/* roulang page: index */
:root{
  --c-primary:#1B1440;
  --c-primary-soft:#2A2158;
  --c-accent:#00C48C;
  --c-accent-dark:#00A576;
  --c-accent2:#FF6B35;
  --c-bg:#F5F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E6E7F0;
  --t-title:#14122B;
  --t-body:#4A4A5C;
  --t-muted:#8A8AA3;
  --t-invert:#EDEDF5;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 14px 34px rgba(20,18,43,.10);
  --sec-y:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{color:var(--t-title);margin:0;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--c-surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:600;
  color:var(--c-accent-dark);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;}
.section-lead{margin-top:12px;max-width:660px;color:var(--t-body);font-size:16px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:15px;white-space:nowrap;
  color:var(--c-primary);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* 按钮 */
.btn{
  border-radius:var(--r-btn);
  font-weight:600;
  padding:13px 26px;
  border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  display:inline-flex;align-items:center;gap:9px;
  line-height:1.2;
}
.btn-primary, .btn-primary:focus{
  background:var(--c-accent);border-color:var(--c-accent);color:#fff;
  box-shadow:0 6px 18px rgba(0,196,140,.24);
}
.btn-primary:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,196,140,.30);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(27,20,64,.06);color:var(--c-primary);transform:translateY(-2px);}
.btn-dark{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-soft);color:#fff;transform:translateY(-2px);}
.btn-light-outline{background:transparent;border-color:rgba(237,237,245,.5);color:#fff;}
.btn-light-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-lg{padding:15px 32px;font-size:17px;}

/* 顶部信息条 */
.topbar{background:var(--c-primary);color:var(--t-invert);min-height:40px;display:flex;align-items:center;font-size:13.5px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:1240px;margin:0 auto;padding:8px 24px;}
.topbar-text{display:flex;align-items:center;gap:9px;color:#C9C7DC;margin:0;}
.topbar-text i{color:var(--c-accent);}
.topbar-link{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:7px;}
.topbar-link:hover{color:var(--c-accent);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,18,43,.04);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px;}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand-mark{font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.01em;}
.brand-sub{font-size:11.5px;color:var(--t-muted);letter-spacing:.22em;font-weight:500;}
.brand:hover .brand-mark{color:var(--c-accent-dark);}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15.5px;font-weight:500;color:var(--t-body);
  border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(27,20,64,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta .btn{padding:11px 22px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{
  background:
    radial-gradient(circle at 12% 18%, rgba(0,196,140,.10), transparent 42%),
    linear-gradient(180deg,#FFFFFF 0%, #F5F6FA 100%);
  padding:72px 0 84px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(27,20,64,.06) 1px, transparent 1px);
  background-size:18px 18px;
  opacity:.5;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  min-height:560px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--c-primary);
  box-shadow:var(--sh-1);
}
.hero-tag i{color:var(--c-accent);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--c-accent-dark);}
.hero-sub{font-size:17px;max-width:560px;color:var(--t-body);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;padding-top:24px;
  border-top:1px solid var(--c-line);
}
.hero-fact{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--t-body);font-weight:500;}
.hero-fact i{color:var(--c-accent2);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--sh-2);position:relative;
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(20,18,43,.05),rgba(20,18,43,.32));
}
.hero-badge{
  position:absolute;left:-18px;bottom:28px;z-index:2;
  background:#fff;border-radius:14px;padding:16px 20px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:14px;border-top:1px solid var(--c-line);
}
.hero-badge-num{
  font-size:34px;font-weight:800;color:var(--c-accent2);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-badge-text{font-size:13.5px;line-height:1.5;color:var(--t-body);}

/* 服务板块 */
.split{display:grid;grid-template-columns:430px 1fr;gap:56px;align-items:start;}
.split-aside{position:sticky;top:104px;}
.split-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.aside-card{
  margin-top:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:18px;margin-bottom:10px;}
.aside-card p{font-size:14.5px;color:var(--t-body);}
.num-list{border-top:1px solid var(--c-line);}
.num-item{
  display:grid;grid-template-columns:66px 1fr;gap:20px;
  padding:28px 8px 28px 0;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease,padding .2s ease;
}
.num-item:hover{background:#fff;padding-left:16px;}
.num{
  font-size:26px;font-weight:800;color:var(--c-accent2);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.num-item h3{font-size:19px;margin-bottom:8px;}
.num-item p{font-size:15px;}

/* 数据板块 */
.stats{background:var(--c-primary);color:var(--t-invert);padding:76px 0;}
.stats-head{max-width:640px;margin-bottom:48px;}
.stats-head h2{color:#fff;font-size:clamp(24px,3vw,34px);}
.stats-head p{color:#B9B6CE;margin-top:12px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:8px 28px;border-left:1px solid rgba(237,237,245,.16);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:clamp(32px,4vw,46px);font-weight:800;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:18px;font-weight:600;color:var(--c-accent);margin-left:4px;}
.stat-label{margin-top:10px;font-weight:600;color:#fff;font-size:15.5px;}
.stat-desc{margin-top:6px;font-size:14px;color:#A9A6C2;}

/* 案例 */
.cases{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.case-main,.case-thumb{position:relative;overflow:hidden;border-radius:var(--r-card);display:block;}
.case-main img{width:100%;height:100%;min-height:430px;object-fit:cover;transition:transform .5s ease;}
.case-thumb img{width:100%;height:100%;min-height:134px;object-fit:cover;transition:transform .5s ease;}
.case-thumb{flex:1;}
.case-thumbs{display:flex;flex-direction:column;gap:24px;}
.case-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px;color:#fff;
  background:linear-gradient(180deg,rgba(20,18,43,0) 34%,rgba(20,18,43,.82) 100%);
  transition:background .3s ease;
}
.case-main .case-overlay{padding:34px;}
.case-title{font-size:18px;font-weight:700;color:#fff;transform:translateY(8px);transition:transform .3s ease;}
.case-main .case-title{font-size:23px;}
.case-desc{font-size:14px;color:#D6D4E4;opacity:0;max-height:0;overflow:hidden;transition:opacity .3s ease,max-height .3s ease,transform .3s ease;transform:translateY(8px);}
.case-main:hover img,.case-thumb:hover img{transform:scale(1.05);}
.case-main:hover .case-title,.case-thumb:hover .case-title{transform:translateY(0);}
.case-main:hover .case-desc,.case-thumb:hover .case-desc{opacity:1;max-height:80px;transform:translateY(0);margin-top:8px;}

/* 分类入口卡 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;display:flex;flex-direction:column;gap:16px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,196,140,.4);}
.topic-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,196,140,.12);color:var(--c-accent-dark);font-size:20px;
}
.topic-card h3{font-size:20px;}
.topic-card p{font-size:15px;flex:1;}
.topic-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;}
.topic-link i{transition:transform .2s ease;}
.topic-card:hover .topic-link i{transform:translateX(5px);}
.topic-card:hover .topic-link{color:var(--c-accent-dark);}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-card-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEFF6;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{
  font-size:18px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14.5px;color:var(--t-body);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.news-meta{
  display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--t-muted);
}
.badge-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--c-accent-dark);background:rgba(0,196,140,.12);
}
.news-meta i{margin-left:auto;color:var(--c-accent);}
.news-empty{
  grid-column:1/-1;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--t-muted);padding:28px;
}
.news-empty i{font-size:26px;color:var(--c-accent);}
.empty-line{width:120px;height:8px;border-radius:6px;background:linear-gradient(90deg,#EAEAF3,#F5F5FA);}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0;
}
.accordion-button{
  background:transparent;box-shadow:none;color:var(--t-title);
  font-size:17px;font-weight:600;padding:22px 48px 22px 0;position:relative;
  border-radius:0;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-4px;}
.accordion-button::after{
  content:"";width:2px;height:14px;background:var(--c-accent);
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background-image:none;transition:transform .25s ease,opacity .25s ease;
}
.accordion-button::before{
  content:"";width:14px;height:2px;background:var(--c-accent);
  position:absolute;right:2px;top:50%;transform:translateY(-50%);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.accordion-button:not(.collapsed)::before{background:var(--c-accent-dark);}
.accordion-item:has(.accordion-button:not(.collapsed)){box-shadow:inset 3px 0 0 var(--c-accent);padding-left:18px;}
.accordion-body{padding:0 48px 26px 0;font-size:15.5px;color:var(--t-body);}

/* 联系 */
.contact{background:var(--c-surface);}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-card .form-note{font-size:14.5px;color:var(--t-muted);margin-bottom:24px;}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--t-title);margin-bottom:8px;}
.form-control{
  height:48px;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 16px;width:100%;color:var(--t-title);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:128px;padding:14px 16px;resize:vertical;}
.form-control:focus{
  border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(0,196,140,.18);outline:none;
}
.form-control::placeholder{color:#B4B3C6;}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;font-size:14.5px;
  background:rgba(0,196,140,.10);color:var(--c-accent-dark);border:1px solid rgba(0,196,140,.28);
}
.form-msg.show{display:block;}
.contact-info{display:flex;flex-direction:column;gap:20px;}
.info-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);
}
.info-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--c-line);}
.info-item:last-child{border-bottom:0;padding-bottom:0;}
.info-item:first-child{padding-top:0;}
.info-icon{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,107,53,.12);color:var(--c-accent2);
}
.info-item h4{font-size:15px;margin-bottom:4px;}
.info-item p{font-size:14.5px;}
.map-box{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);position:relative;
}
.map-box img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.map-box span{
  position:absolute;left:16px;bottom:16px;background:rgba(27,20,64,.86);color:#fff;
  font-size:13px;padding:7px 14px;border-radius:999px;
}

/* 页脚 */
.site-footer{background:var(--c-primary);color:var(--t-invert);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-mark{color:#fff;font-size:21px;}
.footer-brand .brand-sub{color:#8F8BAA;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:#B3B0C8;max-width:320px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#B3B0C8;font-size:14.5px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;color:#B3B0C8;font-size:14.5px;margin-bottom:12px;align-items:flex-start;}
.footer-contact i{color:var(--c-accent);margin-top:5px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(237,237,245,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:#8F8BAA;flex-wrap:wrap;
}
.footer-bottom a{color:#8F8BAA;}
.footer-bottom a:hover{color:var(--c-accent);}

@media (max-width:1199px){
  :root{--sec-y:84px;}
  .split{grid-template-columns:360px 1fr;gap:40px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--c-line);
    flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 20px;
    box-shadow:0 18px 30px rgba(20,18,43,.10);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:14px 6px;border-radius:0;border-bottom:1px solid var(--c-line);}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--c-accent-dark);}
  .nav-cta{display:none;}
  .hero{padding:48px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:auto;}
  .hero-media{order:2;}
  .hero-badge{left:16px;bottom:16px;padding:12px 16px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-aside{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .cases{grid-template-columns:1fr;}
  .case-main img{min-height:300px;}
  .topic-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (max-width:575px){
  :root{--sec-y:54px;}
  .container{padding:0 18px;}
  .topbar-text{display:none;}
  .topbar-inner{justify-content:flex-end;padding:8px 18px;}
  .hero h1{margin:16px 0 14px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-facts{gap:10px 18px;}
  .topic-grid,.news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;gap:24px;}
  .stat{border-left:0;padding:0 0 20px;border-bottom:1px solid rgba(237,237,245,.16);}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .num-item{grid-template-columns:48px 1fr;gap:14px;padding:22px 0;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B1440;
  --c-primary-soft:rgba(27,20,64,.06);
  --c-accent:#00C48C;
  --c-accent-dark:#00A97A;
  --c-accent2:#FF6B35;
  --c-bg:#F5F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E6E7F0;
  --t-title:#14122B;
  --t-body:#4A4A5C;
  --t-muted:#8A8AA3;
  --t-dark:#EDEDF5;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 14px 34px rgba(20,18,43,.10);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
h1,h2,h3,h4{margin:0;color:var(--t-title);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(0,196,140,.24);}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,196,140,.30);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);border-color:#fff;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-primary);}
.link-arrow i{transition:transform .22s ease;font-size:13px;}
.link-arrow:hover{color:var(--c-accent);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 10px rgba(20,18,43,.04);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  flex-wrap:wrap;
}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand-mark{font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.4px;}
.brand-sub{font-size:11px;letter-spacing:3px;color:var(--t-muted);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--t-body);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:#F1F2F8;}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;
  background:var(--c-accent);
}
.nav-cta{margin-left:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  margin-left:auto;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--t-muted);flex-wrap:wrap;}
.crumb a{color:var(--t-muted);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{color:#C6C7D6;}
.crumb .now{color:var(--t-title);font-weight:600;}

/* ---------- 窄 Hero ---------- */
.cat-hero{
  position:relative;
  background-color:var(--c-primary);
  background-image:linear-gradient(100deg,rgba(27,20,64,.94) 0%,rgba(27,20,64,.86) 48%,rgba(27,20,64,.70) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:64px 0 56px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-60px;
  width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:10px 10px;
  opacity:.5;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;
  color:var(--t-dark);
}
.tag i{color:var(--c-accent);font-size:12px;}
.cat-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.5px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:rgba(237,237,245,.86);
  max-width:680px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta div{display:flex;flex-direction:column;gap:2px;}
.hero-meta strong{color:#fff;font-size:19px;font-weight:700;}
.hero-meta span{font-size:13px;color:rgba(237,237,245,.66);}

/* ---------- 主体两栏 ---------- */
.main-body{padding:72px 0 0;}
.layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.toc{
  position:sticky;
  top:96px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;
  letter-spacing:2px;
  color:var(--t-muted);
  font-weight:700;
  padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--t-body);
  border-left:3px solid transparent;
}
.toc-list a:hover{background:#F1F2F8;color:var(--c-primary);}
.toc-list a.on{color:var(--c-primary);font-weight:700;background:#F1F2F8;border-left-color:var(--c-accent);}
.toc-list .num{font-variant-numeric:tabular-nums;font-size:12px;color:var(--c-accent);font-weight:700;}
.toc-note{
  margin-top:20px;
  padding:14px 16px;
  border-radius:12px;
  background:#F5F6FA;
  font-size:13px;
  color:var(--t-muted);
  line-height:1.7;
}
.toc-note strong{display:block;color:var(--t-title);font-size:14px;margin-bottom:4px;}

/* ---------- 正文分段 ---------- */
.block{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
  margin-bottom:24px;
  scroll-margin-top:100px;
}
.block:last-child{margin-bottom:0;}
.block-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.block-num{
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:800;
  color:var(--c-accent2);
  background:rgba(255,107,53,.10);
  border-radius:8px;
  padding:4px 10px;
  letter-spacing:1px;
}
.block h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;}
.block p{margin-bottom:14px;}
.block p:last-child{margin-bottom:0;}
.block h3{font-size:18px;font-weight:600;margin:22px 0 10px;}
.plain-list{margin:14px 0;display:flex;flex-direction:column;gap:10px;}
.plain-list li{position:relative;padding-left:24px;font-size:15.5px;}
.plain-list li::before{
  content:"";
  position:absolute;left:4px;top:11px;
  width:7px;height:7px;border-radius:2px;
  background:var(--c-accent);
}
.num-list{margin:18px 0;display:flex;flex-direction:column;gap:12px;counter-reset:step;}
.num-list li{
  position:relative;
  padding:14px 18px 14px 56px;
  background:#F8F9FC;
  border:1px solid var(--c-line);
  border-radius:12px;
  font-size:15.5px;
}
.num-list li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;left:16px;top:13px;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;
  color:var(--c-primary);
}
.num-list li b{color:var(--t-title);}
figure{margin:22px 0 6px;}
figure img{border-radius:var(--r-img);width:100%;}
.figcap{font-size:13px;color:var(--t-muted);margin-top:10px;}
.quote-box{
  margin:20px 0;
  padding:18px 22px;
  border-left:3px solid var(--c-accent);
  background:#F5F6FA;
  border-radius:0 12px 12px 0;
  font-size:15.5px;
  color:var(--t-title);
}

/* ---------- 双列要点 ---------- */
.mini-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:20px;
}
.mini-card{
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:20px;
  background:#FCFCFE;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,196,140,.35);}
.mini-card i{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:rgba(0,196,140,.12);
  color:var(--c-accent);
  margin-bottom:12px;
  font-size:16px;
}
.mini-card h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.mini-card p{font-size:14.5px;color:var(--t-body);}

/* ---------- 流程时间线 ---------- */
.flow{
  position:relative;
  margin-top:22px;
  padding-left:26px;
  border-left:2px dashed var(--c-line);
  display:flex;
  flex-direction:column;
  gap:22px;
}
.flow-item{position:relative;}
.flow-item::before{
  content:"";
  position:absolute;
  left:-34px;top:6px;
  width:14px;height:14px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--c-accent);
}
.flow-item h3{font-size:16px;font-weight:600;margin:0 0 6px;}
.flow-item p{font-size:15px;}

/* ---------- FAQ ---------- */
.faq-section{padding:80px 0 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--t-body);}
.accordion-item{
  border:0;
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.accordion-item:first-of-type{border-top:1px solid var(--c-line);}
.accordion-button{
  position:relative;
  width:100%;
  background:transparent;
  border:0;
  box-shadow:none;
  color:var(--t-title);
  font-size:17px;
  font-weight:600;
  padding:22px 54px 22px 18px;
  border-radius:0;
  transition:color .2s ease,background-color .2s ease;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(0,196,140,.05);box-shadow:inset 3px 0 0 var(--c-accent);}
.accordion-button:hover{background:#F5F6FA;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px;}
.accordion-button::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  background-image:none;
  width:auto;height:auto;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--c-accent);
}
.accordion-button:not(.collapsed)::after{content:"–";transform:translateY(-50%);}
.accordion-body{
  padding:0 54px 24px 18px;
  font-size:15.5px;
  color:var(--t-body);
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-section{padding:84px 0 92px;}
.cta-box{
  position:relative;
  background-color:var(--c-primary);
  background-image:linear-gradient(105deg,rgba(27,20,64,.96) 0%,rgba(27,20,64,.84) 55%,rgba(27,20,64,.62) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-radius:20px;
  padding:52px 48px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-box h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;margin-bottom:12px;}
.cta-box p{color:rgba(237,237,245,.82);max-width:620px;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(237,237,245,.78);padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(237,237,245,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:300px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:28px;height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(237,237,245,.78);}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(237,237,245,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:230px minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-menu{
    display:none;
    order:3;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:14px 0 0;
    padding-top:12px;
    border-top:1px solid var(--c-line);
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:13px 12px;font-size:15.5px;border-radius:10px;}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:6px;}
  .nav-cta{display:none;order:4;width:100%;margin:6px 0 18px;}
  .nav-menu.open ~ .nav-cta{display:block;}
  .nav-cta .btn{width:100%;}
  .layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc{position:static;}
  .main-body{padding:48px 0 0;}
  .cat-hero{padding:48px 0 44px;}
  .block{padding:26px;}
  .faq-section{padding:60px 0 0;}
  .cta-section{padding:64px 0 72px;}
  .cta-box{padding:38px 28px;}
}
@media (max-width:767px){
  .mini-grid{grid-template-columns:minmax(0,1fr);}
  .hero-meta{gap:18px;}
  .hero-meta strong{font-size:17px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-lead{font-size:15.5px;}
  .block{padding:20px;border-radius:14px;}
  .block-head{gap:10px;}
  .num-list li{padding:12px 14px 12px 50px;}
  .accordion-button{font-size:15.5px;padding:18px 44px 18px 14px;}
  .accordion-body{padding:0 42px 20px 14px;font-size:15px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-box{padding:30px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --c-primary:#1B1440;
  --c-primary-soft:#2A2158;
  --c-accent:#00C48C;
  --c-accent-dark:#00A878;
  --c-accent2:#FF6B35;
  --c-bg:#F5F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E6E7F0;
  --c-title:#14122B;
  --c-text:#4A4A5C;
  --c-muted:#8A8AA3;
  --c-dark-text:#EDEDF5;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 14px 34px rgba(20,18,43,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-title);font-weight:700}
p{margin:0}
ul,ol{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,196,140,.22)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:#C4C3DA;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left i{color:var(--c-accent);font-size:12px}
.topbar-left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right a{display:inline-flex;align-items:center;gap:6px;color:#EDEDF5;font-weight:500;padding:4px 2px}
.topbar-right a:hover{color:var(--c-accent)}
.topbar-right i{font-size:11px}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(20,18,43,.03)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:68px;position:relative}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.brand-mark{font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--c-muted);letter-spacing:3px;margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:#3C3A55;border-radius:8px;white-space:nowrap}
.nav-link:hover{color:var(--c-primary);background:#F3F4F9}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--c-accent);border-radius:2px}
.nav-cta{margin-left:6px;flex:0 0 auto}
.nav-cta .btn{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);margin-left:auto;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(0,196,140,.24)}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,196,140,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:var(--c-line);color:var(--c-primary);background:#fff}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more:hover{color:var(--c-accent);text-decoration:underline}
.link-more i{font-size:12px;transition:transform .2s ease}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(120deg,rgba(27,20,64,.94),rgba(27,20,64,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--c-dark-text);
  padding:38px 0 78px;
}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A9A8C4}
.breadcrumb-nav a{color:#C9C8DE}
.breadcrumb-nav a:hover{color:var(--c-accent)}
.breadcrumb-nav .sep{color:#6E6C90}
.breadcrumb-nav .current{color:#EDEDF5;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-line{display:flex;align-items:center;gap:14px;margin-top:20px;flex-wrap:wrap}
.hero-eyebrow{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(0,196,140,.16);border:1px solid rgba(0,196,140,.42);color:#7BEFC6;font-size:13px;font-weight:600}
.hero-note{font-size:13px;color:#A9A8C4}
.hero-note i{color:var(--c-accent2);margin-right:6px}

/* ---------- 文章布局 ---------- */
.article-main{padding-bottom:8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:32px;align-items:start;margin-top:-58px}
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:36px 40px 40px}
.article-title{font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:800;color:var(--c-title);letter-spacing:-.2px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;padding-bottom:22px;border-bottom:1px solid var(--c-line);font-size:13px;color:var(--c-muted)}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:#EAFBF5;color:#00875F;font-size:12px;font-weight:700;border:1px solid rgba(0,196,140,.3)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:#B4B5C8}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:#3E3D52;padding-top:26px}
.article-body>*+*{margin-top:1.15em}
.article-body h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;color:var(--c-title);line-height:1.42;margin-top:2em;padding-left:14px;border-left:4px solid var(--c-accent);scroll-margin-top:100px}
.article-body h3{font-size:19px;font-weight:600;color:var(--c-title);line-height:1.5;margin-top:1.7em;scroll-margin-top:100px}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-title);margin-top:1.5em}
.article-body p{margin:0}
.article-body a{color:#00875F;text-decoration:underline;text-decoration-color:rgba(0,196,140,.4);text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent-dark)}
.article-body ul,.article-body ol{padding-left:1.35rem}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--c-accent);font-weight:700}
.article-body strong{color:var(--c-title);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:#F1FBF7;border-left:4px solid var(--c-accent);border-radius:0 12px 12px 0;color:#2E5E4C;font-size:16px}
.article-body blockquote p+p{margin-top:.8em}
.article-body img{border-radius:var(--r-img);box-shadow:var(--sh-1);margin:1.6em auto}
.article-body figure{margin:1.7em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;display:table}
.article-body th{background:#F3F4F9;color:var(--c-title);font-weight:600;font-size:14px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;line-height:1.7}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:#F3F4F9;padding:2px 6px;border-radius:6px;font-size:.9em;color:#B43A12;font-family:ui-monospace,Menlo,Consolas,monospace}
.article-body pre{background:var(--c-primary);color:#E7E6F2;padding:18px 20px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}

.article-note{display:flex;gap:12px;align-items:flex-start;margin-top:34px;padding:16px 18px;background:#F7F8FC;border:1px dashed var(--c-line);border-radius:12px;font-size:14px;line-height:1.8;color:#5A5A72}
.article-note i{color:var(--c-accent);margin-top:4px}

.empty-state{text-align:center;padding:56px 20px;border:1px dashed var(--c-line);border-radius:14px;background:#FAFAFD;margin-top:26px}
.empty-state i{font-size:34px;color:#C6C8DA}
.empty-state h2{font-size:20px;color:var(--c-title);margin:14px 0 8px;border:0;padding:0}
.empty-state p{font-size:14px;color:var(--c-muted);margin:0 0 20px}

/* ---------- 标签 / 上下篇 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-label{font-size:14px;color:var(--c-muted);margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:6px 15px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:13px;color:#4A4A5C;background:#fff;transition:.2s ease}
.tag:hover{border-color:var(--c-accent);color:var(--c-accent-dark);background:#F1FCF8}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav-item{display:block;padding:16px 18px;border:1px solid var(--c-line);border-radius:14px;background:#fff;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9DBEA;color:inherit}
.post-nav-item .k{display:block;font-size:12px;letter-spacing:1.5px;color:var(--c-muted)}
.post-nav-item .t{display:block;margin-top:6px;font-size:15px;font-weight:600;color:var(--c-title);line-height:1.6}
.post-nav-item.next{text-align:right}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 20px 18px;box-shadow:var(--sh-1)}
.side-card+.side-card{margin-top:18px}
.side-title{font-size:15px;font-weight:700;color:var(--c-title);margin:0 0 14px;padding-left:10px;border-left:3px solid var(--c-accent);line-height:1.2}
.toc-list{list-style:none;margin:0;padding:0;max-height:320px;overflow:auto}
.toc-list a{display:block;padding:7px 0;font-size:14px;color:#55546C;border-bottom:1px dashed #EEEFF6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--c-accent-dark);padding-left:4px}
.toc-item.toc-sub a{padding-left:14px;font-size:13px;color:#7A7A92}
.toc-empty{font-size:13px;color:var(--c-muted);line-height:1.75;margin:0}
.side-links{list-style:none;margin:0;padding:0}
.side-links li+li{margin-top:11px}
.side-links a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#4A4A5C;line-height:1.65}
.side-links i{color:var(--c-accent2);margin-top:5px;font-size:12px;flex:0 0 auto}
.side-links a:hover{color:var(--c-accent-dark)}
.side-mini{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed #EEEFF6}
.side-mini:last-child{border-bottom:0;padding-bottom:0}
.side-mini img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.side-mini span{font-size:13.5px;line-height:1.6;color:#4A4A5C}
.side-mini:hover span{color:var(--c-accent-dark)}

/* ---------- 区块与卡片 ---------- */
.section-block{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--c-title);line-height:1.3}
.section-head p{margin-top:8px;font-size:14px;color:var(--c-muted)}
.card-grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;height:100%}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9DBEA;color:inherit}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEEF5}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,43,0) 45%,rgba(20,18,43,.42));opacity:0;transition:opacity .3s ease}
.rel-card:hover .rel-thumb::after{opacity:1}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-title)}
.rel-body p{font-size:14px;line-height:1.75;color:#5C5B72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px}
.rel-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:#F3F4F9;color:#5C5B72}
.rel-tag.hot{background:#FFF1EA;color:#C24A1B}

/* ---------- CTA ---------- */
.cta-wrap{padding:76px 0 0}
.cta-block{position:relative;overflow:hidden;background:var(--c-primary);border-radius:20px;padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--sh-2)}
.cta-block::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:16px 16px;opacity:.55;pointer-events:none}
.cta-text{position:relative;z-index:1;max-width:60ch}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-text p{margin-top:10px;color:#B9B8D0;font-size:15px;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:#B9B8D0;margin-top:80px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-sub{color:#8F8EAE}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9A8C4;max-width:36ch}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px;font-size:14px;line-height:1.7}
.footer-col a{color:#B9B8D0}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{margin-top:5px;color:var(--c-accent);font-size:13px;flex:0 0 auto}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0 28px;font-size:13px;color:#8F8EAE}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .article-card{padding:32px 30px 34px}
}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-menu{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px 20px 20px;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2)}
  .nav-menu.open{display:flex}
  .nav-link{padding:13px 12px;border-radius:10px}
  .nav-link.active{background:#F3F4F9}
  .nav-link.active::after{left:0;right:auto;top:50%;bottom:auto;width:3px;height:18px;transform:translateY(-50%)}
  .article-layout{grid-template-columns:1fr;gap:26px;margin-top:-46px}
  .article-side{position:static}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section-block{padding-top:56px}
  .cta-wrap{padding-top:56px}
  .cta-block{padding:34px 28px}
}
@media (max-width:767px){
  .topbar-left span{display:none}
  .page-hero{padding:28px 0 66px}
  .article-card{padding:26px 22px 30px}
  .article-body{font-size:16.5px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left}
  .site-footer{margin-top:60px;padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-mark{font-size:18px}
  .brand-sub{font-size:10px;letter-spacing:2px}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .article-title{font-size:23px}
  .meta-row{gap:8px 14px}
  .article-layout{margin-top:-40px}
  .article-card{padding:22px 18px 26px}
  .article-body h2{font-size:20px;padding-left:10px;border-left-width:3px}
  .cta-block{padding:28px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section-block{padding-top:44px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B1440;
  --c-primary-2:#2A2158;
  --c-accent:#00C48C;
  --c-accent-dark:#00A97A;
  --c-accent2:#FF6B35;
  --c-bg:#F5F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E6E7F0;
  --c-title:#14122B;
  --c-text:#4A4A5C;
  --c-muted:#8A8AA3;
  --c-on-dark:#EDEDF5;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 14px 34px rgba(20,18,43,.10);
  --container:1240px;
  --sect-desktop:92px;
  --sect-mobile:56px;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--c-title);margin:0;font-weight:700;}
p{margin:0;}

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

section[id],div[id],h2[id]{scroll-margin-top:96px;}

:focus{outline:none;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
  box-shadow:none;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-primary);
  color:#C6C5DF;
  font-size:13px;
  min-height:38px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-inner a{
  color:var(--c-on-dark);
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:500;
}
.topbar-inner a:hover{color:var(--c-accent);}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(20,18,43,.02);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
  position:relative;
}
.brand{
  display:inline-flex;
  flex-direction:column;
  line-height:1.15;
  flex:0 0 auto;
}
.brand-mark{
  font-size:19px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--c-primary);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.28em;
  color:var(--c-muted);
  margin-top:2px;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  border-radius:8px;
}
.nav-link:hover{color:var(--c-primary);background:#F1F3F9;}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
}
.nav-cta{margin-left:10px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:44px;
  height:44px;
  margin-left:auto;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  padding:0 11px;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mobile-cta{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
}
.btn-primary:hover{
  background:var(--c-accent-dark);
  border-color:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(0,196,140,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.btn-outline:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover{
  background:#EDEFF7;
  color:var(--c-primary);
  transform:translateY(-2px);
}
.btn-block{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:var(--sect-desktop) 0;}
.section--surface{background:var(--c-surface);}
.section--dots{
  background-image:radial-gradient(rgba(27,20,64,.07) 1px,transparent 1px);
  background-size:20px 20px;
}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--c-muted);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:#00845F;
  background:rgba(0,196,140,.10);
  border:1px solid rgba(0,196,140,.28);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  min-height:460px;
  display:flex;
  align-items:center;
  padding:72px 0;
  background-image:
    linear-gradient(102deg,rgba(27,20,64,.95) 0%,rgba(27,20,64,.80) 52%,rgba(27,20,64,.55) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--c-on-dark);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:rgba(255,255,255,.12);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--c-accent);
  border-left:3px solid var(--c-accent);
  padding-left:10px;
  margin-bottom:18px;
}
.hero-copy h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,48px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.005em;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:rgba(237,237,245,.82);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(237,237,245,.78);
}
.hero-points i{color:var(--c-accent);}
.hero-card{
  background:#fff;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 24px 50px rgba(9,6,28,.35);
}
.hero-card-img img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
}
.hero-card-body{padding:22px 24px 26px;}
.hero-card-body strong{
  display:block;
  font-size:16px;
  color:var(--c-title);
  margin-bottom:8px;
}
.hero-card-body p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.7;
}

/* ============ 卡片网格 ============ */
.grid{display:grid;gap:24px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card-soft{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  height:100%;
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent2));
  opacity:0;
  transition:opacity .25s ease;
}
.card-soft:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#DCDEEB;
}
.card-soft:hover::before{opacity:1;}
.card-soft h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:10px;
}
.card-soft p{font-size:14.5px;color:var(--c-text);}
.card-soft .card-index{
  font-size:13px;
  font-weight:700;
  color:var(--c-accent2);
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:14px;
}

.icon-badge{
  width:48px;
  height:48px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  color:var(--c-accent);
  background:rgba(0,196,140,.12);
  margin-bottom:18px;
}
.icon-badge.orange{
  color:var(--c-accent2);
  background:rgba(255,107,53,.12);
}

/* ============ 步骤条 ============ */
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:22px;
}
.steps::before{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  top:26px;
  height:2px;
  background:linear-gradient(90deg,var(--c-accent) 0%,rgba(0,196,140,.35) 60%,rgba(0,196,140,.12) 100%);
}
.step{position:relative;}
.step-no{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:center;
  width:54px;
  height:54px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  color:var(--c-primary);
  font-weight:800;
  font-size:16px;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step h3{
  font-size:17px;
  font-weight:600;
  margin:20px 0 8px;
}
.step p{
  font-size:14.5px;
  color:var(--c-muted);
  line-height:1.78;
}

/* ============ 双列要点 ============ */
.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.panel h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:6px;
}
.panel .panel-sub{
  font-size:14px;
  color:var(--c-muted);
  margin-bottom:20px;
}
.list-check li,
.list-dot li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:14.5px;
  line-height:1.78;
}
.list-check li:last-child,
.list-dot li:last-child{border-bottom:0;padding-bottom:0;}
.list-check i{
  color:var(--c-accent);
  font-size:15px;
  margin-top:5px;
  flex:0 0 auto;
}
.list-dot i{
  color:var(--c-accent2);
  font-size:8px;
  margin-top:10px;
  flex:0 0 auto;
}
.list-check strong,
.list-dot strong{color:var(--c-title);font-weight:600;}

/* ============ 场景卡 ============ */
.scene-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-media{position:relative;overflow:hidden;}
.scene-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s ease;
}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-media .tag{
  position:absolute;
  left:16px;
  top:16px;
  background:rgba(255,255,255,.94);
}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;font-weight:600;}
.scene-body p{font-size:14.5px;color:var(--c-text);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:#fff;
  font-size:13px;
  color:var(--c-primary);
  font-weight:500;
  line-height:1.6;
}
.tag-accent{
  border-color:rgba(0,196,140,.35);
  background:rgba(0,196,140,.10);
  color:#00845F;
}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px 32px;
  box-shadow:var(--sh-1);
}
.accordion{--bs-accordion-border-width:0;}
.faq-accordion .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  position:relative;
  width:100%;
  background:transparent;
  border:0;
  box-shadow:none;
  color:var(--c-title);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:24px 46px 24px 18px;
  text-align:left;
  border-radius:0;
  transition:color .2s ease,padding .2s ease;
}
.faq-accordion .accordion-button::after{
  content:"+";
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:400;
  color:var(--c-primary);
  background:none;
  border-radius:50%;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.faq-accordion .accordion-button.collapsed::after{content:"+";}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"–";
  color:var(--c-accent);
  background:rgba(0,196,140,.12);
}
.faq-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background-color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:transparent;
}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--c-accent);}
.faq-accordion .accordion-button:hover{color:var(--c-primary);}
.faq-accordion .accordion-button:hover::after{background:rgba(27,20,64,.06);}
.faq-accordion .accordion-body{
  padding:0 46px 26px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text);
}

/* ============ 表单 ============ */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  align-items:start;
}
.sec-form{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-title);
  margin-bottom:8px;
}
.form-control,
.form-select{
  width:100%;
  height:48px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:0 14px;
  font-size:15px;
  color:var(--c-title);
  background:#fff;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{
  height:auto;
  min-height:118px;
  padding:13px 14px;
  line-height:1.7;
  resize:vertical;
}
.form-control::placeholder{color:#A9A9BE;}
.form-control:focus,
.form-select:focus{
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(0,196,140,.18);
}
.form-note{
  margin-top:14px;
  font-size:14px;
  color:#00845F;
  background:rgba(0,196,140,.10);
  border:1px solid rgba(0,196,140,.28);
  border-radius:10px;
  padding:12px 14px;
}
.form-tip{
  font-size:13px;
  color:var(--c-muted);
  margin-top:12px;
}
.info-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-1);
}
.info-card h3{font-size:19px;margin-bottom:16px;}
.info-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:14.5px;
}
.info-list li:last-child{border-bottom:0;padding-bottom:0;}
.info-list i{
  color:var(--c-accent);
  margin-top:5px;
  width:18px;
  text-align:center;
}
.warn-box{
  margin-top:22px;
  background:rgba(255,107,53,.08);
  border:1px solid rgba(255,107,53,.28);
  border-radius:12px;
  padding:16px 18px;
  font-size:14px;
  color:#9A3B12;
  line-height:1.7;
}

/* ============ CTA 区块 ============ */
.cta-band{
  background:var(--c-primary);
  color:var(--c-on-dark);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.7;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:36px;
  align-items:center;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(23px,2.8vw,32px);
  line-height:1.35;
}
.cta-inner p{
  margin-top:14px;
  color:rgba(237,237,245,.78);
  font-size:15.5px;
  max-width:640px;
}
.cta-actions{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
}
.cta-actions .btn{width:100%;}
.cta-link{
  font-size:14px;
  color:rgba(237,237,245,.75);
  border-bottom:1px solid rgba(237,237,245,.4);
  padding-bottom:2px;
}
.cta-link:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary);
  color:#C9C8DE;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(237,237,245,.55);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(237,237,245,.68);
  max-width:330px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(237,237,245,.72);
}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:rgba(237,237,245,.72);
  line-height:1.7;
}
.footer-contact i{
  color:var(--c-accent);
  margin-top:6px;
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(237,237,245,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);}
  .steps::before{display:none;}
  .step-no{border-color:#DCDEEB;}
}

@media (max-width:991px){
  :root{--sect-desktop:72px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-menu{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    padding:14px 24px 22px;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    margin-left:0;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:13px 8px;border-radius:8px;}
  .nav-link.active::after{left:8px;right:auto;width:22px;bottom:8px;}
  .nav-mobile-cta{
    display:flex;
    margin-top:12px;
    width:100%;
  }
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero{min-height:auto;padding:56px 0 64px;}
  .hero-card{max-width:520px;}
  .two-col{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center;}
  .cta-actions .btn{width:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}

@media (max-width:767px){
  :root{--sect-desktop:var(--sect-mobile);}
  .container{padding-left:18px;padding-right:18px;}
  .topbar-left{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .grid-3{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .section-head{margin-bottom:34px;}
  .card-soft{padding:22px;}
  .panel{padding:24px;}
  .faq-wrap{padding:6px 18px;}
  .faq-accordion .accordion-button{font-size:16px;padding:20px 40px 20px 14px;}
  .faq-accordion .accordion-body{padding:0 20px 22px 14px;}
  .sec-form{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:575px){
  .grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:10px;}
  .scene-body{padding:20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1B1440;
  --c-primary-70:#3A3160;
  --c-accent:#00C48C;
  --c-accent-deep:#00A878;
  --c-accent2:#FF6B35;
  --c-bg:#F5F6FA;
  --c-surface:#FFFFFF;
  --c-line:#E6E7F0;
  --c-title:#14122B;
  --c-text:#4A4A5C;
  --c-muted:#8A8AA3;
  --c-dark-text:#EDEDF5;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 14px 34px rgba(20,18,43,.10);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-title);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.2}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .22s ease}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:rgba(237,237,245,.78);font-size:13px;height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{color:var(--c-accent)}
.topbar a{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.topbar a:hover{color:var(--c-accent)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(20,18,43,.02)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:70px}
.brand{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.brand-mark{font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.4px}
.brand-sub{font-size:11px;letter-spacing:3px;color:var(--c-muted);margin-top:3px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;padding:0;transition:border-color .22s ease}
.nav-toggle:hover{border-color:var(--c-accent)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:10px 0;font-size:15px;font-weight:500;color:var(--c-text)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--c-accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1.2;padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;cursor:pointer;transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
.btn.btn-primary{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.btn.btn-primary:hover{background:var(--c-accent-deep);border-color:var(--c-accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,196,140,.28)}
.btn.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn.btn-outline:hover{background:rgba(27,20,64,.06);color:var(--c-primary);transform:translateY(-2px)}
.btn:focus,.btn:focus-visible{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:2px}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:60px 0 72px;
  color:#fff;
  background-image:linear-gradient(118deg,rgba(15,12,38,.90) 0%,rgba(27,20,64,.78) 52%,rgba(27,20,64,.58) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:8px 8px;opacity:.5;
}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--c-accent),rgba(0,196,140,0) 72%)}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:rgba(237,237,245,.66);margin-bottom:26px}
.crumb a{color:rgba(237,237,245,.86)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{opacity:.45}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:#8CF2D3;background:rgba(0,196,140,.14);border:1px solid rgba(0,196,140,.42);border-radius:var(--r-pill);padding:5px 14px}
.page-hero h1{color:#fff;margin:20px 0 18px;max-width:900px}
.hero-lead{max-width:760px;font-size:clamp(16px,1.6vw,18px);line-height:1.8;color:rgba(237,237,245,.84)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-actions .btn.btn-outline{color:#fff;border-color:rgba(255,255,255,.55)}
.hero-actions .btn.btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(237,237,245,.16)}
.hero-meta div{font-size:14px;color:rgba(237,237,245,.7)}
.hero-meta strong{display:block;font-size:20px;font-weight:800;color:#fff;margin-bottom:2px}

/* ---------- 区块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:calc(var(--sec) * .6) 0}
.sec-head{max-width:740px;margin-bottom:44px}
.sec-head--center{max-width:780px;margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{margin:16px 0 14px}
.sec-head p{color:var(--c-muted);font-size:16px;margin:0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-accent-deep);background:rgba(0,196,140,.10);border-radius:var(--r-pill);padding:5px 14px}

/* ---------- 图文卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-tile{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card-tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,196,140,.38)}
.card-tile .thumb{aspect-ratio:16/10;overflow:hidden;background:#E9EBF3}
.card-tile .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.card-tile:hover .thumb img{transform:scale(1.05)}
.card-tile .body{display:flex;flex-direction:column;gap:10px;padding:24px;flex:1}
.card-tile h3{color:var(--c-title)}
.card-tile p{font-size:15px;line-height:1.78;color:var(--c-text);margin:0}
.card-tile .meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}
.tag-pill{display:inline-block;border:1px solid rgba(0,196,140,.45);color:var(--c-accent-deep);border-radius:var(--r-pill);padding:2px 11px;font-size:12px;font-weight:600;background:rgba(0,196,140,.06)}
.tag-pill.orange{border-color:rgba(255,107,53,.42);color:#D9521C;background:rgba(255,107,53,.07)}

/* ---------- 对照表 ---------- */
.table-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:760px;border-collapse:collapse}
.compare thead th{background:var(--c-primary);color:var(--c-dark-text);font-size:14px;font-weight:600;letter-spacing:.5px;text-align:left;padding:16px 22px;white-space:nowrap}
.compare tbody td{padding:18px 22px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-text);vertical-align:top;line-height:1.7}
.compare tbody td strong{display:block;color:var(--c-title);font-weight:700;margin-bottom:3px}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:hover{background:#FAFBFE}
.table-note{font-size:13px;color:var(--c-muted);margin-top:16px}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 24px 26px;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::before{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--c-accent);opacity:.85}
.step .num{font-size:34px;font-weight:800;line-height:1;color:rgba(0,196,140,.30)}
.step h3{margin:14px 0 10px;font-size:18px}
.step p{font-size:14.5px;color:var(--c-text);margin:0;line-height:1.78}

/* ---------- 提示条 ---------- */
.notice-band{background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);border-radius:var(--r-card);padding:24px 28px;box-shadow:var(--sh-1);display:flex;gap:18px;align-items:flex-start}
.notice-band i{font-size:20px;color:var(--c-accent);margin-top:3px}
.notice-band p{margin:0;font-size:15px;color:var(--c-text)}
.notice-band strong{color:var(--c-title)}

/* ---------- FAQ ---------- */
.faq-accordion{
  --bs-accordion-border-width:0;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:#1B1440;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-border-radius:0;
  border:none;
  background:transparent;
}
.faq-accordion .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--c-line);border-radius:0}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  background:transparent;
  border:none;
  border-radius:0;
  padding:24px 56px 24px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--c-title);
  box-shadow:none;
  line-height:1.55;
  position:relative;
  transition:color .22s ease,box-shadow .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent)}
.faq-accordion .accordion-button:hover{color:var(--c-primary)}
.faq-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 rgba(0,196,140,.4);outline:none}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--c-accent);
  transition:transform .25s ease,color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"–";color:var(--c-accent-deep)}
.faq-accordion .accordion-body{padding:0 56px 26px 20px;font-size:15px;line-height:1.85;color:var(--c-text)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:44px;
  background:var(--c-primary);
  border-radius:24px;
  padding:52px 56px;
  color:var(--c-dark-text);
}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:8px 8px;opacity:.55;pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(0,196,140,.26),rgba(0,196,140,0) 68%);pointer-events:none}
.cta-text{position:relative;z-index:2;max-width:720px}
.cta-text h2{color:#fff;margin-bottom:14px}
.cta-text p{color:rgba(237,237,245,.78);font-size:16px;margin:0}
.cta-act{position:relative;z-index:2;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(237,237,245,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.site-footer .brand{margin-bottom:18px}
.site-footer .brand-mark{color:#fff;font-size:19px}
.site-footer .brand-sub{color:rgba(237,237,245,.55)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(237,237,245,.62);margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.5px}
.footer-col ul li{margin-bottom:12px;font-size:14.5px}
.footer-col ul li a{color:rgba(237,237,245,.72)}
.footer-col ul li a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(237,237,245,.14);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(237,237,245,.52)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:80px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .topbar .container{justify-content:flex-end}
  .topbar-note{display:none}
  .nav-inner{flex-wrap:wrap;gap:0;min-height:64px;padding-top:8px;padding-bottom:8px}
  .brand{order:1}
  .nav-toggle{order:2;display:inline-flex;margin-left:auto}
  .nav-menu{order:3;display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;margin:12px 0 0}
  .nav-menu.open{display:flex}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:15px}
  .nav-link::after{display:none}
  .nav-cta{order:4;display:none;width:100%;margin:16px 0 6px}
  .nav-cta.open{display:flex}
  .nav-cta .btn{width:100%}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 34px;gap:28px}
  .cta-act{width:100%}
  .cta-act .btn{width:100%}
}
@media (max-width:767px){
  :root{--sec:58px}
  .page-hero{padding:44px 0 54px}
  .hero-actions{margin-top:26px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:20px;margin-top:32px;padding-top:22px}
  .sec-head{margin-bottom:34px}
  .grid-cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .card-tile .body{padding:20px}
  .step{padding:24px 20px 22px}
  .footer-grid{grid-template-columns:1fr}
  .notice-band{padding:20px}
  .faq-accordion .accordion-button{padding:20px 48px 20px 16px;font-size:16px}
  .faq-accordion .accordion-body{padding:0 20px 22px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .brand-mark{font-size:18px}
  .brand-sub{letter-spacing:2px;font-size:10.5px}
  .hero-badge{font-size:12px}
}