/* roulang page: index */
:root{
  --brand:#0E4F4A;
  --brand-deep:#082B29;
  --accent:#FF6A3D;
  --accent-hover:#E85A2E;
  --accent-soft:#FFE6DE;
  --sun:#FFC857;
  --mint:#CFE9E2;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --line:#E3DED2;
  --ink:#10201F;
  --ink-soft:#4E5D5B;
  --radius-card:16px;
  --radius-block:24px;
  --shadow-1:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
  --shadow-2:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-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,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}

.num{font-family:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;font-weight:700;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(16,32,31,.04);
}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--ink-soft);}
.main-nav{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-soft);padding:6px 0;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;width:220px;transition:border-color .2s ease, box-shadow .2s ease;
}
@media (min-width:1024px){.search-box{display:flex;}}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,79,74,.08);}
.search-box input{border:0;outline:none;background:transparent;width:100%;font-size:13px;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-soft);font-size:13px;}

.btn-main,.btn-line,.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:0;
  transition:transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
}
.btn-main{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-main:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-line:hover{background:var(--mint);}
.btn-dark{background:var(--brand-deep);color:#fff;}
.btn-dark:hover{background:#0d3a37;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}

.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;
}
@media (min-width:1024px){.menu-toggle{display:none;}}

.drawer-mask{position:fixed;inset:0;background:rgba(8,43,41,.45);z-index:70;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;
  background:#fff;z-index:80;padding:22px 20px;overflow-y:auto;
  box-shadow:-12px 0 32px -20px rgba(16,32,31,.4);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 4px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px;}

/* ---------- hero ---------- */
.hero{background:var(--paper);padding:48px 0 64px;position:relative;overflow:hidden;}
@media (min-width:1024px){.hero{padding:64px 0 88px;}}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;
  border-radius:50%;border:1.5px solid rgba(207,233,226,.9);opacity:.75;pointer-events:none;
}
.badge-sun{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--sun);color:var(--ink);font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:10px;letter-spacing:.04em;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;letter-spacing:-.02em;font-weight:700;
  margin-top:18px;color:var(--ink);max-width:640px;
}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-soft);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-main,.hero-actions .btn-line{flex:1 1 46%;}
@media (min-width:640px){.hero-actions .btn-main,.hero-actions .btn-line{flex:0 0 auto;}}
.hero-note{margin-top:14px;font-size:13px;color:var(--ink-soft);}
.hero-trust{
  display:flex;align-items:center;gap:14px;margin-top:32px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:20px;max-width:560px;
}
.trust-item{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-soft);}
.trust-sep{width:1px;height:18px;background:var(--line);display:none;}
@media (min-width:640px){.trust-sep{display:block;}}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);}
.hero-media img{width:100%;height:220px;object-fit:cover;}
@media (min-width:640px){.hero-media img{height:300px;}}
@media (min-width:1024px){.hero-media img{height:430px;}}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(8,43,41,.34),rgba(8,43,41,0) 62%);
}
.hero-media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--ink);
  font-size:12.5px;padding:6px 12px;border-radius:8px;
}

/* ---------- sections ---------- */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:64px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-tight{padding:40px 0;}
@media (min-width:1024px){.section-tight{padding:64px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--ink);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.14em;width:6px;height:.92em;
  background:var(--accent);border-radius:4px;
}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:640px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--ink);transition:color .2s ease;
}
.link-arrow span.arrow{transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.link-arrow:hover span.arrow{transform:translateX(3px);}

/* ---------- feature asymmetric ---------- */
.feature-index{
  display:flex;gap:26px;margin-bottom:18px;
  font-family:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;
  font-size:40px;line-height:1;font-weight:700;color:rgba(255,106,61,.22);
}
@media (max-width:767px){
  .feature-index{font-size:26px;gap:18px;color:rgba(255,106,61,.3);}
}
.feature-main,.feature-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
  overflow:hidden;
}
.feature-main:hover,.feature-side:hover{border-color:var(--mint);box-shadow:var(--shadow-2);}
.feature-main{padding:24px;display:grid;gap:22px;}
@media (min-width:768px){.feature-main{grid-template-columns:1.05fr .95fr;padding:28px;align-items:center;}}
.feature-main img{width:100%;height:210px;object-fit:cover;border-radius:12px;}
@media (min-width:768px){.feature-main img{height:230px;}}
.feature-side{padding:24px;display:flex;flex-direction:column;gap:20px;}
.feature-side .side-block + .side-block{border-top:1px solid var(--line);padding-top:20px;}
.chip{
  display:inline-flex;align-items:center;background:var(--accent-soft);color:var(--accent);
  font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:8px;letter-spacing:.02em;
}
.chip-mint{background:var(--mint);color:var(--brand);}
.feature-main h3,.feature-side h3{font-size:20px;font-weight:600;line-height:1.45;margin:12px 0 8px;}
.feature-main p,.feature-side p{font-size:14.5px;line-height:1.85;color:var(--ink-soft);}

/* ---------- scene ---------- */
.scene-panel{
  background:var(--mint);border-radius:var(--radius-block);
  padding:28px;position:relative;overflow:hidden;
}
@media (min-width:768px){.scene-panel{padding:40px;}}
.scene-panel h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;}
.scene-steps{display:flex;flex-direction:column;gap:20px;margin-top:26px;}
@media (min-width:768px){.scene-steps{flex-direction:row;gap:14px;align-items:flex-start;}}
.scene-step{position:relative;flex:1;}
.scene-step .dot{
  width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:700;font-size:17px;
}
.scene-step h3{font-size:17px;font-weight:600;margin:12px 0 6px;}
.scene-step p{font-size:13.5px;line-height:1.75;color:#25514c;}
.scene-step + .scene-step::before{
  content:"";position:absolute;left:12px;top:-16px;width:0;height:14px;
  border-left:2px dashed rgba(14,79,74,.45);
}
@media (min-width:768px){
  .scene-step + .scene-step::before{left:-10px;top:18px;width:16px;height:0;border-left:0;border-top:2px dashed rgba(14,79,74,.45);}
}
.scene-shot{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:#fff;}
.scene-shot img{width:100%;height:230px;object-fit:cover;}
@media (min-width:768px){.scene-shot img{height:290px;}}
.scene-tag{
  position:absolute;top:12px;right:12px;background:var(--sun);color:var(--ink);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;
}

/* ---------- cms cards ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.post-card:hover{border-color:var(--mint);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-cover{overflow:hidden;aspect-ratio:16/9;background:var(--mint);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:17.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 a{transition:color .2s ease;}
.post-body h3 a:hover{color:var(--brand);}
.post-body p{
  font-size:13.5px;line-height:1.75;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:12px;font-size:12.5px;color:var(--ink-soft);
}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:36px 20px;text-align:center;
}
.empty-state p{font-size:13px;color:var(--ink-soft);}

/* ---------- stats & reviews ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr);padding:28px;}}
.stat-item{border-left:3px solid var(--mint);padding-left:14px;}
.stat-num{
  font-family:"Barlow Condensed","Oswald","Arial Narrow",sans-serif;
  font-size:34px;font-weight:700;line-height:1.1;color:var(--accent);
}
@media (min-width:768px){.stat-num{font-size:38px;}}
.stat-label{font-size:13px;color:var(--ink-soft);margin-top:4px;}
.review-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:26px;}
@media (min-width:768px){.review-grid{grid-template-columns:repeat(3,1fr);align-items:start;}}
.review-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);transition:box-shadow .3s ease,border-color .3s ease;
}
.review-card:hover{border-color:var(--mint);box-shadow:var(--shadow-2);}
@media (min-width:768px){.review-card.lift{margin-top:-16px;}}
.stars{display:flex;gap:3px;color:var(--sun);font-size:14px;letter-spacing:1px;}
.review-card p{font-size:14px;line-height:1.8;color:var(--ink);margin-top:10px;}
.review-author{display:flex;align-items:center;gap:10px;margin-top:16px;border-top:1px solid var(--line);padding-top:14px;}
.avatar-dot{
  width:34px;height:34px;border-radius:50%;background:var(--mint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;
}
.review-author .name{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.4;}
.review-author .role{font-size:12px;color:var(--ink-soft);}
.partner-wall{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;
}
@media (min-width:768px){.partner-wall{grid-template-columns:repeat(6,1fr);}}
.partner-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 8px;text-align:center;font-size:12.5px;color:var(--ink-soft);
  opacity:.6;transition:opacity .25s ease,border-color .25s ease;
}
.partner-item:hover{opacity:1;border-color:var(--mint);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open]{background:#FFFDF7;border-color:var(--mint);box-shadow:inset 3px 0 0 0 var(--accent);}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-body{padding:0 20px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-soft);}
.faq-body strong{color:var(--ink);font-weight:600;}

/* ---------- cta band ---------- */
.cta-inner{
  background:var(--brand-deep);border-radius:20px;padding:32px 24px;
  display:flex;flex-direction:column;gap:20px;position:relative;overflow:hidden;
}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:40px;}}
.cta-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.35;position:relative;}
.cta-inner p{color:rgba(255,255,255,.75);font-size:14px;margin-top:8px;position:relative;}
.cta-inner .btn-main{position:relative;align-self:flex-start;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-deep);color:#fff;border-top:2px solid var(--accent);
  padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px;}}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:14px;max-width:280px;}
.footer-search{
  display:flex;align-items:center;gap:8px;margin-top:16px;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 14px;max-width:260px;
}
.footer-search input{background:transparent;border:0;outline:none;color:#fff;font-size:13px;width:100%;}
.footer-search input::placeholder{color:rgba(255,255,255,.45);}
.footer-title{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.78);transition:color .2s ease;}
.footer-links a:hover{color:var(--sun);}
.footer-info{display:flex;flex-direction:column;gap:12px;}
.footer-info li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.7;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 16px;display:flex;flex-direction:column;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-disclaimer{
  font-size:12px;line-height:1.8;color:rgba(255,255,255,.55);
  padding-bottom:26px;max-width:980px;
}

/* ---------- floating bar ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:#fff;border-top:2px solid var(--accent);
  box-shadow:0 -8px 24px -18px rgba(16,32,31,.5);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;
}
@media (min-width:768px){.mobile-cta{display:none;}}
.mobile-cta span{font-size:13px;color:var(--ink-soft);line-height:1.5;}
.desktop-float{
  display:none;
}
@media (min-width:768px){
  .desktop-float{
    display:flex;align-items:center;gap:14px;
    position:fixed;right:24px;bottom:24px;z-index:50;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:10px 12px 10px 20px;box-shadow:var(--shadow-2);
  }
  .desktop-float span{font-size:13px;color:var(--ink-soft);}
  .desktop-float .close{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;}
  .desktop-float .close:hover{background:var(--paper);}
}
body{padding-bottom:78px;}
@media (min-width:768px){body{padding-bottom:0;}}

/* roulang page: article */
:root{
  --brand:#0E4F4A;
  --brandDeep:#082B29;
  --accent:#FF6A3D;
  --accentHover:#E85A2E;
  --accentSoft:#FFE6DE;
  --sun:#FFC857;
  --mint:#CFE9E2;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --line:#E3DED2;
  --ink:#10201F;
  --inkSoft:#4E5D5B;
  --radius-card:16px;
  --radius-block:24px;
  --shadow-soft:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
  --shadow-lift:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
  --font-num:"Barlow Condensed","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;transition:all .2s ease}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(16,32,31,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:var(--brand);display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--inkSoft)}
.main-nav{display:none;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:12px 12px;
  font-size:14.5px;font-weight:500;color:var(--inkSoft);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1);opacity:.55}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1);opacity:1}
.header-tools{display:none;align-items:center;gap:12px;margin-left:auto}
.header-search{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;
  padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.header-search:focus-within{border-color:var(--mint);box-shadow:0 0 0 3px rgba(207,233,226,.55)}
.header-search input{border:0;outline:none;background:transparent;width:100%;font-size:13px;color:var(--ink)}
.header-search input::placeholder{color:var(--inkSoft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  white-space:nowrap;text-align:center;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-soft)}
.btn-primary:hover{background:var(--accentHover);transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--card);color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--mint)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px}
.menu-btn{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--brand);
}
.menu-btn:hover{background:var(--mint);border-color:var(--mint)}
@media (min-width:1024px){
  .main-nav{display:flex}
  .header-tools{display:flex}
  .menu-btn{display:none}
}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(8,43,41,.45);z-index:80;opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:90;
  background:var(--card);box-shadow:-16px 0 40px -24px rgba(16,32,31,.5);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--inkSoft);font-size:20px;line-height:1}
.drawer-close:hover{background:var(--accentSoft);color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:15px;color:var(--ink);font-weight:500}
.drawer-nav a:hover{background:var(--paper);color:var(--brand)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper);margin-bottom:14px}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:12.5px;color:var(--inkSoft)}
.crumb a{color:var(--inkSoft)}
.crumb a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.crumb .sep{color:#B9B2A2}
.crumb .current{color:var(--ink);font-weight:500}

/* ---------- article layout ---------- */
.article-wrap{padding:32px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,720px) 264px;gap:48px;justify-content:space-between}
}
.article-main{min-width:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--accentSoft);color:#B33A16;
}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line)}
.article-title{
  margin:16px 0 0;font-size:clamp(26px,3.6vw,36px);line-height:1.32;
  font-weight:700;letter-spacing:-.02em;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13px;color:var(--inkSoft);
}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:#C9C2B1;display:inline-block}
.article-meta time{font-variant-numeric:tabular-nums}

.article-body{
  padding-top:28px;
  font-size:16px;line-height:1.9;color:var(--ink);
  word-break:break-word;
}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:clamp(21px,2.4vw,27px);line-height:1.36;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:.95em;
  border-radius:2px;background:var(--accent);
}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.45;font-weight:600}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body li{margin-bottom:10px}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-weight:600}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--mint);
  border-left:4px solid var(--brand);border-radius:12px;
  font-size:15px;line-height:1.85;color:#123B37;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-soft)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--inkSoft)}
.article-body a{
  color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);
  text-decoration-thickness:2px;text-underline-offset:4px;
}
.article-body a:hover{color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{background:var(--paper);text-align:left;font-weight:600;padding:11px 12px;border-bottom:1px solid var(--line)}
.article-body td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.article-body hr{margin:32px 0;border:0;border-top:1px solid var(--line)}

/* toc */
.toc-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-soft);
}
.toc-title{font-size:12.5px;letter-spacing:.1em;color:var(--inkSoft);font-weight:600;margin-bottom:12px}
.toc-list{list-style:none;margin:0;padding:0;max-height:56vh;overflow:auto}
.toc-list li{margin:0}
.toc-list a{
  display:block;padding:8px 10px;border-left:3px solid transparent;
  font-size:13.5px;line-height:1.55;color:var(--inkSoft);border-radius:0 8px 8px 0;
}
.toc-list a:hover{background:var(--paper);color:var(--brand)}
.toc-list a.is-active{border-left-color:var(--sun);color:var(--brand);font-weight:600;background:#FFFDF7}
.toc-list .toc-sub a{padding-left:22px;font-size:13px}
.toc-aside-note{
  margin-top:16px;padding:16px;border-radius:12px;background:var(--paper);
  font-size:13px;line-height:1.7;color:var(--inkSoft);
}
.toc-aside-note strong{display:block;color:var(--ink);font-size:13.5px;margin-bottom:4px}
@media (min-width:1024px){.toc-mobile{display:none}}
@media (max-width:1023px){
  .toc-side{display:none}
  .toc-mobile{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    padding:14px 18px;margin:24px 0 0;box-shadow:var(--shadow-soft);
  }
  .toc-mobile summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--brand);list-style:none}
  .toc-mobile summary::-webkit-details-marker{display:none}
  .toc-mobile summary::after{content:"展开";float:right;font-size:12.5px;color:var(--inkSoft);font-weight:400}
  .toc-mobile[open] summary::after{content:"收起"}
  .toc-mobile .toc-list{margin-top:10px}
}

/* empty state */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;min-height:240px;padding:36px 24px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .empty-ico{
  width:52px;height:52px;border-radius:50%;border:1.5px dashed var(--brand);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state p{margin:0;font-size:13.5px;color:var(--inkSoft);line-height:1.7}

/* article foot */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
}
.link-back{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
}
.link-back svg{transition:transform .2s ease}
.link-back:hover{color:var(--accent)}
.link-back:hover svg{transform:translateX(-3px)}
.copy-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1.5px solid var(--line);
  background:var(--card);font-size:13.5px;color:var(--inkSoft);min-height:40px;
}
.copy-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--paper)}
.copy-btn.done{border-color:var(--mint);background:var(--mint);color:var(--brand)}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px}
.section-title{
  position:relative;margin:0;padding-left:14px;
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.section-title::before{content:"";position:absolute;left:0;top:.24em;width:6px;height:.92em;border-radius:3px;background:var(--accent)}
.section-desc{margin:8px 0 0;font-size:14.5px;color:var(--inkSoft);line-height:1.75}

/* related cards */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.post-card:hover{border-color:var(--mint);box-shadow:var(--shadow-lift);transform:translateY(-2px)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--mint)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-title{
  margin:12px 0 0;font-size:17.5px;line-height:1.55;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--brand)}
.post-excerpt{
  margin:10px 0 0;font-size:14px;line-height:1.75;color:var(--inkSoft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--inkSoft);
}
.post-arrow{color:var(--brand);transition:transform .2s ease}
.post-card:hover .post-arrow{transform:translateX(4px);color:var(--accent)}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brandDeep) 100%);
  border-radius:20px;padding:32px 26px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  border:24px solid rgba(207,233,226,.13);
}
.cta-band h2{margin:0 0 8px;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;color:#fff;position:relative;z-index:1}
.cta-band p{margin:0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:820px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-soft);overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--mint)}
.faq-item[open]{background:#FFFDF7;border-color:var(--mint)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-ico{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);color:var(--brand);font-size:16px;line-height:1;
  transition:transform .25s ease, background .2s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--accentSoft);color:var(--accent)}
.faq-answer{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--inkSoft)}
.faq-answer p{margin:0 0 10px}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- footer ---------- */
.site-footer{
  margin-top:56px;background:var(--brandDeep);color:rgba(255,255,255,.82);
  border-top:2px solid var(--accent);
  padding:56px 0 28px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.035) 0 1px,transparent 1px 14px);
}
.site-footer > .container-x{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-desc{margin:14px 0 16px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.06);
  max-width:300px;
}
.footer-search:focus-within{border-color:var(--sun)}
.footer-search input{border:0;outline:none;background:transparent;width:100%;font-size:13px;color:#fff}
.footer-search input::placeholder{color:rgba(255,255,255,.5)}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--sun)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:13.5px;color:rgba(255,255,255,.7)}
.footer-contact .row{display:flex;align-items:flex-start;gap:10px;line-height:1.65}
.footer-contact svg{flex:0 0 16px;margin-top:3px;color:var(--mint)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(255,255,255,.58);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom-links a{color:rgba(255,255,255,.6)}
.footer-bottom-links a:hover{color:var(--sun)}
.footer-note{margin:16px 0 0;font-size:12px;line-height:1.8;color:rgba(255,255,255,.5);max-width:1000px}

/* toast */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--brandDeep);color:#fff;font-size:13.5px;padding:12px 22px;border-radius:999px;
  box-shadow:var(--shadow-lift);opacity:0;pointer-events:none;transition:opacity .25s ease, transform .25s ease;z-index:120;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* roulang page: category1 */
:root{
  --brand:#0E4F4A;
  --brand-deep:#082B29;
  --accent:#FF6A3D;
  --accent-hover:#E85A2E;
  --accent-soft:#FFE6DE;
  --sun:#FFC857;
  --mint:#CFE9E2;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --line:#E3DED2;
  --ink:#10201F;
  --ink-soft:#4E5D5B;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
  --shadow-md:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container-x{padding-left:32px;padding-right:32px;}
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(16,32,31,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--brand);
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;}
.brand-main{
  font-size:16px;
  font-weight:700;
  line-height:1.15;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand-sub{
  font-size:11px;
  line-height:1.3;
  letter-spacing:.08em;
  color:var(--ink-soft);
}
.main-nav{
  display:none;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-soft);
  padding:10px 0;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:none;
  align-items:center;
  gap:8px;
  width:220px;
  padding:0 14px;
  height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--card);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--mint);box-shadow:0 0 0 3px rgba(207,233,226,.55);}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  font-size:13px;
  color:var(--ink);
  width:100%;
}
.nav-search input::placeholder{color:var(--ink-soft);font-size:13px;}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink);
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--mint);border-color:var(--mint);}
@media (min-width:1024px){
  .main-nav{display:flex;}
  .nav-toggle{display:none;}
  .nav-search{display:flex;}
  .header-actions{margin-left:0;}
}

/* Mobile drawer */
.drawer{position:fixed;inset:0;z-index:120;}
.drawer[hidden]{display:none;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(8,43,41,.45);
}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(86vw,340px);
  height:100%;
  background:var(--card);
  padding:22px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  box-shadow:-18px 0 40px -24px rgba(16,32,31,.5);
}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--ink-soft);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);display:grid;place-items:center;color:var(--ink);
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 4px;
  font-size:15px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--accent);font-weight:600;}
.drawer-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  padding:0 14px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--paper);
}
.drawer-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;color:var(--ink);}
.drawer-cta{margin-top:14px;width:100%;justify-content:center;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-pill);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:15px 28px;
  border:1.5px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-outline{
  background:var(--card);
  color:var(--brand);
  border-color:var(--brand);
}
.btn-outline:hover{background:var(--mint);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-ghost-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.65);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ============ Page head ============ */
.page-head{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:34px 0 44px;
}
@media (min-width:768px){
  .page-head{padding:48px 0 56px;}
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--ink-soft);
  letter-spacing:.02em;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#B9B2A2;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-head-grid{
  display:grid;
  gap:24px;
  margin-top:22px;
}
@media (min-width:1024px){
  .page-head-grid{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:40px;}
}
h1.page-title{
  font-size:clamp(28px,4.2vw,44px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--ink);
}
.page-sub{
  margin-top:14px;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-soft);
  max-width:46em;
}
.page-note{
  background:var(--mint);
  border-radius:var(--radius-card);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.page-note .note-label{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  background:rgba(255,255,255,.72);
  padding:3px 10px;
  border-radius:8px;
}
.page-note ul{margin-top:12px;display:grid;gap:8px;}
.page-note li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:1.7;
  color:var(--brand-deep);
}
.page-note li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--brand);
}
.page-note .note-foot{
  margin-top:14px;
  font-size:12px;
  letter-spacing:.02em;
  color:#256B62;
}

/* ============ Section base ============ */
.section{padding:52px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-tight{padding-top:44px;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:26px;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.8vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.16em;
  width:6px;
  height:.9em;
  border-radius:3px;
  background:var(--accent);
}
.section-desc{
  margin-top:10px;
  padding-left:16px;
  font-size:15px;
  color:var(--ink-soft);
  max-width:52em;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding:6px 0;
}
.link-more svg{transition:transform .2s ease;}
.link-more:hover{color:var(--accent);}
.link-more:hover svg{transform:translateX(3px);}

/* ============ Filter bar ============ */
.filter-wrap{padding-top:36px;}
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:4px 2px 8px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink-soft);
  font-size:14px;
  padding:9px 18px;
  min-height:40px;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--mint);color:var(--brand);}
.chip.active{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  font-weight:600;
  box-shadow:var(--shadow-sm);
}

/* ============ Card grid ============ */
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  margin-top:22px;
}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}

.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.post-card:hover{
  border-color:var(--mint);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.post-cover{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--mint);
}
.post-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease-out;
}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 18px;
  flex:1;
}
.badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  padding:4px 10px;
  border-radius:8px;
  background:var(--accent-soft);
  color:#B9431D;
}
.post-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.post-title a{color:inherit;}
.post-card:hover .post-title a{color:var(--accent);}
.post-excerpt{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-soft);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-soft);
}
.post-meta .meta-arrow{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:600;
  color:var(--brand);
}
.post-card:hover .meta-arrow{color:var(--accent);}
.post-meta time{font-family:var(--font-num);letter-spacing:.04em;}

.tip-bar{
  grid-column:1/-1;
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:var(--accent-soft);
  border-radius:12px;
  padding:16px 20px;
  font-size:14px;
  line-height:1.7;
  color:#8A3A1E;
}
.tip-bar svg{flex:0 0 auto;margin-top:3px;}

/* ============ Flow ============ */
.flow-section{
  background:var(--mint);
  border-radius:var(--radius-lg);
  padding:32px 22px;
}
@media (min-width:768px){.flow-section{padding:44px 40px;}}
.flow-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.3;
  color:var(--brand-deep);
}
.flow-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;
  width:6px;height:.9em;
  border-radius:3px;
  background:var(--accent);
}
.flow-head p{margin-top:10px;padding-left:16px;font-size:15px;color:#256B62;max-width:50em;}
.flow-steps{
  display:grid;
  gap:22px;
  margin-top:28px;
  counter-reset:flow;
}
@media (min-width:768px){.flow-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.flow-step{
  background:rgba(255,255,255,.72);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-sm);
}
.flow-num{
  width:44px;height:44px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  letter-spacing:.04em;
}
.flow-step h3{
  margin-top:14px;
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  color:var(--brand-deep);
}
.flow-step p{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:#2C5F58;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;margin-top:24px;max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--mint);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background-color .2s ease, box-shadow .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--paper);
  color:var(--brand);
  display:grid;
  place-items:center;
  transition:transform .25s ease, background-color .25s ease, color .25s ease;
}
.faq-item[open] summary{
  background:#FFFDF7;
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
  background:var(--accent);
  color:#fff;
}
.faq-answer{
  padding:4px 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-soft);
  border-top:1px dashed transparent;
}
.faq-answer strong{color:var(--ink);font-weight:600;}

/* ============ CTA band ============ */
.cta-band{
  background:var(--brand-deep);
  border-radius:20px;
  padding:32px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  position:relative;
  overflow:hidden;
}
@media (min-width:768px){.cta-band{padding:44px 40px;}}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  border:1px solid rgba(207,233,226,.22);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(21px,2.6vw,28px);
  font-weight:700;
  line-height:1.35;
  color:#fff;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:44em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.back-top{
  display:flex;
  justify-content:center;
  margin-top:28px;
}
.back-top a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-soft);
  padding:10px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--card);
}
.back-top a:hover{color:var(--accent);border-color:var(--mint);}

/* ============ Footer ============ */
.site-footer{
  background:var(--brand-deep);
  border-top:2px solid var(--accent);
  padding:56px 0 96px;
  margin-top:64px;
  color:rgba(255,255,255,.75);
}
@media (min-width:768px){.site-footer{padding:64px 0 32px;margin-top:88px;}}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-desc{
  margin-top:16px;
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:34em;
}
.footer-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  height:42px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  max-width:320px;
  transition:border-color .2s ease;
}
.footer-search:focus-within{border-color:rgba(255,200,87,.7);}
.footer-search input{
  border:0;
  background:transparent;
  outline:none;
  color:#fff;
  font-size:13px;
  width:100%;
}
.footer-search input::placeholder{color:rgba(255,255,255,.5);}
.footer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:rgba(255,255,255,.55);
  margin-bottom:14px;
}
.footer-links a{
  display:block;
  font-size:14px;
  line-height:1.7;
  padding:5px 0;
  color:rgba(255,255,255,.78);
}
.footer-links a:hover{color:var(--sun);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  line-height:1.7;
  padding:5px 0;
  color:rgba(255,255,255,.72);
}
.footer-contact svg{flex:0 0 auto;margin-top:4px;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a:hover{color:var(--sun);}
.footer-legal{
  margin-top:14px;
  font-size:12px;
  line-height:1.8;
  color:rgba(255,255,255,.55);
  max-width:76em;
}

/* ============ Mobile fixed CTA ============ */
.mobile-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:90;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 16px;
  background:var(--card);
  border-top:2px solid var(--accent);
  box-shadow:0 -8px 24px rgba(16,32,31,.09);
}
.mobile-cta p{
  font-size:13px;
  line-height:1.5;
  color:var(--ink-soft);
}
.mobile-cta p strong{color:var(--ink);font-weight:600;}
.mobile-cta .btn{padding:12px 20px;font-size:14px;min-height:44px;}
@media (min-width:768px){.mobile-cta{display:none;}}

/* ============ Misc ============ */
.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

/* roulang page: category2 */
:root{
  --brand:#0E4F4A; --brand-deep:#082B29; --accent:#FF6A3D; --accent-soft:#FFE6DE;
  --sun:#FFC857; --mint:#CFE9E2; --paper:#F7F4EC; --card:#FFFFFF; --line:#E3DED2;
  --ink:#10201F; --ink-soft:#4E5D5B;
  --radius-card:16px; --radius-block:24px;
  --shadow-soft:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
  --shadow-lift:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Oswald",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box;}
.page-body{
  margin:0;font-family:var(--font-sans);background:var(--paper);color:var(--ink);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
.page-body a{text-decoration:none;}
.container-x{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container-x{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--card);
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,32,31,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
@media(min-width:1024px){.header-inner{height:76px;gap:24px;}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-soft);}
.main-nav{display:none;align-items:center;gap:2px;flex:1;margin-left:6px;}
@media(min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:14px;color:var(--ink-soft);
  border-radius:8px;transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--paper);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.header-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);width:220px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
@media(min-width:1024px){.header-search{display:flex;}}
.header-search:focus-within{border-color:var(--mint);box-shadow:0 0 0 3px rgba(207,233,226,.55);}
.header-search input{
  border:0;outline:0;background:transparent;font-size:13px;width:100%;color:var(--ink);
  font-family:var(--font-sans);
}
.header-search input::placeholder{color:var(--ink-soft);}
.nav-toggle{
  display:flex;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;background:var(--card);cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--paper);border-color:var(--mint);}
@media(min-width:1024px){.nav-toggle{display:none;}}
.mobile-drawer{
  display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--card);
  z-index:79;padding:20px;overflow-y:auto;border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-link{
  display:block;padding:14px 12px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);border-radius:10px;transition:background .2s ease;
}
.mobile-drawer .m-link:hover{background:var(--paper);}
.mobile-drawer .m-link.active{color:var(--brand);font-weight:600;background:var(--paper);}
.mobile-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;margin-top:20px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
}
.mobile-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink);font-family:var(--font-sans);}
.mobile-search input::placeholder{color:var(--ink-soft);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:14px;line-height:1;
  padding:14px 26px;min-height:46px;border:1.5px solid transparent;cursor:pointer;
  font-family:var(--font-sans);transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#E85A2E;transform:translateY(-2px);box-shadow:var(--shadow-lift);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--card);border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--mint);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:13px;min-height:40px;}
.btn-light{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn-light:hover{background:var(--mint);border-color:var(--mint);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,.toc-link:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:2px solid transparent;transition:color .2s ease,padding .2s ease;
}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover .arrow{transform:translateX(3px);}
.link-arrow .arrow{transition:transform .2s ease;}

/* ============ 页头 Hero ============ */
.page-hero{background:var(--paper);padding:40px 0 36px;border-bottom:1px solid var(--line);}
@media(min-width:1024px){.page-hero{padding:52px 0 44px;}}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12px;color:var(--ink-soft);margin-bottom:18px;
}
.crumbs a{color:var(--ink-soft);transition:color .2s ease;}
.crumbs a:hover{color:var(--accent);}
.crumbs .current{color:var(--ink);}
.crumbs .sep{color:#B9B2A2;}
.hero-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:end;}
@media(min-width:900px){.hero-row{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}}
.page-hero h1{
  font-size:clamp(28px,3.6vw,40px);font-weight:700;line-height:1.25;
  letter-spacing:-.02em;color:var(--ink);margin:0;
}
.page-hero .lead{font-size:15px;line-height:1.8;color:var(--ink-soft);margin:14px 0 0;max-width:620px;}
.hero-note{
  background:var(--mint);border-radius:16px;padding:20px 22px;border:1px solid rgba(14,79,74,.10);
}
.hero-note .note-k{font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;margin-bottom:6px;}
.hero-note .note-v{font-size:14px;line-height:1.7;color:var(--brand-deep);}

/* ============ 主体布局 ============ */
.flow-layout{padding:56px 0 8px;}
@media(min-width:1024px){.flow-layout{padding:88px 0 16px;}}
.flow-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
@media(min-width:1024px){.flow-grid{grid-template-columns:240px minmax(0,1fr);gap:44px;}}
.toc{
  display:none;position:sticky;top:96px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
  box-shadow:var(--shadow-soft);
}
@media(min-width:1024px){.toc{display:block;}}
.toc-title{
  font-size:12px;letter-spacing:.08em;color:var(--ink-soft);font-weight:600;
  margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-soft);border-left:3px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--brand);background:var(--paper);}
.toc-link.current{color:var(--brand);font-weight:600;border-left-color:var(--sun);background:var(--paper);}
.toc-num{font-family:var(--font-num);font-size:14px;color:var(--accent);letter-spacing:.04em;}

.toc-strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
@media(min-width:1024px){.toc-strip{display:none;}}
.toc-strip a{
  flex:0 0 auto;white-space:nowrap;font-size:13px;color:var(--ink-soft);
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc-strip a:hover{color:var(--brand);border-color:var(--mint);background:var(--paper);}

/* ============ 步骤 ============ */
.step-list{display:flex;flex-direction:column;}
.step{
  position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  padding-bottom:44px;
}
@media(min-width:768px){.step{grid-template-columns:56px minmax(0,1fr);gap:26px;padding-bottom:52px;}}
.step::before{
  content:"";position:absolute;left:25px;top:60px;bottom:6px;
  border-left:1px dashed var(--line);
}
@media(min-width:768px){.step::before{left:27px;top:64px;}}
.step-list > .step:last-child::before{display:none;}
.step-list > .step:last-child{padding-bottom:0;}
.step-num{
  width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:600;letter-spacing:.04em;
  box-shadow:0 6px 16px -10px rgba(14,79,74,.85);flex:0 0 auto;
}
@media(min-width:768px){.step-num{width:56px;height:56px;font-size:22px;}}
.step-body{min-width:0;}
.step-tag{
  display:inline-block;font-size:12px;letter-spacing:.04em;color:var(--accent);
  background:var(--accent-soft);border-radius:8px;padding:3px 10px;margin-bottom:10px;font-weight:600;
}
.step-body h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);margin:0 0 10px;}
@media(min-width:768px){.step-body h3{font-size:22px;}}
.step-body p{font-size:16px;line-height:1.85;color:var(--ink);margin:0 0 12px;}
.step-body p:last-child{margin-bottom:0;}
.check-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ink-soft);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;
  background:var(--accent);border-radius:2px;
}
.step-figure{
  margin:18px 0 0;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  background:var(--mint);
}
.step-figure img{display:block;width:100%;height:190px;object-fit:cover;}
@media(min-width:768px){.step-figure img{height:220px;}}
.step-figure figcaption{
  font-size:13px;color:var(--ink-soft);padding:10px 14px;background:var(--card);
  border-top:1px solid var(--line);
}

/* ============ 小结卡 ============ */
.summary-card{
  margin-top:48px;background:var(--brand-deep);color:#fff;border-radius:20px;
  padding:28px;position:relative;overflow:hidden;
}
@media(min-width:768px){.summary-card{padding:40px;}}
.summary-card::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(207,233,226,.22);
}
.summary-card::before{
  content:"";position:absolute;right:20px;bottom:-110px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(207,233,226,.14);
}
.summary-card h2{
  font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;margin:0 0 14px;
  position:relative;z-index:1;
}
.summary-card p{
  font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);margin:0 0 22px;
  max-width:640px;position:relative;z-index:1;
}
.summary-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}

/* ============ FAQ ============ */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{
  position:relative;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.28;
  color:var(--ink);margin:0;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:6px;
  background:var(--accent);border-radius:3px;
}
.section-head .sub{font-size:15px;line-height:1.8;color:var(--ink-soft);margin:14px 0 0;padding-left:16px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--card);
  margin-bottom:12px;overflow:hidden;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{background:#FFFDF7;border-color:var(--mint);box-shadow:var(--shadow-soft);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 54px 18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--brand);transition:transform .25s ease,color .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--accent);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft);}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--mint);border-radius:20px;padding:28px;
  display:flex;flex-direction:column;gap:18px;
}
@media(min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px;}}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;color:var(--brand-deep);margin:0 0 8px;}
.cta-band p{font-size:14px;line-height:1.75;color:var(--brand);margin:0;max-width:560px;}
.back-top{display:flex;justify-content:center;padding:8px 0 0;}
.back-top a{font-size:14px;color:var(--ink-soft);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;}
.back-top a:hover{color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.78);
  border-top:2px solid var(--accent);padding:56px 0 28px;margin-top:64px;
}
@media(min-width:1024px){.site-footer{padding:64px 0 32px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand-main{color:#fff;font-size:15px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);}
.footer-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:320px;}
.footer-search{
  display:flex;align-items:center;gap:8px;margin-top:20px;max-width:280px;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:9px 16px;
  transition:border-color .2s ease;
}
.footer-search:focus-within{border-color:rgba(255,200,87,.7);}
.footer-search input{
  background:transparent;border:0;outline:0;color:#fff;font-size:13px;width:100%;
  font-family:var(--font-sans);
}
.footer-search input::placeholder{color:rgba(255,255,255,.45);}
.footer-title{font-size:13px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:13px;transition:color .2s ease;}
.footer-links a:hover{color:var(--sun);}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(255,255,255,.68);}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;line-height:1.6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-note{font-size:12px;line-height:1.8;color:rgba(255,255,255,.55);margin:14px 0 0;}

/* roulang page: category3 */
:root{
    --brand:#0E4F4A;
    --brand-deep:#082B29;
    --accent:#FF6A3D;
    --accent-hover:#E85A2E;
    --accent-soft:#FFE6DE;
    --sun:#FFC857;
    --mint:#CFE9E2;
    --paper:#F7F4EC;
    --card:#FFFFFF;
    --line:#E3DED2;
    --ink:#10201F;
    --ink-soft:#4E5D5B;
    --radius-card:16px;
    --radius-panel:24px;
    --shadow-soft:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
    --shadow-lift:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
    --header-h:72px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  input{font-family:inherit;}

  .container-x{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){
    .container-x{padding:0 32px;}
  }

  /* ============ Header ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:70;
    background:var(--card);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(16,32,31,.04);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    height:var(--header-h);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .brand-mark{
    width:32px;
    height:32px;
    border-radius:10px;
    background:var(--brand);
    display:flex;
    align-items:center;
    justify-content:center;
    flex:0 0 auto;
    transition:background .2s ease;
  }
  .brand:hover .brand-mark{background:var(--brand-deep);}
  .brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
  }
  .brand-main{
    font-size:16px;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .brand-sub{
    font-size:11px;
    letter-spacing:.08em;
    color:var(--ink-soft);
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:8px;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    color:var(--ink-soft);
    padding:6px 0;
    transition:color .2s ease;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px;}
  .nav-link.active{color:var(--brand);font-weight:600;}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:-8px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
  }
  .header-tools{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
  }
  .nav-search{
    display:flex;
    align-items:center;
    gap:8px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 14px;
    width:220px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search:focus-within{
    border-color:var(--mint);
    box-shadow:0 0 0 3px rgba(207,233,226,.55);
  }
  .nav-search input{
    border:0;
    outline:0;
    background:transparent;
    font-size:13px;
    color:var(--ink);
    width:100%;
  }
  .nav-search input::placeholder{color:var(--ink-soft);}
  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:12px;
    background:var(--card);
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:background .2s ease;
  }
  .nav-toggle:hover{background:var(--mint);}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:999px;
    font-weight:600;
    cursor:pointer;
    border:0;
    transition:transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
    min-height:44px;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:#fff;
    padding:13px 28px;
    font-size:15px;
    box-shadow:var(--shadow-soft);
  }
  .btn-primary:hover{
    background:var(--accent-hover);
    transform:translateY(-2px);
    box-shadow:var(--shadow-lift);
  }
  .btn-primary:active{transform:translateY(0);}
  .btn-primary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-ghost{
    background:var(--card);
    color:var(--brand);
    border:1.5px solid var(--brand);
    padding:12px 26px;
    font-size:15px;
  }
  .btn-ghost:hover{background:var(--mint);}
  .btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-sm{
    padding:10px 20px;
    font-size:14px;
  }
  .link-cta{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    transition:color .2s ease;
  }
  .link-cta .arrow{transition:transform .2s ease;}
  .link-cta:hover{color:var(--accent);}
  .link-cta:hover .arrow{transform:translateX(3px);}
  .link-cta:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

  /* ============ Mobile drawer ============ */
  .drawer-mask{
    position:fixed;
    left:0;right:0;top:var(--header-h);bottom:0;
    background:rgba(8,43,41,.45);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease;
    z-index:60;
  }
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .mobile-drawer{
    position:fixed;
    left:0;right:0;top:var(--header-h);
    max-height:calc(100vh - var(--header-h));
    overflow:auto;
    background:var(--card);
    padding:24px 20px 32px;
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
    transition:transform .25s ease, opacity .25s ease;
    z-index:65;
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .drawer-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 4px;
    font-size:15px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer-link.active{color:var(--brand);font-weight:600;}
  .drawer-search{
    display:flex;
    align-items:center;
    gap:8px;
    border:1px solid var(--line);
    border-radius:12px;
    padding:12px 14px;
    margin-top:20px;
  }
  .drawer-search input{
    border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink);
  }

  /* ============ Page head ============ */
  .page-head{
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:48px 0 40px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    color:var(--ink-soft);
    margin-bottom:18px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--ink-soft);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink);}
  .head-row{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
  }
  .page-head h1{
    margin:0 0 12px;
    font-size:clamp(28px, 3.6vw, 40px);
    line-height:1.2;
    letter-spacing:-.02em;
    font-weight:700;
    max-width:760px;
  }
  .head-desc{
    margin:0;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-soft);
    max-width:620px;
  }
  .head-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--mint);
    color:var(--brand);
    font-size:13px;
    font-weight:600;
    letter-spacing:.02em;
    padding:8px 16px;
    border-radius:8px;
    flex:0 0 auto;
  }

  /* ============ Section base ============ */
  .section{padding:64px 0;}
  @media (min-width:768px){.section{padding:80px 0;}}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    margin-bottom:36px;
  }
  .sec-title{
    display:flex;
    align-items:center;
    gap:12px;
    margin:0;
    font-size:clamp(24px, 2.8vw, 34px);
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .sec-title::before{
    content:"";
    width:6px;
    height:.9em;
    border-radius:3px;
    background:var(--accent);
    flex:0 0 auto;
  }
  .sec-sub{
    margin:12px 0 0;
    font-size:15px;
    line-height:1.85;
    color:var(--ink-soft);
    max-width:640px;
  }

  /* ============ Security cards ============ */
  .security-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
  }
  @media (min-width:768px){
    .security-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
  }
  .sec-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:22px;
    display:flex;
    flex-direction:column;
    gap:18px;
    box-shadow:var(--shadow-soft);
    transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
  }
  .sec-card:hover{
    border-color:var(--mint);
    box-shadow:var(--shadow-lift);
  }
  @media (min-width:640px){
    .sec-card{
      flex-direction:row;
      align-items:center;
      padding:26px;
      gap:24px;
    }
    .sec-card.flip{flex-direction:row-reverse;}
    .sec-card figure{
      width:40%;
      flex:0 0 40%;
    }
  }
  .sec-card figure{
    margin:0;
    border-radius:12px;
    overflow:hidden;
    aspect-ratio:4/3;
    background:var(--mint);
  }
  @media (min-width:640px){
    .sec-card figure{aspect-ratio:1/1;}
  }
  .sec-card figure img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s ease-out;
  }
  .sec-card:hover figure img{transform:scale(1.04);}
  .sec-card-body{flex:1 1 auto;min-width:0;}
  .tag{
    display:inline-block;
    font-size:12px;
    letter-spacing:.02em;
    padding:5px 12px;
    border-radius:8px;
    background:var(--accent-soft);
    color:var(--accent);
    font-weight:600;
    margin-bottom:12px;
  }
  .tag.mint{background:var(--mint);color:var(--brand);}
  .sec-card h3{
    margin:0 0 10px;
    font-size:20px;
    line-height:1.4;
    font-weight:600;
    letter-spacing:-.01em;
  }
  .sec-card p{
    margin:0 0 16px;
    font-size:14px;
    line-height:1.85;
    color:var(--ink-soft);
  }

  /* ============ Warning bar ============ */
  .warn-bar{
    display:flex;
    align-items:flex-start;
    gap:14px;
    background:var(--accent-soft);
    border-left:4px solid var(--accent);
    border-radius:12px;
    padding:18px 22px;
    margin-top:32px;
  }
  .warn-bar svg{flex:0 0 auto;margin-top:3px;}
  .warn-bar p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:#7A3A22;
  }

  /* ============ FAQ ============ */
  .faq-list{max-width:860px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    margin-bottom:12px;
    overflow:hidden;
    transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
  }
  .faq-item:hover{border-color:var(--mint);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 22px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
  .faq-icon{
    flex:0 0 auto;
    width:24px;
    height:24px;
    border-radius:50%;
    background:var(--paper);
    color:var(--brand);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    font-weight:600;
    line-height:1;
    transition:transform .25s ease, background .25s ease, color .25s ease;
  }
  .faq-item[open]{
    background:#FFFDF7;
    border-color:var(--line);
    box-shadow:inset 3px 0 0 var(--accent);
  }
  .faq-item[open] .faq-icon{
    transform:rotate(45deg);
    background:var(--accent);
    color:#fff;
  }
  .faq-body{
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.9;
    color:var(--ink-soft);
  }
  .faq-body p{margin:0 0 10px;}
  .faq-body p:last-child{margin-bottom:0;}
  .faq-body ol{
    margin:10px 0 0;
    padding-left:22px;
  }
  .faq-body ol li{margin-bottom:8px;}

  /* ============ CTA panel ============ */
  .cta-panel{
    background:var(--brand-deep);
    border-radius:20px;
    padding:34px 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    flex-wrap:wrap;
    position:relative;
    overflow:hidden;
  }
  .cta-panel::after{
    content:"";
    position:absolute;
    right:-60px;
    bottom:-80px;
    width:260px;
    height:260px;
    border-radius:50%;
    border:1px solid rgba(207,233,226,.22);
    pointer-events:none;
  }
  .cta-panel h2{
    margin:0 0 8px;
    font-size:clamp(22px, 2.4vw, 28px);
    line-height:1.3;
    color:#fff;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .cta-panel p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.72);
    max-width:560px;
  }
  .cta-panel .btn-primary{position:relative;z-index:1;}
  .back-top{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:22px;
    font-size:14px;
    color:var(--ink-soft);
    transition:color .2s ease;
  }
  .back-top:hover{color:var(--accent);}

  /* ============ Footer ============ */
  .site-footer{
    background:var(--brand-deep);
    border-top:2px solid var(--accent);
    padding:64px 0 32px;
    color:rgba(255,255,255,.72);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;}
  }
  .site-footer .brand-main{color:#fff;}
  .site-footer .brand-sub{color:rgba(255,255,255,.58);}
  .site-footer .brand-mark{background:rgba(255,255,255,.1);}
  .footer-desc{
    margin:18px 0 0;
    font-size:13px;
    line-height:1.9;
    color:rgba(255,255,255,.62);
    max-width:340px;
  }
  .footer-search{
    display:flex;
    align-items:center;
    gap:8px;
    border:1px solid rgba(255,255,255,.18);
    border-radius:12px;
    padding:10px 12px;
    margin-top:18px;
    max-width:300px;
    transition:border-color .2s ease;
  }
  .footer-search:focus-within{border-color:rgba(255,200,87,.7);}
  .footer-search input{
    background:transparent;
    border:0;
    outline:0;
    color:#fff;
    font-size:13px;
    width:100%;
  }
  .footer-search input::placeholder{color:rgba(255,255,255,.48);}
  .footer-title{
    font-size:13px;
    font-weight:600;
    letter-spacing:.08em;
    color:#fff;
    margin-bottom:16px;
  }
  .footer-links{
    display:flex;
    flex-direction:column;
    gap:11px;
  }
  .footer-links a{
    font-size:13px;
    color:rgba(255,255,255,.7);
    transition:color .2s ease;
  }
  .footer-links a:hover{color:var(--sun);}
  .footer-links a:focus-visible{outline:2px solid var(--sun);outline-offset:3px;border-radius:4px;}
  .footer-meta{display:flex;flex-direction:column;gap:12px;}
  .footer-meta-item{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:13px;
    line-height:1.7;
    color:rgba(255,255,255,.72);
  }
  .footer-meta-item svg{flex:0 0 auto;margin-top:3px;}
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:12.5px;
    color:rgba(255,255,255,.6);
  }
  .footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
  .footer-bottom nav a{color:rgba(255,255,255,.6);transition:color .2s ease;}
  .footer-bottom nav a:hover{color:var(--sun);}
  .footer-disclaimer{
    margin:18px 0 0;
    font-size:12px;
    line-height:1.8;
    color:rgba(255,255,255,.55);
    max-width:900px;
  }

  /* ============ Responsive ============ */
  @media (max-width:1023px){
    .main-nav,
    .header-tools .nav-search,
    .header-tools .btn-primary{display:none;}
    .nav-toggle{display:flex;}
  }
  @media (max-width:767px){
    .page-head{padding:36px 0 32px;}
    .head-badge{margin-top:4px;}
    .warn-bar{padding:16px 18px;}
    .cta-panel{padding:28px 22px;}
  }
  @media (max-width:519px){
    .brand-main{font-size:15px;}
    .brand-sub{font-size:10px;}
    .footer-bottom{font-size:12px;}
  }

/* roulang page: category4 */
:root{
    --brand:#0E4F4A;
    --brand-deep:#082B29;
    --accent:#FF6A3D;
    --accent-hover:#E85A2E;
    --accent-soft:#FFE6DE;
    --sun:#FFC857;
    --mint:#CFE9E2;
    --paper:#F7F4EC;
    --card:#FFFFFF;
    --line:#E3DED2;
    --ink:#10201F;
    --ink-soft:#4E5D5B;
    --radius-img:12px;
    --radius-card:16px;
    --radius-lg:24px;
    --shadow-1:0 1px 2px rgba(16,32,31,.05), 0 8px 24px -16px rgba(16,32,31,.18);
    --shadow-2:0 4px 10px rgba(16,32,31,.07), 0 20px 40px -24px rgba(16,32,31,.28);
    --header-h:72px;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-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; }
  input,button,summary{ font-family:inherit; }
  h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
  ul,ol{ padding:0; list-style:none; }
  ::selection{ background:var(--accent-soft); color:var(--brand-deep); }

  .container-x{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .container-x{ padding-left:32px; padding-right:32px; }
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--card);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(16,32,31,.04);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:var(--header-h);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
    cursor:pointer;
  }
  .brand-mark{
    width:32px;
    height:32px;
    border-radius:10px;
    background:var(--brand);
    display:grid;
    place-items:center;
    flex:0 0 auto;
  }
  .brand-text{ display:block; line-height:1.2; }
  .brand-main{
    display:block;
    font-size:15px;
    font-weight:700;
    letter-spacing:.02em;
    color:var(--ink);
  }
  .brand-sub{
    display:block;
    font-size:11px;
    letter-spacing:.08em;
    color:var(--ink-soft);
    margin-top:2px;
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:2px;
    flex:1 1 auto;
    justify-content:center;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    min-height:40px;
    padding:8px 14px;
    font-size:14px;
    color:var(--ink-soft);
    border-radius:10px;
    transition:color .2s ease, background-color .2s ease;
    cursor:pointer;
    white-space:nowrap;
  }
  .nav-link:hover{ color:var(--brand); background:rgba(14,79,74,.06); }
  .nav-link:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }
  .nav-link.active{ color:var(--brand); font-weight:600; }
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--accent);
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }
  .header-search{
    display:flex;
    align-items:center;
    gap:8px;
    width:220px;
    padding:8px 14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:999px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .header-search:focus-within{
    border-color:var(--mint);
    box-shadow:0 0 0 3px rgba(207,233,226,.55);
  }
  .header-search input{
    width:100%;
    border:0;
    outline:0;
    background:transparent;
    font-size:13px;
    color:var(--ink);
  }
  .header-search input::placeholder{ color:var(--ink-soft); }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:12px 26px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }
  .btn-primary{
    background:var(--accent);
    color:#fff;
    box-shadow:var(--shadow-1);
  }
  .btn-primary:hover{ background:var(--accent-hover); transform:translateY(-2px); box-shadow:var(--shadow-2); }
  .btn-primary:active{ transform:translateY(0); }
  .btn-ghost{
    background:var(--card);
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-ghost:hover{ background:var(--mint); }
  .btn-brand{
    background:var(--brand);
    color:#fff;
    box-shadow:var(--shadow-1);
  }
  .btn-brand:hover{ background:var(--brand-deep); transform:translateY(-2px); box-shadow:var(--shadow-2); }
  .btn-sm{ padding:10px 20px; min-height:40px; font-size:13.5px; }

  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--card);
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:background-color .2s ease, border-color .2s ease;
  }
  .nav-toggle:hover{ background:var(--paper); border-color:var(--mint); }
  .nav-toggle:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  .drawer-mask{
    position:fixed;
    left:0; right:0; top:var(--header-h); bottom:0;
    background:rgba(8,43,41,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s ease, visibility .25s ease;
    z-index:50;
  }
  .drawer-mask.show{ opacity:1; visibility:visible; }
  .mobile-drawer{
    position:fixed;
    left:0; right:0; top:var(--header-h);
    background:var(--card);
    border-bottom:1px solid var(--line);
    padding:12px 20px 24px;
    z-index:55;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:transform .25s ease, opacity .25s ease, visibility .25s ease;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .mobile-drawer.is-open{ transform:translateY(0); opacity:1; visibility:visible; }
  .mobile-drawer a.drawer-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:48px;
    padding:10px 4px;
    font-size:15px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a.drawer-link.active{ color:var(--brand); font-weight:600; }
  .mobile-drawer a.drawer-link.active::after{
    content:"";
    width:22px; height:2px; border-radius:2px; background:var(--accent);
  }
  .drawer-search{
    display:flex;
    align-items:center;
    gap:10px;
    margin-top:16px;
    padding:12px 16px;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--paper);
  }
  .drawer-search input{
    border:0; outline:0; background:transparent; width:100%; font-size:14px; color:var(--ink);
  }
  .drawer-cta{ margin-top:16px; width:100%; }

  /* ---------- 页头 ---------- */
  .page-head{
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:32px 0 28px;
  }
  .crumbs{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    color:var(--ink-soft);
    letter-spacing:.02em;
    margin-bottom:20px;
    flex-wrap:wrap;
  }
  .crumbs a{ color:var(--ink-soft); transition:color .2s ease; }
  .crumbs a:hover{ color:var(--accent); }
  .crumbs .sep{ color:#B9B3A4; }
  .crumbs .current{ color:var(--ink); }

  .page-head-grid{
    display:grid;
    grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);
    gap:32px;
    align-items:start;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .badge-sun{ background:var(--sun); color:var(--ink); }
  .badge-mint{ background:var(--mint); color:var(--brand-deep); }
  .badge-accent{ background:var(--accent-soft); color:#C2410C; }

  .page-h1{
    margin-top:14px;
    font-size:clamp(28px,3.8vw,42px);
    line-height:1.22;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  .page-head-sub{
    margin-top:14px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-soft);
    max-width:44em;
  }
  .page-head-note{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:20px 22px;
    box-shadow:var(--shadow-1);
  }
  .page-head-note .note-title{
    font-size:13px;
    letter-spacing:.06em;
    color:var(--brand);
    font-weight:700;
    display:flex;
    align-items:center;
    gap:8px;
  }
  .page-head-note p{
    margin-top:10px;
    font-size:13.5px;
    line-height:1.75;
    color:var(--ink-soft);
  }
  .note-dot{
    width:8px; height:8px; border-radius:50%;
    background:var(--accent);
    flex:0 0 auto;
  }

  .anchor-chips{
    display:flex;
    gap:10px;
    margin-top:26px;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .anchor-chips::-webkit-scrollbar{ display:none; }
  .chip{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    min-height:40px;
    padding:9px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--card);
    font-size:14px;
    color:var(--ink-soft);
    cursor:pointer;
    transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  }
  .chip:hover{ border-color:var(--mint); color:var(--brand); transform:translateY(-1px); }
  .chip.active{ background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600; }
  .chip:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  /* ---------- 通用板块 ---------- */
  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:72px 0; } }
  @media (min-width:1024px){ .section{ padding:88px 0; } }

  .section-head{ margin-bottom:28px; }
  .section-h2{
    position:relative;
    padding-left:18px;
    font-size:clamp(22px,2.6vw,30px);
    font-weight:700;
    line-height:1.3;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .section-h2::before{
    content:"";
    position:absolute;
    left:0;
    top:.2em;
    width:6px;
    height:.9em;
    border-radius:999px;
    background:var(--accent);
  }
  .section-sub{
    margin-top:12px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--ink-soft);
    max-width:52em;
  }

  /* ---------- 高频情况列表 ---------- */
  .quick-panel{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-1);
    overflow:hidden;
  }
  .quick-row{
    display:grid;
    grid-template-columns:72px minmax(0,0.85fr) minmax(0,1.4fr) auto;
    gap:20px;
    align-items:center;
    padding:22px 26px;
    border-bottom:1px solid var(--line);
    transition:background-color .2s ease;
  }
  .quick-row:last-child{ border-bottom:0; }
  .quick-row:hover{ background:#FBFAF5; }
  .quick-num{
    font-size:26px;
    font-weight:700;
    color:rgba(255,106,61,.55);
    letter-spacing:.02em;
    line-height:1;
  }
  .quick-title{ font-size:17px; font-weight:600; color:var(--ink); line-height:1.5; }
  .quick-desc{ font-size:14px; line-height:1.75; color:var(--ink-soft); }
  .link-cta{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    border-bottom:2px solid transparent;
    padding-bottom:2px;
    transition:color .2s ease, border-color .2s ease;
    white-space:nowrap;
  }
  .link-cta span{ transition:transform .2s ease; display:inline-block; }
  .link-cta:hover{ color:var(--accent); border-color:var(--accent); }
  .link-cta:hover span{ transform:translateX(3px); }
  .link-cta:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:820px; margin:0 auto; }
  .faq-group{ margin-bottom:52px; scroll-margin-top:96px; }
  .faq-group:last-child{ margin-bottom:0; }
  .faq-group .group-desc{
    margin-top:10px;
    font-size:14px;
    color:var(--ink-soft);
    line-height:1.8;
  }
  .faq-list{ margin-top:20px; }
  .faq{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    margin-bottom:12px;
    overflow:hidden;
    transition:background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .faq:hover{ border-color:var(--mint); }
  .faq[open]{
    background:#FFFDF7;
    border-color:var(--mint);
    box-shadow:var(--shadow-1);
    border-left:3px solid var(--accent);
  }
  .faq summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    list-style:none;
    cursor:pointer;
    min-height:56px;
    padding:18px 22px;
    font-size:16px;
    font-weight:600;
    line-height:1.6;
    color:var(--ink);
  }
  .faq summary::-webkit-details-marker{ display:none; }
  .faq summary:focus-visible{ outline:2px solid var(--brand); outline-offset:-2px; }
  .faq-plus{
    flex:0 0 auto;
    width:24px;
    height:24px;
    border-radius:50%;
    border:1px solid var(--line);
    display:grid;
    place-items:center;
    font-size:16px;
    line-height:1;
    color:var(--brand);
    transition:transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  }
  .faq-plus::before{ content:"+"; }
  .faq[open] .faq-plus{
    background:var(--accent);
    border-color:var(--accent);
    color:#fff;
    transform:rotate(180deg);
  }
  .faq[open] .faq-plus::before{ content:"−"; }
  .faq-a{
    padding:0 22px 20px;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
  }
  .faq-a p{ margin-bottom:12px; }
  .faq-a p:last-child{ margin-bottom:0; }
  .faq-a ul{ margin:4px 0 12px; }
  .faq-a li{
    position:relative;
    padding-left:18px;
    margin-bottom:8px;
    font-size:15.5px;
    line-height:1.8;
    color:var(--ink);
  }
  .faq-a li::before{
    content:"";
    position:absolute;
    left:0;
    top:.72em;
    width:7px;
    height:7px;
    border-radius:2px;
    background:var(--accent);
  }
  .faq-a strong{ color:var(--brand); font-weight:600; }
  .faq-note{
    margin-top:6px;
    padding:14px 18px;
    background:var(--accent-soft);
    border-left:4px solid var(--accent);
    border-radius:10px;
    font-size:14px;
    line-height:1.75;
    color:#8A3418;
  }

  /* ---------- 相关推荐 ---------- */
  .related{ background:var(--card); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .card-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .post-card{
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:border-color .3s ease, box-shadow .3s ease, transform .3s ease;
    cursor:pointer;
  }
  .post-card:hover{
    border-color:var(--mint);
    box-shadow:var(--shadow-2);
    transform:translateY(-3px);
  }
  .post-card:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; }
  .post-thumb{
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--paper);
  }
  .post-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .3s ease-out;
  }
  .post-card:hover .post-thumb img{ transform:scale(1.03); }
  .post-body{ padding:20px 22px 22px; display:flex; flex-direction:column; gap:10px; flex:1 1 auto; }
  .post-body h3{
    font-size:17px;
    font-weight:600;
    line-height:1.55;
    color:var(--ink);
    transition:color .2s ease;
  }
  .post-card:hover .post-body h3{ color:var(--brand); }
  .post-desc{ font-size:14px; line-height:1.75; color:var(--ink-soft); }
  .post-foot{
    margin-top:auto;
    padding-top:12px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:13px;
    color:var(--ink-soft);
  }
  .post-foot .arrow{ color:var(--accent); font-weight:700; transition:transform .2s ease; }
  .post-card:hover .post-foot .arrow{ transform:translateX(3px); }

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--mint);
    border-radius:20px;
    padding:32px 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
  }
  .cta-band h2{
    font-size:clamp(20px,2.4vw,26px);
    font-weight:700;
    line-height:1.4;
    color:var(--brand-deep);
  }
  .cta-band p{
    margin-top:8px;
    font-size:14px;
    line-height:1.75;
    color:#28504C;
    max-width:44em;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--brand-deep);
    border-top:2px solid var(--accent);
    color:#fff;
    padding:64px 0 32px;
    margin-top:0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-brand .brand-main{ color:#fff; }
  .footer-brand .brand-sub{ color:rgba(255,255,255,.62); }
  .footer-brand .brand-mark{ background:#125F58; }
  .footer-desc{
    margin-top:16px;
    font-size:13px;
    line-height:1.8;
    color:rgba(255,255,255,.62);
    max-width:34em;
  }
  .footer-search{
    margin-top:18px;
    display:flex;
    align-items:center;
    gap:8px;
    padding:10px 14px;
    border:1px solid rgba(255,255,255,.18);
    border-radius:999px;
    background:rgba(255,255,255,.06);
    max-width:290px;
    transition:border-color .2s ease, background-color .2s ease;
  }
  .footer-search:focus-within{ border-color:var(--sun); background:rgba(255,255,255,.1); }
  .footer-search input{
    width:100%;
    border:0;
    outline:0;
    background:transparent;
    color:#fff;
    font-size:13px;
  }
  .footer-search input::placeholder{ color:rgba(255,255,255,.55); }
  .footer-title{
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--sun);
    margin-bottom:16px;
  }
  .footer-links{ display:flex; flex-direction:column; gap:10px; }
  .footer-links a{
    font-size:13px;
    color:rgba(255,255,255,.72);
    transition:color .2s ease;
    line-height:1.7;
  }
  .footer-links a:hover{ color:var(--sun); }
  .footer-links a:focus-visible{ outline:2px solid var(--sun); outline-offset:2px; }
  .footer-meta{ display:flex; flex-direction:column; gap:12px; }
  .footer-meta-item{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:13px;
    line-height:1.7;
    color:rgba(255,255,255,.72);
  }
  .footer-meta-item svg{ flex:0 0 auto; margin-top:3px; }
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
  }
  .footer-copy{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:12.5px;
    color:rgba(255,255,255,.7);
  }
  .footer-copy .copy-links{ display:flex; gap:20px; }
  .footer-copy .copy-links a{ transition:color .2s ease; }
  .footer-copy .copy-links a:hover{ color:var(--sun); }
  .footer-disclaimer{
    margin-top:12px;
    font-size:12px;
    line-height:1.8;
    color:rgba(255,255,255,.55);
    max-width:76em;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav{ display:none; }
    .header-search{ display:none; }
    .nav-toggle{ display:inline-flex; }
    .header-actions .btn-header-cta{ display:none; }
    .header-inner{ height:64px; }
    :root{ --header-h:64px; }
    .page-head-grid{ grid-template-columns:1fr; gap:24px; }
    .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px; }
  }
  @media (max-width:767px){
    .quick-row{
      grid-template-columns:56px minmax(0,1fr);
      grid-template-areas:
        "num title"
        "num desc"
        "num link";
      gap:6px 14px;
      padding:20px 18px;
      align-items:start;
    }
    .quick-num{ grid-area:num; font-size:22px; padding-top:2px; }
    .quick-title{ grid-area:title; }
    .quick-desc{ grid-area:desc; }
    .quick-row .link-cta{ grid-area:link; margin-top:6px; justify-self:start; }
    .card-grid{ grid-template-columns:1fr; }
    .faq-a{ padding:0 18px 18px; }
    .faq summary{ padding:16px 18px; font-size:15.5px; }
    .cta-band{ padding:26px 20px; }
    .cta-band .btn{ width:100%; }
    .footer-grid{ grid-template-columns:1fr; gap:28px; }
    .site-footer{ padding:48px 0 28px; }
  }
  @media (max-width:519px){
    .page-h1{ font-size:26px; }
    .section-h2{ font-size:21px; }
    .page-head-note{ padding:18px; }
  }