/* roulang page: index */
:root{
  --c-ink:#17181A;
  --c-ink-2:#4A4A46;
  --c-primary:#14453C;
  --c-primary-deep:#0C2E28;
  --c-accent:#C2543A;
  --c-accent-soft:#E8C9BC;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E2DCD1;
  --c-mute:#EDE7DC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,24,26,.04), 0 8px 24px -12px rgba(23,24,26,.10);
  --sh-2:0 14px 34px -14px rgba(20,69,60,.28);
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:solid;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-accent);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--c-ink);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:520px){.container{padding:0 20px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.86);
  font-size:13px;
  min-height:38px;
  display:flex;
  align-items:center;
}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-mark{color:#fff;font-weight:600;letter-spacing:.04em;white-space:nowrap;}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.28);flex:0 0 auto;}
.topbar-note{color:rgba(255,255,255,.68);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{color:#fff;font-size:13px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.topbar-link:hover{color:var(--c-accent-soft);}
@media (max-width:640px){.topbar-note{display:none;}}

/* ---------- 主导航 ---------- */
.navbar{
  background:var(--c-surface);
  position:sticky;
  top:0;
  z-index:60;
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out;
}
.navbar.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-family:var(--font-serif);font-size:20px;font-weight:600;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text strong{display:block;font-family:var(--font-serif);font-size:18px;line-height:1.25;color:var(--c-ink);letter-spacing:.02em;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.08em;}
.mainnav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--c-accent);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;cursor:pointer;color:var(--c-primary);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media (max-width:1024px){
  .mainnav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,46,40,.46);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .28s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--c-bg);
  z-index:80;transform:translateX(101%);transition:transform .28s ease-out;
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:48px;font-size:16px;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-accent);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#A8452F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:transparent;padding:0;}
.btn-ghost:hover{color:var(--c-accent);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-primary);}
.link-arrow:hover{color:var(--c-accent);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-mute{background:var(--c-mute);}
@media (max-width:768px){.section{padding:60px 0;}}
.sechead{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.sechead h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.sechead .sechead-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:640px;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;
  color:var(--c-accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block;}

/* ---------- Hero ---------- */
.hero{padding:76px 0 96px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,69,60,.10),rgba(20,69,60,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:.01em;margin:0 0 20px;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:620px;margin-bottom:32px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.hero-trust{
  margin-top:36px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:14px;color:var(--c-ink-2);
}
.hero-trust i{font-style:normal;color:var(--c-line);}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.hero-media img{width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;}
.hero-media-veil{
  position:absolute;inset:0;background:rgba(20,69,60,.08);
  box-shadow:inset 0 0 0 1px rgba(194,84,58,.55);border-radius:var(--r-img);pointer-events:none;
}
.hero-media-tag{
  position:absolute;top:18px;right:18px;writing-mode:vertical-rl;font-size:12px;letter-spacing:.24em;
  color:#fff;background:rgba(12,46,40,.62);padding:12px 7px;border-radius:8px;
}
@media (max-width:1024px){
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero-media img{aspect-ratio:16/10;}
}

/* ---------- 理念竖轴 ---------- */
.axis{position:relative;max-width:980px;}
.axis::before{content:"";position:absolute;left:5px;top:18px;bottom:18px;width:2px;background:var(--c-primary);}
.axis-item{position:relative;display:grid;grid-template-columns:72px 1fr;gap:20px;padding:26px 0 26px 48px;}
.axis-item::before{
  content:"";position:absolute;left:0;top:40px;width:12px;height:12px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(194,84,58,.14);
}
.axis-num{font-family:var(--font-serif);font-size:22px;color:var(--c-primary);letter-spacing:.06em;line-height:1.4;}
.axis-item h3{font-size:20px;margin-bottom:8px;}
.axis-item p{font-size:16px;color:var(--c-ink-2);line-height:1.85;max-width:700px;}
@media (max-width:640px){
  .axis-item{grid-template-columns:1fr;gap:8px;padding-left:32px;}
}

/* ---------- 精选卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-accent-soft);}
.card:hover .card-title{color:var(--c-accent);}
.card-wide{grid-column:span 2;flex-direction:row;}
.card-wide .card-media{flex:0 0 48%;}
.card-wide .card-media img{height:100%;aspect-ratio:auto;min-height:280px;}
.card-media{overflow:hidden;background:var(--c-mute);}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.02);}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:22px;line-height:1.45;transition:color .2s ease-out;}
.card-wide .card-title{font-size:26px;}
.card-text{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.card-foot{margin-top:auto;padding-top:6px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  border:1px solid var(--c-accent);color:var(--c-accent);font-size:12px;letter-spacing:.04em;
  background:rgba(194,84,58,.06);width:fit-content;
}
.card-col{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-col .card-media img{aspect-ratio:16/9;}
@media (max-width:1024px){
  .feature-grid{grid-template-columns:1fr;gap:20px;}
  .card-wide{grid-column:auto;flex-direction:column;}
  .card-wide .card-media{flex:none;}
  .card-wide .card-media img{aspect-ratio:16/9;min-height:0;}
  .card-wide .card-title{font-size:22px;}
  .card-col{grid-template-rows:auto auto;}
}

/* ---------- 最新信息列表 ---------- */
.news-list{list-style:none;border-top:1px solid var(--c-line);}
.news-item{
  display:grid;grid-template-columns:120px 1fr 56px;gap:24px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease-out;
}
.news-item:hover{background:var(--c-mute);}
.news-time{display:flex;flex-direction:column;gap:4px;}
.news-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);margin-bottom:6px;}
.news-date{font-family:var(--font-serif);font-size:18px;color:var(--c-primary);line-height:1.4;}
.news-year{font-size:12px;color:var(--c-ink-2);letter-spacing:.08em;}
.news-main{display:flex;gap:20px;align-items:flex-start;min-width:0;}
.news-thumb{
  flex:0 0 132px;width:132px;border-radius:10px;overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-mute);
}
.news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.news-text{min-width:0;}
.news-title{font-size:19px;line-height:1.5;margin-bottom:8px;}
.news-title a{color:var(--c-ink);}
.news-title a:hover{color:var(--c-accent);}
.news-sum{
  font-size:15px;color:var(--c-ink-2);line-height:1.75;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);display:grid;place-items:center;font-size:16px;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.news-item:hover .news-arrow{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.news-empty{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  color:var(--c-ink-2);text-align:center;padding:32px 20px;
}
.news-empty svg{color:var(--c-accent);}
@media (max-width:768px){
  .news-item{grid-template-columns:1fr;gap:12px;padding:20px 12px;}
  .news-time{flex-direction:row;align-items:center;gap:10px;}
  .news-dot{margin-bottom:0;}
  .news-arrow{display:none;}
  .news-thumb{flex:0 0 96px;width:96px;}
}

/* ---------- 信任背书 ---------- */
.trust-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.trust-cell{padding:34px 28px;border-right:1px solid var(--c-line);}
.trust-cell:last-child{border-right:none;}
.trust-num{font-family:var(--font-serif);font-size:22px;color:var(--c-primary);margin-bottom:10px;display:block;}
.trust-cell p{font-size:13px;color:var(--c-ink-2);line-height:1.8;}
@media (max-width:900px){
  .trust-row{grid-template-columns:1fr 1fr;}
  .trust-cell:nth-child(2){border-right:none;}
  .trust-cell:nth-child(1),.trust-cell:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media (max-width:520px){
  .trust-row{grid-template-columns:1fr;}
  .trust-cell{border-right:none;border-bottom:1px solid var(--c-line);padding:26px 4px;}
  .trust-cell:last-child{border-bottom:none;}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;font-family:var(--font-serif);font-size:16px;
  color:var(--c-primary);font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--c-accent);font-size:20px;line-height:1;flex:0 0 auto;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item p{font-size:15px;color:var(--c-ink-2);line-height:1.9;padding-bottom:20px;max-width:780px;}

/* ---------- CTA ---------- */
.cta-box{
  background:var(--c-primary);color:#fff;border-radius:var(--r-card);padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-box h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.4;margin-bottom:10px;}
.cta-box p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-btn);border:1px solid transparent;
  padding:0 16px;background:#fff;color:var(--c-ink);font-size:15px;
}
.cta-form input::placeholder{color:#9A968E;}
.cta-form input:focus{outline:2px solid var(--c-accent);outline-offset:2px;}
.cta-hint{margin-top:12px;font-size:12px;color:rgba(255,255,255,.62);line-height:1.7;}
.cta-msg{margin-top:8px;font-size:12px;color:var(--c-accent-soft);min-height:18px;}
@media (max-width:900px){
  .cta-box{grid-template-columns:1fr;padding:32px 24px;gap:26px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-deep);color:rgba(255,255,255,.76);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer a{color:rgba(255,255,255,.76);font-size:14px;}
.footer a:hover{color:var(--c-accent-soft);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);}
.footer-brand strong{font-family:var(--font-serif);font-size:18px;color:#fff;letter-spacing:.02em;}
.footer-note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-note{max-width:none;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --c-ink:#17181A;
  --c-ink-2:#4A4A46;
  --c-primary:#14453C;
  --c-primary-deep:#0C2E28;
  --c-accent:#C2543A;
  --c-accent-soft:#E8C9BC;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E2DCD1;
  --c-mute:#EDE7DC;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(23,24,26,.04), 0 8px 24px -12px rgba(23,24,26,.10);
  --sh-2:0 14px 34px -14px rgba(20,69,60,.28);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.24;margin:0;color:var(--c-ink);}
h1{font-size:30px;line-height:1.2;}
h2{font-size:24px;}
h3{font-size:19px;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out, border-color .2s ease-out;}
a:hover{color:var(--c-accent);}
button,input{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.content-col{max-width:800px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:#DCE5E1;font-size:13px;letter-spacing:.02em;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-tag{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600;white-space:nowrap;}
.topbar-tag .dot{width:6px;height:6px;border-radius:999px;background:var(--c-accent);display:inline-block;}
.topbar-note{color:#AFC2BB;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:6px;white-space:nowrap;color:#E8C9BC;}
.topbar-right a{color:#E8C9BC;}
.topbar-right a:hover{color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out, border-color .22s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;flex:none;
}
.brand-text strong{display:block;font-family:var(--font-serif);font-size:17px;line-height:1.3;color:var(--c-ink);letter-spacing:.01em;}
.brand-text small{display:block;font-size:12px;color:var(--c-ink-2);line-height:1.4;}
.brand:hover .brand-text strong{color:var(--c-primary);}

.mainnav{display:none;align-items:center;gap:30px;}
.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--c-ink);padding:8px 0;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:transparent;transition:background .2s ease-out;}
.nav-link:hover{color:var(--c-accent);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{background:var(--c-accent);}

.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .22s ease-out, color .22s ease-out, transform .18s ease-out, box-shadow .22s ease-out, border-color .22s ease-out;
  font-family:var(--font-sans);
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#A6432C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-accent);border-color:var(--c-accent);transform:translateY(-1px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-accent);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.btn-link:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}

.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;
}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:var(--c-ink);border-radius:2px;}
.burger:hover{border-color:var(--c-accent);}
.burger:hover span{background:var(--c-accent);}

.drawer-overlay{position:fixed;inset:0;background:rgba(12,46,40,.42);z-index:70;opacity:0;pointer-events:none;transition:opacity .22s ease-out;}
.drawer-overlay.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:var(--c-bg);border-left:1px solid var(--c-line);
  transform:translateX(100%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;font-size:18px;line-height:1;color:var(--c-ink-2);}
.drawer-close:hover{color:var(--c-accent);border-color:var(--c-accent);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;flex:1;}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 4px;
  font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-link:hover{color:var(--c-accent);}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 2px 0 0 var(--c-accent);padding-left:12px;}
.drawer-foot{padding-top:12px;}

/* ---------- 通用板块 ---------- */
.section{padding-top:56px;padding-bottom:56px;}
.section-mute{background:var(--c-mute);}
.section-surface{background:var(--c-surface);}
.section-dark{background:var(--c-primary-deep);color:#E4EBE8;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-accent);font-weight:700;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block;}
.section-sub{color:var(--c-ink-2);font-size:15px;max-width:760px;margin-top:10px;}
.lede{font-size:16.5px;color:var(--c-ink-2);line-height:1.9;}
.lede + .lede{margin-top:14px;}
.divider-line{height:1px;background:var(--c-line);border:0;margin:32px 0;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;border:1px solid var(--c-accent);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.04em;background:transparent;
}
.badge-soft{border-color:var(--c-line);color:var(--c-ink-2);background:var(--c-surface);}

/* ---------- 页头 Hero ---------- */
.page-hero{padding-top:40px;padding-bottom:8px;}
.page-hero h1{margin-bottom:16px;}
.hero-media{margin-top:28px;border-radius:var(--r-img);overflow:hidden;position:relative;border:1px solid var(--c-line);}
.hero-media img{width:100%;height:220px;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,69,60,.08);pointer-events:none;}
.hero-caption{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:13px;letter-spacing:.06em;background:rgba(12,46,40,.62);padding:4px 10px;border-radius:999px;}

/* ---------- 双栏内容 ---------- */
.split{display:grid;gap:32px;}
.info-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.info-panel h3{margin-bottom:10px;}
.info-panel ul{list-style:none;display:grid;gap:10px;margin-top:12px;}
.info-panel li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);}
.info-panel li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--c-accent);border-radius:2px;}
.media-cover{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.media-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:36px;}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:12px;width:2px;background:var(--c-primary);opacity:.22;}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:9px;width:12px;height:12px;border-radius:999px;
  background:var(--c-accent);border:2px solid var(--c-bg);box-shadow:0 0 0 1px var(--c-accent-soft);
}
.tl-index{font-size:13px;letter-spacing:.1em;color:var(--c-accent);font-weight:700;display:block;margin-bottom:4px;}
.tl-item h3{margin-bottom:8px;}
.tl-item p{color:var(--c-ink-2);font-size:15.5px;}

/* ---------- 列表条 ---------- */
.entry-list{border-top:1px solid var(--c-line);}
.entry{
  display:grid;gap:12px;padding:20px 0;border-bottom:1px solid var(--c-line);
  transition:background .2s ease-out;
}
.entry:hover{background:var(--c-mute);}
.entry-no{
  font-family:var(--font-serif);font-size:20px;color:var(--c-primary);
  min-width:44px;
}
.entry-body h3{font-size:18px;margin-bottom:6px;}
.entry-body p{color:var(--c-ink-2);font-size:15px;}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}

/* ---------- 检查要点 ---------- */
.check-grid{display:grid;gap:16px;}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:transform .22s ease-out, box-shadow .22s ease-out, border-color .22s ease-out;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-accent-soft);}
.check-card h3{font-size:17px;margin-bottom:8px;}
.check-card p{font-size:14.5px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 0;font-family:var(--font-serif);font-size:16px;color:var(--c-primary);font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;font-family:var(--font-sans);font-size:20px;line-height:1;color:var(--c-accent);
  transition:transform .22s ease-out;
}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{color:var(--c-accent);}
.faq-body{padding:0 0 22px;font-size:15px;color:var(--c-ink-2);max-width:820px;}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--c-primary-deep);color:#E6EDEA;border-radius:var(--r-card);
  padding:28px 22px;display:grid;gap:24px;
}
.cta-card h2{color:#fff;font-size:24px;margin-bottom:10px;}
.cta-card p{color:#B9CBC5;font-size:15px;}
.subscribe-form{display:grid;gap:12px;}
.subscribe-form input{
  width:100%;min-height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.28);
  background:#fff;color:var(--c-ink);padding:0 14px;font-size:15px;
}
.subscribe-form input::placeholder{color:#9A9A93;}
.subscribe-form input:focus{outline:2px solid var(--c-accent);outline-offset:1px;border-color:var(--c-accent);}
.form-hint{font-size:12px;color:#9FB5AF;line-height:1.7;}
.form-feedback{font-size:12px;color:var(--c-accent-soft);min-height:18px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-deep);color:#C9D8D3;padding-top:56px;font-size:14px;}
.footer-grid{display:grid;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary-deep);}
.footer-brand strong{color:#fff;font-family:var(--font-serif);font-size:17px;}
.footer-note{color:#9FB5AF;font-size:13.5px;line-height:1.85;max-width:420px;}
.footer h3{color:#fff;font-size:15px;margin-bottom:14px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em;}
.footer-links{list-style:none;display:grid;gap:10px;}
.footer-links a{color:#C9D8D3;font-size:14px;border-bottom:1px solid transparent;}
.footer-links a:hover{color:var(--c-accent-soft);border-bottom-color:var(--c-accent-soft);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:12.5px;color:#8FA7A1;letter-spacing:.03em;
}

@media (min-width:520px){
  h1{font-size:34px;}
  .cta-card{padding:34px 30px;}
  .subscribe-form{grid-template-columns:1fr auto;}
}
@media (min-width:768px){
  h1{font-size:42px;}
  h2{font-size:28px;}
  .container{padding-left:24px;padding-right:24px;}
  .section{padding-top:80px;padding-bottom:80px;}
  .hero-media img{height:280px;}
  .split{grid-template-columns:1.15fr .85fr;align-items:start;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
  .entry{grid-template-columns:64px 1fr;align-items:start;}
}
@media (min-width:1024px){
  h1{font-size:50px;}
  h2{font-size:32px;}
  .section{padding-top:104px;padding-bottom:104px;}
  .mainnav{display:flex;}
  .burger{display:none;}
  .hero-media img{height:340px;}
  .check-grid{grid-template-columns:repeat(4,1fr);}
  .cta-card{grid-template-columns:1.2fr .8fr;align-items:center;padding:44px 40px;}
}
@media (min-width:1280px){
  .hero-media img{height:380px;}
}

/* roulang page: article */
:root{
  --c-ink:#17181A;
  --c-ink-2:#4A4A46;
  --c-primary:#14453C;
  --c-primary-deep:#0C2E28;
  --c-accent:#C2543A;
  --c-accent-soft:#E8C9BC;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E2DCD1;
  --c-mute:#EDE7DC;
  --sh-1:0 1px 2px rgba(23,24,26,.04),0 8px 24px -12px rgba(23,24,26,.10);
  --sh-2:0 14px 34px -14px rgba(20,69,60,.28);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html{scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%;
}
html body.no-scroll{overflow:hidden}
body a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out}
body a:hover{color:var(--c-accent)}
body img{max-width:100%;height:auto;display:block}
body button{font:inherit;cursor:pointer}
body input{font:inherit}
body h1,body h2,body h3,body h4,body p{margin:0}
body ul,body ol{margin:0}
body a:focus-visible,body button:focus-visible,body input:focus-visible,body summary:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.86);font-size:13px;letter-spacing:.03em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}
.topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-action{display:inline-flex;align-items:center;gap:7px;color:#fff;font-size:13px;white-space:nowrap}
.topbar-action:hover{color:var(--c-accent-soft)}
.topbar-action i{font-size:11px}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);transition:box-shadow .2s ease-out,border-color .2s ease-out;border-bottom:1px solid transparent}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.mainbar-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:20px;line-height:1;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:var(--font-serif);font-size:19px;font-weight:600;color:var(--c-ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.08em}
.mainnav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:72px;font-size:15px;color:var(--c-ink);padding:0 2px}
.nav-link:hover{color:var(--c-accent)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--c-accent);border-radius:2px}
.nav-cta{display:flex;align-items:center;margin-left:6px;flex:none}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-primary);font-size:17px;margin-left:auto}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:#A9432C;border-color:#A9432C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow:hover{color:var(--c-accent);border-bottom-color:var(--c-accent-soft)}
.link-arrow i{font-size:12px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,40,.45);opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--c-bg);z-index:80;transform:translateX(101%);transition:transform .24s ease-out;padding:20px;overflow-y:auto;border-left:1px solid var(--c-line)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.drawer-head strong{font-family:var(--font-serif);font-size:18px;color:var(--c-ink)}
.drawer-close{width:40px;height:40px;margin-left:auto;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 20px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15.5px;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-link:hover{color:var(--c-accent);padding-left:4px}
.drawer-link i{font-size:12px;color:var(--c-accent)}
.drawer-cta{width:100%}

/* ---------- 文章头 ---------- */
.article-top{padding:28px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:#C9C2B5}
.breadcrumb .current{color:var(--c-ink-2);max-width:62vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:20px 0 0}
.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;border:1px solid var(--c-accent);color:var(--c-accent);background:rgba(194,84,58,.06);font-size:13px;letter-spacing:.05em;font-weight:600}
.badge i{font-size:11px}
.article-title{font-family:var(--font-serif);font-weight:600;font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.005em;color:var(--c-ink);margin-top:16px}
.meta-line{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;padding-bottom:18px;border-bottom:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);letter-spacing:.06em}
.meta-line span{display:inline-flex;align-items:center;gap:7px}
.meta-line i{color:var(--c-accent);font-size:12px}
.article-cover{margin:24px 0 0;position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:var(--c-primary);opacity:.08;pointer-events:none}

/* ---------- 推荐条（文章头下方） ---------- */
.rel-strip{margin-top:32px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1)}
.rel-strip-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:14px}
.rel-strip-head h2{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-ink)}
.rel-strip-head span{font-size:13px;color:var(--c-ink-2);letter-spacing:.04em}
.rel-strip ul{list-style:none;padding:0}
.rel-strip li a{display:flex;gap:12px;align-items:center;padding:10px;border-radius:10px;transition:background-color .2s ease-out}
.rel-strip li a:hover{background:var(--c-mute)}
.rel-thumb{width:64px;height:48px;border-radius:8px;object-fit:cover;border:1px solid var(--c-line);flex:none}
.rel-t{font-size:14.5px;line-height:1.55;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-strip li a:hover .rel-t{color:var(--c-accent)}

/* ---------- 正文布局 ---------- */
.article-main{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:56px;align-items:start}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body p{margin:0 0 20px}
.article-body h2{font-family:var(--font-serif);font-size:30px;font-weight:600;line-height:1.32;margin:42px 0 18px;padding-left:16px;border-left:3px solid var(--c-accent);color:var(--c-ink)}
.article-body h3{font-family:var(--font-serif);font-size:21px;font-weight:600;margin:32px 0 14px;color:var(--c-primary)}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--c-ink)}
.article-body ul{list-style:none;padding:0;margin:0 0 20px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-accent)}
.article-body ol{padding-left:24px;margin:0 0 20px}
.article-body ol li{margin-bottom:10px}
.article-body ol li::marker{color:var(--c-accent);font-weight:600}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:var(--c-mute);border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;color:var(--c-ink-2);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--c-line);margin:26px 0}
.article-body a{color:var(--c-primary);border-bottom:1px solid var(--c-accent-soft);padding-bottom:1px}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.article-body strong{color:var(--c-ink);font-weight:600}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden}
.article-body th{background:rgba(20,69,60,.07);color:var(--c-primary);font-weight:600;text-align:left;padding:12px 14px;border:1px solid var(--c-line)}
.article-body td{padding:12px 14px;border:1px solid var(--c-line);color:var(--c-ink-2)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}
.article-empty{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:56px 32px;text-align:center;max-width:640px;box-shadow:var(--sh-1)}
.empty-icon{width:56px;height:56px;border-radius:14px;background:var(--c-mute);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px}
.article-empty h2{font-family:var(--font-serif);font-size:24px;color:var(--c-ink)}
.article-empty p{margin:12px 0 22px;color:var(--c-ink-2);font-size:15.5px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:128px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:14px}
.side-card .side-note{font-size:13px;color:var(--c-ink-2);margin-bottom:14px;letter-spacing:.03em}
.check-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.check-list i{color:var(--c-accent);font-size:12px;margin-top:7px;flex:none}
.side-links{list-style:none;padding:0;display:flex;flex-direction:column}
.side-links li:last-child a{border-bottom:0}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:var(--c-ink);transition:padding-left .2s ease-out,color .2s ease-out}
.side-links a:hover{color:var(--c-accent);padding-left:4px}
.side-links a i{font-size:11px;color:var(--c-accent)}

/* ---------- 文末推荐 ---------- */
.rel-bottom{margin-top:52px;padding-top:34px;border-top:1px solid var(--c-line)}
.rel-bottom h2{font-family:var(--font-serif);font-size:22px;font-weight:600;color:var(--c-ink)}
.rel-bottom-list{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column}
.rel-bottom-list li{border-bottom:1px solid var(--c-line)}
.rel-bottom-list li:last-child{border-bottom:0}
.rel-bottom-list a{display:flex;align-items:center;gap:16px;padding:14px 10px;border-radius:10px;transition:background-color .2s ease-out}
.rel-bottom-list a:hover{background:var(--c-mute)}
.rel-bottom-thumb{width:96px;height:72px;border-radius:10px;object-fit:cover;border:1px solid var(--c-line);flex:none}
.rel-bottom-txt{display:flex;flex-direction:column;gap:6px;min-width:0}
.rel-bottom-txt strong{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5}
.rel-bottom-list a:hover .rel-bottom-txt strong{color:var(--c-accent)}
.rel-bottom-txt em{font-style:normal;font-size:13px;color:var(--c-ink-2);letter-spacing:.06em}
.rel-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:26px}

/* ---------- 板块通用头 ---------- */
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--c-accent)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block}
.section-head h2{font-family:var(--font-serif);font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.3;color:var(--c-ink);margin-top:14px}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--c-ink-2)}

/* ---------- 订阅 CTA ---------- */
.cta-band{background:var(--c-primary);border-radius:var(--r-card);padding:44px 40px;margin-bottom:88px}
.cta-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.cta-copy h2{font-family:var(--font-serif);font-size:clamp(23px,2.6vw,28px);font-weight:600;color:#fff;line-height:1.35}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78)}
.cta-field{display:flex;gap:12px}
.cta-field input{flex:1;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);background:#fff;color:var(--c-ink);font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.cta-field input::placeholder{color:#9A958C}
.cta-field input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(194,84,58,.55)}
.cta-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.66);line-height:1.7}
.cta-feedback{margin-top:8px;font-size:12.5px;color:var(--c-accent-soft);min-height:18px}
.cta-feedback.is-error{color:#F0B8A6}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 88px}
.faq-list{max-width:860px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line);padding:18px 0}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;font-size:16px;font-weight:600;color:var(--c-primary);line-height:1.7}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:none;font-size:20px;line-height:1;color:var(--c-accent);transition:transform .2s ease-out}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:780px}
.faq-item summary:hover{color:var(--c-accent)}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-deep);color:rgba(255,255,255,.76);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand strong{font-family:var(--font-serif);font-size:18px;color:#fff;font-weight:600}
.footer-note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer h3{font-size:14px;font-weight:600;color:#fff;letter-spacing:.08em;margin-bottom:16px}
.footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:var(--c-accent-soft)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.58)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .mainnav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .mainbar-inner{height:64px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:24px;margin:34px 0 16px}
  .article-body h3{font-size:18.5px}
  .cta-band{padding:32px 22px;margin-bottom:64px}
  .faq-section{padding-bottom:64px}
  .article-main{padding:36px 0 56px}
  .rel-bottom-thumb{width:76px;height:58px}
}
@media (max-width:640px){
  .topbar-inner{height:auto;padding:8px 0;gap:10px}
  .topbar-left span{white-space:normal;font-size:12px;line-height:1.5}
  .topbar-action{font-size:12px}
  .brand-text strong{font-size:17px}
  .brand-text em{display:none}
  .article-title{font-size:26px}
  .meta-line{gap:8px 14px;font-size:12.5px}
  .rel-strip{padding:16px}
  .cta-field{flex-direction:column}
  .cta-field .btn{width:100%}
  .rel-actions{gap:16px}
  .footer{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
    --c-ink:#17181A;
    --c-ink-2:#4A4A46;
    --c-primary:#14453C;
    --c-primary-deep:#0C2E28;
    --c-accent:#C2543A;
    --c-accent-soft:#E8C9BC;
    --c-bg:#F7F3EC;
    --c-surface:#FFFFFF;
    --c-line:#E2DCD1;
    --c-mute:#EDE7DC;
    --sh-1:0 1px 2px rgba(23,24,26,.04), 0 8px 24px -12px rgba(23,24,26,.10);
    --sh-2:0 14px 34px -14px rgba(20,69,60,.28);
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --ff-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
    --ff-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:var(--ff-sans);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{ font-family:var(--ff-serif); font-weight:600; line-height:1.22; margin:0; color:var(--c-ink); }
  p{ margin:0; }
  a{ color:var(--c-primary); text-decoration:none; transition:color .2s ease-out, border-color .2s ease-out; }
  a:hover{ color:var(--c-accent); }
  img{ max-width:100%; display:block; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  button,input{ font:inherit; }
  :focus-visible{ outline:2px solid var(--c-accent); outline-offset:2px; }
  .sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

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

  /* ============ 顶部信息条 ============ */
  .topbar{ background:var(--c-primary-deep); color:rgba(255,255,255,.86); font-size:13px; }
  .topbar-inner{ display:flex; align-items:center; gap:18px; min-height:38px; padding-top:4px; padding-bottom:4px; }
  .topbar-tag{
    display:inline-flex; align-items:center; gap:8px;
    letter-spacing:.06em; color:#fff; font-weight:600; flex:0 0 auto;
  }
  .topbar-tag .dot{ width:6px; height:6px; border-radius:50%; background:var(--c-accent); display:inline-block; }
  .topbar-note{ color:rgba(255,255,255,.66); flex:1 1 auto; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .topbar-link{ color:var(--c-accent-soft); flex:0 0 auto; font-weight:600; }
  .topbar-link:hover{ color:#fff; }
  .topbar-link i{ font-style:normal; margin-left:4px; }

  /* ============ 主导航 ============ */
  .navbar{
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    position:sticky; top:0; z-index:50;
    transition:box-shadow .22s ease-out, border-color .22s ease-out;
  }
  .navbar.is-stuck{ box-shadow:var(--sh-1); }
  .navbar-inner{ display:flex; align-items:center; gap:26px; min-height:72px; }
  .brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .brand:hover{ color:var(--c-primary); }
  .brand-mark{
    width:38px; height:38px; border-radius:11px; background:var(--c-primary);
    color:var(--c-bg); display:grid; place-items:center;
    font-family:var(--ff-serif); font-size:19px; font-weight:600; flex:0 0 auto;
  }
  .brand-text strong{ display:block; font-family:var(--ff-serif); font-size:17px; font-weight:600; color:var(--c-ink); letter-spacing:.01em; }
  .brand-text em{ display:block; font-style:normal; font-size:11px; letter-spacing:.16em; color:var(--c-ink-2); margin-top:1px; }
  .mainnav{ display:flex; align-items:center; gap:2px; margin-left:auto; }
  .nav-link{
    position:relative; font-size:15px; color:var(--c-ink-2);
    padding:9px 13px; border-radius:8px; transition:color .2s ease-out, background .2s ease-out;
  }
  .nav-link:hover{ color:var(--c-primary); background:var(--c-mute); }
  .nav-link.is-active{ color:var(--c-primary); font-weight:600; }
  .nav-link.is-active::after{
    content:""; position:absolute; left:13px; right:13px; bottom:1px;
    height:2px; background:var(--c-accent); border-radius:2px;
  }
  .nav-actions{ display:flex; align-items:center; gap:12px; flex:0 0 auto; }

  .nav-toggle{
    display:none; width:44px; height:44px; border-radius:10px;
    border:1px solid var(--c-line); background:var(--c-surface);
    align-items:center; justify-content:center; flex-direction:column; gap:5px; cursor:pointer;
  }
  .nav-toggle span{ display:block; width:18px; height:2px; background:var(--c-primary); border-radius:2px; }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:44px; padding:0 22px; border-radius:var(--r-btn);
    font-size:15px; font-weight:600; border:1px solid transparent; cursor:pointer;
    transition:background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
  }
  .btn-primary{ background:var(--c-primary); color:#fff; }
  .btn-primary:hover{ background:var(--c-accent); color:#fff; transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-primary:active{ transform:translateY(0); }
  .btn-accent{ background:var(--c-accent); color:#fff; }
  .btn-accent:hover{ background:#A8442D; color:#fff; transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-accent:active{ transform:translateY(0); }
  .btn-outline{ background:var(--c-surface); border-color:var(--c-line); color:var(--c-primary); }
  .btn-outline:hover{ border-color:var(--c-accent); color:var(--c-accent); transform:translateY(-1px); }
  .link-arrow{ font-size:15px; font-weight:600; color:var(--c-accent); display:inline-flex; align-items:center; gap:6px; }
  .link-arrow::after{ content:"→"; transition:transform .2s ease-out; }
  .link-arrow:hover{ color:var(--c-primary); }
  .link-arrow:hover::after{ transform:translateX(3px); }

  /* ============ 抽屉 ============ */
  .drawer{
    position:fixed; top:0; right:0; height:100%; width:82vw; max-width:360px;
    background:var(--c-bg); border-left:1px solid var(--c-line);
    transform:translateX(102%); transition:transform .26s ease-out; z-index:80;
    padding:20px; display:flex; flex-direction:column; gap:8px;
    overflow-y:auto;
  }
  .drawer.is-open{ transform:translateX(0); }
  .drawer-mask{
    position:fixed; inset:0; background:rgba(12,46,40,.42);
    opacity:0; visibility:hidden; transition:opacity .26s ease-out, visibility .26s ease-out; z-index:70;
  }
  .drawer-mask.is-open{ opacity:1; visibility:visible; }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; padding-bottom:16px; border-bottom:1px solid var(--c-line); }
  .drawer-close{
    width:40px; height:40px; border-radius:10px; border:1px solid var(--c-line);
    background:var(--c-surface); color:var(--c-ink-2); font-size:22px; line-height:1; cursor:pointer;
  }
  .drawer-close:hover{ color:var(--c-accent); border-color:var(--c-accent); }
  .drawer-nav{ display:flex; flex-direction:column; padding:8px 0; }
  .drawer-link{
    display:flex; align-items:center; min-height:48px; padding:0 12px; border-radius:10px;
    font-size:16px; color:var(--c-ink-2); border-bottom:1px solid var(--c-line);
  }
  .drawer-link:last-child{ border-bottom:none; }
  .drawer-link:hover{ background:var(--c-mute); color:var(--c-primary); }
  .drawer-link.is-active{ color:var(--c-primary); font-weight:600; box-shadow:inset 2px 0 0 var(--c-accent); }
  .drawer-cta{ width:100%; margin-top:auto; }

  /* ============ 板块通用 ============ */
  .section{ padding:92px 0; }
  .section--tight{ padding:70px 0; }
  .section--mute{ background:var(--c-mute); }
  .section-head{ max-width:800px; margin-bottom:44px; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:9px;
    font-size:13px; letter-spacing:.14em; color:var(--c-accent); font-weight:600;
  }
  .eyebrow::before{ content:""; width:18px; height:2px; background:var(--c-accent); display:inline-block; border-radius:2px; }
  .section-title{ font-size:clamp(24px,3vw,32px); margin:16px 0 14px; }
  .lead{ color:var(--c-ink-2); font-size:16px; line-height:1.85; }
  .divider{ height:1px; background:var(--c-line); border:0; margin:0; }

  /* ============ 页头 ============ */
  .page-head{ padding:52px 0 0; }
  .page-head .eyebrow{ color:var(--c-primary); }
  .page-head .eyebrow::before{ background:var(--c-accent); }
  .page-title{ font-size:clamp(28px,4.2vw,50px); line-height:1.18; margin:18px 0 20px; max-width:19em; }
  .page-intro{ max-width:820px; color:var(--c-ink-2); font-size:16.5px; }
  .page-intro p + p{ margin-top:12px; }
  .banner{
    position:relative; margin-top:40px; border-radius:var(--r-img); overflow:hidden;
    border:1px solid var(--c-line); background:var(--c-mute);
  }
  .banner img{ width:100%; aspect-ratio:16/6; object-fit:cover; }
  .banner::after{
    content:""; position:absolute; inset:0;
    background:rgba(20,69,60,.08);
    box-shadow:inset 0 0 0 1px rgba(194,84,58,.28);
    pointer-events:none;
  }
  .banner-cap{
    position:absolute; left:18px; bottom:14px; z-index:2;
    background:rgba(12,46,40,.72); color:#fff; font-size:13px; letter-spacing:.04em;
    padding:6px 14px; border-radius:999px;
  }

  /* ============ Zigzag ============ */
  .zig-list{ display:flex; flex-direction:column; }
  .zig{
    display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:52px; align-items:center; padding:44px 0; border-top:1px solid var(--c-line);
  }
  .zig:last-child{ border-bottom:1px solid var(--c-line); }
  .zig-media{ position:relative; border-radius:var(--r-img); overflow:hidden; border:1px solid var(--c-line); background:var(--c-mute); box-shadow:var(--sh-1); }
  .zig-media img{ width:100%; aspect-ratio:4/3; object-fit:cover; transition:transform .24s ease-out; }
  .zig:hover .zig-media img{ transform:scale(1.02); }
  .zig:nth-child(even) .zig-media{ order:2; }
  .zig:nth-child(even) .zig-body{ order:1; }
  .step-num{
    display:inline-block; font-size:13px; letter-spacing:.08em; font-weight:600;
    color:var(--c-accent); background:#fff; border:1px solid var(--c-accent-soft);
    border-radius:999px; padding:4px 14px; margin-bottom:16px;
  }
  .zig-body h3{ font-size:22px; margin-bottom:14px; }
  .zig-body p{ color:var(--c-ink-2); font-size:16px; }
  .zig-body p + p{ margin-top:12px; }
  .dot-list{ margin-top:16px; }
  .dot-list li{ position:relative; padding-left:18px; margin-top:10px; font-size:15px; color:var(--c-ink-2); }
  .dot-list li::before{
    content:""; position:absolute; left:0; top:.72em; width:6px; height:6px;
    background:var(--c-accent); border-radius:1px;
  }

  /* ============ 信息格 ============ */
  .info-grid{
    display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1px;
    background:var(--c-line); border:1px solid var(--c-line);
    border-radius:var(--r-card); overflow:hidden;
  }
  .info-cell{ background:var(--c-surface); padding:28px 22px; transition:background .2s ease-out; }
  .info-cell:hover{ background:#FCFAF6; }
  .info-cell h3{
    font-size:18px; margin-bottom:12px; padding-left:12px;
    border-left:2px solid var(--c-accent); line-height:1.35;
  }
  .info-cell .k{ display:block; font-size:12px; letter-spacing:.12em; color:var(--c-ink-2); margin:14px 0 4px; }
  .info-cell .k:first-of-type{ margin-top:0; }
  .info-cell p{ font-size:14.5px; color:var(--c-ink-2); line-height:1.75; }
  .info-cell .pass{ color:var(--c-primary); font-weight:600; font-size:14.5px; }

  /* ============ 对照 ============ */
  .cmp{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
  .cmp-col{
    background:var(--c-surface); border:1px solid var(--c-line);
    border-radius:var(--r-card); padding:30px 26px; box-shadow:var(--sh-1);
  }
  .cmp-col.good{ border-top:3px solid var(--c-primary); }
  .cmp-col.warn{ border-top:3px solid var(--c-accent); }
  .cmp-col h3{ font-size:20px; margin-bottom:6px; }
  .cmp-col .sub{ font-size:13.5px; color:var(--c-ink-2); margin-bottom:18px; }
  .cmp-list li{
    position:relative; padding:12px 0 12px 22px; font-size:15px; color:var(--c-ink-2);
    border-bottom:1px dashed var(--c-line);
  }
  .cmp-list li:last-child{ border-bottom:none; }
  .cmp-list li::before{
    content:""; position:absolute; left:0; top:1.32em; width:8px; height:8px; border-radius:50%;
  }
  .cmp-col.good .cmp-list li::before{ background:var(--c-primary); }
  .cmp-col.warn .cmp-list li::before{ background:var(--c-accent); }

  /* ============ 自查清单 ============ */
  .check-list{ border-top:1px solid var(--c-line); }
  .check-list li{
    display:flex; gap:18px; align-items:flex-start;
    padding:20px 4px; border-bottom:1px solid var(--c-line);
    transition:background .2s ease-out;
  }
  .check-list li:hover{ background:var(--c-mute); }
  .check-idx{
    flex:0 0 auto; width:28px; height:28px; border-radius:8px;
    background:var(--c-accent); color:#fff; font-size:13px; font-weight:600;
    display:grid; place-items:center; margin-top:5px;
  }
  .check-body strong{ display:block; font-family:var(--ff-serif); font-size:17px; font-weight:600; margin-bottom:4px; }
  .check-body span{ font-size:15px; color:var(--c-ink-2); }

  /* ============ FAQ ============ */
  .faq-wrap{ max-width:900px; }
  .faq-item{ border-bottom:1px solid var(--c-line); }
  .faq-item:first-child{ border-top:1px solid var(--c-line); }
  .faq-item summary{
    list-style:none; cursor:pointer; display:flex; align-items:flex-start; gap:16px;
    padding:22px 2px; font-family:var(--ff-serif); font-size:17px; font-weight:600;
    color:var(--c-primary); transition:color .2s ease-out;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content:"+"; margin-left:auto; flex:0 0 auto; color:var(--c-accent);
    font-size:22px; line-height:1; transition:transform .2s ease-out;
  }
  .faq-item[open] summary::after{ content:"−"; }
  .faq-item summary:hover{ color:var(--c-accent); }
  .faq-answer{ padding:0 40px 22px 2px; font-size:15px; color:var(--c-ink-2); line-height:1.85; }

  /* ============ CTA ============ */
  .cta-band{
    background:var(--c-primary); color:#fff; border-radius:var(--r-card);
    padding:46px 44px; display:grid; grid-template-columns:1.05fr 1fr;
    gap:40px; align-items:center;
  }
  .cta-band h2{ color:#fff; font-size:clamp(22px,2.6vw,28px); margin-bottom:12px; }
  .cta-band p{ color:rgba(255,255,255,.78); font-size:15.5px; }
  .cta-form{ display:flex; flex-direction:column; gap:12px; }
  .cta-row{ display:flex; gap:12px; }
  .cta-row input{
    flex:1 1 auto; min-height:48px; padding:0 16px; border-radius:var(--r-btn);
    border:1px solid var(--c-line); background:#fff; color:var(--c-ink); font-size:15px;
    transition:box-shadow .2s ease-out, border-color .2s ease-out;
  }
  .cta-row input::placeholder{ color:#9A968D; }
  .cta-row input:focus{ outline:none; border-color:var(--c-accent); box-shadow:0 0 0 2px rgba(194,84,58,.45); }
  .form-hint{ font-size:12.5px; color:rgba(255,255,255,.66); }

  /* ============ 页脚 ============ */
  .footer{ background:var(--c-primary-deep); color:rgba(255,255,255,.72); padding:66px 0 0; }
  .footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:38px; }
  .footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
  .footer-brand .brand-mark{ background:rgba(255,255,255,.12); color:#fff; }
  .footer-brand strong{ color:#fff; font-family:var(--ff-serif); font-size:17px; font-weight:600; }
  .footer-note{ font-size:14px; line-height:1.8; color:rgba(255,255,255,.62); max-width:34em; }
  .footer h3{ font-family:var(--ff-sans); font-size:13px; letter-spacing:.12em; color:#fff; margin-bottom:16px; font-weight:600; }
  .footer-links li{ margin-bottom:10px; }
  .footer-links a{ color:rgba(255,255,255,.72); font-size:14px; border-bottom:1px solid transparent; }
  .footer-links a:hover{ color:var(--c-accent-soft); border-bottom-color:var(--c-accent-soft); }
  .footer-bottom{
    margin-top:50px; border-top:1px solid rgba(255,255,255,.14);
    padding:20px 0 28px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
    font-size:13px; color:rgba(255,255,255,.5);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .mainnav{ display:none; }
    .nav-actions .btn-primary{ display:none; }
    .nav-toggle{ display:inline-flex; margin-left:auto; }
    .nav-actions{ margin-left:auto; }
    .info-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
    .zig{ gap:36px; padding:38px 0; }
    .cta-band{ grid-template-columns:1fr; padding:40px 32px; gap:26px; }
  }
  @media (max-width:767px){
    .section{ padding:58px 0; }
    .section--tight{ padding:46px 0; }
    .topbar-note{ display:none; }
    .topbar-inner{ justify-content:space-between; }
    .zig{ grid-template-columns:1fr; gap:24px; padding:32px 0; }
    .zig:nth-child(even) .zig-media,
    .zig:nth-child(even) .zig-body{ order:0; }
    .page-head{ padding:36px 0 0; }
    .banner img{ aspect-ratio:16/9; }
    .cmp{ grid-template-columns:1fr; }
    .cta-row{ flex-direction:column; }
    .cta-row .btn{ width:100%; }
    .faq-answer{ padding-right:8px; }
  }
  @media (max-width:559px){
    .container{ padding:0 20px; }
    .brand-text em{ display:none; }
    .info-grid{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:1fr; }
    .section-head{ margin-bottom:30px; }
    .cta-band{ padding:34px 22px; }
  }

/* roulang page: category3 */
:root{
    --c-ink:#17181A;
    --c-ink-2:#4A4A46;
    --c-primary:#14453C;
    --c-primary-deep:#0C2E28;
    --c-accent:#C2543A;
    --c-accent-soft:#E8C9BC;
    --c-bg:#F7F3EC;
    --c-surface:#FFFFFF;
    --c-line:#E2DCD1;
    --c-mute:#EDE7DC;
    --f-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
    --f-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    --sh-1:0 1px 2px rgba(23,24,26,.04), 0 8px 24px -12px rgba(23,24,26,.10);
    --sh-2:0 14px 34px -14px rgba(20,69,60,.28);
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:var(--f-sans);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{font-family:var(--f-serif);font-weight:600;color:var(--c-ink);margin:0;}
  h1{font-size:48px;line-height:1.18;}
  h2{font-size:32px;line-height:1.3;}
  h3{font-size:21px;line-height:1.45;}
  p{margin:0;}
  a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out;}
  a:hover{color:var(--c-accent);}
  img{display:block;max-width:100%;height:auto;}
  button,input{font:inherit;color:inherit;}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .section{padding:96px 0;}
  .section-tight{padding:64px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.06em;color:var(--c-accent);
    text-transform:uppercase;font-weight:600;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);display:block;}
  .lead{color:var(--c-ink-2);font-size:17px;line-height:1.85;}
  .muted{color:var(--c-ink-2);font-size:15px;line-height:1.85;}
  .divider{height:1px;background:var(--c-line);border:0;margin:0;}

  /* 顶部信息条 */
  .topbar{background:var(--c-primary-deep);color:#fff;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;font-size:13px;}
  .topbar-brand{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-link{color:#fff;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-weight:500;}
  .topbar-link:hover{color:var(--c-accent-soft);}

  /* 主导航 */
  .site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid transparent;transition:box-shadow .22s ease-out,border-color .22s ease-out;}
  .site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
  .navrow{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{width:36px;height:36px;border-radius:9px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-family:var(--f-serif);font-size:18px;line-height:1;}
  .brand-name{font-family:var(--f-serif);font-size:19px;font-weight:600;color:var(--c-ink);letter-spacing:.01em;}
  .mainnav{display:flex;align-items:center;gap:28px;}
  .nav-link{position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;}
  .nav-link:hover{color:var(--c-accent);}
  .nav-link.is-active{color:var(--c-primary);font-weight:600;}
  .nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-accent);border-radius:2px;}
  .nav-actions{display:flex;align-items:center;gap:12px;}
  .menu-btn{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-btn);align-items:center;justify-content:center;cursor:pointer;}

  .drawer-mask{position:fixed;inset:0;background:rgba(12,46,40,.42);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;z-index:70;}
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--c-bg);z-index:80;transform:translateX(102%);transition:transform .26s ease-out;display:flex;flex-direction:column;padding:20px;box-shadow:-12px 0 32px -20px rgba(12,46,40,.5);}
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .drawer a.drawer-link{display:flex;align-items:center;height:48px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
  .drawer a.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
  .drawer-close{width:40px;height:40px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:10px;cursor:pointer;}
  .drawer-foot{margin-top:auto;}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .22s ease-out,background-color .22s ease-out,color .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
  .btn-primary{background:var(--c-primary);color:#fff;}
  .btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-accent{background:var(--c-accent);color:#fff;}
  .btn-accent:hover{background:#A8452F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-accent:active{transform:translateY(0);}
  .btn-outline{background:var(--c-surface);border-color:var(--c-line);color:var(--c-primary);}
  .btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--c-accent);padding:0 2px;min-height:auto;}
  .btn-ghost:hover{color:var(--c-primary);}

  /* 页头 */
  .page-hero{background:var(--c-bg);padding:72px 0 0;}
  .page-hero h1{margin:18px 0 20px;max-width:960px;}
  .page-hero .lead{max-width:760px;}
  .hero-media{margin:40px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);position:relative;background:var(--c-mute);}
  .hero-media img{width:100%;aspect-ratio:16/6;object-fit:cover;}
  .hero-media::after{content:"";position:absolute;inset:0;background:var(--c-primary);opacity:.08;pointer-events:none;}
  .hero-note{position:absolute;left:24px;bottom:20px;color:#fff;font-size:13px;letter-spacing:.06em;background:rgba(12,46,40,.72);padding:6px 12px;border-radius:999px;}

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
  .section-head h2{margin-top:12px;}
  .section-head .muted{max-width:520px;}

  /* 编号网格 */
  .num-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .num-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 26px 26px 26px;transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;}
  .num-card::before{content:"";position:absolute;left:26px;top:0;width:2px;height:0;background:var(--c-accent);transition:height .24s ease-out;}
  .num-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-accent-soft);}
  .num-card:hover::before{height:52px;}
  .num-card .num{font-family:var(--f-serif);font-size:30px;color:var(--c-accent);display:block;line-height:1;margin-bottom:14px;}
  .num-card h3{margin-bottom:10px;}
  .num-card p{color:var(--c-ink-2);font-size:15px;line-height:1.85;}

  /* 信息格 */
  .info-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
  .info-cell{padding:28px 24px;border-right:1px solid var(--c-line);}
  .info-cell:last-child{border-right:0;}
  .info-cell h3{font-size:18px;margin-bottom:10px;color:var(--c-primary);}
  .info-cell p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}
  .info-cell .kicker{font-size:12px;letter-spacing:.08em;color:var(--c-accent);font-weight:600;display:block;margin-bottom:8px;}

  /* 图文区块 */
  .split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
  .split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);position:relative;background:var(--c-mute);}
  .split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .split-media::after{content:"";position:absolute;inset:0;background:var(--c-primary);opacity:.08;pointer-events:none;}
  .check-list{list-style:none;padding:0;margin:22px 0 0;}
  .check-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--c-ink-2);font-size:15px;line-height:1.8;}
  .check-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}

  /* 横向清单条 */
  .rowlist{border-top:1px solid var(--c-line);}
  .row-item{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;padding:22px 12px;border-bottom:1px solid var(--c-line);transition:background-color .2s ease-out;}
  .row-item:hover{background:var(--c-mute);}
  .row-item .idx{font-family:var(--f-serif);font-size:20px;color:var(--c-accent);}
  .row-item h3{font-size:18px;margin-bottom:6px;transition:color .2s ease-out;}
  .row-item:hover h3{color:var(--c-accent);}
  .row-item p{font-size:14px;line-height:1.75;color:var(--c-ink-2);}
  .row-arrow{width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-primary);background:var(--c-surface);}
  .row-item:hover .row-arrow{border-color:var(--c-accent);color:var(--c-accent);}

  /* FAQ */
  .faq-wrap{max-width:880px;}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 0;font-family:var(--f-serif);font-size:16px;font-weight:600;color:var(--c-primary);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--c-accent);}
  .faq-item .chev{flex:0 0 auto;width:24px;height:24px;line-height:22px;text-align:center;border:1px solid var(--c-line);border-radius:50%;font-size:14px;color:var(--c-accent);transition:transform .22s ease-out;}
  .faq-item[open] .chev{transform:rotate(45deg);}
  .faq-item .answer{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--c-ink-2);max-width:800px;}

  /* CTA */
  .cta-block{background:var(--c-primary-deep);color:#fff;border-radius:var(--r-card);padding:44px;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;}
  .cta-block h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:12px;}
  .cta-block p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;}
  .cta-form{display:flex;gap:12px;}
  .cta-form input{flex:1;min-height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.28);background:#fff;color:var(--c-ink);}
  .cta-form input:focus{outline:2px solid var(--c-accent);outline-offset:2px;}
  .cta-hint{margin-top:12px;font-size:12px;color:rgba(255,255,255,.62);}
  .cta-feedback{margin-top:8px;font-size:12px;color:var(--c-accent-soft);min-height:18px;}

  /* 页脚 */
  .footer{background:var(--c-primary-deep);color:rgba(255,255,255,.74);padding:72px 0 0;margin-top:96px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{background:var(--c-accent);}
  .footer-brand strong{font-family:var(--f-serif);font-size:18px;color:#fff;font-weight:600;}
  .footer h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
  .footer-note{font-size:14px;line-height:1.8;max-width:380px;}
  .footer-links{list-style:none;padding:0;margin:0;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a{color:rgba(255,255,255,.74);font-size:14px;}
  .footer-links a:hover{color:var(--c-accent-soft);}
  .footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.6);}

  @media (max-width:1023px){
    h1{font-size:34px;}
    h2{font-size:26px;}
    .section{padding:72px 0;}
    .mainnav{display:none;}
    .menu-btn{display:inline-flex;}
    .num-grid{grid-template-columns:1fr;}
    .info-grid{grid-template-columns:repeat(2,1fr);}
    .info-cell:nth-child(2n){border-right:0;}
    .info-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
    .split{grid-template-columns:1fr;gap:28px;}
    .cta-block{grid-template-columns:1fr;padding:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:767px){
    .container{padding:0 20px;}
    h1{font-size:28px;}
    h2{font-size:23px;}
    .section{padding:56px 0;}
    .page-hero{padding:44px 0 0;}
    .hero-media img{aspect-ratio:16/10;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
    .row-item{grid-template-columns:44px 1fr;gap:14px;}
    .row-arrow{display:none;}
    .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;}
    .topbar-brand{font-size:12px;}
  }