/* roulang page: index */
:root{
  --brand:#1B6FA8;
  --brand-700:#155B8C;
  --brand-50:#EAF4FB;
  --teal:#48B39A;
  --orange:#FF8B4D;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --text:#0F2233;
  --muted:#5B6C7C;
  --border:#DCE7F0;
  --danger:#D64545;
  --dark:#0E2A3D;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:24px;
  --r-chip:999px;
  --shadow-sm:0 2px 8px rgba(15,34,51,.06);
  --shadow-md:0 12px 32px rgba(15,34,51,.08);
  --shadow-lg:0 20px 48px rgba(15,34,51,.12);
  --sec:80px;
}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{color:var(--text);margin:0;}
h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:650;line-height:1.35;}
h3{font-size:1.25rem;font-weight:600;line-height:1.45;}
p{margin:0 0 1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{max-width:1280px;padding-left:20px;padding-right:20px;}
.section{padding:var(--sec) 0;position:relative;}
.section-sm{padding:56px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;font-weight:600;color:var(--brand);
  background:var(--brand-50);border-radius:var(--r-chip);
  padding:6px 14px;margin-bottom:16px;
}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--brand);
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}
.section-head p{color:var(--muted);margin:14px 0 0;font-size:1rem;}
.lead-muted{color:var(--muted);}

/* 顶部公告 */
.topbar{
  background:var(--dark);color:#C9D8E4;font-size:.875rem;
  padding:10px 0;position:relative;overflow:hidden;
}
.topbar::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.6) 0 1px,transparent 1px 14px);
}
.topbar .inner{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;position:relative;z-index:1;}
.topbar .tag{
  display:inline-block;background:rgba(255,139,77,.16);color:#FFB98D;
  border-radius:var(--r-chip);padding:2px 10px;font-size:.8125rem;margin-right:8px;
}
.topbar a{color:#FFFFFF;font-weight:600;}
.topbar a:hover{color:#FFB98D;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:24px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;color:#fff;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--teal) 100%);
  font-weight:700;font-size:.875rem;letter-spacing:.5px;box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:1.125rem;font-weight:700;color:var(--text);}
.brand-sub{font-size:.75rem;color:var(--muted);letter-spacing:.06em;}
.seg-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto;}
.seg-chip{
  padding:8px 17px;border-radius:var(--r-chip);font-size:.9375rem;font-weight:500;
  color:var(--muted);background:#F0F5FA;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.seg-chip:hover{background:var(--brand-50);color:var(--brand-700);}
.seg-chip.active{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--text);align-items:center;justify-content:center;font-size:1.125rem;
}
.offcanvas{max-width:88vw;}
.offcanvas-header{border-bottom:1px solid var(--border);}
.offcanvas-title{font-weight:700;}

/* 按钮 */
.btn{transition:all .2s ease;font-weight:600;border-radius:var(--r-btn);}
.btn-brand{
  background:var(--brand);color:#fff;padding:12px 24px;border:1px solid var(--brand);
  border-radius:var(--r-btn);display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow-sm);
}
.btn-brand:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{
  background:#fff;color:var(--brand);border:1px solid var(--brand);
  padding:12px 24px;border-radius:var(--r-btn);display:inline-flex;align-items:center;gap:8px;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-warm{
  background:var(--orange);color:#fff;border:1px solid var(--orange);
  padding:12px 24px;border-radius:var(--r-btn);display:inline-flex;align-items:center;gap:8px;
}
.btn-warm:hover{background:#F0763A;border-color:#F0763A;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-block{width:100%;justify-content:center;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(3px);}
.btn:disabled,.btn.disabled{opacity:.5;pointer-events:none;box-shadow:none;}

/* Hero */
.hero{
  padding:72px 0 80px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 0%,rgba(72,179,154,.12),transparent 62%),
    radial-gradient(700px 360px at 0% 100%,rgba(27,111,168,.10),transparent 60%),
    var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;opacity:.08;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,var(--brand) 0 1px,transparent 1px 28px);
}
.hero .row{position:relative;z-index:1;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:.8125rem;font-weight:600;
  padding:6px 13px;border-radius:var(--r-chip);background:#fff;color:var(--brand-700);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
}
.pill.warm{background:#FFF3EC;color:#C25C1F;border-color:#FBD9C4;}
.pill.teal{background:#EAF7F3;color:#2C8271;border-color:#CDEBE2;}
.hero h1{margin-bottom:18px;}
.hero .hero-sub{font-size:1.0625rem;color:var(--muted);max-width:560px;margin-bottom:28px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;}
.hero-facts .fact strong{display:block;font-size:1.25rem;font-weight:700;color:var(--text);}
.hero-facts .fact span{font-size:.875rem;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-panel);
  box-shadow:var(--shadow-lg);
}
.hero-visual .floating{
  position:absolute;left:-14px;bottom:22px;background:#fff;border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--shadow-md);border:1px solid var(--border);
  display:flex;align-items:center;gap:12px;max-width:280px;
}
.hero-visual .floating i{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand);font-size:1rem;
}
.hero-visual .floating span{font-size:.875rem;color:var(--muted);line-height:1.5;}

/* 数据条 */
.stats-band{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-panel);
  box-shadow:var(--shadow-md);padding:34px 28px;margin-top:-38px;position:relative;z-index:2;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stats-grid .num{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;color:var(--brand);line-height:1.2;}
.stats-grid .lbl{font-size:.875rem;color:var(--muted);margin-top:6px;}
.stats-grid .cell + .cell{border-left:1px solid var(--border);}

/* 卡片通用 */
.card-soft{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DEEE;}

/* 时间线 */
.timeline{position:relative;padding:10px 0 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(72,179,154,.55),rgba(27,111,168,.35));
}
.tl-item{position:relative;width:50%;padding:0 44px 34px 0;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 34px 44px;}
.tl-dot{
  position:absolute;top:24px;right:-9px;width:18px;height:18px;border-radius:50%;
  background:var(--teal);border:4px solid #fff;box-shadow:0 0 0 2px rgba(72,179,154,.35);
}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-9px;}
.tl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.tl-time{font-size:.875rem;font-weight:700;color:var(--brand);letter-spacing:.02em;}
.tl-card h3{font-size:1.125rem;margin:8px 0 8px;}
.tl-card p{font-size:.9375rem;color:var(--muted);margin:0;}
.badge-state{
  display:inline-block;font-size:.75rem;font-weight:600;border-radius:var(--r-chip);
  padding:3px 11px;margin-top:14px;
}
.state-done{background:#EEF2F6;color:#77899A;}
.state-live{background:#EAF7F3;color:#2C8271;}
.state-next{background:#FFF3EC;color:#C25C1F;}

/* 亮点/嘉宾 */
.speaker-card{padding:24px;text-align:left;}
.speaker-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.speaker-top img{
  width:80px;height:80px;object-fit:cover;border-radius:18px;flex:0 0 auto;
  border:1px solid var(--border);
}
.speaker-top h3{font-size:1.0625rem;margin-bottom:4px;}
.speaker-top .role{font-size:.8125rem;color:var(--muted);}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;}
.tag{
  font-size:.75rem;font-weight:600;padding:4px 11px;border-radius:var(--r-chip);
  background:var(--brand-50);color:var(--brand-700);
}
.tag.teal{background:#EAF7F3;color:#2C8271;}
.tag.warm{background:#FFF3EC;color:#C25C1F;}

/* 票种 */
.ticket-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;
  position:relative;transition:transform .25s ease,box-shadow .25s ease;
}
.ticket-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.ticket-card.featured{border:2px solid var(--orange);box-shadow:0 14px 36px rgba(255,139,77,.16);}
.ticket-flag{
  position:absolute;top:-13px;left:24px;background:var(--orange);color:#fff;
  font-size:.75rem;font-weight:700;padding:4px 14px;border-radius:var(--r-chip);
}
.ticket-card h3{font-size:1.125rem;margin-bottom:6px;}
.ticket-desc{font-size:.875rem;color:var(--muted);min-height:44px;}
.ticket-price{font-size:2.25rem;font-weight:700;color:var(--brand);line-height:1.1;margin:14px 0 4px;}
.ticket-price small{font-size:.875rem;font-weight:500;color:var(--muted);margin-left:6px;}
.ticket-list{margin:18px 0 22px;display:grid;gap:10px;}
.ticket-list li{display:flex;gap:10px;font-size:.9375rem;color:var(--muted);line-height:1.6;}
.ticket-list li i{color:var(--teal);margin-top:5px;font-size:.8125rem;}
.ticket-card .btn-brand,.ticket-card .btn-ghost{margin-top:auto;}
.ticket-note{font-size:.875rem;color:var(--muted);margin-top:22px;}

/* 资讯列表 */
.news-card{overflow:hidden;display:flex;flex-direction:column;height:100%;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-50);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:1.0625rem;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:.9375rem;color:var(--muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border);font-size:.8125rem;color:var(--muted);
}
.news-meta .cat{background:var(--brand-50);color:var(--brand-700);border-radius:var(--r-chip);padding:3px 11px;font-weight:600;}
.empty-state{
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:1.75rem;color:var(--brand);margin-bottom:14px;display:block;}

/* CTA 表单 */
.cta-panel{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  background:var(--dark);color:#D8E4EE;padding:56px;box-shadow:var(--shadow-lg);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.7) 0 1px,transparent 1px 16px);
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{color:#fff;}
.cta-panel .desc{color:#B9CBD9;font-size:1rem;margin-top:14px;}
.cta-points{display:grid;gap:12px;margin-top:26px;}
.cta-points li{display:flex;gap:11px;font-size:.9375rem;color:#C9D8E4;}
.cta-points i{color:var(--teal);margin-top:5px;font-size:.8125rem;}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-lg);}
.form-card h3{font-size:1.125rem;margin-bottom:6px;}
.form-card .hint{font-size:.875rem;color:var(--muted);margin-bottom:20px;}
.form-label{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:7px;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--border);
  padding:10px 14px;font-size:.9375rem;background:#FBFDFE;box-shadow:none;
}
textarea.form-control{height:auto;min-height:92px;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,111,168,.14);background:#fff;
}
.form-check-input{width:18px;height:18px;margin-top:3px;border-color:var(--border);}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:.875rem;color:var(--muted);}
.privacy-note{font-size:.8125rem;color:var(--muted);margin-top:12px;}

/* FAQ */
.accordion-item{
  border:1px solid var(--border);border-radius:12px !important;overflow:hidden;
  margin-bottom:14px;background:var(--surface);box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-size:1rem;font-weight:600;color:var(--text);background:var(--surface);
  padding:20px 22px;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-50);}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.8125rem;width:auto;height:auto;transition:transform .25s ease;color:var(--brand);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-body{padding:0 22px 22px;color:var(--muted);font-size:.9375rem;line-height:1.8;}
.accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:26px;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand);}

/* 页脚 */
.site-footer{background:var(--dark);color:#C9D8E4;padding:64px 0 0;position:relative;}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--teal),var(--orange));
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:1.125rem;font-weight:700;}
.site-footer h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:18px;}
.site-footer p{font-size:.9375rem;color:#A9BDCC;line-height:1.8;}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:#C9D8E4;font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:grid;gap:12px;font-size:.9375rem;}
.footer-contact li{display:flex;gap:10px;color:#A9BDCC;}
.footer-contact i{color:var(--teal);margin-top:5px;font-size:.8125rem;width:16px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  font-size:.875rem;color:#8FA6B7;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* 响应式 */
@media (max-width:1199.98px){
  .container{max-width:1140px;}
}
@media (max-width:991.98px){
  :root{--sec:64px;}
  .seg-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:52px 0 64px;}
  .hero-visual{margin-top:40px;}
  .hero-visual .floating{left:12px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 12px;}
  .stats-grid .cell + .cell{border-left:none;}
  .stats-grid .cell:nth-child(even){border-left:1px solid var(--border);}
  .timeline::before{left:9px;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 26px 34px;}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;top:22px;}
  .cta-panel{padding:40px 26px;}
}
@media (max-width:767.98px){
  :root{--sec:48px;}
  .stats-band{padding:26px 18px;margin-top:-26px;}
  .section-head{margin-bottom:32px;}
  .hero-facts{gap:20px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .form-card{padding:22px;}
  .cta-panel{border-radius:var(--r-card);}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .stats-grid{grid-template-columns:1fr;}
  .stats-grid .cell:nth-child(even){border-left:none;}
  .brand-name{font-size:1rem;}
  .brand-sub{display:none;}
  .ticket-price{font-size:2rem;}
}

/* roulang page: article */
:root{
  --brand:#1B6FA8;
  --brand-700:#155B8C;
  --brand-50:#EAF4FB;
  --accent:#48B39A;
  --accent-50:#E8F6F2;
  --warm:#FF8B4D;
  --warm-50:#FFF2EA;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --text:#0F2233;
  --muted:#5B6C7C;
  --border:#DCE7F0;
  --danger:#D64545;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:24px;
  --shadow-sm:0 2px 8px rgba(15,34,51,.06);
  --shadow-md:0 12px 32px rgba(15,34,51,.08);
  --shadow-lg:0 20px 48px rgba(15,34,51,.12);
  --section-y:80px;
  --nav-h:74px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:650;letter-spacing:.2px;}
h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.25;}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.35;font-weight:650;}
h3{font-size:1.25rem;font-weight:600;line-height:1.4;}
p{margin:0 0 1rem;}
ul,ol{margin:0 0 1rem;padding-left:1.25rem;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--warm);outline-offset:2px;}
.container{max-width:1240px;width:100%;padding-left:18px;padding-right:18px;margin:0 auto;}
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.section-head p{color:var(--muted);margin:10px 0 0;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.875rem;color:var(--brand);
  background:var(--brand-50);border-radius:999px;padding:6px 14px;font-weight:600;margin-bottom:14px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;align-items:center;gap:18px;min-height:var(--nav-h);
  padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;
  font-weight:700;font-size:1rem;letter-spacing:.5px;box-shadow:var(--shadow-sm);
}
.brand-name{font-size:1.1rem;font-weight:700;color:var(--text);white-space:nowrap;}
.seg-nav{display:flex;flex-wrap:wrap;gap:8px;margin-left:12px;flex:1 1 auto;}
.seg-chip{
  display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;
  font-size:.9375rem;color:var(--muted);background:#F1F5F9;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.seg-chip:hover{background:var(--brand-50);color:var(--brand);}
.seg-chip.active{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.seg-chip.active:hover{background:var(--brand-700);color:#fff;}
.header-cta{flex:0 0 auto;}
.btn{
  border-radius:var(--r-btn);font-weight:600;padding:12px 24px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px);}
.btn-link-arrow{
  background:none;border:0;padding:0;color:var(--brand);font-weight:600;display:inline-flex;
  align-items:center;gap:6px;
}
.btn-link-arrow i{transition:transform .2s ease;}
.btn-link-arrow:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--brand);align-items:center;justify-content:center;font-size:1.05rem;
}
/* ===== Breadcrumb ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B6C6D3;}
.crumb .current{color:var(--text);font-weight:600;}
/* ===== Article head ===== */
.article-head{padding:44px 0 8px;}
.chip-cat{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-50);color:var(--brand);
  border-radius:999px;padding:7px 16px;font-size:.875rem;font-weight:600;
}
.article-head h1{margin:18px 0 16px;max-width:900px;}
.article-lead{color:var(--muted);font-size:1.0625rem;line-height:1.85;max-width:860px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;
  padding-top:18px;border-top:1px dashed var(--border);color:var(--muted);font-size:.875rem;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--brand);}
.cover-figure{margin:26px 0 0;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--shadow-md);}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
/* ===== Article body ===== */
.article-shell{padding:48px 0 var(--section-y);}
.paper{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-panel);
  padding:40px;box-shadow:var(--shadow-sm);
}
.article-content{max-width:820px;font-size:1.0625rem;line-height:1.85;color:#1B3247;}
.article-content h2{
  font-size:1.5rem;margin:2.2rem 0 1rem;padding-left:16px;position:relative;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:999px;background:var(--brand);
}
.article-content h3{font-size:1.1875rem;margin:1.6rem 0 .7rem;color:var(--text);}
.article-content p{margin:0 0 1.15rem;}
.article-content ul,.article-content ol{padding-left:1.4rem;margin-bottom:1.2rem;}
.article-content li{margin-bottom:.5rem;}
.article-content blockquote{
  margin:1.6rem 0;padding:18px 22px;background:var(--brand-50);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:#1B3247;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:16px;margin:1.6rem 0;box-shadow:var(--shadow-sm);}
.article-content figure{margin:1.6rem 0;}
.article-content figcaption{text-align:center;color:var(--muted);font-size:.875rem;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6rem 0;font-size:.95rem;
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
}
.article-content thead th{background:var(--brand-50);color:var(--brand-700);font-weight:650;}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left;}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content a{border-bottom:1px solid rgba(27,111,168,.35);}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-panel);
}
.empty-state i{font-size:2.2rem;color:var(--brand);}
.empty-state h2{margin:18px 0 10px;font-size:1.375rem;}
.empty-state p{color:var(--muted);}
/* ===== Tags ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--border);}
.tag{
  display:inline-flex;align-items:center;gap:7px;background:#F1F5F9;color:var(--muted);
  border-radius:999px;padding:7px 15px;font-size:.875rem;transition:all .2s ease;
}
.tag:hover{background:var(--brand-50);color:var(--brand);}
/* ===== Sidebar ===== */
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.side-card h3{font-size:1.0625rem;display:flex;align-items:center;gap:9px;margin-bottom:14px;}
.side-card h3 i{color:var(--accent);}
.sticky-toc{position:sticky;top:calc(var(--nav-h) + 20px);}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-list li{counter-increment:toc;margin-bottom:8px;}
.toc-list a{
  display:flex;gap:10px;color:var(--muted);font-size:.9375rem;line-height:1.55;padding:6px 8px;border-radius:8px;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);color:#9FB2C1;font-size:.8125rem;font-weight:700;flex:0 0 auto;padding-top:2px;
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand);}
.toc-empty{color:var(--muted);font-size:.9375rem;margin:0;}
.mini-list{list-style:none;margin:0;padding:0;}
.mini-list li{padding:12px 0;border-bottom:1px dashed var(--border);}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list a{font-weight:600;color:var(--text);font-size:.9375rem;line-height:1.5;display:block;}
.mini-list a:hover{color:var(--brand);}
.mini-list time{display:block;color:var(--muted);font-size:.8125rem;margin-top:6px;}
.side-cta{
  background:linear-gradient(150deg,var(--brand),#17908A);color:#fff;border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-md);
}
.side-cta h3{color:#fff;font-size:1.0625rem;}
.side-cta p{color:rgba(255,255,255,.86);font-size:.9375rem;margin:10px 0 16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--brand);}
.side-cta .btn:hover{background:var(--warm);color:#fff;}
/* ===== Related ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.related-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;height:100%;
  transition:transform .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-50);}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .thumb img{transform:scale(1.05);}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:1.0625rem;line-height:1.5;}
.related-card .meta{color:var(--muted);font-size:.8125rem;display:flex;gap:14px;flex-wrap:wrap;margin-top:auto;}
.related-card .meta i{color:var(--brand);margin-right:5px;}
/* ===== Narrow CTA ===== */
.narrow-cta{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-panel);
  padding:34px;box-shadow:var(--shadow-sm);display:flex;flex-wrap:wrap;align-items:center;
  gap:22px;justify-content:space-between;
}
.narrow-cta h2{font-size:1.375rem;margin-bottom:8px;}
.narrow-cta p{color:var(--muted);margin:0;max-width:640px;}
/* ===== Footer ===== */
.site-footer{background:#0E2A3D;color:#C9D8E4;margin-top:0;padding:64px 0 28px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 12% 20%,rgba(255,255,255,.06) 0,transparent 42%),
                   radial-gradient(circle at 82% 78%,rgba(72,179,154,.14) 0,transparent 46%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand),var(--accent));}
.footer-brand .brand-name{color:#fff;font-weight:700;font-size:1.0625rem;}
.site-footer p{color:#A9BFCF;font-size:.9375rem;line-height:1.8;}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#C9D8E4;font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:.9375rem;color:#C9D8E4;align-items:flex-start;}
.footer-contact i{color:var(--accent);margin-top:5px;}
.site-footer .btn-brand{margin-top:6px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:.8125rem;color:#8FA7B8;
}
/* ===== Responsive ===== */
@media (max-width:1199.98px){
  :root{--section-y:72px;}
  .paper{padding:34px;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .nav-toggle{display:inline-flex;}
  .seg-nav{
    position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--border);
    padding:16px 18px;margin:0;display:none;box-shadow:var(--shadow-md);
  }
  .seg-nav.open{display:flex;}
  .header-inner{position:relative;}
  .header-cta .btn{padding:10px 16px;font-size:.9375rem;}
  .sticky-toc{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767.98px){
  :root{--section-y:48px;}
  .brand-name{font-size:1rem;}
  .header-cta{display:none;}
  .article-head{padding:30px 0 4px;}
  .paper{padding:24px 20px;border-radius:18px;}
  .article-content{font-size:1rem;}
  .related-grid{grid-template-columns:1fr;}
  .narrow-cta{padding:24px;flex-direction:column;align-items:flex-start;}
  .site-footer{padding:48px 0 22px;}
}
@media (max-width:575.98px){
  h1{font-size:clamp(2rem,8vw,2.25rem);}
  .container{padding-left:15px;padding-right:15px;}
  .article-meta{gap:8px 16px;}
  .tag{padding:6px 12px;font-size:.8125rem;}
}

/* roulang page: category1 */
:root{
  --brand:#1B6FA8;
  --brand-700:#155B8C;
  --brand-50:#EAF4FB;
  --teal:#48B39A;
  --teal-50:#EAF7F3;
  --orange:#FF8B4D;
  --orange-50:#FFF1E8;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --text:#0F2233;
  --muted:#5B6C7C;
  --border:#DCE7F0;
  --danger:#D64545;
  --footer-bg:#0E2A3D;
  --footer-text:#C9D8E4;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:24px;
  --shadow-sm:0 2px 8px rgba(15,34,51,.06);
  --shadow-md:0 12px 32px rgba(15,34,51,.08);
  --shadow-lg:0 20px 48px rgba(15,34,51,.12);
  --section-y:80px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,h5{margin:0 0 .6em;color:var(--text);letter-spacing:.2px;}
h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.25;}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:650;line-height:1.3;}
h3{font-size:1.25rem;font-weight:600;line-height:1.4;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

.container{max-width:1280px;padding-left:20px;padding-right:20px;}
.section{padding:var(--section-y) 0;}
.section-sm{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;font-weight:600;color:var(--brand);
  background:var(--brand-50);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head p{color:var(--muted);margin:0;font-size:1.0625rem;}
.h2-bar{position:relative;padding-left:16px;}
.h2-bar::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:4px;background:var(--brand);
}

/* ============ 通用按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:1rem;
  padding:12px 24px;
  border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-brand:active{transform:translateY(0);}
.btn-outline-brand{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border);}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand);color:var(--brand-700);}
.btn-warm{background:var(--orange);color:#fff;}
.btn-warm:hover{background:#F2762F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-lg{padding:14px 30px;font-size:1.0625rem;}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;background:#E7EEF5;color:var(--muted);border-color:var(--border);box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;color:var(--brand);font-size:.9375rem;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-bar{
  display:flex;align-items:center;gap:20px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;font-weight:700;font-size:1rem;letter-spacing:.5px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.brand-name{font-weight:700;font-size:1.125rem;color:var(--text);letter-spacing:.3px;}
.brand:hover .brand-name{color:var(--brand-700);}

.seg-nav{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  background:var(--bg);border:1px solid var(--border);
  border-radius:999px;padding:5px;margin-left:auto;margin-right:auto;
}
.seg-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:var(--muted);
  background:transparent;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.seg-chip:hover{background:var(--brand-50);color:var(--brand-700);}
.seg-chip.active{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--border);color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.125rem;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand-700);}
.mobile-nav{
  display:none;padding:16px 0 22px;
  border-top:1px solid var(--border);margin-top:6px;
}
.mobile-nav.open{display:block;}
.seg-nav-mobile{
  display:flex;flex-wrap:wrap;gap:8px;background:transparent;border:0;padding:0;
  border-radius:0;margin:0 0 16px;
}
.seg-nav-mobile .seg-chip{
  border:1px solid var(--border);background:#fff;padding:9px 16px;
}
.seg-nav-mobile .seg-chip.active{border-color:var(--brand);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:#fff;border-bottom:1px solid var(--border);
  padding:14px 0;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B7C6D3;}
.crumb .current{color:var(--text);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  padding:64px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -120px -160px auto;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(27,111,168,.10),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--teal-50);color:#2F7F6C;font-size:.875rem;font-weight:600;
  border-radius:999px;padding:7px 16px;margin-bottom:18px;
}
.hero-badge i{color:var(--teal);}
.page-hero h1{margin-bottom:16px;}
.hero-sub{font-size:1.0625rem;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:8px 16px;font-size:.875rem;color:var(--muted);box-shadow:var(--shadow-sm);
}
.meta-pill i{color:var(--brand);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-panel);box-shadow:var(--shadow-lg);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-md);
  padding:14px 20px;border:1px solid var(--border);
}
.hero-float .num{font-size:1.5rem;font-weight:700;color:var(--brand);line-height:1.1;}
.hero-float .lab{font-size:.8125rem;color:var(--muted);}

/* ============ 数据条 ============ */
.stats-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:32px 0;}
.stat-item{text-align:center;padding:0 8px;border-right:1px dashed var(--border);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;color:var(--brand);line-height:1.15;}
.stat-lab{font-size:.875rem;color:var(--muted);margin-top:4px;}

/* ============ 筛选 chips ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);
  padding:18px 22px;box-shadow:var(--shadow-sm);margin-bottom:32px;
}
.filter-label{font-size:.875rem;color:var(--muted);font-weight:600;margin-right:4px;}
.filter-chip{
  border:1px solid var(--border);background:#fff;color:var(--muted);
  border-radius:999px;padding:8px 18px;font-size:.9375rem;font-weight:600;
  cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand-700);background:var(--brand-50);}
.filter-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 通道卡片 ============ */
.channel-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DDEC;}
.channel-thumb{position:relative;overflow:hidden;}
.channel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.channel-card:hover .channel-thumb img{transform:scale(1.04);}
.channel-state{
  position:absolute;top:12px;left:12px;
  font-size:.8125rem;font-weight:600;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-700);box-shadow:var(--shadow-sm);
}
.channel-state.open{color:#2F7F6C;}
.channel-state.hot{color:#C25A1F;}
.channel-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  font-size:.8125rem;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
}
.tag.teal{background:var(--teal-50);color:#2F7F6C;}
.tag.warm{background:var(--orange-50);color:#C25A1F;}
.channel-body h3{margin-bottom:10px;}
.channel-desc{color:var(--muted);font-size:.9375rem;margin-bottom:16px;}
.channel-facts{
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.875rem;color:var(--muted);
  padding-top:14px;border-top:1px dashed var(--border);margin-top:auto;
}
.channel-facts span{display:inline-flex;align-items:center;gap:6px;}
.channel-facts i{color:var(--brand);}
.channel-foot{padding:0 24px 24px;}

/* ============ 报名三步 ============ */
.steps-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);padding:44px;box-shadow:var(--shadow-sm);}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.step-item{position:relative;padding-left:0;}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);
  font-weight:700;font-size:1.0625rem;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step-item h3{margin-bottom:8px;font-size:1.125rem;}
.step-item p{color:var(--muted);font-size:.9375rem;margin:0;}

/* ============ 图文小板块 ============ */
.split-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-block img{width:100%;aspect-ratio:8/5;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-md);}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;color:var(--muted);margin-bottom:12px;
}
.check-list i{color:var(--teal);margin-top:5px;font-size:.875rem;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-wrap .accordion-item{
  border:1px solid var(--border);border-radius:14px !important;
  margin-bottom:14px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-wrap .accordion-button{
  background:#fff;color:var(--text);font-weight:600;font-size:1.0625rem;
  padding:20px 24px;border-radius:14px !important;box-shadow:none;
  border-left:4px solid transparent;
}
.faq-wrap .accordion-button:not(.collapsed){
  background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand);
}
.faq-wrap .accordion-button::after{
  width:1rem;height:1rem;background-size:1rem;
  transition:transform .25s ease;
}
.faq-wrap .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-wrap .accordion-body{
  padding:4px 24px 22px;color:var(--muted);font-size:.9688rem;line-height:1.8;
}

/* ============ CTA 表单 ============ */
.cta-panel{
  background:linear-gradient(150deg,#0E2A3D 0%,#154C6E 55%,#1B6FA8 100%);
  border-radius:var(--r-panel);padding:52px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:rgba(72,179,154,.18);
}
.cta-panel h2{color:#fff;position:relative;z-index:2;}
.cta-panel p.lead-text{color:#C9D8E4;position:relative;z-index:2;margin-bottom:0;}
.cta-form{position:relative;z-index:2;}
.form-label{font-size:.9375rem;font-weight:600;color:#E4EEF6;margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.94);color:var(--text);font-size:.9688rem;
  padding:0 14px;
}
.form-control:focus,.form-select:focus{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,139,77,.25);
}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;}
.form-check-input{width:18px;height:18px;margin-top:3px;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:.875rem;color:#C9D8E4;}
.form-note{font-size:.8125rem;color:#9DB4C6;margin-top:12px;margin-bottom:0;}
.form-note a{color:#E4EEF6;text-decoration:underline;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  background:linear-gradient(140deg,#1B6FA8,#48B39A);
}
.footer-brand .brand-name{color:#fff;font-weight:700;font-size:1.125rem;}
.site-footer p{color:#9DB4C6;font-size:.9375rem;}
.site-footer h4{color:#fff;font-size:1rem;font-weight:650;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--footer-text);font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:#9DB4C6;margin-bottom:12px;}
.footer-contact i{color:var(--teal);margin-top:5px;}
.site-footer .btn-brand{background:var(--brand);}
.site-footer .btn-brand:hover{background:#237FBE;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:#8AA3B5;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .seg-nav{margin-left:auto;margin-right:0;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{order:-1;}
  .hero-float{left:12px;bottom:12px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-item:nth-child(2){border-right:0;}
  .split-block{grid-template-columns:1fr;gap:28px;}
  .steps-grid{grid-template-columns:1fr;gap:24px;}
  .cta-panel{padding:36px 26px;}
  .steps-wrap{padding:30px 24px;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:767.98px){
  :root{--section-y:48px;}
  .page-hero{padding:40px 0 48px;}
  .hero-sub{font-size:1rem;}
  .hero-actions .btn{flex:1 1 100%;}
  .filter-bar{padding:14px;border-radius:var(--r-card);}
  .channel-body{padding:20px;}
  .channel-foot{padding:0 20px 20px;}
  .faq-wrap .accordion-button{padding:16px 18px;font-size:1rem;}
  .faq-wrap .accordion-body{padding:2px 18px 18px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .brand-name{font-size:1rem;}
  .hero-float{display:none;}
  .stat-item{border-right:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .hero-sub{max-width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#1B6FA8;
  --brand-700:#155B8C;
  --brand-50:#EAF4FB;
  --accent:#48B39A;
  --warm:#FF8B4D;
  --warm-50:#FFF3EA;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --text:#0F2233;
  --muted:#5B6C7C;
  --border:#DCE7F0;
  --danger:#D64545;
  --footer-bg:#0E2A3D;
  --footer-text:#C9D8E4;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-panel:24px;
  --shadow-sm:0 2px 8px rgba(15,34,51,.06);
  --shadow-md:0 12px 32px rgba(15,34,51,.08);
  --shadow-lg:0 20px 48px rgba(15,34,51,.12);
  --section-y:80px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,h5{margin:0;color:var(--text);letter-spacing:.2px;}
h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.25;}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:650;line-height:1.35;}
h3{font-size:1.25rem;font-weight:600;line-height:1.5;}
p{margin:0 0 1rem;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text);}
:focus-visible{outline:2px solid var(--warm);outline-offset:2px;border-radius:4px;}

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

/* ============ 通用元素 ============ */
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;color:var(--brand);background:var(--brand-50);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--muted);}

.btn{transition:all .2s ease;border-radius:var(--radius-btn);font-weight:600;border:1px solid transparent;}
.btn:focus-visible{outline:2px solid var(--warm);outline-offset:2px;box-shadow:none;}
.btn-brand{
  background:var(--brand);color:#fff;padding:12px 24px;
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--brand);border:1px solid var(--brand);
  padding:12px 24px;display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-warm{
  background:var(--warm);color:#fff;padding:12px 26px;
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn-warm:hover{background:#f0743a;color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,139,77,.32);}
.btn-text{
  background:none;border:none;color:var(--brand);font-weight:600;padding:0;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand-700);}
.btn-text:hover i{transform:translateX(3px);}
.btn-disabled,.btn:disabled{background:#EDF2F7;color:#9AA9B6;border-color:#E3EBF2;opacity:.75;cursor:not-allowed;transform:none;box-shadow:none;}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;padding:6px 14px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);border:1px solid #D3E7F5;font-weight:600;
}
.chip-accent{background:#E8F6F2;color:#2C8A76;border-color:#CFEAE3;}
.chip-warm{background:var(--warm-50);color:#C25A1F;border-color:#FBDCC7;}

.cloud-divider{
  height:26px;width:100%;
  background-image:radial-gradient(circle at 12px 26px,transparent 10px,#1B6FA8 11px,transparent 12px);
  background-size:48px 26px;background-repeat:repeat-x;
  opacity:.07;margin:0;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(15,34,51,.04);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#2E8BC4);
  color:#fff;font-weight:700;font-size:.95rem;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(27,111,168,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.06rem;font-weight:700;}
.brand-text small{font-size:.75rem;color:var(--muted);}

.seg-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;flex-wrap:wrap;}
.seg-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:999px;font-size:.95rem;font-weight:600;
  color:var(--muted);background:transparent;border:1px solid transparent;white-space:nowrap;
}
.seg-chip:hover{background:var(--brand-50);color:var(--brand-700);}
.seg-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(27,111,168,.24);}
.header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--brand);align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-50);}
.mobile-drawer{
  display:none;border-top:1px solid var(--border);background:#fff;padding:16px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .seg-nav{flex-direction:column;align-items:stretch;gap:10px;}
.mobile-drawer .seg-chip{justify-content:flex-start;border-radius:12px;background:#F7FAFC;}
.mobile-drawer .seg-chip.active{background:var(--brand);}
.mobile-drawer .btn-brand{width:100%;margin-top:6px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:18px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li:not(:last-child)::after{content:"/";color:#B9C8D4;}
.crumb-list a{color:var(--muted);}
.crumb-list a:hover{color:var(--brand);}
.crumb-list .current{color:var(--text);font-weight:600;}

/* ============ 页面标题区 ============ */
.page-hero{padding:34px 0 8px;}
.page-hero h1{margin-bottom:14px;}
.page-hero .lead{color:var(--muted);font-size:1.05rem;max-width:760px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.page-hero .hero-figure{margin-top:24px;border-radius:var(--radius-panel);overflow:hidden;box-shadow:var(--shadow-md);}
.page-hero .hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ 分栏文档布局 ============ */
.doc-section{padding:48px 0 var(--section-y);}
.doc-layout{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start;}
.doc-aside{position:sticky;top:96px;}
.doc-nav{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-panel);
  padding:22px;box-shadow:var(--shadow-sm);
}
.doc-nav h3{font-size:1rem;margin-bottom:6px;}
.doc-nav .doc-nav-sub{font-size:.8125rem;color:var(--muted);margin-bottom:14px;}
.doc-nav ol{counter-reset:doc;display:flex;flex-direction:column;gap:4px;}
.doc-nav a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 10px;border-radius:10px;color:var(--muted);font-size:.925rem;line-height:1.5;
}
.doc-nav a::before{
  counter-increment:doc;content:counter(doc,decimal-leading-zero);
  color:#9FB4C4;font-size:.75rem;font-weight:700;letter-spacing:.5px;padding-top:3px;
}
.doc-nav a:hover{background:var(--brand-50);color:var(--brand-700);}
.doc-aside .aside-cta{
  margin-top:18px;background:linear-gradient(160deg,#F2F8FC,#EAF4FB);
  border:1px solid #D7E9F6;border-radius:var(--radius-panel);padding:22px;
}
.doc-aside .aside-cta p{font-size:.875rem;color:var(--muted);margin:8px 0 14px;}

.doc-main{display:flex;flex-direction:column;gap:22px;}
.doc-block{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-panel);
  padding:28px 30px;box-shadow:var(--shadow-sm);scroll-margin-top:100px;
}
.doc-block .block-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.num-badge{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:var(--brand-50);color:var(--brand);font-weight:700;font-size:.875rem;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
}
.doc-block h2{font-size:1.35rem;}
.doc-block h3{font-size:1.0625rem;margin:22px 0 8px;}
.doc-block p{color:#2B3E4F;}
.rule-list{display:flex;flex-direction:column;gap:12px;margin:6px 0 0;}
.rule-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:#2B3E4F;}
.rule-list li i{color:var(--accent);margin-top:6px;font-size:.8rem;}
.rule-list li.warn i{color:var(--warm);}
.note-box{
  margin-top:18px;background:#F7FAFD;border:1px solid #E2EDF6;border-left:4px solid var(--brand);
  border-radius:12px;padding:14px 18px;font-size:.9rem;color:var(--muted);
}

/* ============ 权益对比 ============ */
.compare-wrap{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-panel);
  padding:8px;box-shadow:var(--shadow-sm);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px;}
table.compare-table th,table.compare-table td{
  padding:16px 18px;font-size:.925rem;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;
}
table.compare-table thead th{
  background:#F7FAFD;color:var(--text);font-weight:650;font-size:.95rem;white-space:nowrap;
}
table.compare-table thead th:first-child{border-top-left-radius:14px;}
table.compare-table thead th:last-child{border-top-right-radius:14px;}
table.compare-table tbody th{
  font-weight:600;color:var(--muted);background:#FCFDFE;white-space:nowrap;
}
table.compare-table tbody tr:last-child th,
table.compare-table tbody tr:last-child td{border-bottom:none;}
table.compare-table .col-rec{background:var(--warm-50);}
table.compare-table thead .col-rec{background:#FFE9D8;color:#B4551C;}
.rec-tag{
  display:inline-block;font-size:.7rem;font-weight:700;color:#fff;background:var(--warm);
  padding:2px 8px;border-radius:999px;margin-left:8px;vertical-align:middle;
}
.compare-table .yes{color:var(--accent);font-weight:700;}
.compare-table .no{color:#A9B8C6;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);transition:all .22s ease;position:relative;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px;
  box-shadow:0 8px 18px rgba(27,111,168,.24);
}
.step-item h3{font-size:1.0625rem;margin-bottom:8px;}
.step-item p{font-size:.9rem;color:var(--muted);}
.step-item .step-tail{
  position:absolute;right:-14px;top:44px;color:#CFE0EC;font-size:1.1rem;
}
.steps .step-item:last-child .step-tail{display:none;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border);border-radius:14px !important;margin-bottom:12px;
  background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand);}
.accordion-button{
  background:var(--surface);color:var(--text);font-weight:600;font-size:1rem;
  padding:18px 22px;box-shadow:none !important;border:none;
}
.accordion-button:not(.collapsed){background:#F7FAFD;color:var(--brand-700);}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free",sans-serif;
  font-weight:900;font-size:.8rem;color:var(--brand);
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);border-radius:50%;transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(135deg);background:#DCEBF7;}
.accordion-body{padding:4px 22px 20px;color:var(--muted);font-size:.95rem;}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--section-y);}
.cta-panel{
  background:linear-gradient(150deg,#123C58 0%,#1B6FA8 100%);
  border-radius:var(--radius-panel);color:#fff;padding:44px 44px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";position:absolute;inset:auto -60px -90px auto;width:360px;height:360px;
  background-image:radial-gradient(circle at 12px 26px,transparent 10px,rgba(255,255,255,.16) 11px,transparent 12px);
  background-size:48px 26px;opacity:.6;pointer-events:none;
}
.cta-panel h2{color:#fff;}
.cta-panel p{color:#D7E7F2;max-width:520px;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;position:relative;z-index:2;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:#D7E7F2;font-size:.925rem;}
.cta-points li i{color:var(--warm);margin-top:6px;font-size:.8rem;}
.cta-form{
  background:rgba(255,255,255,.97);border-radius:20px;padding:26px;color:var(--text);
  box-shadow:var(--shadow-md);
}
.cta-form h3{font-size:1.125rem;margin-bottom:6px;}
.cta-form .form-hint{font-size:.8125rem;color:var(--muted);margin-bottom:16px;}
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:6px;}
.form-field .form-control,.form-field .form-select{
  height:48px;border-radius:var(--radius-btn);border:1px solid var(--border);
  background:#FBFDFE;font-size:.95rem;padding:0 14px;
}
.form-field textarea.form-control{height:auto;min-height:92px;padding:12px 14px;line-height:1.6;}
.form-field .form-control:focus,.form-field .form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,111,168,.14);background:#fff;
}
.form-check-input{width:18px;height:18px;margin-top:4px;border-color:#BFD2E0;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:.86rem;color:var(--muted);}
.form-privacy{font-size:.78rem;color:#8195A6;margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:60px 0 26px;margin-top:0;}
.site-footer h4{color:#fff;font-size:1rem;font-weight:650;margin-bottom:16px;}
.site-footer p{font-size:.9rem;color:#A9C0D1;line-height:1.8;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{width:40px;height:40px;box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:1.0625rem;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#A9C0D1;font-size:.9rem;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:#A9C0D1;}
.footer-contact li i{color:var(--accent);margin-top:5px;font-size:.85rem;}
.site-footer .btn-brand{background:var(--brand);}
.site-footer .btn-brand:hover{background:#2E8BC4;}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(201,216,228,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:#8FA8BB;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .doc-layout{grid-template-columns:250px 1fr;gap:28px;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .seg-nav{display:none;}
  .header-cta .btn-brand{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;min-height:66px;}
  .doc-layout{grid-template-columns:1fr;}
  .doc-aside{position:static;}
  .doc-nav ol{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .doc-nav a{background:#F7FAFD;border:1px solid var(--border);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-item .step-tail{display:none;}
  .cta-grid{grid-template-columns:1fr;}
  .cta-panel{padding:34px 26px;}
}
@media (max-width:767.98px){
  :root{--section-y:48px;}
  h1{font-size:clamp(2rem,7vw,2.25rem);}
  .page-hero{padding:22px 0 6px;}
  .page-hero h1{font-size:1.75rem;}
  .doc-block{padding:22px 20px;border-radius:20px;}
  .doc-main{gap:16px;}
  .compare-wrap{border-radius:20px;}
  table.compare-table th,table.compare-table td{padding:13px 14px;font-size:.875rem;}
  .steps{grid-template-columns:1fr;gap:14px;}
  .step-item{padding:20px;}
  .cta-panel{padding:28px 20px;border-radius:20px;}
  .cta-form{padding:20px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .brand-text small{display:none;}
  .hero-badges{gap:8px;}
  .chip{font-size:.8125rem;padding:5px 12px;}
  .step-num{width:40px;height:40px;}
  .doc-nav a{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#1B6FA8;
  --brand-700:#155B8C;
  --brand-50:#EAF4FB;
  --teal:#48B39A;
  --orange:#FF8B4D;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --text:#0F2233;
  --muted:#5B6C7C;
  --border:#DCE7F0;
  --danger:#D64545;
  --shadow-sm:0 2px 8px rgba(15,34,51,.06);
  --shadow-md:0 12px 32px rgba(15,34,51,.08);
  --shadow-lg:0 20px 48px rgba(15,34,51,.12);
  --r-btn:10px;
  --r-card:16px;
  --r-panel:24px;
  --r-chip:999px;
  --sec-desktop:80px;
  --sec-tablet:64px;
  --sec-mobile:48px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.3;}
h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.25;}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:650;}
h3{font-size:1.25rem;font-weight:600;}
p{margin:0 0 1rem;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{max-width:1240px;padding-left:20px;padding-right:20px;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(15,34,51,.02);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:74px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.125rem;color:var(--text);
  white-space:nowrap;
}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-700));
  color:#fff;font-size:.9rem;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--shadow-sm);
}
.brand:hover{color:var(--brand-700);}
.seg-nav{
  display:flex;align-items:center;gap:8px;flex:1;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-chip);
  padding:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-nav::-webkit-scrollbar{display:none;}
.seg-chip{
  display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:var(--r-chip);
  font-size:.9375rem;color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.seg-chip:hover{background:var(--brand-50);color:var(--brand-700);}
.seg-chip.active{
  background:var(--brand);color:#fff;
  box-shadow:0 6px 16px rgba(27,111,168,.28);
}
.header-cta{white-space:nowrap;}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--border);
  border-radius:10px;width:44px;height:44px;color:var(--text);
  align-items:center;justify-content:center;font-size:1.1rem;
}

/* ============ Buttons ============ */
.btn-brand{
  background:var(--brand);border:1px solid var(--brand);color:#fff;
  border-radius:var(--r-btn);padding:12px 24px;font-weight:600;
  box-shadow:0 6px 18px rgba(27,111,168,.22);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(21,91,140,.28);}
.btn-brand:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.btn-ghost{
  background:#fff;border:1px solid var(--brand);color:var(--brand);
  border-radius:var(--r-btn);padding:12px 24px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px);}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;background:none;border:0;padding:0;
}
.btn-link-arrow i{transition:transform .2s ease;}
.btn-link-arrow:hover i{transform:translateX(3px);}

/* ============ Chips / Badges ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-chip);
  font-size:.8125rem;background:var(--brand-50);color:var(--brand-700);
}
.tag-teal{background:rgba(72,179,154,.14);color:#2F8C77;}
.tag-orange{background:rgba(255,139,77,.16);color:#C25F27;}
.tag-muted{background:#EEF3F7;color:var(--muted);}
.status{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-chip);font-size:.8125rem;font-weight:600;
}
.status-done{background:#EEF3F7;color:#6B7C8C;}
.status-live{background:rgba(72,179,154,.16);color:#2F8C77;}
.status-soon{background:rgba(255,139,77,.18);color:#C25F27;}

/* ============ Breadcrumb ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:.875rem;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3D2DE;}
.crumb .current{color:var(--text);font-weight:600;}

/* ============ Sections ============ */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-title{margin-bottom:10px;}
.section-lead{color:var(--muted);max-width:720px;margin-bottom:0;}
.section-head{margin-bottom:40px;}
.h2-bar{position:relative;padding-left:16px;}
.h2-bar::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--brand);
}

/* ============ Hero ============ */
.hero{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:64px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(27,111,168,.10),rgba(27,111,168,0) 68%);
  pointer-events:none;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.hero h1{margin-bottom:16px;}
.hero-sub{
  color:var(--muted);font-size:1.0625rem;line-height:1.8;
  max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;
  padding-top:22px;border-top:1px dashed var(--border);
}
.hero-meta-item{display:flex;align-items:center;gap:10px;font-size:.9375rem;color:var(--text);}
.hero-meta-item i{color:var(--brand);}
.hero-figure{
  border-radius:var(--r-panel);overflow:hidden;
  box-shadow:var(--shadow-lg);position:relative;background:var(--brand-50);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,34,51,.72);color:#fff;
  padding:8px 14px;border-radius:var(--r-chip);font-size:.8125rem;
}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(72,179,154,.55),rgba(27,111,168,.25));
}
.tl-item{position:relative;padding-left:60px;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:8px;top:6px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--teal);
  display:flex;align-items:center;justify-content:center;
}
.tl-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);}
.tl-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DCEB;}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-date{
  font-size:.875rem;color:var(--brand);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.tl-card h3{margin-bottom:8px;}
.tl-card p{color:var(--muted);margin-bottom:12px;}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ Zigzag ============ */
.zigzag{display:grid;gap:40px;}
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);
  padding:28px;box-shadow:var(--shadow-sm);
}
.zig-row.reverse .zig-media{order:2;}
.zig-row.reverse .zig-body{order:1;}
.zig-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.zig-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-50);color:var(--brand-700);font-weight:700;font-size:.9375rem;
  margin-bottom:14px;
}
.zig-body h3{margin-bottom:10px;}
.zig-body p{color:var(--muted);}
.zig-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;color:var(--text);padding:6px 0;
}
.zig-list i{color:var(--teal);margin-top:5px;font-size:.8125rem;}

/* ============ Stat strip ============ */
.stat-strip{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);
  padding:28px;box-shadow:var(--shadow-sm);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-cell{padding:6px 4px;}
.stat-num{font-size:2rem;font-weight:700;color:var(--brand);line-height:1.1;}
.stat-label{font-size:.875rem;color:var(--muted);margin-top:6px;}

/* ============ Card list ============ */
.card-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.info-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DCEB;}
.info-card h3{font-size:1.0625rem;margin-bottom:8px;}
.info-card p{color:var(--muted);font-size:.9375rem;margin-bottom:14px;}
.info-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-top:14px;border-top:1px dashed var(--border);font-size:.8125rem;color:var(--muted);
}

/* ============ FAQ ============ */
.faq .accordion-item{
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:var(--shadow-sm);
}
.faq .accordion-button{
  background:#fff;color:var(--text);font-weight:600;font-size:1rem;
  padding:18px 20px;box-shadow:none;border-left:4px solid transparent;
}
.faq .accordion-button:not(.collapsed){
  background:var(--brand-50);color:var(--brand-700);
  border-left:4px solid var(--brand);box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";
  font-weight:900;font-size:.8125rem;color:var(--muted);
  width:auto;height:auto;transform:rotate(-90deg);transition:transform .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(0);color:var(--brand);}
.faq .accordion-body{padding:4px 20px 20px;color:var(--muted);font-size:.9375rem;line-height:1.8;}

/* ============ CTA ============ */
.cta-panel{
  background:linear-gradient(135deg,#123E5C,#1B6FA8);
  border-radius:var(--r-panel);
  padding:48px;
  color:#fff;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.cta-panel h2{color:#fff;}
.cta-panel p{color:#CFE2F0;max-width:620px;}
.cta-panel .btn-white{
  background:#fff;color:var(--brand-700);border:1px solid #fff;
  border-radius:var(--r-btn);padding:12px 24px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cta-panel .btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.18);color:var(--brand-700);}
.cta-panel .btn-outline-light2{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);
  border-radius:var(--r-btn);padding:12px 24px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.cta-panel .btn-outline-light2:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);color:#fff;}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ Footer ============ */
.site-footer{
  background:#0E2A3D;color:#C9D8E4;padding:64px 0 0;margin-top:80px;
}
.site-footer h4{
  color:#fff;font-size:1rem;font-weight:600;margin-bottom:16px;
}
.site-footer p{color:#A9C0D2;font-size:.9375rem;line-height:1.8;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-weight:700;font-size:1.0625rem;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#C9D8E4;font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:.9375rem;color:#A9C0D2;align-items:flex-start;}
.footer-contact i{color:var(--teal);margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:#8FA9BD;
}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .container{max-width:1080px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:52px 0 60px;}
  .header-inner{gap:14px;}
  .seg-nav{display:none;}
  .seg-nav.open{
    display:flex;flex-wrap:wrap;order:3;width:100%;
    margin:0 0 16px;padding:10px;
  }
  .seg-nav.open .seg-chip{padding:8px 14px;font-size:.875rem;}
  .header-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-cta{order:4;width:100%;margin:0 0 16px;}
  .header-cta .btn-brand{width:100%;text-align:center;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .card-list{grid-template-columns:1fr;}
  .cta-panel{padding:36px 28px;}
}
@media (max-width:767.98px){
  .hero::after{display:none;}
  .hero-sub{font-size:1rem;}
  .zig-row{grid-template-columns:1fr;gap:22px;padding:20px;}
  .zig-row.reverse .zig-media{order:1;}
  .zig-row.reverse .zig-body{order:2;}
  .timeline::before{left:11px;}
  .tl-item{padding-left:42px;}
  .tl-dot{left:0;width:22px;height:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  h1{font-size:2rem;}
  .hero{padding:40px 0 46px;}
  .tl-card{padding:20px;}
  .info-card{padding:20px;}
  .stat-num{font-size:1.625rem;}
  .stat-strip{padding:20px;}
  .cta-panel{padding:28px 20px;border-radius:18px;}
  .hero-meta{gap:14px;}
}