/* roulang page: index */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --brand-200:#BFE3DB;
  --accent:#D97B2B;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:999px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --font:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--brand-100);}
a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);letter-spacing:.01em;}
h1{font-size:40px;font-weight:700;line-height:1.3;}
h2{font-size:28px;font-weight:600;line-height:1.35;}
h3{font-size:19px;font-weight:600;line-height:1.4;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0 0 1.1em;padding-left:1.15em;}
li{margin-bottom:8px;}
::selection{background:var(--brand-100);color:var(--brand-700);}
:focus-visible{outline:3px solid var(--brand-100);outline-offset:2px;border-radius:4px;}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:820px;}
.section{padding:72px 0;}
.section-sm{padding:56px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);background:var(--brand-100);
  border-radius:var(--r-badge);padding:5px 14px;margin-bottom:14px;font-weight:600;
}
.section-head p{color:var(--text-muted);font-size:16px;margin:10px 0 0;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* 按钮 */
.btn{font-family:var(--font);font-size:16px;border-radius:var(--r-btn);padding:12px 24px;font-weight:600;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1px solid transparent;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.4;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--brand-700);border-color:#fff;}
.btn-light:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{padding:9px 18px;font-size:14.5px;border-radius:var(--r-btn);}
.btn[disabled],.btn.is-loading{opacity:.7;pointer-events:none;}
.text-link{color:var(--brand);text-decoration:underline;text-underline-offset:4px;font-weight:600;font-size:15px;}
.text-link:hover{text-decoration-thickness:2px;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;}
.site-header.scrolled{box-shadow:var(--shadow-1);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-bar-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex-shrink:0;}
.brand-mark{width:32px;height:32px;display:grid;place-items:center;}
.brand-name{font-size:19px;font-weight:700;color:var(--brand-700);letter-spacing:.02em;line-height:1;}
.header-search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-badge);padding:8px 16px;max-width:320px;width:100%;}
.header-search i{color:var(--placeholder);font-size:14px;}
.header-search input{border:0;background:transparent;outline:none;font-family:var(--font);font-size:14.5px;width:100%;color:var(--text);}
.header-search input::placeholder{color:var(--placeholder);}
.brand-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.hotline{font-size:14px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;}
.hotline i{color:var(--brand);}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  width:44px;height:44px;font-size:18px;color:var(--brand-700);align-items:center;justify-content:center;}

/* 频道行 */
.channel-bar{background:#fff;border-bottom:1px solid var(--line);position:relative;}
.channel-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;font-size:15px;color:var(--text-muted);text-decoration:none;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-badge);position:relative;transition:background-color .18s ease,color .18s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);}
.channel.active{background:var(--brand-100);color:var(--brand);font-weight:600;}
.channel.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:2px;background:var(--brand);
}
@media (max-width:767.98px){
  .channel-bar::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:52px;pointer-events:none;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
  }
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;left:0;right:0;background:#fff;z-index:1040;
  transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .25s ease;
  box-shadow:var(--shadow-3);padding:20px 24px 28px;border-bottom-left-radius:18px;border-bottom-right-radius:18px;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-drawer a{display:block;padding:14px 4px;font-size:16px;color:var(--text);text-decoration:none;border-bottom:1px solid var(--line);}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer a.active{color:var(--brand);font-weight:600;}
.drawer-close{position:absolute;top:14px;right:16px;background:none;border:0;font-size:22px;color:var(--text-muted);width:44px;height:44px;}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,74,66,.94) 0%,rgba(18,101,90,.86) 52%,rgba(18,101,90,.66) 100%);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px;}
.hero h1{color:#fff;font-size:40px;line-height:1.28;margin-bottom:18px;}
.hero .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;border-radius:var(--r-badge);padding:6px 16px;margin-bottom:20px;
}
.hero .kicker i{color:var(--brand-200);}
.hero-lead{font-size:18px;line-height:1.75;color:rgba(255,255,255,.92);max-width:560px;margin-bottom:26px;}
.hero-points{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:10px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.9);margin:0;}
.hero-points i{color:var(--brand-200);margin-top:6px;font-size:13px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px;box-shadow:var(--shadow-3);}
.hero-stat{
  position:absolute;left:-18px;bottom:-22px;background:#fff;color:var(--text);
  border-radius:var(--r-card);padding:16px 20px;box-shadow:var(--shadow-3);max-width:255px;
}
.hero-stat strong{display:block;font-size:15px;color:var(--brand-700);margin-bottom:4px;}
.hero-stat span{font-size:13.5px;color:var(--text-muted);line-height:1.6;display:block;}
.hero-stat em{display:block;font-style:normal;font-size:12px;color:var(--placeholder);margin-top:6px;}

/* 痛点折叠行 */
.pain-list{border-top:1px solid var(--line);}
.pain-item{border-bottom:1px solid var(--line);}
.pain-item .pain-btn{
  width:100%;background:none;border:0;text-align:left;padding:24px 0;display:flex;gap:18px;align-items:center;
  font-family:var(--font);font-size:17.5px;font-weight:600;color:var(--text);cursor:pointer;transition:color .18s ease;
}
.pain-item .pain-btn:hover{color:var(--brand);}
.pain-item .pain-btn[aria-expanded="true"]{color:var(--brand);}
.pain-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--brand-100);color:var(--brand);
  display:grid;place-items:center;font-size:15px;font-weight:700;
}
.pain-answer{padding:0 0 24px 54px;color:var(--text-muted);font-size:15.5px;max-width:820px;}
.pain-answer p{margin-bottom:.7em;}

/* 方案编号卡 */
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 28px 26px 34px;position:relative;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan-card::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:2px;background:var(--brand);}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.plan-no{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.12em;margin-bottom:10px;display:block;}
.plan-card h3{margin-bottom:10px;font-size:19px;}
.plan-card p{color:var(--text-muted);font-size:15.5px;line-height:1.75;margin-bottom:14px;}

/* 数据条 */
.stats-band{background:var(--ink);color:#fff;padding:56px 0;}
.stats-band h2{color:#fff;font-size:24px;margin-bottom:8px;}
.stats-band .band-note{color:rgba(255,255,255,.66);font-size:14px;margin-bottom:34px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.stat-item{border-left:2px solid rgba(191,227,219,.32);padding-left:18px;}
.stat-num{font-size:40px;font-weight:700;color:var(--brand-200);line-height:1.1;letter-spacing:-.01em;}
.stat-num small{font-size:18px;font-weight:600;}
.stat-label{font-size:14.5px;color:rgba(255,255,255,.92);margin-top:10px;}
.stat-meta{font-size:12px;color:rgba(255,255,255,.55);margin-top:6px;line-height:1.6;}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{position:relative;padding-top:20px;border-top:2px solid var(--line);}
.step.active-line{border-top-color:var(--brand);}
.step-no{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:12px;display:block;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--text-muted);margin:0;}

/* 内容列表卡片 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.post-card-link{text-decoration:none;color:inherit;display:flex;flex-direction:column;flex:1;}
.post-cover{position:relative;}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.post-cover .badge-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.9);color:var(--brand);}
.post-body{padding:20px 20px 12px;flex:1;}
.post-title{font-size:17.5px;line-height:1.5;margin:10px 0 10px;color:var(--text);}
.post-card:hover .post-title{color:var(--brand-700);}
.post-summary{font-size:14.5px;color:var(--text-muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px 18px;border-top:1px solid var(--line);font-size:13px;color:var(--placeholder);}
.post-foot time{font-size:13px;}
.badge-tag{
  display:inline-block;border-radius:var(--r-badge);padding:4px 12px;font-size:12.5px;font-weight:600;
  background:var(--brand-100);color:var(--brand);line-height:1.6;
}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--text-muted);
}
.empty-state p{font-size:16px;margin-bottom:16px;}

/* 反馈摘录 */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1);
}
.voice i.quote-icon{color:var(--brand-100);font-size:26px;margin-bottom:12px;display:block;}
.voice p{font-size:15.5px;color:var(--text);line-height:1.85;margin-bottom:18px;}
.voice footer{font-size:13.5px;color:var(--text-muted);}

/* FAQ */
.faq-accordion{border-top:1px solid var(--line);}
.faq-accordion .accordion-item{background:#fff;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-family:var(--font);font-size:17px;font-weight:600;
  padding:22px 48px 22px 0;box-shadow:none !important;border:0;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-body{padding:0 48px 24px 0;color:var(--text-muted);font-size:15.5px;line-height:1.85;}
.faq-plus{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--brand-100);color:var(--brand);
  display:grid;place-items:center;font-size:15px;transition:transform .25s ease;pointer-events:none;
}
.faq-accordion .accordion-button{position:relative;}
.faq-accordion .accordion-button[aria-expanded="true"] .faq-plus{transform:translateY(-50%) rotate(45deg);}

/* CTA 条 */
.cta-band{background:var(--brand-100);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:26px;margin-bottom:8px;}
.cta-inner p{color:var(--text-muted);font-size:15.5px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 表单 */
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-control,.form-select{
  width:100%;font-family:var(--font);font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);padding:12px 14px;line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:var(--placeholder);}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100);}
.form-control.is-error,.form-select.is-error{border-color:var(--alert);}
.error-text{color:var(--alert);font-size:13px;margin-top:6px;display:none;}
.error-text.show{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-muted);margin:6px 0 18px;}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);}
.form-note{font-size:12.5px;color:var(--text-muted);line-height:1.7;}
.form-success{
  display:none;background:var(--brand-100);border:1px solid var(--brand-200);color:var(--brand-700);
  border-radius:var(--r-card);padding:16px 18px;font-size:15px;margin-bottom:18px;
}
.form-success.show{display:block;}

/* 侧滑面板 */
.panel-overlay{
  position:fixed;inset:0;background:rgba(18,58,52,.5);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.panel-overlay.open{opacity:1;visibility:visible;}
.side-panel{
  position:fixed;top:0;right:0;bottom:0;width:480px;max-width:100%;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;padding:32px 32px 40px;
  box-shadow:var(--shadow-3);
}
.side-panel.open{transform:translateX(0);}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
.panel-head h2{font-size:22px;margin:0;}
.panel-close{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);width:40px;height:40px;
  color:var(--text-muted);font-size:18px;display:grid;place-items:center;flex-shrink:0;
}
.panel-close:hover{border-color:var(--brand);color:var(--brand);}
.panel-sub{color:var(--text-muted);font-size:14.5px;margin:8px 0 24px;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:700;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.78);text-decoration:none;font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-meta{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.7);
}
.footer-bottom a{color:rgba(255,255,255,.7);text-decoration:none;}
.footer-bottom a:hover{color:#fff;}

/* 响应式 */
@media (max-width:1399.98px){
  h1{font-size:38px;}
}
@media (max-width:1199.98px){
  .header-search{max-width:230px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
}
@media (max-width:991.98px){
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  h1{font-size:32px;}
  .hero h1{font-size:33px;}
  h2{font-size:24px;}
  .hero-inner{padding:56px 0 56px;}
  .hero-figure{margin-top:40px;}
  .hero-stat{position:static;margin-top:18px;max-width:none;box-shadow:var(--shadow-1);}
  .plan-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px 20px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .voices{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .header-search{display:none;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .section-sm{padding:36px 0;}
  h1{font-size:27px;}
  .hero h1{font-size:27px;}
  h2{font-size:22px;}
  .brand-bar-inner{height:60px;gap:14px;}
  .hotline{display:none;}
  .nav-toggle{display:flex;}
  .brand-actions .btn-primary{display:none;}
  .stats-band{padding:40px 0;}
  .stat-num{font-size:32px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .post-grid{grid-template-columns:1fr;gap:16px;}
  .plan-grid{gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .side-panel{width:100%;padding:24px 20px 32px;}
  .hero-cta .btn{width:100%;}
}
@media (max-width:519.98px){
  .stats-grid{grid-template-columns:1fr;}
  .hero-lead{font-size:16.5px;}
}

/* roulang page: article */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --accent:#D97B2B;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.32;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--brand-100);outline-offset:2px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover,
.btn-primary:focus{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{background:var(--brand-700);border-color:var(--brand-700);transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--brand);}
.btn-outline:hover,
.btn-outline:focus{background:var(--brand-100);border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  background:none;border:0;padding:0;
}
.btn-link:hover{color:var(--brand-700);text-decoration-thickness:2px;}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-bar-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;align-items:center;line-height:0;}
.brand-name{
  font-size:20px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.02em;
  white-space:nowrap;
}
.header-search{
  flex:1 1 auto;
  max-width:360px;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.header-search i{color:var(--placeholder);font-size:14px;}
.header-search input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
  min-width:0;
}
.header-search input::placeholder{color:var(--placeholder);}
.header-search:focus-within{border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 3px var(--brand-100);}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.hotline{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--text-muted);white-space:nowrap;
}
.hotline i{color:var(--brand);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--brand-700);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand);}

.channel-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.channel-inner{
  position:relative;
  height:48px;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-muted);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);}
.channel.active{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  box-shadow:inset 0 -3px 0 var(--brand);
}

/* 移动端导航抽屉 */
.nav-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:320px;
  max-width:88vw;
  background:var(--surface);
  z-index:1060;
  transform:translateX(100%);
  transition:transform .3s ease;
  padding:20px;
  overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer-title{font-size:13px;color:var(--text-muted);letter-spacing:.08em;margin-bottom:12px;}
.nav-drawer a{
  display:block;
  padding:14px 14px;
  border-radius:var(--radius-btn);
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer-close{
  position:absolute;top:14px;right:14px;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  color:var(--text-muted);font-size:16px;cursor:pointer;
}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-700);}
.overlay{
  position:fixed;inset:0;
  background:rgba(18,58,52,.5);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1050;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.crumb-wrap{background:var(--bg);padding:20px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;
  font-size:13px;color:var(--text-muted);
  gap:8px;
}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ============ 文章头部 ============ */
.article-head{padding:24px 0 32px;background:var(--bg);border-bottom:1px solid var(--line);}
.article-head-inner{max-width:860px;}
.article-channel{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--brand);
  background:var(--brand-100);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.article-channel:hover{background:var(--brand);color:#fff;}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:var(--text-muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:13px;}
.article-meta time{color:var(--text-muted);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}

/* ============ 正文布局 ============ */
.article-section{padding:48px 0 64px;}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:800px;
  font-size:17.5px;
  line-height:1.9;
  color:var(--text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:26px;font-weight:600;line-height:1.35;
  margin:44px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--brand);
}
.article-body h3{font-size:19px;font-weight:600;margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-body ul,
.article-body ol{padding-left:22px;margin:0 0 1.2em;list-style:inherit;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  background:var(--brand-100);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  padding:16px 20px;
  margin:0 0 1.2em;
  color:var(--brand-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;
  border-radius:12px;
  margin:10px auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-muted);
  text-align:center;margin-top:8px;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--brand-700);}
.article-body .table-scroll{overflow-x:auto;margin:0 0 1.2em;border-radius:var(--radius-img);}
.article-body table{
  width:100%;min-width:520px;
  border-collapse:collapse;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:15.5px;
}
.article-body th{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);}
.article-body strong{font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

.article-empty{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:48px 32px;
  max-width:800px;
  text-align:center;
}
.article-empty h2{font-size:22px;font-weight:600;margin-bottom:12px;}
.article-empty p{color:var(--text-muted);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:128px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px;
  margin-bottom:20px;
}
.side-card h2{
  font-size:16px;font-weight:600;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.side-card h2::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--brand);
}
.side-list li{border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;gap:10px;
  padding:11px 0;
  font-size:14.5px;
  line-height:1.6;
  color:var(--text);
}
.side-list a:hover{color:var(--brand);}
.side-list .idx{
  flex:0 0 auto;
  font-size:13px;font-weight:700;color:var(--accent);
  min-width:18px;
}
.side-note{
  font-size:13px;color:var(--text-muted);line-height:1.75;margin:0;
}
.side-cta{
  background:var(--ink);
  border-radius:var(--radius-card);
  padding:24px 22px;
  color:#fff;
}
.side-cta h2{color:#fff;font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:12px;margin-bottom:14px;}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.75;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 64px;}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.related-head h2{font-size:26px;font-weight:600;}
.related-head p{font-size:14px;color:var(--text-muted);margin:6px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease;
}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-badge{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.92);
  color:var(--brand-700);
  font-size:12.5px;font-weight:600;
  border-radius:999px;
  padding:4px 12px;
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17.5px;font-weight:600;line-height:1.5;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--brand);}
.post-body p{
  font-size:14.5px;color:var(--text-muted);line-height:1.72;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-muted);
  padding-top:6px;
}
.post-foot i{font-size:12px;}

/* ============ FAQ ============ */
.faq-section{padding:0 0 64px;}
.faq-section h2{font-size:26px;font-weight:600;margin-bottom:8px;}
.faq-section .lead{font-size:15px;color:var(--text-muted);margin-bottom:24px;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.accordion-item:first-child{border-top:0;}
.accordion-button{
  width:100%;
  background:transparent;
  border:0;
  padding:20px 52px 20px 22px;
  font-size:17px;
  font-weight:400;
  color:var(--text);
  text-align:left;
  position:relative;
  transition:color .2s ease,background-color .2s ease;
  box-shadow:none;
}
.accordion-button:hover{background:#FBF9F5;color:var(--brand-700);}
.accordion-button:not(.collapsed){color:var(--brand);font-weight:600;background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:3px solid var(--brand-100);outline-offset:-3px;}
.accordion-button::after{
  content:"+";
  position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;
  color:var(--brand);
  background:none;width:auto;height:auto;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{content:"+";transform:translateY(-50%) rotate(45deg);}
.accordion-body{
  padding:0 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-muted);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);
  padding:56px 0;
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:26px;font-weight:600;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.75);font-size:15px;margin:0;max-width:640px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:#c06a1f;border-color:#c06a1f;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:19px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin:0;max-width:330px;}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,
.footer-col span{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding:22px 0;
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ============ 右侧滑入面板 ============ */
.panel{
  position:fixed;top:0;right:0;bottom:0;
  width:480px;max-width:100%;
  background:var(--surface);
  z-index:1070;
  transform:translateX(100%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-3);
}
.panel.is-open{transform:translateX(0);}
.panel-head{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:16px;
  padding:24px 26px 18px;
  border-bottom:1px solid var(--line);
}
.panel-head h2{font-size:19px;font-weight:600;margin-bottom:6px;}
.panel-head p{font-size:13.5px;color:var(--text-muted);margin:0;line-height:1.7;}
.panel-close{
  flex:0 0 auto;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  color:var(--text-muted);font-size:16px;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.panel-close:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand);}
.panel-body{padding:22px 26px 30px;overflow-y:auto;flex:1;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field .req{color:var(--alert);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.75;}
.field input::placeholder,
.field textarea::placeholder{color:var(--placeholder);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-100);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:var(--alert);box-shadow:0 0 0 3px rgba(180,71,47,.1);}
.field .err{display:none;font-size:13px;color:var(--alert);margin-top:6px;}
.field.has-error .err{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:6px;}
.check-row input[type="checkbox"]{
  width:18px;height:18px;margin-top:3px;flex:0 0 auto;
  accent-color:var(--brand);
}
.check-row label{font-size:13.5px;font-weight:400;color:var(--text-muted);line-height:1.7;margin:0;}
.privacy-note{font-size:12.5px;color:var(--text-muted);line-height:1.7;margin:0 0 18px;}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.form-success{
  display:none;
  background:var(--brand-100);
  border:1px solid var(--brand);
  border-radius:var(--radius-card);
  padding:18px 20px;
  font-size:14.5px;
  color:var(--brand-700);
  line-height:1.8;
  margin-bottom:18px;
}
.form-success.is-visible{display:block;}
.btn[disabled],
.btn.is-loading{opacity:.65;pointer-events:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
}
@media (max-width:991px){
  .header-search{display:none;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;top:auto;}
  .article-section{padding:40px 0 48px;}
  .related-section,.faq-section{padding-bottom:48px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:48px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-bar-inner{height:60px;gap:12px;}
  .brand-name{font-size:18px;}
  .hotline{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-inner{height:44px;padding-right:52px;}
  .channel-inner::after{
    content:"";
    position:absolute;top:0;right:0;bottom:0;width:52px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#FFFFFF);
    pointer-events:none;
  }
  .article-head{padding:20px 0 24px;}
  .article-head h1{font-size:26px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .article-section{padding:32px 0 40px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:21px;margin-top:34px;padding-left:12px;border-left-width:3px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .related-head{flex-direction:column;align-items:flex-start;}
  .related-head h2,.faq-section h2,.cta-band h2{font-size:22px;}
  .cta-band{padding:40px 0;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding:40px 0 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12.5px;}
  .panel{width:100%;}
  .side-card{padding:18px;}
  .article-empty{padding:36px 20px;}
}
@media (max-width:520px){
  .brand-actions .btn-primary{display:none;}
  .article-meta .meta-dot{display:none;}
  .article-meta span{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --accent:#D97B2B;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --font-cn:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-700);}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{color:var(--text);letter-spacing:.01em;margin:0 0 .6em;}
h1{font-size:40px;font-weight:700;line-height:1.3;}
h2{font-size:28px;font-weight:600;line-height:1.34;}
h3{font-size:19px;font-weight:600;line-height:1.45;}
ul,ol{margin:0 0 1.1em;padding-left:1.15em;}
li{margin-bottom:8px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid var(--brand-100);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px !important;padding-left:24px;padding-right:24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--surface);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.brand-bar{border-bottom:1px solid var(--line);background:var(--surface);}
.brand-bar-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;line-height:0;}
.brand-name{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
  white-space:nowrap;
}
.header-search{
  flex:1 1 auto;
  max-width:380px;
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:8px 14px;
}
.header-search i{color:var(--placeholder);font-size:14px;}
.header-search input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14.5px;
  color:var(--text);
}
.header-search input::placeholder{color:var(--placeholder);}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100);}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto;}
.hotline{font-size:14px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.hotline i{color:var(--brand);}

.btn{
  border-radius:var(--r-btn);
  font-weight:600;
  transition:all .2s ease;
}
.btn-primary{
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
  padding:9px 20px;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--brand-700);
  border-color:var(--brand-700);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline-brand{
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand);
  padding:9px 20px;
}
.btn-outline-brand:hover{
  border-color:var(--brand);
  background:var(--brand-100);
  color:var(--brand-700);
  transform:translateY(-2px);
}
.btn-lg{font-size:16.5px;padding:13px 28px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  color:var(--brand);
  font-size:18px;
  align-items:center;justify-content:center;
}

.channel-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.channel-inner{
  height:48px;
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-muted);
  white-space:nowrap;
  position:relative;
  transition:background .18s ease,color .18s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);}
.channel.active{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
}
.channel.active::after{
  content:"";
  position:absolute;
  left:50%;transform:translateX(-50%);
  bottom:-7px;
  width:26px;height:3px;
  border-radius:2px;
  background:var(--brand);
}

.mobile-menu{
  display:none;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:12px 0 18px;
}
.mobile-menu.open{display:block;}
.mobile-menu a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:8px 24px;
  color:var(--text);
  font-size:16px;
  border-bottom:1px solid var(--line);
}
.mobile-menu a:last-child{border-bottom:0;}
.mobile-menu a.active{color:var(--brand);font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,74,66,.92) 0%,rgba(18,58,52,.82) 55%,rgba(18,58,52,.62) 100%);
}
.page-hero-inner{position:relative;padding:64px 0 68px;max-width:820px;}
.crumbs{
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:18px;
}
.crumbs a{color:rgba(255,255,255,.88);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumbs span.sep{margin:0 8px;opacity:.6;}
.page-hero h1{
  color:#fff;
  font-size:40px;
  margin-bottom:16px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.9);
  max-width:720px;
  margin-bottom:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .pill{
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
  border-radius:999px;
  padding:6px 15px;
  font-size:13.5px;
  background:rgba(255,255,255,.08);
}

/* ---------- Section basics ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;
  color:var(--brand);
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;
}
.section-head p{color:var(--text-muted);font-size:16.5px;margin-bottom:0;}

/* ---------- Zigzag ---------- */
.zig-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:34px 0;
  border-top:1px solid var(--line);
}
.zig-row:first-of-type{border-top:0;padding-top:0;}
.zig-row:last-of-type{padding-bottom:0;}
.zig-media{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--brand-100);
  box-shadow:var(--shadow-2);
  position:relative;
}
.zig-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
}
.zig-row.reverse .zig-media{order:2;}
.zig-index{
  display:inline-block;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:10px;
}
.zig-body h3{font-size:22px;margin-bottom:14px;}
.zig-body p{color:var(--text-muted);font-size:16.5px;}
.tick-list{list-style:none;padding:0;margin:18px 0 0;}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  color:var(--text);
  margin-bottom:10px;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--brand-100);
  border:2px solid var(--brand);
}

/* ---------- Dark assurance band ---------- */
.ink-band{
  background:var(--ink);
  color:#fff;
  padding:56px 0;
}
.ink-band .section-head h2{color:#fff;margin-bottom:10px;}
.ink-band .section-head p{color:rgba(255,255,255,.72);}
.assure-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.assure-item{
  border-left:3px solid var(--brand);
  padding-left:18px;
}
.assure-item .num{
  font-size:30px;
  font-weight:700;
  color:#7FD3C4;
  line-height:1.2;
  letter-spacing:.02em;
}
.assure-item h3{
  color:#fff;
  font-size:17.5px;
  margin:8px 0 8px;
}
.assure-item p{
  color:rgba(255,255,255,.7);
  font-size:14.5px;
  line-height:1.75;
  margin-bottom:8px;
}
.assure-item .note{
  font-size:12.5px;
  color:rgba(255,255,255,.5);
  margin-bottom:0;
}

/* ---------- Scenario chips ---------- */
.chip-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.chip-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.chip-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:#CBDCD7;
}
.chip-card .tag{
  display:inline-block;
  font-size:12.5px;
  color:var(--brand);
  background:var(--brand-100);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.chip-card h3{font-size:18px;margin-bottom:10px;}
.chip-card p{font-size:15px;color:var(--text-muted);margin-bottom:0;}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.step{
  padding:28px 22px 6px;
  border-right:1px solid var(--line);
  position:relative;
}
.step:last-child{border-right:0;}
.step::before{
  content:"";
  position:absolute;
  top:-5px;left:22px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--brand);
}
.step .step-no{
  font-size:13.5px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.12em;
}
.step h3{font-size:18px;margin:8px 0 10px;}
.step p{font-size:15px;color:var(--text-muted);margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card) !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  background:var(--surface);
  padding:20px 56px 20px 22px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface);
}
.accordion-button:focus{box-shadow:0 0 0 3px var(--brand-100) !important;z-index:2;}
.accordion-button::after{
  content:"+";
  background-image:none !important;
  font-size:24px;
  font-weight:400;
  color:var(--brand);
  width:auto;height:auto;
  line-height:1;
  transform:none;
  transition:transform .25s ease;
  display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  color:var(--brand-700);
}
.accordion-body{
  padding:0 22px 22px;
  font-size:16px;
  color:var(--text-muted);
  line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:18px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  padding:60px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{color:#fff;font-size:27px;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.74);margin-bottom:0;font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.btn-ghost-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.5);
  color:#fff;
  padding:13px 26px;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

.link-row{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;}
.text-link{
  color:var(--brand);
  font-weight:600;
  font-size:15.5px;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-700);text-decoration-thickness:2px;}

/* ---------- Side panel form ---------- */
.panel-mask{
  position:fixed;inset:0;
  background:rgba(18,58,52,.5);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1050;
}
.panel-mask.open{opacity:1;visibility:visible;}
.side-panel{
  position:fixed;
  top:0;right:0;
  width:480px;
  max-width:100%;
  height:100%;
  background:var(--surface);
  z-index:1060;
  transform:translateX(100%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-3);
}
.side-panel.open{transform:translateX(0);}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
}
.panel-head h2{font-size:19px;margin:0;}
.panel-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  color:var(--text-muted);
  display:flex;align-items:center;justify-content:center;
}
.panel-close:hover{border-color:var(--brand);color:var(--brand);}
.panel-body{padding:24px;overflow-y:auto;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field .form-control,.field .form-select{
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:11px 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  box-shadow:none;
}
.field .form-control::placeholder{color:var(--placeholder);}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-100);
}
.field textarea.form-control{min-height:110px;resize:vertical;}
.field.has-error .form-control,
.field.has-error .form-select{border-color:var(--alert);}
.err-text{display:none;font-size:13px;color:var(--alert);margin-top:6px;}
.field.has-error .err-text{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-muted);}
.consent input{margin-top:5px;accent-color:var(--brand);width:16px;height:16px;}
.privacy-note{font-size:12.5px;color:var(--text-muted);margin:12px 0 0;}
.form-result{
  display:none;
  background:var(--brand-100);
  border-radius:var(--r-card);
  padding:16px 18px;
  font-size:15px;
  color:var(--brand-700);
  margin-bottom:18px;
}
.form-result.show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:56px 0 22px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand span{font-size:19px;font-weight:700;color:#fff;}
.site-footer p{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.8;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  list-style:none;
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  margin-bottom:10px;
  display:flex;gap:10px;align-items:flex-start;
}
.footer-contact{padding:0;margin:0;}
.footer-contact i{color:#7FD3C4;margin-top:5px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  h1{font-size:34px;}
  .page-hero h1{font-size:34px;}
  .zig-row{gap:38px;}
}
@media (max-width:991.98px){
  .section{padding:56px 0;}
  .ink-band{padding:48px 0;}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .chip-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step{border-right:0;border-bottom:1px solid var(--line);padding-bottom:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .header-search{max-width:240px;}
  .hotline{display:none;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:27px;}
  h2{font-size:23px;}
  .page-hero h1{font-size:27px;}
  .page-hero-inner{padding:40px 0 46px;}
  .section{padding:40px 0;}
  .ink-band{padding:40px 0;}
  .brand-bar-inner{height:60px;gap:12px;}
  .header-search{display:none;}
  .nav-toggle{display:flex;}
  .brand-name{font-size:18px;}
  .channel-inner{
    position:relative;
    padding-right:56px;
    -webkit-mask-image:linear-gradient(90deg,#000 82%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 82%,transparent 100%);
  }
  .zig-row{
    grid-template-columns:1fr;
    gap:22px;
    padding:26px 0;
  }
  .zig-row.reverse .zig-media{order:0;}
  .zig-body h3{font-size:20px;}
  .assure-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .assure-item .num{font-size:26px;}
  .chip-grid{grid-template-columns:1fr;gap:16px;}
  .steps{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;text-align:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .side-panel{width:100%;}
  .accordion-button{font-size:16px;padding:18px 50px 18px 18px;}
  .cta-inner h2{font-size:22px;}
}
@media (max-width:519.98px){
  .assure-grid{grid-template-columns:1fr;}
  .brand-name{font-size:17px;}
  .btn-lg{font-size:15.5px;padding:12px 20px;}
}

/* roulang page: category1 */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --accent:#D97B2B;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --sect-y:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.01em}
h1{font-weight:700;font-size:38px}
h2{font-weight:600;font-size:28px}
h3{font-weight:600;font-size:19px}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#fff}

/* 容器 */
body .container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}

/* 通用按钮 */
.btn{
  border-radius:var(--radius-btn);
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{
  --bs-btn-bg:var(--brand);
  --bs-btn-border-color:var(--brand);
  --bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--brand-700);
  --bs-btn-hover-border-color:var(--brand-700);
  --bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--brand-700);
  --bs-btn-active-border-color:var(--brand-700);
  --bs-btn-active-color:#fff;
  --bs-btn-disabled-bg:var(--brand);
  --bs-btn-disabled-border-color:var(--brand);
  padding:12px 24px;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-primary:focus-visible{box-shadow:0 0 0 3px var(--brand-100);outline:none}
.btn-primary.btn-sm{padding:8px 16px;font-size:14px}
.btn-outline-brand{
  background:var(--surface);
  color:var(--brand);
  border:1px solid var(--line);
  padding:12px 24px;
}
.btn-outline-brand:hover{background:var(--brand-100);border-color:var(--brand);color:var(--brand)}
.btn-outline-brand:focus-visible{box-shadow:0 0 0 3px var(--brand-100);outline:none}
.btn-link-brand{
  color:var(--brand);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  padding:0;
  background:none;border:none;
}
.btn-link-brand:hover{color:var(--brand-700);text-decoration-color:var(--brand-700)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:var(--surface)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.brand-bar{border-bottom:1px solid var(--line);background:var(--surface)}
.brand-bar-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;width:32px;height:32px}
.brand-name{font-weight:700;font-size:19px;letter-spacing:.02em}
.header-search{position:relative;flex:1;max-width:400px;display:flex;align-items:center}
.header-search i{position:absolute;left:15px;font-size:13px;color:var(--placeholder)}
.header-search input{
  width:100%;height:40px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  padding:0 16px 0 38px;
  font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.header-search input::placeholder{color:var(--placeholder)}
.header-search input:focus{
  outline:none;background:var(--surface);
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-100);
}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.hotline{font-size:14px;color:var(--text-muted);white-space:nowrap}
.hotline i{color:var(--brand);margin-right:6px}
.nav-toggle{
  display:none;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--brand);font-size:17px;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand)}

.channel-bar{position:relative;background:var(--surface);border-bottom:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;gap:8px;
  height:48px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  padding:8px 16px;border-radius:999px;
  font-size:15px;color:var(--text-muted);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand)}
.channel.active{background:var(--brand-100);color:var(--brand);font-weight:600}
.channel.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:22px;height:3px;border-radius:3px;
  background:var(--brand);transform:translateX(-50%);
}
.mobile-drawer{display:none}

/* 分类页头 */
.cat-hero{
  position:relative;
  background-image:linear-gradient(rgba(12,74,66,.88),rgba(12,74,66,.9)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 52px;
}
.cat-hero .crumb{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:16px}
.cat-hero .crumb a{color:rgba(255,255,255,.85)}
.cat-hero .crumb a:hover{color:#fff}
.cat-hero .crumb span.sep{margin:0 8px}
.cat-hero h1{font-size:38px;color:#fff}
.cat-hero .hero-lead{margin-top:14px;max-width:760px;font-size:16.5px;color:rgba(255,255,255,.88);line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}

/* 主体两栏 */
.cat-layout{
  display:grid;grid-template-columns:282px minmax(0,1fr);
  gap:40px;padding:56px 0 64px;
}
.cat-aside{position:sticky;top:128px;align-self:start}
.cat-nav{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.cat-nav h2{
  font-size:15px;font-weight:600;color:var(--text);
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.cat-nav a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding:14px 20px;font-size:15px;
  color:var(--text);border-bottom:1px solid var(--line);
  transition:background-color .18s ease,color .18s ease;
}
.cat-nav a:last-child{border-bottom:0}
.cat-nav a i{font-size:12px;color:var(--placeholder)}
.cat-nav a:hover{background:var(--brand-100);color:var(--brand)}
.cat-nav a.active{
  background:var(--brand-100);color:var(--brand);font-weight:600;
  box-shadow:inset 3px 0 0 var(--brand);
}
.cat-nav a.active i{color:var(--brand)}
.aside-help{
  margin-top:20px;padding:20px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.aside-help h3{font-size:16px;margin-bottom:8px}
.aside-help p{font-size:14px;color:var(--text-muted);margin-bottom:14px}
.aside-help .btn{width:100%;text-align:center;padding:10px 16px;font-size:14px}

.section-head{margin-bottom:24px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.section-head h2{font-size:27px;margin-bottom:10px}
.section-head p{color:var(--text-muted);font-size:15.5px;max-width:760px}

/* 条目列表（1px 分隔线） */
.entry-list{border-top:1px solid var(--line)}
.entry{
  display:grid;grid-template-columns:minmax(0,1fr) 208px;
  gap:26px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.entry:hover{background:rgba(228,241,238,.42)}
.entry-body h3{font-size:19px;margin-bottom:10px}
.entry-body h3 a{color:var(--text)}
.entry-body h3 a:hover{color:var(--brand)}
.entry-body p{font-size:15px;color:var(--text-muted);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12.5px;line-height:1.6;
  padding:3px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand);
}
.tag.tag-accent{background:rgba(217,123,43,.12);color:#A85C18}
.entry-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);
  background:var(--brand-100);
}

/* 深色数据条 */
.dark-strip{background:var(--ink);color:#fff;padding:56px 0}
.dark-strip h2{color:#fff;font-size:25px;margin-bottom:10px}
.dark-strip .strip-lead{color:rgba(255,255,255,.75);font-size:15px;max-width:760px;margin-bottom:32px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item{border-top:1px solid rgba(255,255,255,.18);padding-top:18px}
.stat-num{font-size:40px;font-weight:700;line-height:1.1;color:#8FD3C6}
.stat-label{font-size:14px;color:rgba(255,255,255,.88);margin-top:10px}
.stat-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:6px}

/* 流程 */
.flow-wrap{background:var(--bg);padding:var(--sect-y) 0}
.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 36px}
.flow-item{
  padding:6px 0 6px 20px;
  border-left:3px solid var(--brand);
}
.flow-item .num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;
}
.flow-item h3{font-size:18px;margin:6px 0 8px}
.flow-item p{font-size:15px;color:var(--text-muted);margin:0}
.flow-foot{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.flow-foot span{font-size:14px;color:var(--text-muted)}

/* FAQ */
.faq-wrap{padding:0 0 var(--sect-y)}
.faq-accordion{background:transparent}
.faq-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:0;
  margin-bottom:-1px;
}
.faq-accordion .accordion-item:first-of-type{border-radius:var(--radius-card) var(--radius-card) 0 0}
.faq-accordion .accordion-item:last-of-type{border-radius:0 0 var(--radius-card) var(--radius-card);margin-bottom:0}
.faq-accordion .accordion-button{
  background:var(--surface);
  color:var(--text);
  font-size:17px;font-weight:600;
  padding:20px 22px;
  box-shadow:none;
  border-radius:0;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:var(--surface)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px var(--brand-100);outline:none;z-index:2}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"+";
  font-size:22px;line-height:1;
  width:auto;height:auto;
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  background-image:none;
  transform:rotate(45deg);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15.5px;color:var(--text-muted);line-height:1.85;
}

/* CTA 深底整幅 */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin:0;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-outline-brand{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-actions .btn-outline-brand:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:16px}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-name{color:#fff}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.85}
.footer-quote{
  margin-top:14px;padding-left:14px;
  border-left:3px solid var(--accent);
  font-size:13.5px;color:rgba(255,255,255,.82);
}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-contact i{color:#8FD3C6;width:16px;margin-right:8px}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.15);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.7);
}

/* 表单弹层 */
.panel-mask{
  position:fixed;inset:0;background:rgba(18,58,52,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040;
}
.panel-mask.open{opacity:1;visibility:visible}
.side-panel{
  position:fixed;top:0;right:0;height:100%;width:480px;max-width:100%;
  background:var(--surface);
  box-shadow:var(--shadow-3);
  transform:translateX(100%);
  transition:transform .3s ease;
  z-index:1050;overflow-y:auto;padding:32px 28px 40px;
}
.side-panel.open{transform:translateX(0)}
.panel-close{
  position:absolute;top:16px;right:16px;
  width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);
  color:var(--text-muted);font-size:18px;line-height:1;
}
.panel-close:hover{background:var(--brand-100);color:var(--brand);border-color:var(--brand)}
.side-panel h2{font-size:22px;margin-bottom:8px}
.panel-lead{font-size:14px;color:var(--text-muted);margin-bottom:24px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-field .req{color:var(--alert)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--surface);padding:11px 14px;font-size:15px;color:var(--text);
  font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field textarea{min-height:104px;resize:vertical;line-height:1.7}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--placeholder)}
.form-field.has-error input,.form-field.has-error textarea,.form-field.has-error select{border-color:var(--alert)}
.field-error{display:none;font-size:13px;color:var(--alert);margin-top:6px}
.form-field.has-error .field-error{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-muted)}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:none}
.check-row a{text-decoration:underline;text-underline-offset:3px}
.privacy-note{font-size:12.5px;color:var(--text-muted);margin-top:8px}
.form-submit{margin-top:22px;width:100%}
.form-result{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--radius-input);
  background:var(--brand-100);color:var(--brand-700);font-size:14px;
}
.form-result.show{display:block}

/* 响应式 */
@media (max-width:1399px){
  h1,.cat-hero h1{font-size:34px}
}
@media (max-width:1199px){
  .cat-layout{grid-template-columns:250px minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  :root{--sect-y:56px}
  .header-search{display:none}
  .channel-bar::after{
    content:"";position:absolute;right:0;top:0;bottom:1px;width:44px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
    pointer-events:none;
  }
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px 0 56px}
  .cat-aside{position:static}
  .entry{grid-template-columns:minmax(0,1fr) 176px;gap:20px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .dark-strip{padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body .container{padding-inline:16px}
  body{font-size:16px}
  h1,.cat-hero h1{font-size:27px}
  h2,.section-head h2,.cta-band h2,.dark-strip h2{font-size:22px}
  .brand-bar-inner{height:60px;gap:12px}
  .hotline{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-search{display:none}
  .mobile-drawer{
    display:none;background:var(--surface);
    border-bottom:1px solid var(--line);
    padding:10px 0 18px;
  }
  .mobile-drawer.open{display:block}
  .mobile-drawer a{
    display:block;padding:13px 0;font-size:15.5px;
    color:var(--text);border-bottom:1px solid var(--line);
  }
  .mobile-drawer a:last-of-type{border-bottom:0}
  .mobile-drawer a.active{color:var(--brand);font-weight:600}
  .mobile-drawer .drawer-cta{margin-top:14px}
  .mobile-drawer .drawer-cta .btn{width:100%;text-align:center}
  .cat-hero{padding:40px 0 36px}
  .cat-hero .hero-lead{font-size:15.5px}
  .entry{grid-template-columns:minmax(0,1fr);gap:16px}
  .entry-thumb{order:-1}
  .entry-thumb img{aspect-ratio:16/9}
  .flow-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .faq-accordion .accordion-button{font-size:16px;padding:17px 18px}
  .faq-accordion .accordion-body{padding:0 18px 18px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-num{font-size:32px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%;text-align:center}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .site-footer{padding:44px 0 20px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
  .side-panel{width:100%;height:100%;padding:26px 18px 36px}
}
@media (max-width:520px){
  .brand-name{font-size:17px}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .hero-tags span{font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --accent:#D97B2B;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --font:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --nav-h:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;color:var(--text);}
h1{font-size:40px;font-weight:700;}
h2{font-size:28px;font-weight:600;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;padding-left:1.2em;}
li{margin-bottom:8px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
section{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head p{color:var(--text-muted);margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow i{font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  padding:11px 22px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  border:1px solid transparent;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-100);}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline-brand{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-outline-brand:hover{border-color:var(--brand);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{padding:8px 16px;font-size:14px;}
.link-more{font-size:15px;font-weight:600;text-decoration:none;border-bottom:2px solid rgba(18,101,90,.25);padding-bottom:2px;transition:border-color .2s ease,color .2s ease;}
.link-more:hover{border-color:var(--brand);color:var(--brand-700);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);}
.site-header.scrolled{box-shadow:var(--shadow-1);}
.brand-bar{background:#fff;}
.brand-bar-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{display:inline-flex;line-height:0;}
.brand-name{font-size:20px;font-weight:700;color:var(--text);letter-spacing:.02em;line-height:1;}
.header-search{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
}
.header-search i{position:absolute;left:14px;color:var(--placeholder);font-size:14px;}
.header-search input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;padding:0 14px 0 38px;font-size:14px;color:var(--text);font-family:var(--font);
}
.header-search input::placeholder{color:var(--placeholder);}
.header-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100);}
.brand-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.hotline{font-size:14px;color:var(--text-muted);white-space:nowrap;}
.hotline i{color:var(--brand);margin-right:4px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);
  color:var(--brand);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-100);}
.channel-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;}
.channel-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:15px;color:var(--text);text-decoration:none;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.channel.active{background:var(--brand-100);color:var(--brand);font-weight:600;}
.channel.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-7px;
  width:26px;height:3px;border-radius:2px;background:var(--brand);
}
.channel-bar::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:44px;pointer-events:none;display:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line);padding:8px 0 16px;}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:block;padding:12px 24px;font-size:15px;color:var(--text);text-decoration:none;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:none;}
.mobile-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-100);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{font-size:13px;color:var(--text-muted);margin-bottom:22px;}
.breadcrumb-bar a{color:var(--text-muted);text-decoration:none;}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar .sep{margin:0 8px;color:var(--placeholder);}
.breadcrumb-bar .current{color:var(--brand);}

/* ---------- Hero ---------- */
.page-hero{
  padding:40px 0 64px;
  background:
    linear-gradient(180deg,rgba(228,241,238,.65),rgba(246,244,239,0) 70%),
    var(--bg);
}
.page-hero h1{margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--text-muted);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 26px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-muted);margin:0;}
.hero-points i{color:var(--brand);font-size:13px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-3);background:var(--brand-100);}
.hero-chip{
  position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px 18px;box-shadow:var(--shadow-2);min-width:180px;
}
.hero-chip strong{display:block;font-size:24px;color:var(--brand);line-height:1.2;}
.hero-chip span{font-size:13px;color:var(--text-muted);}

/* ---------- 时间轴 ---------- */
.timeline-section{background:var(--bg);}
.timeline{position:relative;padding-left:36px;list-style:none;margin:0;}
.timeline::before{
  content:"";position:absolute;left:9px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(18,101,90,.15) 100%);
}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:30px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px var(--bg);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px 28px;display:flex;gap:26px;align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-stage{font-size:13px;letter-spacing:.1em;color:var(--accent);font-weight:600;margin-bottom:8px;display:block;}
.tl-card h3{margin-bottom:10px;}
.tl-card p{color:var(--text-muted);font-size:15.5px;margin-bottom:14px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;color:var(--brand);
  background:var(--brand-100);border-radius:999px;padding:5px 12px;line-height:1.4;
}
.tl-thumb{flex:0 0 200px;}
.tl-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;background:var(--brand-100);}

/* ---------- 清单区 ---------- */
.checklist-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px;}
.check-item{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
}
.check-item i{color:var(--brand);font-size:16px;margin-top:6px;}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:15px;color:var(--text-muted);margin:0;}

/* ---------- 数据条 ---------- */
.data-bar{background:var(--ink);padding:56px 0;}
.data-bar .section-head h2{color:#fff;}
.data-bar .section-head p{color:rgba(255,255,255,.68);}
.data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.data-cell{border-left:3px solid var(--brand-100);padding-left:18px;}
.data-cell .num{font-size:40px;font-weight:700;color:var(--brand-100);line-height:1.1;display:block;}
.data-cell .label{display:block;font-size:14px;color:#fff;margin-top:8px;}
.data-cell .note{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:6px;line-height:1.6;}

/* ---------- 场景图文 ---------- */
.scene-section{background:var(--bg);}
.scene-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.scene-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-2);background:var(--brand-100);}
.scene-list{list-style:none;padding:0;margin:0;}
.scene-list li{
  padding:16px 0 16px 22px;border-bottom:1px solid var(--line);position:relative;
}
.scene-list li:last-child{border-bottom:none;}
.scene-list li::before{
  content:"";position:absolute;left:0;top:26px;width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.scene-list strong{display:block;font-size:16.5px;margin-bottom:4px;}
.scene-list span{font-size:14.5px;color:var(--text-muted);}

/* ---------- FAQ ---------- */
.faq-section{background:var(--surface);border-top:1px solid var(--line);}
.faq-accordion .accordion-item{
  background:#fff;border:none;border-top:1px solid var(--line);border-radius:0;
}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;padding:22px 44px 22px 0;
  box-shadow:none;border-radius:0;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button::after{
  content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--brand);
  background-image:none;width:auto;height:auto;transform:none;transition:transform .25s ease;
  position:absolute;right:4px;top:50%;margin-top:-14px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{
  padding:0 60px 24px 0;color:var(--text-muted);font-size:15.5px;
}

/* ---------- 频道互链 ---------- */
.cross-section{background:var(--bg);}
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cross-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;text-decoration:none;color:var(--text);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);color:var(--text);}
.cross-card .tag{margin-bottom:14px;}
.cross-card h3{font-size:18px;margin-bottom:8px;}
.cross-card p{font-size:14.5px;color:var(--text-muted);margin-bottom:12px;}
.cross-card .link-more{font-size:14px;}

/* ---------- CTA ---------- */
.cta-section{background:var(--ink);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;margin-bottom:8px;font-size:26px;}
.cta-inner p{color:rgba(255,255,255,.7);margin:0;font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-section .btn-outline-brand{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.cta-section .btn-outline-brand:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}

/* ---------- 表单弹层 ---------- */
.panel-overlay{
  position:fixed;inset:0;background:rgba(18,58,52,.5);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:1050;
}
.panel-overlay.open{opacity:1;visibility:visible;}
.side-panel{
  position:fixed;top:0;right:0;height:100%;width:480px;max-width:100%;background:#fff;
  z-index:1060;transform:translateX(100%);transition:transform .32s ease;
  display:flex;flex-direction:column;box-shadow:var(--shadow-3);
}
.side-panel.open{transform:translateX(0);}
.side-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 26px;border-bottom:1px solid var(--line);
}
.side-panel-head h2{font-size:20px;margin:0;}
.panel-close{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);
  color:var(--text-muted);font-size:16px;
}
.panel-close:hover{color:var(--brand);border-color:var(--brand);}
.panel-close:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-100);}
.side-panel-body{padding:24px 26px 40px;overflow-y:auto;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;
  font-family:var(--font);font-size:15px;color:var(--text);padding:11px 14px;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-100);}
.field input::placeholder,.field textarea::placeholder{color:var(--placeholder);}
.field .err{display:none;color:var(--alert);font-size:13px;margin-top:6px;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--alert);}
.field.invalid .err{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-muted);margin-bottom:6px;}
.consent input{margin-top:6px;width:16px;height:16px;accent-color:var(--brand);}
.privacy-note{font-size:12.5px;color:var(--text-muted);margin-bottom:20px;}
.form-result{
  display:none;background:var(--brand-100);border-radius:var(--radius-card);
  padding:16px 18px;font-size:14.5px;color:var(--brand-700);margin-bottom:18px;
}
.form-result.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 24px;}
.footer-brand{font-size:20px;font-weight:700;margin-bottom:12px;color:#fff;}
.footer-desc{color:rgba(255,255,255,.66);font-size:14.5px;max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact{list-style:none;padding:0;margin:0;color:rgba(255,255,255,.7);font-size:14px;}
.footer-contact li{margin-bottom:10px;display:flex;gap:8px;}
.footer-contact i{color:var(--brand-100);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.7);opacity:.75;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:36px;}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px;}
  section{padding:56px 0;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  .header-search{display:none;}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .scene-wrap{grid-template-columns:1fr;gap:28px;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .hero-chip{left:12px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  section{padding:40px 0;}
  h1{font-size:27px;}
  h2{font-size:23px;}
  .nav-toggle{display:inline-flex;}
  .brand-actions .btn{display:none;}
  .hotline{display:none;}
  .channel-bar::after{display:block;}
  .brand-bar-inner{height:60px;}
  .page-hero{padding:26px 0 40px;}
  .hero-lead{font-size:16px;}
  .hero-figure{margin-top:28px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:7px;}
  .tl-item::before{left:-26px;width:16px;height:16px;top:28px;border-width:3px;}
  .tl-card{flex-direction:column;padding:20px;gap:16px;}
  .tl-thumb{flex:1 1 auto;width:100%;}
  .check-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .data-cell .num{font-size:32px;}
  .cross-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .side-panel{width:100%;}
  .faq-accordion .accordion-button{font-size:16px;padding:18px 40px 18px 0;}
  .faq-accordion .accordion-body{padding-right:20px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category4 */
:root{
  --brand:#12655A;
  --brand-700:#0C4A42;
  --brand-100:#E4F1EE;
  --accent:#D97B2B;
  --accent-100:#FBEEDF;
  --alert:#B4472F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#123A34;
  --text:#1B2422;
  --text-muted:#5C6B67;
  --placeholder:#96A19D;
  --line:#E2DED3;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:999px;
  --radius-img:16px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(18,58,52,.06);
  --shadow-2:0 6px 18px rgba(18,58,52,.08);
  --shadow-3:0 16px 40px rgba(18,58,52,.12);
  --container:1200px;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;letter-spacing:.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--brand-100);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}

.brand-bar{border-bottom:1px solid var(--line);}
.brand-bar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;width:32px;height:32px;}
.brand-name{
  font-size:20px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.02em;
  line-height:1;
}

.header-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-badge);
  padding:8px 16px;
  transition:border-color .2s ease, background .2s ease;
}
.header-search:focus-within{border-color:var(--brand);background:var(--surface);}
.header-search i{color:var(--placeholder);font-size:14px;}
.header-search input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14.5px;
  color:var(--text);
}
.header-search input::placeholder{color:var(--placeholder);}

.brand-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
}
.hotline{
  font-size:14.5px;
  color:var(--text-muted);
  white-space:nowrap;
}
.hotline i{color:var(--brand);margin-right:6px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--radius-btn);
  color:var(--brand);
  font-size:17px;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand);}

.channel-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:8px 16px;
  font-size:15px;
  color:var(--text-muted);
  border-radius:var(--radius-badge);
  position:relative;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--brand-100);color:var(--brand);}
.channel.active{
  background:var(--brand-100);
  color:var(--brand);
  font-weight:600;
}
.channel.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:2px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 22px;
  font-size:15.5px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary,.btn-primary:focus{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--brand-700);
  border-color:var(--brand-700);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:var(--surface);
  color:var(--brand);
  border-color:var(--line);
}
.btn-ghost:hover{
  background:var(--brand-100);
  border-color:var(--brand);
  color:var(--brand-700);
}
.btn-on-dark{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.btn-on-dark:hover{
  background:#c26c22;
  border-color:#c26c22;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-line-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-line-light:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
.btn-sm{padding:8px 18px;min-height:40px;font-size:14.5px;}

.text-link{
  color:var(--brand);
  font-size:14.5px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-700);text-decoration-thickness:2px;}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(115deg, rgba(12,74,66,.94) 0%, rgba(18,58,52,.86) 55%, rgba(12,74,66,.72) 100%), url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 68px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(217,123,43,.22), rgba(217,123,43,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
  z-index:1;
}
.breadcrumb-line{
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.breadcrumb-line a{color:rgba(255,255,255,.86);}
.breadcrumb-line a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb-line .sep{margin:0 8px;opacity:.6;}
.breadcrumb-line .current{color:#fff;}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  border-radius:var(--radius-badge);
  padding:6px 16px;
  font-size:13.5px;
  margin-bottom:20px;
}
.hero-badge i{color:#F0B478;}

.hero-title{
  font-size:40px;
  font-weight:700;
  line-height:1.28;
  margin-bottom:18px;
}
.hero-title span{color:#F0B478;}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.9);
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-side{
  background:rgba(255,255,255,.96);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-3);
  padding:8px;
}
.hero-side-media{
  border-radius:12px;
  overflow:hidden;
  background:var(--brand-100);
}
.hero-side-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
}
.hero-side-body{padding:18px 16px 12px;}
.hero-side-title{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin-bottom:12px;
}
.hero-side-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--text-muted);
  padding:7px 0;
  border-top:1px solid var(--line);
}
.hero-side-list li:first-child{border-top:0;padding-top:0;}
.hero-side-list i{color:var(--brand);font-size:13px;margin-top:5px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:12px;
}
.section-title{
  font-size:28px;
  font-weight:600;
  margin-bottom:14px;
}
.section-sub{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.8;
}

/* ============ 筛选标签 + 网格卡片 ============ */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:32px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 18px;
  font-size:14.5px;
  border-radius:var(--radius-badge);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text-muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.filter-chip.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  font-weight:600;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.is-active:hover{color:#fff;}

.service-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.service-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:#cfd9d5;
}
.card-media{
  position:relative;
  background:var(--brand-100);
}
.card-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.card-badge{
  position:absolute;
  left:12px;top:12px;
  background:rgba(255,255,255,.92);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-badge);
}
.card-body{padding:20px 20px 8px;flex:1 1 auto;}
.card-title{
  font-size:17.5px;
  font-weight:600;
  margin-bottom:10px;
}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--brand);}
.card-text{
  font-size:14.5px;
  color:var(--text-muted);
  line-height:1.75;
  margin-bottom:14px;
}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;
  font-size:12.5px;
  color:var(--brand);
  background:var(--brand-100);
  border-radius:var(--radius-badge);
  padding:3px 11px;
}
.card-foot{
  margin-top:16px;
  padding:14px 20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--text-muted);
}
.card-foot i{color:var(--accent);margin-right:6px;}

/* ============ 混排场景 ============ */
.mix-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.mix-wide{grid-column:span 2;grid-row:span 2;position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;}
.mix-wide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.mix-wide::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(12,74,66,.15) 0%, rgba(12,74,66,.88) 78%);
}
.mix-wide-body{position:relative;padding:28px;color:#fff;}
.mix-wide-body h3{font-size:21px;margin-bottom:10px;color:#fff;}
.mix-wide-body p{font-size:14.5px;color:rgba(255,255,255,.88);max-width:460px;margin-bottom:14px;}
.mix-wide-body .text-link{color:#F0B478;}

.mix-narrow{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:12px;
  box-shadow:var(--shadow-1);
  padding:24px;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.mix-narrow:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mix-narrow .num{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.1em;
  margin-bottom:10px;
}
.mix-narrow h3{font-size:18px;margin-bottom:10px;}
.mix-narrow p{font-size:14.5px;color:var(--text-muted);margin-bottom:0;}

/* ============ 流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.flow-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:28px 28px 26px;
  display:flex;
  gap:20px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.flow-num{
  flex:0 0 auto;
  width:48px;height:48px;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand);
  font-weight:700;
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.flow-card h3{font-size:18px;margin-bottom:8px;}
.flow-card p{font-size:14.5px;color:var(--text-muted);margin-bottom:0;}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--ink);
  color:#fff;
  padding:56px 0;
}
.stat-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.stat-head h2{font-size:26px;color:#fff;}
.stat-head p{font-size:14.5px;color:rgba(255,255,255,.72);max-width:560px;margin:0;}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-item{
  padding:24px 20px;
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.stat-num{
  font-size:40px;
  font-weight:700;
  line-height:1.1;
  color:#8FD3C6;
  letter-spacing:.02em;
}
.stat-num small{font-size:17px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.78);}
.stat-label{
  font-size:14.5px;
  color:rgba(255,255,255,.9);
  margin-top:12px;
}
.stat-note{
  font-size:12px;
  color:rgba(255,255,255,.55);
  margin-top:8px;
  line-height:1.6;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-accordion .accordion-item{
  border:0;
  border-top:1px solid var(--line);
  background:var(--surface);
}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:var(--surface);
  color:var(--text);
  font-size:17px;
  font-weight:600;
  padding:22px 48px 22px 0;
  border:0;
  box-shadow:none;
  border-radius:0;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
  outline:3px solid var(--brand-100);
  outline-offset:0;
}
.faq-accordion .accordion-button::after{
  content:"+";
  background-image:none;
  width:28px;height:28px;
  font-size:20px;
  line-height:1;
  font-weight:400;
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  transition:transform .25s ease, color .25s ease, border-color .25s ease;
  transform:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  color:var(--accent);
  border-color:var(--accent);
}
.faq-accordion .accordion-body{
  padding:0 56px 24px 0;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-muted);
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand-700) 0%, var(--ink) 100%);
  color:#fff;
  padding:64px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:40px;
  align-items:center;
}
.cta-inner h2{
  font-size:28px;
  color:#fff;
  margin-bottom:14px;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,.82);
  margin-bottom:0;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}
.privacy-note{
  font-size:12.5px;
  color:rgba(255,255,255,.62);
  margin-top:20px;
  line-height:1.7;
}
.privacy-note a{color:rgba(255,255,255,.85);text-decoration:underline;text-underline-offset:3px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.7);
  line-height:1.8;
  max-width:320px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  color:#fff;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:#8FD3C6;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact i{color:#8FD3C6;margin-top:5px;font-size:13px;}
.footer-bottom{
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:#8FD3C6;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-title{font-size:34px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:991px){
  .header-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-side{max-width:520px;}
  .mix-grid{grid-template-columns:1fr;gap:16px;}
  .mix-wide{grid-column:span 1;grid-row:span 1;min-height:320px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section{padding:56px 0;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-bar-inner{min-height:60px;gap:12px;}
  .brand-name{font-size:18px;}
  .hotline{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-inner{
    position:relative;
    padding-right:48px;
    mask-image:linear-gradient(90deg,#000 82%,rgba(0,0,0,0));
    -webkit-mask-image:linear-gradient(90deg,#000 82%,rgba(0,0,0,0));
  }
  .channel-bar.is-open .channel-inner{
    flex-direction:column;
    align-items:stretch;
    padding:12px 16px 18px;
    mask-image:none;
    -webkit-mask-image:none;
    overflow:visible;
  }
  .channel-bar.is-open .channel{text-align:left;}
  .channel-bar.is-open .channel.active::after{left:16px;right:auto;width:28px;}
  .page-hero{padding:40px 0 48px;}
  .hero-title{font-size:27px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section{padding:40px 0;}
  .section-title{font-size:23px;}
  .service-grid{grid-template-columns:1fr;gap:16px;}
  .flow-grid{grid-template-columns:1fr;gap:16px;}
  .flow-card{padding:22px;gap:16px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .stat-num{font-size:32px;}
  .stat-strip{padding:44px 0;}
  .faq-accordion .accordion-button{font-size:16px;padding-right:44px;}
  .faq-accordion .accordion-body{padding-right:0;}
  .cta-band{padding:44px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .filter-row{gap:8px;}
  .filter-chip{font-size:13.5px;padding:7px 14px;}
}