/* roulang page: index */
:root{
  --primary:#175A78;
  --primary-dark:#0F3A50;
  --accent:#C9A24B;
  --bg:#F5F7FA;
  --white:#ffffff;
  --light-blue:#EAF1F6;
  --title:#132832;
  --text:#324A57;
  --muted:#6B7F8D;
  --border:#DCE5EA;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(15,58,80,.04);
  --shadow-md:0 8px 24px rgba(15,58,80,.10);
  --shadow-lg:0 6px 20px rgba(15,58,80,.12);
  --sidebar-w:240px;
  --header-h:60px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .25s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 48px}
.section{padding:96px 0}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:48px;gap:24px}
.section-title{font-size:1.625rem;line-height:1.3;font-weight:700;color:var(--title);position:relative}
.section-title::before{content:"";display:inline-block;width:5px;height:26px;background:var(--accent);border-radius:3px;margin-right:12px;vertical-align:-3px}
.section-link{font-size:.9375rem;font-weight:500;color:var(--primary);white-space:nowrap}
.section-link:hover{color:var(--primary-dark);text-decoration:underline}
.badge-gold{display:inline-block;background:rgba(201,162,75,.12);color:#9a7a2e;font-size:.75rem;font-weight:500;padding:3px 12px;border-radius:20px;border:1px solid rgba(201,162,75,.35)}
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:#FCFDFE;border-right:1px solid #E3EAF0;
  display:flex;flex-direction:column;z-index:100;
}
.sidebar-logo{
  display:flex;align-items:center;gap:12px;
  padding:28px 24px 24px;border-bottom:1px solid var(--border);
}
.logo-icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--primary-dark);display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-icon svg{width:22px;height:22px;stroke:var(--accent)}
.logo-text{
  font-size:1.125rem;font-weight:700;color:var(--primary-dark);
  line-height:1.35;
}
.logo-text small{display:block;font-size:.75rem;font-weight:400;color:var(--muted);margin-top:2px}
.sidebar-nav{flex:1;padding:20px 12px;overflow-y:auto}
.nav-group-title{
  font-size:.75rem;font-weight:500;color:var(--muted);
  padding:14px 12px 6px;letter-spacing:.08em;text-transform:uppercase;
}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;margin:2px 0;
  border-radius:10px;
  font-size:.9375rem;font-weight:500;color:var(--text);
  border-left:3px solid transparent;
  transition:background .25s,color .25s,border-color .25s;
}
.nav-item svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.nav-item:hover{background:#E8F0F5;color:var(--primary-dark)}
.nav-item.active{
  background:#E8F0F5;color:var(--primary-dark);
  border-left-color:var(--primary);font-weight:600;
}
.sidebar-footer{
  padding:20px 24px;border-top:1px solid var(--border);
  font-size:.8125rem;color:var(--muted);
  display:flex;align-items:center;gap:8px;
}
.sidebar-footer svg{width:16px;height:16px;stroke:var(--accent);flex-shrink:0}
.main-wrapper{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.mobile-header{
  display:none;position:sticky;top:0;z-index:90;
  height:var(--header-h);background:var(--white);
  border-bottom:1px solid var(--border);
  padding:0 20px;align-items:center;justify-content:space-between;
}
.mobile-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--primary-dark);font-size:1.0625rem}
.mobile-logo .logo-icon{width:34px;height:34px;border-radius:9px}
.mobile-logo .logo-icon svg{width:18px;height:18px}
.hamburger-btn{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--primary-dark);
}
.hamburger-btn:hover{background:var(--light-blue)}
.hamburger-btn svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.5}
.drawer-overlay{
  display:none;position:fixed;inset:0;background:rgba(15,30,40,.4);
  z-index:120;opacity:0;transition:opacity .3s;
}
.drawer-overlay.show{opacity:1;display:block}
.drawer{
  position:fixed;top:0;right:0;width:min(85%,320px);height:100vh;
  background:#FCFDFE;z-index:130;transform:translateX(100%);
  transition:transform .35s ease;display:flex;flex-direction:column;
  box-shadow:-6px 0 20px rgba(15,58,80,.12);
}
.drawer.open{transform:translateX(0)}
.drawer-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);
}
.drawer-close{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text)}
.drawer-close:hover{background:var(--light-blue)}
.drawer-close svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5}
.drawer-nav{flex:1;padding:12px;display:flex;flex-direction:column}
.drawer-footer{padding:18px 20px;border-top:1px solid var(--border);font-size:.8125rem;color:var(--muted)}
/* Hero */
.hero{
  position:relative;
  background:linear-gradient(180deg,#F5F7FA 0%,#E8F0F5 100%);
  padding:88px 48px 64px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-80px;right:-60px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(23,90,120,.08) 0%,transparent 70%);
  pointer-events:none;
}
.hero-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:64px;position:relative;z-index:1}
.hero-content{flex:0 0 58%;max-width:58%}
.hero-media{flex:0 0 42%;max-width:42%;position:relative}
.hero-media img{
  width:100%;border-radius:var(--radius-lg);object-fit:cover;
  box-shadow:var(--shadow-md);border:1px solid var(--border);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(201,162,75,.5);color:#9a7a2e;
  font-size:.8125rem;font-weight:500;letter-spacing:.05em;
  padding:6px 16px;border-radius:24px;margin-bottom:24px;
  background:rgba(255,255,255,.6);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-title{
  font-size:clamp(2rem,4vw,2.75rem);line-height:1.2;font-weight:700;color:var(--title);
  margin-bottom:20px;letter-spacing:-.01em;
}
.hero-subtitle{
  font-size:1.0625rem;color:var(--text);line-height:1.8;
  margin-bottom:32px;max-width:560px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:48px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:10px;
  font-size:.9375rem;font-weight:500;line-height:1.4;
  transition:all .25s;border:1px solid transparent;
}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.btn-primary{background:var(--primary-dark);color:#fff}
.btn-primary:hover{background:var(--primary);color:#fff;box-shadow:0 3px 10px rgba(23,90,120,.2);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(23,90,120,.05);color:var(--primary-dark);border-color:var(--primary-dark)}
.btn-outline:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(23,90,120,.22)}
.btn-gold{background:var(--accent);color:var(--title);border-color:var(--accent)}
.btn-gold:hover{background:#B8923B;color:var(--title);border-color:#B8923B}
.btn-light-outline{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-light-outline:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff}
.hero-trust{
  display:flex;border-top:1px solid rgba(15,58,80,.12);
  padding-top:32px;gap:48px;
}
.trust-item{display:flex;flex-direction:column;gap:4px}
.trust-item svg{width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:1.5;margin-bottom:6px}
.trust-number{font-size:1.375rem;font-weight:700;color:var(--primary-dark)}
.trust-label{font-size:.8125rem;color:var(--muted)}
/* 内容网格 */
.content-grid-section{background:var(--white)}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .3s,border-color .3s,transform .3s;
  display:flex;flex-direction:column;
}
.content-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-3px)}
.content-card .card-img{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--border);background:var(--light-blue)}
.content-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.content-card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.card-title{font-size:1.0625rem;font-weight:600;color:var(--title);line-height:1.45;margin-bottom:10px}
.card-excerpt{font-size:.875rem;color:var(--muted);line-height:1.65;margin-bottom:18px;flex:1}
.card-link{font-size:.875rem;font-weight:500;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:color .25s}
.card-link:hover{color:var(--primary-dark)}
.card-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;transition:transform .3s}
.card-link:hover svg{transform:translateX(4px)}
.grid-2-wide{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px}
.card-wide{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  display:flex;overflow:hidden;transition:box-shadow .3s,border-color .3s,transform .3s;
}
.card-wide:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-3px)}
.card-wide .card-img{width:44%;aspect-ratio:auto;min-height:220px;background:var(--light-blue);border-right:1px solid var(--border)}
.card-wide .card-img img{width:100%;height:100%;object-fit:cover}
.card-wide .card-body{width:56%;padding:28px}
.card-wide .card-title{font-size:1.125rem}
/* 评价轮播 */
.reviews-section{background:var(--bg)}
.reviews-wrapper{position:relative}
.reviews-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 0 24px;scrollbar-width:none;
}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 380px;max-width:380px;scroll-snap-align:start;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;transition:box-shadow .3s;
}
.review-card:hover{box-shadow:var(--shadow-md)}
.review-stars{display:flex;gap:3px;margin-bottom:16px}
.review-stars svg{width:18px;height:18px;fill:var(--accent)}
.review-text{font-size:.9375rem;line-height:1.7;color:var(--text);flex:1}
.review-author{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.review-avatar{
  width:40px;height:40px;border-radius:50%;
  background:var(--light-blue);display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-weight:600;font-size:.875rem;flex-shrink:0;
}
.review-name{font-size:.875rem;font-weight:600;color:var(--title)}
.review-source{font-size:.75rem;color:var(--muted)}
.reviews-controls{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:12px}
.review-arrow{
  width:48px;height:48px;border-radius:50%;
  background:var(--white);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);transition:all .25s;
}
.review-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.review-arrow:active{transform:scale(.95)}
.review-arrow svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5}
.review-dots{display:flex;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:#CBD6DE;transition:background .3s,transform .3s}
.dot.active{background:var(--primary);transform:scale(1.25)}
/* 保障条 */
.guarantees{background:var(--light-blue);padding:56px 0}
.guarantees-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.guarantee-item{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.guarantee-icon{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  background:var(--white);border-radius:10px;color:var(--primary);
}
.guarantee-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5}
.guarantee-title{font-size:1rem;font-weight:600;color:var(--title)}
.guarantee-desc{font-size:.875rem;color:var(--muted);line-height:1.6}
/* 资讯列表 */
.news-section{background:var(--white)}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{
  display:flex;align-items:center;gap:24px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;transition:box-shadow .3s,border-color .3s,transform .3s;
}
.news-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-2px)}
.news-thumb{
  flex-shrink:0;width:160px;height:100px;border-radius:10px;overflow:hidden;background:var(--light-blue);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.news-date{font-size:.8125rem;color:var(--muted)}
.news-title{
  font-size:1.0625rem;font-weight:600;color:var(--title);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:6px;transition:color .25s;
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
  font-size:.875rem;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.news-link{font-size:.875rem;font-weight:500;color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.news-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.5}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:64px 32px;border:1px dashed var(--border);border-radius:var(--radius);
  background:var(--bg);text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--muted);fill:none;stroke-width:1.5;margin-bottom:16px}
.empty-state p{font-size:.9375rem;color:var(--muted);margin-bottom:16px}
/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);background:var(--white);border-left:1px solid var(--border);border-right:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border);border-radius:12px 12px 0 0}
.faq-item:last-child{border-radius:0 0 12px 12px}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;cursor:pointer;transition:background .25s;
}
.faq-question:hover{background:var(--light-blue)}
.faq-question-inner{display:flex;align-items:center;gap:16px}
.faq-number{
  width:28px;height:28px;border-radius:50%;
  background:var(--light-blue);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:.8125rem;font-weight:600;flex-shrink:0;
}
.faq-item.open .faq-number{background:var(--primary);color:#fff}
.faq-question-text{font-size:1rem;font-weight:600;color:var(--title)}
.faq-toggle{
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);transition:transform .35s;flex-shrink:0;font-size:1.375rem;line-height:1;
}
.faq-item.open .faq-toggle{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  padding:0 28px;color:var(--text);font-size:.9375rem;line-height:1.7;
}
.faq-item.open .faq-answer{max-height:500px;padding:0 28px 24px}
/* CTA */
.cta-banner{
  background:var(--primary-dark);position:relative;overflow:hidden;
  padding:88px 48px;text-align:center;
}
.cta-banner::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.cta-inner{max-width:720px;margin:0 auto}
.cta-title{font-size:1.875rem;font-weight:700;color:#fff;margin-bottom:16px;line-height:1.3}
.cta-subtitle{font-size:1rem;color:rgba(255,255,255,.72);margin-bottom:36px}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.cta-note{font-size:.8125rem;color:rgba(255,255,255,.5)}
/* 页脚 */
.footer{background:var(--primary-dark);padding:64px 48px 0}
.footer-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.15);
}
.footer-brand .logo-text{color:#fff;margin-bottom:12px}
.footer-brand .logo-text small{color:rgba(255,255,255,.5)}
.footer-desc{font-size:.8125rem;color:rgba(255,255,255,.65);line-height:1.7;margin-top:14px}
.footer-col-title{font-size:.9375rem;font-weight:600;color:#fff;margin-bottom:20px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:.875rem;color:rgba(255,255,255,.75);transition:color .25s}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:.875rem;color:rgba(255,255,255,.75)}
.footer-contact-item{display:flex;align-items:center;gap:10px}
.footer-contact-item svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:1.5;flex-shrink:0}
.footer-bottom{
  max-width:1280px;margin:0 auto;
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:.8125rem;color:rgba(255,255,255,.5);
}
/* 响应式 */
@media (max-width: 1200px){
  .hero{padding:64px 32px}
  .hero-inner{gap:40px}
  .container{padding:0 32px}
  .section{padding:80px 0}
}
@media (max-width: 992px){
  .sidebar{display:none}
  .main-wrapper{margin-left:0}
  .mobile-header{display:flex}
  .hero-inner{flex-direction:column;gap:40px}
  .hero-content{flex:0 0 100%;max-width:100%}
  .hero-media{flex:0 0 100%;max-width:100%}
  .content-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2-wide{grid-template-columns:1fr}
  .card-wide{flex-direction:column}
  .card-wide .card-img{width:100%;min-height:180px;border-right:none;border-bottom:1px solid var(--border)}
  .card-wide .card-body{width:100%}
  .guarantees-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding:48px 24px}
  .container{padding:0 24px}
  .section{padding:64px 0}
  .reviews-track{gap:16px}
  .review-card{flex:0 0 340px}
}
@media (max-width: 640px){
  .content-grid{grid-template-columns:1fr}
  .guarantees-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-trust{flex-direction:column;gap:24px}
  .hero{padding:40px 20px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-header{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .news-card{flex-direction:column;align-items:flex-start;gap:16px}
  .news-thumb{width:100%;height:180px}
  .cta-banner{padding:64px 20px}
  .cta-buttons{flex-direction:column}
  .cta-buttons .btn{width:100%}
  .footer{padding:48px 20px 0}
  .footer-bottom{flex-direction:column;text-align:center}
  .review-card{flex:0 0 calc(100vw - 48px)}
  .reviews-controls{padding:0 20px}
}

/* roulang page: category1 */
:root{
  --primary:#175A78;
  --primary-dark:#0F3A50;
  --accent-gold:#C9A24B;
  --accent-gold-dark:#B8923B;
  --bg-page:#F5F7FA;
  --bg-card:#FFFFFF;
  --bg-deep:#EAF1F6;
  --bg-hover:#E8F0F5;
  --text-title:#132832;
  --text-body:#324A57;
  --text-muted:#6B7F8D;
  --border:#DCE5EA;
  --border-strong:#E3EAF0;
  --success:#2E7D32;
  --warning:#B26A00;
  --error:#C0392B;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-card:0 1px 2px rgba(15,58,80,.04);
  --shadow-hover:0 8px 24px rgba(15,58,80,.10);
  --shadow-drawer:0 6px 20px rgba(15,58,80,.12);
  --focus-ring:0 0 0 3px rgba(23,90,120,.22);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  font-size:15px;
  line-height:1.7;
  color:var(--text-body);
  background:var(--bg-page);
  min-height:100vh;
}
img{max-width:100%;display:block;border:none;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--primary-dark);}
ul,ol{list-style:none;}
button{font-family:var(--font);cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:var(--font);font-size:1rem;}
h1,h2,h3,h4{color:var(--text-title);line-height:1.3;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}
.app-shell{display:flex;min-height:100vh;}
.main-wrapper{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:100vh;}

/* Sidebar */
.sidebar{
  width:240px;
  position:fixed;
  top:0;left:0;
  height:100vh;
  background:#FCFDFE;
  border-right:1px solid var(--border-strong);
  display:flex;
  flex-direction:column;
  z-index:50;
}
.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:24px 16px;}
.logo-area{padding:4px 8px 20px;margin-bottom:12px;border-bottom:1px solid var(--border);}
.logo-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:10px;
}
.logo-mark svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{font-size:1.125rem;font-weight:700;color:var(--primary-dark);line-height:1.4;}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto;}
.nav-group-title{font-size:.75rem;color:var(--text-muted);font-weight:500;padding:16px 10px 6px;letter-spacing:.05em;}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;
  border-radius:10px;
  color:var(--text-body);
  font-size:.9375rem;
  font-weight:500;
  transition:var(--transition);
  position:relative;
}
.nav-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.nav-item:hover{background:var(--bg-hover);color:var(--primary-dark);}
.nav-item.active{
  background:var(--bg-hover);
  color:var(--primary-dark);
  font-weight:600;
}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:2px;
  background:var(--primary);
}
.sidebar-bottom{
  margin-top:16px;
  padding:14px 12px;
  background:var(--bg-deep);
  border-radius:12px;
  display:flex;align-items:flex-start;gap:8px;
}
.sidebar-bottom svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.5;flex-shrink:0;margin-top:3px;}
.sidebar-bottom span{font-size:.8125rem;line-height:1.5;color:var(--text-muted);}

/* Mobile Header */
.mobile-header{
  display:none;
  height:60px;
  background:#fff;
  border-bottom:1px solid var(--border);
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  position:sticky;top:0;z-index:40;
}
.mobile-header .logo-text{font-size:1.0625rem;}
.menu-toggle{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
}
.menu-toggle svg{width:24px;height:24px;stroke:var(--primary-dark);fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer-overlay{
  display:none;
  position:fixed;inset:0;
  background:rgba(15,30,40,.4);
  z-index:60;
}
.drawer-overlay.show{display:block;}
.mobile-drawer{
  position:fixed;top:0;right:0;
  width:85%;max-width:320px;
  height:100vh;
  background:#FCFDFE;
  z-index:70;
  transform:translateX(105%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-drawer);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 16px;
  border-bottom:1px solid var(--border);
}
.drawer-close{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
}
.drawer-close svg{width:20px;height:20px;stroke:var(--text-title);fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer-nav{padding:12px 16px;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;}
.drawer-nav .nav-group-title{padding:14px 10px 6px;}

/* Main & sections */
.main-content{flex:1;}
.section{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-block;font-size:.8125rem;color:var(--accent-gold);border:1px solid rgba(201,162,75,.5);padding:5px 14px;border-radius:999px;margin-bottom:14px;font-weight:500;}
.section-head h2{font-size:1.625rem;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--text-muted);font-size:.9375rem;}

/* Hero */
.page-hero{
  position:relative;
  background:linear-gradient(135deg,#F5F7FA 0%,#E8F0F5 100%);
  padding:80px 0 0;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(245,247,250,.97) 20%,rgba(232,240,245,.92) 100%);
}
.hero-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:48px;
  max-width:1280px;margin:0 auto;padding:0 32px;
}
.hero-copy{flex:1.25;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--accent-gold);
  border:1px solid rgba(201,162,75,.5);
  padding:5px 14px;
  border-radius:999px;
  letter-spacing:.04em;
  margin-bottom:18px;
  font-weight:500;
}
.page-hero h1{
  font-size:clamp(2rem,4vw,2.75rem);
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.2;
  margin-bottom:18px;
}
.hero-copy .lead{
  font-size:1.0625rem;
  color:var(--text-body);
  line-height:1.7;
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary-dark);
  color:#fff;
  font-size:.9375rem;font-weight:500;
  padding:12px 24px;
  border-radius:10px;
  transition:var(--transition);
  border:1px solid var(--primary-dark);
}
.btn-primary:hover{background:var(--primary);border-color:var(--primary);box-shadow:0 3px 10px rgba(23,90,120,.2);color:#fff;}
.btn-primary:active{transform:scale(.98);}
.btn-primary:focus-visible,.btn-outline:focus-visible,.btn-gold:focus-visible,.btn-white-outline:focus-visible{outline:none;box-shadow:var(--focus-ring);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;
  color:var(--primary);
  font-size:.9375rem;font-weight:500;
  padding:12px 24px;
  border-radius:10px;
  border:1px solid var(--primary);
  transition:var(--transition);
}
.btn-outline:hover{background:rgba(23,90,120,.05);color:var(--primary-dark);}
.btn-outline:active{transform:scale(.98);}
.hero-visual{flex:1;display:flex;justify-content:center;padding:20px 0 40px;}
.hero-card-stack{position:relative;width:300px;padding-bottom:80px;}
.hero-card{
  background:#fff;
  border-radius:16px;
  border:1px solid var(--border);
  box-shadow:0 16px 40px rgba(15,58,80,.10);
  padding:22px;
}
.hero-card-main{position:relative;z-index:2;}
.hero-card-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.hero-card-header .logo-dot{
  width:32px;height:32px;border-radius:8px;
  background:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
}
.hero-card-header .logo-dot svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:1.5;}
.hero-card-header .h-name{font-size:.875rem;font-weight:600;color:var(--primary-dark);}
.hero-card-list{display:flex;flex-direction:column;gap:10px;}
.hero-card-list .h-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;
  border-radius:8px;
  background:var(--bg-page);
  font-size:.8125rem;color:var(--text-body);
  border:1px solid transparent;
}
.hero-card-list .h-item svg{width:14px;height:14px;stroke:var(--primary);fill:none;stroke-width:1.8;flex-shrink:0;}
.hero-card-sub{
  position:absolute;
  right:-30px;bottom:0;
  z-index:3;
  width:220px;
  border-radius:14px;
  box-shadow:var(--shadow-hover);
  padding:14px 16px;
  border-top:2px solid var(--accent-gold);
  display:flex;align-items:center;gap:10px;
}
.hero-card-sub svg{width:28px;height:28px;stroke:var(--success);fill:none;stroke-width:1.8;flex-shrink:0;}
.hero-card-sub .sub-title{font-size:.8125rem;font-weight:600;color:var(--text-title);}
.hero-card-sub .sub-desc{font-size:.75rem;color:var(--text-muted);}
.hero-trust{
  position:relative;z-index:1;
  max-width:1280px;margin:0 auto;
  padding:20px 32px;
  display:flex;align-items:center;
  border-top:1px solid var(--border);
  gap:48px;
  flex-wrap:wrap;
}
.hero-trust .trust-item{display:flex;align-items:center;gap:10px;}
.hero-trust .trust-item svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.5;flex-shrink:0;}
.hero-trust .t-num{font-size:1.375rem;font-weight:700;color:var(--primary-dark);line-height:1;}
.hero-trust .t-label{font-size:.8125rem;color:var(--text-muted);}

/* Intro section */
.intro-section{padding:72px 0;}
.intro-grid{
  display:flex;gap:56px;align-items:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:48px;
  box-shadow:var(--shadow-card);
}
.intro-media{flex:1;}
.intro-media img{
  width:100%;height:280px;object-fit:cover;
  border-radius:14px;
}
.intro-copy{flex:1.1;}
.intro-copy h2{font-size:1.625rem;font-weight:700;margin-bottom:16px;}
.intro-copy p{color:var(--text-body);font-size:.9375rem;margin-bottom:18px;}
.intro-features{display:flex;flex-direction:column;gap:10px;}
.intro-features li{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text-body);}
.intro-features li svg{width:18px;height:18px;stroke:var(--accent-gold);fill:none;stroke-width:2;flex-shrink:0;margin-top:4px;}
.intro-features li strong{color:var(--text-title);}

/* Entry cards */
.entry-section{padding:72px 0;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px;
  display:flex;gap:18px;
  align-items:flex-start;
  transition:var(--transition);
}
.entry-card:hover{
  box-shadow:var(--shadow-hover);
  border-color:var(--primary);
  transform:translateY(-2px);
}
.entry-icon{
  width:44px;height:44px;
  border-radius:10px;
  background:var(--bg-deep);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.entry-icon svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.5;}
.entry-body{flex:1;}
.entry-body h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px;}
.entry-body p{font-size:.875rem;color:var(--text-muted);line-height:1.6;}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;
  font-size:.8125rem;font-weight:500;
  color:var(--primary);
}
.entry-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;}
.entry-link:hover{text-decoration:underline;color:var(--primary-dark);}

/* Steps */
.steps-section{padding:72px 0;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px 24px;
  position:relative;
  transition:var(--transition);
}
.step-card:hover{box-shadow:var(--shadow-hover);}
.step-num{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--bg-deep);
  color:var(--primary);
  font-weight:600;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step-card h3{font-size:1rem;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:.8125rem;color:var(--text-muted);line-height:1.6;}

/* Assurance */
.assurance-section{padding:56px 0;background:var(--bg-deep);}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.assurance-item{display:flex;align-items:flex-start;gap:12px;}
.assurance-item .a-icon{width:38px;height:38px;flex-shrink:0;}
.assurance-item svg{width:100%;height:100%;stroke:var(--primary);fill:none;stroke-width:1.5;}
.assurance-item h3{font-size:1rem;font-weight:600;margin-bottom:4px;}
.assurance-item p{font-size:.8125rem;color:var(--text-muted);line-height:1.5;}

/* FAQ */
.faq-section{padding:72px 0;}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  border-top:1px solid var(--border);
}
.faq-item:last-child{border-bottom:1px solid var(--border);}
.faq-question{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;
  text-align:left;
  gap:16px;
}
.faq-q-left{display:flex;align-items:center;gap:14px;}
.faq-q-left .faq-num{
  width:28px;height:28px;
  border-radius:50%;
  background:var(--bg-deep);
  color:var(--primary);
  font-size:.8125rem;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.faq-q-left span{font-size:1rem;font-weight:600;color:var(--text-title);transition:var(--transition);}
.faq-item:hover .faq-q-left span{color:var(--primary);}
.faq-icon{
  width:24px;height:24px;
  border-radius:6px;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:var(--transition);
}
.faq-icon svg{width:14px;height:14px;stroke:var(--primary);fill:none;stroke-width:2;transition:transform .3s ease;}
.faq-item.open .faq-icon svg{transform:rotate(45deg);}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding:0 4px 20px 44px;
  font-size:.9375rem;line-height:1.7;
  color:var(--text-body);
}
.faq-item.open{background:var(--bg-page);}

/* CTA */
.cta-section{padding:72px 0;}
.cta-box{
  position:relative;
  background:var(--primary-dark);
  border-radius:var(--radius-lg);
  padding:64px 48px;
  text-align:center;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;top:0;left:0;right:0;
  height:2px;
  background:var(--accent-gold);
}
.cta-box h2{font-size:1.875rem;font-weight:700;color:#fff;margin-bottom:12px;}
.cta-box p{color:rgba(255,255,255,.72);font-size:1rem;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-gold);
  color:var(--text-title);
  font-size:.9375rem;font-weight:600;
  padding:12px 28px;
  border-radius:10px;
  transition:var(--transition);
  border:1px solid var(--accent-gold);
}
.btn-gold:hover{background:var(--accent-gold-dark);border-color:var(--accent-gold-dark);color:var(--text-title);}
.btn-gold:active{transform:scale(.98);}
.btn-white-outline{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  color:#fff;
  font-size:.9375rem;font-weight:500;
  padding:12px 28px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.7);
  transition:var(--transition);
}
.btn-white-outline:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.btn-white-outline:active{transform:scale(.98);}
.cta-note{margin-top:20px;font-size:.75rem;color:rgba(255,255,255,.5);}

/* Footer */
.footer{
  background:var(--primary-dark);
  padding:64px 48px 24px;
  margin-top:auto;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1.1fr;
  gap:40px;
  max-width:1200px;margin:0 auto 40px;
}
.footer-brand .logo-text{color:#fff;font-size:1.125rem;font-weight:700;margin-bottom:12px;}
.footer-desc{color:rgba(255,255,255,.65);font-size:.8125rem;line-height:1.7;max-width:280px;}
.footer-col-title{color:rgba(255,255,255,.9);font-size:.9375rem;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.75);font-size:.875rem;transition:var(--transition);}
.footer-links a:hover{color:var(--accent-gold);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact-item{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.75);font-size:.8125rem;line-height:1.5;}
.footer-contact-item svg{width:16px;height:16px;stroke:rgba(255,255,255,.75);fill:none;stroke-width:1.5;flex-shrink:0;margin-top:3px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.15);
  color:rgba(255,255,255,.5);
  font-size:.8125rem;
  max-width:1200px;margin:0 auto;
}

/* Responsive */
@media(max-width:1200px){
  .intro-grid{flex-direction:column;padding:36px;}
  .intro-media img{height:220px;}
}
@media(max-width:992px){
  .sidebar{display:none;}
  .mobile-header{display:flex;}
  .main-wrapper{margin-left:0;}
  .entry-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .assurance-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-inner{flex-direction:column;padding-top:40px;}
  .hero-visual{width:100%;}
  .hero-trust{gap:24px;}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .hero-inner{padding:0 20px;}
  .hero-trust{padding:16px 20px;}
  .intro-section{padding:56px 0;}
  .intro-grid{padding:28px 20px;gap:24px;}
  .entry-section{padding:56px 0;}
  .steps-section{padding:56px 0;}
  .faq-section{padding:56px 0;}
  .cta-section{padding:56px 0;}
  .cta-box{padding:44px 24px;}
  .footer{padding:48px 24px 20px;}
  .hero-card-sub{right:10px;}
}
@media(max-width:520px){
  .steps-grid{grid-template-columns:1fr;}
  .assurance-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;}
  .entry-card{flex-direction:column;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-gold,.cta-actions .btn-white-outline{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center;}
}

/* roulang page: article */
:root {
  --primary: #175A78;
  --primary-dark: #0F3A50;
  --accent: #C9A24B;
  --accent-dark: #B8923B;
  --bg: #F5F7FA;
  --bg-soft: #EAF1F6;
  --card-bg: #FFFFFF;
  --text: #132832;
  --text-body: #324A57;
  --text-muted: #6B7F8D;
  --border: #DCE5EA;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(15,58,80,.04);
  --shadow-hover: 0 8px 24px rgba(15,58,80,.10);
  --shadow-drawer: 0 6px 20px rgba(15,58,80,.12);
  --sidebar-width: 240px;
  --content-max: 1280px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text-body); line-height: 1.7; font-size: 1rem; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
a:focus-visible, button:focus-visible { outline: 2px solid rgba(23,90,120,.5); outline-offset: 2px; }

/* 按钮 */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: 10px; font-size: .9375rem; font-weight: 500; border: none; cursor: pointer; transition: all .2s ease; }
.button svg { width: 18px; height: 18px; }
.button-primary { background: var(--primary-dark); color: #fff; }
.button-primary:hover { background: var(--primary); color: #fff; box-shadow: 0 3px 10px rgba(23,90,120,.2); }
.button-primary:active { transform: scale(.98); }
.button-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.button-outline:hover { background: rgba(23,90,120,.05); color: var(--primary-dark); }
.button-gold { background: var(--accent); color: var(--text); }
.button-gold:hover { background: var(--accent-dark); color: var(--text); }
.button-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }
.button-outline-light:hover { background: rgba(255,255,255,.1); color: #fff; }
.button:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(23,90,120,.22); }

/* App Shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-width); position: fixed; top: 0; left: 0; bottom: 0; background: #FCFDFE; border-right: 1px solid #E3EAF0; display: flex; flex-direction: column; z-index: 100; }
.sidebar-brand { padding: 24px 20px 12px; display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 1.125rem; font-weight: 700; color: var(--primary-dark); letter-spacing: .02em; line-height: 1.4; }
.sidebar-nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav-group-title { font-size: .75rem; color: var(--text-muted); padding: 18px 12px 8px; font-weight: 500; letter-spacing: .04em; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; font-size: .9375rem; font-weight: 500; color: var(--text-body); margin-bottom: 2px; transition: background .2s, color .2s; }
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item:hover { background: #E8F0F5; color: var(--primary-dark); }
.nav-item.active { background: #E8F0F5; color: var(--primary-dark); font-weight: 600; box-shadow: inset 3px 0 0 var(--primary); }
.sidebar-note { padding: 16px 20px; font-size: .8125rem; color: var(--text-muted); border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: flex-start; line-height: 1.5; }
.sidebar-note svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; }

/* 移动端 */
.mobile-header { display: none; height: 60px; background: #fff; border-bottom: 1px solid var(--border); align-items: center; justify-content: space-between; padding: 0 20px; position: sticky; top: 0; z-index: 100; }
.mobile-brand { font-size: 1.0625rem; font-weight: 700; color: var(--primary-dark); }
.menu-toggle { width: 48px; height: 48px; background: none; border: none; cursor: pointer; display: grid; place-items: center; color: var(--text); }
.menu-toggle svg { width: 24px; height: 24px; }
.drawer-backdrop { position: fixed; inset: 0; background: rgba(15,30,40,.4); z-index: 150; display: none; }
.drawer-backdrop.open { display: block; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 85%; max-width: 320px; background: #fff; z-index: 200; box-shadow: var(--shadow-drawer); transform: translateX(100%); transition: transform .3s ease; display: flex; flex-direction: column; }
.drawer.open { transform: translateX(0); }
.drawer-header { height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.drawer-close { width: 40px; height: 40px; background: none; border: none; cursor: pointer; color: var(--text); display: grid; place-items: center; }
.drawer-close svg { width: 24px; height: 24px; }
.drawer .sidebar-nav { flex: 1; padding: 16px; }
.drawer .nav-group-title { padding: 18px 8px 8px; }
.drawer .nav-item { padding: 12px 10px; }
.drawer-note { padding: 16px 20px; font-size: .8125rem; color: var(--text-muted); border-top: 1px solid var(--border); }

.main-wrapper { flex: 1; margin-left: var(--sidebar-width); min-width: 0; display: flex; flex-direction: column; }
.main-content { flex: 1; }

.container { max-width: var(--content-max); margin: 0 auto; padding: 0 48px; }

/* 页面顶部 */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 34px 0 22px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .8125rem; color: var(--text-muted); flex-wrap: wrap; margin-bottom: 18px; }
.breadcrumb a { color: var(--primary); }
.breadcrumb-sep { color: #B0C1CC; }
.breadcrumb-current { color: var(--text); font-weight: 500; }
.article-header h1 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; color: var(--text); line-height: 1.35; margin-bottom: 16px; letter-spacing: .01em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: .8125rem; color: var(--text-muted); }
.meta-item { display: flex; align-items: center; gap: 7px; }
.meta-item svg { width: 16px; height: 16px; opacity: .7; }

/* 文章栅格 */
.article-section { background: var(--bg); }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; padding: 40px 0 56px; }
.article-main { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 48px; box-shadow: var(--shadow-card); min-width: 0; }
.article-content { font-size: 1rem; line-height: 1.8; color: var(--text-body); }
.article-content h2 { font-size: 1.375rem; font-weight: 700; color: var(--text); margin: 36px 0 16px; padding-left: 12px; border-left: 3px solid var(--primary); line-height: 1.4; }
.article-content h3 { font-size: 1.125rem; font-weight: 600; color: var(--text); margin: 28px 0 12px; }
.article-content p { margin-bottom: 1em; }
.article-content ul, .article-content ol { margin: 1em 0; padding-left: 1.5em; }
.article-content li { margin-bottom: .5em; }
.article-content blockquote { border-left: 4px solid var(--primary); background: #F0F5F8; margin: 1.5em 0; padding: 18px 20px; border-radius: 0 10px 10px 0; color: var(--text-body); }
.article-content img { border-radius: 12px; margin: 20px 0; }
.article-content figcaption { text-align: center; font-size: .8125rem; color: var(--text-muted); margin-top: -12px; margin-bottom: 20px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .9375rem; }
.article-content th { background: var(--primary-dark); color: #fff; padding: 12px 14px; text-align: left; font-weight: 600; }
.article-content td { padding: 12px 14px; border: 1px solid var(--border); }
.article-content tr:hover td { background: #F0F5F8; }
.article-content code { background: var(--bg-soft); border-radius: 6px; padding: 2px 6px; font-size: .875em; font-family: "SFMono-Regular", Consolas, monospace; }
.article-content pre { background: var(--text); color: #F0F5F8; border-radius: 10px; padding: 16px; overflow-x: auto; margin: 20px 0; }
.article-content pre code { background: none; padding: 0; color: inherit; }

.article-empty { text-align: center; padding: 70px 20px; }
.article-empty svg { width: 56px; height: 56px; color: #B0C1CC; margin-bottom: 16px; }
.article-empty p { font-size: 1rem; color: var(--text-muted); margin-bottom: 24px; }

/* 上一篇 / 下一篇 */
.post-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding-top: 36px; margin-top: 40px; border-top: 1px solid var(--border); }
.post-nav-card { display: flex; flex-direction: column; position: relative; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 52px 20px 20px; transition: all .2s ease; }
.post-nav-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--primary); border-radius: 3px 0 0 3px; opacity: 0; transition: opacity .2s; }
.post-nav-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.post-nav-card:hover::before { opacity: 1; }
.post-nav-card svg { position: absolute; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--primary); }
.post-nav-prev svg { left: 20px; transform: translateY(-50%) rotate(180deg); }
.post-nav-next svg { right: 20px; }
.post-nav-prev { padding: 20px 20px 20px 52px; text-align: left; }
.post-nav-next { padding: 20px 52px 20px 20px; text-align: right; }
.post-nav-label { font-size: .75rem; color: var(--text-muted); margin-bottom: 8px; letter-spacing: .04em; }
.post-nav-title { font-size: .9375rem; font-weight: 600; color: var(--text); line-height: 1.45; }

/* 侧边栏 */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-card); }
.sidebar-widget-title { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.related-list { list-style: none; }
.related-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid #EFF3F6; align-items: center; transition: background .2s; }
.related-item:last-child { border-bottom: none; }
.related-item:hover .related-title { color: var(--primary); }
.related-thumb { width: 72px; height: 52px; border-radius: 8px; overflow: hidden; flex-shrink: 0; background: var(--bg-soft); }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-content { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.related-title { font-size: .875rem; font-weight: 600; color: var(--text); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .2s; }
.related-date { font-size: .75rem; color: var(--text-muted); }
.category-nav-list { display: flex; flex-direction: column; gap: 8px; }
.category-nav-link { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: 8px; font-size: .875rem; font-weight: 500; color: var(--text-body); background: #F8FAFB; border: 1px solid var(--border); transition: all .2s; }
.category-nav-link svg { width: 16px; height: 16px; opacity: .5; transition: opacity .2s; }
.category-nav-link:hover { background: var(--bg-soft); color: var(--primary-dark); border-color: var(--primary); }
.category-nav-link:hover svg { opacity: 1; }
.sidebar-widget-highlight { background: var(--bg-soft); border-color: transparent; }
.sidebar-widget-highlight p { font-size: .8125rem; color: var(--text-body); line-height: 1.7; margin-top: 2px; }

/* 延伸阅读 */
.extended-section { background: var(--bg); padding: 0 0 72px; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-header h2 { font-size: 1.625rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.section-link { display: inline-flex; align-items: center; gap: 6px; font-size: .875rem; font-weight: 500; color: var(--primary); }
.section-link svg { width: 16px; height: 16px; }
.section-link:hover { color: var(--primary-dark); }
.extended-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.extended-card { display: block; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all .2s ease; }
.extended-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.extended-card-img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.extended-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.extended-card:hover .extended-card-img img { transform: scale(1.03); }
.extended-card-body { padding: 20px; }
.card-tag { display: inline-block; font-size: .75rem; font-weight: 500; color: var(--accent-dark); background: rgba(201,162,75,.1); padding: 4px 10px; border-radius: 50px; margin-bottom: 10px; border: 1px solid rgba(201,162,75,.25); }
.card-title { display: block; font-size: 1.0625rem; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.45; transition: color .2s; }
.extended-card:hover .card-title { color: var(--primary); }
.card-abstract { display: block; font-size: .875rem; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* CTA */
.cta-banner { background: var(--primary-dark) url('/assets/images/backpic/back-2.webp') center/cover no-repeat; border-top: 2px solid var(--accent); padding: 76px 20px; text-align: center; position: relative; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: rgba(15,58,80,.88); }
.cta-inner { max-width: 720px; margin: 0 auto; position: relative; z-index: 1; }
.cta-inner h2 { color: #fff; font-size: 1.875rem; font-weight: 700; margin-bottom: 14px; line-height: 1.3; }
.cta-inner p { color: rgba(255,255,255,.74); font-size: 1rem; margin-bottom: 30px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-note { margin-top: 22px; font-size: .8125rem; color: rgba(255,255,255,.5); }

/* 页脚 */
.footer { background: var(--primary-dark); padding: 64px 48px 24px; }
.footer-grid { max-width: var(--content-max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 48px; }
.footer-brand .logo-text { color: #fff; font-size: 1.125rem; font-weight: 700; margin-bottom: 12px; display: block; }
.footer-desc { font-size: .8125rem; color: rgba(255,255,255,.65); line-height: 1.7; max-width: 320px; }
.footer-col-title { font-size: .9375rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.75); font-size: .875rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 8px; color: rgba(255,255,255,.65); font-size: .8125rem; line-height: 1.6; }
.footer-contact-item svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: rgba(255,255,255,.5); }
.footer-bottom { max-width: var(--content-max); margin: 48px auto 0; border-top: 1px solid rgba(255,255,255,.15); padding-top: 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .8125rem; color: rgba(255,255,255,.5); }

/* 响应式 */
@media (max-width: 1199px) {
  .container { padding: 0 32px; }
  .article-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; }
  .article-main { padding: 36px; }
  .extended-grid { grid-template-columns: repeat(2, 1fr); }
  .extended-card:nth-child(3) { grid-column: span 2; }
  .extended-card:nth-child(3) .extended-card-img img { object-fit: cover; }
}

@media (max-width: 991px) {
  .app-shell { display: block; }
  .sidebar { display: none; }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .article-grid { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { margin-top: 32px; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .page-hero { padding: 26px 0 18px; }
  .article-grid { padding: 28px 0 40px; gap: 28px; }
  .article-main { padding: 24px 20px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .extended-section { padding: 8px 0 56px; }
  .extended-grid { grid-template-columns: 1fr; }
  .extended-card:nth-child(3) { grid-column: span 1; }
  .post-nav { grid-template-columns: 1fr; gap: 14px; }
  .footer { padding: 48px 20px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 56px 20px; }
  .cta-inner h2 { font-size: 1.5rem; }
}

@media (max-width: 520px) {
  .article-header h1 { font-size: 1.375rem; }
  .article-meta { gap: 8px 16px; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .button { width: 100%; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .post-nav-card { padding: 16px 44px 16px 16px; }
  .post-nav-prev { padding: 16px 16px 16px 44px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #175A78;
  --primary-dark: #0F3A50;
  --accent-gold: #C9A24B;
  --accent-gold-dark: #B8923B;
  --bg-page: #F5F7FA;
  --bg-card: #FFFFFF;
  --bg-light-blue: #EAF1F6;
  --text-title: #132832;
  --text-body: #324A57;
  --text-muted: #6B7F8D;
  --border: #DCE5EA;
  --sidebar-bg: #FCFDFE;
  --sidebar-border: #E3EAF0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(15,58,80,.04);
  --shadow-hover: 0 8px 24px rgba(15,58,80,.10);
  --shadow-drawer: 0 6px 20px rgba(15,58,80,.12);
  --focus-ring: 0 0 0 3px rgba(23,90,120,.22);
  --sidebar-width: 240px;
  --content-max: 1280px;
  --section-space: 96px;
  --section-space-tablet: 64px;
  --section-space-mobile: 48px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}
button {
  cursor: pointer;
}

/* ========== 布局骨架 ========== */
.layout {
  min-height: 100vh;
}

/* ========== 桌面侧栏 ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  padding: 28px 16px 20px;
}
.sidebar-brand {
  padding: 0 12px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.sidebar-brand .logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.35;
  letter-spacing: .01em;
}
.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}
.nav-group-title {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 20px 12px 8px;
}
.nav-group-title:first-child {
  padding-top: 0;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-body);
  transition: background .2s ease, color .2s ease;
}
.nav-item svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.nav-item:hover {
  background: var(--bg-light-blue);
  color: var(--primary-dark);
}
.nav-item.active {
  background: var(--bg-light-blue);
  color: var(--primary-dark);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--primary);
}
.sidebar-foot {
  padding: 16px 12px 0;
  border-top: 1px solid var(--border);
  font-size: .8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-foot svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ========== 移动端顶栏 ========== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 150;
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
}
.mobile-header .logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.hamburger {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--primary-dark);
  transition: background .2s;
}
.hamburger:hover {
  background: var(--bg-light-blue);
}
.hamburger svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ========== 主内容 ========== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 48px;
}

/* ========== 通用区块 ========== */
.page-section {
  padding: var(--section-space) 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  font-size: .9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== 页面Hero ========== */
.page-hero {
  position: relative;
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--bg-page) 0%, var(--bg-light-blue) 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: .06;
  pointer-events: none;
}
.page-hero .container-inner {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color .2s;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero-desc {
  max-width: 680px;
  font-size: 1.0625rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.4;
  transition: background .2s ease, box-shadow .2s ease, transform .15s ease, border-color .2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.btn:active {
  transform: scale(.98);
}
.btn-primary {
  background: var(--primary-dark);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 3px 10px rgba(23,90,120,.2);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(23,90,120,.05);
  color: var(--primary);
}
.btn-gold {
  background: var(--accent-gold);
  color: var(--text-title);
}
.btn-gold:hover {
  background: var(--accent-gold-dark);
  color: var(--text-title);
}
.btn-white-outline {
  background: transparent;
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.btn-white-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
}

/* ========== 服务概览 ========== */
.overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.overview-text p {
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 18px;
}
.overview-text ul {
  margin-top: 8px;
}
.overview-text ul li {
  position: relative;
  padding-left: 24px;
  font-size: .9375rem;
  color: var(--text-body);
  margin-bottom: 12px;
  line-height: 1.6;
}
.overview-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
}
.overview-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}
.overview-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ========== 服务卡片网格 ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, border-color .25s ease, transform .25s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.card-image {
  overflow: hidden;
}
.card-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .4s ease;
}
.service-card:hover .card-image img {
  transform: scale(1.03);
}
.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-tag {
  display: inline-block;
  background: rgba(201,162,75,.12);
  color: var(--accent-gold-dark);
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  align-self: flex-start;
  letter-spacing: .02em;
}
.card-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-body p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  transition: color .2s;
}
.card-link:hover {
  color: var(--primary-dark);
}
.card-link::after {
  content: '→';
  transition: transform .2s;
}
.card-link:hover::after {
  transform: translateX(4px);
}

/* ========== 服务特色 ========== */
.features-section {
  background: var(--bg-light-blue);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.feature-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light-blue);
  border-radius: 14px;
}
.feature-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 10px;
}
.feature-item p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ========== 适用场景 ========== */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .25s ease;
}
.scenario-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.scenario-num {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: .1em;
  margin-bottom: 14px;
  display: block;
}
.scenario-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 10px;
}
.scenario-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ========== 使用流程 ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .25s ease;
}
.step-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  background: var(--bg-light-blue);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  position: relative;
}
.step-item::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -16px;
  width: 16px;
  height: 1px;
  background: var(--border);
}
.step-item:last-child::after {
  display: none;
}
.step-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 8px;
}
.step-item p {
  font-size: .8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child {
  border-top: 1px solid var(--border);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-title);
  transition: color .2s;
  user-select: none;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-toggle {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-light-blue);
  color: var(--primary);
  transition: background .2s, transform .3s;
}
.faq-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  font-size: .9375rem;
  color: var(--text-body);
  line-height: 1.7;
  padding-right: 40px;
}

/* ========== CTA 横幅 ========== */
.cta-section {
  background: var(--primary-dark);
  padding: 72px 0;
  text-align: center;
  position: relative;
  border-top: 3px solid var(--accent-gold);
}
.cta-section h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-section p {
  color: rgba(255,255,255,.72);
  font-size: 1rem;
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta-note {
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
}

/* ========== 页脚 ========== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,.75);
  padding: 56px 48px 28px;
}
.footer-grid {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.footer-brand .logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
  display: block;
}
.footer-desc {
  font-size: .8125rem;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
}
.footer-col-title {
  font-size: .9375rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255,255,255,.75);
  font-size: .875rem;
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--accent-gold);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .84375rem;
  color: rgba(255,255,255,.75);
  line-height: 1.6;
}
.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: 2px;
}
.footer-bottom {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
}

/* ========== 移动端抽屉 ========== */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,30,40,.4);
  z-index: 300;
  opacity: 0;
  transition: opacity .3s ease;
}
.drawer-overlay.show {
  opacity: 1;
}
.drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 320px;
  height: 100vh;
  background: var(--sidebar-bg);
  z-index: 310;
  transform: translateX(100%);
  transition: transform .3s ease;
  flex-direction: column;
  padding: 24px 16px;
  overflow-y: auto;
  box-shadow: var(--shadow-drawer);
}
.drawer.open {
  transform: translateX(0);
}
.drawer-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.drawer-brand .logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.drawer-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background .2s, color .2s;
}
.drawer-close:hover {
  background: var(--bg-light-blue);
  color: var(--primary-dark);
}
.drawer-close svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drawer .sidebar-nav {
  flex: none;
}

/* ========== 响应式 ========== */
@media (max-width: 1280px) {
  .main-content {
    padding: 0 36px;
  }
  .footer {
    padding: 48px 36px 24px;
  }
}
@media (max-width: 1024px) {
  .overview-grid {
    gap: 32px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .step-item::after {
    display: none;
  }
}
@media (max-width: 992px) {
  .sidebar {
    display: none;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-header {
    display: flex;
  }
  .drawer,
  .drawer-overlay {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .main-content {
    padding: 0 24px;
  }
  .page-section {
    padding: var(--section-space-mobile) 0;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .page-hero {
    padding: 48px 0 40px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 56px 24px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .footer {
    padding: 40px 24px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .main-content {
    padding: 0 16px;
  }
  .page-hero h1 {
    font-size: 1.625rem;
  }
  .hero-desc {
    font-size: .9375rem;
  }
  .btn {
    width: 100%;
  }
  .section-head h2 {
    font-size: 1.375rem;
  }
  .cta-section h2 {
    font-size: 1.375rem;
  }
  .cta-actions {
    gap: 12px;
  }
  .faq-question {
    font-size: .875rem;
    padding: 18px 0;
  }
  .faq-answer p {
    font-size: .8125rem;
  }
  .card-body {
    padding: 18px;
  }
}

/* roulang page: category3 */
:root {
            --primary: #175A78;
            --primary-dark: #0F3A50;
            --accent-gold: #C9A24B;
            --bg-page: #F5F7FA;
            --bg-card: #FFFFFF;
            --bg-light-blue: #EAF1F6;
            --bg-sidebar: #FCFDFE;
            --text-title: #132832;
            --text-body: #324A57;
            --text-mute: #6B7F8D;
            --border: #DCE5EA;
            --border-light: #E3EAF0;
            --success: #2E7D32;
            --warning: #B26A00;
            --error: #C0392B;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 2px rgba(15, 58, 80, .04);
            --shadow-hover: 0 8px 24px rgba(15, 58, 80, .10);
            --shadow-drawer: 0 6px 20px rgba(15, 58, 80, .12);
            --sidebar-width: 240px;
            --space-section-desktop: 96px;
            --space-section-tablet: 64px;
            --space-section-mobile: 48px;
        }
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-page);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .layout {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            width: var(--sidebar-width);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-light);
            z-index: 100;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 28px 24px 22px;
            border-bottom: 1px solid var(--border-light);
            text-decoration: none;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .logo-mark .mark-bg {
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.5;
        }
        .logo-mark .mark-check {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .logo-text {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: .02em;
            line-height: 1.3;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            overflow-y: auto;
        }
        .nav-group-title {
            font-size: .7188rem;
            font-weight: 600;
            color: var(--text-mute);
            text-transform: uppercase;
            letter-spacing: .08em;
            padding: 14px 12px 8px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: .9375rem;
            font-weight: 500;
            text-decoration: none;
            transition: background .2s ease, color .2s ease;
            position: relative;
            margin-bottom: 2px;
        }
        .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .nav-item:hover {
            background: var(--bg-light-blue);
            color: var(--primary-dark);
        }
        .nav-item.active {
            background: var(--bg-light-blue);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .nav-item.active::before {
            content: '';
            position: absolute;
            left: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            border-radius: 0 2px 2px 0;
            background: var(--primary);
        }
        .sidebar-note {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: .8125rem;
            color: var(--text-mute);
            line-height: 1.5;
        }
        .sidebar-note svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
            margin-top: 1px;
        }
        .main-area {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
        }
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            height: 60px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        .menu-btn {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background .2s;
        }
        .menu-btn:hover {
            background: var(--bg-light-blue);
        }
        .menu-btn svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--primary-dark);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(85%, 320px);
            background: var(--bg-sidebar);
            z-index: 130;
            transform: translateX(100%);
            transition: transform .32s cubic-bezier(.4, 0, .2, 1);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-drawer);
        }
        .drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 20px 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background .2s;
        }
        .drawer-close:hover {
            background: var(--bg-light-blue);
        }
        .drawer-close svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--text-title);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .drawer .sidebar-nav {
            padding: 14px 14px 20px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 30, 40, .4);
            z-index: 120;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 48px;
        }
        .page-hero {
            position: relative;
            background: linear-gradient(170deg, #F5F7FA 0%, #E8F0F5 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .06;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            padding-top: 72px;
            padding-bottom: 56px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .8125rem;
            color: var(--text-mute);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--text-mute);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            width: 4px;
            height: 4px;
            background: var(--border);
            border-radius: 50%;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border: 1px solid var(--accent-gold);
            border-radius: 30px;
            font-size: .8125rem;
            color: var(--accent-gold);
            background: rgba(255, 255, 255, .6);
            margin-bottom: 18px;
            letter-spacing: .03em;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 2.75rem);
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: -.01em;
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 1.0625rem;
            line-height: 1.7;
            color: var(--text-body);
            max-width: 680px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: .9375rem;
            font-weight: 600;
            line-height: 1.4;
            transition: all .2s ease;
            text-decoration: none;
            border: 1px solid transparent;
        }
        .btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(23, 90, 120, .22);
        }
        .btn-primary {
            background: var(--primary-dark);
            color: #fff;
            border-color: var(--primary-dark);
        }
        .btn-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 3px 10px rgba(23, 90, 120, .2);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(23, 90, 120, .05);
            color: var(--primary-dark);
        }
        .btn-outline:active {
            transform: scale(.98);
        }
        .btn-gold {
            background: var(--accent-gold);
            color: var(--text-title);
            border-color: var(--accent-gold);
        }
        .btn-gold:hover {
            background: #B8923B;
            border-color: #B8923B;
            color: var(--text-title);
        }
        .btn-gold:active {
            transform: scale(.98);
        }
        .trust-bar {
            margin-top: 44px;
            padding-top: 28px;
            border-top: 1px solid rgba(23, 90, 120, .12);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .trust-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(23, 90, 120, .08);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .trust-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .trust-text {
            line-height: 1.4;
        }
        .trust-num {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--primary-dark);
        }
        .trust-label {
            font-size: .8125rem;
            color: var(--text-mute);
        }
        .section {
            padding: var(--space-section-desktop) 0;
        }
        .section-alt {
            background: var(--bg-page);
        }
        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8125rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 12px;
            letter-spacing: .04em;
        }
        .section-title {
            font-size: 1.625rem;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            letter-spacing: -.01em;
        }
        .section-subtitle {
            font-size: .9375rem;
            line-height: 1.6;
            color: var(--text-mute);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(23, 90, 120, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .feature-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: .875rem;
            line-height: 1.7;
            color: var(--text-body);
        }
        .steps-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            counter-reset: step;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 8%;
            right: 8%;
            height: 1px;
            background: var(--border);
            z-index: 0;
        }
        .step-item {
            position: relative;
            z-index: 1;
            padding: 0 24px;
            text-align: center;
        }
        .step-num-wrap {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            position: relative;
        }
        .step-num-wrap::after {
            content: counter(step);
            counter-increment: step;
        }
        .step-item h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: .8125rem;
            color: var(--text-mute);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }
        .guide-section {
            background: var(--bg-page);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .guide-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-light-blue);
        }
        .guide-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .guide-card:hover .guide-media img {
            transform: scale(1.04);
        }
        .guide-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            color: var(--accent-gold);
            font-size: .75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 30px;
            box-shadow: 0 1px 4px rgba(15, 58, 80, .08);
        }
        .guide-body {
            padding: 22px 24px 20px;
        }
        .guide-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .guide-body p {
            font-size: .875rem;
            color: var(--text-body);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .875rem;
            font-weight: 600;
            color: var(--primary);
        }
        .guide-link svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: transform .2s;
        }
        .guide-link:hover svg {
            transform: translateX(3px);
        }
        .faq-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 0;
            text-align: left;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            transition: color .2s;
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--bg-light-blue);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .3s ease;
        }
        .faq-icon svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0;
            font-size: .9375rem;
            color: var(--text-body);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 0 22px;
        }
        .cta-section {
            padding: var(--space-section-desktop) 0;
        }
        .cta-banner {
            position: relative;
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }
        .cta-title {
            font-size: 1.875rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, .72);
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-white-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
        }
        .btn-white-outline:hover {
            background: rgba(255, 255, 255, .08);
            border-color: #fff;
            color: #fff;
        }
        .cta-note {
            margin-top: 20px;
            font-size: .75rem;
            color: rgba(255, 255, 255, .5);
        }
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .75);
        }
        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 56px 48px 40px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: .8125rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 300px;
        }
        .footer-col-title {
            font-size: .9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: .875rem;
            color: rgba(255, 255, 255, .75);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .7);
            line-height: 1.5;
        }
        .footer-contact-item svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
            margin-top: 2px;
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 20px 48px;
            border-top: 1px solid rgba(255, 255, 255, .15);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .5);
        }
        @media (max-width: 1200px) {
            .container {
                padding: 0 32px;
            }
            .footer-grid {
                padding: 48px 32px 36px;
            }
            .footer-bottom {
                padding: 18px 32px;
            }
        }
        @media (max-width: 992px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .main-area {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-hero .container {
                padding-top: 48px;
                padding-bottom: 40px;
            }
            .container {
                padding: 0 24px;
            }
            .section {
                padding: var(--space-section-tablet) 0;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px 0;
                row-gap: 40px;
            }
            .steps-grid::before {
                display: none;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cta-banner {
                padding: 48px 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                padding: 40px 24px 32px;
            }
            .footer-bottom {
                padding: 16px 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .page-hero .container {
                padding-top: 36px;
                padding-bottom: 32px;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .trust-bar {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .trust-item {
                justify-content: flex-start;
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
            .step-item p {
                max-width: 240px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .guide-body {
                padding: 18px 20px 16px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-banner {
                padding: 40px 24px;
                border-radius: var(--radius-md);
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 36px 20px 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: .9375rem;
            }
            .section-title {
                font-size: 1.375rem;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .guide-body p {
                -webkit-line-clamp: 3;
            }
            .faq-question {
                font-size: .9375rem;
                padding: 20px 0;
            }
            .faq-item.open .faq-answer {
                font-size: .875rem;
            }
        }