/* roulang page: index */
:root{
  --c-primary:#4C2A85;
  --c-primary-deep:#2A1548;
  --c-primary-soft:rgba(76,42,133,.08);
  --c-accent:#C8F04B;
  --c-accent-2:#FF7A59;
  --c-bg:#F6F3EC;
  --c-bg-2:#FBF9F4;
  --c-surface:#FFFFFF;
  --c-line:#E3DCCE;
  --c-ink:#171226;
  --c-ink-2:#4A4260;
  --c-ink-3:#8A82A0;
  --on-dark:#EFEAFA;
  --on-dark-2:#CFC8E0;
  --r-card:14px;
  --r-img:12px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(23,18,38,.06),0 8px 24px rgba(23,18,38,.06);
  --shadow-2:0 10px 30px rgba(76,42,133,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;stroke-width:1.5}
.btn-primary{background:var(--c-accent);color:var(--c-primary-deep);box-shadow:0 6px 18px rgba(200,240,75,.28)}
.btn-primary:hover{background:#B9E23C;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:#3D216C;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{border-color:var(--c-line);background:var(--c-surface);color:var(--c-ink-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--c-primary);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(76,42,133,.35);
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--on-dark);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .25s ease;
}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--on-dark-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.header-actions{display:flex;align-items:center;gap:12px}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--c-line);
  box-shadow:var(--shadow-1);
}
.site-header.is-scrolled .brand-text{color:var(--c-ink)}
.site-header.is-scrolled .nav-link{color:var(--c-ink-2)}
.site-header.is-scrolled .nav-link:hover{color:var(--c-primary)}
.site-header.is-scrolled .nav-link.active{color:var(--c-primary)}
.site-header.is-scrolled .btn-ghost{background:transparent}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--on-dark);
  border:1px solid rgba(255,255,255,.24);
}
.site-header.is-scrolled .nav-toggle{color:var(--c-ink);border-color:var(--c-line)}
.nav-toggle svg{width:22px;height:22px;stroke-width:1.5}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:70;background:var(--c-primary-deep);
  padding:24px 20px 0;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center}
.drawer-list{padding:12px 0 0;flex:1;overflow-y:auto}
.drawer-list a{
  display:flex;align-items:center;gap:14px;min-height:52px;
  color:var(--on-dark);font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-list a span.idx{color:var(--c-accent);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.drawer-list a.active{color:#fff}
.drawer-cta{padding:16px 0 28px;border-top:1px solid rgba(255,255,255,.12)}
.drawer-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:72vh;display:flex;align-items:center;
  padding:150px 0 0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(42,21,72,.94) 0%,rgba(42,21,72,.72) 42%,rgba(42,21,72,.3) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;display:grid;gap:32px;padding-bottom:56px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:600;color:var(--on-dark);width:fit-content;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent-2)}
.hero h1{
  font-size:clamp(30px,5vw,52px);line-height:1.18;font-weight:800;
  letter-spacing:-.01em;max-width:16em;
}
.hero-sub{font-size:clamp(16px,2vw,19px);line-height:1.85;color:var(--on-dark-2);max-width:34em;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-outline{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.hero-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:20px;padding-top:32px;border-top:1px solid rgba(255,255,255,.15);
}
.hero-stat .v{font-size:28px;font-weight:800;line-height:1.2;color:#fff}
.hero-stat .v em{font-style:normal;color:var(--c-accent);font-size:18px;margin-left:2px}
.hero-stat .k{font-size:13px;color:var(--on-dark-2);margin-top:4px}
.hero-stat + .hero-stat{border-left:1px solid rgba(255,255,255,.15);padding-left:20px}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,3vw,34px);line-height:1.3;font-weight:700;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--c-accent);
}
.sec-title .idx{color:var(--c-accent);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-right:10px;vertical-align:middle}
.sec-desc{font-size:15px;line-height:1.8;color:var(--c-ink-2);margin:10px 0 0;max-width:56em}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.sec-link svg{width:16px;height:16px;stroke-width:1.8;transition:transform .2s ease}
.sec-link:hover svg{transform:translateX(3px)}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:40px;z-index:3;pointer-events:none;
}
.rail-wrap::before{left:-1px;background:linear-gradient(90deg,var(--c-bg),rgba(246,243,236,0))}
.rail-wrap::after{right:-1px;background:linear-gradient(270deg,var(--c-bg),rgba(246,243,236,0))}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail-track::-webkit-scrollbar{display:none}
.poster{
  flex:0 0 220px;scroll-snap-align:start;border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.poster:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.poster-cover{
  position:relative;aspect-ratio:2/3;background-size:cover;background-position:center;
  transition:transform .35s ease;
}
.poster-cover-inner{position:relative;overflow:hidden;aspect-ratio:2/3}
.poster:hover .poster-cover{transform:scale(1.04)}
.poster-cover::after{
  content:"";position:absolute;inset:auto 0 0 0;height:60%;
  background:linear-gradient(180deg,rgba(23,18,38,0),rgba(23,18,38,.82));
}
.poster-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:3px 9px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.92);border:1px solid var(--c-accent-2);
  color:#B84A2C;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.poster-meta{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;color:#fff;
}
.poster-meta strong{display:block;font-size:15px;font-weight:700;line-height:1.45}
.poster-meta span{font-size:12px;color:#CFC8E0;font-variant-numeric:tabular-nums}
.poster-body{padding:14px 14px 16px}
.poster-body p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.rail-nav{display:flex;gap:8px}
.rail-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.rail-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-1px)}
.rail-btn svg{width:18px;height:18px;stroke-width:1.6}

/* ---------- 数据卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(76,42,133,.25)}
.stat-ico{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.stat-ico svg{width:22px;height:22px;stroke-width:1.6}
.stat-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.stat-card p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}
.stat-num{font-size:26px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px}

/* ---------- 最新动态 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  padding:7px 16px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);font-size:13px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:rgba(76,42,133,.22)}
.news-thumb{
  position:relative;aspect-ratio:16/9;background-size:cover;background-position:center;
  background-color:#EDE7DC;
}
.news-thumb .badge{
  position:absolute;left:12px;top:12px;
  padding:3px 10px;border-radius:var(--r-badge);
  background:rgba(76,42,133,.12);color:var(--c-primary);border:1px solid rgba(76,42,133,.18);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.news-thumb .badge-state{
  position:absolute;right:12px;top:12px;
  padding:3px 10px;border-radius:var(--r-badge);background:rgba(255,255,255,.94);
  border:1px solid var(--c-accent-2);color:#B84A2C;font-size:12px;font-weight:600;
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px}
.news-card:hover h3{color:var(--c-primary)}
.news-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin:0 0 16px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;
}
.news-foot .go{display:inline-flex;align-items:center;gap:5px;color:var(--c-primary);font-weight:600}
.news-foot .go svg{width:15px;height:15px;stroke-width:1.8}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke-width:1.3;color:var(--c-ink-3)}
.empty-state p{margin:0;font-size:15px;color:var(--c-ink-2)}

/* ---------- 分区（大卡 + 行式条目） ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:start}
.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-cover{aspect-ratio:16/9;background-size:cover;background-position:center;background-color:#EDE7DC}
.feature-body{padding:22px 24px 24px}
.feature-body h3{font-size:21px;font-weight:700;line-height:1.45;margin-bottom:10px}
.feature-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}
.row-list{display:flex;flex-direction:column;gap:14px}
.row-item{
  display:flex;gap:16px;align-items:center;padding:14px;border-radius:var(--r-card);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.row-item:hover{background:var(--c-bg-2);border-color:rgba(76,42,133,.22);transform:translateX(3px)}
.row-thumb{
  width:64px;height:64px;flex:0 0 64px;border-radius:10px;
  background-size:cover;background-position:center;background-color:#EDE7DC;
}
.row-body{min-width:0}
.row-body strong{display:block;font-size:15px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-body span{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.row-item .arrow{margin-left:auto;color:var(--c-ink-3);flex:0 0 auto}
.row-item .arrow svg{width:18px;height:18px;stroke-width:1.6}

/* ---------- 步骤时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);opacity:.9;
}
.step .no{font-size:14px;font-weight:800;color:var(--c-accent-2);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.step h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.step p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}

/* ---------- 深色信任区块 ---------- */
.dark-band{
  position:relative;overflow:hidden;color:var(--on-dark);
  background:var(--c-primary-deep);
  border-radius:0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.5) 0 1px,transparent 1px 14px);
}
.dark-band .container{position:relative;z-index:2}
.dark-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.dark-card{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:24px 22px;background:rgba(255,255,255,.04);
}
.dark-card h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:10px}
.dark-card p{font-size:14px;line-height:1.8;color:var(--on-dark-2);margin:0}
.dark-card .mk{font-size:24px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:22px 4px 22px 0;text-align:left;position:relative;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .q-text{position:relative;padding-left:0;transition:padding-left .2s ease}
.faq-item.is-open .faq-q .q-text{padding-left:14px}
.faq-item.is-open .faq-q .q-text::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;
  border-radius:2px;background:var(--c-accent);
}
.faq-q svg{width:20px;height:20px;flex:0 0 20px;stroke-width:1.8;color:var(--c-ink-3);transition:transform .25s ease,color .25s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{font-size:15px;line-height:1.9;color:var(--c-ink-2);margin:0;padding:0 44px 22px 0}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary-deep);color:var(--on-dark);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:18px 18px;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;padding:64px 0;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.4;color:#fff;max-width:20em}
.cta-inner p{font-size:15px;line-height:1.8;color:var(--on-dark-2);margin:12px 0 0;max-width:32em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:var(--on-dark-2);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;white-space:normal}
.footer-desc{font-size:14px;line-height:1.9;color:var(--on-dark-2);margin:0 0 18px;max-width:26em}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.2);
  font-size:12px;color:var(--on-dark-2);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  font-size:14px;line-height:2.2;color:var(--on-dark-2);transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--c-accent);padding-left:4px}
.footer-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px}
.footer-form input{
  width:100%;height:44px;border-radius:10px;padding:0 14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:var(--c-ink-3)}
.footer-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(200,240,75,.18)}
.footer-form input.is-error{border-color:var(--c-accent-2)}
.form-hint{font-size:13px;color:var(--c-accent-2);margin:8px 0 0;display:none}
.form-hint.is-show{display:block}
.footer-form .btn{margin-top:14px;width:100%}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);
}
.footer-bottom .note{color:var(--on-dark-2)}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-links,.header-actions{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:60vh;padding-top:120px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dark-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-form{grid-column:1/-1;order:-1}
}
@media(max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .hero{padding-top:112px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}
  .hero-stat + .hero-stat{border-left:0;padding-left:0}
  .hero-stat:nth-child(even){border-left:1px solid rgba(255,255,255,.15);padding-left:14px}
  .grid-4{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-inner{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq-a p{padding-right:16px}
}
@media(max-width:519px){
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .poster{flex:0 0 190px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-primary:#4C2A85;
  --c-primary-deep:#2A1548;
  --c-accent:#C8F04B;
  --c-accent-2:#FF7A59;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DCCE;
  --c-ink:#171226;
  --c-ink-2:#4A4260;
  --c-ink-3:#8A82A0;
  --c-on-dark:#EFEAFA;
  --c-on-dark-2:#CFC8E0;
  --r-card:14px;
  --r-img:12px;
  --r-badge:6px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(23,18,38,.06),0 8px 24px rgba(23,18,38,.06);
  --shadow-2:0 10px 30px rgba(76,42,133,.16);
  --sect-y:48px;
  --fs-body:16.5px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:var(--fs-body);
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--c-primary);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;letter-spacing:-.02em;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-accent);transition:width .25s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--c-ink);font-weight:700}
.nav-link.active::after{width:100%}
.nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease;
}
.menu-toggle:hover{border-color:var(--c-primary);box-shadow:var(--shadow-1)}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.mobile-drawer{
  display:none;position:absolute;left:0;right:0;top:72px;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  box-shadow:var(--shadow-1);padding:12px 0 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;gap:12px;line-height:52px;height:52px;
  padding:0 24px;font-size:16px;font-weight:500;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.active{color:var(--c-ink);font-weight:700}
.mobile-drawer a i{
  font-style:normal;font-size:13px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.mobile-drawer .drawer-cta{padding:16px 24px 0;border-bottom:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:var(--c-accent);color:#2A1548;font-weight:700}
.btn-primary:hover{background:#BCE33F;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-line);background:var(--c-surface);color:var(--c-primary)}
.btn-outline:hover{background:rgba(76,42,133,.08);border-color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-icon{padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- section base ---------- */
.section{padding:var(--sect-y) 0}
@media(min-width:768px){:root{--sect-y:72px}}
@media(min-width:1024px){:root{--sect-y:92px}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.h2{
  position:relative;padding-left:14px;
  font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.section-sub{color:var(--c-ink-2);font-size:15px;max-width:640px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(76,42,133,.1);padding:6px 12px;border-radius:var(--r-badge);
  letter-spacing:.02em;
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(42,21,72,.94) 0%,rgba(76,42,133,.86) 46%,rgba(42,21,72,.72) 100%),
             url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:var(--c-on-dark);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;gap:32px;padding:56px 0 60px;
  grid-template-columns:1fr;
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:56px;padding:80px 0 88px;align-items:center}
}
.page-hero h1{
  font-size:clamp(30px,5vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  color:#FFFFFF;margin:16px 0 18px;
}
.page-hero .hero-lead{font-size:16.5px;line-height:1.9;color:var(--c-on-dark-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-media{
  border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 18px 50px rgba(0,0,0,.28);
  aspect-ratio:3/2;background:rgba(255,255,255,.06);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-facts{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.16);
}
@media(min-width:768px){.hero-facts{grid-template-columns:repeat(4,1fr)}}
.hero-facts div{padding:18px 0 22px;border-right:1px solid rgba(255,255,255,.16)}
.hero-facts div:last-child{border-right:none}
@media(max-width:767px){.hero-facts div:nth-child(2n){border-right:none}}
.hero-facts strong{display:block;font-size:26px;font-weight:800;color:#FFFFFF;line-height:1.2}
.hero-facts span{font-size:13px;color:var(--c-on-dark-2)}

/* ---------- filter bar ---------- */
.filter-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(246,243,236,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.filter-inner{display:flex;align-items:center;gap:12px;height:64px;overflow-x:auto}
.chip{
  flex-shrink:0;height:40px;display:inline-flex;align-items:center;
  padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:all .18s ease;cursor:pointer;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.sort-fake{
  margin-left:auto;flex-shrink:0;height:40px;display:inline-flex;align-items:center;gap:8px;
  padding:0 14px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:14px;color:var(--c-ink-2);
}

/* ---------- split layout ---------- */
.split{display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:1024px){.split{grid-template-columns:240px 1fr;gap:36px;align-items:start}}
.side-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
@media(min-width:1024px){.side-panel{position:sticky;top:156px}}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--c-ink-2);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.side-list a:hover{background:rgba(76,42,133,.07);color:var(--c-primary);padding-left:16px}
.side-list a.active{background:rgba(76,42,133,.1);color:var(--c-primary);font-weight:700}
.side-list a em{font-style:normal;font-size:12.5px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.side-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);font-size:13.5px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- cards ---------- */
.card-grid-2{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.card-grid-2{grid-template-columns:repeat(2,1fr)}}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(76,42,133,.28)}
.post-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE8DD}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-media .badge{position:absolute;left:12px;top:12px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(76,42,133,.12);color:var(--c-primary);
}
.badge-warm{background:#fff;border:1px solid var(--c-accent-2);color:#B84A2C}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:22px;line-height:1.45;font-weight:600;letter-spacing:-.005em}
.post-card:hover .post-title{color:var(--c-primary)}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.post-foot{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);
}
.dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent-2);flex-shrink:0}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 20px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:rgba(76,42,133,.1);
  color:var(--c-primary);font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- dark band ---------- */
.band{
  position:relative;overflow:hidden;background:var(--c-primary-deep);color:var(--c-on-dark);
  border-radius:20px;padding:36px 26px;
}
.band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 18px);
}
.band-inner{position:relative;z-index:2}
.band h2{font-size:clamp(20px,2.6vw,28px);line-height:1.35;font-weight:700;color:#fff;margin-bottom:12px}
.band p{color:var(--c-on-dark-2);font-size:15px;max-width:720px}
.metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
@media(min-width:768px){.metric-row{grid-template-columns:repeat(4,1fr)}}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:18px 16px;
}
.metric strong{display:block;font-size:26px;font-weight:800;color:var(--c-accent);line-height:1.2}
.metric span{font-size:13px;color:var(--c-on-dark-2)}

/* ---------- checklist ---------- */
.check-list{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:768px){.check-list{grid-template-columns:repeat(2,1fr)}}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
}
.check-icon{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;margin-top:5px;
  background:rgba(200,240,75,.35);color:#3C6B0A;
  display:flex;align-items:center;justify-content:center;
}
.check-icon svg{width:14px;height:14px}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line)}
.faq details{border-bottom:1px solid var(--c-line)}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 44px 22px 16px;font-size:16px;font-weight:600;
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-accent);border-radius:2px;transition:height .25s ease;
}
.faq summary::after{
  content:"";position:absolute;right:14px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-ink-2);border-bottom:2px solid var(--c-ink-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq summary:hover{color:var(--c-primary)}
.faq details[open] summary::before{height:64%}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .answer{padding:0 44px 24px 16px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary-deep);color:var(--c-on-dark);
  padding:44px 26px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:18px 18px;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:22px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr auto;gap:40px}}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);line-height:1.35;font-weight:700;color:#fff}
.cta-inner p{color:var(--c-on-dark-2);font-size:15px;margin-top:10px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 12px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);font-variant-numeric:tabular-nums;
  transition:all .18s ease;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pager .pager-note{margin-left:auto;border:none;background:transparent;color:var(--c-ink-3);font-weight:400;font-size:13.5px}

.back-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:var(--c-on-dark-2);margin-top:var(--sect-y)}
.footer-grid{
  display:grid;gap:32px;padding:56px 0 34px;grid-template-columns:1fr;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent)}
.footer-brand .brand-text{color:#fff;font-size:16.5px}
.footer-desc{font-size:14px;line-height:1.9;color:var(--c-on-dark-2);max-width:340px}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12.5px;padding:5px 11px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:var(--c-on-dark-2);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;line-height:1.6;color:var(--c-on-dark-2);transition:color .18s ease}
.footer-links a:hover{color:var(--c-accent)}
.footer-form label{display:block;font-size:14px;font-weight:600;color:#EFEAFA;margin-bottom:8px}
.footer-form input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:#8A82A0}
.footer-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(200,240,75,.18)}
.footer-form input.is-error{border-color:var(--c-accent-2)}
.form-hint{font-size:13px;line-height:1.7;color:#8A82A0;margin:8px 0 14px}
.form-hint.error{color:var(--c-accent-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:var(--c-ink-3);
}
@media(max-width:767px){
  .footer-grid{padding-top:36px}
  .footer-form{order:-1}
}

/* animation */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#4C2A85;
  --c-primary-deep:#2A1548;
  --c-accent:#C8F04B;
  --c-accent-2:#FF7A59;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DCCE;
  --c-ink:#171226;
  --c-ink-2:#4A4260;
  --c-ink-3:#8A82A0;
  --c-purple-text:#EFEAFA;
  --c-purple-mute:#CFC8E0;
  --radius-card:14px;
  --radius-img:12px;
  --radius-badge:6px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(23,18,38,.06), 0 8px 24px rgba(23,18,38,.06);
  --shadow-2:0 10px 30px rgba(76,42,133,.16);
  --font-sans:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --sec-gap:48px;
}
*{box-sizing:border-box;}
.site-body{
  margin:0;
  padding:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.site-body img{max-width:100%;height:auto;display:block;}
.site-body a{color:inherit;text-decoration:none;}
.site-body button{font-family:inherit;}
.site-body input{font-family:inherit;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol,.site-body figure{margin:0;padding:0;}
.site-body ul,.site-body ol{list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--shadow-1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;height:40px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);
  color:var(--c-accent);
  font-size:18px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(76,42,133,.28);
  letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:none;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-primary{background:var(--c-accent);color:#2A1548;box-shadow:0 6px 18px rgba(200,240,75,.32);}
.btn-primary:hover{background:#b9e33a;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-line);}
.btn-ghost:hover{background:rgba(76,42,133,.08);border-color:var(--c-primary);}
.btn-outline-light{background:transparent;color:var(--c-purple-text);border:1px solid rgba(255,255,255,.4);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:var(--c-purple-text);}
.btn-nav{height:42px;padding:0 20px;font-size:15px;}
.btn:focus-visible,.nav-link:focus-visible,.brand:focus-visible,.footer-links a:focus-visible,.drawer-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;
}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:12px 20px 22px;
}
.mobile-drawer.open{display:block;}
.drawer-links{display:flex;flex-direction:column;margin-bottom:14px;}
.drawer-link{
  display:flex;align-items:center;gap:12px;
  height:52px;font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-link:last-child{border-bottom:none;}
.drawer-num{font-size:13px;color:var(--c-accent);font-weight:700;font-variant-numeric:tabular-nums;}
.drawer-cta{width:100%;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 6px;
  font-size:13px;color:var(--c-ink-3);
}
.breadcrumb a{color:var(--c-ink-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-ink-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;padding-top:14px;padding-bottom:var(--sec-gap);}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;gap:48px;justify-content:center;padding-bottom:88px;}
}
.article-head{padding-bottom:8px;border-bottom:1px solid var(--c-line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:rgba(76,42,133,.12);color:var(--c-primary);}
.badge-live{background:#fff;color:var(--c-accent-2);border:1px solid var(--c-accent-2);}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);}
.article-title{
  margin-top:16px;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:14px;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;
}
.article-meta time{color:var(--c-ink-2);}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);flex:none;}
.article-meta .meta-sep{width:1px;height:14px;background:var(--c-line);}
.article-cover{
  margin-top:26px;border-radius:16px;overflow:hidden;
  aspect-ratio:16/9;background:#EFEAF6;box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 正文排版 ---------- */
.article-body{
  margin-top:32px;
  max-width:760px;
  font-size:17px;line-height:1.95;color:var(--c-ink);
}
.article-body p{margin-bottom:1.1em;}
.article-body h2{
  position:relative;
  margin:52px 0 18px;padding-left:16px;
  font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:3px;background:var(--c-accent);
}
.article-body h3{margin:32px 0 12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--c-ink);}
.article-body h4{margin:24px 0 10px;font-size:16px;font-weight:600;color:var(--c-ink);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;}
.article-body li{position:relative;padding-left:20px;margin-bottom:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-accent);
}
.article-body ol{counter-reset:listcount;}
.article-body ol li{counter-increment:listcount;}
.article-body ol li::before{
  content:counter(listcount);
  position:absolute;left:0;top:.1em;
  font-size:13px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;
  border-left:4px solid var(--c-primary);
  background:#F2EDFA;border-radius:0 14px 14px 0;
  color:var(--c-ink-2);font-size:16px;line-height:1.9;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:24px 0 8px;width:100%;height:auto;}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--c-ink-3);text-align:center;line-height:1.7;
}
.article-body a{color:var(--c-primary);font-weight:500;border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease;}
.article-body a:hover{border-bottom-color:var(--c-accent);color:#3b1f6b;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  text-align:left;padding:12px 14px;
}
.article-body td{padding:12px 14px;border:1px solid var(--c-line);color:var(--c-ink-2);}
.article-body tr:nth-child(even) td{background:#FBF9F4;}
.article-body strong{font-weight:700;}

/* ---------- 空态 ---------- */
.empty-state{
  margin-top:40px;padding:56px 24px;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.empty-state svg{width:44px;height:44px;color:var(--c-ink-3);margin:0 auto 16px;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:22px;}

/* ---------- 文末模块 ---------- */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line);}
.foot-title{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--radius-pill);
  font-size:13px;color:var(--c-ink-2);background:#fff;transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
a.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(76,42,133,.06);}
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEAF6;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:16px 18px 18px;}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:8px;}
.rel-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.back-row{margin-top:26px;}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0;}
@media (min-width:1024px){
  .article-side{position:sticky;top:88px;align-self:start;}
}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-title{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--c-accent);}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-ink-2);transition:color .2s ease,padding-left .2s ease;
}
.side-links a:last-child{border-bottom:none;}
.side-links a:hover{color:var(--c-primary);padding-left:4px;}
.side-links span{font-size:12px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.side-note{font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags .tag{height:28px;padding:0 12px;font-size:12px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);color:var(--c-purple-text);
  padding:56px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:22px;}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
}
.cta-band h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:#fff;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-purple-mute);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:var(--c-purple-mute);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent);}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.9;color:var(--c-purple-mute);margin-bottom:16px;}
.site-footer .tag{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--c-purple-mute);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{font-size:14px;line-height:2.2;color:var(--c-purple-mute);transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--c-accent);padding-left:4px;}
.footer-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:10px;}
.footer-form input{
  width:100%;height:44px;padding:0 14px;margin-bottom:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.2);
  border-radius:10px;color:#fff;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:#8A82A0;}
.footer-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.1);}
.form-hint{font-size:13px;line-height:1.6;color:var(--c-ink-3);margin-bottom:14px;}
.footer-form.error input{border-color:var(--c-accent-2);}
.footer-form.error .form-hint{color:var(--c-accent-2);}
.footer-form .btn{width:100%;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom .note{color:var(--c-ink-3);}
@media (max-width:767px){
  .site-footer{padding-top:44px;}
  .header-inner{height:64px;}
  .brand-text{font-size:15px;}
  .article-title{margin-top:14px;}
}

/* roulang page: category2 */
:root{
    --c-primary:#4C2A85;
    --c-primary-deep:#2A1548;
    --c-accent:#C8F04B;
    --c-accent-2:#FF7A59;
    --c-bg:#F6F3EC;
    --c-surface:#FFFFFF;
    --c-line:#E3DCCE;
    --c-ink:#171226;
    --c-ink-2:#4A4260;
    --c-ink-3:#8A82A0;
    --c-on-dark:#EFEAFA;
    --c-on-dark-2:#CFC8E0;
    --radius-card:14px;
    --radius-img:12px;
    --radius-badge:6px;
    --radius-input:10px;
    --shadow-1:0 1px 2px rgba(23,18,38,.06),0 8px 24px rgba(23,18,38,.06);
    --shadow-2:0 10px 30px rgba(76,42,133,.16);
    --header-h:68px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  html body{
    margin:0;
    padding:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  time,.num{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 24px}}

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

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn:active{transform:translateY(0)}
  .btn-primary{background:var(--c-accent);color:#2A1548}
  .btn-primary:hover{background:#BCE33A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-outline{border-color:rgba(23,18,38,.2);color:var(--c-ink);background:transparent}
  .btn-outline:hover{background:rgba(76,42,133,.08);border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn-lg{height:50px;padding:0 28px;font-size:16px}
  .btn:disabled{opacity:.4;cursor:not-allowed}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;height:var(--header-h);
    background:transparent;border-bottom:1px solid transparent;
    transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .site-header.is-solid{
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--c-line);
    box-shadow:var(--shadow-1);
  }
  .header-inner{height:var(--header-h);display:flex;align-items:center;gap:18px}
  .brand{display:inline-flex;align-items:center;gap:10px;height:40px;flex:0 0 auto}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--c-primary);
    color:var(--c-accent);font-size:18px;font-weight:800;line-height:34px;text-align:center;
    box-shadow:0 4px 12px rgba(42,21,72,.28);
  }
  .brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-on-dark);transition:color .3s ease}
  .site-header.is-solid .brand-text{color:var(--c-ink)}

  .nav-links{display:none;align-items:center;gap:26px;margin-left:auto}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;padding:8px 2px;color:#D9D2EA;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--c-accent);
    transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
  }
  .nav-link:hover{color:#fff}
  .nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.active::after{transform:scaleX(1)}
  .nav-link.active{color:#fff;font-weight:700}
  .nav-link.active::before{
    content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;margin-top:-3px;
    border-radius:50%;background:var(--c-accent);
  }
  .site-header.is-solid .nav-link{color:var(--c-ink-2)}
  .site-header.is-solid .nav-link:hover{color:var(--c-ink)}
  .site-header.is-solid .nav-link.active{color:var(--c-ink)}

  .header-actions{display:none;align-items:center;gap:10px;margin-left:auto}
  @media (min-width:1024px){.header-actions{display:flex;margin-left:24px}}
  .site-header .btn-outline{border-color:rgba(255,255,255,.42);color:var(--c-on-dark)}
  .site-header.is-solid .btn-outline{border-color:rgba(76,42,133,.32);color:var(--c-primary)}
  .site-header.is-solid .btn-outline:hover{background:rgba(76,42,133,.08)}

  .hamburger{
    margin-left:auto;width:44px;height:44px;border:1px solid rgba(255,255,255,.36);
    border-radius:12px;background:rgba(255,255,255,.08);display:inline-flex;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:background .2s,border-color .2s;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:#EFEAFA;transition:transform .25s ease,opacity .2s ease}
  .site-header.is-solid .hamburger{border-color:var(--c-line);background:#fff}
  .site-header.is-solid .hamburger span{background:var(--c-ink)}
  .hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.is-open span:nth-child(2){opacity:0}
  .hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  @media (min-width:1024px){.hamburger{display:none}}

  .mobile-drawer{
    display:none;position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
    background:#21103B;padding:20px 20px 110px;z-index:90;overflow-y:auto;
  }
  .mobile-drawer.open{display:block}
  .drawer-nav{display:flex;flex-direction:column}
  .drawer-link{
    display:flex;align-items:center;gap:14px;min-height:52px;color:var(--c-on-dark-2);
    font-size:16px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .drawer-link.active{color:#fff;font-weight:700}
  .drawer-idx{font-size:13px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums}
  .drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:14px 20px;background:rgba(33,16,59,.96);border-top:1px solid rgba(255,255,255,.12)}
  .drawer-cta .btn{width:100%}

  /* ---------- 分类横幅 ---------- */
  .cat-banner{
    position:relative;margin-top:calc(-1 * var(--header-h));
    padding:calc(var(--header-h) + 74px) 0 52px;
    background:var(--c-primary-deep);color:var(--c-on-dark-2);overflow:hidden;
  }
  .cat-banner::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;opacity:.55;
  }
  .cat-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(42,21,72,.94) 0%,rgba(42,21,72,.76) 48%,rgba(42,21,72,.44) 100%);
  }
  .cat-banner .container{position:relative;z-index:2}
  .crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(207,200,224,.82);margin-bottom:18px}
  .crumb a{color:var(--c-on-dark)}
  .crumb a:hover{color:var(--c-accent)}
  .crumb span[aria-current]{color:rgba(207,200,224,.72)}
  .banner-kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;
    color:var(--c-accent);text-transform:none;margin-bottom:14px;
  }
  .banner-kicker i{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);display:inline-block}
  .cat-banner h1{
    font-size:clamp(30px,5vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
    color:#fff;max-width:820px;
  }
  .cat-banner h1 em{font-style:normal;color:var(--c-accent)}
  .banner-lead{
    margin-top:16px;font-size:16px;line-height:1.9;color:var(--c-on-dark-2);max-width:660px;
  }
  .banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .banner-actions .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
  .banner-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
  .banner-meta{
    margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px;
  }
  @media (min-width:768px){.banner-meta{grid-template-columns:repeat(4,minmax(0,1fr))}}
  .banner-meta div + div{border-left:0}
  @media (min-width:768px){.banner-meta div + div{border-left:1px solid rgba(255,255,255,.15);padding-left:18px}}
  .bm-num{font-size:26px;font-weight:800;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
  .bm-label{font-size:13px;color:rgba(207,200,224,.86);margin-top:4px}

  /* ---------- 筛选条 ---------- */
  .filter-bar{
    position:sticky;top:var(--header-h);z-index:50;
    background:rgba(246,243,236,.95);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--c-line);
    padding:12px 0;
  }
  .filter-inner{display:flex;align-items:center;gap:12px;flex-wrap:nowrap}
  .chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px}
  .chips::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);
    background:#fff;color:var(--c-ink-2);font-size:14px;font-weight:600;cursor:pointer;
    transition:background .2s,color .2s,border-color .2s,transform .2s;
  }
  .chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
  .chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
  .sort-box{
    display:none;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:10px;
    border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-ink-2);flex:0 0 auto;
  }
  @media (min-width:768px){.sort-box{display:inline-flex}}
  .sort-box svg{flex:0 0 auto}

  /* ---------- 板块 ---------- */
  .section{padding:52px 0}
  @media (min-width:768px){.section{padding:72px 0}}
  @media (min-width:1024px){.section{padding:88px 0}}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
  .sec-title{
    position:relative;padding-left:16px;font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--c-ink);
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-accent);
  }
  .sec-desc{margin-top:8px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:620px}
  .sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
  .sec-link:hover{color:#2A1548}
  .sec-link svg{transition:transform .2s ease}
  .sec-link:hover svg{transform:translateX(3px)}

  /* ---------- 资讯卡网格（三列等高） ---------- */
  .card-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

  .n-card{
    display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--radius-card);overflow:hidden;height:100%;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .n-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:rgba(76,42,133,.22)}
  .n-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#EDE8F6}
  .n-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .n-card:hover .n-thumb img{transform:scale(1.04)}
  .n-badge{
    position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;height:26px;padding:0 10px;
    border-radius:var(--radius-badge);background:rgba(76,42,133,.12);color:#3A1F69;
    font-size:12px;font-weight:600;letter-spacing:.02em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  }
  .n-badge.hot{background:#fff;border:1px solid var(--c-accent-2);color:#B8451F}
  .n-body{display:flex;flex-direction:column;flex:1;padding:18px 18px 16px}
  .n-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-ink)}
  .n-title a{transition:color .2s ease}
  .n-card:hover .n-title a{color:var(--c-primary)}
  .n-excerpt{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .n-meta{
    margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);
  }
  .dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent-2);display:inline-block;flex:0 0 auto}

  /* ---------- 分页 ---------- */
  .pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:40px}
  .pager a,.pager span.pg{
    display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 12px;
    border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
    font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;
    transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
  }
  .pager a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
  .pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
  .pager .is-disabled{opacity:.45;pointer-events:none}
  .back-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}

  /* ---------- 数据 / 节奏条 ---------- */
  .stats-band{position:relative;background:var(--c-primary-deep);color:var(--c-on-dark-2);overflow:hidden;padding:56px 0}
  @media (min-width:1024px){.stats-band{padding:72px 0}}
  .stats-band::before{
    content:"";position:absolute;inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.055) 0 1px,transparent 1px 13px);
  }
  .stats-band .container{position:relative;z-index:2}
  .stats-head{max-width:680px;margin-bottom:30px}
  .stats-head h2{color:#fff;font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
  .stats-head p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-on-dark-2)}
  .stats-row{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px;
    border-top:1px solid rgba(255,255,255,.14);padding-top:26px;
  }
  @media (min-width:900px){.stats-row{grid-template-columns:repeat(4,minmax(0,1fr))}}
  .stat-item{padding-left:0}
  @media (min-width:900px){.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}}
  .stat-num{font-size:clamp(26px,3.4vw,34px);font-weight:800;line-height:1.15;color:#fff;font-variant-numeric:tabular-nums}
  .stat-num small{font-size:15px;font-weight:600;color:var(--c-accent);margin-left:4px}
  .stat-label{margin-top:6px;font-size:13px;color:rgba(207,200,224,.88)}

  /* ---------- 图文区块 ---------- */
  .split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
  @media (min-width:1024px){.split{grid-template-columns:1.05fr .95fr;gap:48px}}
  .split-media{border-radius:16px;overflow:hidden;border:1px solid var(--c-line);background:#fff;box-shadow:var(--shadow-1)}
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .split-body h2{font-size:clamp(22px,3vw,30px);line-height:1.32;font-weight:700;color:var(--c-ink)}
  .split-body p{margin-top:14px;font-size:16px;line-height:1.9;color:var(--c-ink-2);max-width:600px}
  .step-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
  .step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:16px 18px;box-shadow:var(--shadow-1)}
  .step-idx{
    flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:rgba(76,42,133,.1);color:var(--c-primary);
    display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .step h3{font-size:16px;font-weight:600;color:var(--c-ink)}
  .step p{margin-top:4px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--c-line)}
  .faq-item{border-bottom:1px solid var(--c-line)}
  .faq-q{
    position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0 20px 0;background:none;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
  }
  .faq-q::before{
    content:"";position:absolute;left:-14px;top:20px;bottom:20px;width:3px;border-radius:2px;
    background:var(--c-accent);opacity:0;transition:opacity .25s ease;
  }
  .faq-q:hover{color:var(--c-primary)}
  .faq-item.open .faq-q{color:var(--c-primary)}
  .faq-item.open .faq-q::before{opacity:1}
  .faq-ico{flex:0 0 auto;transition:transform .3s ease;color:var(--c-ink-3)}
  .faq-item.open .faq-ico{transform:rotate(180deg);color:var(--c-primary)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .faq-a p{margin:0 0 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);max-width:820px}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;background:var(--c-primary-deep);color:var(--c-on-dark-2);overflow:hidden;padding:52px 0}
  @media (min-width:1024px){.cta-band{padding:68px 0}}
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
    background-size:18px 18px;opacity:.5;
  }
  .cta-band .container{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
  .cta-band h2{font-size:clamp(20px,2.6vw,30px);line-height:1.35;font-weight:700;color:#fff;max-width:620px}
  .cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-on-dark-2);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
  .cta-band .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#2A1548;color:var(--c-on-dark-2);padding:60px 0 26px;font-size:14px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}}
  @media (max-width:767px){.footer-form{order:-1}}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .brand-mark{background:#3A1F69;color:var(--c-accent)}
  .footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
  .footer-desc{font-size:14px;line-height:1.9;color:var(--c-on-dark-2);max-width:340px}
  .tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
    border:1px solid rgba(255,255,255,.22);color:var(--c-on-dark-2);font-size:12px;font-weight:600;
  }
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:12px}
  .footer-links{display:flex;flex-direction:column}
  .footer-links a{display:inline-block;line-height:2.2;color:var(--c-on-dark-2);font-size:14px;transition:color .2s ease,transform .2s ease}
  .footer-links a:hover{color:var(--c-accent);transform:translateX(2px)}
  .footer-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:10px}
  .footer-form input{
    width:100%;height:44px;padding:0 14px;border-radius:var(--radius-input);
    border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;
    transition:border-color .2s ease,background .2s ease;
  }
  .footer-form input::placeholder{color:#8A82A0}
  .footer-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(200,240,75,.18)}
  .form-hint{margin:8px 0 0;font-size:13px;line-height:1.7;color:var(--c-ink-3)}
  .form-hint.is-error{color:var(--c-accent-2)}
  .footer-form input.has-error{border-color:var(--c-accent-2)}
  .footer-form .btn{margin-top:14px;width:100%}
  @media (min-width:520px){.footer-form .btn{width:auto}}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(207,200,224,.82);
  }
  .footer-bottom .note{color:#8A82A0}

  @media (max-width:519px){
    .brand-text{font-size:15px}
    .banner-actions .btn{width:100%}
    .cat-banner{padding-top:calc(var(--header-h) + 54px)}
  }

/* roulang page: category3 */
:root{
    --c-primary:#4C2A85;
    --c-primary-deep:#2A1548;
    --c-primary-soft:rgba(76,42,133,.08);
    --c-accent:#C8F04B;
    --c-accent-2:#FF7A59;
    --c-bg:#F6F3EC;
    --c-surface:#FFFFFF;
    --c-line:#E3DCCE;
    --c-ink:#171226;
    --c-ink-2:#4A4260;
    --c-ink-3:#8A82A0;
    --ring:rgba(200,240,75,.85);
    --radius-card:14px;
    --radius-img:12px;
    --radius-badge:6px;
    --radius-field:10px;
    --shadow-1:0 1px 2px rgba(23,18,38,.06),0 8px 24px rgba(23,18,38,.06);
    --shadow-2:0 10px 30px rgba(76,42,133,.16);
    --sec-y:48px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul{padding:0;list-style:none;}
  .num,.time,.stat-num{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 24px;} :root{--sec-y:72px;} }
  @media (min-width:1024px){ :root{--sec-y:92px;} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:42px;padding:0 20px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn svg{width:17px;height:17px;flex:none;}
  .btn-primary{background:var(--c-accent);color:var(--c-primary-deep);box-shadow:0 2px 0 rgba(23,18,38,.04);}
  .btn-primary:hover{background:#bbdf3f;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-outline{border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);}
  .btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);}
  .btn-ghost{border:1px solid transparent;color:var(--c-ink-2);}
  .btn-ghost:hover{color:var(--c-primary);background:var(--c-primary-soft);}
  .btn-onDark{border:1px solid rgba(255,255,255,.28);color:#EFEAFA;background:rgba(255,255,255,.06);}
  .btn-onDark:hover{background:rgba(255,255,255,.14);color:#fff;}
  .btn-sm{min-height:36px;padding:0 15px;font-size:14px;}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:3px 9px;border-radius:var(--radius-badge);
    font-size:12px;font-weight:600;letter-spacing:.02em;
    background:rgba(76,42,133,.12);color:var(--c-primary);
  }
  .badge-live{background:var(--c-surface);border:1px solid rgba(255,122,89,.55);color:#c94f2c;}
  .tag{
    display:inline-flex;align-items:center;
    padding:5px 11px;border-radius:999px;border:1px solid var(--c-line);
    font-size:13px;color:var(--c-ink-2);background:var(--c-surface);
  }
  .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);display:inline-block;}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,243,236,.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .site-header.scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--c-line);box-shadow:var(--shadow-1);}
  .nav-inner{display:flex;align-items:center;gap:18px;min-height:68px;}
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:38px;height:38px;flex:none;border-radius:11px;
    background:var(--c-primary);color:var(--c-accent);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:800;letter-spacing:-.02em;
  }
  .brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
  .nav-links{display:none;align-items:center;gap:6px;margin-left:8px;}
  .nav-link{
    position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--c-ink-2);
    border-radius:8px;transition:color .18s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
    background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--c-ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--c-primary);font-weight:700;}
  .nav-link.active::before{
    content:"";position:absolute;left:2px;top:50%;width:6px;height:6px;margin-top:-3px;
    border-radius:50%;background:var(--c-accent);
  }
  .nav-link.active::after{transform:scaleX(1);}
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .nav-actions .btn-ghost{display:none;}
  .menu-toggle{
    width:42px;height:42px;border-radius:11px;border:1px solid var(--c-line);
    display:flex;align-items:center;justify-content:center;background:var(--c-surface);
  }
  .menu-toggle span{display:block;width:17px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:17px;height:2px;background:var(--c-ink);border-radius:2px;}
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-actions .btn-ghost{display:inline-flex;}
    .menu-toggle{display:none;}
  }
  .drawer{
    position:fixed;inset:0;z-index:80;background:var(--c-primary-deep);
    padding:22px 20px 96px;transform:translateY(-102%);transition:transform .3s ease;
    overflow-y:auto;
  }
  .drawer.open{transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
  .drawer-close{
    width:40px;height:40px;border-radius:11px;border:1px solid rgba(255,255,255,.22);
    color:#EFEAFA;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  }
  .drawer-nav a{
    display:flex;align-items:center;gap:12px;min-height:52px;
    color:#EFEAFA;font-size:17px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .drawer-nav a .idx{font-size:13px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;}
  .drawer-nav a.active{color:#fff;}
  .drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px;background:rgba(42,21,72,.96);border-top:1px solid rgba(255,255,255,.12);}
  .drawer-foot .btn{width:100%;}

  /* ---------- 面包屑 ---------- */
  .crumb{padding:18px 0 0;font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .crumb a{color:var(--c-ink-2);}
  .crumb a:hover{color:var(--c-primary);}
  .crumb .sep{color:var(--c-line);}

  /* ---------- 分类头部 ---------- */
  .cat-hero{padding:22px 0 0;}
  .cat-hero-grid{display:grid;gap:26px;}
  .cat-hero h1{
    font-size:clamp(28px,4.6vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  }
  .cat-hero h1 .hl{color:var(--c-primary);}
  .cat-hero .lead{margin-top:14px;font-size:16px;line-height:1.95;color:var(--c-ink-2);max-width:640px;}
  .hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .cat-figure{
    border-radius:16px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);
    box-shadow:var(--shadow-1);aspect-ratio:3/2;
  }
  .cat-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-rule{margin-top:34px;height:1px;background:var(--c-line);}
  @media (min-width:900px){
    .cat-hero-grid{grid-template-columns:1fr 360px;align-items:center;gap:44px;}
  }

  /* ---------- 筛选条 ---------- */
  .filter-bar{
    position:sticky;top:68px;z-index:40;margin-top:22px;
    background:rgba(246,243,236,.94);backdrop-filter:blur(8px);
    border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  }
  .filter-bar-inner{display:flex;align-items:center;gap:10px;min-height:60px;overflow-x:auto;padding:9px 0;}
  .filter-bar-inner::-webkit-scrollbar{height:0;}
  .chip{
    flex:none;padding:7px 14px;border-radius:999px;border:1px solid var(--c-line);
    background:var(--c-surface);font-size:14px;color:var(--c-ink-2);transition:.18s ease;
  }
  .chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
  .chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
  .sort-box{
    margin-left:auto;flex:none;display:flex;align-items:center;gap:8px;
    height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--c-line);
    background:var(--c-surface);font-size:14px;color:var(--c-ink-2);
  }

  /* ---------- 布局：左筛选栏 + 右列表 ---------- */
  .section{padding-top:var(--sec-y);}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px;}
  .sec-title{position:relative;padding-left:14px;font-size:clamp(21px,3vw,30px);line-height:1.3;font-weight:700;}
  .sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--c-accent);}
  .sec-sub{font-size:14px;color:var(--c-ink-2);margin-top:8px;padding-left:14px;}
  .help-layout{display:grid;gap:26px;}
  @media (min-width:1024px){
    .help-layout{grid-template-columns:220px 1fr;gap:34px;align-items:start;}
  }
  .filter-aside{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
    padding:18px;box-shadow:var(--shadow-1);
  }
  @media (min-width:1024px){ .filter-aside{position:sticky;top:150px;} }
  .filter-aside h3{font-size:16px;font-weight:700;margin-bottom:12px;}
  .filter-group{padding:14px 0;border-top:1px solid var(--c-line);}
  .filter-group:first-of-type{border-top:0;padding-top:0;}
  .filter-group h4{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:10px;}
  .check-row{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;color:var(--c-ink-2);cursor:pointer;}
  .check-row:hover{color:var(--c-primary);}
  .check-row input{
    appearance:none;-webkit-appearance:none;width:17px;height:17px;flex:none;
    border:1.5px solid var(--c-line);border-radius:5px;background:var(--c-surface);
    transition:.16s ease;margin:0;
  }
  .check-row input:checked{
    background:var(--c-primary) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C8F04B' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/13px no-repeat;
    border-color:var(--c-primary);
  }
  .check-row input:checked + span{color:var(--c-ink);font-weight:600;}
  .aside-reset{margin-top:16px;width:100%;}

  /* ---------- 行式条目列表 ---------- */
  .row-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);}
  .list-row{
    display:flex;gap:16px;padding:16px 18px;border-bottom:1px solid var(--c-line);
    transition:background-color .18s ease;
  }
  .list-row:last-child{border-bottom:0;}
  .list-row:hover{background:#FBF9F4;}
  .row-thumb{
    width:88px;height:60px;flex:none;border-radius:10px;overflow:hidden;background:var(--c-bg);
  }
  .row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .list-row:hover .row-thumb img{transform:scale(1.05);}
  .row-body{min-width:0;display:flex;flex-direction:column;gap:5px;}
  .row-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .row-time{font-size:12px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
  .row-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
  .list-row:hover .row-title{color:var(--c-primary);}
  .row-desc{font-size:14px;line-height:1.7;color:var(--c-ink-2);
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
  @media (max-width:520px){
    .list-row{padding:14px;}
    .row-thumb{width:72px;height:52px;}
    .row-desc{-webkit-line-clamp:2;}
  }

  /* ---------- 数据卡 ---------- */
  .stat-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));}
  @media (min-width:900px){ .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;} }
  .stat-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
  }
  .stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .stat-card .stat-num{font-size:28px;font-weight:800;color:var(--c-primary);line-height:1.1;}
  .stat-card .stat-label{margin-top:6px;font-size:14px;font-weight:600;}
  .stat-card .stat-note{margin-top:6px;font-size:13px;line-height:1.7;color:var(--c-ink-3);}

  /* ---------- 流程 ---------- */
  .steps{display:grid;gap:16px;}
  @media (min-width:768px){ .steps{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1100px){ .steps{grid-template-columns:repeat(4,minmax(0,1fr));} }
  .step{
    position:relative;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--radius-card);padding:22px 20px 20px;box-shadow:var(--shadow-1);
  }
  .step .step-idx{font-size:13px;font-weight:700;color:var(--c-primary);background:rgba(200,240,75,.5);
    display:inline-flex;align-items:center;justify-content:center;width:30px;height:24px;border-radius:6px;font-variant-numeric:tabular-nums;}
  .step h3{margin-top:12px;font-size:17px;font-weight:700;}
  .step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}

  /* ---------- FAQ ---------- */
  .faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
    position:relative;transition:background-color .18s ease,color .18s ease;
  }
  .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-accent);opacity:0;transition:opacity .2s ease;}
  .faq-q:hover{background:#FBF9F4;}
  .faq-q .chev{width:18px;height:18px;flex:none;transition:transform .25s ease;color:var(--c-ink-3);}
  .faq-item.open .faq-q{color:var(--c-primary);}
  .faq-item.open .faq-q::before{opacity:1;}
  .faq-item.open .chev{transform:rotate(180deg);color:var(--c-primary);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 20px 20px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

  /* ---------- CTA 通栏 ---------- */
  .cta-band{
    margin-top:var(--sec-y);background:var(--c-primary-deep);color:#EFEAFA;
    background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
    padding:44px 0;
  }
  .cta-inner{display:grid;gap:22px;align-items:center;}
  @media (min-width:900px){ .cta-inner{grid-template-columns:1fr auto;gap:40px;} }
  .cta-inner h2{font-size:clamp(20px,2.6vw,28px);line-height:1.35;font-weight:700;color:#fff;}
  .cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:#CFC8E0;max-width:620px;}
  .cta-btns{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 分页 ---------- */
  .pager{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:24px;}
  .pager a,.pager span.pg{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);
    font-size:15px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;transition:.18s ease;
  }
  .pager a:hover{border-color:var(--c-primary);color:var(--c-primary);}
  .pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700;}
  .pager .pg-text{width:auto;padding:0 16px;font-size:14px;}
  .back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:var(--sec-y);background:var(--c-primary-deep);color:#CFC8E0;padding:52px 0 0;}
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:36px;} }
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent);}
  .footer-brand .brand-text{color:#fff;}
  .footer-desc{margin-top:14px;font-size:14px;line-height:1.9;color:#CFC8E0;max-width:340px;}
  .tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .tag-group .tag{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#CFC8E0;font-size:12px;}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:2px;}
  .footer-links a{font-size:14px;line-height:2.2;color:#CFC8E0;transition:color .18s ease;}
  .footer-links a:hover{color:var(--c-accent);}
  .footer-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px;}
  .footer-form input{
    width:100%;height:44px;padding:0 14px;border-radius:var(--radius-field);
    border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#EFEAFA;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .footer-form input::placeholder{color:#8A82A0;}
  .footer-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(200,240,75,.22);}
  .footer-form input.error{border-color:var(--c-accent-2);}
  .form-hint{margin-top:8px;font-size:13px;line-height:1.6;color:#8A82A0;}
  .form-hint.error{color:var(--c-accent-2);}
  .footer-form .btn{margin-top:14px;width:100%;}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8A82A0;
  }
  .footer-bottom .note{color:#8A82A0;}

  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;}
    html{scroll-behavior:auto;}
  }