/* roulang page: index */
:root{
  --brand:#E4572E;
  --brand-dark:#B83B1B;
  --brand-soft:#FBE4DC;
  --green:#1F5B4E;
  --deep:#14342E;
  --yellow:#F2C14E;
  --yellow-soft:#FBF0D2;
  --bg:#F7F2E8;
  --card:#FFFDF8;
  --light:#EFE7D8;
  --ink:#1C2522;
  --muted:#5E6B66;
  --line:#D9D0C2;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-btn:10px;
  --shadow-sm:0 2px 8px rgba(20,52,46,.06);
  --shadow-md:0 8px 24px rgba(20,52,46,.08);
  --shadow-lg:0 16px 40px rgba(20,52,46,.12);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn) !important;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl{margin:0;}
ul,ol{list-style:none;padding:0;margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{font-family:var(--font-cn);color:var(--deep);letter-spacing:.015em;font-weight:700;}
p{letter-spacing:0;}
::selection{background:var(--yellow);color:var(--deep);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--yellow);outline-offset:2px;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--light{background:var(--light);}
.section--paper{background:var(--card);}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand);color:#FFFDF8;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-dark);color:#FFFDF8;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--deep);}
.btn-ghost:hover{background:var(--light);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.4;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark);}
.badge-soft{background:var(--light);color:var(--green);}
.badge-yellow{background:var(--yellow-soft);color:var(--deep);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.section-title{font-size:34px;line-height:1.25;margin-top:16px;}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8;max-width:640px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-arrow i{font-size:12px;transition:transform .22s ease;}
.link-arrow:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,253,248,.97);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);color:#FFFDF8;
  display:grid;place-items:center;font-size:16px;box-shadow:var(--shadow-sm);
  transition:background-color .22s ease,transform .22s ease;
}
.brand:hover .brand-mark{background:var(--brand-dark);transform:translateY(-1px);}
.brand-text{font-size:18px;font-weight:700;color:var(--deep);letter-spacing:.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);font-weight:700;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);line-height:1.4;
  transition:background-color .22s ease,color .22s ease;
}
.nav-link:hover{background:var(--light);color:var(--deep);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  display:none;width:46px;height:46px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--card);color:var(--deep);font-size:18px;cursor:pointer;
  place-items:center;transition:background-color .22s ease,border-color .22s ease;
}
.nav-toggle:hover{background:var(--light);border-color:var(--brand);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--card);padding:14px 24px 22px;}
.mobile-drawer.is-open{display:block;}
.m-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--ink);
}
.m-link:hover{color:var(--brand);}
.m-link.is-active{color:var(--brand-dark);font-weight:600;}
.m-drawer-cta{margin-top:18px;}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 80px;
  background:linear-gradient(180deg,#FDF8EE 0%,var(--bg) 100%);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.hero-title{
  font-size:50px;line-height:1.18;margin-top:20px;letter-spacing:.015em;
}
.hero-title span{color:var(--brand);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:540px;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-points{display:flex;gap:24px;margin-top:36px;flex-wrap:wrap;}
.hero-point{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--green);font-weight:500;}
.hero-point i{color:var(--brand);font-size:13px;}
.hero-media{
  position:relative;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  min-height:440px;background:var(--light);
}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:440px;}
.hero-float{
  position:absolute;left:20px;bottom:20px;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,253,248,.96);border-radius:var(--radius-md);
  padding:12px 18px;box-shadow:var(--shadow-md);
}
.hero-float i{color:var(--brand);font-size:18px;}
.hero-float strong{display:block;font-size:15px;color:var(--deep);line-height:1.4;}
.hero-float small{display:block;font-size:13px;color:var(--muted);line-height:1.5;}

/* ---------- 服务 ---------- */
.services-grid{display:grid;grid-template-columns:0.85fr 1.5fr;gap:48px;align-items:start;}
.service-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.service-card:nth-child(2){padding-top:34px;}
.service-card:nth-child(3){padding-top:34px;}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#F0B7A4;}
.service-icon{
  width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:var(--yellow-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.service-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.service-card p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:18px;}
.service-card .link-arrow{margin-top:auto;}

/* ---------- 数据 ---------- */
.stats{background:var(--deep);padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-num{font-size:38px;font-weight:700;color:var(--yellow);line-height:1.2;letter-spacing:.02em;}
.stat-label{margin-top:10px;font-size:15px;color:rgba(247,242,232,.82);line-height:1.6;}
.stat-item{border-right:1px solid rgba(247,242,232,.14);}
.stat-item:last-child{border-right:0;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch;}
.case-col{display:grid;gap:24px;grid-auto-rows:1fr;}
.case-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#F0B7A4;}
.case-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--light);}
.case-card.is-large .case-media{aspect-ratio:16/10;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .36s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-media .badge{position:absolute;left:16px;top:16px;background:rgba(255,253,248,.95);color:var(--brand-dark);}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.case-body h3{font-size:21px;line-height:1.4;margin-bottom:10px;}
.case-body p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:18px;}
.case-body .link-arrow{margin-top:auto;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:32px;align-items:start;}
.news-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#F0B7A4;}
.news-lead-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--light);}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .36s ease;}
.news-lead:hover .news-lead-media img{transform:scale(1.03);}
.news-lead-media .badge{position:absolute;left:16px;top:16px;background:rgba(255,253,248,.96);color:var(--brand-dark);}
.news-lead-body{padding:26px 24px 24px;}
.news-lead-body h3{font-size:22px;line-height:1.45;margin-bottom:12px;}
.news-lead-body h3 a{color:var(--deep);}
.news-lead-body h3 a:hover{color:var(--brand);}
.news-lead-body p{font-size:15px;line-height:1.85;color:var(--muted);}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;flex-wrap:wrap;}
.news-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.news-list{display:flex;flex-direction:column;}
.news-list li{padding:18px 2px;border-bottom:1px dashed var(--line);}
.news-list li:first-child{padding-top:6px;}
.news-list li:last-child{border-bottom:0;}
.news-list h3{font-size:17px;line-height:1.55;margin:10px 0 8px;font-weight:600;}
.news-list h3 a{color:var(--deep);}
.news-list h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.news-list p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-list .news-time{margin-top:10px;}
.news-more{margin-top:40px;text-align:center;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--card);padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--muted);margin-bottom:14px;display:block;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ---------- 方案步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:12px;}
.steps::before{
  content:"";position:absolute;top:27px;left:8%;right:8%;height:2px;
  background:var(--line);z-index:0;
}
.step{position:relative;z-index:1;}
.step-num{
  width:54px;height:54px;border-radius:50%;
  background:var(--card);border:2px solid var(--brand);color:var(--brand);
  display:grid;place-items:center;font-size:18px;font-weight:700;
  box-shadow:var(--shadow-sm);margin-bottom:20px;
  transition:background-color .24s ease,color .24s ease,transform .24s ease;
}
.step:hover .step-num{background:var(--brand);color:#FFFDF8;transform:translateY(-2px);}
.step h3{font-size:19px;line-height:1.4;margin-bottom:8px;}
.step p{font-size:15px;line-height:1.8;color:var(--muted);}
.steps-cta{margin-top:48px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:0.82fr 1.5fr;gap:56px;align-items:start;}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.85;}
.faq-aside .btn{margin-top:26px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:17px;font-weight:600;color:var(--deep);
  transition:color .22s ease,background-color .22s ease;border-radius:10px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);background:var(--card);color:var(--brand);
  display:grid;place-items:center;font-size:12px;
  transition:transform .24s ease,background-color .24s ease,color .24s ease,border-color .24s ease;
}
.faq-item[open] .faq-icon{background:var(--brand);color:#FFFDF8;border-color:var(--brand);transform:rotate(180deg);}
.faq-answer{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:48px;align-items:start;}
.contact-info p{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.85;}
.contact-list{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;}
.contact-list i{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--yellow-soft);color:var(--brand-dark);font-size:15px;border:1px solid var(--line);
}
.contact-list strong{display:block;font-size:15px;color:var(--deep);line-height:1.5;}
.contact-list span{font-size:14px;color:var(--muted);line-height:1.7;}
.contact-tags{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 30px;box-shadow:var(--shadow-lg);
}
.contact-card h3{font-size:21px;margin-bottom:8px;}
.contact-card .form-note{font-size:14px;color:var(--muted);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--deep);margin-bottom:8px;}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--card);color:var(--ink);
  font-size:15px;font-family:inherit;line-height:1.5;
  box-shadow:none;margin:0;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.form-field select{appearance:none;-webkit-appearance:none;background-image:none;padding-right:14px;}
.form-field textarea{height:128px;padding:12px 14px;resize:vertical;}
.form-field input::placeholder,
.form-field textarea::placeholder{color:#9AA49F;}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,87,46,.16);
}
.form-tip{margin-top:16px;font-size:14px;color:var(--green);}
.form-tip[hidden]{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#E9E3D6;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand .brand-text{color:#FFFDF8;}
.footer-brand .brand-text em{color:var(--yellow);}
.footer-brand .brand-mark{background:var(--brand);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(233,227,214,.72);max-width:300px;}
.footer-col h4{font-size:15px;color:#FFFDF8;margin-bottom:16px;font-weight:600;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(233,227,214,.75);}
.footer-col a:hover{color:var(--yellow);text-decoration:underline;text-underline-offset:4px;}
.footer-col li span{font-size:14px;color:rgba(233,227,214,.7);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(233,227,214,.16);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p,.footer-bottom span{font-size:13px;color:rgba(233,227,214,.6);line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-title{font-size:44px;}
  .section{padding:76px 0;}
}
@media (max-width:1023px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:grid;}
  .header-inner{height:64px;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:38px;}
  .hero-media,.hero-media img{min-height:0;aspect-ratio:16/10;}
  .services-grid{grid-template-columns:1fr;gap:32px;}
  .service-cards{grid-template-columns:1fr;}
  .service-card:nth-child(2),.service-card:nth-child(3){padding-top:26px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 16px;}
  .stat-item{border-right:0;}
  .stat-num{font-size:32px;}
  .case-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .steps::before{display:none;}
  .step{display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:start;}
  .step-num{margin-bottom:0;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
  .section-title{font-size:27px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero-title{font-size:31px;line-height:1.28;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .contact-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .stats{padding:44px 0;}
  .stat-num{font-size:28px;}
  .case-body,.news-lead-body{padding:20px;}
  .news-lead-body h3{font-size:19px;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#E4572E;
  --primary-dark:#B83B1B;
  --primary-soft:rgba(228,87,46,.10);
  --green:#1F5B4E;
  --deep:#14342E;
  --yellow:#F2C14E;
  --yellow-soft:rgba(242,193,78,.22);
  --bg:#F7F2E8;
  --card:#FFFDF8;
  --soft:#EFE7D8;
  --ink:#1C2522;
  --muted:#5E6B66;
  --line:#D9D0C2;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-sm:0 2px 8px rgba(20,52,46,.06);
  --sh-md:0 8px 24px rgba(20,52,46,.08);
  --sh-lg:0 16px 40px rgba(20,52,46,.12);
  --nav-h:72px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-cn);
  color:var(--ink);
  font-weight:700;
  letter-spacing:.015em;
  margin:0;
  line-height:1.25;
}
p{margin:0 0 1em;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;border-radius:4px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,253,248,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(20,52,46,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
  white-space:nowrap;
}
.brand:hover{color:var(--primary-dark);text-decoration:none;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,#E4572E,#B83B1B);
  color:#FFFDF8;
  font-size:15px;
  box-shadow:0 4px 12px rgba(228,87,46,.26);
  flex:0 0 auto;
}
.brand-text em{font-style:normal;color:var(--primary);}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--green);
  text-decoration:none;
  transition:background-color .22s ease,color .22s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none;}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--green);
  transition:background-color .2s ease;
}
.nav-toggle:hover span{background:var(--primary);}
.mobile-drawer{
  display:none;
  flex-direction:column;
  gap:8px;
  padding:16px 24px 22px;
  background:var(--card);
  border-top:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.mobile-drawer.is-open{display:flex;}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:10px;
  font-weight:600;
  color:var(--green);
  text-decoration:none;
}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none;}
.drawer-cta{width:100%;margin-top:6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1.5px solid transparent;
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:var(--primary);
  color:#FFFDF8;
  box-shadow:0 6px 16px rgba(228,87,46,.24);
}
.btn-primary:hover{background:var(--primary-dark);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 10px 22px rgba(228,87,46,.3);text-decoration:none;}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,46,.24);}
.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary-dark);
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);text-decoration:none;}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-light{background:var(--yellow);color:var(--deep);box-shadow:0 6px 16px rgba(0,0,0,.14);}
.btn-light:hover{background:#E9B441;color:var(--deep);transform:translateY(-1px);text-decoration:none;}
.btn-outline-light{background:transparent;border-color:rgba(247,242,232,.45);color:#F7F2E8;}
.btn-outline-light:hover{background:rgba(247,242,232,.12);border-color:#F7F2E8;color:#FFFDF8;transform:translateY(-1px);text-decoration:none;}

/* ---------- breadcrumbs ---------- */
.crumbs-bar{background:var(--soft);border-bottom:1px solid var(--line);}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px 0;
  font-size:13px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);text-decoration:none;}
.crumbs a:hover{color:var(--primary);text-decoration:underline;}
.crumbs .sep{color:#B9AE9C;}
.crumbs .current{
  color:var(--ink);
  font-weight:600;
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- article head ---------- */
.article-head{padding:46px 0 34px;}
.head-inner{max-width:900px;}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 13px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
}
.article-title{
  font-size:46px;
  line-height:1.18;
  letter-spacing:.01em;
  margin:16px 0 18px;
  word-break:break-word;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{color:var(--primary);font-size:13px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- article layout ---------- */
.article-main{padding:6px 0 84px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:40px;
  min-width:0;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:28px;
  line-height:1.3;
  margin:44px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--primary);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:22px;
  line-height:1.35;
  margin:32px 0 12px;
  color:var(--green);
  scroll-margin-top:96px;
}
.article-body h4{font-size:18px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:10px;}
.article-body li::marker{color:var(--primary);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body img{border-radius:var(--r-md);margin:24px 0;width:100%;height:auto;}
.article-body blockquote{
  margin:28px 0;
  padding:18px 22px;
  background:var(--soft);
  border-left:4px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--green);
  font-size:16px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--soft);font-weight:600;color:var(--green);}
.article-body code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:var(--soft);
}
.empty-state i{font-size:28px;color:var(--primary);}
.empty-state h2{font-size:24px;margin:14px 0 10px;}
.empty-state p{color:var(--muted);max-width:44ch;margin:0 auto 20px;font-size:15px;}

/* ---------- side rail ---------- */
.side{
  display:flex;
  flex-direction:column;
  gap:20px;
  position:sticky;
  top:96px;
  min-width:0;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  box-shadow:var(--sh-sm);
}
.side-card h3{font-size:16px;color:var(--green);margin-bottom:12px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin-bottom:10px;}
.toc-list li:last-child{margin-bottom:0;}
.toc-list a{
  display:block;
  padding-left:10px;
  border-left:2px solid var(--line);
  color:var(--muted);
  line-height:1.5;
  text-decoration:none;
  transition:color .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--primary);border-color:var(--primary);text-decoration:none;}
.side-links{list-style:none;margin:0;padding:0;font-size:15px;}
.side-links li + li{margin-top:8px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--r-sm);
  background:var(--soft);
  color:var(--green);
  font-weight:600;
  text-decoration:none;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.side-links a:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateX(2px);text-decoration:none;}
.side-links a i{font-size:12px;opacity:.7;}
.side-card--cta{background:var(--deep);border-color:var(--deep);color:#F7F2E8;}
.side-card--cta h3{color:#FFFDF8;}
.side-card--cta p{font-size:14px;line-height:1.75;color:rgba(247,242,232,.78);margin-bottom:16px;}
.side-card--cta .btn{width:100%;}

/* ---------- tag row ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:38px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:14px;color:var(--muted);margin-right:2px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:var(--soft);
  color:var(--green);
  font-size:13px;
  font-weight:600;
  text-decoration:none;
  transition:background-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none;}
.back-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- related ---------- */
.related{
  padding:66px 0 74px;
  background:var(--soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:640px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--yellow-soft);
  color:var(--green);
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}
.section-head h2{font-size:32px;line-height:1.25;}
.section-head p{margin:12px 0 0;color:var(--muted);font-size:16px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(228,87,46,.45);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:20px;line-height:1.4;margin:10px 0 8px;}
.post-body h3 a{color:var(--ink);text-decoration:none;}
.post-body h3 a:hover{color:var(--primary);text-decoration:none;}
.post-desc{
  font-size:15px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--muted);}
.post-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  font-weight:600;
  font-size:15px;
  color:var(--primary);
  text-decoration:none;
}
.post-link:hover{color:var(--primary-dark);text-decoration:none;}
.post-link i{font-size:12px;transition:transform .2s ease;}
.post-link:hover i{transform:translateX(3px);}

/* ---------- cta band ---------- */
.cta-band{padding:74px 0;}
.cta-inner{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:32px;
  align-items:center;
  padding:48px;
  border-radius:20px;
  background:var(--deep);
  color:#F7F2E8;
  box-shadow:var(--sh-lg);
}
.cta-inner h2{color:#FFFDF8;font-size:32px;line-height:1.28;}
.cta-inner p{margin:12px 0 0;font-size:16px;line-height:1.85;color:rgba(247,242,232,.8);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(247,242,232,.86);
  padding:64px 0 24px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.brand--footer{color:#FFFDF8;font-size:18px;}
.brand--footer:hover{color:#FFFDF8;}
.brand--footer .brand-text em{color:var(--yellow);}
.footer-desc{
  margin:14px 0 0;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,242,232,.7);
  max-width:34ch;
}
.footer-col h4{font-size:15px;color:#FFFDF8;margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;font-size:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(247,242,232,.76);text-decoration:none;}
.footer-col a:hover{color:var(--yellow);text-decoration:none;}
.footer-col span{color:rgba(247,242,232,.7);font-size:14px;line-height:1.7;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(247,242,232,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(247,242,232,.6);
}
.footer-bottom p{margin:0;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .side{position:static;top:auto;}
  .article-title{font-size:34px;}
  .article-card{padding:30px;}
  .article-body{font-size:16.5px;}
  .cta-inner{grid-template-columns:1fr;padding:38px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-head{padding:32px 0 24px;}
  .article-title{font-size:30px;margin:14px 0 14px;}
  .article-main{padding-bottom:56px;}
  .article-card{padding:22px;border-radius:14px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:24px;margin:34px 0 14px;}
  .article-body h3{font-size:19px;margin:26px 0 10px;}
  .related{padding:52px 0 58px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:25px;}
  .cta-band{padding:56px 0;}
  .cta-inner{padding:30px 22px;border-radius:16px;}
  .cta-inner h2{font-size:24px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .site-footer{padding:48px 0 20px;}
  .crumbs .current{max-width:34ch;}
}
@media (max-width:520px){
  .article-title{font-size:28px;line-height:1.25;}
  .meta-row{gap:10px;font-size:13px;}
  .meta-row .dot{display:none;}
  .article-card{padding:18px;}
  .btn{height:48px;}
  .tag{font-size:12px;padding:0 12px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#E4572E;
  --brand-dark:#B83B1B;
  --brand-soft:#FBEAE3;
  --green:#1F5B4E;
  --green-deep:#14342E;
  --gold:#F2C14E;
  --gold-soft:#FDF3DC;
  --bg:#F7F2E8;
  --card:#FFFDF8;
  --surface:#EFE7D8;
  --ink:#1C2522;
  --muted:#5E6B66;
  --line:#D9D0C2;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(20,52,46,.06);
  --shadow-md:0 8px 24px rgba(20,52,46,.08);
  --shadow-lg:0 16px 40px rgba(20,52,46,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:inherit;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.015em;
  line-height:1.25;
}
h1{font-size:46px;line-height:1.18}
h2{font-size:34px;line-height:1.25}
h3{font-size:22px;line-height:1.35;font-weight:600}
h4{font-size:16px;line-height:1.4;font-weight:600}
p{margin:0 0 1.1em;font-size:16px;line-height:1.85}
p:last-child{margin-bottom:0}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand);text-decoration:underline}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto;border:0}
button{font-family:inherit;font-size:inherit;line-height:1;border:0;background:none;cursor:pointer}
figure{margin:0}
::selection{background:rgba(228,87,46,.18)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--green-deep);color:#FFFDF8;padding:12px 20px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#FFFDF8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:600;line-height:1;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--brand);color:#FFFDF8;box-shadow:0 8px 20px rgba(228,87,46,.24)}
.btn--primary:hover{background:var(--brand-dark);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 12px 26px rgba(184,59,27,.3)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn--ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.btn--outline-light{background:transparent;border-color:rgba(255,253,248,.7);color:#FFFDF8}
.btn--outline-light:hover{background:rgba(255,253,248,.14);color:#FFFDF8;transform:translateY(-1px)}
.btn--dark{background:var(--green);color:#FFFDF8}
.btn--dark:hover{background:var(--green-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 12px 26px rgba(20,52,46,.24)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn--lg{height:50px;padding:0 28px}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.5;transform:none;cursor:not-allowed}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;line-height:1.4;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag--light{background:rgba(255,253,248,.16);color:#FFFDF8;border:1px solid rgba(255,253,248,.34)}
.tag--gold{background:var(--gold-soft);color:#6B5312}
.tag--green{background:rgba(31,91,78,.1);color:var(--green)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FFFDF8;
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  display:grid;place-items:center;
  background:var(--brand);color:#FFFDF8;font-size:17px;
  box-shadow:0 6px 14px rgba(228,87,46,.28);
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 15px;border-radius:999px;
  font-size:15px;font-weight:500;line-height:1.4;color:var(--ink);
  text-decoration:none;transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--surface);color:var(--brand-dark);text-decoration:none}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--surface);color:var(--green-deep);font-size:18px;
  transition:background-color .2s ease,color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark)}
.drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:75;
  background:#FFFDF8;border-top:1px solid var(--line);
  padding:18px 16px 28px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;margin-bottom:10px;
  border:1px solid var(--line);border-radius:12px;background:#FFFDF8;
  color:var(--ink);font-size:16px;font-weight:600;text-decoration:none;
}
.drawer-link:hover{border-color:var(--brand);color:var(--brand-dark);text-decoration:none}
.drawer-link.is-active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark)}
.drawer-actions{margin-top:16px;display:grid;gap:10px}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:36px 0 58px;
  min-height:300px;
  display:flex;align-items:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,52,46,.95) 0%,rgba(20,52,46,.82) 48%,rgba(20,52,46,.6) 100%);
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;line-height:1.6;color:rgba(255,253,248,.68);
  margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,253,248,.82);text-decoration:none}
.breadcrumb a:hover{color:var(--gold);text-decoration:none}
.breadcrumb .sep{color:rgba(255,253,248,.4)}
.breadcrumb .current{color:#FFFDF8;font-weight:600}
.banner-tag{margin-bottom:16px;display:inline-flex}
.page-banner h1{color:#FFFDF8;max-width:16em}
.banner-sub{
  margin-top:16px;max-width:44em;
  font-size:17px;line-height:1.8;color:rgba(255,253,248,.86);
}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--surface{background:var(--surface)}
.section--tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ---------- 主体两栏 ---------- */
.cat-wrap{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:32px;align-items:start}
.cat-main{min-width:0}
.intro-block h2{margin-bottom:16px}
.intro-block p{color:#2B3733;line-height:1.9}
.media-figure{
  margin:26px 0 8px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);
}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.media-figure:hover img{transform:scale(1.03)}
.media-figure figcaption{
  padding:12px 18px 14px;font-size:13px;line-height:1.7;color:var(--muted);
  background:var(--card);border-top:1px solid var(--line);
}
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#E9B9A6}
.point-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:17px;margin-bottom:16px;
}
.point-card h3{font-size:18px;margin-bottom:10px}
.point-card p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 侧栏 ---------- */
.cat-side{display:grid;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--ink)}
.side-list{display:grid;gap:10px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:10px;border:1px solid var(--line);
  background:#FFF;color:var(--ink);font-size:14px;font-weight:500;text-decoration:none;
  transition:border-color .2s ease,background-color .2s ease,color .2s ease;
}
.side-list a:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.side-list a i{font-size:12px;color:var(--brand)}
.side-cta{
  background:linear-gradient(155deg,var(--green) 0%,var(--green-deep) 100%);
  border:1px solid rgba(255,255,255,.14);color:#FFFDF8;
}
.side-cta h3{color:#FFFDF8}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,253,248,.82);margin-bottom:18px}
.side-info{display:grid;gap:12px}
.side-info li{
  display:grid;gap:2px;padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.side-info li:last-child{border-bottom:0;padding-bottom:0}
.side-info strong{font-size:14px;color:var(--ink);font-weight:600}
.side-info span{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 编号清单 ---------- */
.step-rows{display:grid;gap:14px}
.step-row{
  display:grid;grid-template-columns:60px minmax(0,1fr);gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#E9B9A6}
.step-num{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--gold-soft);color:#6B5312;font-size:16px;font-weight:700;letter-spacing:.02em;
}
.step-row h3{font-size:18px;margin-bottom:6px}
.step-row p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:background-color .2s ease}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  cursor:pointer;list-style:none;transition:color .2s ease,padding .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-item summary::after{
  content:"+";flex:0 0 28px;width:28px;height:28px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand-dark);font-size:17px;font-weight:600;line-height:1;
  transition:background-color .2s ease,transform .2s ease;
}
.faq-item[open] summary{color:var(--brand-dark);padding-left:14px;padding-right:14px}
.faq-item[open] summary::after{content:"−";background:var(--gold-soft);border-color:#EBD79C}
.faq-answer{padding:0 14px 20px;font-size:16px;line-height:1.85;color:var(--muted)}
.faq-item[open]{background:#FDF8EE;border-radius:12px;border-bottom-color:transparent}

/* ---------- CTA 长条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--green-deep);color:#FFFDF8;
  border-radius:18px;padding:44px 44px;
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,193,78,.22),rgba(242,193,78,0) 70%);
}
.cta-band h2{color:#FFFDF8;font-size:30px;margin-bottom:10px}
.cta-band p{color:rgba(255,253,248,.82);font-size:16px;margin:0;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:#EFE7D8;padding:64px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.brand--footer{color:#FFFDF8}
.brand--footer .brand-text{color:#FFFDF8;font-size:17px}
.brand--footer .brand-text em{color:var(--gold)}
.brand--footer .brand-mark{background:var(--brand);box-shadow:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#A9B7B0;max-width:34ch}
.footer-col h4{color:#FFFDF8;font-size:16px;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#C9D3CD;font-size:14px;text-decoration:none;transition:color .2s ease}
.footer-col a:hover{color:var(--gold);text-decoration:none}
.footer-col span{color:#A9B7B0;font-size:14px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:42px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8FA098;
}
.footer-bottom p{margin:0;font-size:13px;color:#8FA098}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-wrap{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
}
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  .header-inner{height:64px;gap:14px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .cat-wrap{grid-template-columns:1fr}
  .cat-side{position:static}
  .section{padding:64px 0}
  .page-banner{min-height:260px;padding:28px 0 48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
}
@media (max-width:767px){
  .point-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:48px minmax(0,1fr);gap:16px;padding:18px}
  .step-num{width:42px;height:42px;border-radius:12px;font-size:15px}
}
@media (max-width:639px){
  body{font-size:16px}
  h1{font-size:30px;line-height:1.24}
  h2{font-size:25px}
  h3{font-size:19px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .page-banner{padding:24px 0 40px;min-height:auto}
  .banner-sub{font-size:16px}
  .banner-actions .btn{width:100%}
  .breadcrumb{font-size:12px;margin-bottom:20px}
  .brand-text{font-size:16px}
  .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:15px;border-radius:10px}
  .point-card{padding:20px}
  .side-card{padding:20px}
  .faq-item summary{font-size:16px;padding:18px 2px}
  .cta-band{padding:30px 22px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#E4572E;
  --brand-dark:#B83B1B;
  --brand-soft:rgba(228,87,46,.12);
  --green:#1F5B4E;
  --deep:#14342E;
  --yellow:#F2C14E;
  --yellow-soft:rgba(242,193,78,.22);
  --bg:#F7F2E8;
  --card:#FFFDF8;
  --soft:#EFE7D8;
  --ink:#1C2522;
  --muted:#5E6B66;
  --line:#D9D0C2;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-sm:0 2px 8px rgba(20,52,46,.06);
  --sh-md:0 8px 24px rgba(20,52,46,.08);
  --sh-lg:0 16px 40px rgba(20,52,46,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg));
  background-color:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .24s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--soft{background:var(--soft)}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:.015em;margin-top:10px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16px}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--green);
  background:var(--yellow-soft);
  padding:5px 14px;
  border-radius:999px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  text-decoration:none;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);text-decoration:none}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand);
  color:#FFFDF8;
  font-size:17px;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease, background .24s ease;
}
.brand:hover .brand-mark{background:var(--brand-dark);transform:translateY(-1px)}
.brand-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  line-height:1.4;
  color:var(--ink);
  text-decoration:none;
  transition:background .24s ease,color .24s ease;
}
.nav-link:hover{background:var(--soft);color:var(--brand-dark);text-decoration:none}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  margin-left:auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--card);padding:14px 24px 22px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-link{
  display:block;
  padding:13px 12px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  border-radius:8px;
  text-decoration:none;
}
.mobile-drawer .drawer-link.is-active{color:var(--brand-dark);font-weight:600;background:var(--brand-soft)}
.mobile-drawer .btn{margin-top:16px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .24s ease,background .24s ease,box-shadow .24s ease,color .24s ease,border-color .24s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#FFFDF8;box-shadow:0 6px 16px rgba(228,87,46,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#FFFDF8;box-shadow:0 10px 22px rgba(184,59,27,.28)}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-light{background:#FFFDF8;color:var(--deep);border-color:#FFFDF8}
.btn-light:hover{background:var(--yellow);color:var(--deep);border-color:var(--yellow)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-dark)}
.link-more i{transition:transform .24s ease}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 顶部横幅 ---------- */
.page-hero{
  position:relative;
  isolation:isolate;
  display:flex;
  align-items:center;
  min-height:292px;
  padding:56px 0 52px;
  color:#FFFDF8;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(120deg,rgba(20,52,46,.94) 0%,rgba(31,91,78,.82) 58%,rgba(20,52,46,.7) 100%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.6;margin-bottom:18px}
.breadcrumb a{color:rgba(255,253,248,.82);text-decoration:none}
.breadcrumb a:hover{color:var(--yellow);text-decoration:underline}
.breadcrumb .sep{color:rgba(255,253,248,.45)}
.breadcrumb .current{color:#FFFDF8;font-weight:600}
.page-hero h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:.015em;
  max-width:820px;
}
.page-hero .lede{
  margin-top:16px;
  max-width:700px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,253,248,.88);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  font-size:13px;
  padding:5px 14px;
  border-radius:999px;
  color:#FFFDF8;
  background:rgba(255,253,248,.14);
  border:1px solid rgba(255,253,248,.28);
}

/* ---------- 双栏图文 ---------- */
.split{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--line);background:var(--soft)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:.015em;margin-top:10px}
.split-body p{margin-top:14px;color:var(--muted);line-height:1.85}
.split-body p strong{color:var(--ink);font-weight:600}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-cloud li{
  font-size:13px;
  line-height:1.6;
  padding:6px 14px;
  border-radius:999px;
  color:var(--green);
  background:var(--yellow-soft);
  border:1px solid rgba(242,193,78,.5);
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 14px;
  box-shadow:var(--sh-sm);
  text-align:center;
}
.stat b{display:block;font-size:22px;line-height:1.3;color:var(--brand-dark);font-weight:700}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- 步骤条 ---------- */
.steps{display:grid;gap:0;margin-top:8px}
.step{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding-bottom:30px;
  position:relative;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";
  position:absolute;
  left:27px;
  top:56px;
  bottom:6px;
  width:2px;
  background:var(--line);
}
.step:last-child::before{display:none}
.step-num{
  width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:999px;
  background:var(--card);
  border:1.5px solid var(--brand);
  color:var(--brand-dark);
  font-size:19px;
  font-weight:700;
  box-shadow:var(--sh-sm);
}
.step-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.step-body:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-md)}
.step-body h3{font-size:20px;font-weight:600;line-height:1.4}
.step-body p{margin-top:8px;color:var(--muted);font-size:15.5px}

/* ---------- 两列图文卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.media-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-md);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.media-card:hover{transform:translateY(-2px);border-color:rgba(228,87,46,.55);box-shadow:var(--sh-lg)}
.media-card figure{overflow:hidden;margin:0}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.media-card:hover img{transform:scale(1.03)}
.media-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.media-card-body h3{font-size:22px;line-height:1.35;font-weight:600}
.media-card-body p{color:var(--muted);font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.card-tags span{
  font-size:12.5px;
  padding:4px 11px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
}
.media-card-body .link-more{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 4px;
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:color .24s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--brand-dark);
  font-size:18px;
  font-weight:600;
  transition:transform .24s ease,background .24s ease,border-color .24s ease;
}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-item[open] summary::after{content:"−";background:var(--yellow-soft);border-color:var(--yellow)}
.faq-item[open]{background:rgba(242,193,78,.1)}
.faq-answer{padding:0 46px 22px 4px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  background:var(--deep);
  color:#FFFDF8;
  padding:80px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-copy h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:.015em;color:#FFFDF8}
.cta-copy p{margin-top:16px;color:rgba(255,253,248,.82);font-size:16px;line-height:1.85;max-width:520px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,253,248,.9);font-size:15.5px;line-height:1.7}
.cta-points i{color:var(--yellow);margin-top:5px}
.form-card{
  background:var(--card);
  color:var(--ink);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-lg);
  border:1px solid rgba(255,253,248,.4);
}
.form-card h3{font-size:22px;font-weight:600;line-height:1.35}
.form-card .form-note{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7}
.form-field{margin-top:16px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-size:15.5px;
  font-family:inherit;
  color:var(--ink);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.form-field textarea{min-height:104px;resize:vertical;line-height:1.7}
.form-field input::placeholder,
.form-field textarea::placeholder{color:#9aa39f}
.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover{border-color:#c3b8a6}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(228,87,46,.16);
}
.form-field .hint{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}
.form-card .btn-block{margin-top:20px}
.form-error{display:none;font-size:13px;color:#a3260f;margin-top:6px}
.form-field.has-error .form-error{display:block}
.form-field.has-error input,
.form-field.has-error select{border-color:#a3260f}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#FFFDF8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.brand--footer{color:#FFFDF8;font-size:18px}
.brand--footer:hover{color:#FFFDF8;text-decoration:none}
.brand--footer .brand-mark{background:rgba(255,253,248,.12);color:var(--yellow)}
.brand--footer em{color:var(--yellow)}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(255,253,248,.72);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#FFFDF8;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a,
.footer-col span{font-size:14.5px;line-height:1.7;color:rgba(255,253,248,.72);text-decoration:none;transition:color .24s ease}
.footer-col a:hover{color:var(--yellow);text-decoration:none}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,253,248,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(255,253,248,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px;gap:12px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{aspect-ratio:3/2}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .cta-band{padding:64px 0}
  .page-hero{min-height:auto;padding:44px 0 44px}
  .section-head h2,.split-body h2,.cta-copy h2{font-size:28px}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .section-head h2,.split-body h2,.cta-copy h2{font-size:25px;line-height:1.3}
  .page-hero h1{font-size:30px}
  .page-hero .lede{font-size:16px}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat-row .stat:last-child{grid-column:1 / -1}
  .step{grid-template-columns:44px 1fr;gap:16px;padding-bottom:24px}
  .step-num{width:44px;height:44px;font-size:16px}
  .step::before{left:21px;top:44px}
  .step-body{padding:18px 18px}
  .step-body h3{font-size:18px}
  .media-card-body{padding:20px}
  .media-card-body h3{font-size:19px}
  .faq-item summary{font-size:16px;padding:18px 2px}
  .faq-answer{padding:0 8px 20px 2px;font-size:15px}
  .form-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
}
@media (max-width:519px){
  .brand{font-size:16px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  .page-hero h1{font-size:27px}
  .hero-tags span{font-size:12px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .cta-points li{font-size:15px}
  .stat-row{grid-template-columns:1fr}
  .stat-row .stat:last-child{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}