/* roulang page: index */
:root{
  --pine:#123C33;
  --pine-deep:#0B2A24;
  --clay:#C2492A;
  --clay-hover:#A93C21;
  --clay-soft:#FBE9E2;
  --gold:#E3A73C;
  --cream:#FAF6EF;
  --sand:#F1ECE1;
  --white:#FFFFFF;
  --ink:#1C2521;
  --muted:#5B6A63;
  --line:#E2DACB;
  --dark-text:#F7F1E6;
  --dark-muted:#C7D2CC;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 2px 8px rgba(18,60,51,.06);
  --shadow-2:0 12px 28px rgba(18,60,51,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(227,167,60,.45);border-radius:8px;}
.container-site{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container-site{padding:0 24px;}}
@media (min-width:1024px){.container-site{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--pine);
  border-bottom:1px solid rgba(247,241,230,.12);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,42,36,.28);background:var(--pine-deep);}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--dark-muted);
  padding:6px 2px;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--dark-text);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  line-height:1.15;text-align:center;
}
.brand-main{
  font-size:19px;font-weight:800;color:#fff;letter-spacing:.02em;
}
.brand-main em{font-style:normal;color:var(--gold);}
.brand-sub{
  font-size:11px;letter-spacing:.22em;color:var(--dark-muted);margin-top:3px;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 20px;border-radius:999px;
  background:var(--clay);color:#FAF6EF;font-size:14px;font-weight:600;
  transition:background .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 8px 18px rgba(194,73,42,.32);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(247,241,230,.25);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--dark-text);border-radius:2px;transition:transform .25s ease, opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  background:var(--pine-deep);
  border-top:1px solid rgba(247,241,230,.12);
  padding:10px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-link{
  display:flex;align-items:center;height:52px;padding:0 4px;
  font-size:16px;color:var(--dark-text);
  border-bottom:1px solid rgba(247,241,230,.12);
}
.mobile-link:hover{color:var(--gold);}
.mobile-cta{
  display:flex;align-items:center;justify-content:center;height:48px;margin-top:18px;
  border-radius:12px;background:var(--clay);color:#FAF6EF;font-weight:600;
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-inner{grid-template-columns:44px 1fr 44px;height:64px;}
  .brand{grid-column:2;}
  .nav-toggle{display:flex;grid-column:3;}
  .brand-main{font-size:17px;}
}

/* ============ 按钮与链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-sm);
  padding:14px 28px;border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn-primary{background:var(--clay);color:#FAF6EF;}
.btn-primary:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 10px 22px rgba(194,73,42,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--dark-text);border-color:rgba(247,241,230,.42);}
.btn-ghost:hover{background:var(--dark-text);color:var(--pine);transform:translateY(-2px);}
.btn-secondary{background:transparent;color:var(--pine);border-color:var(--pine);}
.btn-secondary:hover{background:var(--pine);color:var(--dark-text);transform:translateY(-2px);}
.btn-secondary:active{transform:translateY(0);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pine);
  position:relative;padding-bottom:3px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--gold);transition:width .25s ease;border-radius:2px;
}
.link-arrow i{font-style:normal;transition:transform .25s ease;}
.link-arrow:hover{color:var(--clay);}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:76px 0;}}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-sand{background:var(--sand);}
.section-head{max-width:720px;margin-bottom:40px;}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--clay);background:var(--clay-soft);
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{
  font-size:24px;line-height:1.3;font-weight:700;color:var(--pine);margin-bottom:12px;
}
@media (min-width:768px){.section-head h2{font-size:30px;}}
@media (min-width:1024px){.section-head h2{font-size:33px;}}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--pine-deep);padding:64px 0 72px;}
@media (min-width:768px){.hero{padding:80px 0 88px;}}
@media (min-width:1024px){.hero{padding:96px 0 104px;}}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.6;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg, rgba(11,42,36,.86) 0%, rgba(18,60,51,.9) 60%, rgba(11,42,36,.94) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:64px;}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--gold);
  border:1px solid rgba(227,167,60,.42);border-radius:999px;
  padding:6px 16px;margin-bottom:22px;
}
.hero h1{
  font-size:30px;line-height:1.2;font-weight:800;color:#FFFFFF;
  letter-spacing:-.01em;margin-bottom:18px;
}
@media (min-width:768px){.hero h1{font-size:42px;}}
@media (min-width:1024px){.hero h1{font-size:52px;}}
.hero-sub{color:var(--dark-muted);font-size:16px;line-height:1.9;max-width:600px;margin-bottom:30px;}
@media (min-width:768px){.hero-sub{font-size:17px;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px 40px;}
.hero-meta div{display:flex;flex-direction:column;gap:2px;}
.hero-meta strong{font-size:22px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;}
.hero-meta span{font-size:13px;color:var(--dark-muted);}

.hero-card{
  position:relative;background:var(--cream);
  border:1px solid var(--pine);border-radius:var(--r-lg);
  padding:34px 28px 26px;box-shadow:var(--shadow-2);
}
.hero-card-tag{
  position:absolute;top:-14px;left:26px;
  background:var(--gold);color:#3A2A08;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:5px 16px;border-radius:999px;
}
.hero-card h2{font-size:19px;font-weight:700;color:var(--pine);margin-bottom:6px;}
.hero-card .card-note{font-size:13px;color:var(--muted);margin-bottom:20px;}
.hero-card ol{display:grid;gap:16px;margin-bottom:22px;}
.hero-card li{display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start;}
.hero-card li b{
  display:flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  background:var(--sand);color:var(--clay);font-size:13px;font-weight:800;
}
.hero-card li h3{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:2px;}
.hero-card li p{font-size:13px;color:var(--muted);line-height:1.7;}
.hero-card-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px dashed var(--line);padding-top:18px;gap:8px;
}
.hero-card-stats div{display:flex;flex-direction:column;gap:2px;}
.hero-card-stats strong{font-size:18px;font-weight:800;color:var(--pine);font-variant-numeric:tabular-nums;}
.hero-card-stats span{font-size:12px;color:var(--muted);}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:30px;}
@media (min-width:768px){
  .steps{grid-template-columns:1fr 1fr;gap:48px 56px;padding-bottom:32px;}
  .step:nth-child(odd){transform:translateY(32px);}
}
.step{position:relative;padding-left:6px;border-left:2px solid transparent;transition:border-color .25s ease;}
.step-num{
  display:block;font-size:44px;line-height:1;font-weight:800;
  color:var(--gold);opacity:.9;font-variant-numeric:tabular-nums;
  transition:color .25s ease;margin-bottom:10px;
}
.step h3{font-size:20px;font-weight:700;color:var(--pine);margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.85;}
.step:hover .step-num{color:var(--clay);}
.step::before{
  content:"";position:absolute;left:-6px;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--gold),transparent);
  opacity:.5;
}

/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.reward-grid{grid-template-columns:7fr 5fr;}}
.reward-feature{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease, box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.reward-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.reward-media{position:relative;aspect-ratio:16/10;background:var(--sand);overflow:hidden;}
.reward-media img{width:100%;height:100%;object-fit:cover;}
.reward-level{
  position:absolute;top:14px;right:14px;
  background:rgba(18,60,51,.9);color:var(--gold);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.reward-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-body h3{font-size:21px;font-weight:700;color:var(--pine);}
.reward-body p{font-size:15px;color:var(--muted);line-height:1.85;}
.reward-body .link-arrow{margin-top:auto;padding-top:6px;}
.reward-stack{display:grid;gap:20px;align-content:start;}
.reward-mini{
  display:grid;grid-template-columns:104px 1fr;gap:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease, box-shadow .25s ease;
}
.reward-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.reward-mini .mini-media{aspect-ratio:1/1;background:var(--sand);overflow:hidden;}
.reward-mini .mini-media img{width:100%;height:100%;object-fit:cover;}
.reward-mini .mini-body{padding:14px 16px;display:flex;flex-direction:column;gap:4px;justify-content:center;}
.reward-mini h3{font-size:16px;font-weight:700;color:var(--pine);}
.reward-mini p{font-size:13px;color:var(--muted);line-height:1.65;}
.reward-mini .mini-badge{
  align-self:flex-start;font-size:11px;font-weight:700;color:var(--clay);
  background:var(--clay-soft);padding:2px 10px;border-radius:999px;margin-top:2px;
}

/* ============ 进度带 ============ */
.progress-band{
  position:relative;overflow:hidden;background:var(--pine);color:var(--dark-text);
  padding:56px 0;
}
@media (min-width:1024px){.progress-band{padding:80px 0;}}
.progress-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.progress-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.progress-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:56px;}}
.progress-band .kicker{background:rgba(227,167,60,.16);color:var(--gold);}
.progress-band h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:12px;}
@media (min-width:768px){.progress-band h2{font-size:30px;}}
.progress-band .lead{color:var(--dark-muted);font-size:15px;line-height:1.85;max-width:640px;margin-bottom:28px;}
.progress-list{display:grid;gap:6px;max-width:760px;}
.progress-row{padding:16px 0;border-bottom:1px solid rgba(247,241,230,.14);}
.progress-row:last-child{border-bottom:none;}
.p-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.p-name{font-size:15px;font-weight:600;color:#F7F1E6;flex:1;min-width:150px;}
.p-val{font-size:14px;color:var(--gold);font-variant-numeric:tabular-nums;}
.p-badge{font-size:11px;font-weight:700;padding:2px 10px;border-radius:999px;letter-spacing:.02em;}
.p-badge.done{background:rgba(227,167,60,.18);color:var(--gold);}
.p-badge.doing{background:rgba(194,73,42,.28);color:#F3C6B7;}
.p-badge.wait{background:rgba(247,241,230,.12);color:var(--dark-muted);}
.p-track{height:8px;border-radius:999px;background:rgba(247,241,230,.2);overflow:hidden;}
.p-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--clay));}
.progress-action .btn{width:100%;}
@media (min-width:1024px){.progress-action .btn{width:auto;padding:16px 40px;}}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.news-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .25s ease, box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-media{aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag{
  align-self:flex-start;font-size:12px;font-weight:700;
  color:#4A3508;background:rgba(227,167,60,.24);
  padding:3px 12px;border-radius:999px;
}
.news-body h3{
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-body h3{color:var(--pine);}
.news-body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.news-foot .arrow{color:var(--clay);font-weight:700;transition:transform .25s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:56px 24px;text-align:center;
  background:var(--sand);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.news-empty .empty-icon{font-size:26px;color:var(--gold);}
.news-empty p{font-size:15px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .25s ease, box-shadow .25s ease;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--clay);transform:scaleY(0);transform-origin:top;
  transition:transform .28s ease;
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-item.is-open{border-color:rgba(194,73,42,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 28px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--pine);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--sand);color:var(--pine);font-size:16px;font-weight:700;line-height:1;
  transition:background .25s ease, color .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--clay);color:#FAF6EF;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 28px 24px;border-top:1px solid var(--line);margin-top:0;}
.faq-a-inner p{padding-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--pine-deep);padding:64px 0;}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.35;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(11,42,36,.94), rgba(18,60,51,.82));
}
.cta-inner{position:relative;z-index:2;display:grid;gap:28px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;gap:56px;}}
.cta-inner h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:12px;}
@media (min-width:768px){.cta-inner h2{font-size:32px;}}
.cta-inner p{color:var(--dark-muted);font-size:16px;line-height:1.85;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:767px){.cta-actions .btn{width:100%;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--pine);color:var(--dark-text);padding:56px 0 28px;}
@media (min-width:1024px){.site-footer{padding:72px 0 30px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}}
.footer-brand .brand-main{font-size:20px;color:#fff;font-weight:800;}
.footer-brand .brand-main em{font-style:normal;color:var(--gold);}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--dark-muted);line-height:1.85;max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:var(--dark-text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--dark-muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,241,230,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(199,210,204,.78);
}
.footer-bottom a:hover{color:var(--gold);}

/* roulang page: article */
:root{
  --green:#123C33;
  --green-deep:#0B2A24;
  --clay:#C2492A;
  --clay-dark:#A93C21;
  --clay-soft:#FBE9E2;
  --gold:#E3A73C;
  --bg:#FAF6EF;
  --sand:#F1ECE1;
  --card:#FFFFFF;
  --ink:#1C2521;
  --muted:#5B6A63;
  --line:#E2DACB;
  --radius-lg:18px;
  --radius-md:14px;
  --shadow-sm:0 2px 8px rgba(18,60,51,.06);
  --shadow-md:0 12px 28px rgba(18,60,51,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--green);font-weight:700}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(227,167,60,.45);border-radius:6px}
.container-site{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (max-width:1024px){.container-site{padding:0 24px}}
@media (max-width:640px){.container-site{padding:0 20px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,246,239,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(18,60,51,.08)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:16px;height:76px;
  transition:height .22s ease;
}
.site-header.scrolled .header-inner{height:64px}
.nav-left{display:flex;align-items:center;gap:26px}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:22px}
.nav-links-right{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink);padding:6px 0;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--green);font-weight:600}
.brand{display:inline-flex;align-items:center;justify-content:center}
.brand-main{
  font-size:19px;font-weight:800;letter-spacing:.3px;color:var(--green);
  white-space:nowrap;
}
.brand-main em{font-style:normal;color:var(--clay)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--green);
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--sand)}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle.is-open{background:var(--green);border-color:var(--green);color:#F7F1E6}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--bg)}
.mobile-panel.open{display:block}
.mobile-inner{padding:12px 20px 24px;display:flex;flex-direction:column}
.mobile-link{
  display:block;line-height:52px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .18s ease,padding-left .18s ease;
}
.mobile-link:hover{color:var(--clay);padding-left:6px}
.mobile-cta{margin-top:18px;width:100%}

/* ============ buttons & badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:14px 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--clay);color:#FAF6EF;box-shadow:0 6px 16px rgba(194,73,42,.18)}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(194,73,42,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(194,73,42,.2)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#F7F1E6;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5;
}
.badge-gold{background:rgba(227,167,60,.16);color:#8A5A12}
.badge-clay{background:var(--clay-soft);color:var(--clay)}
.badge-sand{background:var(--sand);color:#4A574F}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--green);position:relative;transition:color .18s ease;
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover{color:var(--clay)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ article hero ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  padding:40px 0 52px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.article-hero .container-site{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--clay)}
.breadcrumb .sep{color:#B9B0A0}
.breadcrumb .current{
  color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (max-width:640px){.breadcrumb .current{max-width:220px}}
.article-title{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;line-height:1.22;letter-spacing:-.5px;
  color:var(--green);max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:16px;
  margin-top:24px;font-size:13px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BCAB}

/* ============ article layout ============ */
.article-main{padding:64px 0 88px}
@media (max-width:768px){.article-main{padding:44px 0 64px}}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;align-items:start;
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:36px}
}
.article-content{max-width:760px}
.paper{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:40px 44px;
}
@media (max-width:768px){.paper{padding:26px 22px}}
.rich-text{font-size:16px;color:var(--ink)}
.rich-text p{margin:0 0 20px;line-height:1.9}
.rich-text h1,.rich-text h2{
  font-size:27px;line-height:1.4;font-weight:700;color:var(--green);
  margin:38px 0 16px;padding-left:14px;border-left:3px solid var(--gold);
}
.rich-text h3{
  font-size:21px;line-height:1.45;font-weight:600;color:var(--green);
  margin:30px 0 12px;padding-left:14px;border-left:3px solid var(--gold);
}
.rich-text h4{font-size:18px;font-weight:600;margin:24px 0 10px;color:var(--green)}
.rich-text a{color:var(--clay);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease}
.rich-text a:hover{color:var(--clay-dark)}
.rich-text ul,.rich-text ol{margin:0 0 22px;padding:0}
.rich-text ul li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85}
.rich-text ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;
  border-radius:50%;background:var(--gold);
}
.rich-text ol{counter-reset:art-list}
.rich-text ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:art-list;line-height:1.85}
.rich-text ol li::before{
  content:counter(art-list);position:absolute;left:0;top:1px;
  width:20px;height:20px;border-radius:50%;background:var(--sand);
  color:#8A5A12;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.rich-text blockquote{
  margin:28px 0;padding:20px 24px;
  background:var(--sand);border-left:3px solid var(--clay);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#3A463F;font-size:15.5px;
}
.rich-text blockquote p:last-child{margin-bottom:0}
.rich-text img{border-radius:12px;max-width:100%;height:auto;margin:26px auto}
.rich-text table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px}
.rich-text th,.rich-text td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.rich-text th{background:var(--sand);color:var(--green);font-weight:600}
.rich-text hr{border:none;border-top:1px solid var(--line);margin:34px 0}
.empty-state{
  text-align:center;padding:56px 24px;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--sand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--clay);
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:24px}

/* ============ sidebar ============ */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
@media (max-width:1024px){.article-side{position:static}}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm);
}
.side-title{
  font-size:15px;font-weight:700;color:var(--green);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.side-list li{margin-bottom:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--muted);padding:9px 0;
  border-bottom:1px dashed rgba(226,218,203,.8);
  transition:color .18s ease,padding-left .18s ease;
}
.side-list li:last-child a{border-bottom:none}
.side-list a:hover{color:var(--clay);padding-left:4px}
.side-list a svg{width:14px;height:14px;opacity:.6}
.side-cta{
  background:var(--green);border-radius:var(--radius-md);padding:24px;
  color:#F7F1E6;
}
.side-cta p{font-size:14px;line-height:1.7;color:#C7D2CC;margin-bottom:16px}
.side-cta .btn{width:100%;background:var(--gold);color:#3A2A08;box-shadow:none}
.side-cta .btn:hover{background:#D69A2F;color:#2B1F06}

/* ============ related ============ */
.related-section{background:var(--sand);padding:80px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:768px){.related-section{padding:52px 0}}
.section-head{max-width:720px;margin-bottom:36px}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.3px}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){.related-grid{grid-template-columns:1fr}}
.related-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D3C9B6}
.related-thumb{aspect-ratio:16/9;background:var(--sand);overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.related-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--green)}
.related-body p{font-size:14px;color:var(--muted);line-height:1.75;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:13px;color:var(--muted);padding-top:8px;
}
.related-foot svg{width:16px;height:16px;color:var(--clay);transition:transform .2s ease}
.related-card:hover .related-foot svg{transform:translateX(4px)}

/* ============ back bar & cta ============ */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;padding:28px 0 0;
}
.cta-band{
  background:var(--green-deep);color:#F7F1E6;
  border-radius:var(--radius-lg);padding:48px;
  position:relative;overflow:hidden;margin-top:56px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(247,241,230,.05) 0 1px,transparent 1px 12px);
}
.cta-band-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#F7F1E6;font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.2px}
.cta-band p{margin-top:12px;font-size:15px;color:#C7D2CC;max-width:620px;line-height:1.85}
.cta-band .btn-primary{box-shadow:0 8px 20px rgba(0,0,0,.24)}
@media (max-width:768px){.cta-band{padding:32px 24px}}

/* ============ footer ============ */
.site-footer{background:var(--green);color:#C7D2CC;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-brand .brand-main{font-size:18px;color:#F7F1E6;display:inline-block;margin-bottom:14px}
.footer-brand .brand-main em{color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.9;color:#C7D2CC;max-width:340px}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F1E6;margin-bottom:16px}
.footer-col li{margin-bottom:11px;font-size:14px;line-height:1.7}
.footer-col a{color:#C7D2CC;transition:color .18s ease}
.footer-col a:hover{color:var(--gold)}
.footer-col span{color:#C7D2CC}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,241,230,.18);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#A9B7B0;
}
@media (max-width:900px){
  .header-inner{display:flex;justify-content:space-between;height:64px}
  .site-header.scrolled .header-inner{height:60px}
  .nav-left{display:none}
  .nav-links-right{display:none}
  .nav-right>.btn{display:none}
  .nav-toggle{display:inline-flex}
  .brand{order:1}
  .nav-right{order:2}
  .nav-left{order:0}
}

/* roulang page: category1 */
:root{
    --ink:#123C33;
    --ink-deep:#0B2A24;
    --clay:#C2492A;
    --clay-hover:#A93C21;
    --clay-soft:#FBE9E2;
    --gold:#E3A73C;
    --bg:#FAF6EF;
    --sand:#F1ECE1;
    --card:#FFFFFF;
    --text:#1C2521;
    --muted:#5B6A63;
    --line:#E2DACB;
    --cream:#F7F1E6;
    --cream-muted:#C7D2CC;
    --radius:18px;
    --radius-sm:14px;
    --shadow:0 2px 8px rgba(18,60,51,.06);
    --shadow-hover:0 12px 28px rgba(18,60,51,.12);
    --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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  :focus-visible{outline:0;box-shadow:0 0 0 3px rgba(227,167,60,.45);}
  .num{font-variant-numeric:tabular-nums;}

  /* 容器 */
  .container-site{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(250,246,239,.96);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 8px 22px rgba(18,60,51,.09);}
  .nav-shell{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:18px;
    min-height:76px;
  }
  .nav-left{display:flex;align-items:center;gap:26px;}
  .nav-right{display:flex;align-items:center;justify-content:flex-end;gap:24px;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    font-size:15px;
    font-weight:500;
    color:var(--muted);
    padding:6px 0;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;left:0;right:0;bottom:-3px;height:2px;
    background:var(--gold);
    transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);font-weight:700;}
  .nav-link.active::after{transform:scaleX(1);}
  .brand-logo{
    display:inline-flex;
    align-items:center;
    font-size:20px;
    font-weight:800;
    letter-spacing:.2px;
    color:var(--ink);
    white-space:nowrap;
  }
  .brand-logo em{font-style:normal;color:var(--clay);}
  .nav-btn{
    display:inline-flex;align-items:center;justify-content:center;
    padding:9px 18px;
    border-radius:999px;
    background:var(--clay);
    color:var(--cream);
    font-size:14px;font-weight:600;
    box-shadow:0 4px 12px rgba(194,73,42,.18);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .nav-btn:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 12px 22px rgba(194,73,42,.24);}
  .nav-btn:active{transform:translateY(0);box-shadow:0 4px 10px rgba(194,73,42,.2);}
  .nav-toggle{
    display:none;
    align-items:center;justify-content:center;
    width:44px;height:44px;
    border:1px solid var(--line);
    border-radius:12px;
    color:var(--ink);
    background:var(--card);
    transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:var(--sand);border-color:var(--ink);}
  .nav-toggle svg{width:20px;height:20px;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;
    border-radius:12px;
    font-size:15px;font-weight:600;
    transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--clay);color:var(--cream);box-shadow:0 6px 16px rgba(194,73,42,.2);}
  .btn-primary:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 14px 26px rgba(194,73,42,.26);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(194,73,42,.2);}
  .btn-ghost{background:transparent;border:1px solid var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--cream);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-arrow::after{content:"→";transition:transform .2s ease;}
  .btn-arrow:hover::after{transform:translateX(4px);}
  .btn-sm{padding:11px 20px;font-size:14px;}

  /* 页头带 */
  .page-head{
    position:relative;
    overflow:hidden;
    background:var(--sand);
    border-bottom:1px solid var(--line);
    padding:64px 0 76px;
  }
  .page-head::before{
    content:"";
    position:absolute;inset:0;
    background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
    opacity:.10;
  }
  .page-head > .container-site{position:relative;z-index:1;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:24px;}
  .breadcrumb a{transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--clay);}
  .breadcrumb .sep{color:#C6BCA9;}
  .breadcrumb .current{color:var(--text);}
  .page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--clay-soft);
    border:1px solid rgba(194,73,42,.18);
    color:var(--clay);
    font-size:13px;font-weight:700;letter-spacing:.04em;
    padding:6px 14px;border-radius:999px;
    margin-bottom:20px;
  }
  .page-head h1{
    font-size:clamp(30px,4.2vw,50px);
    line-height:1.15;
    font-weight:800;
    letter-spacing:-.5px;
    color:var(--ink);
  }
  .page-head .lead{
    margin-top:18px;
    max-width:560px;
    font-size:17px;
    line-height:1.85;
    color:var(--muted);
  }
  .head-stats{
    display:flex;flex-wrap:wrap;gap:34px;
    margin-top:30px;
    padding-top:24px;
    border-top:1px solid rgba(18,60,51,.12);
  }
  .head-stat .stat-num{display:block;font-size:22px;font-weight:800;color:var(--ink);line-height:1.3;}
  .head-stat .stat-label{font-size:13px;color:var(--muted);}
  .head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .head-figure{
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--card);
    box-shadow:var(--shadow-hover);
  }
  .head-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  /* 主体分栏 */
  .section{padding:88px 0;}
  .section-tight{padding:56px 0 88px;}
  .layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:52px;align-items:start;}

  .block{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:32px;
    box-shadow:var(--shadow);
    transition:box-shadow .25s ease;
  }
  .block:hover{box-shadow:var(--shadow-hover);}
  .block + .block{margin-top:26px;}
  .block-title{
    display:flex;align-items:center;gap:12px;
    font-size:22px;font-weight:700;color:var(--ink);
    line-height:1.4;
  }
  .block-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--gold);flex:none;}
  .block-sub{margin-top:8px;font-size:14px;color:var(--muted);}
  .block-body{margin-top:22px;}
  .block p{font-size:15px;line-height:1.9;color:var(--muted);}
  .block p + p{margin-top:14px;}

  /* 结论式条目卡 */
  .verdict-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .verdict{
    background:var(--sand);
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    padding:22px 20px;
    transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
  }
  .verdict:hover{transform:translateY(-3px);background:var(--card);box-shadow:var(--shadow-hover);}
  .verdict .v-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:999px;
    background:var(--ink);color:var(--gold);
    font-size:13px;font-weight:800;
    margin-bottom:14px;
  }
  .verdict h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5;}
  .verdict p{font-size:14px;line-height:1.8;color:var(--muted);}

  /* 编号清单 */
  .steps{display:grid;gap:6px;counter-reset:step;}
  .steps li{
    counter-increment:step;
    position:relative;
    padding:18px 0 18px 66px;
    border-bottom:1px dashed var(--line);
    transition:background .2s ease;
  }
  .steps li:last-child{border-bottom:0;padding-bottom:0;}
  .steps li::before{
    content:counter(step,decimal-leading-zero);
    position:absolute;left:0;top:16px;
    font-size:24px;font-weight:800;
    line-height:1.2;
    color:var(--gold);
    font-variant-numeric:tabular-nums;
    transition:color .22s ease;
  }
  .steps li:hover::before{color:var(--clay);}
  .step-title{display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:4px;}
  .step-desc{display:block;font-size:14.5px;line-height:1.85;color:var(--muted);}

  /* 对照表 */
  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);}
  .compare{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px;}
  .compare th{
    text-align:left;
    background:var(--sand);
    color:var(--ink);
    font-weight:700;
    padding:14px 18px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .compare td{
    padding:15px 18px;
    border-bottom:1px solid var(--line);
    color:var(--muted);
    line-height:1.8;
    vertical-align:top;
  }
  .compare tr:last-child td{border-bottom:0;}
  .compare td:first-child{color:var(--ink);font-weight:600;}
  .compare tbody tr:hover{background:#FDFBF6;}

  /* 问答区 */
  .qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .qa-item{
    background:#FDFBF6;
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    padding:22px;
    transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
  }
  .qa-item:hover{transform:translateY(-3px);background:var(--card);box-shadow:var(--shadow-hover);}
  .qa-item h3{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;margin-bottom:8px;}
  .qa-item p{font-size:14px;line-height:1.8;color:var(--muted);}

  /* 侧栏 */
  .side-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:24px;
    box-shadow:var(--shadow);
  }
  .side-card + .side-card{margin-top:20px;}
  .side-title{
    font-size:15px;font-weight:700;color:var(--ink);
    padding-bottom:12px;margin-bottom:8px;
    border-bottom:1px solid var(--line);
  }
  .side-links li a{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:11px 0;
    font-size:14px;color:var(--muted);
    border-bottom:1px dashed var(--line);
    transition:color .2s ease,padding-left .2s ease;
  }
  .side-links li:last-child a{border-bottom:0;}
  .side-links li a:hover{color:var(--ink);padding-left:5px;}
  .side-links li a .tag{
    font-size:11px;font-weight:700;color:var(--clay);
    background:var(--clay-soft);
    padding:2px 8px;border-radius:999px;flex:none;
  }
  .side-links li a.is-current{color:var(--ink);font-weight:700;}
  .side-links li a.is-current::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none;margin-right:-2px;
  }
  .side-links li a.is-current{justify-content:flex-start;}
  .side-note{
    font-size:13.5px;line-height:1.85;color:var(--muted);
    background:var(--sand);
    border-radius:var(--radius-sm);
    padding:16px;
    margin-top:14px;
  }
  .side-actions{display:grid;gap:10px;}
  .side-actions .btn{width:100%;}

  /* CTA 条 */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--cream);
    border-radius:24px;
    padding:52px;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
  }
  .cta-band::after{
    content:"";
    position:absolute;inset:0;
    background:repeating-linear-gradient(135deg,rgba(247,241,230,.05) 0 2px,transparent 2px 12px);
    pointer-events:none;
  }
  .cta-band > *{position:relative;z-index:1;}
  .cta-band h2{
    font-size:clamp(22px,2.6vw,30px);
    font-weight:800;line-height:1.3;color:var(--cream);
  }
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--cream-muted);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}
  .cta-band .btn-ghost{border-color:rgba(247,241,230,.45);color:var(--cream);}
  .cta-band .btn-ghost:hover{background:var(--cream);color:var(--ink);border-color:var(--cream);}

  /* 页脚 */
  .site-footer{background:var(--ink-deep);color:var(--cream-muted);padding:72px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
  .footer-brand .brand-main{display:block;font-size:19px;font-weight:800;color:var(--cream);margin-bottom:14px;}
  .footer-brand .brand-main em{font-style:normal;color:var(--gold);}
  .footer-brand p{font-size:14px;line-height:1.85;max-width:330px;color:var(--cream-muted);}
  .footer-col h3{font-size:14px;font-weight:700;color:var(--cream);margin-bottom:16px;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a,.footer-col span{font-size:14px;color:var(--cream-muted);line-height:1.7;transition:color .2s ease;}
  .footer-col a:hover{color:var(--gold);}
  .footer-bottom{
    border-top:1px solid rgba(247,241,230,.18);
    padding:22px 0 28px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:rgba(199,210,204,.82);
  }

  /* 响应式 */
  @media (max-width:1024px){
    .container-site{padding:0 24px;}
    .page-head-grid{grid-template-columns:1fr;gap:36px;}
    .head-figure{order:-1;}
    .head-figure img{aspect-ratio:16/9;}
    .layout{grid-template-columns:1fr;gap:36px;}
    .verdict-grid{grid-template-columns:1fr;}
    .qa-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .section{padding:64px 0;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  }
  @media (max-width:900px){
    .nav-shell{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:12px 0;min-height:auto;}
    .brand-logo{order:1;font-size:17px;}
    .nav-toggle{order:2;display:inline-flex;}
    .nav-left{
      order:3;width:100%;display:none;flex-direction:column;align-items:stretch;gap:0;
      margin-top:12px;padding-top:4px;border-top:1px solid var(--line);
    }
    .nav-right{order:4;width:100%;display:none;flex-direction:column;align-items:stretch;gap:0;}
    .nav-shell.is-open .nav-left,.nav-shell.is-open .nav-right{display:flex;}
    .nav-link{padding:14px 2px;font-size:15px;border-bottom:1px solid var(--line);}
    .nav-link::after{display:none;}
    .nav-link.active{color:var(--clay);}
    .nav-btn{margin:14px 0 6px;width:100%;padding:13px 18px;}
  }
  @media (max-width:640px){
    .container-site{padding:0 20px;}
    .page-head{padding:40px 0 56px;}
    .page-head .lead{font-size:15.5px;}
    .head-stats{gap:24px;}
    .head-actions .btn{width:100%;}
    .block{padding:24px 20px;}
    .block-title{font-size:19px;}
    .steps li{padding-left:54px;}
    .steps li::before{font-size:20px;top:18px;}
    .section{padding:52px 0;}
    .cta-band{padding:32px 24px;border-radius:18px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:520px){
    .brand-logo{font-size:15.5px;}
    .head-stats{gap:18px;}
    .head-stat .stat-num{font-size:19px;}
  }

/* roulang page: category3 */
:root{
    --green:#123C33;
    --green-dark:#0B2A24;
    --clay:#C2492A;
    --clay-dark:#A93C21;
    --clay-soft:#FBE9E2;
    --gold:#E3A73C;
    --bg:#FAF6EF;
    --sand:#F1ECE1;
    --white:#FFFFFF;
    --ink:#1C2521;
    --muted:#5B6A63;
    --line:#E2DACB;
    --dark-text:#F7F1E6;
    --dark-muted:#C7D2CC;
    --r-lg:18px;
    --r-md:14px;
    --shadow-sm:0 2px 8px rgba(18,60,51,.06);
    --shadow-md:0 12px 28px rgba(18,60,51,.12);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:none;box-shadow:0 0 0 3px rgba(227,167,60,.45);border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

  .container-site{max-width:1200px;margin:0 auto;padding:0 20px;}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:var(--green);
    border-bottom:1px solid rgba(247,241,230,.14);
    transition:height .2s ease, box-shadow .2s ease;
  }
  .site-header .container-site{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    height:76px;
    gap:20px;
    transition:height .2s ease;
  }
  .site-header.is-compact .container-site{height:64px;}
  .site-header.is-compact{box-shadow:0 6px 20px rgba(11,42,36,.28);}
  .nav-left{display:flex;align-items:center;gap:26px;}
  .nav-right{display:flex;align-items:center;gap:26px;justify-self:end;}
  .nav-link{
    position:relative;
    font-size:15px;
    color:var(--dark-muted);
    padding:6px 0;
    transition:color .18s ease;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--gold);transition:width .2s ease;
  }
  .nav-link:hover{color:var(--dark-text);}
  .nav-link:hover::after{width:100%;}
  .nav-link.active{color:var(--dark-text);font-weight:600;}
  .nav-link.active::after{width:100%;}
  .brand-logo{
    display:flex;flex-direction:column;align-items:center;line-height:1.1;
    color:var(--dark-text);text-align:center;
  }
  .brand-mark{font-size:20px;font-weight:800;letter-spacing:.02em;}
  .brand-mark em{color:var(--gold);font-style:normal;}
  .brand-sub{font-size:11px;letter-spacing:.16em;color:var(--dark-muted);margin-top:3px;}
  .nav-right-wrap{display:flex;align-items:center;justify-content:flex-end;gap:18px;grid-column:3;}
  .nav-cta{white-space:nowrap;}

  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;
    border:1px solid rgba(247,241,230,.28);background:transparent;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--dark-text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-menu{
    display:none;
    background:var(--green-dark);
    border-top:1px solid rgba(247,241,230,.14);
    max-height:0;overflow:hidden;
    transition:max-height .28s ease;
  }
  .mobile-menu.open{max-height:520px;}
  .mobile-menu .container-site{padding-top:8px;padding-bottom:22px;}
  .mobile-link{
    display:block;line-height:52px;font-size:15px;color:var(--dark-muted);
    border-bottom:1px solid rgba(247,241,230,.12);
  }
  .mobile-link.active{color:var(--gold);font-weight:600;}
  .mobile-cta{margin-top:18px;display:block;text-align:center;}

  /* ---------- Buttons / badges ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:12px;font-size:15px;font-weight:600;
    border:1px solid transparent;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
  .btn-primary{background:var(--clay);color:#FFF6F1;box-shadow:0 4px 14px rgba(194,73,42,.24);}
  .btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(194,73,42,.3);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(194,73,42,.24);}
  .btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
  .btn-ghost:hover{background:var(--green);color:var(--dark-text);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{background:var(--dark-text);color:var(--green);}
  .btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18);}
  .btn-outline-light{background:transparent;border-color:rgba(247,241,230,.5);color:var(--dark-text);}
  .btn-outline-light:hover{background:rgba(247,241,230,.12);border-color:var(--dark-text);transform:translateY(-2px);}
  .btn-block{width:100%;}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
    background:var(--sand);color:var(--green);
  }
  .badge-clay{background:var(--clay-soft);color:var(--clay-dark);}
  .badge-gold{background:rgba(227,167,60,.16);color:#8A5D0E;}

  /* ---------- Page head ---------- */
  .page-head{
    background:var(--sand);
    border-bottom:1px solid var(--line);
    padding:44px 0 52px;
    position:relative;
    overflow:hidden;
  }
  .page-head::after{
    content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
    border-radius:50%;background:rgba(227,167,60,.12);pointer-events:none;
  }
  .crumbs{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
  .crumbs a{color:var(--muted);transition:color .18s ease;}
  .crumbs a:hover{color:var(--clay);}
  .crumbs .sep{color:#B6AFA1;}
  .crumbs .now{color:var(--green);font-weight:600;}
  .page-head h1{
    font-size:44px;line-height:1.16;font-weight:800;color:var(--green);
    margin-top:18px;letter-spacing:-.01em;max-width:860px;
  }
  .page-head h1 em{font-style:normal;color:var(--clay);}
  .page-head .lede{
    margin-top:16px;max-width:760px;color:var(--muted);font-size:17px;line-height:1.8;
  }
  .head-meta{
    margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;
  }
  .head-meta .badge{background:#fff;border:1px solid var(--line);}

  /* ---------- Layout ---------- */
  .content-wrap{padding:72px 0 84px;}
  .layout{
    display:grid;
    grid-template-columns:minmax(0,2fr) minmax(0,1fr);
    gap:36px;
    align-items:start;
  }
  .content-col{min-width:0;display:flex;flex-direction:column;gap:34px;}
  .side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:104px;}

  .panel{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-sm);
    padding:30px;
  }
  .panel-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:8px;}
  .panel-head .idx{
    flex:none;width:34px;height:34px;border-radius:10px;
    background:rgba(227,167,60,.16);color:#8A5D0E;
    font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:center;
  }
  .section-title{font-size:27px;font-weight:700;color:var(--green);line-height:1.35;}
  .section-sub{color:var(--muted);font-size:15px;margin-top:10px;}

  /* Numbered conclusion list */
  .rule-list{margin-top:24px;display:flex;flex-direction:column;gap:0;}
  .rule-item{
    display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
    padding:22px 0;border-top:1px dashed var(--line);
  }
  .rule-item:first-child{border-top:none;padding-top:8px;}
  .rule-item .no{
    font-size:30px;font-weight:800;line-height:1;color:var(--gold);
    font-variant-numeric:tabular-nums;transition:color .2s ease;
  }
  .rule-item:hover .no{color:var(--clay);}
  .rule-item h3{font-size:19px;font-weight:700;color:var(--green);}
  .rule-item p{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.85;}

  /* Two-column compare cards */
  .compare-grid{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .compare-card{
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:24px;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFC3AE;}
  .compare-card .tag-row{display:flex;align-items:center;gap:8px;margin-bottom:14px;}
  .compare-card h3{font-size:19px;font-weight:700;color:var(--green);}
  .compare-card .lede-sm{color:var(--muted);font-size:14px;margin-top:8px;}
  .kv-list{margin-top:16px;border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:10px;}
  .kv-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;}
  .kv-list .k{color:var(--muted);flex:none;}
  .kv-list .v{color:var(--ink);font-weight:600;text-align:right;}

  /* Flow steps */
  .flow{margin-top:26px;display:grid;gap:16px;}
  .flow-step{
    display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:start;
    padding:18px 20px;border-radius:var(--r-md);
    background:var(--bg);border:1px solid var(--line);
    transition:background .2s ease,border-color .2s ease;
  }
  .flow-step:hover{background:#fff;border-color:#CFC3AE;}
  .flow-step .dot{
    width:34px;height:34px;border-radius:50%;background:var(--green);color:var(--dark-text);
    font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }
  .flow-step h4{font-size:17px;font-weight:700;color:var(--green);}
  .flow-step p{margin-top:6px;color:var(--muted);font-size:15px;}

  /* Notice card */
  .notice{
    background:var(--clay-soft);
    border:1px solid rgba(194,73,42,.2);
    border-left:3px solid var(--clay);
    border-radius:var(--r-md);
    padding:24px 26px;
  }
  .notice h3{font-size:18px;font-weight:700;color:var(--clay-dark);}
  .notice ul{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
  .notice li{position:relative;padding-left:18px;color:#7A3A25;font-size:15px;line-height:1.8;}
  .notice li::before{
    content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--clay);
  }

  /* FAQ */
  .faq-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
    padding:0 24px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item.open{border-color:#CFC3AE;box-shadow:var(--shadow-sm);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:none;padding:22px 0;text-align:left;
    font-size:17px;font-weight:600;color:var(--green);line-height:1.5;
  }
  .faq-icon{
    flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--clay);
    font-size:16px;font-weight:700;transition:background .2s ease,color .2s ease;
  }
  .faq-item.open .faq-icon{background:var(--clay);border-color:var(--clay);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
  .faq-a-inner{
    border-top:1px solid var(--line);
    padding:16px 0 22px;color:var(--muted);font-size:15px;line-height:1.85;
  }
  .faq-item.open .faq-a{max-height:340px;}

  /* Sidebar */
  .side-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:24px;box-shadow:var(--shadow-sm);
  }
  .side-card h3{
    font-size:15px;font-weight:700;color:var(--green);letter-spacing:.02em;
    padding-bottom:14px;border-bottom:1px solid var(--line);
  }
  .side-nav{margin-top:12px;display:flex;flex-direction:column;}
  .side-nav a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:11px 0;font-size:15px;color:var(--muted);
    border-bottom:1px dashed rgba(226,218,203,.9);
    transition:color .18s ease,padding-left .18s ease;
  }
  .side-nav a:last-child{border-bottom:none;}
  .side-nav a:hover{color:var(--clay);padding-left:4px;}
  .side-nav a.current{color:var(--green);font-weight:700;}
  .side-nav a.current::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);margin-right:8px;flex:none;}
  .side-nav a.current span{flex:1;}
  .side-nav .arrow{color:#B6AFA1;font-size:13px;transition:transform .18s ease;}
  .side-nav a:hover .arrow{transform:translateX(4px);color:var(--gold);}

  .side-links{margin-top:12px;display:flex;flex-direction:column;gap:12px;}
  .side-links a{
    display:block;padding:14px 16px;border-radius:var(--r-md);
    background:var(--bg);border:1px solid var(--line);
    transition:border-color .2s ease,transform .2s ease,background .2s ease;
  }
  .side-links a:hover{border-color:var(--green);background:#fff;transform:translateY(-2px);}
  .side-links .t{font-size:15px;font-weight:600;color:var(--green);}
  .side-links .d{font-size:13px;color:var(--muted);margin-top:3px;line-height:1.6;}

  .side-cta{background:var(--green);border-color:var(--green-dark);color:var(--dark-text);}
  .side-cta h3{color:var(--dark-text);border-bottom-color:rgba(247,241,230,.18);}
  .side-cta p{color:var(--dark-muted);font-size:14px;margin-top:14px;line-height:1.75;}
  .side-cta .btn{margin-top:18px;}

  /* Bottom CTA */
  .cta-band{background:var(--green);position:relative;overflow:hidden;}
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:repeating-linear-gradient(135deg,rgba(247,241,230,.05) 0 1px,transparent 1px 14px);
    pointer-events:none;
  }
  .cta-band .container-site{
    position:relative;display:flex;align-items:center;justify-content:space-between;
    gap:32px;padding-top:64px;padding-bottom:64px;
  }
  .cta-band h2{font-size:32px;font-weight:800;color:var(--dark-text);line-height:1.3;}
  .cta-band p{color:var(--dark-muted);font-size:15px;margin-top:10px;max-width:640px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;}

  /* Footer */
  .site-footer{background:var(--green-dark);color:var(--dark-muted);padding:64px 0 0;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
    padding-bottom:44px;
  }
  .footer-brand .brand-main{display:block;font-size:19px;font-weight:800;color:var(--dark-text);}
  .footer-brand .brand-main em{color:var(--gold);font-style:normal;}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--dark-muted);max-width:320px;}
  .footer-col h3{font-size:14px;font-weight:700;color:var(--dark-text);margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col a,.footer-col span{font-size:14px;color:var(--dark-muted);transition:color .18s ease;}
  .footer-col a:hover{color:var(--gold);}
  .footer-bottom{
    border-top:1px solid rgba(247,241,230,.14);
    padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#9BAFA8;
  }

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .layout{grid-template-columns:1fr;gap:28px;}
    .side-col{position:static;order:2;}
    .content-col{order:1;}
    .page-head h1{font-size:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .compare-grid{grid-template-columns:1fr;}
    .cta-band .container-site{flex-direction:column;align-items:flex-start;gap:24px;}
  }
  @media (max-width:900px){
    .nav-left,.nav-right,.nav-cta{display:none;}
    .site-header .container-site{grid-template-columns:1fr auto 1fr;height:66px;}
    .nav-right-wrap{grid-column:3;}
    .nav-toggle{display:flex;}
    .mobile-menu{display:block;}
  }
  @media (max-width:768px){
    .container-site{padding:0 20px;}
    .page-head{padding:32px 0 38px;}
    .page-head h1{font-size:30px;}
    .page-head .lede{font-size:15px;}
    .content-wrap{padding:44px 0 56px;}
    .panel{padding:22px;}
    .section-title{font-size:23px;}
    .rule-item{grid-template-columns:40px minmax(0,1fr);gap:12px;}
    .rule-item .no{font-size:24px;}
    .cta-band .container-site{padding-top:46px;padding-bottom:46px;}
    .cta-band h2{font-size:25px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }
  @media (max-width:520px){
    .page-head h1{font-size:26px;}
    .brand-mark{font-size:17px;}
    .brand-sub{font-size:10px;letter-spacing:.1em;}
    .kv-list li{flex-direction:column;gap:2px;}
    .kv-list .v{text-align:left;}
    .flow-step{grid-template-columns:36px minmax(0,1fr);padding:16px;}
  }

/* roulang page: category2 */
:root{
  --green:#123C33;
  --green-deep:#0B2A24;
  --clay:#C2492A;
  --clay-hover:#A93C21;
  --clay-light:#FBE9E2;
  --gold:#E3A73C;
  --bg:#FAF6EF;
  --sand:#F1ECE1;
  --card:#FFFFFF;
  --ink:#1C2521;
  --muted:#5B6A63;
  --line:#E2DACB;
  --radius:18px;
  --radius-sm:14px;
  --shadow:0 2px 8px rgba(18,60,51,.06);
  --shadow-hover:0 12px 28px rgba(18,60,51,.12);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
::selection{background:rgba(227,167,60,.35)}
:focus-visible{outline:3px solid rgba(227,167,60,.6);outline-offset:2px;border-radius:6px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--clay);color:#FAF6EF;box-shadow:0 6px 16px rgba(194,73,42,.22)}
.btn-primary:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 12px 24px rgba(194,73,42,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(194,73,42,.2)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#F7F1E6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#F7F1E6;color:var(--green)}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,246,239,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,60,51,.08);background:#FAF6EF}
.header-inner{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;gap:24px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--gold);transition:width .25s ease;
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--green);font-weight:700}
.nav-link.active::after{width:100%;background:var(--gold)}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.2;text-align:center}
.brand-main{
  font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--green);
  white-space:nowrap;transition:color .2s ease;
}
.brand-main em{font-style:normal;color:var(--clay)}
.brand:hover .brand-main{color:var(--green-deep)}
.brand-sub{font-size:11px;letter-spacing:2px;color:var(--muted);margin-top:3px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background .2s ease,box-shadow .2s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .25s ease,opacity .2s ease}
.menu-toggle:hover{box-shadow:var(--shadow)}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;background:#FAF6EF;border-top:1px solid var(--line);box-shadow:0 14px 28px rgba(18,60,51,.1)}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:block;padding:0 24px;height:52px;line-height:52px;
  border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.mobile-menu a:hover{background:var(--sand);color:var(--green)}
.mobile-menu a.active{color:var(--green);font-weight:700}
.mobile-menu .mobile-cta{padding:16px 24px}
@media (min-width:901px){.mobile-menu{display:none!important}}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  padding:48px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--clay)}
.breadcrumb .sep{color:#B7B0A1}
.breadcrumb .current{color:var(--green);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--clay-light);color:var(--clay-hover);
  font-size:13px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay)}
.page-hero h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;font-weight:800;letter-spacing:-.5px;
  color:var(--green);margin-bottom:18px;
}
.page-hero h1 .accent{color:var(--clay)}
.lead{
  font-size:17px;line-height:1.9;color:#3C4A44;max-width:640px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-hover);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.hero-figure:hover img{transform:scale(1.03)}
.figure-tag{
  position:absolute;top:16px;left:16px;
  background:var(--gold);color:#2A1C05;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:6px 14px;border-radius:999px;box-shadow:0 4px 10px rgba(0,0,0,.12);
}
.figure-caption{
  padding:14px 20px;background:#fff;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ---------- 数据条 ---------- */
.stat-band{background:#fff;border-bottom:1px solid var(--line);padding:36px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{position:relative;padding-left:20px}
.stat-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--gold)}
.stat-num{
  font-size:30px;font-weight:800;color:var(--green);
  line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- 主体布局 ---------- */
.main-section{padding:72px 0 88px}
.layout{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:start}
.content-col{grid-column:span 8;min-width:0}
.side-col{grid-column:span 4;min-width:0;position:sticky;top:96px;display:grid;gap:20px}

.block{margin-bottom:56px}
.block:last-child{margin-bottom:0}
.block-head{margin-bottom:26px}
.block-head h2{
  font-size:clamp(24px,2.6vw,31px);font-weight:700;color:var(--green);
  line-height:1.3;letter-spacing:-.3px;margin-bottom:10px;
}
.block-head p{color:var(--muted);font-size:15px;max-width:660px}

/* ---------- 两列对照卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5CCB9}
.compare-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sand)}
.compare-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.compare-card:hover .compare-thumb img{transform:scale(1.05)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:var(--clay-light);color:var(--clay-hover);
}
.tag-gold{background:rgba(227,167,60,.18);color:#8A5F0B}
.tag-green{background:rgba(18,60,51,.1);color:var(--green)}
.compare-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;gap:12px}
.compare-body h3{font-size:20px;font-weight:700;color:var(--green);line-height:1.4}
.compare-body p{font-size:15px;color:var(--muted);line-height:1.8}
.check-list{display:grid;gap:8px;margin-top:2px}
.check-list li{
  position:relative;padding-left:20px;font-size:14px;color:#3C4A44;line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:9px;
  width:7px;height:7px;border-radius:50%;background:var(--gold);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:auto;padding-top:6px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid transparent;align-self:flex-start;
  transition:color .2s ease;
}
.link-arrow span{transition:transform .2s ease;color:var(--gold);font-weight:700}
.link-arrow:hover{color:var(--clay)}
.link-arrow:hover span{transform:translateX(4px)}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--gold);
}

/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}
.step-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D5CCB9}
.step-num{
  flex:0 0 auto;font-size:26px;font-weight:800;line-height:1;
  color:var(--gold);font-variant-numeric:tabular-nums;
  transition:color .25s ease;
}
.step-item:hover .step-num{color:var(--clay)}
.step-item h3{font-size:17px;font-weight:700;color:var(--green);line-height:1.45;margin-bottom:6px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 提示卡 ---------- */
.note-card{
  background:var(--sand);border:1px solid #E4DCCB;border-left:4px solid var(--clay);
  border-radius:var(--radius-sm);padding:24px 26px;
  display:grid;gap:12px;
}
.note-card h3{font-size:17px;font-weight:700;color:var(--green)}
.note-card ul{display:grid;gap:8px}
.note-card li{position:relative;padding-left:18px;font-size:14px;color:#3C4A44;line-height:1.8}
.note-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:50%;background:var(--clay);
}

/* ---------- FAQ ---------- */
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(194,73,42,.35);box-shadow:var(--shadow)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--clay);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--green)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--green);background:var(--bg);
  transition:background .2s ease,color .2s ease,transform .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--clay);color:#fff;border-color:var(--clay);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{
  padding:0 24px 22px;border-top:1px solid transparent;
  font-size:15px;color:var(--muted);line-height:1.85;
  transition:border-color .2s ease,padding-top .2s ease;
}
.faq-item.is-open .faq-a-inner{border-top-color:var(--line);padding-top:16px}

/* ---------- 侧栏 ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--green);
  padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.side-nav{display:grid;gap:4px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:#3C4A44;
  transition:background .2s ease,color .2s ease;
}
.side-nav a:hover{background:var(--sand);color:var(--green)}
.side-nav a.current{background:rgba(18,60,51,.08);color:var(--green);font-weight:700}
.side-nav a.current::after{content:"当前";font-size:11px;font-weight:700;color:var(--clay)}
.side-links{display:grid;gap:10px}
.side-links a{
  position:relative;display:inline-block;padding-left:16px;
  font-size:14px;color:#3C4A44;transition:color .2s ease;
}
.side-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.side-links a:hover{color:var(--clay)}
.side-cta{
  background:var(--green);color:#F7F1E6;border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);display:grid;gap:12px;
}
.side-cta p{font-size:14px;line-height:1.8;color:#C7D2CC}
.side-cta .btn-ghost{color:#F7F1E6;border-color:rgba(247,241,230,.5)}
.side-cta .btn-ghost:hover{background:rgba(247,241,230,.14);color:#fff;border-color:rgba(247,241,230,.8)}

/* ---------- CTA 条 ---------- */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--green);color:#F7F1E6;
  border-radius:24px;padding:56px;
  display:grid;grid-template-columns:minmax(0,1.5fr) auto;
  gap:32px;align-items:center;
  box-shadow:0 18px 40px rgba(18,60,51,.22);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px);
  opacity:.5;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{
  font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.3;
  color:#F7F1E6;margin-bottom:12px;
}
.cta-band p{font-size:15px;line-height:1.85;color:#C7D2CC;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:#F7F1E6;padding:64px 0 26px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(247,241,230,.18);
}
.footer-brand .brand-main{
  display:block;font-size:18px;font-weight:800;color:#F7F1E6;
  margin-bottom:14px;white-space:normal;line-height:1.4;
}
.footer-brand .brand-main em{color:var(--gold);font-style:normal}
.footer-brand p{font-size:14px;line-height:1.85;color:#C7D2CC;max-width:340px}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F1E6;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#C7D2CC;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#9FB3AC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container-site{padding:0 24px}
  .layout{grid-template-columns:1fr;gap:32px}
  .content-col,.side-col{grid-column:1 / -1}
  .side-col{position:static;top:auto;grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-cta{grid-column:1 / -1}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{max-width:620px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{grid-template-columns:1fr;padding:44px 36px}
}
@media (max-width:900px){
  .header-inner{display:flex;justify-content:space-between;align-items:center;height:64px;gap:12px}
  .site-header.is-scrolled .header-inner{height:60px}
  .nav-left{display:none}
  .nav-right .nav-link,.nav-right .btn{display:none}
  .nav-right{gap:0;margin-left:auto}
  .menu-toggle{display:inline-flex}
  .brand{position:absolute;left:50%;transform:translateX(-50%);align-items:center}
  .brand-main{font-size:15px;letter-spacing:0}
  .brand-sub{display:none}
}
@media (max-width:768px){
  .container-site{padding:0 20px}
  .page-hero{padding:36px 0 48px}
  .page-hero h1{font-size:clamp(28px,7vw,34px);line-height:1.22}
  .lead{font-size:15.5px}
  .main-section{padding:52px 0 64px}
  .block{margin-bottom:44px}
  .compare-grid{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr;gap:18px}
  .stat-item{padding-left:16px}
  .side-col{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .cta-wrap{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
}
@media (max-width:520px){
  .brand-main{font-size:13.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .compare-body,.side-card,.note-card{padding:20px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
  .faq-item.is-open .faq-a-inner{padding-top:14px}
}

/* roulang page: category4 */
:root{
  --green:#123C33;
  --green-deep:#0B2A24;
  --clay:#C2492A;
  --clay-hover:#A93C21;
  --clay-soft:#FBE9E2;
  --gold:#E3A73C;
  --bg:#FAF6EF;
  --sand:#F1ECE1;
  --white:#FFFFFF;
  --ink:#1C2521;
  --muted:#5B6A63;
  --line:#E2DACB;
  --radius:18px;
  --radius-sm:14px;
  --shadow:0 2px 8px rgba(18,60,51,.06);
  --shadow-hover:0 12px 28px rgba(18,60,51,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(227,167,60,.45);border-radius:8px;
}
.container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(250,246,239,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(18,60,51,.09);background:rgba(250,246,239,.99)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color .2s ease;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--green);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  font-size:18px;font-weight:800;letter-spacing:.4px;color:var(--green);white-space:nowrap;
}
.brand em{font-style:normal;color:var(--clay)}
.mobile-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:12px;background:var(--white);color:var(--green);cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--bg)}
.mobile-panel.open{display:block}
.mobile-panel ul{padding:8px 0}
.mobile-panel li + li{border-top:1px solid var(--line)}
.mobile-panel a{display:block;padding:14px 0;font-size:16px;color:var(--green);line-height:1.6}
.mobile-panel a.active{color:var(--clay);font-weight:700}
.mobile-panel .mobile-cta{margin:16px 0 20px}
.mobile-panel .mobile-cta .btn{width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:12px;font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--clay);color:#FAF6EF;box-shadow:0 6px 16px rgba(194,73,42,.22)}
.btn-primary:hover{background:var(--clay-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(194,73,42,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(194,73,42,.24)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#F7F1E6;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#F7F1E6;color:var(--green)}
.btn-light:hover{background:#FFFFFF;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}

/* ---------- Page hero ---------- */
.page-hero{position:relative;background:var(--sand);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(250,246,239,.55) 0%,rgba(241,236,225,.92) 100%);
}
.page-hero .container-site{position:relative;z-index:1;padding-top:52px;padding-bottom:56px}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:22px}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--clay)}
.breadcrumb .sep{color:#B9C2BC}
.breadcrumb .current{color:var(--green);font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:var(--clay-soft);color:var(--clay);font-size:13px;font-weight:700;letter-spacing:.5px;
  border:1px solid rgba(194,73,42,.16);margin-bottom:20px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:800;color:var(--green);
  letter-spacing:-.5px;max-width:900px;
}
.hero-lead{max-width:820px;margin-top:20px;font-size:17px;line-height:1.9;color:var(--muted)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stat{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:16px 22px;box-shadow:var(--shadow);min-width:170px;
}
.hero-stat b{display:block;font-size:22px;font-weight:800;color:var(--green);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stat span{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- Layout ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;
  align-items:start;padding-top:64px;padding-bottom:80px;
}
.content-col{min-width:0}
.side-col{min-width:0;position:sticky;top:96px}

/* ---------- Panels ---------- */
.panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);
}
.panel + .panel{margin-top:24px}
.panel-title{
  position:relative;padding-left:16px;font-size:22px;font-weight:700;color:var(--green);
  line-height:1.5;margin-bottom:8px;
}
.panel-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--gold);
}
.panel-sub{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:22px}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--clay);margin-bottom:10px;
}

/* ---------- Insight card (image + conclusions) ---------- */
.insight-card{
  display:grid;grid-template-columns:1fr 1.15fr;gap:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.insight-media{position:relative;min-height:100%;background:var(--sand)}
.insight-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.insight-body{padding:30px}
.insight-body h2{font-size:22px;font-weight:700;color:var(--green);line-height:1.5;margin-bottom:6px}
.insight-body .lead{font-size:14px;color:var(--muted);margin-bottom:20px}
.conclusion{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.conclusion:first-of-type{border-top:0;padding-top:0}
.conclusion .num{
  flex:0 0 auto;font-size:22px;font-weight:800;color:var(--gold);line-height:1.3;
  font-variant-numeric:tabular-nums;transition:color .2s ease;
}
.conclusion:hover .num{color:var(--clay)}
.conclusion h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;margin-bottom:4px}
.conclusion p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-group{margin-top:26px}
.faq-group-title{
  display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--green);
  margin-bottom:14px;
}
.faq-group-title .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:0 0 auto}
.faq-item{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--shadow-hover);border-color:#D6CBB6}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--clay);
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;z-index:2;
}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  display:flex;width:100%;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:22px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.7;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--green)}
.faq-item.open .faq-q{color:var(--green)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--green);
  font-size:16px;line-height:1;margin-top:3px;transition:background .2s,color .2s,transform .2s;
}
.faq-item.open .faq-icon{background:var(--clay);border-color:var(--clay);color:#FFF;transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:16px 24px 24px;font-size:15px;line-height:1.9;color:var(--muted);
  border-top:1px solid var(--line);margin:0 0 0 0;
}

/* ---------- Checklist ---------- */
.checklist{margin-top:8px;display:grid;gap:0}
.checklist li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  padding:18px 0;border-top:1px dashed var(--line);
}
.checklist li:first-child{border-top:0;padding-top:4px}
.checklist .idx{
  font-size:20px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;
  line-height:1.5;transition:color .2s ease;
}
.checklist li:hover .idx{color:var(--clay)}
.checklist h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:2px}
.checklist p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Compare card ---------- */
.compare{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-top:18px}
.compare-row{display:grid;grid-template-columns:1fr 1.1fr;gap:0;background:var(--white)}
.compare-row + .compare-row{border-top:1px solid var(--line)}
.compare-row:nth-child(odd){background:#FDFBF7}
.compare-cell{padding:16px 20px;font-size:14.5px;line-height:1.8}
.compare-cell:first-child{color:var(--ink);font-weight:600;border-right:1px solid var(--line)}
.compare-cell:last-child{color:var(--muted)}
.compare-head{background:var(--green);color:#F7F1E6}
.compare-head .compare-cell{color:#F7F1E6;font-weight:700;font-size:14px;letter-spacing:.5px}
.compare-head .compare-cell:first-child{border-right-color:rgba(247,241,230,.2)}
.compare-row:hover .compare-cell:first-child{color:var(--clay)}

/* ---------- Sidebar ---------- */
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow);
}
.side-card + .side-card{margin-top:20px}
.side-title{
  font-size:14px;font-weight:700;color:var(--green);letter-spacing:.6px;
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.side-nav li + li{border-top:1px solid #F3EEE5}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--muted);transition:color .2s ease,padding .2s ease;
}
.side-nav a:hover{color:var(--clay);padding-left:4px}
.side-nav a.current{color:var(--green);font-weight:700}
.side-nav a.current .badge{background:var(--clay-soft);color:var(--clay);border-color:rgba(194,73,42,.16)}
.badge{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--sand);color:var(--green);
  border:1px solid var(--line);line-height:1.7;
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--muted);transition:color .2s ease;
}
.side-links li + li{border-top:1px solid #F3EEE5}
.side-links a::after{content:"→";color:var(--gold);opacity:0;transform:translateX(-6px);transition:opacity .2s ease,transform .2s ease}
.side-links a:hover{color:var(--green)}
.side-links a:hover::after{opacity:1;transform:translateX(0)}
.side-actions{display:grid;gap:10px}
.side-actions .btn{width:100%}
.side-info{font-size:13.5px;color:var(--muted);line-height:1.9}
.side-info li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid #F3EEE5}
.side-info li:first-child{border-top:0;padding-top:0}
.side-info strong{color:var(--green);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--green);color:#F7F1E6;
  border-radius:22px;padding:44px 44px;display:flex;align-items:center;
  justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 20px 40px rgba(18,60,51,.18);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(247,241,230,.06) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.45;letter-spacing:-.2px}
.cta-band p{margin-top:10px;font-size:15px;color:#C7D2CC;max-width:640px;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-deep);color:#C7D2CC;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand-main{display:block;font-size:18px;font-weight:800;color:#F7F1E6;letter-spacing:.4px;margin-bottom:14px}
.footer-brand .brand-main em{font-style:normal;color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BBB4;max-width:340px}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F1E6;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#A9BBB4;line-height:1.7;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(247,241,230,.18);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA69E;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:28px;padding-top:48px;padding-bottom:64px}
  .side-col{position:static}
  .insight-card{grid-template-columns:1fr}
  .insight-media img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-left,.nav-right{display:none}
  .header-inner{height:66px}
  .site-header.scrolled .header-inner{height:60px}
  .brand{position:static;transform:none;font-size:17px}
  .mobile-toggle{display:inline-flex}
  .page-hero .container-site{padding-top:36px;padding-bottom:44px}
  .cta-band{padding:32px 26px}
  .cta-band h2{font-size:22px}
}
@media (max-width:768px){
  .container-site{padding:0 20px}
  .panel{padding:24px 20px}
  .insight-body{padding:24px 20px}
  .hero-lead{font-size:15.5px}
  .hero-stat{flex:1 1 100%;min-width:0}
  .compare-row{grid-template-columns:1fr}
  .compare-cell:first-child{border-right:0;border-bottom:1px solid var(--line);padding-bottom:10px}
  .compare-cell{padding:14px 16px}
  .compare-cell:last-child{padding-top:10px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:14px 18px 20px}
  .checklist li{grid-template-columns:34px 1fr;gap:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .panel-title{font-size:19px}
  .insight-body h2{font-size:19px}
  .footer-grid{grid-template-columns:1fr}
  .hero-tag{font-size:12px}
}