/* roulang page: index */
:root{
  --primary:#0F7B8A;
  --primary-dark:#0A5A66;
  --primary-light:#E4F3F4;
  --accent:#F08A3C;
  --positive:#2FB38C;
  --bg:#F4F7F8;
  --card:#FFFFFF;
  --surface:#EEF4F5;
  --text:#16232A;
  --text-2:#5B6B73;
  --text-3:#93A3AA;
  --border:#E2EAEC;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(15,60,70,.08);
  --shadow-hover:0 16px 36px rgba(15,60,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,123,138,.35);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head h2{font-size:28px;line-height:1.36;font-weight:700;color:var(--text)}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:600;line-height:1.4;
}
.eyebrow.on-dark{background:rgba(255,255,255,.16);color:#fff}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#0F7B8A,#28A5B5);color:#fff;box-shadow:0 8px 20px rgba(15,123,138,.26)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(15,123,138,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);transform:translateY(-2px);color:var(--primary-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(240,138,60,.28)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{filter:grayscale(60%);cursor:not-allowed;opacity:.85}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(15,60,70,.14)}
.brand-row{display:flex;align-items:center;gap:20px;height:64px;transition:height .22s var(--ease)}
.site-header.is-scrolled .brand-row{height:56px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700}
.logo:hover{color:var(--primary-dark)}
.logo-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#0F7B8A,#28A5B5);color:#fff;font-size:15px;
  box-shadow:0 6px 14px rgba(15,123,138,.28);
}
.logo-text{font-size:18px;letter-spacing:0}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-3);margin-left:6px}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--border);
  color:var(--text-2);font-size:14px;cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{background:var(--primary-light);color:var(--primary-dark);border-color:rgba(15,123,138,.35)}
.search{position:relative}
.search-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  width:300px;padding:10px;border-radius:var(--radius-md);
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-hover);
  display:none;
}
.search.is-open .search-panel{display:block}
.search-panel input{
  width:100%;padding:11px 14px;border-radius:var(--radius-input,12px);
  border:1px solid var(--border);background:var(--bg);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-panel input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,123,138,.15)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--surface);border:1px solid var(--border);
  color:var(--primary-dark);font-size:16px;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{background:var(--primary-light)}
.hot-row{border-top:1px solid var(--border);background:#fff}
.hot-inner{display:flex;align-items:center;gap:10px;height:40px;overflow-x:auto;scrollbar-width:none}
.hot-inner::-webkit-scrollbar{display:none}
.hot-label{font-size:12px;color:var(--text-3);flex:0 0 auto}
.hot-inner a{
  flex:0 0 auto;padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--surface);color:var(--text-2);font-size:12.5px;
  transition:all .22s var(--ease);
}
.hot-inner a:hover{background:var(--primary-light);color:var(--primary-dark)}
.channel-bar{background:#fff;border-top:1px solid var(--border)}
.channel-inner{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-inner a{
  position:relative;flex:0 0 auto;
  font-size:15px;color:var(--text-2);font-weight:500;
  padding:12px 0;transition:color .22s var(--ease);
}
.channel-inner a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:3px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.channel-inner a:hover{color:var(--primary-dark)}
.channel-inner a:hover::after{transform:scaleX(1)}
.channel-inner a.active{color:var(--primary-dark);font-weight:700}
.channel-inner a.active::after{transform:scaleX(1)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:56px;z-index:190;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 16px 36px rgba(15,60,70,.14);
  padding:12px 16px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 12px;border-radius:var(--radius-sm);
  color:var(--text);font-size:15px;font-weight:500;
}
.mobile-drawer a.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:700}

/* Hero */
.hero{padding:64px 0 56px;background:linear-gradient(135deg,#E4F3F4 0%,#F4F7F8 62%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:38px;line-height:1.25;font-weight:700;margin:18px 0 14px;letter-spacing:0}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats li{
  min-width:128px;padding:12px 18px;border-radius:var(--radius-md);
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);
}
.hero-stats strong{display:block;font-size:24px;line-height:1.3;color:var(--primary);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:390px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.hero-badge{
  position:absolute;right:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.94);color:var(--primary-dark);
  font-size:13px;font-weight:600;box-shadow:var(--shadow);
}

/* 优惠阶梯 */
.ladder{display:grid;gap:20px}
.ladder-item{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.ladder-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,123,138,.35)}
.ladder-item:nth-child(1){margin-right:64px}
.ladder-item:nth-child(2){margin-right:32px;background:linear-gradient(135deg,#fff,#F6FBFB)}
.ladder-item:nth-child(3){border-color:rgba(15,123,138,.35)}
.ladder-num{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#0F7B8A,#28A5B5);color:#fff;
  font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(15,123,138,.24);
}
.ladder-item h3{font-size:20px;font-weight:600;line-height:1.4}
.ladder-item .ladder-desc{font-size:14px;color:var(--text-2);margin-top:4px}
.benefit-list{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:14px}
.benefit-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.benefit-list i{color:var(--positive);font-size:13px}
.ladder-note{font-size:13px;color:var(--text-3);text-align:right;min-width:120px}
.ladder-note strong{display:block;color:var(--primary-dark);font-size:15px;font-variant-numeric:tabular-nums}

/* 套餐对比 */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.plan{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,123,138,.35)}
.plan.featured{
  border:2px solid var(--primary);
  box-shadow:0 16px 36px rgba(15,60,70,.14);
  transform:translateY(-6px);
}
.plan.featured:hover{transform:translateY(-10px)}
.plan-flag{
  position:absolute;top:-13px;right:20px;
  padding:4px 14px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
}
.plan h3{font-size:20px;font-weight:600;line-height:1.4}
.plan .plan-for{font-size:13px;color:var(--text-3);margin-top:6px}
.plan-price{margin:16px 0 6px;font-size:30px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.plan-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:4px}
.plan-list{border-top:1px dashed var(--border);margin-top:16px;padding-top:16px;display:grid;gap:10px}
.plan-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--text-2)}
.plan-list li i{color:var(--positive);font-size:12px;margin-top:6px}
.plan-list li.miss{color:var(--text-3);text-decoration:line-through}
.plan-list li.miss i{color:var(--text-3)}
.plan-list li.key{font-weight:700;color:var(--text)}
.plan-cta{margin-top:auto;padding-top:22px}

/* 限时入口 */
.limited{background:var(--surface)}
.limited-card{
  display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center;
  padding:36px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(15,123,138,.96),rgba(40,165,181,.92)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;box-shadow:0 18px 40px rgba(15,60,70,.2);
}
.countdown{display:flex;gap:12px}
.cd-block{
  width:74px;padding:12px 0;text-align:center;
  border-radius:12px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.cd-block strong{display:block;font-size:24px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.cd-block span{font-size:12px;color:rgba(255,255,255,.78)}
.limited-copy h2{font-size:26px;font-weight:700;line-height:1.4}
.limited-copy p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:620px}
.limited-copy .btn{margin-top:22px}

/* 咨询表单 */
.consult-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.consult-copy h2{font-size:28px;font-weight:700;line-height:1.36}
.consult-copy p{margin-top:14px;font-size:15px;color:var(--text-2)}
.consult-copy img{
  margin-top:24px;width:100%;height:220px;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
}
.consult-list{margin-top:20px;display:grid;gap:12px}
.consult-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.consult-list i{color:var(--primary);margin-top:6px;font-size:13px}
.consult-form{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
  padding:28px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.req{color:var(--accent);margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--border);background:var(--bg);
  outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field textarea{resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,123,138,.15);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}

/* 内容动态 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,123,138,.35)}
.news-link{display:grid;grid-template-columns:240px 1fr;color:inherit;height:100%}
.news-link:hover{color:inherit}
.news-cover{position:relative;overflow:hidden;background:var(--surface)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cat{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(228,243,244,.94);color:var(--primary-dark);
  font-size:12px;font-weight:600;
}
.news-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.news-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card a:hover h3{color:var(--primary-dark)}
.news-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.news-arrow{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface);color:var(--primary);font-size:12px;
  transition:all .22s var(--ease);
}
.news-card:hover .news-arrow{background:var(--primary);color:#fff}
.empty-state{
  max-height:220px;padding:44px 24px;text-align:center;
  border:1.5px dashed var(--border);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.6);
}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{margin:14px 0 18px;color:var(--text-2);font-size:15px}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--border)}
.faq details:first-child{border-top:1px solid var(--border)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;transition:color .22s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--primary-light);
  color:var(--primary);font-size:16px;line-height:1;transition:all .24s var(--ease);
}
.faq details[open] summary{color:var(--primary-dark)}
.faq details[open] summary::after{content:"−";background:var(--primary);color:#fff}
.faq summary:hover{color:var(--primary)}
.faq .faq-body{padding:0 4px 22px;font-size:15px;color:var(--text-2);animation:fadeUp .24s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 页脚 */
.site-footer{background:#0E2A2F;color:rgba(255,255,255,.72);margin-top:8px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:56px 0 40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72)}
.to-top:hover{color:#fff}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:960px}
  .plan-grid{grid-template-columns:repeat(3,1fr)}
  .plan-grid .plan:nth-child(4){grid-column:1 / -1}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:32px}
  .hero-visual img{height:320px}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid .plan:nth-child(4){grid-column:auto}
  .news-grid{grid-template-columns:1fr}
  .news-link{grid-template-columns:220px 1fr}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .channel-inner{gap:22px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .container{padding:0 16px}
  .brand-row{height:56px}
  .site-header.is-scrolled .brand-row{height:56px}
  .logo-text{font-size:16px}
  .logo-sub{display:none}
  .search-label{display:none}
  .icon-btn{padding:9px 12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .search-panel{width:250px;right:-40px}
  .hero{padding:40px 0 36px}
  .hero h1{font-size:26px;line-height:1.34}
  .hero-sub{font-size:15px}
  .hero-visual img{height:230px}
  .hero-stats{gap:10px}
  .hero-stats li{min-width:104px;padding:10px 14px}
  .hero-stats strong{font-size:20px}
  .section-head h2{font-size:22px;line-height:1.4}
  .ladder-item{grid-template-columns:1fr;gap:14px;margin-right:0 !important;padding:18px}
  .ladder-item:nth-child(1),.ladder-item:nth-child(2){margin-right:0}
  .ladder-note{text-align:left}
  .plan-grid{grid-template-columns:1fr}
  .plan.featured{transform:none}
  .plan.featured:hover{transform:translateY(-4px)}
  .limited-card{grid-template-columns:1fr;gap:24px;padding:24px}
  .countdown{gap:8px}
  .cd-block{width:auto;flex:1 1 0;min-width:0;padding:10px 0}
  .cd-block strong{font-size:20px}
  .consult-form{grid-template-columns:1fr;padding:20px}
  .news-link{grid-template-columns:1fr}
  .news-cover img{height:180px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:40px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  body{font-size:15px;line-height:1.75}
  .container{padding:0 14px}
  .hero h1{font-size:24px}
  .btn{padding:12px 22px;font-size:14px}
  .hero-actions .btn{flex:1 1 100%}
  .section-head h2{font-size:20px}
}

/* roulang page: article */
:root{
  --brand:#0F7B8A;
  --brand-deep:#0A5A66;
  --brand-soft:#E4F3F4;
  --accent:#F08A3C;
  --positive:#2FB38C;
  --bg:#F4F7F8;
  --card:#FFFFFF;
  --surface:#EEF4F5;
  --text:#16232A;
  --text-2:#5B6B73;
  --text-3:#93A3AA;
  --line:#E2EAEC;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow-sm:0 8px 24px rgba(15,60,70,.08);
  --shadow-md:0 16px 36px rgba(15,60,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(15,123,138,.35);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(15,60,70,.12);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:64px;transition:height .24s var(--ease);
}
.site-header.is-stuck .brand-row{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-soft));
  color:#fff;font-size:15px;flex:0 0 auto;
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.logo-sub{
  font-size:12px;line-height:1.4;font-weight:500;color:var(--brand-deep);
  background:var(--brand-soft);padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.header-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:14px;
  transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:rgba(15,123,138,.35);color:var(--brand);box-shadow:var(--shadow-sm);}
.search{position:relative;}
.search-panel{
  position:absolute;right:0;top:calc(100% + 10px);width:300px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);padding:10px;display:none;
}
.search.open .search-panel{display:block;}
.search-panel input{
  width:100%;padding:11px 14px;border-radius:var(--radius-xs);
  border:1px solid var(--line);background:var(--surface);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-panel input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,123,138,.18);background:#fff;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-xs);
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:16px;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(15,123,138,.35);color:var(--brand);}
.hot-row{border-top:1px dashed var(--line);}
.hot-inner{
  display:flex;align-items:center;gap:8px;height:40px;overflow-x:auto;
  scrollbar-width:none;white-space:nowrap;
}
.hot-inner::-webkit-scrollbar{display:none;}
.hot-label{font-size:13px;color:var(--text-3);flex:0 0 auto;}
.hot-inner a{
  font-size:13px;color:var(--text-2);padding:4px 12px;border-radius:999px;
  background:var(--surface);flex:0 0 auto;transition:all .22s var(--ease);
}
.hot-inner a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.channel-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.7);}
.channel-inner{display:flex;align-items:center;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-inner a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  flex:0 0 auto;line-height:48px;transition:color .22s var(--ease);
}
.channel-inner a::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:3px;border-radius:999px;
  background:transparent;transition:background .22s var(--ease);
}
.channel-inner a:hover{color:var(--brand);}
.channel-inner a.active{color:var(--brand-deep);font-weight:700;}
.channel-inner a.active::after{background:var(--brand);}

/* ============ 通用组件 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;line-height:1.4;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:5px 12px;border-radius:999px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .22s var(--ease);border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#189CB0);color:#fff;
  box-shadow:0 10px 24px rgba(15,123,138,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 16px 32px rgba(15,123,138,.34);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb li[aria-current] span{color:var(--text);font-weight:500;}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 0;max-width:820px;}
.article-title{
  font-size:38px;line-height:44px;font-weight:700;margin-top:16px;
  overflow-wrap:break-word;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.6;color:var(--text-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);}
.article-meta a{color:var(--text-2);}
.article-meta a:hover{color:var(--brand);}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;margin-left:auto;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--text-2);transition:all .22s var(--ease);
}
.share-btn:hover{border-color:rgba(15,123,138,.35);color:var(--brand);}
.share-btn.is-done{border-color:var(--positive);color:var(--positive);}

/* ============ 正文 ============ */
.article-layout{display:block;padding:34px 0 0;}
.article-body{
  width:100%;max-width:770px;margin:0 auto;
  font-size:16px;line-height:1.85;color:var(--text);
}
.article-body p{margin:0 0 1.2em;color:#26343C;}
.article-body > p:first-of-type{
  font-size:17.5px;line-height:1.9;color:var(--text);
  background:var(--brand-soft);border-radius:var(--radius-md);
  padding:20px 24px;border-left:4px solid var(--brand);
}
.article-body h2{
  position:relative;font-size:26px;line-height:36px;font-weight:700;
  margin:40px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.22em;width:4px;
  border-radius:999px;background:var(--brand);
}
.article-body h3{font-size:20px;line-height:28px;font-weight:600;margin:30px 0 14px;color:var(--brand-deep);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:10px;color:#26343C;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:var(--brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:rb;}
.article-body ol li{counter-increment:rb;}
.article-body ol li::before{
  content:counter(rb);position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;background:#EAF7F8;
  border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;border-radius:16px;margin:24px 0 8px;box-shadow:var(--shadow-sm);
}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;line-height:1.6;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--accent);}
.article-body strong{font-weight:600;color:var(--brand-deep);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;font-size:15px;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--surface);font-weight:600;color:var(--brand-deep);}
.article-body tbody tr:nth-child(even) td{background:#FAFCFC;}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body hr{border:none;height:1px;background:var(--line);margin:32px 0;}

.empty-article{
  border:1.5px dashed var(--line);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;background:#fff;
}
.empty-article i{font-size:26px;color:var(--text-3);}
.empty-article p{margin:14px 0 20px;color:var(--text-2);}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:28px;line-height:36px;font-weight:700;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,123,138,.35);}
.post-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-body h3{font-size:18px;line-height:27px;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--brand-deep);}
.post-body p{font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line);
}
.post-foot i{color:var(--brand);font-size:12px;}

/* ============ 返回入口条 ============ */
.article-foot{
  margin:56px 0 0;padding:26px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.article-foot h2{font-size:20px;line-height:28px;font-weight:600;}
.article-foot p{font-size:14px;color:var(--text-2);margin-top:6px;}
.article-foot .foot-actions{display:flex;flex-wrap:wrap;gap:12px;}
.page-main{padding-bottom:72px;}

/* ============ 返回顶部 ============ */
.back-to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),#189CB0);color:#fff;font-size:16px;
  display:grid;place-items:center;box-shadow:0 12px 26px rgba(15,123,138,.32);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .24s var(--ease);z-index:70;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{color:#fff;filter:brightness(1.06);}

/* ============ 页脚 ============ */
.site-footer{background:#0E2A2F;color:rgba(255,255,255,.72);margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding:56px 24px 40px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--brand),#189CB0);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.58);
}
.to-top{color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:7px;}
.to-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .card-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .article-title{font-size:32px;line-height:40px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.75;}
  .container{padding:0 16px;}
  .brand-row{height:56px;}
  .site-header.is-stuck .brand-row{height:56px;}
  .logo-sub{display:none;}
  .logo-text{font-size:17px;}
  .search-label{display:none;}
  .icon-btn{padding:9px 12px;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .search-panel{width:min(280px,78vw);}
  .channel-inner{
    display:none;flex-direction:column;align-items:stretch;gap:0;height:auto;padding:6px 0 10px;
  }
  .site-header.nav-open .channel-inner{display:flex;}
  .channel-inner a{line-height:44px;border-bottom:1px solid var(--line);}
  .channel-inner a::after{display:none;}
  .hot-inner{height:38px;}
  .article-title{font-size:26px;line-height:34px;}
  .article-head{padding-top:18px;}
  .article-body{font-size:15px;line-height:1.8;}
  .article-body > p:first-of-type{font-size:16px;padding:16px 18px;}
  .article-body h2{font-size:22px;line-height:30px;margin-top:32px;}
  .article-body h3{font-size:18px;line-height:26px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .related{padding-top:48px;}
  .section-head h2{font-size:22px;line-height:30px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .foot-actions{width:100%;}
  .article-foot .btn{flex:1;justify-content:center;}
  .footer-top{grid-template-columns:1fr;padding:44px 16px 32px;}
  .footer-brand p{max-width:none;}
  .back-to-top{right:16px;bottom:18px;width:44px;height:44px;}
  .page-main{padding-bottom:56px;}
}
@media (max-width:479px){
  .container{padding:0 14px;}
  .article-title{font-size:24px;line-height:32px;}
  .btn{padding:12px 20px;font-size:14px;}
  .post-body{padding:16px;}
}

/* roulang page: category1 */
:root{
  --primary:#0F7B8A;
  --primary-dark:#0A5A66;
  --primary-light:#E4F3F4;
  --accent:#F08A3C;
  --green:#2FB38C;
  --bg:#F4F7F8;
  --card:#FFFFFF;
  --surface:#EEF4F5;
  --text:#16232A;
  --text-2:#5B6B73;
  --text-3:#93A3AA;
  --border:#E2EAEC;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(15,60,70,.08);
  --shadow-lg:0 16px 36px rgba(15,60,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:72px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:15px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.28;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(15,123,138,.35);outline-offset:2px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(15,60,70,.12);}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  transition:height .22s var(--ease);
}
.site-header.is-stuck .brand-row{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:15px;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.2px;}
.logo-sub{
  font-size:12px;font-weight:500;color:var(--primary);
  background:var(--primary-light);
  padding:3px 10px;border-radius:var(--radius-pill);
}
.header-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border);
  background:#fff;color:var(--text-2);
  font-size:14px;
  transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:rgba(15,123,138,.35);color:var(--primary);background:var(--primary-light);}
.search{position:relative;}
.search-panel{
  position:absolute;right:0;top:48px;
  display:none;
  width:280px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  padding:12px;
}
.search.open .search-panel{display:block;}
.search-panel input{
  width:100%;height:42px;
  border:1px solid var(--border);
  border-radius:12px;
  padding:0 14px;
  color:var(--text);
  background:var(--surface);
  transition:all .22s var(--ease);
}
.search-panel input:focus{
  outline:none;background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,123,138,.15);
}
.nav-toggle{
  display:none;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;color:var(--text-2);
  font-size:16px;
}
.hot-row{border-top:1px solid var(--border);background:#fff;}
.hot-inner{
  display:flex;align-items:center;gap:14px;
  height:40px;
  overflow-x:auto;
  scrollbar-width:none;
}
.hot-inner::-webkit-scrollbar{display:none;}
.hot-label{font-size:13px;color:var(--text-3);flex:0 0 auto;}
.hot-inner a{
  flex:0 0 auto;
  font-size:13px;color:var(--text-2);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  transition:all .22s var(--ease);
}
.hot-inner a:hover{background:var(--primary-light);color:var(--primary-dark);}
.channel-bar{background:#fff;border-top:1px solid var(--border);position:relative;}
.channel-inner{
  display:flex;align-items:center;gap:28px;
  height:50px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-inner a{
  position:relative;
  flex:0 0 auto;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  padding:14px 0;
  transition:color .22s var(--ease);
}
.channel-inner a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  border-radius:3px;background:transparent;
  transition:background .22s var(--ease);
}
.channel-inner a:hover{color:var(--primary);}
.channel-inner a.active{color:var(--primary-dark);font-weight:700;}
.channel-inner a.active::after{background:var(--primary);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:all .22s var(--ease);
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  box-shadow:0 10px 24px rgba(15,123,138,.24);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.04);
  box-shadow:0 16px 32px rgba(15,123,138,.32);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  border-color:rgba(15,123,138,.5);
  color:var(--primary-dark);
}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{
  filter:grayscale(60%);opacity:.65;cursor:not-allowed;transform:none;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0F7B8A 0%,#128897 45%,#E4F3F4 100%);
  color:#fff;
  padding:56px 0 64px;
}
.page-hero::after{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.82);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb a{color:rgba(255,255,255,.92);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.55);}
.page-hero h1{
  font-size:38px;
  line-height:1.24;
  margin-bottom:16px;
  color:#fff;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.9);
  max-width:520px;
  margin-bottom:26px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  color:#fff;
  font-size:13px;font-weight:500;
  backdrop-filter:blur(4px);
}
.badge i{color:#FFD9B8;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  border-radius:var(--radius-lg);
  box-shadow:0 24px 48px rgba(6,42,50,.28);
  object-fit:cover;
  aspect-ratio:16/11;
}
.hero-visual .float-tag{
  position:absolute;right:-8px;bottom:-14px;
  background:#fff;color:var(--text);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  padding:12px 18px;
  display:flex;align-items:center;gap:12px;
}
.float-tag .num{
  font-size:24px;font-weight:700;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.float-tag .txt{font-size:12px;color:var(--text-3);line-height:1.4;}

/* ---------- Intro ---------- */
.intro{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  padding:28px 32px;
  margin-top:-36px;
  position:relative;
  z-index:3;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:22px;
  align-items:flex-start;
}
.intro-icon{
  width:48px;height:48px;flex:0 0 48px;
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:20px;
}
.intro p{color:var(--text-2);font-size:15.5px;}

/* ---------- Sections ---------- */
.section{padding:var(--gap-section) 0 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;
  letter-spacing:.6px;
  color:var(--primary-dark);
  background:var(--primary-light);
  padding:5px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
}
.section-head h2{font-size:28px;line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15.5px;}

/* ---------- Media rows (category1 主版式) ---------- */
.media-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:36px 0;
  border-top:1px dashed var(--border);
}
.media-row:first-of-type{border-top:none;padding-top:4px;}
.media-row.flip .media-text{order:2;}
.media-row.flip .media-pic{order:1;}
.media-step{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--primary-dark);
  margin-bottom:14px;
}
.media-step .dot{
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.media-text h3{font-size:20px;line-height:1.4;margin-bottom:12px;}
.media-text > p{color:var(--text-2);font-size:15px;margin-bottom:18px;}
.point-list li{
  position:relative;
  padding-left:28px;
  margin-bottom:10px;
  font-size:14.5px;
  color:var(--text-2);
}
.point-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:0;top:2px;
  font-size:13px;
  color:var(--green);
}
.media-pic{position:relative;}
.media-pic img{
  width:100%;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.media-pic:hover img{transform:scale(1.02);box-shadow:var(--shadow-lg);}
.pic-note{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  border-radius:var(--radius-sm);
  padding:8px 14px;
  font-size:12.5px;
  color:var(--text-2);
  box-shadow:var(--shadow-sm);
}

/* ---------- Scene list ---------- */
.scene-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:32px;
}
.scene-list{display:flex;flex-direction:column;}
.scene-item{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--border);
}
.scene-item:last-child{border-bottom:none;padding-bottom:0;}
.scene-item:first-child{padding-top:0;}
.scene-item h3{
  font-size:16px;font-weight:600;
  display:flex;align-items:center;gap:10px;
}
.scene-item h3 i{color:var(--accent);font-size:15px;}
.scene-item p{color:var(--text-2);font-size:14.5px;}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  padding:26px 22px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(15,123,138,.35);
}
.step-card .step-no{
  font-size:13px;font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
  margin-bottom:12px;
  display:block;
}
.step-card h3{font-size:17px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--text-2);}
.step-card::after{
  content:"";
  position:absolute;right:-14px;top:50%;
  width:8px;height:8px;border-radius:50%;
  background:var(--primary-light);
  border:1px solid rgba(15,123,138,.4);
}
.step-card:last-child::after{display:none;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(15,123,138,.35);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:600;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:14.5px;
  border-top:1px solid var(--border);
  padding-top:16px;
  margin:0 24px 22px;
  padding-left:0;padding-right:0;
}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:var(--gap-section);
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:var(--radius-lg);
  padding:44px 40px;
  color:#fff;
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  align-items:center;
  box-shadow:0 20px 44px rgba(15,60,70,.2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;bottom:-80px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 70%);
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:620px;}
.cta-band .btn-primary{
  background:#fff;
  color:var(--primary-dark);
  box-shadow:0 10px 24px rgba(6,42,50,.24);
}
.cta-band .btn-primary:hover{background:#fff;color:var(--primary-dark);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--gap-section);
  background:#0E2A2F;
  color:rgba(255,255,255,.72);
  padding:56px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:#fff;}
.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(255,255,255,.75);
  font-size:13px;
}
.to-top:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-card::after{display:none;}
}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:32px;}
  .page-hero{padding:44px 0 52px;}
  .media-row{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .media-row.flip .media-text{order:1;}
  .media-row.flip .media-pic{order:2;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;}
  .scene-item{grid-template-columns:1fr;gap:8px;}
}
@media (max-width:767px){
  :root{--gap-section:48px;}
  .brand-row{height:56px;}
  .logo-text{font-size:16px;}
  .logo-sub{display:none;}
  .search-label{display:none;}
  .icon-btn{padding:0 12px;}
  .nav-toggle{display:inline-flex;}
  .hot-row{display:none;}
  .channel-inner{
    display:none;
    height:auto;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    position:absolute;
    left:0;right:0;top:100%;
    background:#fff;
    padding:8px 24px 16px;
    box-shadow:0 16px 28px rgba(15,60,70,.14);
    border-bottom:1px solid var(--border);
  }
  body.nav-open .channel-inner{display:flex;}
  .channel-inner a{width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
  .channel-inner a:last-child{border-bottom:none;}
  .channel-inner a::after{display:none;}
  .page-hero h1{font-size:26px;line-height:1.34;}
  .hero-sub{font-size:15px;}
  .section-head h2{font-size:22px;line-height:1.36;}
  .intro{grid-template-columns:1fr;padding:22px 20px;gap:14px;}
  .media-text h3{font-size:18px;}
  .steps{grid-template-columns:1fr;}
  .scene-wrap{padding:22px 18px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{margin:0 18px 18px;}
  .cta-band h2{font-size:22px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-visual .float-tag{right:8px;bottom:-12px;padding:10px 14px;}
  .float-tag .num{font-size:20px;}
}
@media (max-width:479px){
  .container{padding:0 14px;}
  body{font-size:15px;line-height:1.75;}
  .btn{padding:13px 22px;font-size:14px;width:100%;}
  .cta-band .btn{width:100%;}
  .hero-badges{gap:8px;}
  .badge{font-size:12px;padding:6px 12px;}
}

/* roulang page: category3 */
:root{
  --brand:#0F7B8A;
  --brand-dark:#0A5A66;
  --brand-light:#E4F3F4;
  --accent:#F08A3C;
  --positive:#2FB38C;
  --bg:#F4F7F8;
  --card:#FFFFFF;
  --surface:#EEF4F5;
  --text:#16232A;
  --text-2:#5B6B73;
  --text-3:#93A3AA;
  --border:#E2EAEC;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --r-input:12px;
  --sh:0 8px 24px rgba(15,60,70,.08);
  --sh-hover:0 16px 36px rgba(15,60,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}
p{margin:0}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(15,123,138,.35);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s var(--ease);
}
.site-header.compact{box-shadow:0 4px 16px rgba(15,60,70,.10)}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  transition:height .24s var(--ease);
}
.site-header.compact .brand-row{height:56px}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  text-decoration:none;
  flex-shrink:0;
}
.logo:hover{color:var(--text)}
.logo-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#14A0B0);
  color:#fff;
  display:grid;place-items:center;
  font-size:15px;
  box-shadow:0 6px 14px rgba(15,123,138,.28);
  flex-shrink:0;
}
.logo-text{font-size:17px;font-weight:700;white-space:nowrap}
.logo-sub{
  font-size:12px;
  font-weight:500;
  color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:var(--r-pill);
  padding:3px 9px;
  white-space:nowrap;
}
.header-tools{display:flex;align-items:center;gap:10px}
.search{position:relative}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(15,123,138,.35);background:var(--brand-light)}
.search-panel{
  position:absolute;
  right:0;top:48px;
  width:300px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-hover);
  padding:12px;
  display:none;
}
.search.open .search-panel{display:block}
.search-panel input{
  width:100%;
  height:42px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:var(--r-input);
  background:var(--surface);
  color:var(--text);
  outline:none;
  transition:all .2s var(--ease);
}
.search-panel input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,123,138,.16)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  cursor:pointer;
  place-items:center;
  font-size:16px;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(15,123,138,.35)}

.hot-row{background:var(--surface);border-top:1px solid var(--border)}
.hot-inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:38px;
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
}
.hot-inner::-webkit-scrollbar{display:none}
.hot-label{font-size:12px;color:var(--text-3);flex-shrink:0}
.hot-inner a{
  flex-shrink:0;
  font-size:12.5px;
  color:var(--text-2);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:4px 11px;
  transition:all .2s var(--ease);
}
.hot-inner a:hover{color:var(--brand-dark);border-color:rgba(15,123,138,.35);background:var(--brand-light)}

.channel-bar{background:#fff;border-bottom:1px solid var(--border)}
.channel-inner{
  display:flex;
  align-items:center;
  gap:6px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-inner a{
  position:relative;
  flex-shrink:0;
  padding:8px 15px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  transition:all .2s var(--ease);
}
.channel-inner a:hover{color:var(--brand-dark);background:var(--brand-light)}
.channel-inner a.active{color:var(--brand-dark);font-weight:700}
.channel-inner a.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:-2px;
  height:3px;
  border-radius:3px;
  background:var(--brand);
}

/* ============ PAGE HEAD ============ */
.page-head{
  position:relative;
  padding:46px 0 42px;
  background:#0E2A2F url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(118deg,rgba(10,90,102,.95) 0%,rgba(15,123,138,.86) 52%,rgba(15,123,138,.62) 100%);
}
.page-head .container{position:relative;z-index:2}
.crumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  font-size:13px;
  margin-bottom:16px;
  color:rgba(255,255,255,.72);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.42)}
.crumbs a{color:rgba(255,255,255,.84)}
.crumbs a:hover{color:#fff}
.crumbs .current{color:#fff;font-weight:600}
.page-head h1{
  font-size:38px;
  line-height:1.28;
  font-weight:700;
  max-width:860px;
  margin-bottom:16px;
}
.lede{
  max-width:760px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.head-tags a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
  transition:all .2s var(--ease);
}
.head-tags a:hover{background:rgba(255,255,255,.26);color:#fff;border-color:rgba(255,255,255,.6)}

/* ============ SECTIONS ============ */
.section{padding:64px 0}
.section-tight{padding:56px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:30px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:var(--r-pill);
  padding:5px 13px;
  margin-bottom:14px;
}
.section-head h2{font-size:28px;line-height:1.36;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.8}

/* ============ TIMELINE ============ */
.timeline{margin-top:38px;position:relative}
.tl-item{position:relative;padding-left:66px;padding-bottom:34px}
.tl-item::before{
  content:"";
  position:absolute;
  left:21px;top:48px;bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(15,123,138,.42),rgba(15,123,138,.05));
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;
  left:0;top:0;
  width:44px;height:44px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand-dark);
  display:grid;place-items:center;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(15,60,70,.10);
  z-index:2;
}
.tl-body{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,123,138,.35)}
.tl-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tl-body h3{font-size:20px;line-height:1.4}
.tl-body>p{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:14px}
.tl-points{list-style:none;display:grid;gap:9px}
.tl-points li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.tl-points li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:3px;
  font-size:12px;
  color:var(--positive);
}
.tl-figure{
  margin-top:18px;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--border);
  background:var(--surface);
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.tl-body:hover .tl-figure img{transform:scale(1.03)}
.tl-figure figcaption{font-size:13px;color:var(--text-3);text-align:center;padding:10px 14px}

/* ============ QA LIST ============ */
.qa-block{margin-top:34px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh)}
.qa-item{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:18px;
  padding:24px 0;
  border-bottom:1px solid var(--border);
}
.qa-item:last-child{border-bottom:none}
.qa-num{
  width:44px;height:44px;
  border-radius:var(--r-sm);
  background:var(--brand-light);
  color:var(--brand-dark);
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.qa-main h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.qa-main p{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:12px}
.qa-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:12px;
  font-weight:500;
  line-height:1.4;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
}
.tag.warn{background:#FDF0E4;color:#B45A15}
.tag.ok{background:#E7F6F1;color:#1E7B60}

/* ============ CHECK LIST ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}
.check-item{
  display:flex;
  gap:14px;
  padding:20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,123,138,.35)}
.check-item i{color:var(--positive);font-size:17px;margin-top:3px;flex-shrink:0}
.check-item strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:5px}
.check-item span{display:block;font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:34px auto 0}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(15,123,138,.3)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  line-height:1.6;
}
.faq-q i{color:var(--brand);font-size:15px;flex-shrink:0;transition:transform .24s var(--ease)}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ============ CTA ============ */
.cta-wrap{padding:64px 0 8px}
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand) 100%);
  border-radius:var(--r-lg);
  padding:42px 44px;
  color:#fff;
  display:grid;
  grid-template-columns:1.5fr auto;
  gap:30px;
  align-items:center;
  box-shadow:0 20px 44px rgba(10,90,102,.24);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:240px;height:240px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band h2{font-size:26px;line-height:1.4;margin-bottom:12px;position:relative;z-index:2}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px;position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#14A0B0);
  color:#fff;
  box-shadow:0 10px 22px rgba(15,123,138,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 30px rgba(15,123,138,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#F5A45F);
  color:#fff;
  box-shadow:0 10px 22px rgba(240,138,60,.28);
}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 30px rgba(240,138,60,.34)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-dark);
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-light:hover{background:rgba(255,255,255,.26);color:#fff}
.btn:disabled,.btn.is-disabled{filter:grayscale(60%);cursor:not-allowed;opacity:.75}

/* ============ FOOTER ============ */
.site-footer{background:#0E2A2F;color:rgba(255,255,255,.72);margin-top:72px}
.footer-top{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:34px;
  padding:56px 0 38px;
}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:11px;font-size:14px;line-height:1.6}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{color:rgba(255,255,255,.75);display:inline-flex;align-items:center;gap:7px}
.to-top:hover{color:#fff}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  .container{max-width:960px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand p{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-row{height:56px}
  .site-header.compact .brand-row{height:56px}
  .logo-text{font-size:16px}
  .logo-sub{display:none}
  .nav-toggle{display:grid}
  .search-label{display:none}
  .icon-btn{padding:0 12px}
  .search-panel{width:min(300px,calc(100vw - 32px));right:0}
  .channel-bar{display:none}
  body.nav-open .channel-bar{
    display:block;
    box-shadow:0 16px 28px rgba(15,60,70,.12);
  }
  .channel-inner{
    flex-direction:column;
    align-items:stretch;
    height:auto;
    padding:12px 0;
    gap:4px;
    overflow:visible;
  }
  .channel-inner a{width:100%;padding:13px 14px;font-size:15px}
  .channel-inner a.active{background:var(--brand-light)}
  .channel-inner a.active::after{display:none}
  .page-head{padding:34px 0 32px}
  .page-head h1{font-size:26px;line-height:1.34}
  .lede{font-size:15px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .section-head h2{font-size:22px;line-height:1.4}
  .timeline{margin-top:28px}
  .tl-item{padding-left:54px;padding-bottom:26px}
  .tl-item::before{left:18px}
  .tl-dot{width:38px;height:38px;font-size:14px}
  .tl-body{padding:18px}
  .tl-body h3{font-size:18px}
  .qa-block{padding:4px 18px}
  .qa-item{grid-template-columns:1fr;gap:12px;padding:20px 0}
  .qa-num{width:38px;height:38px;font-size:13px}
  .qa-main h3{font-size:17px}
  .check-grid{grid-template-columns:1fr;gap:12px;margin-top:24px}
  .check-item{padding:18px}
  .faq{margin-top:26px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px}
  .cta-wrap{padding:48px 0 4px}
  .cta-band{padding:28px 22px;gap:22px}
  .cta-band h2{font-size:21px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
  .site-footer{margin-top:48px}
}
@media (max-width:479px){
  .container{padding:0 14px}
  .page-head h1{font-size:25px}
  .section-head h2{font-size:21px}
  .btn{padding:13px 22px;font-size:14.5px}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --primary:#0F7B8A;
  --primary-dark:#0A5A66;
  --primary-light:#E4F3F4;
  --accent:#F08A3C;
  --green:#2FB38C;
  --bg:#F4F7F8;
  --card:#FFFFFF;
  --surface:#EEF4F5;
  --text:#16232A;
  --text-2:#5B6B73;
  --text-3:#93A3AA;
  --border:#E2EAEC;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(15,60,70,.08);
  --shadow-card-hover:0 16px 36px rgba(15,60,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:72px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(15,123,138,.35);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary);color:#fff}
[id]{scroll-margin-top:120px}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:1279px){.container{max-width:960px}}

/* ============ 吸顶导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(15,60,70,.10)}

.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;transition:height .24s var(--ease)}
.site-header.is-stuck .brand-row{height:56px}

.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:15px;box-shadow:0 6px 14px rgba(15,123,138,.28);
}
.logo-text{font-size:19px;font-weight:700;white-space:nowrap}
.logo-sub{
  font-size:12px;font-weight:500;line-height:1.4;color:var(--primary);
  background:var(--primary-light);border-radius:var(--radius-pill);padding:3px 10px;
  white-space:nowrap;
}

.header-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn,.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 16px;border:1px solid var(--border);border-radius:var(--radius-pill);
  background:#fff;color:var(--text-2);font-size:14px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover,.nav-toggle:hover{border-color:rgba(15,123,138,.35);color:var(--primary);background:var(--primary-light)}
.icon-btn:active,.nav-toggle:active{transform:translateY(1px)}
.nav-toggle{display:none;width:38px;padding:0}

.search{position:relative}
.search-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:320px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px;box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.search.is-open .search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.search-panel input{
  width:100%;height:42px;padding:0 14px;
  border:1px solid var(--border);border-radius:12px;
  background:var(--surface);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.search-panel input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,123,138,.18)}

.hot-row{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.hot-inner{display:flex;align-items:center;gap:8px;height:44px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.hot-inner::-webkit-scrollbar{display:none}
.hot-label{flex:0 0 auto;font-size:13px;color:var(--text-3)}
.hot-inner a{
  flex:0 0 auto;font-size:13px;color:var(--text-2);
  padding:4px 12px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--border);
  transition:all .22s var(--ease);
}
.hot-inner a:hover{color:var(--primary);border-color:rgba(15,123,138,.35);background:var(--primary-light)}

.channel-bar{background:#fff;border-bottom:1px solid var(--border)}
.channel-inner{display:flex;align-items:center;gap:4px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-inner a{
  position:relative;flex:0 0 auto;
  padding:12px 14px;font-size:15px;font-weight:500;color:var(--text-2);
  border-bottom:3px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.channel-inner a:hover{color:var(--primary)}
.channel-inner a.active{color:var(--primary);font-weight:700;border-bottom-color:var(--primary)}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 56px;
  background:
    linear-gradient(135deg,rgba(10,90,102,.94),rgba(15,123,138,.84)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,60,.34),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:rgba(255,255,255,.42)}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:rgba(255,255,255,.6)}
.crumbs .current{color:#fff;font-weight:600}

.hero-title{font-size:38px;line-height:1.32;font-weight:700;max-width:780px}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.87);max-width:700px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(4px);
}
.hero-badge b{font-size:22px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.84)}

/* ============ 通用板块 ============ */
.section{padding:var(--section-y) 0}
.section--tight{padding-top:0}
.section--surface{background:var(--surface)}

.section-head{max-width:740px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;color:var(--primary);background:var(--primary-light);
}
.section-head h2{font-size:28px;line-height:1.38;font-weight:700}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 10px 22px rgba(15,123,138,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 28px rgba(15,123,138,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,123,138,.26)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 10px 22px rgba(6,40,46,.20)}
.btn-light:hover{color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(6,40,46,.26)}
.btn-light:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-outline-light:active{transform:translateY(1px)}
.btn:disabled,.btn.is-disabled{filter:grayscale(.6);cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.v-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(15,123,138,.35)}
.v-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.v-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.v-card:hover .v-card__media img{transform:scale(1.03)}
.v-card__tag{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;line-height:1.4;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:500;color:var(--primary-dark);
  background:rgba(255,255,255,.95);box-shadow:0 4px 10px rgba(15,60,70,.14);
}
.v-card__tag--accent{color:#fff;background:linear-gradient(135deg,var(--accent),#d9722a)}
.v-card__body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px}
.v-card__body h3{font-size:20px;line-height:1.42;font-weight:600}
.v-card__list li{position:relative;padding-left:20px;margin-bottom:6px;font-size:14px;line-height:1.72;color:var(--text-2)}
.v-card__list li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--green)}
.card-foot{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  padding-top:14px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--text-3);transition:color .22s var(--ease);
}
.v-card:hover .card-foot{color:var(--primary)}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  position:relative;padding:28px 24px 26px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(15,123,138,.35)}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;margin-bottom:16px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(15,123,138,.24);
}
.step h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step p{font-size:15px;color:var(--text-2)}
.step__note{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--primary);background:var(--primary-light);border-radius:var(--radius-pill);padding:4px 12px}

/* ============ 误判提醒 ============ */
.pitfall{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center}
.pitfall__visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--border)}
.pitfall__visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.pitfall__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.pitfall__item{
  display:flex;gap:10px;padding:14px 16px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;line-height:1.7;color:var(--text-2);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.pitfall__item:hover{border-color:rgba(15,123,138,.35);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.pitfall__item i{flex:0 0 auto;margin-top:6px;font-size:12px;color:var(--accent)}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;overflow:hidden;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}
.faq-item + .faq-item{border-top:1px solid var(--border)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:background .22s var(--ease);
}
.faq-q:hover{background:var(--primary-light)}
.faq-q i{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;font-size:12px;
  background:var(--primary-light);color:var(--primary);
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.faq-item.is-open .faq-q i{background:var(--primary);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;padding:48px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;box-shadow:0 18px 40px rgba(10,90,102,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:rgba(240,138,60,.26);pointer-events:none;
}
.cta-band__inner{position:relative;z-index:2;max-width:680px}
.cta-band h2{font-size:28px;line-height:1.38;font-weight:700}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ============ 页脚 ============ */
.site-footer{background:#0E2A2F;color:rgba(255,255,255,.72);margin-top:72px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-top:56px;padding-bottom:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{margin-top:16px;max-width:340px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h4{margin-bottom:16px;font-size:15px;font-weight:600;color:#fff}
.footer-col li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.5)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:20px;padding-bottom:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.56);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.72)}
.to-top:hover{color:#fff}

/* ============ 返回顶部悬浮 ============ */
.back-to-top{
  position:fixed;right:24px;bottom:28px;z-index:110;
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;
  background:#fff;color:var(--primary);border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,box-shadow .24s var(--ease);
}
.back-to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{box-shadow:var(--shadow-card-hover);color:var(--primary-dark);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .pitfall{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .hero-title{font-size:32px}
}

@media (max-width:767px){
  :root{--section-y:48px}
  .container{padding:0 16px}
  .logo-text{font-size:17px}
  .logo-sub{display:none}
  .search-label{display:none}
  .icon-btn{width:38px;padding:0}
  .nav-toggle{display:inline-flex}
  .header-tools{gap:6px}

  .channel-bar{display:none}
  .site-header.nav-open .channel-bar{display:block}
  .site-header.nav-open .channel-inner{
    flex-direction:column;align-items:stretch;gap:0;padding:6px 0;overflow:visible;white-space:normal;
  }
  .site-header.nav-open .channel-inner a{
    padding:13px 0 13px 0;border-bottom:1px solid var(--border);border-left:3px solid transparent;
  }
  .site-header.nav-open .channel-inner a.active{border-bottom-color:var(--border);border-left-color:var(--primary);padding-left:12px}

  .hot-inner{height:42px}
  .search-panel{width:min(88vw,320px)}

  .page-hero{padding:34px 0 40px}
  .hero-title{font-size:26px;line-height:1.36}
  .hero-lead{font-size:15px;line-height:1.78}
  .hero-badge b{font-size:19px}
  .section-head h2{font-size:22px;line-height:1.42}
  .cta-band{padding:30px 22px;border-radius:var(--radius-md)}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;padding-top:40px;padding-bottom:28px}
  .back-to-top{right:16px;bottom:18px;width:42px;height:42px}
}

@media (max-width:520px){
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .pitfall__list{grid-template-columns:minmax(0,1fr)}
  .v-card__body{padding:18px}
  .step{padding:22px 18px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}

@media (max-width:479px){
  .container{padding:0 14px}
  body{font-size:15px}
  .hero-title{font-size:24px}
  .hero-badges{gap:8px}
  .hero-badge{padding:7px 14px}
}