/* roulang page: index */
:root{
  --red:#C8102E;
  --red-dark:#8E0A1F;
  --red-light:#F7E3E6;
  --ink:#14100F;
  --ink-2:#221B1A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6DFD5;
  --text:#2A2622;
  --muted:#6E665E;
  --gold:#B98A3C;
  --slate:#4A5560;
  --radius:14px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,16,15,.06);
  --shadow-2:0 12px 28px -12px rgba(20,16,15,.20);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--red);text-decoration:none;transition:color .18s ease,background .18s ease,opacity .18s ease;}
a:hover{color:var(--red-dark);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(200,16,46,.65);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost-light{background:#fff;color:var(--ink);border-color:#fff;}
.btn-ghost-light:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-2px);}
.btn-line-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-line-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:68px;
  background:#14100F;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{height:56px;box-shadow:0 10px 26px -18px rgba(0,0,0,.9);border-bottom:1px solid rgba(255,255,255,.14);}
.header-inner{display:flex;align-items:center;gap:26px;height:100%;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:34px;flex:0 0 auto;
  background:repeating-linear-gradient(90deg,var(--red) 0 7px,#14100F 7px 14px);
  border-radius:6px 6px 15px 15px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.logo-text{display:flex;flex-direction:column;line-height:1.08;}
.logo-text b{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em;}
.logo-text i{font-style:normal;font-size:12px;font-weight:500;color:rgba(255,255,255,.68);}
.main-nav{display:flex;align-items:center;gap:26px;margin-right:auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.76);padding:4px 0;}
.nav-link:hover{color:#fff;}
.nav-link.active{color:#fff;font-weight:700;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-15px;height:3px;background:var(--red);border-radius:2px;}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.link-quiet{font-size:14px;color:rgba(255,255,255,.66);}
.link-quiet:hover{color:#fff;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1.5px solid rgba(255,255,255,.3);background:transparent;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{border-color:rgba(255,255,255,.6);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,15,.62);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;width:82vw;max-width:340px;height:100%;
  background:#14100F;z-index:100;display:flex;flex-direction:column;
  padding:20px;border-right:1px solid rgba(255,255,255,.1);
  transform:translateX(-100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:40px;height:40px;border-radius:50%;background:transparent;padding:0;
  border:1.5px solid rgba(255,255,255,.32);color:#fff;font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer nav a{
  display:flex;align-items:center;height:52px;font-size:16px;
  color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer nav a.active{color:#fff;font-weight:700;}
.drawer nav a.active::before{content:"";width:3px;height:18px;background:var(--red);border-radius:2px;margin-right:12px;}
.drawer-cta{margin-top:26px;}
.drawer-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.45);line-height:1.8;}

/* ---------- Hero ---------- */
.hero{position:relative;background:#14100F;color:#fff;padding:76px 0 68px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(20,16,15,.80),rgba(20,16,15,.72)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--red) 0 14px,#14100F 14px 28px);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--gold);font-weight:700;margin-bottom:16px;text-transform:uppercase;
}
.hero-kicker::before{content:"";width:26px;height:2px;background:var(--gold);display:block;}
.hero-title{font-size:clamp(34px,5vw,54px);line-height:1.2;font-weight:900;color:#fff;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.badge-pill{
  border:1px solid rgba(255,255,255,.24);border-radius:999px;
  padding:7px 16px;font-size:13px;color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);background:#221B1A;aspect-ratio:16/10;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media .media-index{
  position:absolute;right:14px;bottom:12px;padding:4px 12px;border-radius:999px;
  font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.9);
  background:rgba(20,16,15,.62);border:1px solid rgba(255,255,255,.18);
}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.3;}
.section-desc{margin:0;color:var(--muted);font-size:15px;max-width:680px;}
.link-more{font-size:15px;font-weight:600;color:var(--red);white-space:nowrap;}
.link-more:hover{color:var(--red-dark);text-decoration:underline;}

/* ---------- 徽章 / 元信息 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--red-light);color:var(--red);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding-top:16px;}
.card-meta time,.card-meta span{font-size:13px;color:var(--slate);}
.card-arrow{font-size:14px;font-weight:600;color:var(--red);}
.card-arrow:hover{color:var(--red-dark);text-decoration:underline;}

/* ---------- 资讯列表 ---------- */
.news-wrap{display:block;}
.lead-card{
  display:grid;grid-template-columns:2fr 3fr;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;margin-bottom:24px;
}
.lead-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.lead-card__media{display:block;min-height:320px;background:#ECE6DC;overflow:hidden;}
.lead-card__media img{width:100%;height:100%;object-fit:cover;}
.lead-card__body{padding:34px;display:flex;flex-direction:column;}
.lead-card__title{font-size:24px;font-weight:800;line-height:1.42;margin:16px 0 12px;}
.lead-card__title a{color:var(--ink);}
.lead-card__title a:hover{color:var(--red);}
.lead-card__desc{font-size:15px;color:var(--muted);line-height:1.85;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.sub-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.sub-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#d9cfc0;}
.sub-card__thumb{width:126px;height:104px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:#ECE6DC;}
.sub-card__thumb img{width:100%;height:100%;object-fit:cover;}
.sub-card__body{display:flex;flex-direction:column;min-width:0;flex:1 1 auto;}
.sub-card__title{font-size:16px;font-weight:700;line-height:1.5;margin:10px 0 8px;}
.sub-card__title a{color:var(--ink);}
.sub-card__title a:hover{color:var(--red);}
.sub-card__desc{font-size:14px;color:var(--muted);line-height:1.8;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--card);
  padding:56px 24px;text-align:center;
}
.empty-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;border:2px solid var(--line);position:relative;}
.empty-icon::before{content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--red);transform:translate(-50%,-50%);}
.empty-icon::after{content:"";position:absolute;left:50%;top:50%;width:2px;height:20px;background:var(--red);transform:translate(-50%,-50%);}
.empty-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.empty-text{font-size:14px;color:var(--muted);margin-bottom:22px;}

/* ---------- 品牌主张 ---------- */
.story{background:#F7F4EF;padding:88px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.story-grid{display:grid;grid-template-columns:3fr 2fr;gap:60px;align-items:start;}
.story-num{font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--gold);margin-bottom:14px;}
.story-title{font-size:clamp(26px,3.2vw,34px);font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:22px;}
.story-body p{font-size:16.5px;line-height:1.95;color:#3b352f;margin-bottom:18px;}
.story-body p:last-child{margin-bottom:0;}
.story-list{margin-top:26px;border-top:1px solid var(--line);}
.story-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;color:#3b352f;}
.story-list li b{color:var(--red);font-weight:700;flex:0 0 auto;font-variant-numeric:tabular-nums;}
.story-figure{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/5;background:#ECE6DC;border:1px solid var(--line);}
.story-figure img{width:100%;height:100%;object-fit:cover;}
.story-figure::after{
  content:"";position:absolute;right:0;bottom:0;width:104px;height:76px;
  background:repeating-linear-gradient(90deg,var(--red) 0 10px,#14100F 10px 20px);
  opacity:.92;
}

/* ---------- 精选内容 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.pick-lg{
  grid-column:span 7;position:relative;min-height:360px;border-radius:var(--radius);
  overflow:hidden;background:#ECE6DC;border:1px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease;display:block;
}
.pick-lg:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.pick-lg img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.pick-lg__mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(20,16,15,.9) 6%,rgba(20,16,15,.16) 62%);}
.pick-lg__body{position:absolute;left:0;right:0;bottom:0;padding:30px;color:#fff;}
.pick-lg__body h3{font-size:22px;font-weight:800;margin:12px 0 10px;color:#fff;line-height:1.4;}
.pick-lg__body p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.8;}
.pick-sm-col{grid-column:span 5;display:grid;gap:18px;align-content:start;}
.pick-sm{
  display:grid;grid-template-columns:128px 1fr;gap:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.pick-sm:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.pick-sm__thumb{border-radius:10px;overflow:hidden;background:#ECE6DC;height:96px;}
.pick-sm__thumb img{width:100%;height:100%;object-fit:cover;}
.pick-sm__body h3{font-size:16px;font-weight:700;line-height:1.5;margin:8px 0 6px;color:var(--ink);}
.pick-sm__body p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 信任背书 ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{padding:26px 22px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);}
.stat-num{font-size:40px;font-weight:900;color:var(--red);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px;}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;margin-top:56px;}
.timeline::before{content:"";position:absolute;top:8px;left:0;right:0;height:1px;background:var(--line);}
.tl-item{position:relative;padding-top:34px;}
.tl-dot{position:absolute;top:2px;left:0;width:14px;height:14px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px #fff,0 0 0 5px var(--line);}
.tl-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.tl-text{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:#d6cbb9;box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:0 22px;background:transparent;border:0;text-align:left;
  font-size:18px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--red);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--red);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.9;}
.faq-a-inner{background:#F7F4EF;margin:0 12px 12px;border-radius:10px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:56px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(20,16,15,.88),rgba(20,16,15,.88)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.9;
}
.cta-band .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-form{display:flex;gap:12px;flex:0 0 auto;}
.cta-form input{
  height:48px;width:280px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{border-color:var(--red);background:rgba(255,255,255,.12);outline:none;}
.form-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px;}
.form-error{font-size:13px;color:#FFB3B8;margin-top:10px;display:none;}
.form-error.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text b{font-size:16px;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links a{display:block;font-size:14px;color:rgba(255,255,255,.62);line-height:2.2;}
.footer-links a:hover{color:#fff;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .story{padding:64px 0;}
  .hero-grid{gap:36px;}
  .main-nav{gap:20px;}
  .lead-card__body{padding:28px;}
}
@media (max-width:991px){
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero{padding:56px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;}
  .hero-title{font-size:clamp(30px,6vw,40px);}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-figure{aspect-ratio:16/9;}
  .pick-lg{grid-column:span 12;min-height:320px;}
  .pick-sm-col{grid-column:span 12;}
  .stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .timeline{grid-template-columns:1fr;gap:18px;margin-top:40px;}
  .timeline::before{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .lead-card{grid-template-columns:1fr;}
  .lead-card__media{min-height:230px;}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
  .cta-form{width:100%;}
  .cta-form input{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .story{padding:48px 0;}
  .hero{padding:44px 0 40px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .badge-pill{font-size:12px;padding:6px 13px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .sub-card{flex-direction:column;}
  .sub-card__thumb{width:100%;height:170px;}
  .pick-sm{grid-template-columns:1fr;}
  .pick-sm__thumb{height:180px;}
  .stats{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:0 16px;}
  .faq-a p{padding:0 16px 18px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
  .footer-desc{max-width:100%;}
}
@media (max-width:480px){
  .hero::after{height:3px;}
  .lead-card__body{padding:22px;}
  .pick-lg__body{padding:20px;}
}

/* roulang page: article */
:root{
  --red:#C8102E;
  --red-dark:#8E0A1F;
  --red-soft:#F7E3E6;
  --ink:#14100F;
  --ink-2:#221B1A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6DFD5;
  --text:#2A2622;
  --muted:#6E665E;
  --gold:#B98A3C;
  --slate:#4A5560;
  --radius:14px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow-1:0 1px 2px rgba(20,16,15,.06);
  --shadow-2:0 12px 28px -12px rgba(20,16,15,.20);
  --pad-x:32px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--red);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--red-dark)}
h1,h2,h3,h4{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x)}
.stripe{height:4px;background:repeating-linear-gradient(135deg,var(--red) 0 8px,var(--ink) 8px 16px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:300;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:#0E0B0A}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:68px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:56px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex:none}
.logo-mark{
  width:28px;height:32px;flex:none;
  background:repeating-linear-gradient(90deg,var(--red) 0 6px,#3A0B14 6px 12px);
  clip-path:polygon(50% 0,100% 22%,100% 78%,50% 100%,0 78%,0 22%);
  border:1px solid rgba(255,255,255,.22);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text b{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.logo-text i{font-style:normal;font-size:12px;color:var(--gold);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.72);border-radius:8px;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--red);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.link-quiet{font-size:14px;color:rgba(255,255,255,.72)}
.link-quiet:hover{color:#fff}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:transparent;cursor:pointer;padding:0;flex:none;
}
.nav-toggle span{display:block;width:16px;height:2px;background:#fff;border-radius:2px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-xs);
  font-size:15.5px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(200,16,46,.55)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.03em;
}
.badge-soft{background:var(--red-soft);color:var(--red-dark);border:1px solid rgba(200,16,46,.18)}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}
.badge-gold{background:transparent;color:var(--gold);border:1px solid rgba(185,138,60,.5)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:#fff;
  background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,15,.86) 0%,rgba(20,16,15,.95) 100%);
}
.article-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:48px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.34)}
.breadcrumb .current{color:rgba(255,255,255,.58);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:22px;max-width:880px}
.article-title{
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:900;color:#fff;
  margin:16px 0 18px;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:rgba(255,255,255,.66)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.34);display:inline-block}
.meta-num{font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:44px;padding:52px 0 var(--gap-section);
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 38px;box-shadow:var(--shadow-1);
}
.cover-figure{margin:0 0 30px;border-radius:var(--radius-sm);overflow:hidden;background:#ECE6DC;border:1px solid var(--line)}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- article body ---------- */
.article-body{max-width:780px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;font-size:16.5px;line-height:1.9;color:var(--text)}
.article-body h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:800;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--red);
}
.article-body h3{font-size:21px;line-height:1.4;font-weight:700;margin:28px 0 12px}
.article-body h4{font-size:18px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.5em;line-height:1.85}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--red);
  background:#FBF6F1;border-radius:0 var(--radius-xs) var(--radius-xs) 0;color:var(--slate);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-xs);margin:22px 0;width:100%;object-fit:cover}
.article-body a{text-decoration:underline}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius-xs);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:#F4EFE7;color:var(--ink);font-weight:700}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:32px 0}

.article-empty{
  text-align:center;padding:36px 20px 44px;border:1px dashed var(--line);border-radius:var(--radius-sm);background:#FCFAF6;
}
.article-empty h2{font-size:24px;margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.06em}
.tag{
  padding:6px 14px;border-radius:999px;background:#F4EFE7;border:1px solid var(--line);
  font-size:13px;color:var(--text);
}
.tag:hover{background:var(--red-soft);border-color:rgba(200,16,46,.24);color:var(--red-dark)}

/* ---------- related ---------- */
.related-block{margin-top:56px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.block-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:800}
.block-head .head-sub{font-size:13.5px;color:var(--muted)}
.text-link{font-size:14px;font-weight:600;color:var(--red)}
.text-link:hover{text-decoration:underline}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DDD3C5}
.related-thumb{background:#ECE6DC;aspect-ratio:16/9;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:16.5px;line-height:1.45;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--slate)}
.arrow-link{font-weight:700;font-size:13px;color:var(--red)}
.arrow-link::after{content:"→";margin-left:6px;transition:margin .18s ease}
.related-card:hover .arrow-link::after{margin-left:10px}

.back-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1)}
.side-title{font-size:15px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:16px;background:var(--red);border-radius:2px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;font-size:14.5px;color:var(--text);border-bottom:1px dashed var(--line);
}
.toc-list a:last-child{border-bottom:none}
.toc-list a:hover{color:var(--red);padding-left:4px}
.toc-list a span{font-size:12px;color:var(--slate)}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-item{display:flex;gap:12px;align-items:flex-start}
.hot-idx{
  flex:none;width:22px;height:22px;border-radius:6px;background:var(--red-soft);color:var(--red-dark);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:3px;
  font-variant-numeric:tabular-nums;
}
.hot-item h4{font-size:14.5px;font-weight:600;line-height:1.5}
.hot-item p{font-size:12.5px;color:var(--muted);margin-top:4px}
.side-note{
  background:var(--ink);color:rgba(255,255,255,.78);border-radius:var(--radius);padding:22px;
  border:1px solid rgba(255,255,255,.10);
}
.side-note h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:8px}
.side-note p{font-size:13.5px;line-height:1.75;margin-bottom:16px}

/* ---------- faq ---------- */
.faq-section{padding:0 0 var(--gap-section)}
.section-head{max-width:720px;margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.16em;color:var(--red-dark);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--red)}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px 26px;box-shadow:var(--shadow-1)}
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{border-bottom:1px solid var(--line)}
.accordion .accordion-item:last-child{border-bottom:none}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0;min-height:56px;font-size:16.5px;font-weight:700;color:var(--ink);
  border:none;background:transparent;line-height:1.5;
}
.accordion .accordion-title:hover{color:var(--red)}
.accordion .accordion-title::before{display:none}
.accordion .accordion-title::after{
  content:"";flex:none;width:14px;height:14px;
  background:
    linear-gradient(var(--red),var(--red)) center/14px 2px no-repeat,
    linear-gradient(var(--red),var(--red)) center/2px 14px no-repeat;
  transition:transform .18s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{
  transform:rotate(45deg);
}
.accordion .accordion-content{
  display:none;padding:0 0 20px;border:none;background:transparent;color:var(--muted);font-size:15px;line-height:1.85;
}
.accordion .accordion-content p{margin:0 0 .8em}
.accordion .accordion-content p:last-child{margin-bottom:0}
.accordion .accordion-item.is-active .accordion-content{display:block}

/* ---------- cta ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--radius);color:#fff;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,0.92fr);
  gap:32px;align-items:center;padding:44px 44px;position:relative;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:repeating-linear-gradient(180deg,var(--red) 0 10px,#3A0B14 10px 20px);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.32;font-weight:800}
.cta-band p{color:rgba(255,255,255,.74);margin-top:12px;font-size:15px;line-height:1.8}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-xs);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-size:15px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 2px rgba(200,16,46,.45)}
.cta-hint{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:var(--gap-section);border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--pad-x:24px;--gap-section:64px}
  .container{max-width:1080px}
  .article-layout{gap:32px}
  .related-grid{gap:16px}
}
@media (max-width:991px){
  :root{--pad-x:24px}
  .header-inner{height:64px}
  .main-nav{
    position:fixed;top:0;left:0;height:100vh;width:82vw;max-width:340px;
    background:var(--ink-2);flex-direction:column;align-items:stretch;gap:0;
    padding:80px 22px 90px;margin:0;transform:translateX(-105%);
    transition:transform .25s ease;z-index:400;overflow-y:auto;
    border-right:1px solid rgba(255,255,255,.10);
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{line-height:52px;padding:0 4px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav-link:hover{background:transparent}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--red)}
  .nav-toggle{display:flex}
  .header-actions .link-quiet{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:40px}
  .side-sticky{position:static}
  .article-card{padding:26px 22px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:34px 28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:48px 0 32px}
}
@media (max-width:767px){
  :root{--pad-x:18px;--gap-section:48px}
  body{font-size:15.5px}
  .article-hero .container{padding-top:24px;padding-bottom:36px}
  .article-meta{font-size:12.5px}
  .article-card{padding:22px 18px}
  .article-body p{font-size:16px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .btn-block-mobile{width:100%}
  .faq-wrap{padding:4px 18px}
  .accordion .accordion-title{font-size:15.5px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .breadcrumb .current{white-space:normal;max-width:100%}
}
@media (max-width:479px){
  .article-title{font-size:24px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18.5px}
}

/* roulang page: category1 */
:root{
  --red:#C8102E;
  --red-dark:#8E0A1F;
  --red-soft:#F7E3E6;
  --ink:#14100F;
  --ink-2:#221B1A;
  --bg:#F7F4EF;
  --bg-alt:#F1ECE3;
  --card:#FFFFFF;
  --line:#E6DFD5;
  --text:#2A2622;
  --muted:#6E665E;
  --gold:#B98A3C;
  --slate:#4A5560;
  --rad:14px;
  --rad-sm:12px;
  --rad-xs:10px;
  --shadow:0 1px 2px rgba(20,16,15,.06);
  --shadow-hover:0 12px 28px -12px rgba(20,16,15,.20);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--red);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--red-dark);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-white{background:var(--card);}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:12px;}
.section-sub{color:var(--muted);font-size:16px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--gold);margin-bottom:12px;text-transform:uppercase;}
.stripe{display:block;height:4px;background:repeating-linear-gradient(135deg,var(--red) 0 10px,var(--ink) 10px 20px);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.06);transition:background-color .2s ease;}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled{background:#100C0B;box-shadow:0 1px 0 rgba(255,255,255,.08);}
.site-header.is-scrolled .header-inner{height:56px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:34px;flex:0 0 30px;display:block;
  background:repeating-linear-gradient(135deg,var(--red) 0 6px,#1B1514 6px 12px);
  clip-path:polygon(0 0,100% 0,100% 70%,50% 100%,0 70%);
  transition:height .2s ease,width .2s ease;
}
.site-header.is-scrolled .logo-mark{width:26px;height:30px;flex-basis:26px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em;}
.logo-text i{font-style:normal;font-size:12px;font-weight:600;color:rgba(255,255,255,.6);letter-spacing:.12em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;color:rgba(255,255,255,.72);font-size:15px;font-weight:600;padding:8px 12px;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-link:hover{color:#fff;}
.nav-link.active{color:#fff;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:12px;}
.link-quiet{color:rgba(255,255,255,.68);font-size:14px;font-weight:500;}
.link-quiet:hover{color:#fff;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.22);border-radius:var(--rad-xs);background:transparent;position:relative;margin-left:auto;cursor:pointer;padding:0;}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:#fff;transition:transform .2s ease;}
.nav-toggle span:nth-child(1){top:16px;}
.nav-toggle span:nth-child(2){top:25px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--rad-xs);font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 16px -10px rgba(200,16,46,.9);}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(200,16,46,.95);}
.btn-primary:active{transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline-light:hover{background:#fff;border-color:#fff;color:var(--ink);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#fff;color:var(--red);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}

/* ---------- 徽章 ---------- */
.chip{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;background:var(--red-soft);color:var(--red-dark);border:1px solid #EFC9D0;letter-spacing:.02em;}
.chip-dark{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.18);}
.chip-ok{background:#E7F4EC;color:#1B6B40;border-color:#C6E6D3;}
.chip-warn{background:#FBF1DF;color:#8A6520;border-color:#EEDCB6;}
.chip-slate{background:#EDF0F2;color:var(--slate);border-color:#DCE2E7;}
.pulse{width:8px;height:8px;border-radius:50%;background:#3FBF75;display:inline-block;box-shadow:0 0 0 0 rgba(63,191,117,.6);animation:pulse 2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(63,191,117,.55);}
  70%{box-shadow:0 0 0 8px rgba(63,191,117,0);}
  100%{box-shadow:0 0 0 0 rgba(63,191,117,0);}
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:56px 0 60px;
  overflow:hidden;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,16,15,.96) 0%,rgba(20,16,15,.84) 48%,rgba(20,16,15,.64) 100%);}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero .stripe{position:absolute;left:0;right:0;bottom:0;z-index:3;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb-current{color:#fff;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;align-items:center;}
.cat-hero h1{font-size:clamp(30px,4.2vw,46px);font-weight:900;color:#fff;letter-spacing:-.01em;margin:16px 0 16px;max-width:16em;}
.hero-lead{font-size:17.5px;color:rgba(255,255,255,.82);max-width:34em;margin-bottom:24px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:13px;color:rgba(255,255,255,.85);}
.fact b{color:#fff;font-weight:700;}

.status-card{
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--rad);
  background:rgba(255,255,255,.055);
  padding:22px 24px 20px;
}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.status-time{font-size:13px;color:rgba(255,255,255,.6);}
.status-title{font-size:20px;color:#fff;font-weight:700;margin-bottom:8px;}
.status-text{font-size:14.5px;color:rgba(255,255,255,.74);line-height:1.75;}
.status-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);}
.status-stats div{display:flex;flex-direction:column;gap:2px;}
.status-stats b{font-family:system-ui,"Segoe UI",sans-serif;font-size:22px;font-weight:900;color:#fff;letter-spacing:-.02em;}
.status-stats span{font-size:12.5px;color:rgba(255,255,255,.6);}

/* ---------- 步骤 ---------- */
.step-list{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px;border-top:1px solid var(--line);}
.step-item{display:flex;gap:22px;padding:30px 0;border-bottom:1px solid var(--line);}
.step-num{font-family:system-ui,"Segoe UI",sans-serif;font-size:40px;font-weight:900;line-height:1;color:var(--gold);letter-spacing:-.03em;min-width:58px;}
.step-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.step-body p{font-size:15.5px;color:var(--muted);line-height:1.8;}

/* ---------- 线路列表 ---------- */
.line-list{border:1px solid var(--line);border-radius:var(--rad);background:var(--card);overflow:hidden;box-shadow:var(--shadow);}
.line-row{display:grid;grid-template-columns:190px 140px minmax(0,1fr);gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center;}
.line-row:last-child{border-bottom:none;}
.line-head{background:#EAE3D8;padding:14px 24px;font-size:13px;font-weight:700;color:var(--slate);letter-spacing:.08em;}
.line-name{font-weight:700;font-size:16px;}
.line-desc{font-size:15px;color:var(--muted);}
.line-note{margin-top:18px;font-size:14px;color:var(--slate);}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.split-media{position:relative;border-radius:var(--rad);overflow:hidden;background:#ECE6DC;box-shadow:var(--shadow-hover);}
.split-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}
.split-media::after{content:"";position:absolute;right:0;bottom:0;width:92px;height:92px;background:repeating-linear-gradient(135deg,var(--red) 0 9px,var(--ink) 9px 18px);opacity:.92;}
.split-body h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:16px;}
.split-body > p{color:var(--muted);margin-bottom:24px;}

/* ---------- 勾选清单 ---------- */
.check-list{list-style:none;}
.check-list li{position:relative;padding-left:32px;margin-bottom:14px;font-size:15.5px;color:var(--text);}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:8px;border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(-45deg);}
.check-list li span{color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:56px;align-items:start;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--line);}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-36px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--red);border:3px solid var(--bg);}
.tl-date{font-family:system-ui,"Segoe UI",sans-serif;font-size:13px;font-weight:700;color:var(--slate);letter-spacing:.04em;}
.tl-text{margin-top:4px;font-size:15.5px;color:var(--muted);}
.tl-title{font-size:16px;font-weight:700;color:var(--text);margin-top:2px;}
.side-photo{position:relative;border-radius:var(--rad);overflow:hidden;background:#ECE6DC;box-shadow:var(--shadow-hover);}
.side-photo img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;}
.side-caption{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(20,16,15,.82);color:#fff;font-size:13.5px;padding:12px 14px;border-radius:var(--rad-xs);line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-accordion{background:transparent;border:none;margin:0;}
.faq-accordion .accordion-item{border:1px solid var(--line);border-radius:var(--rad-xs);background:var(--card);margin-bottom:12px;overflow:hidden;}
.faq-accordion .accordion-title{
  height:56px;display:flex;align-items:center;
  padding:0 56px 0 22px;
  font-size:18px;font-weight:700;color:var(--text);
  border:none;background:transparent;position:relative;
  line-height:1.4;
}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;background:var(--red);
  transform:translateY(-50%);transition:transform .18s ease;
}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;background:var(--red);
  transform:translateY(-50%);transition:transform .18s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--red-dark);}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-accordion .accordion-content{
  padding:18px 22px 22px;background:#F2EDE5;border:none;
  color:var(--muted);font-size:15.5px;line-height:1.85;border-radius:0 0 var(--rad-xs) var(--rad-xs);
}
.faq-accordion .accordion-content p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;border-radius:16px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{content:"01";position:absolute;right:28px;top:-24px;font-family:system-ui,"Segoe UI",sans-serif;font-size:180px;font-weight:900;color:rgba(255,255,255,.06);line-height:1;pointer-events:none;}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.74);font-size:15.5px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34em;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(10,8,7,.62);opacity:0;transition:opacity .25s ease;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;bottom:0;left:0;width:82vw;max-width:340px;
  background:var(--ink);padding:20px 20px 24px;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .25s ease;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1.5px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;padding:0;}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{display:flex;align-items:center;height:52px;color:rgba(255,255,255,.8);font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer-nav a:hover{color:#fff;}
.drawer-nav a.active{color:#fff;border-left:3px solid var(--red);padding-left:12px;}
.drawer-foot{margin-top:auto;padding-top:22px;}
.drawer-foot .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .split,.timeline-wrap{gap:40px;}
  .footer-grid{gap:36px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .timeline-wrap{grid-template-columns:minmax(0,1fr);gap:36px;}
  .step-list{grid-template-columns:minmax(0,1fr);column-gap:0;}
  .line-row{grid-template-columns:160px 130px minmax(0,1fr);gap:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .cat-hero{padding:40px 0 48px;}
  .cat-hero h1{font-size:clamp(27px,7vw,34px);}
  .hero-lead{font-size:16px;}
  .status-stats{grid-template-columns:1fr 1fr;}
  .line-head{display:none;}
  .line-row{grid-template-columns:minmax(0,1fr);gap:8px;padding:20px 18px;}
  .line-row .line-name{font-size:16.5px;}
  .split-media::after{width:64px;height:64px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band::before{font-size:130px;right:12px;}
}
@media (max-width:479px){
  .cta-band::before{display:none;}
  .step-num{font-size:32px;min-width:46px;}
  .faq-accordion .accordion-title{font-size:16.5px;padding-right:48px;}
  .status-stats{grid-template-columns:1fr 1fr;gap:10px;}
}

/* roulang page: category2 */
:root{
  --red:#C8102E;
  --red-dark:#8E0A1F;
  --red-soft:#F7E3E6;
  --ink:#14100F;
  --ink-2:#221B1A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6DFD5;
  --text:#2A2622;
  --muted:#6E665E;
  --gold:#B98A3C;
  --slate:#4A5560;
  --img-bg:#ECE6DC;
  --radius:14px;
  --radius-sm:12px;
  --radius-input:10px;
  --shadow:0 1px 2px rgba(20,16,15,.06);
  --shadow-hover:0 12px 28px -12px rgba(20,16,15,.20);
  --container:1200px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--red);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--red-dark)}
button{font:inherit;color:inherit;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.stripe{height:4px;background:repeating-linear-gradient(-45deg,var(--red) 0 8px,var(--ink) 8px 16px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  display:flex;align-items:center;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-compact{height:56px;background:#100D0C;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;gap:26px;height:100%}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:30px;height:33px;display:inline-block;flex:0 0 auto;
  background:repeating-linear-gradient(-45deg,var(--red) 0 6px,#0B0908 6px 12px);
  clip-path:polygon(0 0,100% 0,100% 64%,50% 100%,0 64%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.08}
.logo-text b{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.logo-text i{font-style:normal;font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;height:100%;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 14px;font-size:15px;color:rgba(255,255,255,.76);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;
  background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-quiet{font-size:14px;color:rgba(255,255,255,.7)}
.link-quiet:hover{color:#fff;text-decoration:underline}
.nav-toggle{
  display:none;width:42px;height:38px;flex-direction:column;justify-content:center;gap:6px;
  cursor:pointer;border:1px solid rgba(255,255,255,.28);border-radius:8px;padding:0 10px;
}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-input);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(200,16,46,.55)}
.btn-primary:active{transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#fff;color:var(--red);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 11px;border-radius:999px;
  background:var(--red-soft);color:var(--red);font-size:12px;font-weight:700;letter-spacing:.03em;
}
.badge-dark{background:rgba(255,255,255,.13);color:#fff}
.date{font-size:13px;color:var(--slate);display:inline-flex;align-items:center;gap:6px}
.date i{font-size:11px;opacity:.7}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,8,7,.58);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;
  background:var(--ink);z-index:90;display:flex;flex-direction:column;
  transform:translateX(-102%);transition:transform .28s ease;padding-top:16px;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 20px 18px;border-bottom:1px solid rgba(255,255,255,.10)}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  position:relative;cursor:pointer;flex:0 0 auto;
}
.drawer-close::before,.drawer-close::after{
  content:"";position:absolute;left:50%;top:50%;width:14px;height:1.6px;background:#fff;
}
.drawer-close::before{transform:translate(-50%,-50%) rotate(45deg)}
.drawer-close::after{transform:translate(-50%,-50%) rotate(-45deg)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;height:52px;padding:0 22px;font-size:16px;
  color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.drawer-nav a.active{color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--red)}
.drawer-foot{margin-top:auto;padding:20px 22px 28px}
.drawer-foot .btn{width:100%}

/* ---------- Channel bar ---------- */
.channel-bar{background:#fff;border-bottom:1px solid var(--line)}
.channel-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:16px 0;
  justify-content:center;scrollbar-width:none;white-space:nowrap;
}
.channel-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.is-active{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.chip.is-active:hover{color:#fff}

/* ---------- Page head ---------- */
.page-head{
  padding:60px 0 44px;text-align:center;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-head .breadcrumb{display:flex;justify-content:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.page-head .breadcrumb a{color:var(--muted)}
.page-head .breadcrumb a:hover{color:var(--red)}
.page-head .breadcrumb .sep{color:var(--line)}
.page-head .breadcrumb .current{color:var(--ink);font-weight:600}
.page-head h1{font-size:clamp(28px,4vw,44px);font-weight:900;margin-bottom:16px}
.page-head h1 em{font-style:normal;color:var(--red)}
.page-head .lead{
  max-width:720px;margin:0 auto;font-size:17px;color:var(--muted);line-height:1.9;
}
.page-head .head-tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.head-tags span{
  font-size:13px;color:var(--slate);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;background:#fff;
}

/* ---------- News grid ---------- */
.news-section{padding:56px 0 32px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.section-head .count{font-size:13px;color:var(--slate)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8CFC2}
.thumb{position:relative;aspect-ratio:16/9;background:var(--img-bg);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .thumb img{transform:scale(1.045)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{
  font-size:18px;font-weight:700;line-height:1.48;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14.5px;color:var(--muted);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--red);
}
.card-link i{transition:transform .2s ease}
.card-link:hover i{transform:translateX(4px)}

/* Feature (full width) */
.news-feature{
  grid-column:1/-1;display:grid;grid-template-columns:minmax(0,44%) minmax(0,1fr);
  background:var(--ink);border-radius:var(--radius);overflow:hidden;color:#fff;
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-feature .thumb{aspect-ratio:16/9;height:100%;min-height:260px}
.news-feature .feature-body{padding:34px 36px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.feature-body .card-title{color:#fff;font-size:clamp(20px,2.2vw,26px);-webkit-line-clamp:3}
.feature-body .card-desc{color:rgba(255,255,255,.68);-webkit-line-clamp:3;font-size:15px}
.feature-body .card-link{border-top-color:rgba(255,255,255,.14);color:#fff}
.feature-body .card-link:hover{color:var(--gold)}
.feature-flag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.12em;color:var(--gold);text-transform:uppercase;
}
.feature-flag::before{content:"";width:22px;height:3px;background:var(--red);display:inline-block}

/* ---------- Load more ---------- */
.page-actions{padding:24px 0 76px;display:flex;flex-direction:column;align-items:center;gap:18px}
.page-actions .hint{font-size:13.5px;color:var(--muted)}
.text-link{font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.text-link:hover{color:var(--red);text-decoration:underline}
.is-hidden{display:none !important}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-2);color:#fff;padding:56px 0;border-top:4px solid transparent;border-image:repeating-linear-gradient(-45deg,var(--red) 0 8px,var(--ink) 8px 16px) 4}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.68);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 80px}
.faq-section h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:26px;text-align:center}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:12px 22px;text-align:left;font-size:18px;font-weight:700;
  color:var(--ink);cursor:pointer;
}
.faq-q:hover{color:var(--red)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--red);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.open .faq-a{max-height:360px}
.faq-a-inner{padding:0 22px 20px;background:#FAF8F4;border-top:1px solid var(--line);padding-top:16px}
.faq-a-inner p{font-size:15.5px;color:var(--muted);line-height:1.9}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:340px}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.64)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .header-inner{gap:18px}
  .nav-link{padding:0 11px;font-size:14.5px}
  .nav-link::after{left:11px;right:11px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .main-nav,.header-actions .link-quiet,.header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto;gap:0}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .news-feature{grid-template-columns:1fr}
  .news-feature .thumb{min-height:0;aspect-ratio:16/9}
  .news-feature .feature-body{padding:26px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .page-head{padding:48px 0 36px}
  .channel-scroll{justify-content:flex-start;padding-left:2px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .news-grid{grid-template-columns:1fr;gap:20px}
  .news-section{padding:40px 0 20px}
  .page-head{padding:38px 0 30px}
  .page-head .lead{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px}
  .page-actions .btn,.cta-actions .btn{width:100%}
  .cta-actions{width:100%}
  .faq-section{padding:52px 0 60px}
  .faq-q{font-size:16.5px;padding:10px 18px}
  .faq-a-inner{padding:14px 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .page-head h1{font-size:26px}
  .card-title{font-size:17px}
  .feature-body .card-title{font-size:19px}
  .logo-text i{letter-spacing:.1em}
  .head-tags span{font-size:12px;padding:5px 11px}
}

/* roulang page: category3 */
:root{
  --red:#C8102E;
  --red-dark:#8E0A1F;
  --red-soft:#F7E3E6;
  --ink:#14100F;
  --ink-2:#221B1A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6DFD5;
  --text:#2A2622;
  --muted:#6E665E;
  --gold:#B98A3C;
  --slate:#4A5560;
  --r-lg:14px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(20,16,15,.06);
  --shadow-2:0 12px 28px -12px rgba(20,16,15,.20);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease}
a:hover{color:var(--red)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 头部与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:#0F0C0B;box-shadow:0 10px 24px -18px rgba(0,0,0,.9)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:56px}
.logo,.footer-brand{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:32px;height:34px;flex:0 0 32px;border-radius:3px;
  background:repeating-linear-gradient(90deg,var(--red) 0 5px,var(--ink) 5px 10px);
  clip-path:polygon(50% 100%,0 78%,0 0,100% 0,100% 78%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.06}
.logo-text b{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.logo-text i{font-style:normal;font-size:11px;color:var(--gold);letter-spacing:.2em}
.main-nav{display:flex;align-items:stretch;gap:26px;height:100%}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:15px;color:rgba(255,255,255,.74);white-space:nowrap;
}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px;background:var(--red);
}
.header-actions{display:flex;align-items:center;gap:18px}
.link-quiet{font-size:14px;color:rgba(255,255,255,.68)}
.link-quiet:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1.5px solid rgba(255,255,255,.28);
  border-radius:var(--r-sm);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}

/* 抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(10,8,7,.55);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .22s ease;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;height:100%;width:82vw;max-width:340px;z-index:90;
  background:var(--ink);transform:translateX(-100%);
  transition:transform .25s ease;display:flex;flex-direction:column;
  padding:18px 18px 24px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  position:relative;width:40px;height:40px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.35);background:transparent;cursor:pointer;
}
.drawer-close::before,.drawer-close::after{
  content:"";position:absolute;left:11px;top:19px;width:16px;height:2px;background:#fff;border-radius:2px;
}
.drawer-close::before{transform:rotate(45deg)}
.drawer-close::after{transform:rotate(-45deg)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:15px;
  color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.active{color:#fff;font-weight:700}
.drawer-nav a.active::before{
  content:"";width:3px;height:16px;background:var(--red);border-radius:2px;margin-right:10px;
}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--red);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ============ 通用装饰 ============ */
.strip-bar{height:4px;background:repeating-linear-gradient(90deg,var(--red) 0 14px,var(--ink) 14px 28px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--red-soft);color:var(--red);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.badge-outline{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb span.current{color:var(--text);font-weight:600}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--red);letter-spacing:.12em;margin-bottom:14px;
}
.section-label::before{content:"";width:16px;height:3px;background:var(--red);border-radius:2px}

/* ============ 顶部区域 ============ */
.doc-hero{position:relative;background:var(--bg);padding:48px 0 8px;overflow:hidden}
.doc-hero .watermark{
  position:absolute;right:24px;top:-24px;font-size:180px;font-weight:900;line-height:1;
  color:var(--ink);opacity:.06;letter-spacing:-.06em;pointer-events:none;user-select:none;
}
.doc-hero h1{
  font-size:clamp(28px,3.8vw,44px);font-weight:900;line-height:1.22;max-width:880px;
}
.doc-hero .lead{font-size:17px;color:var(--muted);max-width:760px;margin:16px 0 0}
.stat-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:36px 0 0;
}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 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-num{font-size:34px;font-weight:900;color:var(--red);line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px}
.stat-desc{font-size:13.5px;color:var(--muted);margin-top:6px}

/* ============ 文档布局 ============ */
.doc-section{padding:56px 0 88px}
.doc-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.doc-toc{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-1);
}
.doc-toc h2{font-size:14px;font-weight:800;letter-spacing:.08em;color:var(--ink);margin-bottom:14px}
.doc-toc ol{display:flex;flex-direction:column;gap:2px}
.doc-toc a{
  display:block;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;
}
.doc-toc a:hover{background:#FAF7F3;color:var(--red);border-left-color:var(--red)}
.doc-toc .toc-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--slate);line-height:1.7;
}

.doc-body{max-width:820px}
.doc-block{margin-bottom:44px;scroll-margin-top:96px}
.doc-block h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:800;
  padding-left:16px;margin-bottom:18px;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--red);
}
.doc-block h3{font-size:19px;font-weight:700;margin:24px 0 10px}
.doc-body p{color:var(--text);font-size:16.5px;line-height:1.85}
.doc-body p:last-child{margin-bottom:0}

/* 图文交错块 */
.media-block{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin:28px 0 36px}
.media-block.reverse .media-figure{order:2}
.media-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:#ECE6DC;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.media-figure:hover img{transform:scale(1.03)}
.fig-index{
  position:absolute;right:12px;bottom:12px;padding:3px 10px;border-radius:999px;
  background:rgba(20,16,15,.72);color:#fff;font-size:12px;letter-spacing:.08em;
}
.media-text h3{font-size:20px;font-weight:700;margin:0 0 10px}
.media-text p{font-size:16px;color:var(--text)}

/* 步骤列表 */
.step-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.step-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:20px 4px;border-bottom:1px solid var(--line);
}
.step-num{
  font-size:26px;font-weight:900;color:var(--gold);line-height:1.2;letter-spacing:-.02em;
}
.step-item h3{font-size:17px;font-weight:700;margin:0 0 6px}
.step-item p{margin:0;font-size:15.5px;color:var(--muted)}

/* 记录列表 */
.record-list{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.record-row{
  display:grid;grid-template-columns:160px minmax(0,1fr);gap:18px;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.record-row:last-child{border-bottom:0}
.record-key{font-size:13px;color:var(--slate);letter-spacing:.04em}
.record-val{font-size:15px;color:var(--text)}

/* 要点清单 */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:6px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;
  font-size:15px;line-height:1.7;box-shadow:var(--shadow-1);
}
.check-list li::before{
  content:"✓";flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--red);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}

/* FAQ */
.faq-wrap{margin-top:8px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#D9CFC1}
.faq-item[open]{box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:56px;padding:14px 20px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--red);border-radius:2px;transition:transform .18s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{
  padding:2px 20px 18px;background:#FAF7F3;color:var(--muted);
  font-size:15.5px;line-height:1.85;border-top:1px solid var(--line);
}
.faq-body p:last-child{margin-bottom:0}

.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--red);
  border-bottom:1px solid transparent;
}
.back-link:hover{color:var(--red-dark);border-bottom-color:var(--red-dark)}

/* CTA */
.cta-banner{background:var(--ink);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.68);font-size:15.5px;margin:0;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:340px}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin:0 0 14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .doc-layout{gap:32px;grid-template-columns:210px minmax(0,1fr)}
  .doc-hero .watermark{font-size:140px}
}
@media (max-width:991px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:flex}
  .doc-layout{grid-template-columns:minmax(0,1fr)}
  .doc-toc{position:static;top:auto}
  .doc-toc ol{flex-direction:row;flex-wrap:wrap;gap:6px}
  .doc-toc a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:6px 12px}
  .doc-toc a:hover{border-color:var(--red)}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .doc-section{padding:40px 0 64px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{font-size:15.5px}
  .doc-hero{padding:32px 0 4px}
  .doc-hero .watermark{display:none}
  .media-block{grid-template-columns:minmax(0,1fr);gap:20px}
  .media-block.reverse .media-figure{order:0}
  .check-list{grid-template-columns:minmax(0,1fr)}
  .record-row{grid-template-columns:minmax(0,1fr);gap:6px}
  .step-item{grid-template-columns:48px minmax(0,1fr);gap:14px}
  .btn{width:100%;padding:0 20px}
  .cta-actions{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .strip-bar{height:4px}
}
@media (max-width:479px){
  .stat-row{grid-template-columns:minmax(0,1fr)}
  .doc-hero h1{font-size:26px}
  .doc-block h2{font-size:21px}
}