/* roulang page: index */
:root{
  --primary:#b55a3a;
  --primary-dark:#95432a;
  --primary-soft:#fae6da;
  --secondary:#2f5d4e;
  --secondary-dark:#234638;
  --secondary-soft:#e2eee9;
  --accent:#d9a13b;
  --dark:#26211d;
  --dark-soft:#332b25;
  --bg:#f6f0e8;
  --bg-deep:#efe6d9;
  --card:#fffaf3;
  --text:#2b241f;
  --muted:#6f645b;
  --border:#e2d5c5;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 32px rgba(43,38,32,.08);
  --shadow-lg:0 20px 50px rgba(43,38,32,.12);
  --max:1200px;
  --header-h:76px;
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
h1,h2,h3,h4{font-family:'Noto Serif SC',serif;line-height:1.35;margin:0;color:var(--dark)}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);
  background:rgba(38,33,29,.42);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .35s,border-color .35s,box-shadow .35s;
}
.site-header.scrolled{
  background:rgba(246,240,232,.94);
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px rgba(43,38,32,.08);
}
.site-header.scrolled .brand,
.site-header.scrolled .nav-link,
.site-header.scrolled .search-box input,
.site-header.scrolled .nav-toggle{color:var(--text)}
.site-header.scrolled .nav-link::after{background:var(--primary)}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px;
}
.brand{
  font-family:'Noto Serif SC',serif;
  font-weight:900;font-size:26px;letter-spacing:1px;color:#fff;
  display:flex;align-items:center;gap:10px;white-space:nowrap;
}
.brand i{color:var(--accent);font-size:22px}
.main-nav{
  display:flex;align-items:center;gap:6px;margin-left:auto;
}
.nav-link{
  display:block;padding:10px 16px;border-radius:var(--radius-sm);
  color:rgba(255,255,255,.88);font-size:15px;font-weight:500;position:relative;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{
  display:flex;align-items:center;gap:12px;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:7px 14px;
  transition:background .25s,border-color .25s,width .25s;
  width:180px;
}
.site-header.scrolled .search-box{background:var(--card);border-color:var(--border)}
.search-box input{
  background:transparent;border:none;color:#fff;font-size:14px;width:100%;
}
.search-box input::placeholder{color:rgba(255,255,255,.7)}
.site-header.scrolled .search-box input{color:var(--text)}
.site-header.scrolled .search-box input::placeholder{color:var(--muted)}
.search-box i{color:rgba(255,255,255,.75);font-size:13px}
.site-header.scrolled .search-box i{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .25s,box-shadow .25s,background .25s,color .25s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(181,90,58,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(181,90,58,.36)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-lg{padding:15px 34px;font-size:16px}
.btn .fa-arrow-right{transition:transform .25s}
.btn:hover .fa-arrow-right{transform:translateX(4px)}
.nav-toggle{display:none;font-size:22px;color:#fff;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;transition:background .25s}
.nav-toggle:hover{background:rgba(255,255,255,.12)}

.hero{
  position:relative;
  padding:calc(var(--header-h) + 88px) 0 96px;
  background:linear-gradient(rgba(38,33,29,.68),rgba(38,33,29,.38)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  text-align:center;
}
.hero-inner{max-width:840px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);
  padding:8px 18px;border-radius:999px;font-size:14px;letter-spacing:2px;color:#f5e8d8;
  margin-bottom:26px;
}
.hero h1{
  color:#fff;font-size:clamp(34px,5vw,56px);font-weight:900;letter-spacing:1px;
  margin-bottom:22px;
}
.hero h1 span{color:var(--accent)}
.hero-sub{
  font-size:clamp(15px,2vw,18px);color:rgba(255,255,255,.86);
  max-width:680px;margin:0 auto 40px;
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-stats{
  display:flex;justify-content:center;gap:0;margin-top:64px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:28px 20px;backdrop-filter:blur(6px);
}
.stat-item{flex:1;min-width:140px}
.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,.18)}
.stat-num{font-family:'Noto Serif SC',serif;font-size:30px;font-weight:900;color:#fff}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:4px}

.section{padding:var(--space) 0}
.section.bg-deep{background:var(--bg-deep)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.section-title{font-size:clamp(26px,3.4vw,34px);font-weight:900;position:relative;padding-bottom:12px}
.section-title::after{
  content:"";position:absolute;left:0;bottom:0;width:52px;height:3px;border-radius:3px;
  background:var(--primary);
}
.section-head.center .section-title::after{left:50%;transform:translateX(-50%)}
.section-subtitle{color:var(--muted);margin-top:12px;font-size:15px}
.section-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;padding:8px 4px;border-bottom:2px solid transparent;transition:border-color .25s}
.section-more:hover{border-color:var(--primary)}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 30px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:opacity .3s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#d4b89a}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:56px;height:56px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:22px;
}
.feature-card h3{font-size:20px;margin-bottom:12px}
.feature-card p{font-size:14px;color:var(--muted)}

.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.category-card{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:320px;
  display:flex;align-items:flex-end;padding:38px 34px;
  background-size:cover;background-position:center;
  isolation:isolate;transition:transform .35s,box-shadow .35s;
  box-shadow:var(--shadow);
}
.category-card::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(38,33,29,.08) 30%,rgba(38,33,29,.82) 90%);
  transition:background .35s;
}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-card:hover::before{background:linear-gradient(180deg,rgba(38,33,29,.04) 20%,rgba(38,33,29,.9) 90%)}
.category-inner{color:#fff;width:100%}
.category-inner .cat-label{font-size:13px;letter-spacing:2px;color:var(--accent);margin-bottom:8px}
.category-inner h3{color:#fff;font-size:28px;margin-bottom:10px}
.category-inner p{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:18px;max-width:420px}
.cat-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  padding:8px 18px;border:1px solid rgba(255,255,255,.55);border-radius:999px;
  transition:background .25s,color .25s;
}
.cat-arrow:hover{background:#fff;color:var(--dark)}

.latest-section{background:var(--card)}
.latest-section .section{background:transparent;padding:0}
.latest-wrap{padding:var(--space) 0}
.post-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 28px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s,border-color .3s;
  position:relative;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d4b89a}
.post-tag{
  display:inline-block;align-self:flex-start;
  background:var(--secondary-soft);color:var(--secondary);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.post-card h3{font-size:18px;line-height:1.5;transition:color .25s}
.post-card:hover h3{color:var(--primary)}
.post-card p{font-size:14px;color:var(--muted);line-height:1.7}
.post-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--border)}
.post-meta i{font-size:12px}
.post-empty{
  grid-column:1/-1;text-align:center;padding:56px 20px;color:var(--muted);
  font-size:15px;background:var(--bg);border:1px dashed var(--border);border-radius:var(--radius);
}

.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-item{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:36px 28px 30px;text-align:left;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.step-num{
  font-family:'Noto Serif SC',serif;font-size:40px;font-weight:900;color:var(--primary-soft);
  line-height:1;margin-bottom:14px;
}
.step-item h3{font-size:18px;margin-bottom:10px}
.step-item p{font-size:14px;color:var(--muted)}

.cover-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cover-card{
  border-radius:var(--radius);overflow:hidden;background:var(--card);
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.cover-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cover-thumb{height:180px;overflow:hidden;position:relative}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cover-card:hover .cover-thumb img{transform:scale(1.08)}
.cover-body{padding:22px 22px 26px}
.cover-body .cover-tag{font-size:12px;color:var(--primary);font-weight:600;letter-spacing:1px}
.cover-body h3{font-size:18px;margin:8px 0 10px;line-height:1.5}
.cover-body p{font-size:13px;color:var(--muted)}

.faq-section .container{display:grid;grid-template-columns:0.9fr 1.3fr;gap:56px;align-items:start}
.faq-head .section-title{margin-bottom:16px}
.faq-head p{color:var(--muted);font-size:15px}
.faq-head a{margin-top:18px}
.faq-list{}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;box-shadow:0 4px 16px rgba(43,38,32,.04);
}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
  padding:20px 22px;font-weight:600;font-size:15px;color:var(--dark);
  list-style:none;transition:background .25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--primary-soft)}
.faq-item summary i{color:var(--muted);transition:transform .3s;font-size:14px}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--muted);border-top:1px dashed var(--border);margin:0 22px 0;padding-top:16px;padding-left:0;padding-right:0}
.faq-answer p{margin-bottom:8px}

.cta-section{padding:0 0 var(--space)}
.cta-box{
  background:linear-gradient(120deg,var(--dark-soft),var(--dark)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius:calc(var(--radius) + 8px);padding:72px 56px;text-align:center;color:#fff;
  position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
}
.cta-box::before{content:"";position:absolute;inset:0;background:rgba(38,33,29,.55)}
.cta-box > *{position:relative}
.cta-box h2{color:#fff;font-size:clamp(26px,3vw,36px);margin-bottom:14px;font-weight:900}
.cta-box p{color:rgba(255,255,255,.82);max-width:560px;margin:0 auto 32px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding-top:68px;border-top:4px solid var(--primary);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:#fff;font-size:28px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:#fff;padding-left:5px}
.footer-bottom{
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

@media(max-width:1024px){
  :root{--space:72px}
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .search-box{display:none}
  .main-nav{
    position:fixed;top:var(--header-h);right:0;bottom:0;width:280px;
    background:var(--dark-soft);flex-direction:column;align-items:flex-start;
    padding:32px 24px;transform:translateX(100%);transition:transform .4s;
    box-shadow:-10px 0 30px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{color:rgba(255,255,255,.88)!important;font-size:16px;width:100%}
  .nav-link.active{color:#fff!important}
  .nav-toggle{display:flex}
  .faq-section .container{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;}
  .hero-stats{flex-wrap:wrap;gap:20px 0}
}
@media(max-width:768px){
  :root{--space:56px;--header-h:66px}
  .features-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .hero{padding-top:calc(var(--header-h) + 60px);padding-bottom:60px}
  .hero-stats .stat-item{min-width:50%}
  .stat-item:nth-child(2){border-left:none}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .cta-box{padding:48px 28px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .steps-grid{grid-template-columns:1fr}
  .cover-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-stats .stat-item{min-width:100%;border-left:none!important;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}
  .stat-item:last-child{border-bottom:none;padding-bottom:0}
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;text-align:center}
}

:root{
  --primary:#b55a3a;--primary-dark:#95432a;--primary-soft:#fae6da;
  --secondary:#2f5d4e;--secondary-dark:#234638;--secondary-soft:#e2eee9;
  --accent:#d9a13b;--dark:#26211d;--dark-soft:#332b25;
  --bg:#f6f0e8;--bg-deep:#efe6d9;--card:#fffaf3;--text:#2b241f;--muted:#6f645b;
  --border:#e2d5c5;--radius:16px;--radius-sm:10px;
  --shadow:0 12px 32px rgba(43,38,32,.08);--shadow-lg:0 20px 50px rgba(43,38,32,.12);
  --max:1200px;--header-h:76px;--space:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
h1,h2,h3,h4{font-family:'Noto Serif SC',serif;line-height:1.35;margin:0;color:var(--dark)}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(38,33,29,.42);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14);transition:background .35s,border-color .35s,box-shadow .35s}
.site-header.scrolled{background:rgba(246,240,232,.94);border-bottom:1px solid var(--border);box-shadow:0 6px 24px rgba(43,38,32,.08)}
.site-header.scrolled .brand,.site-header.scrolled .nav-link,.site-header.scrolled .nav-toggle{color:var(--text)}
.site-header.scrolled .nav-link::after{background:var(--primary)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{font-family:'Noto Serif SC',serif;font-weight:900;font-size:26px;letter-spacing:1px;color:#fff;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand i{color:var(--accent);font-size:22px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:block;padding:10px 16px;border-radius:var(--radius-sm);color:rgba(255,255,255,.88);font-size:15px;font-weight:500;position:relative;transition:color .25s,background .25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;transition:background .25s,border-color .25s;width:180px}
.site-header.scrolled .search-box{background:var(--card);border-color:var(--border)}
.search-box input{background:transparent;border:none;color:#fff;font-size:14px;width:100%}
.search-box input::placeholder{color:rgba(255,255,255,.7)}
.site-header.scrolled .search-box input{color:var(--text)}
.site-header.scrolled .search-box input::placeholder{color:var(--muted)}
.search-box i{color:rgba(255,255,255,.75);font-size:13px}
.site-header.scrolled .search-box i{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,color .25s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(181,90,58,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(181,90,58,.36)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn .fa-arrow-right{transition:transform .25s}
.btn:hover .fa-arrow-right{transform:translateX(4px)}
.nav-toggle{display:none;font-size:22px;color:#fff;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;transition:background .25s}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.page-banner{
  position:relative;padding:calc(var(--header-h) + 72px) 0 72px;color:#fff;text-align:center;
  background:linear-gradient(rgba(38,33,29,.66),rgba(38,33,29,.46)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-banner .breadcrumb{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.page-banner .breadcrumb a{color:rgba(255,255,255,.72)}
.page-banner .breadcrumb a:hover{color:#fff}
.page-banner h1{color:#fff;font-size:clamp(28px,4vw,42px);font-weight:900;max-width:820px;margin:0 auto 14px}
.page-banner-meta{font-size:14px;color:rgba(255,255,255,.72);display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.article-main{padding:var(--space) 0}
.article-layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.article-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:44px 48px}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid var(--border)}
.article-meta .tag{background:var(--secondary-soft);color:var(--secondary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px}
.article-meta .date{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:6px}
.article-body{font-size:16px;color:#3d352e;line-height:1.9}
.article-body h2{font-size:24px;margin:30px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--primary-soft)}
.article-body h3{font-size:20px;margin:24px 0 10px}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius-sm);margin:20px 0}
.article-body blockquote{border-left:4px solid var(--primary);background:var(--primary-soft);padding:16px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:20px 0;color:var(--dark)}
.not-found{text-align:center;padding:60px 20px}
.not-found i{font-size:48px;color:var(--primary);margin-bottom:18px}
.not-found h2{font-size:28px;margin-bottom:12px}
.not-found p{color:var(--muted);margin-bottom:28px}
.article-tip{margin-top:36px;background:var(--bg);border:1px dashed var(--border);border-radius:var(--radius);padding:24px;display:flex;gap:16px;align-items:flex-start}
.article-tip i{color:var(--primary);font-size:22px;margin-top:2px}
.article-tip p{font-size:14px;color:var(--muted)}
.article-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:calc(var(--header-h) + 24px)}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.side-card h3{font-size:18px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary-soft)}
.side-card ul li{margin-bottom:12px}
.side-card ul a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);transition:color .25s,padding-left .25s}
.side-card ul a:hover{color:var(--primary);padding-left:4px}
.side-card ul a i{color:var(--primary);font-size:12px}
.cta-section{padding:0 0 var(--space)}
.cta-box{background:linear-gradient(120deg,var(--dark-soft),var(--dark)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;border-radius:calc(var(--radius) + 8px);padding:60px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;inset:0;background:rgba(38,33,29,.55)}
.cta-box>*{position:relative}
.cta-box h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px;font-weight:900}
.cta-box p{color:rgba(255,255,255,.82);max-width:520px;margin:0 auto 28px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:68px;border-top:4px solid var(--primary)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{color:#fff;font-size:28px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:#fff;padding-left:5px}
.footer-bottom{padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:1024px){
  :root{--space:72px}
  .search-box{display:none}
  .main-nav{position:fixed;top:var(--header-h);right:0;bottom:0;width:280px;background:var(--dark-soft);flex-direction:column;align-items:flex-start;padding:32px 24px;transform:translateX(100%);transition:transform .4s;box-shadow:-10px 0 30px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link{color:rgba(255,255,255,.88)!important;font-size:16px;width:100%}
  .nav-link.active{color:#fff!important}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--space:56px;--header-h:66px}
  .article-card{padding:30px 24px}
  .page-banner{padding-top:calc(var(--header-h) + 48px);padding-bottom:48px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .cta-box{padding:48px 26px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-meta{gap:10px}
}

:root{
  --primary:#b55a3a;--primary-dark:#95432a;--primary-soft:#fae6da;
  --secondary:#2f5d4e;--secondary-dark:#234638;--secondary-soft:#e2eee9;
  --accent:#d9a13b;--dark:#26211d;--dark-soft:#332b25;
  --bg:#f6f0e8;--bg-deep:#efe6d9;--card:#fffaf3;--text:#2b241f;--muted:#6f645b;
  --border:#e2d5c5;--radius:16px;--radius-sm:10px;
  --shadow:0 12px 32px rgba(43,38,32,.08);--shadow-lg:0 20px 50px rgba(43,38,32,.12);
  --max:1200px;--header-h:76px;--space:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
h1,h2,h3,h4{font-family:'Noto Serif SC',serif;line-height:1.35;margin:0;color:var(--dark)}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(38,33,29,.42);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14);transition:background .35s,border-color .35s,box-shadow .35s}
.site-header.scrolled{background:rgba(246,240,232,.94);border-bottom:1px solid var(--border);box-shadow:0 6px 24px rgba(43,38,32,.08)}
.site-header.scrolled .brand,.site-header.scrolled .nav-link,.site-header.scrolled .nav-toggle{color:var(--text)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{font-family:'Noto Serif SC',serif;font-weight:900;font-size:26px;letter-spacing:1px;color:#fff;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand i{color:var(--accent);font-size:22px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:block;padding:10px 16px;border-radius:var(--radius-sm);color:rgba(255,255,255,.88);font-size:15px;font-weight:500;position:relative;transition:color .25s,background .25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;width:180px}
.site-header.scrolled .search-box{background:var(--card);border-color:var(--border)}
.search-box input{background:transparent;border:none;color:#fff;font-size:14px;width:100%}
.search-box input::placeholder{color:rgba(255,255,255,.7)}
.site-header.scrolled .search-box input{color:var(--text)}
.site-header.scrolled .search-box input::placeholder{color:var(--muted)}
.search-box i{color:rgba(255,255,255,.75);font-size:13px}
.site-header.scrolled .search-box i{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,color .25s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(181,90,58,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(181,90,58,.36)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.nav-toggle{display:none;font-size:22px;color:#fff;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;transition:background .25s}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.page-banner{position:relative;padding:calc(var(--header-h) + 72px) 0 72px;color:#fff;text-align:center;background:linear-gradient(rgba(38,33,29,.66),rgba(38,33,29,.46)),url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.page-banner h1{color:#fff;font-size:clamp(30px,4.5vw,44px);font-weight:900;margin-bottom:14px}
.page-banner p{color:rgba(255,255,255,.84);font-size:16px;max-width:680px;margin:0 auto}
.section{padding:var(--space) 0}
.section.bg-deep{background:var(--bg-deep)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-title{font-size:clamp(26px,3.4vw,34px);font-weight:900;position:relative;padding-bottom:12px}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:3px;border-radius:3px;background:var(--primary)}
.section-subtitle{color:var(--muted);margin-top:12px;font-size:15px}
.section-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid transparent;transition:border-color .25s}
.section-more:hover{border-color:var(--primary)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;height:100%}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.guide-thumb{height:190px;overflow:hidden}
.guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.guide-card:hover .guide-thumb img{transform:scale(1.08)}
.guide-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.guide-tag{font-size:12px;color:var(--primary);font-weight:600;letter-spacing:1px}
.guide-body h3{font-size:19px;margin:10px 0 12px;line-height:1.5}
.guide-body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px}
.guide-body .guide-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.guide-link i{transition:transform .25s}
.guide-card:hover .guide-link i{transform:translateX(4px)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-item{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px 30px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.step-num{font-family:'Noto Serif SC',serif;font-size:40px;font-weight:900;color:var(--primary-soft);line-height:1;margin-bottom:14px}
.step-item h3{font-size:18px;margin-bottom:10px}
.step-item p{font-size:14px;color:var(--muted)}
.faq-section .container{display:grid;grid-template-columns:0.9fr 1.3fr;gap:56px;align-items:start}
.faq-head .section-title{margin-bottom:16px}
.faq-head p{color:var(--muted);font-size:15px}
.faq-head a{margin-top:18px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;box-shadow:0 4px 16px rgba(43,38,32,.04)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:20px 22px;font-weight:600;font-size:15px;color:var(--dark);list-style:none;transition:background .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--primary-soft)}
.faq-item summary i{color:var(--muted);transition:transform .3s;font-size:14px}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--muted);border-top:1px dashed var(--border);margin:0 22px 0;padding-top:16px;padding-left:0;padding-right:0}
.cta-section{padding:0 0 var(--space)}
.cta-box{background:linear-gradient(120deg,var(--dark-soft),var(--dark)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-radius:calc(var(--radius) + 8px);padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;inset:0;background:rgba(38,33,29,.55)}
.cta-box>*{position:relative}
.cta-box h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px;font-weight:900}
.cta-box p{color:rgba(255,255,255,.82);max-width:520px;margin:0 auto 28px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:68px;border-top:4px solid var(--primary)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{color:#fff;font-size:28px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:#fff;padding-left:5px}
.footer-bottom{padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:1024px){
  :root{--space:72px}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .search-box{display:none}
  .main-nav{position:fixed;top:var(--header-h);right:0;bottom:0;width:280px;background:var(--dark-soft);flex-direction:column;align-items:flex-start;padding:32px 24px;transform:translateX(100%);transition:transform .4s;box-shadow:-10px 0 30px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link{color:rgba(255,255,255,.88)!important;font-size:16px;width:100%}
  .nav-link.active{color:#fff!important}
  .nav-toggle{display:flex}
  .faq-section .container{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--space:56px;--header-h:66px}
  .page-banner{padding-top:calc(var(--header-h) + 48px);padding-bottom:48px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .cta-box{padding:48px 26px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .guide-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

:root{
  --primary:#b55a3a;--primary-dark:#95432a;--primary-soft:#fae6da;
  --secondary:#2f5d4e;--secondary-dark:#234638;--secondary-soft:#e2eee9;
  --accent:#d9a13b;--dark:#26211d;--dark-soft:#332b25;
  --bg:#f6f0e8;--bg-deep:#efe6d9;--card:#fffaf3;--text:#2b241f;--muted:#6f645b;
  --border:#e2d5c5;--radius:16px;--radius-sm:10px;
  --shadow:0 12px 32px rgba(43,38,32,.08);--shadow-lg:0 20px 50px rgba(43,38,32,.12);
  --max:1200px;--header-h:76px;--space:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
h1,h2,h3,h4{font-family:'Noto Serif SC',serif;line-height:1.35;margin:0;color:var(--dark)}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(38,33,29,.42);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14);transition:background .35s,border-color .35s,box-shadow .35s}
.site-header.scrolled{background:rgba(246,240,232,.94);border-bottom:1px solid var(--border);box-shadow:0 6px 24px rgba(43,38,32,.08)}
.site-header.scrolled .brand,.site-header.scrolled .nav-link,.site-header.scrolled .nav-toggle{color:var(--text)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{font-family:'Noto Serif SC',serif;font-weight:900;font-size:26px;letter-spacing:1px;color:#fff;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand i{color:var(--accent);font-size:22px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:block;padding:10px 16px;border-radius:var(--radius-sm);color:rgba(255,255,255,.88);font-size:15px;font-weight:500;position:relative;transition:color .25s,background .25s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;width:180px}
.site-header.scrolled .search-box{background:var(--card);border-color:var(--border)}
.search-box input{background:transparent;border:none;color:#fff;font-size:14px;width:100%}
.search-box input::placeholder{color:rgba(255,255,255,.7)}
.site-header.scrolled .search-box input{color:var(--text)}
.site-header.scrolled .search-box input::placeholder{color:var(--muted)}
.search-box i{color:rgba(255,255,255,.75);font-size:13px}
.site-header.scrolled .search-box i{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s,color .25s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(181,90,58,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(181,90,58,.36)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.nav-toggle{display:none;font-size:22px;color:#fff;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;transition:background .25s}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.page-banner{position:relative;padding:calc(var(--header-h) + 72px) 0 72px;color:#fff;text-align:center;background:linear-gradient(rgba(38,33,29,.66),rgba(38,33,29,.46)),url('/assets/images/backpic/back-3.png') center/cover no-repeat}
.page-banner h1{color:#fff;font-size:clamp(30px,4.5vw,44px);font-weight:900;margin-bottom:14px}
.page-banner p{color:rgba(255,255,255,.84);font-size:16px;max-width:680px;margin:0 auto}
.section{padding:var(--space) 0}
.section.bg-deep{background:var(--bg-deep)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-title{font-size:clamp(26px,3.4vw,34px);font-weight:900;position:relative;padding-bottom:12px}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:3px;border-radius:3px;background:var(--primary)}
.section-subtitle{color:var(--muted);margin-top:12px;font-size:15px}
.section-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid transparent;transition:border-color .25s}
.section-more:hover{border-color:var(--primary)}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-thumb{height:220px;overflow:hidden}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.service-card:hover .service-thumb img{transform:scale(1.07)}
.service-body{padding:30px 30px 32px;flex:1;display:flex;flex-direction:column}
.service-icon{display:inline-flex;width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);align-items:center;justify-content:center;font-size:18px;margin-bottom:18px}
.service-body h3{font-size:20px;margin-bottom:12px}
.service-body p{font-size:14px;color:var(--muted);margin-bottom:16px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.service-tags span{background:var(--bg);border:1px solid var(--border);color:var(--muted);font-size:12px;padding:4px 12px;border-radius:999px}
.value-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.value-box{background:var(--dark-soft);border-radius:var(--radius);padding:36px 28px;text-align:center;color:#fff;border:1px solid rgba(255,255,255,.08)}
.value-box .num{font-family:'Noto Serif SC',serif;font-size:38px;font-weight:900;color:var(--accent)}
.value-box .label{font-size:14px;color:rgba(255,255,255,.7);margin-top:6px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 26px;display:flex;gap:16px;align-items:flex-start;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 16px rgba(43,38,32,.04)}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene-item i{color:var(--primary);font-size:22px;margin-top:2px}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--muted)}
.cta-section{padding:0 0 var(--space)}
.cta-box{background:linear-gradient(120deg,var(--dark-soft),var(--dark)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;border-radius:calc(var(--radius) + 8px);padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;inset:0;background:rgba(38,33,29,.55)}
.cta-box>*{position:relative}
.cta-box h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px;font-weight:900}
.cta-box p{color:rgba(255,255,255,.82);max-width:520px;margin:0 auto 28px;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:68px;border-top:4px solid var(--primary)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{color:#fff;font-size:28px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:#fff;padding-left:5px}
.footer-bottom{padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:1024px){
  :root{--space:72px}
  .service-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .search-box{display:none}
  .main-nav{position:fixed;top:var(--header-h);right:0;bottom:0;width:280px;background:var(--dark-soft);flex-direction:column;align-items:flex-start;padding:32px 24px;transform:translateX(100%);transition:transform .4s;box-shadow:-10px 0 30px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link{color:rgba(255,255,255,.88)!important;font-size:16px;width:100%}
  .nav-link.active{color:#fff!important}
  .nav-toggle{display:flex}
  .footer-top{grid-template-columns:1fr 1fr}
  .value-stats{grid-template-columns:1fr}
}
@media(max-width:768px){
  :root{--space:56px;--header-h:66px}
  .page-banner{padding-top:calc(var(--header-h) + 48px);padding-bottom:48px}
  .scene-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .cta-box{padding:48px 26px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .value-stats{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --c-primary: #b45309;
    --c-primary-light: #d97706;
    --c-primary-dark: #92400e;
    --c-secondary: #3f6212;
    --c-secondary-light: #4d7c16;
    --c-bg: #faf6f0;
    --c-bg-alt: #f0e8dc;
    --c-bg-deep: #2b2118;
    --c-card: #ffffff;
    --c-text: #2e231b;
    --c-text-weak: #7d6e5f;
    --c-border: #ded0bd;
    --c-border-light: #ece1d2;
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(43, 33, 24, 0.05);
    --shadow-md: 0 8px 30px rgba(43, 33, 24, 0.08);
    --shadow-lg: 0 18px 50px rgba(43, 33, 24, 0.14);
    --space-page: clamp(64px, 8vw, 110px);
    --font-serif: "Iowan Old Style", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, "SimSun", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    background-color: var(--c-bg);
    background-image: radial-gradient(rgba(180, 83, 9, 0.035) 1px, transparent 1px);
    background-size: 26px 26px;
    color: var(--c-text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
    outline: 3px solid rgba(217, 119, 6, 0.4);
    outline-offset: 2px;
    border-radius: 4px;
}
.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}
/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    transition: all 0.28s ease;
    cursor: pointer;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn-primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
    color: #fff;
    box-shadow: 0 4px 16px rgba(180, 83, 9, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(180, 83, 9, 0.35);
    background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
    color: #fff;
}
.btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.14); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-dark {
    background: var(--c-bg-deep);
    color: #f5ead8;
    box-shadow: var(--shadow-sm);
}
.btn-dark:hover { background: #3a2d20; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; border-radius: 999px; }
/* ===== 徽章 / 标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(180, 83, 9, 0.12);
    color: var(--c-primary-dark);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    letter-spacing: 0.03em;
    border: 1px solid rgba(180, 83, 9, 0.18);
}
.badge-light {
    background: rgba(255,255,255,0.16);
    color: #fff;
    border-color: rgba(255,255,255,0.28);
}
.tag {
    display: inline-flex;
    align-items: center;
    background: var(--c-bg-alt);
    color: var(--c-text-weak);
    font-size: 0.78rem;
    padding: 4px 14px;
    border-radius: 999px;
    border: 1px solid var(--c-border-light);
    margin: 0 6px 6px 0;
    transition: all 0.22s ease;
}
.tag:hover {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}
/* ===== Header / 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 246, 240, 0.72);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid rgba(180, 83, 9, 0.10);
    transition: background 0.35s ease, box-shadow 0.35s ease;
}
.site-header.scrolled {
    background: rgba(250, 246, 240, 0.96);
    box-shadow: 0 4px 24px rgba(43, 33, 24, 0.10);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--c-primary-dark);
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.brand i { color: var(--c-primary); font-size: 1.3rem; }
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
    margin: 0 10px;
}
.main-nav .nav-link {
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--c-text);
    padding: 8px 18px;
    border-radius: 999px;
    position: relative;
    transition: all 0.22s ease;
}
.main-nav .nav-link:hover {
    color: var(--c-primary);
    background: rgba(180, 83, 9, 0.08);
}
.main-nav .nav-link.active {
    color: var(--c-primary-dark);
    background: rgba(180, 83, 9, 0.12);
    font-weight: 600;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}
.search-box input {
    width: 168px;
    height: 38px;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    background: rgba(255,255,255,0.75);
    padding: 0 38px 0 16px;
    font-size: 0.84rem;
    color: var(--c-text);
    transition: all 0.3s ease;
}
.search-box input::placeholder { color: var(--c-text-weak); }
.search-box input:focus {
    width: 210px;
    border-color: var(--c-primary);
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(180, 83, 9, 0.1);
}
.search-box i {
    position: absolute;
    right: 14px;
    color: var(--c-text-weak);
    font-size: 0.9rem;
    pointer-events: none;
}
.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--c-border);
    background: rgba(255,255,255,0.6);
    color: var(--c-text);
    font-size: 1.2rem;
    transition: all 0.25s ease;
}
.nav-toggle:hover { background: rgba(180, 83, 9, 0.1); color: var(--c-primary); border-color: var(--c-primary); }
.nav-toggle.active { transform: rotate(90deg); }
/* ===== 面包屑 ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb .sep { color: rgba(255,255,255,0.35); }
.breadcrumb .current { color: #fff; }
/* ===== 文章 Hero ===== */
.article-hero {
    position: relative;
    padding: 150px 0 70px;
    background-image:
        linear-gradient(135deg, rgba(30, 20, 12, 0.88), rgba(59, 40, 20, 0.72)),
        url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center 30%;
    background-attachment: fixed;
    border-bottom: 4px solid var(--c-primary);
}
.article-hero-content { max-width: 860px; }
.article-hero-content .badge {
    margin-bottom: 16px;
    background: rgba(255,255,255,0.14);
    color: #f5d7a1;
    border-color: rgba(255,255,255,0.22);
}
.article-hero-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.9rem);
    line-height: 1.32;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
    text-shadow: 0 2px 30px rgba(0,0,0,0.25);
}
.article-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
}
.article-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-hero-meta i { color: #e5a655; font-size: 0.9rem; }
/* ===== 文章主体 ===== */
.article-main {
    padding: 60px 0 20px;
}
.article-layout {
    max-width: 880px;
    margin: 0 auto;
}
.article-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: clamp(28px, 5vw, 56px);
    position: relative;
    margin-bottom: 50px;
}
.article-card::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px dashed var(--c-border-light);
    border-radius: calc(var(--radius-lg) - 6px);
    pointer-events: none;
}
.article-meta-card {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 30px;
    padding: 14px 22px;
    background: var(--c-bg-alt);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--c-primary);
    margin-bottom: 32px;
    font-size: 0.85rem;
    color: var(--c-text-weak);
    position: relative;
    z-index: 1;
}
.article-meta-card .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta-card i { color: var(--c-primary); }
.article-meta-card span { color: var(--c-text); font-weight: 500; }
.article-summary {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, rgba(180, 83, 9, 0.05), rgba(63, 98, 18, 0.04));
    border: 1px solid var(--c-border-light);
    border-radius: var(--radius-md);
    padding: 26px 28px 22px 50px;
    margin-bottom: 32px;
    font-family: var(--font-serif);
    font-size: 1.02rem;
    color: var(--c-text);
    line-height: 1.9;
    position: relative;
}
.article-summary i {
    position: absolute;
    left: 18px;
    top: 18px;
    font-size: 1.1rem;
    color: var(--c-primary);
    opacity: 0.6;
}
/* ===== 文章正文排版 ===== */
.article-body {
    position: relative;
    z-index: 1;
    font-size: 1.04rem;
    line-height: 2;
    color: var(--c-text);
}
.article-body > * + * { margin-top: 1.4em; }
.article-body h2 {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--c-primary-dark);
    margin-top: 2em;
    margin-bottom: 0.7em;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--c-border-light);
    position: relative;
}
.article-body h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 56px;
    height: 2px;
    background: var(--c-primary);
}
.article-body h3 {
    font-family: var(--font-serif);
    font-size: 1.28rem;
    color: var(--c-text);
    font-weight: 700;
    margin-top: 1.8em;
    margin-bottom: 0.6em;
}
.article-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--c-primary-dark);
    margin-top: 1.6em;
    margin-bottom: 0.4em;
}
.article-body p { margin: 1.2em 0; }
.article-body a {
    color: var(--c-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(180, 83, 9, 0.3);
}
.article-body a:hover { color: var(--c-primary-dark); text-decoration-color: var(--c-primary); }
.article-body ul, .article-body ol {
    margin: 1.2em 0;
    padding-left: 1.6em;
}
.article-body ul li { list-style: disc; margin: 0.4em 0; }
.article-body ol li { list-style: decimal; margin: 0.4em 0; }
.article-body li::marker { color: var(--c-primary); }
.article-body blockquote {
    position: relative;
    margin: 2em 0;
    padding: 20px 28px 20px 40px;
    background: var(--c-bg-alt);
    border-left: 4px solid var(--c-secondary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--c-text);
}
.article-body blockquote::before {
    content: '\201C';
    position: absolute;
    left: 12px;
    top: -4px;
    font-size: 2.6rem;
    color: var(--c-secondary);
    opacity: 0.3;
    font-style: normal;
}
.article-body pre {
    background: var(--c-bg-deep);
    color: #e8dcc8;
    padding: 22px 26px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 1.6em 0;
    box-shadow: inset 0 2px 12px rgba(0,0,0,0.15);
    position: relative;
    border: 1px solid rgba(255,255,255,0.08);
}
.article-body code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.88em;
    background: rgba(180, 83, 9, 0.10);
    color: var(--c-primary-dark);
    padding: 2px 7px;
    border-radius: 4px;
}
.article-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}
.article-body img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 1.6em auto;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: 0.9rem;
}
.article-body th, .article-body td {
    border: 1px solid var(--c-border);
    padding: 10px 16px;
    text-align: left;
}
.article-body th {
    background: var(--c-bg-alt);
    font-weight: 600;
    color: var(--c-primary-dark);
}
.article-body tr:nth-child(even) { background: rgba(240, 232, 220, 0.3); }
.article-body hr {
    border: none;
    border-top: 1px dashed var(--c-border);
    margin: 2.4em 0;
    text-align: center;
}
.article-body hr::after {
    content: '\2726';
    display: block;
    color: var(--c-primary);
    font-size: 0.9rem;
    margin-top: -12px;
    background: var(--c-card);
    width: 34px;
    margin-left: auto;
    margin-right: auto;
}
/* ===== 文章页脚（标签 / 分享） ===== */
.article-footer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--c-border-light);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.article-tags .tag { margin: 0 6px 6px 0; }
.article-tags .tag:first-child { background: rgba(180, 83, 9, 0.12); color: var(--c-primary-dark); border-color: rgba(180, 83, 9, 0.2); }
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--c-text-weak);
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: var(--c-bg);
    color: var(--c-text-weak);
    font-size: 0.95rem;
    transition: all 0.25s ease;
}
.share-btn:hover {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(180, 83, 9, 0.25);
}
/* ===== 内容未找到 ===== */
.not-found {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 60px 30px;
}
.not-found i {
    font-size: 3.4rem;
    color: var(--c-primary);
    opacity: 0.35;
    margin-bottom: 20px;
    display: block;
}
.not-found h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--c-text);
    margin-bottom: 12px;
}
.not-found p {
    color: var(--c-text-weak);
    margin-bottom: 28px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}
/* ===== 相关文章 ===== */
.related-section {
    padding: var(--space-page) 0 70px;
    border-top: 1px solid var(--c-border-light);
    background: linear-gradient(180deg, var(--c-bg), rgba(240, 232, 220, 0.5));
}
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}
.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-primary);
    margin-bottom: 8px;
    background: rgba(180, 83, 9, 0.08);
    border: 1px solid rgba(180, 83, 9, 0.15);
    padding: 4px 16px;
    border-radius: 999px;
}
.section-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    color: var(--c-text);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}
.section-head p {
    color: var(--c-text-weak);
    font-size: 0.96rem;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.post-card {
    background: var(--c-card);
    border: 1px solid var(--c-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(180, 83, 9, 0.25);
}
.post-card-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}
.post-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.post-card:hover .post-card-img img { transform: scale(1.06); }
.post-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(43, 33, 24, 0.35));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.post-card:hover .post-card-img::after { opacity: 1; }
.post-card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.post-card-body .badge {
    align-self: flex-start;
    font-size: 0.72rem;
}
.post-card-body h3 {
    font-family: var(--font-serif);
    font-size: 1.02rem;
    line-height: 1.5;
    font-weight: 700;
    color: var(--c-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3em;
    transition: color 0.25s ease;
}
.post-card:hover .post-card-body h3 { color: var(--c-primary); }
.post-card-body p {
    font-size: 0.84rem;
    color: var(--c-text-weak);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.post-card-body time {
    font-size: 0.78rem;
    color: var(--c-text-weak);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}
.post-card-body time i { color: var(--c-primary); opacity: 0.7; }
.empty-tip {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--c-text-weak);
    padding: 40px 0;
    font-size: 0.95rem;
}
/* ===== FAQ ===== */
.faq-section {
    padding: var(--space-page) 0;
    background: var(--c-bg-alt);
}
.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--c-card);
    border: 1px solid var(--c-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}
.faq-item:hover { border-color: rgba(180, 83, 9, 0.3); box-shadow: var(--shadow-md); }
.faq-item[open] { box-shadow: var(--shadow-md); }
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 28px;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--c-text);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: color 0.2s ease;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--c-primary); }
.faq-item summary::before {
    content: '\f059';
    font-family: 'Font Awesome 6 Free';
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--c-primary);
    flex-shrink: 0;
}
.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--c-text-weak);
    transition: transform 0.3s ease;
}
.faq-item[open] summary::after { transform: rotate(180deg); color: var(--c-primary); }
.faq-item > p {
    padding: 0 28px 22px 62px;
    color: var(--c-text-weak);
    font-size: 0.93rem;
    line-height: 1.85;
}
/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
    background-image:
        linear-gradient(135deg, rgba(43, 33, 24, 0.93), rgba(63, 42, 22, 0.86)),
        url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    position: relative;
    border-top: 4px solid var(--c-primary);
    border-bottom: 4px solid var(--c-primary);
}
.cta-box {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.cta-box .badge {
    background: rgba(217, 119, 6, 0.2);
    color: #f0c58a;
    border-color: rgba(217, 119, 6, 0.3);
    margin-bottom: 18px;
}
.cta-box h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.25;
    font-weight: 700;
}
.cta-box p {
    color: rgba(255,255,255,0.75);
    font-size: 1.02rem;
    margin-bottom: 32px;
    line-height: 1.8;
}
.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}
/* ===== 页脚 ===== */
.site-footer {
    background: var(--c-bg-deep);
    color: rgba(245, 234, 216, 0.75);
    padding: 70px 0 30px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand {
    color: #f0c58a;
    font-size: 1.5rem;
    margin-bottom: 14px;
}
.footer-brand .brand i { color: #d97706; }
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.9;
    max-width: 380px;
}
.footer-col h4 {
    font-family: var(--font-serif);
    color: #fff;
    font-size: 1.05rem;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 34px;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(245, 234, 216, 0.65);
    font-size: 0.9rem;
    transition: all 0.22s ease;
}
.footer-col ul a i {
    font-size: 0.7rem;
    color: var(--c-primary);
    transition: transform 0.22s ease;
}
.footer-col ul a:hover {
    color: #f0c58a;
    padding-left: 4px;
}
.footer-col ul a:hover i { transform: translateX(3px); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 30px;
    font-size: 0.82rem;
    color: rgba(245, 234, 216, 0.45);
}
.footer-bottom span:last-child { color: rgba(245, 234, 216, 0.35); }
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .search-box input { width: 140px; }
    .search-box input:focus { width: 170px; }
}
@media (max-width: 768px) {
    .nav-wrap { height: 62px; }
    .article-hero { padding: 120px 0 54px; }
    .article-card { padding: 24px 20px; }
    .main-nav {
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        background: rgba(250, 246, 240, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 14px 20px 20px;
        border-bottom: 1px solid var(--c-border);
        box-shadow: 0 16px 40px rgba(43, 33, 24, 0.12);
        display: none;
        max-height: calc(100vh - 62px);
        overflow-y: auto;
    }
    .main-nav.open { display: flex; }
    .main-nav .nav-link {
        padding: 10px 18px;
        border-radius: 10px;
        text-align: center;
        font-size: 1rem;
    }
    .nav-actions .search-box { display: none; }
    .nav-actions .btn { display: none; }
    .nav-toggle { display: flex; }
}
@media (max-width: 520px) {
    .related-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 36px; padding-bottom: 36px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .article-hero-meta { gap: 12px; }
    .article-footer { flex-direction: column; align-items: flex-start; }
    .article-meta-card { flex-direction: column; gap: 8px; padding: 16px 18px; }
    .article-body { font-size: 1rem; line-height: 1.9; }
    .article-body h2 { font-size: 1.35rem; }
    .article-body h3 { font-size: 1.15rem; }
    .article-summary { padding: 20px 18px 18px 42px; }
    .article-summary i { left: 14px; font-size: 0.95rem; }
    .cta-actions .btn { width: 100%; }
}
@media (min-width: 769px) {
    .nav-toggle { display: none; }
}

/* roulang page: category1 */
:root {
            --color-primary: #2b5d4d;
            --color-primary-dark: #1d4237;
            --color-accent: #d98e4a;
            --color-accent-light: #f0b37e;
            --color-bg: #f6f1e7;
            --color-surface: #fffaf0;
            --color-surface-deep: #efe6d6;
            --color-text: #2d2a24;
            --color-text-weak: #7a7265;
            --color-border: #d9c8a9;
            --color-border-dark: #b7a184;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(60, 50, 30, .06);
            --shadow-md: 0 10px 28px rgba(60, 50, 30, .10);
            --shadow-lg: 0 18px 44px rgba(60, 50, 30, .14);
            --space-section: 88px;
            --header-height: 72px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            background-image: radial-gradient(rgba(183, 161, 132, .06) 1px, transparent 1px);
            background-size: 22px 22px;
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        ::selection {
            background: var(--color-accent);
            color: #fff;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
        }

        button {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--space-section) 0;
        }

        .section-tag {
            display: inline-block;
            background: var(--color-surface);
            border: 1.5px solid var(--color-border-dark);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3.4vw, 36px);
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: .5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
        }

        .row-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            max-width: 100%;
            text-align: left;
            gap: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: 2px solid transparent;
            cursor: pointer;
            text-decoration: none;
            transition: background .25s ease, transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .btn-primary {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 0 var(--color-primary-dark);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 0 var(--color-primary-dark);
        }

        .btn-accent {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 0 #a66029;
        }

        .btn-accent:hover {
            background: #c77a3a;
            border-color: #c77a3a;
            transform: translateY(-2px);
            box-shadow: 0 6px 0 #a66029;
        }

        .btn-light {
            background: #fff;
            border-color: #fff;
            color: var(--color-primary);
            box-shadow: 0 4px 0 rgba(0, 0, 0, .16);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, .88);
            border-color: rgba(255, 255, 255, .88);
            transform: translateY(-2px);
            box-shadow: 0 6px 0 rgba(0, 0, 0, .18);
        }

        .btn-outline-dark {
            background: transparent;
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: 0 4px 0 rgba(43, 93, 77, .12);
        }

        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 0 rgba(29, 66, 55, .3);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(246, 241, 231, .72);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid rgba(183, 161, 132, .2);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 250, 240, .95);
            box-shadow: 0 10px 30px rgba(60, 50, 30, .10);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .brand i {
            color: var(--color-accent);
            font-size: 20px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            position: relative;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            text-decoration: none;
            transition: all .25s ease;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(43, 93, 77, .08);
        }

        .nav-link.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: 0 4px 14px rgba(43, 93, 77, .3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            position: relative;
        }

        .search-box input {
            width: 210px;
            padding: 10px 16px 10px 40px;
            border: 2px solid var(--color-border);
            border-radius: 999px;
            background: rgba(255, 250, 240, .8);
            font-size: 14px;
            color: var(--color-text);
            outline: none;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .search-box input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(43, 93, 77, .12);
        }

        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-weak);
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--color-border);
            background: var(--color-surface);
            border-radius: 50%;
            color: var(--color-primary);
            font-size: 18px;
            cursor: pointer;
        }

        .page-banner {
            position: relative;
            padding: calc(var(--header-height) + 76px) 0 70px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat, #1d4237;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(29, 66, 55, .92) 20%, rgba(43, 93, 77, .72) 60%, rgba(29, 66, 55, .5));
        }

        .banner-inner {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, .82);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .88);
            text-decoration: none;
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
        }

        .page-banner h1 {
            font-size: clamp(34px, 5.4vw, 54px);
            line-height: 1.16;
            margin: 0 0 18px;
            letter-spacing: 1px;
        }

        .banner-lead {
            max-width: 680px;
            font-size: clamp(16px, 2vw, 19px);
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            margin: 0 0 22px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        .tag-light {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .grid-cards {
            display: grid;
            gap: 24px;
        }

        .grid-cards.four {
            grid-template-columns: repeat(4, 1fr);
        }

        .grid-cards.three {
            grid-template-columns: repeat(3, 1fr);
        }

        .card {
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px 26px;
            box-shadow: 4px 4px 0 rgba(183, 161, 132, .18);
            transition: transform .25s ease, box-shadow .25s ease;
            position: relative;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 8px 8px 0 rgba(183, 161, 132, .26);
        }

        .card-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-deep);
            color: var(--color-primary);
            border: 2px dashed var(--color-border-dark);
            border-radius: 18px;
            font-size: 22px;
            margin-bottom: 18px;
            transition: transform .3s ease;
        }

        .card:hover .card-icon {
            transform: rotate(-6deg) scale(1.06);
        }

        .card h3 {
            font-size: 19px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card p {
            color: var(--color-text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            font-size: 14px;
            transition: gap .2s ease, color .2s ease;
        }

        .card-link:hover {
            gap: 12px;
            color: var(--color-accent);
        }

        .section-guide-cards {
            background: var(--color-bg);
        }

        .section-steps {
            background: linear-gradient(rgba(29, 66, 55, .92), rgba(43, 93, 77, .86)), url('/assets/images/backpic/back-3.png') center / cover;
            color: #f6f1e7;
        }

        .section-steps .section-head h2 {
            color: #fff;
        }

        .section-steps .section-head p {
            color: rgba(255, 255, 255, .78);
        }

        .section-steps .section-tag {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .35);
            color: #fff;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
            position: relative;
            z-index: 1;
        }

        .step-card {
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 22px 26px;
            box-shadow: 4px 4px 0 rgba(0, 0, 0, .08);
            transition: transform .3s ease;
        }

        .step-card:hover {
            transform: translateY(-6px) rotate(-.6deg);
        }

        .step-num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 2px var(--color-primary);
            display: block;
            margin-bottom: 14px;
        }

        .step-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .step-card p {
            color: var(--color-text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .section-feature {
            background: var(--color-bg);
        }

        .split-block {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 56px;
            align-items: center;
        }

        .split-media {
            position: relative;
        }

        .split-media img {
            width: 100%;
            border-radius: var(--radius-lg);
            border: 2px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .media-stamp {
            position: absolute;
            right: -12px;
            bottom: -14px;
            background: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 3px 3px 0 rgba(0, 0, 0, .12);
            transform: rotate(-2deg);
        }

        .split-content .section-tag {
            margin-bottom: 16px;
        }

        .split-content h2 {
            font-size: clamp(26px, 3vw, 34px);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .split-content > p {
            color: var(--color-text-weak);
            font-size: 16px;
            line-height: 1.7;
            max-width: 520px;
        }

        .feature-list {
            list-style: none;
            margin-top: 26px;
            display: grid;
            gap: 14px;
        }

        .feature-list li {
            display: flex;
            gap: 14px;
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            padding: 16px 18px;
            border-radius: var(--radius-md);
            transition: border-color .25s, transform .25s;
        }

        .feature-list li:hover {
            border-color: var(--color-primary);
            transform: translateX(4px);
        }

        .feature-list li > i {
            color: var(--color-accent);
            font-size: 22px;
            margin-top: 4px;
        }

        .feature-list strong {
            display: block;
            font-size: 16px;
            margin-bottom: 4px;
        }

        .feature-list span {
            color: var(--color-text-weak);
            font-size: 14px;
            line-height: 1.6;
        }

        .section-posts {
            background: linear-gradient(rgba(246, 241, 231, .9), rgba(246, 241, 231, .96)), url('/assets/images/backpic/back-1.png') center / cover;
        }

        .post-card {
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 4px 0 rgba(183, 161, 132, .16);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: 8px 8px 0 rgba(183, 161, 132, .24);
        }

        .post-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
            border-bottom: 2px solid var(--color-border);
        }

        .post-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .post-card:hover .post-cover img {
            transform: scale(1.05);
        }

        .post-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(0, 0, 0, .15);
        }

        .post-body {
            padding: 22px 22px 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .post-body h3 {
            font-size: 18px;
            line-height: 1.45;
        }

        .post-body h3 a {
            color: inherit;
            text-decoration: none;
            transition: color .25s;
        }

        .post-body h3 a:hover {
            color: var(--color-primary);
        }

        .post-body p {
            color: var(--color-text-weak);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin: 0;
        }

        .section-stats {
            background: var(--color-primary-dark);
            padding: 36px 0;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: rgba(255, 255, 255, .04);
            border: 2px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
        }

        .stat-item {
            text-align: center;
            color: #fff;
        }

        .stat-item strong {
            display: block;
            font-size: 38px;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1.2;
        }

        .stat-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
        }

        .section-faq {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 2px 2px 0 rgba(183, 161, 132, .14);
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: 4px 4px 0 rgba(43, 93, 77, .12);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: 0;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
        }

        .faq-question i {
            color: var(--color-accent);
            font-size: 18px;
        }

        .faq-question::after {
            content: '\2b';
            margin-left: auto;
            font-weight: 400;
            font-size: 22px;
            color: var(--color-primary);
            transition: transform .3s ease;
        }

        .faq-item.open .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px 52px;
            color: var(--color-text-weak);
            line-height: 1.75;
            font-size: 15px;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: fadeUp .3s ease;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(6px);
            }
            to {
                opacity: 1;
                transform: none;
            }
        }

        .section-cta {
            padding: 60px 0 90px;
            background: var(--color-bg);
        }

        .cta-box {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            background: linear-gradient(135deg, var(--color-primary), #173f33);
            border: 2px solid var(--color-primary-dark);
            border-radius: var(--radius-lg);
            padding: 46px 52px;
            color: #fff;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            background: rgba(217, 142, 74, .14);
            border-radius: 50%;
            top: -70px;
            right: -40px;
        }

        .cta-text {
            position: relative;
            z-index: 1;
        }

        .cta-text h2 {
            font-size: 28px;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-text p {
            color: rgba(255, 255, 255, .8);
            margin: 0;
            font-size: 16px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .site-footer {
            background: #20251f;
            color: #c6cec7;
            padding: 64px 0 0;
        }

        .site-footer .container {
            padding-bottom: 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            margin-bottom: 22px;
        }

        .footer-brand .brand {
            color: #fff;
            font-size: 24px;
            margin-bottom: 14px;
        }

        .footer-brand .brand i {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 360px;
            margin: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .72);
            text-decoration: none;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .2s ease, transform .2s ease;
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
            transform: translateX(4px);
        }

        .footer-col i {
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }

        @media (max-width: 1024px) {
            :root {
                --space-section: 70px;
            }

            .grid-cards.four {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .split-block {
                gap: 38px;
            }

            .cta-box {
                padding: 38px 30px;
            }
        }

        @media (max-width: 900px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 12px;
                right: 12px;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(255, 250, 240, .98);
                backdrop-filter: blur(12px);
                border: 2px solid var(--color-border);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 14px;
                transform: translateY(-150%);
                opacity: 0;
                transition: transform .35s ease, opacity .35s ease;
                z-index: 999;
            }

            .site-header .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-link {
                padding: 12px 16px;
                text-align: center;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .search-box {
                display: none;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 58px;
                --header-height: 64px;
            }

            .grid-cards.four,
            .grid-cards.three,
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .split-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .split-media img {
                width: 100%;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .row-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .banner-actions .btn {
                width: 100%;
            }

            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }

            .cta-actions {
                justify-content: center;
                width: 100%;
            }

            .cta-actions .btn {
                flex: 1;
            }

            .page-banner {
                padding-top: calc(var(--header-height) + 56px);
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-section: 48px;
            }

            .nav-wrap {
                gap: 10px;
            }

            .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }

            .brand {
                font-size: 19px;
            }

            .brand i {
                font-size: 17px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }

            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }

            .media-stamp {
                right: 6px;
                bottom: -10px;
                font-size: 13px;
                padding: 8px 14px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px;
            }

            .faq-answer {
                padding-left: 44px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #b45b3e;
  --primary-dark: #96462e;
  --primary-light: #d98562;
  --secondary: #3d5a4c;
  --secondary-dark: #2c443a;
  --secondary-light: #6b8a7b;
  --bg: #f6f1e6;
  --bg-alt: #ede4d2;
  --bg-dark: #2b2823;
  --card-bg: #fffdf7;
  --text: #3d3830;
  --muted: #7c7365;
  --border: #dccfb8;
  --divider: #eae1d2;
  --white: #ffffff;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(46, 42, 36, .06);
  --shadow-md: 0 10px 30px rgba(46, 42, 36, .08);
  --shadow-lg: 0 20px 60px rgba(46, 42, 36, .14);
  --font-head: "Playfair Display", "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: .3s cubic-bezier(.4, 0, .2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: .5px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(180, 91, 62, .28);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(180, 91, 62, .34);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-light {
  background: var(--white);
  color: var(--text);
  border-color: var(--white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
}

.btn-light:hover {
  background: var(--bg);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

.btn:focus-visible {
  outline: 3px solid rgba(180, 91, 62, .35);
  outline-offset: 2px;
}

/* ---------- 标签 / 徽章 ---------- */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  background: rgba(180, 91, 62, .1);
  color: var(--primary);
  border: 1px solid rgba(180, 91, 62, .2);
}

.tag-secondary {
  background: rgba(61, 90, 76, .1);
  color: var(--secondary);
  border-color: rgba(61, 90, 76, .2);
}

.tag-light {
  background: rgba(255, 255, 255, .15);
  color: var(--white);
  border-color: rgba(255, 255, 255, .25);
}

.badge-stamp {
  display: inline-block;
  padding: 4px 16px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  transform: rotate(-2deg);
  background: transparent;
  white-space: nowrap;
}

/* ---------- 页面顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(255, 253, 247, .68);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 207, 184, .5);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4) inset;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 253, 247, .94);
  box-shadow: var(--shadow-md);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 1px;
  flex-shrink: 0;
}

.brand i {
  color: var(--primary);
  font-size: 24px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(180, 91, 62, .06);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(180, 91, 62, .1);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 180px;
  height: 38px;
  padding: 0 14px 0 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .6);
  font-size: 13px;
  color: var(--text);
  transition: all var(--transition);
}

.search-box input::placeholder {
  color: var(--muted);
}

.search-box input:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(180, 91, 62, .1);
  width: 220px;
}

.search-box i {
  position: absolute;
  left: 14px;
  font-size: 14px;
  color: var(--muted);
  pointer-events: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--secondary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.nav-toggle:hover {
  background: var(--bg-alt);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 180px 0 120px;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  background-image: linear-gradient(rgba(43, 40, 35, .62), rgba(43, 40, 35, .72)), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(180, 91, 62, .18), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: #f2e9d8;
  letter-spacing: .5px;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}

.hero h1 {
  font-family: var(--font-head);
  font-size: 54px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--white);
}

.hero h1 span {
  color: #e8b4a0;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
  max-width: 640px;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-note {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
}

.hero-note i {
  color: #e8b4a0;
}

/* ---------- 通用 section ---------- */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-dark {
  background: var(--bg-dark);
  color: var(--white);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-head);
  font-size: 34px;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: .5px;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}

.section-head.is-dark .section-title {
  color: var(--white);
}

.section-head.is-dark .section-desc {
  color: rgba(255, 255, 255, .7);
}

/* ---------- 服务概览图文 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.intro-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(43, 40, 35, .25), transparent 60%);
}

.intro-media .badge-stamp {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  background: rgba(255, 253, 247, .85);
}

.intro-copy {
  padding: 10px 0;
}

.intro-copy .section-tag {
  margin-bottom: 8px;
}

.intro-copy h2 {
  font-family: var(--font-head);
  font-size: 32px;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 18px;
  font-weight: 700;
}

.intro-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.intro-list {
  margin-bottom: 24px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 1.7;
}

.intro-list li i {
  color: var(--primary);
  font-size: 17px;
  margin-top: 3px;
  flex-shrink: 0;
}

.intro-list li strong {
  color: var(--secondary);
  font-weight: 600;
}

/* ---------- 服务卡片网格 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 18px;
  right: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  opacity: .35;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(180, 91, 62, .3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(180, 91, 62, .12), rgba(180, 91, 62, .05));
  border: 1px solid rgba(180, 91, 62, .18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.05);
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tags span {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(61, 90, 76, .08);
  color: var(--secondary);
  font-weight: 500;
}

/* ---------- 流程 ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px);
}

.process-step {
  text-align: center;
  position: relative;
  padding: 0 8px;
}

.step-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  box-shadow: 0 0 0 8px rgba(180, 91, 62, .06);
  position: relative;
  z-index: 1;
  transition: all var(--transition);
}

.process-step:hover .step-num {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.06);
}

.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 数据统计 ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stats-inner {
  padding: 60px 0;
}

.stat-item {
  text-align: center;
  padding: 28px 12px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  transition: all var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, .08);
  transform: translateY(-3px);
}

.stat-item .number {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 700;
  color: #e8b4a0;
  line-height: 1.2;
  display: block;
  margin-bottom: 6px;
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  letter-spacing: .5px;
}

/* ---------- 用户评价 ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.testimonial-card::before {
  content: '“';
  font-family: var(--font-head);
  font-size: 64px;
  color: var(--primary);
  position: absolute;
  top: 8px;
  left: 22px;
  opacity: .25;
  line-height: 1;
}

.testimonial-card .quote {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
  margin: 12px 0 20px;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--divider);
  padding-top: 16px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-head);
}

.author-info .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.author-info .role {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  border-color: rgba(180, 91, 62, .25);
  box-shadow: var(--shadow-md);
}

.faq-item.open {
  border-color: rgba(180, 91, 62, .35);
}

.faq-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
}

.faq-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(180, 91, 62, .1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-size: 14px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}

.faq-body {
  display: none;
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  border-top: 1px solid var(--divider);
  padding-top: 16px;
}

.faq-item.open .faq-body {
  display: block;
}

/* ---------- CTA ---------- */
.cta-box {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  color: var(--white);
  text-align: center;
}

.cta-box::before {
  content: '✦';
  position: absolute;
  font-size: 14px;
  color: rgba(255, 255, 255, .15);
  top: 30px;
  left: 42px;
}

.cta-box::after {
  content: '✦';
  position: absolute;
  font-size: 18px;
  color: rgba(255, 255, 255, .18);
  right: 50px;
  bottom: 30px;
}

.cta-box h2 {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-box p {
  color: rgba(255, 255, 255, .8);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, .72);
  padding: 70px 0 0;
  border-top: 4px solid var(--primary);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .brand {
  color: var(--white);
  font-size: 24px;
  margin-bottom: 14px;
}

.footer-brand .brand i {
  color: #e8b4a0;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  max-width: 360px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: .5px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a i {
  font-size: 12px;
  color: #e8b4a0;
  transition: transform var(--transition);
}

.footer-col ul li a:hover {
  color: var(--white);
}

.footer-col ul li a:hover i {
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .42);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .hero {
    padding: 160px 0 100px;
    min-height: 560px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .process-steps {
    gap: 24px;
  }

  .stats-grid {
    gap: 24px;
  }

  .testimonials-grid {
    gap: 22px;
  }
}

@media (max-width: 768px) {
  .nav-wrap {
    height: 64px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    align-items: stretch;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 10px;
  }

  .search-box {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding: 140px 0 80px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .intro-media img {
    height: 280px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .process-steps::before {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-box {
    padding: 44px 24px;
  }

  .cta-box h2 {
    font-size: 26px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .brand {
    font-size: 18px;
  }

  .brand i {
    font-size: 20px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-btns .btn {
    width: 100%;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .step-num {
    width: 60px;
    height: 60px;
    font-size: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .stat-item .number {
    font-size: 34px;
  }

  .section-title {
    font-size: 24px;
  }

  .cta-btns .btn {
    width: 100%;
  }

  .intro-list li {
    font-size: 14px;
  }
}