/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --c-primary:#0E6E8E;
  --c-primary-dark:#0A4F66;
  --c-primary-deep:#0A3F53;
  --c-primary-light:#E6F2F6;
  --c-accent:#F2893B;
  --c-text:#1C2B36;
  --c-text-2:#5A6E7C;
  --c-text-3:#93A4B0;
  --c-border:#E2EAEF;
  --c-bg:#F6F9FB;
  --c-white:#FFFFFF;
  --c-danger:#D64545;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-1:0 2px 8px rgba(14,110,142,.06);
  --shadow-2:0 12px 28px rgba(14,110,142,.08);
  --shadow-3:0 18px 40px rgba(14,110,142,.14);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:180ms ease;
}
/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;cursor:pointer;border:0;background:none;padding:0;}
input,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(14,110,142,.18);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
/* ========== 通用组件 ========== */
.eyebrow{
  display:inline-block;font-size:12px;font-weight:500;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-light);
  border-radius:999px;padding:5px 13px;margin-bottom:16px;
}
.badge{
  display:inline-block;font-size:12px;line-height:1;font-weight:500;
  color:var(--c-primary);background:var(--c-primary-light);
  border-radius:999px;padding:6px 12px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-s);
  font-size:15px;font-weight:500;white-space:nowrap;
  border:1px solid transparent;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,110,142,.24);}
.btn--ghost{background:#fff;border-color:rgba(14,110,142,.45);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,110,142,.35);}
.link-more{font-size:14px;font-weight:500;color:var(--c-primary);border-bottom:1px solid rgba(14,110,142,.35);padding-bottom:2px;}
.link-more:hover{color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 20px;}
.tag{font-size:12px;line-height:1;color:var(--c-text-2);background:var(--c-bg);border:1px solid var(--c-border);border-radius:999px;padding:7px 13px;}
.section{padding:96px 0;}
.section--white{background:#fff;}
.section--soft{background:var(--c-bg);}
.section-head{max-width:700px;margin-bottom:48px;}
.section-head h2{font-size:30px;line-height:1.4;font-weight:700;letter-spacing:-.01em;margin:0 0 14px;}
.section-head p{margin:0;color:var(--c-text-2);font-size:16px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.section-head--row .link-more{margin-bottom:8px;flex:0 0 auto;}
/* ========== 导航 ========== */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-border);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(14,110,142,.09);}
.nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:18px;}
.nav-left{display:flex;align-items:center;gap:26px;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:26px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);padding:4px 0;white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;border-radius:2px;background:var(--c-primary);}
.brand{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary-dark);white-space:nowrap;}
.brand:hover{color:var(--c-primary);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-s);border:1px solid var(--c-border);align-items:center;justify-content:center;background:#fff;}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--c-text);position:relative;font-style:normal;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,110,142,.3);}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--c-border);padding:6px 0 22px;box-shadow:var(--shadow-2);}
.mobile-panel.is-open{display:block;}
.mobile-panel .container{display:flex;flex-direction:column;}
.mobile-link{font-size:17px;line-height:52px;font-weight:500;color:var(--c-text);border-bottom:1px solid var(--c-border);}
.mobile-link.is-active{color:var(--c-primary);}
.mobile-panel .btn{margin-top:18px;}
/* ========== Hero ========== */
.hero{position:relative;padding:78px 0 88px;background:linear-gradient(160deg,rgba(14,110,142,.08),rgba(255,255,255,0) 58%),#fff;}
.hero__row{align-items:center;}
.hero h1{font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:14px 0 18px;}
.hero__sub{font-size:17px;color:var(--c-text-2);max-width:520px;margin:0 0 30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero__stats{display:flex;border-top:1px solid var(--c-border);padding-top:24px;}
.hero__stat{flex:1;padding-right:20px;border-right:1px solid var(--c-border);}
.hero__stat:last-child{border-right:0;padding-right:0;padding-left:20px;}
.hero__stat:first-child{padding-left:0;}
.hero__stat b{display:block;font-size:26px;line-height:1.25;font-weight:700;color:var(--c-primary-dark);}
.hero__stat span{font-size:13px;color:var(--c-text-3);}
.hero__visual{position:relative;}
.hero__visual > img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-l);box-shadow:var(--shadow-3);}
.hero__card{
  position:absolute;left:-22px;bottom:30px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);box-shadow:var(--shadow-2);padding:16px 20px;min-width:212px;
}
.hero__card-title{font-size:13px;color:var(--c-text-3);margin-bottom:8px;}
.hero__card-line{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:14px;color:var(--c-text-2);line-height:2;}
.hero__card-line b{color:var(--c-primary-dark);font-weight:600;}
/* ========== 功能分组 ========== */
.feature-grid{align-items:stretch;}
.feature-main{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.feature-main > img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-main__body{padding:30px 32px 34px;}
.feature-main__body h3{font-size:20px;font-weight:700;margin-bottom:12px;}
.feature-main__body > p{color:var(--c-text-2);font-size:15px;margin-bottom:18px;}
.point-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text-2);line-height:1.9;}
.point-list li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:var(--c-primary-light);border:2px solid var(--c-primary);}
.feature-bars{display:flex;flex-direction:column;gap:16px;height:100%;}
.feature-bar{
  display:flex;gap:18px;align-items:flex-start;flex:1;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);padding:22px 22px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-bar:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.feature-bar__no{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--c-accent);
  background:rgba(242,137,59,.1);border-radius:8px;padding:4px 8px;line-height:1.4;
}
.feature-bar h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.feature-bar p{font-size:14px;color:var(--c-text-2);line-height:1.7;}
/* ========== 使用场景 ========== */
.scene-card{
  display:flex;align-items:center;gap:36px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);padding:28px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card + .scene-card{margin-top:26px;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.scene-card--reverse{flex-direction:row-reverse;}
.scene-card__media{flex:0 0 42%;}
.scene-card__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;}
.scene-card__body{flex:1 1 auto;}
.scene-card__body h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.scene-card__body p{font-size:15px;color:var(--c-text-2);margin-bottom:4px;}
/* ========== 案例 ========== */
.case-track{display:flex;gap:22px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory;}
.case-track::-webkit-scrollbar{height:6px;}
.case-track::-webkit-scrollbar-thumb{background:rgba(14,110,142,.25);border-radius:999px;}
.case-card{
  flex:0 0 calc((100% - 44px) / 3);scroll-snap-align:start;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.case-card__thumb{
  height:96px;border-radius:12px;background:linear-gradient(140deg,var(--c-primary-light),#fff);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:18px;border:1px solid var(--c-border);
}
.case-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.case-card > p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.case-card__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.case-quote{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-border);font-size:14px;color:var(--c-text-2);}
/* ========== 价格 ========== */
.plan-grid{align-items:stretch;}
.plan-card{
  position:relative;display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);padding:32px 28px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.plan-card--featured{
  border-top:4px solid var(--c-accent);box-shadow:var(--shadow-3);transform:scale(1.04);z-index:2;
}
.plan-card--featured:hover{transform:scale(1.04) translateY(-3px);}
.plan-card__badge{
  position:absolute;top:-14px;right:22px;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:500;line-height:1;border-radius:999px;padding:8px 14px;
}
.plan-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.plan-card__desc{font-size:14px;color:var(--c-text-3);margin-bottom:18px;}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:22px;}
.plan-price b{font-size:34px;font-weight:700;color:var(--c-primary-dark);line-height:1;letter-spacing:-.02em;}
.plan-price span{font-size:14px;color:var(--c-text-3);}
.plan-list{margin-bottom:26px;}
.plan-list li{position:relative;padding-left:20px;font-size:14px;line-height:2;color:var(--c-text-2);}
.plan-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.plan-card .btn{margin-top:auto;width:100%;}
.plan-note{margin-top:28px;font-size:14px;color:var(--c-text-2);text-align:center;}
.plan-note a{color:var(--c-primary);border-bottom:1px solid rgba(14,110,142,.35);}
/* ========== 最新信息 ========== */
.news-grid{align-items:stretch;}
.news-main{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3);}
.news-main__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-main__body{padding:26px 28px 30px;}
.news-main__body h3{font-size:20px;font-weight:700;line-height:1.5;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main__body p{font-size:15px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.news-time{font-size:13px;color:var(--c-text-3);}
.news-list{height:100%;display:flex;flex-direction:column;justify-content:space-between;}
.news-item{display:flex;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid var(--c-border);}
.news-item:first-child{padding-top:0;}
.news-item:last-child{border-bottom:0;padding-bottom:0;}
.news-item__date{
  flex:0 0 auto;width:82px;text-align:center;font-size:12px;line-height:1.4;color:var(--c-primary);
  background:var(--c-primary-light);border-radius:var(--radius-s);padding:10px 6px;word-break:break-all;
}
.news-item__text{flex:1 1 auto;min-width:0;}
.news-item__text a{display:block;font-size:16px;font-weight:500;line-height:1.6;margin-bottom:8px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-item:hover .news-item__text a{color:var(--c-primary);transform:translateX(2px);}
.news-item__text a{transition:color var(--ease),transform var(--ease);}
.news-empty{
  background:#fff;border:1px dashed var(--c-border);border-radius:var(--radius-m);
  padding:54px 24px;text-align:center;color:var(--c-text-2);font-size:15px;
}
.news-empty strong{display:block;font-size:17px;color:var(--c-text);margin-bottom:8px;font-weight:600;}
/* ========== FAQ ========== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-accordion{margin:0;border:0;background:transparent;}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--c-border);border-radius:12px !important;
  box-shadow:var(--shadow-1);margin-bottom:16px;overflow:hidden;
}
.faq-accordion .accordion-title{
  position:relative;font-size:17px;font-weight:500;color:var(--c-text);
  padding:20px 56px 20px 22px;border:0;background:#fff;line-height:1.6;
}
.faq-accordion .accordion-title:hover{background:#fff;color:var(--c-primary);}
.faq-accordion .accordion-title::before{display:none;}
.faq-accordion .accordion-title::after{
  content:"＋";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--c-primary);font-size:16px;line-height:1;transition:transform var(--ease);
}
.faq-accordion .accordion-title[aria-expanded="true"]::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-content{
  padding:0 22px 20px;border:0;background:#fff;color:var(--c-text-2);font-size:15px;line-height:1.85;
}
/* ========== CTA 区 ========== */
.cta-band{background:linear-gradient(150deg,var(--c-primary-dark),var(--c-primary-deep));color:#fff;padding:80px 0;}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.4;margin-bottom:12px;color:#fff;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);max-width:420px;}
.cta-form{display:block;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-m);padding:26px;}
.cta-form__row{display:flex;gap:18px;}
.cta-form__row .field{flex:1;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:8px;}
.field input{
  width:100%;height:46px;border-radius:8px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.96);color:var(--c-text);padding:0 14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--c-text-3);}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,110,142,.12);}
.cta-form .btn{width:100%;}
/* ========== 页脚 ========== */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.82);padding:72px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-logo{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand p{line-height:1.9;color:rgba(255,255,255,.72);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{line-height:2.1;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact li{color:rgba(255,255,255,.72);line-height:2.1;}
.footer-qr{
  margin-top:16px;width:104px;height:104px;border-radius:12px;border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
/* ========== 响应式 ========== */
@media (max-width:1279px){
  .container{max-width:1140px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{grid-template-columns:40px 1fr 40px;height:64px;}
  .brand{justify-self:center;font-size:18px;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:32px;}
  .hero__visual{margin-top:44px;}
  .hero__card{left:12px;bottom:16px;}
  .section-head{margin-bottom:36px;}
  .section-head h2{font-size:24px;}
  .scene-card{gap:24px;padding:22px;}
  .scene-card__media{flex:0 0 46%;}
  .case-card{flex:0 0 calc((100% - 22px) / 2);}
  .plan-card--featured{transform:none;}
  .plan-card--featured:hover{transform:translateY(-3px);}
  .plan-card + .plan-card{margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .hero h1{font-size:28px;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero__stats{flex-direction:column;gap:18px;border-top:1px solid var(--c-border);}
  .hero__stat{border-right:0;padding:0 !important;border-bottom:1px solid var(--c-border);padding-bottom:14px !important;}
  .hero__stat:last-child{border-bottom:0;padding-bottom:0 !important;}
  .scene-card,.scene-card--reverse{flex-direction:column;align-items:flex-start;gap:20px;}
  .scene-card__media{flex:1 1 auto;width:100%;}
  .case-card{flex:0 0 86%;}
  .cta-form__row{flex-direction:column;gap:0;}
  .cta-band h2{font-size:23px;}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:25px;}
  .feature-main__body{padding:24px 22px 28px;}
  .plan-card{padding:26px 22px;}
  .news-main__body{padding:22px 20px 26px;}
  .cta-form{padding:20px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E6E8E;
  --brand-dark:#0A4F66;
  --brand-light:#E6F2F6;
  --brand-soft:rgba(14,110,142,.30);
  --accent:#F2893B;
  --text:#1C2B36;
  --text-2:#5A6E7C;
  --text-3:#93A4B0;
  --border:#E2EAEF;
  --page:#F6F9FB;
  --card:#FFFFFF;
  --danger:#D64545;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(14,110,142,.06);
  --shadow-2:0 12px 28px rgba(14,110,142,.08);
  --shadow-3:0 18px 40px rgba(14,110,142,.14);
  --container:1200px;
  --gutter:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:700;color:var(--text);line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(14,110,142,.08);}
.nav-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  column-gap:24px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:26px;justify-self:end;}
.brand{
  justify-self:center;
  font-size:20px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--brand-dark);
  white-space:nowrap;
}
.brand:hover{color:var(--brand);}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);font-weight:700;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#fff;
  cursor:pointer;
  position:relative;
}
.nav-toggle i,
.nav-toggle i::before,
.nav-toggle i::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:var(--brand-dark);
  border-radius:2px;
  content:"";
  transform:translateX(-50%);
}
.nav-toggle i{top:50%;margin-top:-1px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.nav-drawer{
  display:none;
  border-top:1px solid var(--border);
  background:#fff;
  padding:8px 0 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  font-size:17px;
  line-height:52px;
  color:var(--text);
  border-bottom:1px solid var(--border);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer .btn{margin-top:14px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,110,142,.20);}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,110,142,.28);}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand-soft);}
.btn--ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn--accent{background:var(--accent);color:#fff;}
.btn--accent:hover{background:#dd7727;color:#fff;transform:translateY(-1px);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* ---------- 页头 Banner ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  background:
    repeating-linear-gradient(135deg,rgba(14,110,142,.055) 0 2px,transparent 2px 12px),
    linear-gradient(160deg,var(--brand-light) 0%,#ffffff 78%);
  border-bottom:1px solid var(--border);
}
.page-banner .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:16px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:500;
  margin-bottom:14px;
}
.page-banner h1{
  font-size:36px;
  line-height:1.3;
  margin-bottom:12px;
}
.page-banner .banner-sub{
  max-width:720px;
  font-size:16px;
  color:var(--text-2);
  margin:0;
}
.banner-facts{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:22px;
}
.banner-facts div{
  font-size:14px;
  color:var(--text-2);
}
.banner-facts strong{
  display:block;
  font-size:22px;
  color:var(--brand-dark);
  font-weight:700;
  line-height:1.2;
}

/* ---------- 主体布局 ---------- */
.main-wrap{padding:64px 0 72px;}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.doc{min-width:0;}
.doc-block{
  padding:36px 0;
  border-bottom:1px solid var(--border);
}
.doc-block:first-child{padding-top:0;}
.doc-block:last-child{border-bottom:0;padding-bottom:0;}
.doc-block h2{
  position:relative;
  font-size:26px;
  padding-left:16px;
  margin-bottom:18px;
}
.doc-block h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.doc-block h3{
  font-size:19px;
  margin:26px 0 12px;
  color:var(--brand-dark);
}
.doc-block p{color:var(--text-2);}
.doc-block p strong{color:var(--text);}
.block-lead{
  font-size:16px;
  color:var(--text-2);
  margin-bottom:20px;
}
.check-list{margin:18px 0 0;}
.check-list li{
  position:relative;
  padding:8px 0 8px 30px;
  color:var(--text-2);
  border-bottom:1px dashed var(--border);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:16px;
  width:16px;height:16px;
  border-radius:5px;
  background:var(--brand-light);
  border:1px solid var(--brand-soft);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:5px;top:20px;
  width:6px;height:3px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.doc-figure{
  margin:26px 0 0;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.doc-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
}
.doc-figure figcaption{
  padding:12px 18px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--border);
}
.step-list{margin:20px 0 0;counter-reset:step;}
.step-list li{
  position:relative;
  padding:0 0 22px 56px;
  color:var(--text-2);
}
.step-list li:last-child{padding-bottom:0;}
.step-list li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:2px;
  width:38px;height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:14px;
  font-weight:700;
}
.step-list li::after{
  content:"";
  position:absolute;
  left:19px;top:44px;bottom:2px;
  width:1px;
  background:var(--border);
}
.step-list li:last-child::after{display:none;}
.step-list strong{
  display:block;
  color:var(--text);
  font-size:17px;
  margin-bottom:4px;
}
.entry-list{margin:16px 0 0;}
.entry-list li{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  padding:16px 0;
  border-top:1px solid var(--border);
}
.entry-list li:last-child{border-bottom:1px solid var(--border);}
.entry-list .ico{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:18px;
}
.entry-list strong{
  display:block;
  font-size:17px;
  color:var(--text);
  margin-bottom:2px;
}
.entry-list span{
  display:block;
  font-size:15px;
  color:var(--text-2);
  line-height:1.7;
}
.scene-row{
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:22px;
  padding:18px 0;
  border-top:1px solid var(--border);
}
.scene-row:last-child{border-bottom:1px solid var(--border);}
.scene-row .scene-name{
  font-size:16px;
  font-weight:700;
  color:var(--brand-dark);
}
.scene-row p{margin:0;color:var(--text-2);font-size:15px;}

/* ---------- 右侧锚点 ---------- */
.side{position:relative;}
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:22px;
  margin-bottom:20px;
}
.side-card h3{
  font-size:15px;
  color:var(--text-3);
  font-weight:500;
  letter-spacing:.04em;
  margin-bottom:12px;
}
.side-nav a{
  display:block;
  padding:9px 12px;
  border-radius:var(--radius-sm);
  font-size:15px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.side-nav a:hover,
.side-nav a.is-active{
  background:var(--brand-light);
  color:var(--brand-dark);
  border-left-color:var(--brand);
  padding-left:16px;
}
.side-cta{background:linear-gradient(160deg,var(--brand-light),#fff);}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.side-cta .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:var(--brand-soft);}
.faq-item summary{
  position:relative;
  cursor:pointer;
  list-style:none;
  padding:18px 52px 18px 20px;
  font-size:17px;
  font-weight:500;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:24px;height:24px;
  line-height:22px;
  text-align:center;
  font-size:18px;
  color:var(--brand);
  border:1px solid var(--brand-soft);
  border-radius:50%;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand-light);transform:translateY(-50%) rotate(180deg);}
.faq-body{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  border-top:1px solid var(--border);
  padding-top:16px;
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark) 0%,var(--brand) 100%);
  color:#fff;
  border-radius:18px;
  padding:44px 40px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  box-shadow:var(--shadow-3);
  margin-top:20px;
}
.cta-band h2{
  color:#fff;
  font-size:26px;
  margin-bottom:8px;
}
.cta-band p{
  color:rgba(255,255,255,.82);
  margin:0;
  font-size:15px;
}
.cta-band .btn--accent{box-shadow:0 10px 24px rgba(0,0,0,.18);}

/* ---------- 表单 ---------- */
.form-panel{
  margin-top:26px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:26px;
}
.form-panel h3{font-size:19px;margin-bottom:6px;color:var(--text);}
.form-panel .hint{font-size:14px;color:var(--text-3);margin-bottom:18px;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--text-2);}
.field input,.field textarea{
  height:46px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,110,142,.12);
}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0A3F53;
  color:#fff;
  margin-top:72px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-logo{
  font-size:20px;
  font-weight:700;
  margin-bottom:12px;
  color:#fff;
}
.footer-brand p{
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:1.8;
  margin:0;
}
.site-footer h3{
  font-size:15px;
  color:#fff;
  margin-bottom:14px;
  font-weight:700;
}
.footer-links li,.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.9;
}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-qr{
  margin-top:14px;
  width:96px;height:96px;
  border-radius:12px;
  border:1px dashed rgba(255,255,255,.3);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
}
.footer-bottom p{
  margin:0;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .container{max-width:1240px;}
}
@media (max-width:1023px){
  :root{--gutter:24px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side{order:2;}
  .side-sticky{position:static;}
  .page-banner h1{font-size:30px;}
  .main-wrap{padding:48px 0 56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:36px 28px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:900px){
  .nav-inner{grid-template-columns:auto 1fr auto;height:64px;column-gap:12px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:block;justify-self:start;}
  .brand{justify-self:center;font-size:18px;}
  .nav-inner .btn--sm{display:none;}
}
@media (max-width:767px){
  .page-banner .container{padding-top:32px;padding-bottom:32px;}
  .page-banner h1{font-size:24px;}
  .banner-facts{gap:18px;}
  .banner-facts strong{font-size:19px;}
  .doc-block h2{font-size:21px;}
  .doc-block h3{font-size:17px;}
  .scene-row{grid-template-columns:minmax(0,1fr);gap:6px;}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  :root{--gutter:20px;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .faq-item summary{font-size:16px;padding:16px 48px 16px 16px;}
  .doc-figure img{aspect-ratio:4/3;}
}

/* roulang page: article */
:root{
  --brand:#0E6E8E;
  --brand-dark:#0A4F66;
  --brand-light:#E6F2F6;
  --accent:#F2893B;
  --text:#1C2B36;
  --text-2:#5A6E7C;
  --text-3:#93A4B0;
  --border:#E2EAEF;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --danger:#D64545;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(14,110,142,.06);
  --shadow-md:0 12px 28px rgba(14,110,142,.08);
  --shadow-lg:0 18px 40px rgba(10,79,102,.14);
  --gutter:32px;
  --section-y:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
@media (min-width:1280px){.container{max-width:1240px;}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,110,142,.09);}
.nav-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:22px;justify-self:end;}
.brand{
  font-size:19px;font-weight:700;color:var(--brand-dark);
  white-space:nowrap;letter-spacing:-.02em;
}
.brand:hover{color:var(--brand);}
.nav-link{
  position:relative;
  font-size:15px;color:var(--text-2);padding:6px 0;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand-dark);font-weight:500;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
  padding:0;
}
.nav-toggle i{
  position:relative;display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;
}
.nav-toggle i::before,
.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;
}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,110,142,.24);}
.btn--ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn--ghost:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn--light{background:#fff;color:var(--brand-dark);}
.btn--light:hover{background:#EAF6FA;color:var(--brand-dark);transform:translateY(-1px);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn--block{width:100%;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 面包屑与文章头部 */
.article-hero{
  background:linear-gradient(160deg,rgba(14,110,142,.07),rgba(255,255,255,0) 70%);
  border-bottom:1px solid var(--border);
  padding:36px 0 30px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C6D3DB;}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:34px;line-height:1.38;font-weight:700;
  max-width:900px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge--accent{background:rgba(242,137,59,.14);color:#B75E1C;}

/* 文章主体布局 */
.article-wrap{padding:52px 0 76px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:40px 44px;
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.5;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  background:var(--brand);border-radius:3px;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--brand-dark);margin:28px 0 12px;}
.article-body ul{list-style:disc;padding-left:1.4em;margin:0 0 1.2em;}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body img{border-radius:12px;margin:22px 0;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--brand-light);border-radius:0 10px 10px 0;color:var(--brand-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{
  background:#EEF3F6;border-radius:6px;padding:2px 6px;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;color:var(--brand-dark);
}
.article-body pre{
  background:#F1F5F7;border:1px solid var(--border);border-radius:12px;
  padding:18px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:transparent;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:15px;
}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:500;text-align:left;padding:12px 14px;}
.article-body td{padding:12px 14px;border-top:1px solid var(--border);}
.article-body tr:nth-child(even) td{background:#FAFCFD;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}

.article-tags{
  max-width:760px;margin:40px auto 0;padding-top:24px;
  border-top:1px dashed var(--border);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.article-tags .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:999px;border:1px solid var(--border);background:#fff;
  font-size:13px;color:var(--text-2);
}
.tag:hover{border-color:rgba(14,110,142,.35);color:var(--brand);background:var(--brand-light);}

/* 空状态 */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:48px 20px 36px;
}
.empty-state .icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);margin-bottom:24px;}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:block;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:24px;margin-bottom:22px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:16px;}
.side-card h3 i{color:var(--brand);margin-right:8px;}
.side-list li{
  padding:12px 0;border-bottom:1px solid var(--border);
}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list li:first-child{padding-top:0;}
.side-list a{display:block;font-size:15px;color:var(--text);line-height:1.6;}
.side-list a:hover{color:var(--brand);transform:translateX(2px);}
.side-list .meta{font-size:12px;color:var(--text-3);margin-top:4px;}
.side-card--consult{
  background:linear-gradient(160deg,#0E6E8E,#0A4F66);
  border-color:transparent;color:rgba(255,255,255,.86);
  box-shadow:var(--shadow-md);
}
.side-card--consult h3{color:#fff;}
.side-card--consult p{font-size:14px;line-height:1.8;margin-bottom:18px;}
.side-card--consult .btn{color:var(--brand-dark);}
.side-form label{display:block;font-size:14px;color:var(--text-2);margin:0 0 6px;}
.side-form input{
  width:100%;height:46px;padding:0 14px;margin-bottom:14px;
  border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.side-form input::placeholder{color:var(--text-3);}
.side-form input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,110,142,.12);
}
.side-form .form-hint{font-size:12px;color:var(--text-3);margin:10px 0 0;}

/* 板块 */
.section{padding:var(--section-y) 0;}
.section--white{background:#fff;}
.section--tint{background:var(--brand-light);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:500;color:var(--brand);
  letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase;
}

/* 推荐卡 */
.reco-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.reco-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(14,110,142,.3);}
.reco-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EAF2F6;}
.reco-card .thumb img{width:100%;height:100%;object-fit:cover;}
.reco-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.reco-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;}
.reco-card p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.reco-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--text-3);
}
.reco-card .more{color:var(--brand);font-weight:500;}
.reco-card:hover h3{color:var(--brand-dark);}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:17px;font-weight:500;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;color:var(--brand);transition:transform .2s ease;
  line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* CTA 条 */
.cta-band{
  background:linear-gradient(160deg,#0E6E8E,#0A3F53);
  border-radius:20px;padding:48px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.78);margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* 页脚 */
.site-footer{background:#0A3F53;color:rgba(255,255,255,.76);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-logo{color:#fff;font-size:19px;font-weight:700;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;margin:0;}
.footer-col h3{color:#fff;font-size:15px;font-weight:500;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.76);}
.footer-links a:hover{color:#fff;}
.footer-contact li{font-size:14px;margin-bottom:10px;}
.footer-qr{
  width:96px;height:96px;border-radius:10px;margin-top:16px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.8);
}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom p{margin:0;}

/* 响应式 */
@media (max-width:1023px){
  :root{--gutter:24px;--section-y:72px;}
  .nav-inner{grid-template-columns:44px 1fr auto;height:64px;gap:12px;}
  .nav-toggle{display:flex;}
  .brand{font-size:17px;justify-self:center;}
  .nav-left,.nav-right{
    display:none;
  }
  .nav-inner.is-open .nav-left,
  .nav-inner.is-open .nav-right{
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    position:absolute;top:64px;left:calc(-1 * var(--gutter));right:calc(-1 * var(--gutter));
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 18px 32px rgba(10,79,102,.12);
    padding:10px var(--gutter) 20px;z-index:90;
  }
  .nav-inner.is-open .nav-link{
    width:100%;font-size:17px;line-height:52px;padding:0;border-bottom:1px solid var(--border);
  }
  .nav-inner.is-open .nav-link.is-active::after{display:none;}
  .nav-inner.is-open .nav-right .btn{width:100%;margin-top:16px;height:46px;font-size:15px;}
  body.nav-open{overflow:hidden;}
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-side{position:static;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .article-title{font-size:28px;}
}
@media (max-width:640px){
  :root{--gutter:20px;--section-y:56px;}
  .article-hero{padding:24px 0 22px;}
  .article-title{font-size:24px;}
  .article-card{padding:24px 18px;}
  .article-wrap{padding:36px 0 56px;}
  .section-head h2{font-size:22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .breadcrumb .current{max-width:200px;}
}

/* roulang page: category2 */
:root{
  --primary:#0E6E8E;
  --primary-dark:#0A4F66;
  --primary-light:#E6F2F6;
  --accent:#F2893B;
  --accent-dark:#DA7528;
  --text:#1C2B36;
  --text-2:#5A6E7C;
  --text-3:#93A4B0;
  --border:#E2EAEF;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --deep:#0A3F53;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(14,110,142,.06);
  --shadow-2:0 12px 28px rgba(14,110,142,.08);
  --shadow-3:0 18px 40px rgba(14,110,142,.14);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}

h1{font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.5;font-weight:700}
h4{font-size:17px;line-height:1.6;font-weight:500}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--white{background:#fff}
.section--tint{background:var(--primary-light)}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:var(--radius-pill);
  padding:5px 14px;
  margin-bottom:16px;
}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{color:var(--text-2);margin-top:14px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn--outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn--outline:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,137,59,.28)}
.btn--accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,110,142,.09)}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:26px;justify-self:end}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  border-bottom:2px solid transparent;
}
.nav-link:hover{color:var(--primary);border-bottom-color:rgba(14,110,142,.35)}
.nav-link.is-active{color:var(--primary-dark);font-weight:500;border-bottom-color:var(--primary)}
.brand{
  font-size:20px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--primary-dark);
  white-space:nowrap;
}
.brand:hover{color:var(--primary)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  justify-self:end;
  position:relative;
}
.nav-toggle i,.nav-toggle i::before,.nav-toggle i::after{
  position:absolute;
  left:50%;
  width:20px;
  height:2px;
  background:var(--primary-dark);
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
  content:"";
}
.nav-toggle i{top:50%;transform:translate(-50%,-50%)}
.nav-toggle i::before{top:-6px;left:0;transform:translate(0,-50%)}
.nav-toggle i::after{top:6px;left:0;transform:translate(0,-50%)}
body.nav-open .nav-toggle i{background:transparent}
body.nav-open .nav-toggle i::before{transform:translate(0,-50%) rotate(45deg);top:0}
body.nav-open .nav-toggle i::after{transform:translate(0,-50%) rotate(-45deg);top:0}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:10px 20px 22px}
body.nav-open .mobile-menu{display:block}
.mobile-menu a{
  display:block;
  font-size:17px;
  line-height:52px;
  color:var(--text);
  border-bottom:1px solid var(--border);
}
.mobile-menu a.is-active{color:var(--primary);font-weight:500}
.mobile-menu .btn{width:100%;margin-top:18px;line-height:1;border-bottom:0}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(160deg,rgba(14,110,142,.10),rgba(255,255,255,.2) 60%),#fff;
  border-bottom:1px solid var(--border);
  padding:56px 0 52px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(14,110,142,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(14,110,142,.07) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.page-hero h1{max-width:820px}
.page-hero .hero-sub{margin-top:16px;max-width:720px;color:var(--text-2);font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:7px 13px;
  border-radius:var(--radius-pill);
  background:var(--primary-light);
  color:var(--primary);
  font-weight:500;
}
.badge--accent{background:rgba(242,137,59,.14);color:var(--accent-dark)}

/* ---------- anchor chips ---------- */
.anchor-bar{
  position:sticky;
  top:72px;
  z-index:40;
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:14px 0;
}
.anchor-list{display:flex;flex-wrap:wrap;gap:10px}
.anchor-list a{
  font-size:14px;
  padding:8px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  background:#fff;
  color:var(--text-2);
  transition:all .18s ease;
}
.anchor-list a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ---------- card matrix ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.info-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,142,.3)}
.info-card h3{margin-bottom:14px}
.info-card p{color:var(--text-2);font-size:15px}
.info-card p + p{margin-top:12px}
.info-card figure{margin:0 0 22px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.info-card figure img{width:100%;aspect-ratio:16/9;border-radius:12px}
.card-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:700;
  font-size:14px;
  margin-bottom:16px;
}
.point-list{margin-top:18px;display:grid;gap:10px}
.point-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--text-2);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:12px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
}
.point-list li strong{color:var(--text);font-weight:500}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-1);
}
.table-wrap table{min-width:760px}
.table-wrap th{
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
.table-wrap td{
  padding:16px 20px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.table-wrap tbody tr:nth-child(even){background:#FAFCFD}
.table-wrap tbody tr:last-child td{border-bottom:0}
.table-wrap td:first-child{color:var(--text);font-weight:500}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step .step-index{
  font-size:26px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:-.02em;
  display:block;
  margin-bottom:10px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- split feature ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:52px;
  align-items:center;
}
.split--reverse .split-media{order:2}
.split-media{
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:#fff;
}
.split-media img{width:100%;aspect-ratio:4/3;border-radius:var(--radius)}
.split-body h2{margin-bottom:18px}
.split-body p{color:var(--text-2)}
.split-body p + p{margin-top:14px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.stat{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
}
.stat b{display:block;font-size:24px;color:var(--primary-dark);line-height:1.3}
.stat span{font-size:13px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,110,142,.3);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  font-size:17px;
  font-weight:500;
  text-align:left;
  color:var(--text);
}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary);
  font-size:16px;
  line-height:26px;
  text-align:center;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- form ---------- */
.consult{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:52px;
  align-items:start;
}
.form-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow-2);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(14,110,142,.12);
  outline:none;
}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px}
.form-card .btn{width:100%}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--deep);
  color:#fff;
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px}
.cta-inner p{color:rgba(255,255,255,.75);margin-top:10px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#fff;padding:72px 0 28px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-logo{font-size:20px;font-weight:700;margin-bottom:14px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.85}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.7);
  line-height:1.7;
}
.footer-links a:hover{color:#fff}
.footer-contact li{margin-bottom:10px}
.footer-qr{
  margin-top:16px;
  width:104px;
  height:104px;
  border-radius:12px;
  border:1px dashed rgba(255,255,255,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

@media (max-width:1279px){
  .container{max-width:1160px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-left,.nav-right{display:none}
  .nav-inner{grid-template-columns:auto 1fr auto;height:64px;padding:0 20px;gap:12px}
  .brand{justify-self:center;font-size:18px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .anchor-bar{top:64px}
  .section{padding:72px 0}
  .section--tight{padding:52px 0}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split-media{order:0}
  .consult{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  h1{font-size:32px}
  h2{font-size:24px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  h1{font-size:28px}
  h2{font-size:22px}
  .page-hero{padding:38px 0 34px}
  .page-hero .hero-sub{font-size:15px}
  .info-card{padding:24px}
  .steps{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .btn{width:100%}
  .nav-inner .btn--sm{width:auto}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .anchor-bar{position:static}
  .table-wrap table{min-width:640px}
}