ul li{flex-direction:column;align-items:flex-start;gap:4px}
  .drawer-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-900:#071812;
  --brand-800:#0C1F1A;
  --brand-700:#12362B;
  --accent:#C8FF3E;
  --accent-ink:#0C1F1A;
  --accent-deep:#1F7A3D;
  --hot:#FF7A1A;
  --ink:#16211C;
  --ink-2:#5A6A62;
  --line:#DCE3DA;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EA;
  --ok:#1B8E7A;
  --warn:#B7791F;
  --err:#C0392B;

  --r-s:10px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:22px;

  --sh-1:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.18);
  --sh-2:0 2px 4px rgba(12,31,26,.07), 0 18px 40px -18px rgba(12,31,26,.26);
  --sh-3:0 24px 60px -24px rgba(12,31,26,.34);

  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace;

  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;border-radius:6px}

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

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(.96)}
.btn-primary:active{transform:translateY(0);filter:brightness(.92)}
.btn-ghost{background:transparent;color:var(--brand-800);border:1.5px solid var(--brand-800)}
.btn-ghost:hover{background:rgba(12,31,26,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:var(--brand-800);color:var(--accent)}
.btn-dark:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-dark:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 26px;font-size:16px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-deep);font-size:14px;font-weight:600;
  transition:color var(--t);
}
.link-more svg{transition:transform var(--t)}
.link-more:hover{text-decoration:underline}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(200,255,62,.16);
  color:var(--brand-800);
}
.badge-dark{background:rgba(200,255,62,.14);color:var(--accent)}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:80;padding:12px 0 0}
.nav-panel{
  position:sticky;top:12px;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),padding var(--t);
}
.site-header.is-compact .nav-panel{box-shadow:var(--sh-2);padding:8px 14px}
.brand{display:flex;align-items:center;gap:10px;min-height:28px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;
  border-radius:var(--r-m);
  background:var(--brand-800);
  box-shadow:inset 0 0 0 1px rgba(200,255,62,.28);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--brand-800);line-height:1}
.brand-text em{font-style:normal;color:var(--accent-deep);margin-left:4px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:4px;flex:1 1 auto;min-width:0}
.nav-item{
  padding:8px 12px;border-radius:var(--r-m);
  font-size:13px;font-weight:600;color:var(--ink);
  background:var(--bg);
  transition:background var(--t),color var(--t),transform var(--t);
  white-space:nowrap;
}
.nav-item:hover{background:var(--brand-800);color:var(--accent);transform:translateY(-1px)}
.nav-item:active{transform:translateY(0)}
.nav-item.is-active{
  background:var(--brand-800);color:var(--accent);
  box-shadow:inset 3px 0 0 var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-m);
  align-items:center;justify-content:center;
  background:var(--brand-800);color:var(--accent);
}
.drawer{
  position:fixed;inset:0;z-index:120;
  display:flex;flex-direction:column;
  padding:20px 20px 32px;
  background:var(--brand-900);
  color:#fff;
  overflow-y:auto;
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:16px;font-weight:700;color:#fff}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-m);
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:var(--accent);
}
.drawer-close:hover{background:rgba(255,255,255,.16)}
.drawer-label{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.5);margin:8px 0 12px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}
.drawer-card{
  padding:14px;border-radius:var(--r-l);
  background:var(--brand-700);
  color:#fff;font-size:13px;font-weight:600;line-height:1.5;
  min-height:74px;display:flex;flex-direction:column;gap:8px;
  transition:background var(--t),color var(--t);
}
.drawer-card svg{color:var(--accent)}
.drawer-card:hover{background:rgba(200,255,62,.14)}
.drawer-card.is-active{box-shadow:inset 3px 0 0 var(--accent);background:rgba(200,255,62,.14)}
.drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:26px}
.drawer-list a{padding:12px 4px;font-size:15px;color:rgba(255,255,255,.82);border-bottom:1px dashed rgba(255,255,255,.12)}
.drawer-list a:hover{color:var(--accent)}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  padding:18px 0 0;
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.breadcrumb a{color:var(--ink-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--accent-deep)}
.breadcrumb span.sep{opacity:.6}
.breadcrumb strong{color:var(--ink);font-weight:600}

/* ---------- 页头两栏 ---------- */
.page-head{padding:28px 0 0}
.head-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:32px;align-items:start;
}
.head-main h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  margin-bottom:18px;
}
.head-main h1 .hl{
  display:inline-block;
  padding-bottom:4px;
  box-shadow:inset 0 -8px 0 rgba(200,255,62,.55);
}
.head-lead{
  font-size:17px;color:var(--ink-2);
  max-width:680px;margin-bottom:22px;
  line-height:1.85;
}
.head-cta{display:flex;flex-wrap:wrap;gap:12px}
.mini-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
.mini-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.mini-item svg{color:var(--accent-deep);flex:0 0 auto}

.summary-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  padding:22px;
  position:relative;
  overflow:hidden;
}
.summary-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent);
}
.summary-card h2{font-size:17px;font-weight:700;margin-bottom:6px}
.summary-sub{font-size:13px;color:var(--ink-2);margin-bottom:16px}
.summary-list{display:flex;flex-direction:column;gap:0}
.summary-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--ink);line-height:1.65;
}
.summary-list li:last-child{border-bottom:0}
.summary-list svg{flex:0 0 auto;margin-top:3px;color:var(--accent-deep)}
.summary-foot{
  margin-top:14px;padding:12px 14px;border-radius:var(--r-m);
  background:var(--surface-2);font-size:13px;color:var(--ink-2);
}

/* ---------- 数据小卡 ---------- */
.stat-section{padding:48px 0 0}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:22px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  position:relative;overflow:hidden;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.stat-card::after{
  content:"";position:absolute;right:-28px;top:-28px;width:76px;height:76px;
  background:rgba(200,255,62,.18);
  clip-path:polygon(100% 0,100% 100%,0 0);
}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:700;line-height:1;
  color:var(--brand-800);
}
.stat-num em{font-style:normal;color:var(--accent-deep);font-size:20px;margin-left:2px}
.stat-name{font-size:15px;font-weight:600}
.stat-desc{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ---------- 左标签 + 右说明卡 ---------- */
.issues{padding:72px 0 0}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:15px}

.tab-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:32px;align-items:start;
}
.tab-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:6px}
.tab-side-label{
  font-size:12px;letter-spacing:.08em;
  color:var(--ink-2);margin-bottom:6px;
}
.tab-link{
  display:block;padding:11px 14px;
  border-radius:var(--r-m);
  font-size:14px;font-weight:600;color:var(--ink);
  background:var(--surface-2);
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.tab-link:hover{background:var(--surface);box-shadow:var(--sh-1);transform:translateX(2px)}
.tab-link.is-current{
  background:var(--brand-800);color:var(--accent);
  border-left-color:var(--accent);
}
.doc-cards{display:flex;flex-direction:column;gap:20px}
.doc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:24px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.doc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.doc-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.doc-index{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--hot);
}
.doc-card h3{font-size:20px;font-weight:600}
.doc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:4px}
.doc-cell{
  background:var(--surface-2);
  border-radius:var(--r-m);
  padding:14px 16px;
}
.doc-cell strong{display:block;font-size:13px;color:var(--brand-800);margin-bottom:6px}
.doc-cell p{font-size:14px;color:var(--ink-2);line-height:1.75}
.doc-cell.is-action{background:rgba(200,255,62,.18)}
.doc-cell.is-action strong{color:var(--accent-deep)}

/* ---------- FAQ ---------- */
.faq{padding:80px 0 0}
.faq-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:36px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.faq-intro p{color:var(--ink-2);font-size:15px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(31,122,61,.3)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;
  font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:3px;height:18px;border-radius:2px;
  background:var(--accent);flex:0 0 auto;
}
.faq-item summary::after{
  content:"+";margin-left:auto;font-family:var(--mono);
  font-size:20px;line-height:1;color:var(--accent-deep);
  transition:transform var(--t);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{background:rgba(237,241,234,.6)}
.faq-body{
  padding:16px 20px 20px 35px;
  background:var(--surface-2);
  font-size:15px;line-height:1.8;color:var(--ink);
}

/* ---------- 相关入口卡 ---------- */
.entries{padding:80px 0 0}
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,122,61,.35)}
.entry-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.entry-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:18px;font-weight:600}
.entry-body p{font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 收口横幅 ---------- */
.banner-wrap{padding:80px 0 88px}
.banner-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--brand-800);
  color:#fff;
  box-shadow:var(--sh-3);
  isolation:isolate;
}
.banner-card::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.24;z-index:-1;
}
.banner-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,31,26,.94) 0%,rgba(12,31,26,.72) 52%,rgba(12,31,26,.42) 100%);
  z-index:-1;
}
.banner-inner{
  padding:48px 44px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
}
.banner-inner h2{font-size:clamp(24px,2.6vw,32px);color:#fff;margin-bottom:14px}
.banner-inner p{font-size:15px;color:rgba(255,255,255,.76);line-height:1.85;max-width:560px}
.banner-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.banner-note{font-size:13px;color:rgba(255,255,255,.6)}
.banner-band{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px dashed rgba(200,255,62,.24);
}
.banner-band div{
  flex:1 1 160px;
  padding:18px 24px;
  font-size:13px;color:rgba(255,255,255,.7);
  border-right:1px dashed rgba(255,255,255,.1);
}
.banner-band div:last-child{border-right:0}
.banner-band b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:20px;color:var(--accent);margin-bottom:4px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:#fff;
  margin-top:24px;
  border-top:1px dashed rgba(200,255,62,.2);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:var(--accent)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:320px}
.footer-col strong{
  display:block;font-size:14px;font-weight:600;
  color:#fff;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--t),transform var(--t);
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;line-height:1.8}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px dashed rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(200,255,62,.5);color:var(--accent);
  transition:background var(--t),color var(--t),transform var(--t);
}
.to-top:hover{background:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .head-grid{grid-template-columns:1fr;gap:24px}
  .tab-layout{grid-template-columns:1fr;gap:20px}
  .tab-side{
    position:static;flex-direction:row;flex-wrap:wrap;gap:8px;
    overflow-x:auto;padding-bottom:4px;
  }
  .tab-side-label{display:none}
  .doc-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:20px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .banner-inner{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 20px}
}
@media (max-width:479px){
  body{font-size:15px}
  .head-main h1{font-size:30px}
  .head-cta .btn{width:100%}
  .stat-row{gap:12px}
  .banner-inner{padding:28px 20px}
  .banner-band div{padding:14px 18px}
  .doc-card,.summary-card{padding:18px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .nav-item:hover,.stat-card:hover,.doc-card:hover,.entry-card:hover,.to-top:hover{transform:none}
}