/* roulang page: index */
:root{
  --ink-950:#080C0E;
  --ink-900:#0F151A;
  --ink-800:#161F25;
  --ink-700:#1F2A31;
  --jade:#12A57F;
  --jade-hover:#17C497;
  --jade-deep:#0B7C5F;
  --bronze:#D9A85B;
  --tx-100:#F2F5F6;
  --tx-300:#A9B6BC;
  --tx-500:#6E7C84;
  --paper:#F6F2EA;
  --paper-2:#EFE7D8;
  --paper-3:#E3DCCF;
  --alert:#E4574C;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.12);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tx-100);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer;}
input{font-family:inherit;}
::selection{background:rgba(18,165,127,.35);color:#fff;}
:focus-visible{outline:2px solid var(--bronze);outline-offset:2px;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* ---------- 通用标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  display:flex;
  align-items:center;
  gap:14px;
}
.section-title::before{content:"";flex:none;width:2px;height:20px;background:var(--bronze);}
.section-desc{font-size:15px;color:var(--tx-300);max-width:640px;margin-top:14px;}
.text-link{color:var(--bronze);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;min-height:44px;transition:var(--t);}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:var(--jade);color:#04140F;}
.btn-primary:hover{background:var(--jade-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,165,127,.28);}
.btn-primary:active{background:var(--jade-deep);transform:translateY(0);box-shadow:none;}
.btn-ghost{border:1px solid var(--bronze);color:var(--bronze);background:transparent;}
.btn-ghost:hover{background:rgba(217,168,91,.12);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;line-height:1.6;
  padding:4px 10px;border-radius:6px;
  border:1px solid var(--bronze);color:var(--bronze);
  background:rgba(8,12,14,.6);
}
.dot-live{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--alert);margin-right:6px;vertical-align:middle;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,12,14,.94);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--t);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--t);}
.site-header.is-compact .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{position:relative;width:34px;height:34px;flex:none;}
.brand-mark::before,
.brand-mark::after{content:"";position:absolute;border-radius:4px;transform:rotate(45deg);}
.brand-mark::before{inset:0;border:1px solid var(--jade);}
.brand-mark::after{inset:8px;border:1px solid var(--bronze);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--tx-100);}
.brand-sub{font-size:11px;color:var(--bronze);letter-spacing:.18em;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;color:var(--tx-300);
  border-bottom:2px solid transparent;
  transition:color var(--t),border-color var(--t);
}
.nav-links a:hover{color:var(--tx-100);}
.nav-links a.active{color:var(--tx-100);border-bottom-color:var(--bronze);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line-strong);color:var(--tx-300);
  transition:var(--t);
}
.icon-btn:hover{color:var(--tx-100);border-color:rgba(217,168,91,.45);}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.menu-toggle{display:none;}

/* 搜索面板 */
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.search-panel[hidden]{display:none;}
.search-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.search-row input{
  flex:1 1 280px;height:44px;border-radius:var(--r-sm);
  background:#131A1E;border:1px solid var(--ink-700);
  color:var(--tx-100);padding:0 16px;font-size:15px;
}
.search-row input::placeholder{color:#8A969C;}
.search-row input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 2px rgba(18,165,127,.25);}
.search-hint{font-size:13px;color:var(--tx-500);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-950);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:72% center;
}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,12,14,.97) 0%,rgba(8,12,14,.92) 38%,rgba(8,12,14,.45) 72%,rgba(8,12,14,.12) 100%);}
.scale-pattern{
  position:absolute;right:-60px;bottom:-60px;width:340px;height:340px;opacity:.05;pointer-events:none;
  background-image:
    repeating-linear-gradient(45deg,var(--bronze) 0 1px,transparent 1px 18px),
    repeating-linear-gradient(-45deg,var(--bronze) 0 1px,transparent 1px 18px);
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:620px;padding:88px 0;}
.hero-content{max-width:680px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--bronze);color:var(--bronze);
  font-size:12px;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;
}
.hero h1{
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
  margin:22px 0 18px;
}
.hero-lead{font-size:17px;line-height:1.8;color:var(--tx-300);max-width:600px;}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:36px;
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
}
.fact b{font-size:26px;font-weight:700;color:var(--bronze);font-variant-numeric:tabular-nums;line-height:1.2;}
.fact span{font-size:13px;color:var(--tx-500);margin-left:8px;}

/* ---------- 横滑频道速览 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:24px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:10px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  position:relative;flex:0 0 260px;height:180px;
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-800);
  scroll-snap-align:start;transition:var(--t);
}
.rail-card:hover{border-color:rgba(217,168,91,.45);transform:translateY(-4px);}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--t);}
.rail-card:hover img{transform:scale(1.03);}
.rail-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,12,14,.1) 0%,rgba(8,12,14,.35) 42%,rgba(8,12,14,.93) 100%);}
.rail-index{position:absolute;top:12px;left:14px;z-index:2;font-size:12px;letter-spacing:.12em;color:var(--bronze);font-variant-numeric:tabular-nums;}
.rail-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 16px;}
.rail-body h3{font-size:17px;font-weight:600;line-height:1.4;}
.rail-body p{font-size:12px;color:var(--tx-300);line-height:1.6;margin-top:2px;}
.rail-arrows{display:flex;gap:10px;}
.rail-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--tx-300);
  display:inline-flex;align-items:center;justify-content:center;
  transition:var(--t);
}
.rail-arrow:hover:not(:disabled){border-color:var(--bronze);color:var(--bronze);}
.rail-arrow:disabled{opacity:.32;cursor:not-allowed;}

/* ---------- 资讯 / 最新信息 ---------- */
.home-news{margin-left:-12px;margin-right:-12px;margin-bottom:-24px;}
.home-news > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.lead-card{
  display:block;background:var(--ink-800);
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:var(--t);height:100%;
}
.lead-card:hover{transform:translateY(-4px);border-color:rgba(217,168,91,.5);box-shadow:var(--shadow);}
.lead-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.lead-cover img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--t);}
.lead-card:hover .lead-cover img{transform:scale(1.03);}
.lead-cover .badge{position:absolute;top:14px;left:14px;}
.lead-body{padding:22px 24px 24px;}
.lead-body h3{font-size:22px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-body p{font-size:14px;line-height:1.8;color:var(--tx-300);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;font-size:13px;color:var(--tx-500);}
.lead-meta .text-link{font-size:14px;min-height:auto;}
.side-list{display:flex;flex-direction:column;height:100%;background:var(--ink-900);border:1px solid var(--line);border-radius:20px;padding:8px 20px;}
.side-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--ink-700);transition:var(--t);}
.side-item:last-child{border-bottom:none;}
.side-item:hover{padding-left:4px;}
.side-item:hover .side-title{color:var(--tx-100);}
.side-num{flex:none;font-size:20px;font-weight:700;color:var(--bronze);font-variant-numeric:tabular-nums;line-height:1.35;}
.side-body{display:flex;flex-direction:column;gap:2px;min-width:0;}
.side-cat{font-size:12px;letter-spacing:.08em;color:var(--tx-500);}
.side-title{font-size:16px;font-weight:600;color:var(--tx-300);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--t);}
.side-time{font-size:12px;color:var(--tx-500);}
.empty-state{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--ink-700);border-radius:20px;background:var(--ink-900);text-align:center;padding:32px;
}
.empty-mark{width:44px;height:44px;border:1px solid var(--bronze);transform:rotate(45deg);border-radius:8px;opacity:.6;}
.empty-state p{color:var(--tx-300);font-size:15px;}

/* ---------- 片单分区（浅色） ---------- */
.paper-section{background:var(--paper);color:#1D2327;padding:88px 0;}
.paper-section .section-title{color:#1D2327;}
.paper-section .section-desc{color:#4A5358;}
.plan-grid{margin-left:-12px;margin-right:-12px;margin-bottom:-24px;}
.plan-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.plan-card{
  position:relative;display:block;height:100%;background:#fff;
  border:1px solid var(--paper-3);border-radius:20px;padding:32px;
  overflow:hidden;transition:var(--t);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(29,35,39,.14);}
.plan-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--bronze);
  transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--t);
}
.plan-card:hover::after{transform:scaleX(1);}
.plan-label{font-size:11px;letter-spacing:.14em;color:#8A7B5F;text-transform:uppercase;}
.plan-card h3{font-size:22px;font-weight:700;line-height:1.4;margin-top:12px;color:#1D2327;}
.plan-card p{font-size:14px;line-height:1.8;color:#4A5358;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.plan-foot{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-size:14px;font-weight:600;color:#8A7B5F;transition:color var(--t);}
.plan-card:hover .plan-foot{color:#1D2327;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.tag-cloud a{
  border:1px solid var(--paper-3);background:#fff;border-radius:999px;
  padding:7px 16px;font-size:13px;color:#4A5358;transition:var(--t);
}
.tag-cloud a:hover{border-color:var(--bronze);color:#1D2327;}

/* ---------- 5/7 非对称 ---------- */
.split-row{margin-left:-12px;margin-right:-12px;}
.split-row > .cell{padding-left:12px;padding-right:12px;}
.sticky-col{position:sticky;top:96px;}
.step-list{display:flex;flex-direction:column;}
.step-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px dashed var(--ink-700);}
.step-item:first-child{padding-top:0;}
.step-item:last-child{border-bottom:none;padding-bottom:0;}
.step-icon{
  flex:none;width:48px;height:48px;border-radius:12px;
  background:var(--ink-700);border:1px solid rgba(217,168,91,.45);
  display:flex;align-items:center;justify-content:center;
  color:var(--bronze);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;font-weight:600;line-height:1.5;}
.step-item p{font-size:15px;line-height:1.85;color:var(--tx-300);margin-top:6px;}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:32px 20px;text-align:center;border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat b{display:block;font-size:36px;font-weight:700;line-height:1.1;color:var(--bronze);font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:13px;color:var(--tx-500);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-grid{margin-left:-12px;margin-right:-12px;}
.faq-grid > .cell{padding-left:12px;padding-right:12px;}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t);}
.faq-item:hover{border-color:rgba(217,168,91,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;line-height:1.5;font-weight:600;color:var(--tx-100);text-align:left;
}
.faq-q .plus{flex:none;color:var(--bronze);font-size:20px;line-height:1;transition:transform 220ms var(--t);}
.faq-item.is-active .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;padding:0 24px;
  font-size:15px;line-height:1.85;color:var(--tx-300);
  transition:max-height 260ms var(--t),padding 260ms var(--t);
}
.faq-a p{border-left:2px solid var(--jade);padding-left:14px;margin-top:16px;}
.faq-item.is-active .faq-a{padding-bottom:22px;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:56px 24px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-card::before{content:"";position:absolute;inset:0;background:rgba(8,12,14,.78);}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;}
.cta-card h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;}
.cta-card p{font-size:15px;color:var(--tx-300);margin-top:12px;max-width:460px;}
.subscribe{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:26px;width:100%;max-width:520px;}
.subscribe input{
  flex:1 1 280px;height:44px;border-radius:var(--r-sm);
  background:#131A1E;border:1px solid var(--ink-700);
  color:var(--tx-100);padding:0 16px;font-size:15px;
}
.subscribe input::placeholder{color:#8A969C;}
.subscribe input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 2px rgba(18,165,127,.25);}
.subscribe input.is-error{border-color:var(--alert);}
.form-msg{font-size:13px;margin-top:10px;min-height:18px;color:var(--tx-300);}
.form-msg.error{color:var(--alert);}
.form-msg.ok{color:var(--jade-hover);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-900);border-top:1px solid rgba(217,168,91,.35);padding:64px 0 28px;overflow:hidden;}
.footer-scale{
  position:absolute;right:-80px;top:-80px;width:280px;height:280px;opacity:.05;pointer-events:none;
  background-image:
    repeating-linear-gradient(45deg,var(--bronze) 0 1px,transparent 1px 16px),
    repeating-linear-gradient(-45deg,var(--bronze) 0 1px,transparent 1px 16px);
}
.footer-grid{margin-left:-12px;margin-right:-12px;}
.footer-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-about{font-size:14px;line-height:1.85;color:var(--tx-300);max-width:340px;}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--bronze);margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:var(--tx-300);transition:color var(--t);display:inline-flex;align-items:center;min-height:32px;}
.footer-list a:hover{color:var(--tx-100);}
.footer-list span{font-size:14px;color:var(--tx-300);}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:24px;padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-500);position:relative;z-index:2;
}

/* ---------- 移动抽屉 ---------- */
.off-canvas-menu{
  width:82vw !important;
  background:var(--ink-900) !important;
  border-right:1px solid var(--line);
  padding:0;
  transition:transform 240ms var(--t) !important;
}
.oc-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.oc-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:26px;line-height:1;color:var(--tx-300);border-radius:var(--r-sm);}
.oc-close:hover{color:var(--tx-100);}
.oc-nav{padding:8px 20px;}
.oc-nav a{
  display:flex;align-items:center;font-size:18px;line-height:56px;min-height:56px;
  color:var(--tx-300);border-bottom:1px solid var(--line);transition:color var(--t);
}
.oc-nav a:hover,.oc-nav a.active{color:var(--tx-100);}
.oc-foot{padding:20px;display:flex;flex-direction:column;gap:14px;}
.oc-foot .btn{width:100%;}
.oc-contact{font-size:13px;color:var(--tx-500);line-height:1.8;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .paper-section{padding:64px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero-inner{min-height:540px;padding:72px 0;}
  .hero-facts{gap:24px;}
  .sticky-col{position:static;}
  .home-news > .cell{margin-bottom:24px;}
  .side-list{padding:8px 16px;}
  .faq-col + .faq-col{margin-top:14px;}
  .footer-grid > .cell{margin-bottom:28px;}
}
@media (max-width:767px){
  .hero-bg{background-position:65% center;}
  .hero-shade{background:linear-gradient(180deg,rgba(8,12,14,.96) 0%,rgba(8,12,14,.86) 55%,rgba(8,12,14,.7) 100%);}
  .hero-inner{min-height:480px;padding:56px 0;}
  .hero h1{font-size:28px;line-height:1.25;}
  .hero-lead{font-size:15px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .fact b{font-size:22px;}
  .rail{gap:16px;}
  .rail-card{flex:0 0 220px;height:150px;}
  .rail-arrows{display:none;}
  .stats-bar{grid-template-columns:1fr 1fr;}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-last-child(-n+2){border-bottom:none;}
  .plan-card{padding:24px;}
  .section-head{margin-bottom:26px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .paper-section{padding:52px 0;}
  .hero-inner{min-height:480px;}
  .hero h1{font-size:26px;}
  .lead-body{padding:18px;}
  .lead-body h3{font-size:19px;}
  .subscribe input{flex:1 1 100%;}
  .subscribe .btn{width:100%;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}
body.menu-open{overflow:hidden;}

/* roulang page: article */
:root{
  --ink-950:#080C0E;
  --ink-900:#0F151A;
  --ink-800:#161F25;
  --ink-700:#1F2A31;
  --jade:#12A57F;
  --jade-hover:#17C497;
  --jade-deep:#0B7C5F;
  --bronze:#D9A85B;
  --tx-100:#F2F5F6;
  --tx-300:#A9B6BC;
  --tx-500:#6E7C84;
  --paper:#F6F2EA;
  --paper-2:#EFE7D8;
  --paper-line:#E3DCCF;
  --alert:#E4574C;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.12);
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --container:1280px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-hover:0 18px 40px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tx-100);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--bronze);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:1023px){
  .container{padding:0 24px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--jade);color:#04120D;}
.btn-primary:hover{background:var(--jade-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,165,127,.28);color:#04120D;}
.btn-primary:active{background:var(--jade-deep);transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(217,168,91,.6);color:var(--bronze);}
.btn-ghost:hover{background:rgba(217,168,91,.12);transform:translateY(-1px);color:var(--bronze);}
.btn-ghost:active{transform:translateY(0);background:rgba(217,168,91,.2);}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--tx-300);}
.btn-line:hover{border-color:rgba(217,168,91,.55);color:var(--bronze);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(217,168,91,.55);
  border-radius:6px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--bronze);
  background:transparent;
  line-height:1.6;
}
.badge-solid{background:var(--jade);border-color:var(--jade);color:#04120D;font-weight:600;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(8,12,14,.95);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:24px;
  height:24px;
  border-radius:5px;
  border:1px solid rgba(217,168,91,.55);
  background:linear-gradient(135deg,var(--jade),var(--jade-deep));
  transform:rotate(45deg);
  flex:0 0 auto;
}
.brand-text{display:block;}
.brand-name{
  display:block;
  font-size:17px;
  font-weight:700;
  line-height:1.25;
  color:var(--tx-100);
  letter-spacing:.01em;
}
.brand-sub{
  display:block;
  font-size:11px;
  line-height:1.5;
  letter-spacing:.18em;
  color:var(--bronze);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--tx-300);
  border-radius:8px;
}
.main-nav a:hover{color:var(--tx-100);background:rgba(255,255,255,.04);}
.main-nav a.active{color:var(--tx-100);}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--bronze);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:10px;
  color:var(--tx-300);
  font-size:15px;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{color:var(--bronze);background:rgba(217,168,91,.08);}
.nav-toggle{display:none;}
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border-radius:10px;
    color:var(--tx-100);
    font-size:18px;
    border:1px solid var(--line-strong);
  }
  .nav-toggle:hover{border-color:rgba(217,168,91,.55);color:var(--bronze);}
}
@media (max-width:639px){
  .header-inner{height:64px;gap:12px;}
  .brand-name{font-size:15px;}
}

/* ---------- 移动端抽屉 ---------- */
.oc-mask{
  position:fixed;
  inset:0;
  background:rgba(4,7,9,.7);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
  z-index:300;
}
.oc-drawer{
  position:fixed;
  top:0;
  left:0;
  width:82vw;
  max-width:340px;
  height:100%;
  background:var(--ink-900);
  border-right:1px solid var(--line);
  transform:translateX(-100%);
  transition:transform .28s var(--ease);
  z-index:310;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
body.oc-open .oc-mask{opacity:1;visibility:visible;}
body.oc-open .oc-drawer{transform:translateX(0);}
body.oc-open{overflow:hidden;}
.oc-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.oc-close{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--tx-300);
  border:1px solid var(--line-strong);
  font-size:16px;
}
.oc-close:hover{color:var(--bronze);border-color:rgba(217,168,91,.55);}
.oc-nav{display:flex;flex-direction:column;padding:8px 0 0;}
.oc-nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:18px;
  color:var(--tx-300);
  border-bottom:1px solid var(--line);
}
.oc-nav a.active{color:var(--bronze);}
.oc-nav a:hover{color:var(--tx-100);}
.oc-drawer .btn{width:100%;margin-top:22px;}
.oc-foot{
  margin-top:auto;
  padding-top:24px;
  font-size:13px;
  color:var(--tx-500);
  line-height:1.9;
}

/* ---------- 文章页主体 ---------- */
.article-wrap{padding:32px 0 88px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.7;
  color:var(--tx-500);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--tx-500);}
.breadcrumb a:hover{color:var(--bronze);}
.breadcrumb .sep{color:var(--ink-700);}
.breadcrumb .current{
  color:var(--bronze);
  max-width:440px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head{
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
}
.article-title{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;
  letter-spacing:-.015em;
  margin:16px 0 18px;
  max-width:820px;
  color:var(--tx-100);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--tx-500);
  padding-bottom:22px;
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:var(--ink-700);}
.article-cover{
  margin:32px 0 44px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  max-width:900px;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 336px;align-items:start;gap:36px;}
}
.article-panel{
  background:var(--paper);
  color:#1D2327;
  border-radius:var(--radius-lg);
  padding:48px 56px;
  box-shadow:0 18px 40px rgba(0,0,0,.28);
}
@media (max-width:1023px){
  .article-panel{padding:34px 30px;}
}
@media (max-width:639px){
  .article-panel{padding:22px 20px;border-radius:var(--radius-md);}
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:#1D2327;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:24px;
  line-height:1.42;
  margin:34px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--jade);
  color:#141A1D;
}
.article-body h3{
  font-size:20px;
  line-height:1.5;
  margin:26px 0 12px;
  color:var(--jade-deep);
}
.article-body h4{
  font-size:17px;
  margin:22px 0 10px;
  color:#141A1D;
}
.article-body ul,
.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:6px 0;}
.article-body ul li::marker{color:var(--jade);}
.article-body ol li::marker{color:var(--jade-deep);font-weight:600;}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--paper-2);
  border-left:3px solid var(--bronze);
  border-radius:0 12px 12px 0;
  color:#3A3A33;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  border-radius:12px;
  margin:20px auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  text-align:center;
  color:#8A8579;
  margin-top:8px;
}
.article-body a{
  color:var(--jade-deep);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:#8A6A2F;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
  border-radius:12px;
  overflow:hidden;
}
.article-body thead th{
  background:#222B31;
  color:#F2F5F6;
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  font-size:14px;
}
.article-body tbody td{
  padding:12px 14px;
  border-bottom:1px solid var(--paper-line);
  color:#33322B;
}
.article-body tbody tr:nth-child(even){background:#EFE9DD;}
.article-body hr{
  border:0;
  border-top:1px solid var(--paper-line);
  margin:28px 0;
}
.article-body strong{color:#141A1D;font-weight:700;}

/* 空状态 */
.empty-block{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:260px;
  text-align:center;
  padding:36px 20px;
}
.empty-mark{
  width:36px;
  height:36px;
  border-radius:8px;
  border:1px solid rgba(217,168,91,.55);
  background:linear-gradient(135deg,var(--ink-700),var(--ink-800));
  transform:rotate(45deg);
}
.empty-text{
  font-size:16px;
  color:var(--tx-300);
}

/* 文末 */
.article-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--paper-line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--paper-line);
  background:#FBF8F1;
  font-size:12px;
  letter-spacing:.06em;
  color:#6E6552;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.tag:hover{border-color:rgba(217,168,91,.8);color:#8A6A2F;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--jade-deep);
  font-weight:600;
}
.text-link:hover{color:#8A6A2F;text-decoration:underline;text-underline-offset:4px;}

/* 侧栏 */
.sidebar{display:grid;gap:24px;}
@media (min-width:1024px){
  .sidebar{position:sticky;top:96px;}
}
.side-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
}
.side-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--tx-100);
  margin-bottom:8px;
}
.side-title::before{
  content:"";
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--bronze);
  flex:0 0 auto;
}
.hot-list{margin-top:4px;}
.hot-list li + li{border-top:1px dashed var(--ink-700);}
.hot-list a{
  display:flex;
  gap:12px;
  padding:14px 0;
  font-size:15px;
  line-height:1.6;
  color:var(--tx-300);
  transition:color .22s var(--ease),padding .22s var(--ease);
}
.hot-list a:hover{color:var(--tx-100);padding-left:4px;}
.hot-num{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:600;
  color:var(--bronze);
  padding-top:2px;
  font-variant-numeric:tabular-nums;
}
.side-cta{
  background:linear-gradient(160deg,rgba(18,165,127,.16),rgba(18,165,127,.04));
  border:1px solid rgba(18,165,127,.42);
  border-radius:var(--radius-md);
  padding:24px;
}
.side-cta h3{font-size:17px;margin-bottom:8px;color:var(--tx-100);}
.side-cta p{font-size:14px;line-height:1.8;color:var(--tx-300);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* 相关推荐 */
.related{
  margin-top:64px;
  padding-top:48px;
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:28px;
}
.section-head h2{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  color:var(--tx-100);
}
.section-head h2::before{
  content:"";
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--bronze);
  flex:0 0 auto;
}
.section-head .more{
  font-size:14px;
  color:var(--bronze);
  font-weight:600;
}
.section-head .more:hover{text-decoration:underline;text-underline-offset:4px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:639px){
  .related-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
}
.rc-card{
  display:flex;
  flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rc-card:hover{
  transform:translateY(-4px);
  border-color:rgba(217,168,91,.42);
  box-shadow:var(--shadow-hover);
}
.rc-thumb{overflow:hidden;}
.rc-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .24s var(--ease);
}
.rc-card:hover .rc-thumb img{transform:scale(1.04);}
.rc-body{padding:18px 20px 20px;}
.rc-body h3{
  font-size:17px;
  line-height:1.5;
  color:var(--tx-100);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rc-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--tx-500);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:12px;
}
.rc-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:var(--tx-500);
  font-variant-numeric:tabular-nums;
}
.rc-meta .go{color:var(--bronze);font-weight:600;}

/* 底部 CTA */
.cta-block{
  margin-top:56px;
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  background:rgba(15,21,26,.92);
  background-image:linear-gradient(115deg,rgba(8,12,14,.96),rgba(8,12,14,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  padding:48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-block h2{
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.4;
  color:var(--tx-100);
  margin-bottom:10px;
}
.cta-block p{font-size:15px;color:var(--tx-300);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:639px){
  .cta-block{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  border-top:1px solid rgba(217,168,91,.32);
  padding:56px 0 28px;
  margin-top:88px;
}
.footer-scale{
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(217,168,91,.55),transparent);
}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  margin-left:0;
  margin-right:0;
}
.footer-grid > .cell{
  flex:1 1 220px;
  width:auto;
  min-width:0;
}
.footer-grid > .cell:first-child{flex:2 1 320px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  line-height:1.9;
  color:var(--tx-500);
  max-width:430px;
}
.footer-title{
  font-size:14px;
  letter-spacing:.1em;
  color:var(--bronze);
  margin-bottom:16px;
}
.footer-list{
  display:grid;
  gap:10px;
  font-size:14px;
  color:var(--tx-300);
  line-height:1.7;
}
.footer-list a:hover{color:var(--bronze);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx-500);
}
@media (max-width:639px){
  .footer-grid > .cell,
  .footer-grid > .cell:first-child{flex:1 1 100%;}
  .site-footer{padding-top:40px;margin-top:64px;}
}

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

/* roulang page: category1 */
:root{
  --ink-950:#080C0E;
  --ink-900:#0F151A;
  --ink-800:#161F25;
  --ink-700:#1F2A31;
  --jade:#12A57F;
  --jade-hi:#17C497;
  --jade-deep:#0B7C5F;
  --bronze:#D9A85B;
  --tx-100:#F2F5F6;
  --tx-300:#A9B6BC;
  --tx-500:#6E7C84;
  --paper:#F6F2EA;
  --paper-2:#EFE7D8;
  --paper-3:#E3DCCF;
  --alert:#E4574C;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.07);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--tx-100);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--bronze);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--jade);color:#04211A;border-color:var(--jade)}
.btn-primary:hover{background:var(--jade-hi);border-color:var(--jade-hi);transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,165,127,.28);color:#04211A}
.btn-primary:active{background:var(--jade-deep);border-color:var(--jade-deep);transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--bronze);color:var(--bronze)}
.btn-ghost:hover{background:rgba(217,168,91,.12);color:var(--bronze);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.text-link{color:var(--bronze);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:var(--header-h);
  background:rgba(8,12,14,.94);
  border-bottom:1px solid var(--line);
}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:26px;height:26px;display:inline-block;position:relative;flex:0 0 auto;
  border:2px solid var(--jade);border-radius:4px;transform:rotate(45deg);
}
.brand-mark::after{content:"";position:absolute;inset:5px;background:var(--bronze);border-radius:1px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--tx-100)}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--bronze);margin-top:3px}
.desktop-nav{display:flex;align-items:center;gap:34px}
.desktop-nav a{
  position:relative;font-size:15px;color:var(--tx-300);padding:6px 0;height:44px;display:inline-flex;align-items:center;
}
.desktop-nav a:hover{color:var(--tx-100)}
.desktop-nav a.active{color:var(--tx-100);font-weight:600}
.desktop-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--bronze);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--ink-800);cursor:pointer;position:relative;
}
.menu-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--tx-100);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.menu-toggle span:nth-child(1){top:15px}
.menu-toggle span:nth-child(2){top:21px}
.menu-toggle span:nth-child(3){top:27px}

/* ---------- off canvas ---------- */
.oc-panel{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:360px;z-index:120;
  background:var(--ink-900);border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .26s var(--ease);
  padding:20px 22px 32px;overflow-y:auto;display:flex;flex-direction:column;
}
.oc-panel.is-open{transform:translateX(0)}
.oc-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.oc-head .brand-name{font-size:16px}
.oc-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--ink-800);
  color:var(--tx-100);font-size:20px;line-height:1;cursor:pointer;
}
.oc-nav{display:flex;flex-direction:column;margin-top:8px}
.oc-nav a{
  height:56px;display:flex;align-items:center;font-size:18px;color:var(--tx-300);
  border-bottom:1px solid var(--line);
}
.oc-nav a.active{color:var(--tx-100);font-weight:600}
.oc-nav a.active::before{content:"";width:2px;height:18px;background:var(--bronze);margin-right:12px;border-radius:2px}
.oc-cta{width:100%;margin-top:24px}
.oc-foot{margin-top:auto;padding-top:28px;font-size:13px;line-height:1.9;color:var(--tx-500)}
.oc-backdrop{
  position:fixed;inset:0;background:rgba(4,7,9,.66);z-index:110;opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
}
.oc-backdrop.is-open{opacity:1;pointer-events:auto}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(8,12,14,.96) 0%,rgba(8,12,14,.9) 52%,rgba(8,12,14,.82) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:340px;height:340px;
  background-image:repeating-linear-gradient(45deg,rgba(217,168,91,.14) 0 1px,transparent 1px 14px);
  opacity:.35;pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding-top:42px;padding-bottom:46px;min-height:280px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-500);margin-bottom:18px}
.breadcrumb a{color:var(--tx-300)}
.breadcrumb a:hover{color:var(--bronze)}
.breadcrumb .sep{color:var(--tx-500)}
.breadcrumb [aria-current]{color:var(--bronze)}
.page-banner h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.22;font-weight:700;letter-spacing:-.01em;
  max-width:760px;
}
.banner-lead{margin-top:16px;font-size:16px;line-height:1.8;color:var(--tx-300);max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(217,168,91,.45);color:var(--bronze);font-size:12px;letter-spacing:.06em;
}
.pill-solid{background:rgba(18,165,127,.14);border-color:rgba(18,165,127,.5);color:#6FE0BF}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:60;
  background:rgba(8,12,14,.97);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:10px;height:56px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);font-size:14px;color:var(--tx-300);white-space:nowrap;
  transition:all .2s var(--ease);
}
.anchor-pill:hover{color:var(--tx-100);border-color:rgba(217,168,91,.4)}
.anchor-pill.is-active{background:var(--jade);border-color:var(--jade);color:#04211A;font-weight:600}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-title{
  position:relative;padding-left:22px;font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700;
}
.sec-title::before{content:"";position:absolute;left:0;top:10px;width:2px;height:20px;background:var(--bronze);border-radius:2px}
.sec-sub{margin-top:14px;font-size:15px;line-height:1.85;color:var(--tx-300);max-width:640px}

/* ---------- library layout ---------- */
.library-layout{margin-top:0}
.library-aside{align-self:start}
.filter-panel{
  background:var(--ink-900);border:1px solid var(--line);border-radius:20px;padding:26px 22px;
  position:sticky;top:148px;
}
.filter-title{font-size:15px;font-weight:700;color:var(--tx-100);margin-bottom:6px}
.filter-note{font-size:13px;color:var(--tx-500);line-height:1.7;margin-bottom:22px}
.filter-group + .filter-group{margin-top:24px;padding-top:22px;border-top:1px dashed var(--ink-700)}
.filter-group h3{
  font-size:12px;letter-spacing:.12em;color:var(--tx-500);font-weight:600;margin-bottom:10px;
}
.filter-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;font-size:14px;color:var(--tx-300);
  border-left:2px solid transparent;transition:all .18s var(--ease);
}
.filter-list a:hover{background:var(--ink-800);color:var(--tx-100);border-left-color:rgba(217,168,91,.45)}
.filter-list a.is-current{background:var(--ink-800);color:var(--tx-100);border-left-color:var(--bronze);font-weight:600}
.filter-list .count{font-size:12px;color:var(--tx-500)}
.filter-cta{display:block;width:100%;margin-top:24px}

/* ---------- cards ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.channel-card{
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(217,168,91,.34);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.card-media{position:relative;display:block;overflow:hidden;background:var(--ink-700);aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.channel-card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:6px;
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.06em;
  background:rgba(8,12,14,.78);border:1px solid rgba(217,168,91,.55);color:var(--bronze);
}
.card-index{
  position:absolute;right:12px;top:12px;font-size:12px;letter-spacing:.1em;color:var(--bronze);
  font-family:"SFMono-Regular",Consolas,monospace;background:rgba(8,12,14,.6);
  padding:2px 8px;border-radius:6px;
}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--tx-100)}
.card-body h3 a:hover{color:var(--jade-hi)}
.card-desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--tx-300);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.card-meta{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--ink-700);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--tx-500);
}
.card-meta .text-link{font-size:13px}

/* ---------- feature strip ---------- */
.feature-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.feature-item{
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px 24px;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.feature-item:hover{border-color:rgba(217,168,91,.3);transform:translateY(-3px)}
.feature-num{
  display:inline-block;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;
  letter-spacing:.14em;color:var(--bronze);margin-bottom:16px;
}
.feature-item h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:10px}
.feature-item p{font-size:14px;line-height:1.8;color:var(--tx-300)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.steps li{
  position:relative;padding:28px 22px 24px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(22,31,37,.9),rgba(15,21,26,.9));
  border:1px solid var(--line);
}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;
  letter-spacing:.14em;color:var(--jade-hi);margin-bottom:14px;
}
.steps h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:8px}
.steps p{font-size:14px;line-height:1.8;color:var(--tx-300)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{
  background:var(--ink-800)!important;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;margin-bottom:16px;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-title{
  display:block;padding:20px 52px 20px 24px;font-size:17px;line-height:1.5;font-weight:600;
  color:var(--tx-100)!important;background:transparent!important;border:0;position:relative;
  transition:color .2s var(--ease);
}
.accordion-title:hover{color:var(--jade-hi)!important}
.accordion-title::before{
  content:"+";position:absolute!important;right:20px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;margin:0;color:var(--bronze);font-size:22px;line-height:1;
  background:none;border:0;transition:transform .22s var(--ease);
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.accordion-content{
  padding:0 24px 22px 24px!important;border:0!important;background:transparent!important;
  color:var(--tx-300);font-size:15px;line-height:1.85;
}
.accordion-content::before{content:"";display:block;width:2px;height:14px;background:var(--jade);margin-bottom:12px;border-radius:2px}

/* ---------- cta ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(8,12,14,.94),rgba(8,12,14,.78)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  min-height:220px;
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;max-width:520px}
.cta-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--tx-300);max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);margin-top:88px}
.footer-scale{height:2px;background:linear-gradient(90deg,transparent,var(--bronze),transparent);opacity:.7}
.footer-grid{padding:56px 0 40px;row-gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-about{font-size:14px;line-height:1.85;color:var(--tx-300);max-width:420px}
.footer-title{font-size:12px;letter-spacing:.14em;color:var(--bronze);margin-bottom:16px;font-weight:600}
.footer-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--tx-300)}
.footer-list a{color:var(--tx-300);display:inline-flex;align-items:center;min-height:26px}
.footer-list a:hover{color:var(--jade-hi)}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 26px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:13px;color:var(--tx-500);flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .desktop-nav{display:none}
  .menu-toggle{display:block}
  .filter-panel{position:static;top:auto}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:1fr}
  .anchor-bar{position:static}
  html{scroll-padding-top:90px}
  .section{padding:64px 0}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--header-h:60px}
  .brand-name{font-size:16px}
  .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .banner-inner{min-height:220px;padding-top:32px;padding-bottom:34px}
  .banner-lead{font-size:15px}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .channel-grid{grid-template-columns:1fr}
  .feature-strip{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sec-head{margin-bottom:28px}
  .footer-grid{padding:44px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .page-banner h1{font-size:26px}
  .anchor-inner{height:52px}
  .anchor-pill{height:34px;font-size:13px}
  .card-body{padding:18px 16px 16px}
  .cta-card{padding:32px 22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
      --ink-950:#080C0E;
      --ink-900:#0F151A;
      --ink-800:#161F25;
      --ink-700:#1F2A31;
      --teal:#12A57F;
      --teal-hover:#17C497;
      --teal-deep:#0B7C5F;
      --copper:#D9A85B;
      --tx-100:#F2F5F6;
      --tx-300:#A9B6BC;
      --tx-500:#6E7C84;
      --paper:#F6F2EA;
      --line:rgba(255,255,255,.08);
      --line-soft:rgba(255,255,255,.06);
      --r-xl:24px;
      --r-lg:20px;
      --r-md:16px;
      --r-sm:10px;
      --ease:cubic-bezier(.2,.7,.3,1);
      --shadow-hover:0 18px 40px rgba(0,0,0,.45);
    }

    *,*::before,*::after{box-sizing:border-box;}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
    body{
      margin:0;
      background:var(--ink-950);
      color:var(--tx-100);
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
      font-size:16px;
      line-height:1.85;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
    ul,ol{padding:0;list-style:none;}
    img{display:block;max-width:100%;height:auto;}
    a{color:inherit;text-decoration:none;}
    button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
    input{font:inherit;}

    .container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
    :focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px;}

    /* ---------- 按钮 ---------- */
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:44px;padding:0 24px;border-radius:var(--r-sm);
      font-size:15px;font-weight:600;line-height:1;
      border:1px solid transparent;
      transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
    }
    .btn-primary{background:var(--teal);color:#04120E;}
    .btn-primary:hover{background:var(--teal-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,165,127,.28);}
    .btn-primary:active{background:var(--teal-deep);transform:translateY(0);}
    .btn-ghost{background:transparent;border-color:rgba(217,168,91,.65);color:var(--copper);}
    .btn-ghost:hover{background:rgba(217,168,91,.12);border-color:var(--copper);}
    .btn-sm{height:38px;padding:0 18px;font-size:14px;}
    .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--copper);font-size:14px;font-weight:600;transition:color .2s var(--ease);}
    .link-arrow:hover{color:#EFC98A;text-decoration:underline;text-underline-offset:4px;}

    /* ---------- 顶部导航 ---------- */
    .site-header{
      position:sticky;top:0;z-index:90;
      background:rgba(8,12,14,.94);
      border-bottom:1px solid var(--line);
    }
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
    .brand{display:inline-flex;align-items:center;gap:12px;}
    .brand-mark{position:relative;width:26px;height:26px;flex:0 0 26px;border-radius:8px;
      background:linear-gradient(140deg,var(--teal),var(--teal-deep));transform:rotate(45deg);}
    .brand-mark::after{content:"";position:absolute;inset:7px;border:1px solid var(--copper);border-radius:3px;}
    .brand-text{display:flex;flex-direction:column;line-height:1.1;}
    .brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;}
    .brand-sub{font-size:11px;color:var(--copper);letter-spacing:.18em;margin-top:5px;}
    .main-nav{display:flex;align-items:center;gap:4px;}
    .main-nav a{
      position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:8px;
      font-size:15px;color:var(--tx-300);
      transition:color .2s var(--ease),background .2s var(--ease);
    }
    .main-nav a:hover{color:var(--tx-100);background:rgba(255,255,255,.05);}
    .main-nav a.active{color:var(--tx-100);font-weight:600;}
    .main-nav a.active::after{
      content:"";position:absolute;left:14px;right:14px;bottom:-16px;height:2px;border-radius:2px;background:var(--copper);
    }
    .header-actions{display:flex;align-items:center;gap:10px;}
    .icon-btn{
      display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;
      color:var(--tx-300);transition:color .2s var(--ease),background .2s var(--ease);
    }
    .icon-btn:hover{color:var(--tx-100);background:rgba(255,255,255,.06);}
    .menu-toggle{display:none;}

    /* ---------- 移动端抽屉 ---------- */
    .oc-drawer{
      position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;z-index:120;
      background:var(--ink-900);border-right:1px solid var(--line);
      padding:20px;overflow-y:auto;
      transform:translateX(-103%);
      transition:transform .24s var(--ease);
    }
    .oc-drawer.is-open{transform:translateX(0);}
    .oc-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line-soft);}
    .oc-nav{display:flex;flex-direction:column;margin-top:8px;}
    .oc-nav a{
      display:flex;align-items:center;min-height:56px;font-size:18px;color:var(--tx-300);
      border-bottom:1px solid var(--line-soft);transition:color .2s var(--ease);
    }
    .oc-nav a:hover{color:var(--tx-100);}
    .oc-nav a.active{color:var(--tx-100);font-weight:600;}
    .oc-cta{width:100%;margin-top:24px;}
    .oc-foot{margin-top:20px;font-size:13px;color:var(--tx-500);line-height:1.9;}
    .oc-mask{
      position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.58);
      opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
    }
    .oc-mask.is-open{opacity:1;visibility:visible;}
    body.oc-lock{overflow:hidden;}

    /* ---------- 页头横幅 ---------- */
    .page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);}
    .page-hero::before{
      content:"";position:absolute;inset:0;
      background:url("/assets/images/backpic/back-2.png") center right/cover no-repeat;
      filter:saturate(.85);
    }
    .page-hero::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(92deg,rgba(8,12,14,.97) 0%,rgba(8,12,14,.92) 46%,rgba(8,12,14,.6) 100%);
    }
    .page-hero-inner{
      position:relative;z-index:2;
      min-height:280px;display:flex;flex-direction:column;justify-content:center;
      padding:44px 0 46px;
    }
    .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-500);margin-bottom:18px;}
    .breadcrumb a{color:var(--tx-300);transition:color .2s var(--ease);}
    .breadcrumb a:hover{color:var(--copper);}
    .breadcrumb .sep{color:var(--tx-500);}
    .breadcrumb .now{color:var(--copper);}
    .hero-badge{
      display:inline-flex;align-items:center;height:28px;padding:0 14px;margin-bottom:18px;
      border:1px solid rgba(217,168,91,.6);border-radius:999px;
      font-size:12px;letter-spacing:.08em;color:var(--copper);width:fit-content;
    }
    .page-hero h1{
      font-size:clamp(30px,3.8vw,44px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
      max-width:880px;
    }
    .page-hero-sub{margin-top:14px;max-width:620px;font-size:15px;line-height:1.85;color:var(--tx-300);}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
    .pill{
      display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
      font-size:12px;letter-spacing:.06em;color:var(--tx-300);
      border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);
    }

    /* ---------- 锚点条 ---------- */
    .anchor-bar{
      position:sticky;top:72px;z-index:70;
      background:var(--ink-900);border-bottom:1px solid var(--line);
    }
    .anchor-inner{display:flex;align-items:center;gap:10px;height:56px;overflow-x:auto;scrollbar-width:none;}
    .anchor-inner::-webkit-scrollbar{display:none;}
    .anchor-inner a{
      flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
      font-size:14px;color:var(--tx-300);border:1px solid rgba(255,255,255,.1);
      transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
    }
    .anchor-inner a:hover{color:var(--tx-100);border-color:rgba(217,168,91,.6);}
    .anchor-inner a.active{background:var(--teal);border-color:var(--teal);color:#04120E;font-weight:600;}

    /* ---------- 通用板块 ---------- */
    .section{padding:88px 0;}
    .section-tight{padding:64px 0;}
    .sec-head{margin-bottom:44px;max-width:720px;}
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      font-size:12px;letter-spacing:.18em;color:var(--copper);text-transform:uppercase;margin-bottom:16px;
    }
    .eyebrow::before{content:"";display:inline-block;width:20px;height:2px;background:var(--copper);border-radius:2px;}
    .sec-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em;}
    .sec-head p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--tx-300);max-width:640px;}
    .sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}
    .sec-head--row .sec-head-note{font-size:14px;color:var(--tx-500);max-width:320px;}

    /* ---------- 概览 ---------- */
    .lead-section{padding-top:72px;}
    .lead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
    .lead-copy h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;font-weight:700;}
    .lead-copy p{margin-top:18px;font-size:16px;line-height:1.9;color:var(--tx-300);max-width:640px;}
    .lead-copy p + p{margin-top:14px;}
    .lead-side{
      background:var(--ink-900);border:1px solid var(--line);border-radius:var(--r-lg);
      padding:28px;
    }
    .lead-side h3{font-size:18px;font-weight:600;line-height:1.5;}
    .lead-side ul{margin-top:18px;display:grid;gap:14px;}
    .lead-side li{
      display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.75;color:var(--tx-300);
      padding-bottom:14px;border-bottom:1px dashed var(--ink-700);
    }
    .lead-side li:last-child{border-bottom:0;padding-bottom:0;}
    .lead-side li::before{
      content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;border-radius:1px;
      background:var(--copper);transform:rotate(45deg);
    }

    /* ---------- 数据条 ---------- */
    .stat-row{
      margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);
      border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--ink-900);
    }
    .stat-item{padding:26px 28px;border-right:1px solid var(--line-soft);}
    .stat-item:last-child{border-right:0;}
    .stat-num{
      font-size:34px;line-height:1.15;font-weight:700;color:var(--copper);
      font-variant-numeric:tabular-nums;letter-spacing:-.01em;
    }
    .stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--tx-300);}
    .stat-label{margin-top:8px;font-size:13px;color:var(--tx-500);line-height:1.7;}

    /* ---------- 专题错落卡片 ---------- */
    .feature-list{display:grid;gap:64px;}
    .feature-row{
      display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;
    }
    .feature-media{
      position:relative;overflow:hidden;border-radius:var(--r-xl);
      border:1px solid var(--line);background:var(--ink-800);
      transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
    }
    .feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
    .feature-media:hover{border-color:rgba(217,168,91,.5);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
    .feature-media:hover img{transform:scale(1.03);}
    .feature-index{
      position:absolute;top:16px;left:18px;z-index:2;
      font-size:12px;letter-spacing:.12em;color:var(--copper);
      background:rgba(8,12,14,.72);border:1px solid rgba(217,168,91,.5);border-radius:6px;
      padding:2px 10px;font-variant-numeric:tabular-nums;
    }
    .feature-body{min-width:0;}
    .feature-tag{
      display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:6px;
      border:1px solid rgba(217,168,91,.55);color:var(--copper);
      font-size:12px;letter-spacing:.08em;
    }
    .feature-body h3{margin-top:16px;font-size:clamp(20px,2.1vw,24px);line-height:1.45;font-weight:700;}
    .feature-body p{margin-top:12px;font-size:15px;line-height:1.9;color:var(--tx-300);max-width:520px;}
    .feature-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;}
    .feature-points span{
      display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:6px;
      font-size:12px;color:var(--tx-300);background:var(--ink-800);border:1px solid var(--line-soft);
    }
    .feature-meta{
      margin-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
      font-size:13px;color:var(--tx-500);font-variant-numeric:tabular-nums;
    }
    .feature-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--tx-500);}
    .feature-row.reverse .feature-media{order:2;}
    .feature-row.reverse .feature-body{order:1;}

    /* ---------- 标签区 ---------- */
    .tag-section{background:var(--ink-900);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
    .tag-cloud a{
      display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:999px;
      font-size:14px;color:var(--tx-300);border:1px solid rgba(255,255,255,.12);
      transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
    }
    .tag-cloud a:hover{color:var(--tx-100);border-color:rgba(217,168,91,.65);background:rgba(217,168,91,.1);transform:translateY(-2px);}

    /* ---------- FAQ ---------- */
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start;}
    .faq-item{
      background:var(--ink-800);border:1px solid var(--line-soft);border-radius:var(--r-md);
      overflow:hidden;transition:border-color .22s var(--ease);
    }
    .faq-item:hover{border-color:rgba(255,255,255,.16);}
    .faq-item.is-open{border-color:rgba(18,165,127,.45);}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:20px 24px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;color:var(--tx-100);
    }
    .faq-q .sign{
      flex:0 0 20px;width:20px;height:20px;position:relative;color:var(--copper);
      transition:transform .22s var(--ease);
    }
    .faq-q .sign::before,.faq-q .sign::after{
      content:"";position:absolute;background:currentColor;border-radius:2px;
    }
    .faq-q .sign::before{left:0;right:0;top:9px;height:2px;}
    .faq-q .sign::after{top:0;bottom:0;left:9px;width:2px;}
    .faq-item.is-open .sign{transform:rotate(45deg);}
    .faq-a{
      display:none;padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--tx-300);
    }
    .faq-a::before{
      content:"";display:block;height:1px;background:var(--line-soft);margin-bottom:16px;
    }
    .faq-item.is-open .faq-a{display:block;}

    /* ---------- 页尾 CTA ---------- */
    .cta-wrap{padding:0 0 88px;}
    .cta-card{
      position:relative;overflow:hidden;border-radius:var(--r-xl);
      min-height:240px;display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(255,255,255,.1);
      padding:48px 32px;text-align:center;
    }
    .cta-card::before{
      content:"";position:absolute;inset:0;
      background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    }
    .cta-card::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(8,12,14,.82),rgba(8,12,14,.94));
    }
    .cta-inner{position:relative;z-index:2;max-width:560px;}
    .cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:700;}
    .cta-inner p{margin-top:12px;font-size:15px;color:var(--tx-300);}
    .cta-actions{margin-top:24px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

    /* ---------- 页脚 ---------- */
    .site-footer{
      position:relative;background:var(--ink-900);
      border-top:1px solid rgba(217,168,91,.25);
      padding:64px 0 24px;
    }
    .footer-scale{
      position:absolute;top:0;left:0;right:0;height:2px;
      background:linear-gradient(90deg,transparent,rgba(217,168,91,.75),transparent);
    }
    .footer-grid{row-gap:40px;}
    .footer-brand{display:inline-flex;align-items:center;gap:12px;}
    .footer-about{margin-top:18px;font-size:14px;line-height:1.9;color:var(--tx-300);max-width:420px;}
    .footer-title{font-size:12px;letter-spacing:.16em;color:var(--copper);margin-bottom:16px;}
    .footer-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--tx-300);}
    .footer-list a{transition:color .2s var(--ease);}
    .footer-list a:hover{color:var(--copper);}
    .footer-bottom{
      margin-top:48px;padding-top:20px;border-top:1px solid var(--line-soft);
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
      font-size:13px;color:var(--tx-500);
    }

    /* ---------- 响应式 ---------- */
    @media (max-width:1023px){
      .container{padding:0 24px;}
      .main-nav{display:none;}
      .menu-toggle{display:inline-flex;}
      .section{padding:64px 0;}
      .lead-grid{grid-template-columns:1fr;gap:32px;}
      .stat-row{grid-template-columns:repeat(2,1fr);}
      .stat-item:nth-child(2){border-right:0;}
      .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-soft);}
      .feature-list{gap:48px;}
      .feature-row{grid-template-columns:1fr;gap:24px;}
      .feature-row.reverse .feature-media{order:0;}
      .feature-row.reverse .feature-body{order:0;}
      .faq-grid{grid-template-columns:1fr;}
      .anchor-bar{position:static;}
      .page-hero-inner{min-height:220px;padding:36px 0 38px;}
      .cta-wrap{padding-bottom:64px;}
    }
    @media (max-width:639px){
      .container{padding:0 18px;}
      .header-inner{height:64px;gap:12px;}
      .brand-name{font-size:15px;}
      .brand-sub{font-size:10px;letter-spacing:.14em;}
      .header-actions .btn-sm{display:none;}
      .section{padding:52px 0;}
      .lead-section{padding-top:48px;}
      .page-hero h1{font-size:28px;}
      .page-hero-sub{font-size:14px;}
      .sec-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
      .stat-row{margin-top:40px;}
      .stat-item{padding:20px 18px;}
      .stat-num{font-size:28px;}
      .feature-media img{border-radius:var(--r-lg);}
      .feature-body h3{font-size:20px;}
      .faq-q{font-size:16px;padding:18px 18px;}
      .faq-a{padding:0 18px 20px 18px;}
      .cta-card{padding:36px 20px;min-height:220px;}
      .cta-actions .btn{width:100%;}
      .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
    }
    @media (prefers-reduced-motion:reduce){
      *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
      .feature-media:hover,.tag-cloud a:hover{transform:none;}
    }