/* roulang page: index */
:root{
  --brand:#1B6B7A;
  --brand-dark:#0F4C5C;
  --brand-mid:#155C6B;
  --brand-soft:#E8F3F5;
  --coral:#E07A5F;
  --coral-soft:#FBEAE4;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --ink:#142B3B;
  --ink-2:#5B6B76;
  --ink-3:#7C8C97;
  --line:#DDE7EC;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:11px;
  --shadow-xs:0 4px 12px rgba(20,43,59,.05);
  --shadow-sm:0 6px 18px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 16px 36px rgba(20,43,59,.13);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:.15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-dark);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.2px;line-height:1.32;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-sm{padding:72px 0;}
.section-tint{background:var(--brand-soft);}
.section-white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,33px);}
.section-sub{color:var(--ink-2);font-size:15.5px;margin:8px 0 0;max-width:640px;}
.head-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-dark);white-space:nowrap;}
.head-link:hover{color:var(--brand);}
.head-link i{font-size:12px;transition:transform .2s ease;}
.head-link:hover i{transform:translateX(3px);}
.grid-x.custom-gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.custom-gutter > .cell{padding-left:12px;padding-right:12px;}

/* 头部 */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,43,59,.09);}
.brand-row{padding:0;}
.brand-inner{display:flex;align-items:center;gap:22px;height:70px;}
.brand-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--brand-dark);color:#fff;display:grid;place-items:center;flex:0 0 auto;box-shadow:0 6px 14px rgba(15,76,92,.25);}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.2px;}
.brand-logo:hover .brand-text{color:var(--brand-dark);}
.site-search{flex:1 1 auto;max-width:430px;position:relative;display:flex;align-items:center;}
.site-search input{width:100%;height:42px;border:1px solid var(--line);background:#F6FAFB;border-radius:10px;padding:0 48px 0 16px;font-size:14.5px;color:var(--ink);transition:.18s ease;}
.site-search input::placeholder{color:#93A4AE;}
.site-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(27,107,122,.14);}
.site-search button{position:absolute;right:5px;width:34px;height:34px;border:0;border-radius:8px;background:transparent;color:var(--brand-dark);cursor:pointer;display:grid;place-items:center;transition:.18s ease;}
.site-search button:hover{background:var(--brand-soft);}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--brand-dark);cursor:pointer;font-size:17px;}
.channel-row{border-top:1px solid var(--line);background:#fff;}
.channel-inner{padding:8px 24px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;margin:0;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;font-size:15px;font-weight:500;color:#3D5563;white-space:nowrap;transition:.18s ease;}
.channel-list a:hover{color:var(--brand-dark);background:var(--brand-soft);}
.channel-list a.active{background:var(--brand-dark);color:#fff;box-shadow:0 6px 14px rgba(15,76,92,.22);}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:16px 24px 22px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .site-search{max-width:none;margin-bottom:14px;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-nav a{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;font-size:15.5px;color:#3D5563;}
.mobile-nav a.active,.mobile-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:11px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;}
.btn-primary{background:var(--brand-dark);color:#fff;box-shadow:0 8px 20px rgba(15,76,92,.22);}
.btn-primary:hover{background:var(--brand);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,76,92,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(15,76,92,.22);}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:#BFD7DD;}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:10px;}
.btn-light{background:#fff;color:var(--brand-dark);border-color:#fff;}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}

/* 徽章标签 */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:600;line-height:1;}
.badge-coral{background:var(--coral-soft);color:#B8503A;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);font-weight:500;}
.tag i{font-size:11px;color:var(--brand);margin-right:6px;}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--brand-soft) url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 40%,rgba(232,243,245,.62) 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:60px 0 68px;min-height:540px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--brand-dark);margin-bottom:20px;}
.hero-eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--coral);display:inline-block;}
.hero h1{font-size:clamp(31px,4vw,50px);line-height:1.24;letter-spacing:-.8px;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand-dark);}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;padding:12px 0 24px;}
.poster-main{margin:0;width:min(100%,286px);border-radius:20px;overflow:hidden;box-shadow:0 26px 52px rgba(20,43,59,.24);transform:rotate(-2deg);background:#fff;}
.poster-main img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.poster-card{position:absolute;right:-6px;bottom:0;width:min(266px,86%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-lg);}
.poster-card .badge{margin-bottom:10px;}
.poster-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:10px;}
.poster-card a{font-size:13.5px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.poster-card a:hover{color:var(--brand);}
.poster-card a i{font-size:11px;}

/* 横滑片库 */
.rail-wrap{position:relative;}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 16px;scrollbar-width:none;-ms-overflow-style:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{flex:0 0 300px;scroll-snap-align:start;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9DEE4;}
.rail-media{overflow:hidden;}
.rail-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover .rail-media img{transform:scale(1.03);}
.rail-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.rail-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-body p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid #EEF4F6;}
.rail-foot span{font-size:12.5px;color:var(--ink-3);}
.rail-foot i{font-size:12px;color:var(--brand);}
.rail-nav{display:flex;gap:10px;}
.rail-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand-dark);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-xs);transition:.18s ease;}
.rail-btn:hover{background:var(--brand-dark);color:#fff;border-color:var(--brand-dark);transform:translateY(-1px);}
.rail-btn:active{transform:translateY(0);}

/* 最新信息 */
.news-card{display:flex;align-items:flex-start;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#C9DEE4;color:var(--ink);}
.news-mark{flex:0 0 4px;width:4px;border-radius:4px;background:var(--brand-soft);align-self:stretch;transition:background-color .2s ease;}
.news-card:hover .news-mark{background:var(--coral);}
.news-card-body{flex:1 1 auto;min-width:0;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.news-meta time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.news-card-body h3{font-size:18.5px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.72;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-arrow{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-size:12px;transition:.2s ease;align-self:center;}
.news-card:hover .news-arrow{background:var(--brand-dark);color:#fff;}
.news-empty{background:#fff;border:1px dashed #C6D9E0;border-radius:var(--radius);padding:44px 24px;text-align:center;color:var(--ink-2);}
.news-empty i{font-size:26px;color:var(--brand);display:block;margin-bottom:12px;}
.news-empty p{font-size:15px;margin-bottom:16px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:20px;}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.side-body{padding:18px 20px 20px;}
.side-body h3{font-size:17.5px;margin-bottom:8px;}
.side-body p{font-size:14px;color:var(--ink-2);line-height:1.72;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.side-tags a{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;background:#F4F9FA;border:1px solid var(--line);font-size:13px;color:#41596A;}
.side-tags a:hover{background:var(--brand-soft);border-color:#BBD8DF;color:var(--brand-dark);}
.side-note{background:var(--brand-soft);border:1px solid #CFE4E9;border-radius:var(--radius);padding:18px 20px;}
.side-note h4{font-size:15px;margin-bottom:8px;color:var(--brand-dark);}
.side-note p{font-size:13.5px;color:#3B5A67;line-height:1.75;margin:0;}

/* 频道片单 */
.slate-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(196px,auto);gap:24px;}
.slate-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;background:var(--brand-dark);min-height:196px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.slate-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.slate-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.slate-card:hover img{transform:scale(1.04);}
.slate-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,76,92,.05) 0%,rgba(15,76,92,.78) 100%);}
.slate-content{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;height:100%;padding:20px 22px;color:#fff;}
.slate-num{position:absolute;z-index:3;top:16px;left:18px;display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:26px;padding:0 10px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--brand-dark);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;}
.slate-content h3{color:#fff;font-size:20px;margin-bottom:6px;}
.slate-content p{color:rgba(255,255,255,.85);font-size:13.5px;line-height:1.65;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slate-content .slate-go{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:#fff;}
.slate-go i{font-size:11px;transition:transform .2s ease;}
.slate-card:hover .slate-go i{transform:translateX(3px);}
.slate-card.big{grid-column:span 3;grid-row:span 2;}
.slate-card.wide{grid-column:span 3;}
.slate-card.small{grid-column:span 3;}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-xs);transition:transform .2s ease,box-shadow .2s ease;}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step-num{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-size:15px;font-weight:800;margin-bottom:16px;font-variant-numeric:tabular-nums;}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-xs);}
.compare-card.good{border-top:4px solid var(--brand);}
.compare-card.warn{border-top:4px solid var(--coral);}
.compare-card h3{font-size:19px;margin-bottom:6px;}
.compare-card .compare-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:16px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.72;padding:8px 0;border-bottom:1px dashed #E7EFF2;}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list i{font-size:13px;margin-top:5px;flex:0 0 auto;}
.check-list .ok{color:var(--brand);}
.check-list .no{color:var(--coral);}

/* FAQ */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px;transition:.2s ease;}
.faq-item[open]{background:#F3FAFB;border-color:#BFDCE2;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:17px;font-weight:700;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:600;color:var(--brand);line-height:1;transition:transform .2s ease;flex:0 0 auto;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{font-size:15.5px;line-height:1.78;color:var(--ink-2);margin:0;padding:0 0 20px;}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:56px;background:var(--brand-soft) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(232,243,245,.9) 60%,rgba(232,243,245,.72) 100%);}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(23px,2.5vw,31px);max-width:640px;margin-bottom:10px;}
.cta-inner p{color:var(--ink-2);font-size:15.5px;max-width:620px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:#D6E6EA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:46px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand span{font-size:18px;font-weight:800;color:#fff;letter-spacing:.2px;}
.footer-desc{font-size:14px;line-height:1.8;color:#A9C6CD;max-width:340px;margin-bottom:14px;}
.footer-domain{font-size:13px;color:#8FB2BB;letter-spacing:.4px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:14px;color:#A9C6CD;display:inline-flex;align-items:center;gap:6px;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FB2BB;}
.footer-bottom a{color:#A9C6CD;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:4px;}
.to-top{display:inline-flex;align-items:center;gap:7px;}
.to-top i{font-size:11px;}

/* 响应式 */
@media screen and (max-width:1024px){
  .section{padding:64px 0;}
  .section-sm{padding:56px 0;}
  .site-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .brand-actions .btn-ghost{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;min-height:0;padding:48px 0 56px;}
  .hero-lead{max-width:none;}
  .hero-visual{justify-content:flex-start;padding-bottom:8px;}
  .poster-card{right:auto;left:calc(min(100%,286px) - 40px);bottom:0;}
  .slate-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:minmax(190px,auto);}
  .slate-card.big{grid-column:span 2;grid-row:span 1;min-height:240px;}
  .slate-card.wide,.slate-card.small{grid-column:span 1;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 28px;}
  .cta-band{padding:40px;}
  .rail-card{flex:0 0 280px;}
}
@media screen and (max-width:768px){
  .brand-inner{height:64px;gap:14px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .brand-mark svg{width:18px;height:18px;}
  .hero h1{font-size:clamp(28px,7vw,36px);}
  .poster-main{width:min(100%,240px);transform:none;}
  .poster-card{position:static;width:100%;margin-top:16px;box-shadow:var(--shadow-sm);}
  .hero-visual{flex-direction:column;align-items:flex-start;}
  .news-main,.news-side{width:100%!important;flex:0 0 100%;}
  .faq-list{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .rail-nav{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:32px 24px;border-radius:18px;}
}
@media screen and (max-width:520px){
  .container{padding:0 18px;}
  .channel-inner{padding:6px 18px;}
  .mobile-panel{padding:14px 18px 20px;}
  .section{padding:52px 0;}
  .section-sm{padding:44px 0;}
  .slate-grid{grid-template-columns:1fr;gap:16px;}
  .slate-card.big,.slate-card.wide,.slate-card.small{grid-column:span 1;min-height:200px;}
  .steps{grid-template-columns:1fr;}
  .rail-card{flex:0 0 84%;}
  .news-card{padding:16px;gap:12px;}
  .news-arrow{display:none;}
  .btn{height:46px;padding:0 18px;font-size:15px;}
  .btn-sm{height:42px;font-size:14px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: article */
:root{
  --primary:#1B6B7A;
  --primary-dark:#0F4C5C;
  --primary-soft:#E8F3F5;
  --coral:#E07A5F;
  --coral-soft:#FBEAE5;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --text:#142B3B;
  --muted:#5B6B76;
  --line:#DDE7EC;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 16px 36px rgba(20,43,59,.13);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 2px 0 rgba(20,43,59,.04);}
.brand-row{background:#fff;}
.brand-inner{display:flex;align-items:center;gap:24px;height:70px;}
.brand-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--primary-dark);flex:none;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:var(--primary);color:#fff;flex:none;}
.brand-mark svg{width:21px;height:21px;}
.brand-text{white-space:nowrap;}
.site-search{flex:1;max-width:400px;display:flex;align-items:center;gap:6px;height:42px;padding:0 6px 0 14px;background:var(--bg);border:1px solid var(--line);border-radius:10px;transition:border-color .2s,box-shadow .2s;}
.site-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
.site-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14.5px;color:var(--text);}
.site-search input::placeholder{color:#93A6B0;}
.site-search button{width:34px;height:34px;flex:none;border:0;border-radius:8px;background:var(--primary);color:#fff;cursor:pointer;transition:background .2s;}
.site-search button:hover{background:var(--primary-dark);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none;}
.ghost-link{font-size:14.5px;font-weight:600;color:var(--muted);padding:8px 4px;}
.ghost-link:hover{color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:11px;font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(27,107,122,.22);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(27,107,122,.3);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(27,107,122,.24);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px);color:var(--primary-dark);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--line);background:#FBFDFE;}
.channel-inner{display:flex;align-items:center;}
.channel-list{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;width:100%;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:none;}
.channel-list li a{display:inline-flex;align-items:center;height:52px;padding:0 15px;font-size:14.5px;font-weight:600;color:var(--muted);border-radius:10px;white-space:nowrap;}
.channel-list li a:hover{color:var(--primary);background:var(--primary-soft);}
.channel-list li a.active{color:var(--primary-dark);background:var(--primary-soft);box-shadow:inset 0 -2px 0 var(--primary);}

/* ---------- 主体 ---------- */
.page-main{padding-bottom:16px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#B9C9D2;}
.crumb .current{color:var(--text);font-weight:600;}

.article-head{padding:16px 0 0;max-width:900px;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:12.5px;font-weight:700;letter-spacing:.2px;}
.badge + .badge{margin-left:8px;}
.badge-coral{background:var(--coral-soft);color:#B8533A;}
.article-title{margin:16px 0 0;font-size:clamp(28px,3.4vw,42px);line-height:1.32;font-weight:800;letter-spacing:-.3px;color:var(--text);}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--primary);font-size:12.5px;}
.article-lead{margin-top:22px;padding:18px 22px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 14px 14px 0;font-size:15.5px;line-height:1.85;color:#254A57;}
.article-cover{margin-top:26px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding:44px 0 0;}
.prose{font-size:16.8px;line-height:1.9;color:#1D3846;max-width:820px;overflow-wrap:break-word;}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 1em;}
.prose h2{margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);font-size:26px;line-height:1.42;font-weight:800;color:var(--text);}
.prose h3{margin:28px 0 12px;font-size:20px;line-height:1.5;font-weight:700;color:var(--text);}
.prose h4{margin:22px 0 10px;font-size:17px;font-weight:700;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.5em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:6px 0;}
.prose img{margin:22px 0;border-radius:14px;}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--primary-dark);}
.prose blockquote{margin:24px 0;padding:16px 20px;border-left:4px solid var(--coral);background:var(--coral-soft);border-radius:0 12px 12px 0;color:#7A3B2A;}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{display:block;width:100%;margin:20px 0;border-collapse:collapse;font-size:15px;overflow-x:auto;}
.prose th,.prose td{padding:10px 14px;border:1px solid var(--line);text-align:left;}
.prose th{background:var(--primary-soft);font-weight:700;}
.prose hr{margin:32px 0;border:0;border-top:1px solid var(--line);}
.prose code{padding:2px 6px;background:var(--primary-soft);border-radius:6px;font-size:.92em;}

.empty-state{padding:44px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-align:center;}
.empty-state i{font-size:30px;color:var(--primary);}
.empty-state h2{margin:16px 0 10px;font-size:22px;font-weight:800;}
.empty-state p{margin:0 0 22px;color:var(--muted);font-size:15px;}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:140px;display:grid;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.side-card h3{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:16px;font-weight:800;color:var(--text);}
.side-card h3 i{color:var(--primary);font-size:14px;}
.side-list li + li{margin-top:12px;}
.side-list a{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:10px;}
.side-list a:hover{background:var(--primary-soft);}
.side-list img{width:64px;height:48px;flex:none;border-radius:8px;object-fit:cover;}
.side-list .t{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-list .d{margin-top:4px;font-size:12.5px;color:var(--muted);}
.side-links li + li{margin-top:4px;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:#28495A;font-weight:600;}
.side-links a i{font-size:12px;color:#9FB4BE;transition:transform .2s,color .2s;}
.side-links a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.side-links a:hover i{color:var(--primary);transform:translateX(3px);}
.side-note{font-size:13px;line-height:1.75;color:var(--muted);}
.side-note strong{color:var(--primary-dark);}
.side-card .btn{width:100%;margin-top:14px;}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.2px;line-height:1.4;}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--muted);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--primary);}
.text-link i{font-size:12px;transition:transform .2s;}
.text-link:hover{color:var(--primary-dark);}
.text-link:hover i{transform:translateX(3px);}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px;}
.rel-card{display:flex;gap:16px;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#C7DCE3;}
.rel-card img{width:136px;height:94px;flex:none;border-radius:12px;object-fit:cover;}
.rel-card h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .meta{margin-top:8px;font-size:12.5px;color:#8AA0AB;}
.rel-card .meta span + span::before{content:"·";margin:0 8px;}

/* ---------- CTA ---------- */
.cta-band{position:relative;margin:64px 0 72px;border-radius:24px;overflow:hidden;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;border:1px solid var(--line);}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(232,243,245,.97) 0%,rgba(232,243,245,.9) 48%,rgba(232,243,245,.55) 100%);}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:54px 48px;}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.4;letter-spacing:-.2px;}
.cta-inner p{margin-top:12px;max-width:560px;font-size:15px;line-height:1.8;color:#2C5262;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#EAF3F5;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-desc{margin-top:14px;max-width:340px;font-size:14px;line-height:1.8;color:#B7D2D9;}
.footer-domain{margin-top:12px;font-size:13px;letter-spacing:.4px;color:#8FB6BF;}
.footer-col h4{margin-bottom:16px;font-size:15px;font-weight:700;color:#fff;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:#B7D2D9;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:4px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#9FC0C8;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .site-search{display:none;}
  .brand-inner{height:66px;gap:14px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .ghost-link{display:none;}
  .channel-list li a{height:50px;padding:0 12px;font-size:14px;}
  .article-layout{padding-top:32px;}
  .side{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .rel-card img{width:112px;height:80px;}
  .cta-inner{padding:38px 26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .prose{font-size:16.2px;line-height:1.85;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
}
@media (max-width:520px){
  .container{padding:0 15px;}
  .article-title{font-size:26px;}
  .article-lead{font-size:14.8px;padding:15px 17px;}
  .rel-card{flex-direction:column;}
  .rel-card img{width:100%;height:170px;}
  .section-head h2{font-size:22px;}
  .cta-inner h2{font-size:21px;}
  .footer-bottom{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --brand:#1B6B7A;
  --brand-dark:#0F4C5C;
  --brand-soft:#E8F3F5;
  --brand-soft-2:#F1F8F9;
  --coral:#E07A5F;
  --coral-soft:#FBEDE8;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --ink:#142B3B;
  --ink-soft:#5B6B76;
  --ink-mute:#7C8B95;
  --line:#DDE7EC;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 10px 30px rgba(20,43,59,.08);
  --shadow-2:0 16px 36px rgba(20,43,59,.13);
  --shadow-soft:0 6px 18px rgba(20,43,59,.05);
  --max:1240px;
  --ease:cubic-bezier(.3,.7,.4,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:.2px;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(27,107,122,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,76,92,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,76,92,.24);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:rgba(27,107,122,.38);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-soft);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:10px;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,43,59,.09);}
.brand-row{height:70px;}
.brand-inner{display:flex;align-items:center;gap:24px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--brand-dark);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);}
.brand-mark svg{width:20px;height:20px;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.3px;white-space:nowrap;}
.search-box{
  position:relative;flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  height:42px;padding:0 14px;background:var(--brand-soft-2);
  border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.search-box i{color:var(--ink-mute);font-size:14px;margin-right:10px;}
.search-box input{
  flex:1;height:100%;border:0;background:transparent;font-size:14.5px;outline:none;
}
.search-box input::placeholder{color:var(--ink-mute);}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,107,122,.14);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.mobile-search{display:none;width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);align-items:center;justify-content:center;margin-left:auto;}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--line);background:#fff;}
.channel-inner{padding:0 24px;}
.channel-list{
  display:flex;align-items:center;gap:6px;height:54px;
  overflow-x:auto;overflow-y:hidden;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;
  border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.channel-list a:hover{color:var(--brand-dark);background:var(--brand-soft);}
.channel-list a.active{color:var(--brand-dark);background:var(--brand-soft);box-shadow:inset 0 0 0 1px rgba(27,107,122,.22);}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding-top:20px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-mute);flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C8D1;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 页头 ---------- */
.page-head{position:relative;overflow:hidden;background:#E9F2F4;padding:56px 0 58px;border-bottom:1px solid var(--line);}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.32;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#FFFFFF 6%,rgba(255,255,255,.9) 42%,rgba(232,243,245,.45) 78%,rgba(232,243,245,.2) 100%);
}
.page-head-inner{position:relative;z-index:2;max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;background:#fff;
  border:1px solid rgba(27,107,122,.22);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
}
.page-head h1{margin:18px 0 14px;font-size:clamp(32px,4vw,48px);letter-spacing:.5px;}
.page-head-sub{font-size:16.5px;line-height:1.85;color:var(--ink-soft);max-width:700px;}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-row li{
  padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.86);
  border:1px solid rgba(27,107,122,.18);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--white{background:#fff;}
.section--soft{background:var(--brand-soft-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-top:12px;}
.section-note{max-width:440px;font-size:15px;color:var(--ink-soft);line-height:1.8;margin:0;}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--brand-dark);white-space:nowrap;}
.link-more i{font-size:12px;transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-scene{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:stretch;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE0E6;}
.card-media{position:relative;overflow:hidden;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.ratio-16-10{aspect-ratio:16/10;}
.ratio-4-3{aspect-ratio:4/3;}
.ratio-3-2{aspect-ratio:3/2;}
.card-body{padding:22px 24px 24px;}
.card-body h3{font-size:20px;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--ink-soft);line-height:1.8;}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14.5px;font-weight:700;color:var(--brand-dark);}
.card-link i{font-size:12px;transition:transform .2s var(--ease);}
.card-link:hover i{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
}
.badge-coral{background:var(--coral-soft);color:#B4532F;}

/* ---------- 核对要点 ---------- */
.point-card{padding:28px 26px 26px;}
.point-icon{
  width:46px;height:46px;border-radius:13px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.point-card h3{font-size:19px;margin-bottom:10px;}
.point-card p{font-size:15px;color:var(--ink-soft);}
.point-card .hint{display:block;margin-top:14px;font-size:13.5px;color:var(--ink-mute);}

/* ---------- 场景区 ---------- */
.scene-col{display:grid;gap:24px;}
.mini-stack{display:grid;gap:18px;align-content:start;}
.mini-row{
  display:flex;gap:16px;align-items:flex-start;padding:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.mini-row:hover{background:var(--brand-soft-2);border-color:#CFE0E6;transform:translateY(-3px);box-shadow:var(--shadow-1);}
.mini-thumb{width:112px;height:78px;flex:0 0 112px;border-radius:10px;object-fit:cover;}
.mini-body{min-width:0;}
.mini-tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--coral);letter-spacing:.3px;}
.mini-body h3{font-size:16.5px;margin:6px 0 6px;line-height:1.45;}
.mini-body p{font-size:13.8px;line-height:1.7;color:var(--ink-soft);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px 26px;box-shadow:var(--shadow-soft);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-dark);color:#fff;font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.step h3{font-size:18.5px;margin-bottom:10px;}
.step p{font-size:14.8px;color:var(--ink-soft);}
.step-line{display:none;}

/* ---------- 对比 ---------- */
.compare{
  border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-soft);
}
.compare.is-good{background:linear-gradient(180deg,#F3FAFB 0%,#FFFFFF 70%);border-color:#CBE3E7;}
.compare.is-warn{background:linear-gradient(180deg,#FDF3EF 0%,#FFFFFF 70%);border-color:#F0D8CE;}
.compare h3{font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.compare h3 i{font-size:16px;}
.compare.is-good h3 i{color:var(--brand);}
.compare.is-warn h3 i{color:var(--coral);}
.compare .compare-sub{font-size:14px;color:var(--ink-mute);margin-bottom:18px;}
.check-list li{
  position:relative;padding:11px 0 11px 30px;font-size:15px;color:var(--ink-soft);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:12px;font-size:13px;color:var(--brand);
}
.compare.is-warn .check-list li::before{content:"\f071";color:var(--coral);}

/* ---------- 反馈摘录 ---------- */
.quote-card{padding:26px 26px 22px;display:flex;flex-direction:column;height:100%;}
.quote-mark{font-size:22px;color:var(--brand-soft);margin-bottom:8px;}
.quote-card p{font-size:15px;color:var(--ink-soft);line-height:1.85;flex:1;}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-mute);}
.quote-meta .dot{width:8px;height:8px;border-radius:50%;background:var(--coral);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 20px;box-shadow:var(--shadow-soft);
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item[open]{background:var(--brand-soft-2);border-color:rgba(27,107,122,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:16px;font-weight:700;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff;}
.faq-answer{padding:0 0 20px;font-size:15.5px;line-height:1.8;color:var(--ink-soft);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:56px;
  background:var(--brand-soft);border:1px solid #D2E6EA;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);max-width:600px;}
.cta-inner p{margin:12px 0 0;font-size:15.5px;color:var(--ink-soft);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#E6F0F2;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(230,240,242,.76);}
.footer-domain{margin-top:14px;font-size:13.5px;color:rgba(230,240,242,.55);letter-spacing:.4px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(230,240,242,.78);font-size:14.5px;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:5px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(230,240,242,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .search-box{display:none;}
  .mobile-search{display:inline-flex;}
  .section{padding:64px 0;}
  .grid-scene{grid-template-columns:minmax(0,1fr);}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:40px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-note{max-width:none;}
}
@media (max-width:768px){
  .brand-inner{gap:12px;}
  .logo-text{font-size:16.5px;}
  .header-actions .btn-ghost{display:none;}
  .page-head{padding:44px 0 46px;}
  .grid-2,.grid-3{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .faq-grid{grid-template-columns:minmax(0,1fr);}
  .mini-thumb{width:96px;height:72px;flex:0 0 96px;}
  .section{padding:52px 0;}
  .cta-band{padding:30px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .channel-inner{padding:0 18px;}
  body{font-size:16px;}
  .logo-text{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;}
  .page-head h1{font-size:30px;}
  .page-head-sub{font-size:15.5px;}
  .header-actions .btn-primary{height:38px;padding:0 14px;font-size:14px;}
  .card-body{padding:18px 18px 20px;}
  .card-body h3{font-size:18px;}
  .mini-row{padding:12px;gap:12px;}
  .btn{height:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --primary:#1B6B7A;
  --primary-dark:#0F4C5C;
  --primary-soft:#E8F3F5;
  --coral:#E07A5F;
  --coral-soft:#FBEBE6;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --ink:#142B3B;
  --ink-soft:#5B6B76;
  --line:#DDE7EC;
  --radius:16px;
  --radius-lg:22px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-hover:0 16px 36px rgba(20,43,59,.13);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--primary-soft);}
.section--white{background:var(--card);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled .brand-bar{box-shadow:0 6px 20px rgba(20,43,59,.08);}
.brand-inner{display:flex;align-items:center;gap:22px;height:70px;}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--primary-dark);white-space:nowrap;}
.brand-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;color:var(--primary);background:var(--primary-soft);border-radius:10px;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.site-search{position:relative;flex:1 1 auto;max-width:420px;margin-left:8px;}
.site-search input{
  width:100%;height:44px;padding:0 44px 0 16px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--bg);font-size:14.5px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.site-search input::placeholder{color:#8A9AA4;}
.site-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,107,122,.14);}
.site-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border:0;border-radius:8px;background:transparent;color:var(--primary);
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.site-search button:hover{background:var(--primary-soft);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:11px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(27,107,122,.22);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,76,92,.28);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,76,92,.24);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{background:transparent;color:var(--ink-soft);padding:0 12px;height:44px;font-weight:600;}
.btn-text:hover{color:var(--primary);background:var(--primary-soft);}
.search-toggle{display:none;}

/* ---------- Channel nav ---------- */
.channel-row{background:#fff;border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;}
.channel-list{display:flex;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;width:100%;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:inline-flex;align-items:center;height:54px;padding:0 15px;
  font-size:15px;font-weight:500;color:var(--ink-soft);white-space:nowrap;
  border-bottom:3px solid transparent;border-radius:6px 6px 0 0;
}
.channel-list a:hover{color:var(--primary);background:var(--primary-soft);}
.channel-list a.active{color:var(--primary);font-weight:800;border-bottom-color:var(--primary);background:transparent;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-wrap{background:var(--card);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);padding:14px 0;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#B7C6CE;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 45%,rgba(232,243,245,.86) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:52px 0 44px;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,107,122,.07) 0%,rgba(27,107,122,0) 70%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:var(--coral-soft);color:#B4472F;font-size:13px;font-weight:700;margin-bottom:16px;
}
.page-hero h1{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-.5px;color:var(--ink);}
.page-hero .hero-sub{margin-top:14px;max-width:780px;font-size:17px;color:var(--ink-soft);line-height:1.85;}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.filter-tab{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .18s ease;
}
.filter-tab:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.filter-tab.is-on{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(27,107,122,.22);}

/* ---------- Section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.3px;}
.section-head p{margin-top:10px;color:var(--ink-soft);font-size:15.5px;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--primary);}
.link-more:hover{color:var(--primary-dark);}
.link-more i{font-size:12px;transition:transform .18s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- Step list ---------- */
.step-list{border-top:1px solid var(--line);background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow);}
.step-item{
  display:grid;grid-template-columns:76px minmax(0,1fr) 148px;gap:26px;align-items:center;
  padding:26px 30px;border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.step-item:last-child{border-bottom:0;}
.step-item:hover{background:var(--primary-soft);}
.step-num{font-size:28px;font-weight:800;color:rgba(27,107,122,.34);font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1;}
.step-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-size:12.5px;font-weight:700;
}
.badge--coral{background:var(--coral-soft);color:#B4472F;}
.step-date{font-size:13px;color:#8A9AA4;font-variant-numeric:tabular-nums;}
.step-item h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);}
.step-item p{margin-top:8px;font-size:15.5px;color:var(--ink-soft);line-height:1.8;}
.step-thumb img{width:148px;height:96px;object-fit:cover;border-radius:12px;background:var(--primary-soft);transition:transform .25s ease;}
.step-item:hover .step-thumb img{transform:scale(1.03);}
.step-thumb{overflow:hidden;border-radius:12px;}

/* ---------- Tips + FAQ ---------- */
.duo-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:26px;align-items:start;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);}
.panel h2{font-size:26px;font-weight:800;line-height:1.35;}
.panel .panel-lead{margin-top:10px;color:var(--ink-soft);font-size:15px;}
.tip-list{margin-top:22px;display:grid;gap:16px;}
.tip-item{display:flex;gap:14px;align-items:flex-start;padding:16px;background:var(--bg);border-radius:14px;}
.tip-item i{color:var(--primary);font-size:16px;margin-top:4px;}
.tip-item strong{display:block;font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.tip-item span{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}

.faq-list{margin-top:22px;display:grid;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:background-color .18s ease,border-color .18s ease;}
.faq-item[open]{background:var(--primary-soft);border-color:#C9E0E5;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--primary);line-height:1;flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 20px 18px;font-size:15.5px;line-height:1.8;color:var(--ink-soft);}
.faq-item summary:hover{color:var(--primary-dark);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:56px;
  background-image:linear-gradient(100deg,rgba(232,243,245,.97) 0%,rgba(232,243,245,.86) 55%,rgba(232,243,245,.68) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;border:1px solid #CFE5EA;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.35;max-width:640px;}
.cta-band p{margin-top:12px;color:var(--ink-soft);font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-dark);color:#DCEBEF;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:#B6D2D9;max-width:360px;}
.footer-domain{margin-top:14px;font-size:13.5px;color:#8FB6BF;letter-spacing:.4px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:#B6D2D9;border-bottom:1px solid transparent;padding-bottom:2px;}
.footer-col a:hover{color:#F6C5B4;border-bottom-color:var(--coral);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FB6BF;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1180px){
  .site-search{max-width:300px;}
}
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-hero h1{font-size:36px;}
  .page-hero{padding:44px 0 38px;}
  .step-item{grid-template-columns:60px minmax(0,1fr) 128px;gap:20px;padding:22px 24px;}
  .step-thumb img{width:128px;height:86px;}
  .duo-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .site-search{display:none;}
  .search-toggle{display:inline-flex;}
  .section-head h2{font-size:28px;}
  .cta-band{padding:44px;}
}
@media screen and (max-width:768px){
  .brand-inner{height:64px;gap:12px;}
  .brand-logo{font-size:16.5px;}
  .brand-mark{width:30px;height:30px;}
  .brand-actions .btn-text{display:none;}
  .brand-actions .btn-primary{height:42px;padding:0 14px;font-size:14px;}
  .channel-list a{font-size:14px;padding:0 12px;height:50px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .step-item{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:20px;}
  .step-thumb{grid-column:1 / -1;}
  .step-thumb img{width:100%;height:170px;}
  .step-num{font-size:22px;}
  .step-item h3{font-size:18px;}
  .panel{padding:24px;}
  .cta-band{padding:32px;border-radius:20px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .brand-actions .btn-primary{padding:0 12px;font-size:13.5px;}
  .filter-tab{height:34px;font-size:13px;padding:0 13px;}
  .breadcrumb{font-size:12.5px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --primary:#1B6B7A;
  --primary-dark:#0F4C5C;
  --primary-light:#E8F3F5;
  --primary-mid:#2A8797;
  --coral:#E07A5F;
  --coral-light:#FCEDE8;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --text:#142B3B;
  --text-soft:#5B6B76;
  --line:#DDE7EC;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-hover:0 16px 36px rgba(20,43,59,.13);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:inherit;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,43,59,.10);}
.brand-row{background:#fff;}
.brand-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-name{
  font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--text);
  white-space:nowrap;
}
.brand:hover .brand-name{color:var(--primary-dark);}
.search-box{
  flex:1 1 auto;max-width:380px;
  display:flex;align-items:center;
  height:42px;padding:0 6px 0 14px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.search-box input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);height:100%;min-width:0;
}
.search-box input::placeholder{color:#93A5AF;}
.search-box button{
  width:34px;height:34px;flex:0 0 auto;
  border:0;border-radius:8px;background:var(--primary);color:#fff;
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:background .2s ease;
}
.search-box button:hover{background:var(--primary-dark);}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:11px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;font-size:15px;
}
.search-toggle:hover{border-color:var(--primary);color:var(--primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:11px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(27,107,122,.25);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(27,107,122,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px;border-radius:12px;}

/* ---------- Channel nav ---------- */
.channel-row{background:#fff;border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;min-height:54px;}
.channel-list{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  width:100%;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;color:var(--text-soft);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.channel-list a:hover{background:var(--primary-light);color:var(--primary);}
.channel-list a.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(27,107,122,.25);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  min-height:290px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 48%,rgba(232,243,245,.62) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(27,107,122,.10) 0%,rgba(27,107,122,0) 70%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding-top:54px;padding-bottom:54px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-soft);margin-bottom:16px;
}
.breadcrumb a{color:var(--text-soft);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#A9BAC3;}
.breadcrumb .current{color:var(--primary-dark);font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;font-weight:800;letter-spacing:.5px;
  margin:0 0 16px;max-width:820px;
}
.page-hero-lead{
  max-width:740px;margin:0;
  font-size:16.5px;line-height:1.85;color:var(--text-soft);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.86);
  border:1px solid rgba(27,107,122,.20);
  color:var(--primary-dark);font-size:13px;font-weight:600;
}
.tag.coral{background:var(--coral-light);border-color:rgba(224,122,95,.28);color:#B85539;}

/* ---------- Sections ---------- */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:780px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px;}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.35;margin:0;}
.section-sub{margin:12px 0 0;color:var(--text-soft);font-size:15.5px;line-height:1.8;}

/* ---------- Zigzag ---------- */
.zigzag{
  display:grid;grid-template-columns:1fr 1fr;
  gap:52px;align-items:center;
  padding:8px 0;
}
.zigzag + .zigzag{margin-top:56px;}
.zigzag.reverse .zigzag-media{order:2;}
.zigzag.reverse .zigzag-body{order:1;}
.zigzag-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
  background:var(--primary-light);
}
.zigzag-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .55s ease;
}
.zigzag:hover .zigzag-media img{transform:scale(1.03);}
.zigzag-media .media-badge{
  position:absolute;left:16px;top:16px;
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.92);
  color:var(--primary-dark);font-size:12.5px;font-weight:700;
  backdrop-filter:blur(2px);
}
.zigzag-body h3{
  font-size:clamp(20px,2vw,24px);font-weight:800;line-height:1.42;
  margin:0 0 16px;
}
.zigzag-body p{margin:0 0 14px;color:var(--text-soft);font-size:16.5px;line-height:1.85;}
.zigzag-body p:last-child{margin-bottom:0;}
.step-list{margin-top:18px;display:grid;gap:12px;}
.step-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;line-height:1.75;color:var(--text-soft);
}
.step-num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:var(--primary-light);color:var(--primary);
  font-size:12.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}

/* ---------- Quote card ---------- */
.quote-card{
  position:relative;
  margin:60px 0;
  padding:34px 40px 34px 44px;
  background:var(--primary-light);
  border-radius:var(--radius-lg);
  border-left:5px solid var(--primary);
}
.quote-card p{
  margin:0;font-size:17px;line-height:1.85;
  color:var(--primary-dark);font-weight:600;
}
.quote-card cite{
  display:block;margin-top:14px;font-style:normal;
  font-size:13.5px;color:var(--text-soft);font-weight:500;
}

/* ---------- Mini stats ---------- */
.mini-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-bottom:56px;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C9E0E4;}
.stat-num{
  font-size:28px;font-weight:800;color:var(--primary);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-soft);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{background:#F3F9FA;border-color:#C9E0E4;}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:600;
  color:var(--primary);line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--primary-dark);}
.faq-body{padding:0 22px 20px;color:var(--text-soft);font-size:15.5px;line-height:1.8;}
.faq-body p{margin:0;}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;
  padding:56px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.14;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(232,243,245,.94) 0%,rgba(232,243,245,.72) 60%,rgba(232,243,245,.5) 100%);
}
.cta-content{position:relative;z-index:2;max-width:640px;}
.cta-content h2{
  font-size:clamp(23px,2.4vw,30px);font-weight:800;line-height:1.4;
  margin:0 0 14px;color:var(--primary-dark);
}
.cta-content p{margin:0;color:#3F6C77;font-size:15.5px;line-height:1.85;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-dark);color:#D7E7EB;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:rgba(255,255,255,.13);color:#8FD3DD;
}
.footer-brand .brand-mark svg{width:20px;height:20px;}
.footer-desc{font-size:14.5px;line-height:1.85;color:#A9C6CD;margin:0 0 14px;}
.footer-domain{font-size:13.5px;color:#8FB3BB;margin:0;letter-spacing:.5px;}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#BED7DD;font-size:14.5px;transition:color .2s ease;}
.footer-col a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:var(--coral);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:48px;padding:22px 0 26px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13.5px;color:#93B4BC;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .brand-inner{gap:16px;}
  .search-box{max-width:240px;}
  .zigzag{grid-template-columns:1fr;gap:30px;}
  .zigzag.reverse .zigzag-media{order:0;}
  .zigzag.reverse .zigzag-body{order:0;}
  .zigzag + .zigzag{margin-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .mini-stats{grid-template-columns:repeat(3,1fr);gap:16px;}
  .cta-band{padding:44px 36px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .search-box{display:none;}
  .search-toggle{display:inline-flex;}
  .brand-actions .btn-ghost{display:none;}
  .brand-name{font-size:16.5px;letter-spacing:0;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .brand-mark svg{width:19px;height:19px;}
  .brand-actions .btn-primary{height:40px;padding:0 14px;font-size:14px;border-radius:10px;}
  .page-hero{min-height:0;}
  .page-hero-inner{padding-top:40px;padding-bottom:40px;}
  .page-hero-lead{font-size:15.5px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .section-head{margin-bottom:32px;}
  .mini-stats{grid-template-columns:1fr;gap:14px;margin-bottom:40px;}
  .quote-card{margin:44px 0;padding:26px 24px 26px 26px;}
  .quote-card p{font-size:16px;}
  .cta-wrap{padding-bottom:60px;}
  .cta-band{
    flex-direction:column;align-items:flex-start;
    padding:36px 24px;border-radius:20px;gap:24px;
  }
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:520px){
  .brand-inner{min-height:62px;gap:10px;}
  .brand-name{font-size:15.5px;white-space:normal;line-height:1.25;max-width:150px;}
  .brand-actions .btn-primary{padding:0 12px;font-size:13.5px;}
  .channel-list a{height:32px;padding:0 12px;font-size:14px;}
  .page-hero h1{font-size:28px;}
  .btn-lg{height:46px;padding:0 18px;font-size:15px;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;font-size:15px;}
  .zigzag-body p{font-size:15.5px;}
}

/* roulang page: category4 */
:root{
  --primary:#1B6B7A;
  --primary-dark:#0F4C5C;
  --primary-soft:#E8F3F5;
  --primary-line:#BFDDE3;
  --coral:#E07A5F;
  --coral-soft:#FBEAE4;
  --coral-deep:#B5543B;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --text:#142B3B;
  --muted:#5B6B76;
  --line:#DDE7EC;
  --radius-l:18px;
  --radius-m:14px;
  --radius-s:10px;
  --shadow-1:0 10px 30px rgba(20,43,59,.08);
  --shadow-2:0 16px 36px rgba(20,43,59,.13);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:800;line-height:1.3;letter-spacing:.005em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:11px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(27,107,122,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(27,107,122,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 5px 12px rgba(27,107,122,.22)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-line)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-lg{height:48px;padding:0 26px;font-size:16px;border-radius:12px}
.icon-btn{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--primary);
  cursor:pointer;transition:background-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--primary-soft)}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(20,43,59,.09)}
.brand-row{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);letter-spacing:.01em;white-space:nowrap;flex:0 0 auto}
.brand:hover{color:var(--primary)}
.brand-mark{width:30px;height:30px;color:var(--primary);display:inline-flex;flex:0 0 auto}
.brand-mark svg{width:100%;height:100%}
.header-search{flex:1 1 auto;max-width:420px;margin:0 auto}
.search-field{position:relative;display:block}
.search-field input{
  width:100%;height:44px;padding:0 46px 0 15px;
  border:1px solid var(--line);border-radius:10px;background:var(--bg);
  font-size:15px;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search-field input::placeholder{color:#93A6B1}
.search-field input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,107,122,.15)}
.search-field button{
  position:absolute;right:6px;top:6px;width:32px;height:32px;border:0;border-radius:8px;
  background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:color .18s ease,background-color .18s ease;
}
.search-field button:hover{color:var(--primary);background:var(--primary-soft)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}

/* ============ 频道行 ============ */
.channel-row{border-top:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;min-height:54px}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;width:100%;padding:8px 0}
.channel-list::-webkit-scrollbar{display:none}
.channel-list li{flex:0 0 auto}
.channel-list a{
  display:block;padding:8px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
}
.channel-list a:hover{color:var(--primary);background:var(--primary-soft)}
.channel-list a.active{color:#fff;background:var(--primary);box-shadow:0 6px 14px rgba(27,107,122,.24)}

/* ============ 面包屑 ============ */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:2px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary);text-decoration:underline}
.crumbs .sep{margin:0 8px;color:#B9C8D1}
.crumbs .current{color:var(--text);font-weight:700}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;margin-top:18px;padding:48px 0 44px;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 46%,rgba(232,243,245,.7) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,107,122,.09) 0%,rgba(27,107,122,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--primary-line);color:var(--primary-dark);
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.hero-tag i{font-size:12px}
.page-hero h1{font-size:46px;line-height:1.2;letter-spacing:-.01em;margin-bottom:16px}
.page-hero .hero-lead{max-width:760px;font-size:17px;line-height:1.85;color:var(--muted);margin:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta .badge{background:#fff;border:1px solid var(--primary-line);color:var(--primary-dark)}

/* ============ 筛选条 ============ */
.filter-bar{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:26px;padding:14px 16px;max-width:900px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-1);
}
.filter-field{position:relative;flex:1 1 240px;min-width:200px}
.filter-field input{
  width:100%;height:44px;padding:0 44px 0 15px;border:1px solid var(--line);border-radius:10px;
  background:var(--bg);font-size:15px;color:var(--text);transition:border-color .18s,box-shadow .18s,background-color .18s;
}
.filter-field input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,107,122,.15)}
.filter-field i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg);color:var(--muted);
  font-size:13.5px;font-weight:600;cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:var(--primary-line);color:var(--primary);background:var(--primary-soft)}
.chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(27,107,122,.2)}

/* ============ 主体双栏 ============ */
.section{padding:64px 0}
.section-tight{padding:52px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:32px}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:8px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--primary)}
.text-link:hover{color:var(--primary-dark);gap:12px}

.catalog-grid{margin-left:-16px;margin-right:-16px}
.catalog-grid > .cell{padding-left:16px;padding-right:16px}

/* 左侧目录 */
.cat-nav{
  position:sticky;top:150px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-1);padding:24px 22px;
}
.cat-nav h2{font-size:15px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin-bottom:14px}
.cat-nav ul{display:flex;flex-direction:column;gap:4px}
.cat-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.cat-nav a:hover{background:var(--primary-soft);color:var(--primary-dark);padding-left:16px}
.cat-nav a .count{font-size:12.5px;font-weight:600;color:var(--muted);background:var(--bg);border-radius:999px;padding:1px 9px}
.cat-nav a:hover .count{background:#fff;color:var(--primary)}
.nav-note{margin-top:20px;padding:16px;border-radius:14px;background:var(--primary-soft);border:1px solid var(--primary-line)}
.nav-note h3{font-size:14px;color:var(--primary-dark);margin-bottom:8px}
.nav-note p{font-size:13.5px;line-height:1.75;color:#3F6070;margin:0}

/* 右侧条目 */
.entry-group{margin-bottom:40px}
.entry-group:last-child{margin-bottom:0}
.group-title{display:flex;align-items:center;gap:10px;font-size:22px;margin-bottom:6px}
.group-title::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--primary);flex:0 0 auto}
.group-desc{font-size:14.5px;color:var(--muted);margin:0 0 18px;padding-left:14px}

.entry-row{
  display:grid;grid-template-columns:160px minmax(0,1fr) 40px;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:14px;
  box-shadow:0 6px 18px rgba(20,43,59,.06);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.entry-thumb{width:160px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--primary-soft);position:relative}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-row:hover .entry-thumb img{transform:scale(1.04)}
.entry-body h3{font-size:18px;margin-bottom:7px;transition:color .18s ease}
.entry-row:hover .entry-body h3{color:var(--primary-dark)}
.entry-body p{
  font-size:14.5px;line-height:1.75;color:var(--muted);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:#8296A2}
.entry-meta .dot{color:#C3D1D9}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-size:12.5px;font-weight:700;letter-spacing:.01em;
}
.badge.hot{background:var(--coral-soft);color:var(--coral-deep)}
.entry-arrow{
  display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);font-size:13px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.entry-row:hover .entry-arrow{background:var(--primary);color:#fff;transform:translateX(2px)}

/* 相关分类横滑 */
.related-scroll{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 14px;scrollbar-width:none;-ms-overflow-style:none;
}
.related-scroll::-webkit-scrollbar{display:none}
.related-card{
  flex:0 0 268px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(20,43,59,.06);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:var(--text);display:block;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary-line);color:var(--text)}
.related-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:800;margin-bottom:14px}
.related-card h3{font-size:17px;margin-bottom:8px}
.related-card p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0 0 14px}
.related-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--primary)}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:52px 44px;
  background:var(--primary-soft) url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  border:1px solid var(--primary-line);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.84) 52%,rgba(232,243,245,.62) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:30px;margin-bottom:10px}
.cta-inner p{font-size:15.5px;color:var(--muted);max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-dark);color:#DCEBF0;margin-top:76px;padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{color:#7FC2CE}
.footer-desc{font-size:14px;line-height:1.85;color:#B9D3DB;margin:0 0 12px}
.footer-domain{font-size:13px;color:#8FB3BE;letter-spacing:.02em;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#C4DAE1;display:inline-flex;align-items:center;gap:6px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:4px}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#9FBCC6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .brand-row{gap:14px}
  .header-search{max-width:280px}
  .page-hero h1{font-size:38px}
  .cat-nav{position:static;top:auto;margin-bottom:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .header-search{display:none}
  .icon-btn{display:inline-flex}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .section-head h2{font-size:27px}
  .page-hero{padding:38px 0 36px}
  .page-hero h1{font-size:33px}
  .page-hero .hero-lead{font-size:15.5px}
  .entry-row{grid-template-columns:132px minmax(0,1fr);gap:14px}
  .entry-thumb{width:132px}
  .entry-arrow{display:none}
  .cta-band{padding:38px 26px;border-radius:20px}
  .cta-inner h2{font-size:25px}
  .footer-grid{gap:26px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .brand{font-size:17px}
  .brand-mark{width:26px;height:26px}
  .brand-row{height:64px}
  .channel-inner{min-height:52px}
  .channel-list a{font-size:14px;padding:7px 13px}
  .page-hero h1{font-size:29px}
  .filter-bar{padding:12px}
  .filter-field{flex:1 1 100%}
  .entry-row{grid-template-columns:1fr;gap:12px;padding:12px}
  .entry-thumb{width:100%;aspect-ratio:16/9}
  .entry-body h3{font-size:17px}
  .related-card{flex:0 0 240px}
  .cta-band{padding:30px 20px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn,.icon-btn{min-height:44px}
}

/* roulang page: category5 */
:root{
  --primary:#1B6B7A;
  --primary-dark:#0F4C5C;
  --primary-soft:#E8F3F5;
  --coral:#E07A5F;
  --coral-soft:#FBEAE4;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --text:#142B3B;
  --muted:#5B6B76;
  --line:#DDE7EC;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 16px 36px rgba(20,43,59,.13);
  --space-block:88px;
  --space-block-sm:72px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:16px;}
::selection{background:var(--primary-soft);color:var(--primary-dark);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ---------- 品牌行 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FBFDFD;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,43,59,.09);}
.brand-row{border-bottom:1px solid transparent;}
.brand-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:.3px;
  color:var(--primary-dark);white-space:nowrap;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;background:var(--primary);color:#fff;
  box-shadow:0 6px 14px rgba(27,107,122,.25);
}
.brand-mark svg{width:20px;height:20px;}
.header-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:400px;margin:0 8px;
}
.header-search input{
  width:100%;height:42px;
  padding:0 46px 0 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search input::placeholder{color:#92A2AC;}
.header-search input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-soft);
  outline:none;
}
.header-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;border-radius:8px;
  background:transparent;color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.header-search button:hover{background:var(--primary-soft);color:var(--primary);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:#fff;color:var(--primary);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-md);
  font-size:15.5px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  will-change:transform;
}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px;border-radius:var(--radius-sm);}
.btn-primary{background:var(--primary-dark);color:#fff;box-shadow:0 8px 18px rgba(15,76,92,.22);}
.btn-primary:hover{background:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(15,76,92,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(15,76,92,.24);}
.btn-outline{background:#fff;color:var(--primary-dark);border-color:#BFD6DC;}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-soft{background:var(--primary-soft);color:var(--primary-dark);}
.btn-soft:hover{background:#D8EBEE;color:var(--primary-dark);transform:translateY(-1px);}

/* ---------- 频道行 ---------- */
.channel-row{background:#F4F9FA;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;}
.channel-list{
  display:flex;align-items:center;gap:6px;
  min-height:54px;width:100%;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 16px;
  border-radius:999px;
  font-size:15px;font-weight:600;color:#41525C;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel-list a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.channel-list a.active{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(27,107,122,.24);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(100deg,rgba(251,253,253,.96) 0%,rgba(251,253,253,.88) 48%,rgba(232,243,245,.82) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -80px auto;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,107,122,.10),rgba(27,107,122,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;padding-top:64px;padding-bottom:64px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8A9AA4;}
.breadcrumb a{color:#6B7C87;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3D1D8;}
.breadcrumb .current{color:var(--text);font-weight:600;}
.page-hero h1{
  margin-top:18px;
  font-size:48px;line-height:1.22;font-weight:800;letter-spacing:.4px;
  color:var(--primary-dark);
}
.page-hero .lead{
  margin-top:16px;max-width:760px;
  font-size:17px;line-height:1.85;color:#3E525E;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.2px;
  background:var(--primary-soft);color:var(--primary-dark);
}
.badge-coral{background:var(--coral-soft);color:#B4543B;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-block) 0;}
.section-tight{padding:var(--space-block-sm) 0;}
.section-white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{
  font-size:33px;line-height:1.3;font-weight:800;color:var(--primary-dark);letter-spacing:.3px;
}
.section-head p{margin-top:10px;font-size:15.5px;color:var(--muted);max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--primary);white-space:nowrap;}
.text-link:hover{color:var(--primary-dark);gap:12px;}

/* ---------- 双栏主体 ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:32px;
}
.panel-title{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:800;color:var(--primary-dark);}
.panel-title i{color:var(--primary);font-size:18px;}
.panel-sub{margin-top:10px;font-size:15px;color:var(--muted);}
.steps{margin-top:26px;display:grid;gap:18px;}
.steps li{
  display:grid;grid-template-columns:44px 1fr;gap:14px;
  padding:16px;border-radius:var(--radius-md);
  background:#F7FBFC;border:1px solid #E6EFF2;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.steps li:hover{background:var(--primary-soft);border-color:#CFE3E7;transform:translateY(-2px);}
.step-num{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid #CFE3E7;
  color:var(--primary-dark);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.steps h3{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;}
.steps p{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--muted);}
.panel-note{
  margin-top:24px;padding:16px 18px;
  border-left:3px solid var(--coral);
  background:var(--coral-soft);border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-size:14.5px;color:#8C4630;line-height:1.75;
}
.panel-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:24px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:background .2s ease,border-color .2s ease;
  overflow:hidden;
}
.faq-item[open]{background:#F7FCFD;border-color:#CFE3E7;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary-dark);}
.faq-item summary .q-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:800;
}
.faq-item summary .sign{
  margin-left:auto;flex:0 0 22px;
  position:relative;width:22px;height:22px;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-item summary .sign::before{left:3px;top:10px;width:16px;height:2px;}
.faq-item summary .sign::after{left:10px;top:3px;width:2px;height:16px;}
.faq-item[open] summary .sign::after{transform:rotate(90deg);opacity:0;}
.faq-answer{padding:0 20px 20px 60px;}
.faq-answer p{font-size:15.5px;line-height:1.82;color:#41525C;}

/* ---------- 图文频道卡 ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.channel-card{
  display:grid;grid-template-columns:168px 1fr;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:18px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CFE3E7;}
.channel-card .thumb{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:#E8F3F5;
}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.channel-card:hover .thumb img{transform:scale(1.04);}
.channel-card h3{font-size:19px;font-weight:800;color:var(--primary-dark);line-height:1.45;}
.channel-card p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--muted);}
.channel-card .card-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:14.5px;font-weight:700;color:var(--primary);
}
.channel-card:hover .card-link{gap:12px;color:var(--primary-dark);}

/* ---------- 公告条 ---------- */
.notice-strip{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;
  padding:18px 22px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid #CFE3E7;box-shadow:var(--shadow-sm);
}
.notice-strip .tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  background:var(--coral-soft);color:#B4543B;font-size:13px;font-weight:700;white-space:nowrap;
}
.notice-strip p{font-size:15px;color:#3E525E;line-height:1.75;}
.notice-strip .time{font-size:13.5px;color:#8A9AA4;font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  padding:56px;
  background:
    linear-gradient(105deg,rgba(232,243,245,.96) 0%,rgba(245,248,250,.9) 55%,rgba(232,243,245,.86) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border:1px solid #CFE3E7;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band h2{font-size:32px;line-height:1.32;font-weight:800;color:var(--primary-dark);max-width:640px;}
.cta-band p{margin-top:12px;font-size:15.5px;color:#41525C;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#D9E7EB;margin-top:8px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;letter-spacing:.3px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;color:#fff;}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:#AFC8CF;max-width:360px;}
.footer-domain{margin-top:14px;font-size:13.5px;color:#8FB0B9;letter-spacing:.4px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;letter-spacing:.5px;}
.footer-col ul{margin-top:16px;display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14.5px;color:#BFD6DC;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--coral);text-decoration-thickness:2px;text-underline-offset:4px;}
.to-top{display:inline-flex;align-items:center;gap:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:#9DBAC2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-block:72px;--space-block-sm:60px;}
  .page-hero h1{font-size:40px;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .channel-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px;}
  .header-search{max-width:320px;}
  .section-head h2{font-size:29px;}
}
@media (max-width:820px){
  .brand-inner{min-height:64px;gap:14px;}
  .header-search{display:none;}
  .header-search.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    max-width:none;margin:0;padding:12px 24px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 10px 20px rgba(20,43,59,.08);z-index:5;
  }
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .brand{font-size:17px;}
  .brand-mark{width:32px;height:32px;flex:0 0 32px;}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.78;}
  :root{--space-block:52px;--space-block-sm:44px;}
  .container{padding:0 18px;}
  .brand{font-size:16px;letter-spacing:0;}
  .brand-actions .btn-sm{padding:0 14px;font-size:13.5px;min-height:40px;}
  .page-hero .container{padding-top:40px;padding-bottom:44px;}
  .page-hero h1{font-size:32px;margin-top:14px;}
  .page-hero .lead{font-size:15.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:25px;}
  .panel{padding:22px;border-radius:16px;}
  .steps li{grid-template-columns:38px 1fr;padding:14px;gap:12px;}
  .step-num{width:38px;height:38px;border-radius:10px;font-size:15px;}
  .faq-item summary{font-size:16px;padding:16px;}
  .faq-answer{padding:0 16px 18px 16px;}
  .channel-card{grid-template-columns:1fr;gap:14px;padding:16px;}
  .channel-card .thumb{aspect-ratio:16/9;}
  .channel-card h3{font-size:18px;}
  .notice-strip{grid-template-columns:1fr;gap:10px;padding:16px;}
  .cta-band{padding:30px 22px;border-radius:20px;gap:24px;}
  .cta-band h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{min-height:46px;}
}