/* roulang page: index */
:root{
  --bs-primary:#0E6A7F;
  --bs-body-color:#16242C;
  --bs-border-color:#E3EAED;
  --bs-link-color:#0E6A7F;
  --bs-link-hover-color:#0A5061;
  --brand:#0E6A7F;
  --brand-dark:#0A5061;
  --brand-soft:#E6F1F4;
  --accent:#FF7A29;
  --accent-hover:#E9660F;
  --teal:#2BB3A3;
  --page:#F6F9FA;
  --card:#FFFFFF;
  --line:#E3EAED;
  --text:#16242C;
  --text-2:#5C6E77;
  --text-3:#93A2A9;
  --dark:#0B2A33;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(11,42,51,.06);
  --shadow-hover:0 14px 36px rgba(11,42,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media(max-width:1399px){.container{max-width:1200px;}}
@media(min-width:1400px){.container{max-width:1280px;}}
@media(max-width:991px){.container{padding:0 24px;}}
@media(max-width:575px){.container{padding:0 16px;}}

/* ---------- 按钮体系 ---------- */
.btn-main,
.btn-outline-brand,
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  border:1px solid transparent;
}
.btn-main{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-main:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-outline-brand{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.72);}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px);}
.btn-main:disabled,.btn-outline-brand:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,42,51,.08);border-bottom:1px solid var(--line);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.6px;}
.search-wrap{position:relative;margin-left:auto;display:flex;align-items:center;}
.search-input{
  width:0;opacity:0;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0;background:#fff;color:var(--text);font-size:14px;
  transition:width var(--t) var(--ease),opacity var(--t) var(--ease),padding var(--t) var(--ease);
}
.search-wrap.open .search-input{width:220px;opacity:1;padding:0 14px;margin-right:8px;}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,106,127,.12);}
.search-toggle{
  height:42px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--text-2);font-size:14px;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;transition:all var(--t) var(--ease);
}
.search-toggle:hover{border-color:var(--brand);color:var(--brand);}
.header-hours{font-size:13px;color:var(--text-3);white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.channel-bar{background:#fff;border-bottom:1px solid var(--line);}
.channel-list{
  display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  padding:16px 14px;font-size:15px;color:var(--text-2);font-weight:500;
  transition:color var(--t) var(--ease);min-height:44px;display:inline-flex;align-items:center;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transition:transform var(--t) var(--ease);
}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{color:var(--brand);font-weight:600;}
.channel-link.is-active::after{transform:scaleX(1);}

.mobile-drawer{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  padding:8px 0 16px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;
  font-size:16px;color:var(--text);border-bottom:1px solid var(--page);
}
.mobile-drawer a.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.mobile-drawer a:last-child{border-bottom:none;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-dark);}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,80,97,.96) 0%,rgba(10,80,97,.78) 46%,rgba(11,42,51,.42) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;min-height:600px;padding-top:64px;padding-bottom:64px;
}
.hero-copy{color:#fff;max-width:600px;}
.badge-hero{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:20px;
}
.hero-title{color:#fff;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:0;color:rgba(255,255,255,.82);font-size:14px;}
.trust-row li{display:flex;align-items:center;}
.trust-row li+li::before{content:"";width:1px;height:12px;background:rgba(255,255,255,.4);margin:0 14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;border-radius:var(--radius-card);
  box-shadow:0 20px 50px rgba(4,24,30,.42);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);pointer-events:none;
}

/* ---------- 板块通用 ---------- */
.section{padding:92px 0;}
.section-alt{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{margin-top:10px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:1.4px;text-transform:uppercase;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
}
.text-link span{transition:transform var(--t) var(--ease);}
.text-link:hover span{transform:translateX(4px);}

/* ---------- 卖点编号带 ---------- */
.feature-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.feature-item{
  padding:40px 32px;border-right:1px solid var(--line);
  transition:background-color var(--t) var(--ease);
}
.feature-item:last-child{border-right:none;}
.feature-item:hover{background:#fff;}
.feature-num{
  font-size:40px;font-weight:700;color:var(--brand-soft);
  -webkit-text-stroke:1px var(--brand);
  line-height:1;margin-bottom:16px;display:block;
  font-family:Inter,-apple-system,"PingFang SC",sans-serif;
}
.feature-item h3{margin-bottom:10px;}
.feature-item p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- 场景演示 ---------- */
.zigzag{display:flex;flex-direction:column;gap:88px;}
.zz-item{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zz-item.reverse .zz-media{order:2;}
.zz-media img{width:100%;aspect-ratio:16/10;box-shadow:inset 0 0 0 1px rgba(11,42,51,.06),var(--shadow-card);}
.zz-tag{
  display:inline-block;padding:5px 12px;border-radius:6px;background:var(--brand-soft);
  color:var(--brand);font-size:12px;font-weight:600;margin-bottom:16px;
}
.zz-body h3{margin-bottom:16px;font-size:clamp(20px,2.4vw,26px);}
.bullet-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px;}
.bullet-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2);}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--teal);
}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--dark);border-radius:var(--radius-card);padding:48px 40px;color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{text-align:center;border-right:1px solid rgba(255,255,255,.14);}
.stat-item:last-child{border-right:none;}
.stat-num{
  display:block;font-size:34px;font-weight:600;color:#fff;line-height:1.2;
  font-family:Inter,-apple-system,"PingFang SC",sans-serif;
}
.stat-label{display:block;font-size:14px;color:rgba(255,255,255,.68);margin-top:8px;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.card-base{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
  overflow:hidden;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.lead-card .lead-cover img{width:100%;aspect-ratio:16/9;border-radius:0;}
.lead-body{padding:24px 26px 26px;}
.badge-soft{
  display:inline-block;padding:3px 10px;border-radius:6px;background:var(--brand-soft);
  color:var(--brand);font-size:12px;font-weight:600;
}
.card-title-2{
  font-size:19px;line-height:1.5;font-weight:600;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:57px;
}
.card-title-2 a{color:var(--text);}
.card-title-2 a:hover{color:var(--brand);}
.card-excerpt{
  font-size:15px;color:var(--text-2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.row-list{display:flex;flex-direction:column;gap:18px;}
.row-card{display:flex;gap:18px;padding:18px;align-items:flex-start;}
.row-thumb{flex:0 0 108px;}
.row-thumb img{width:108px;height:78px;aspect-ratio:auto;}
.row-body{flex:1;min-width:0;}
.row-body .card-title-2{font-size:16px;margin:0 0 8px;min-height:44px;-webkit-line-clamp:2;}
.row-body .card-excerpt{font-size:14px;margin-bottom:8px;}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px;font-weight:700;
}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ---------- 证言与伙伴 ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.testimonial-card{padding:28px;display:flex;flex-direction:column;gap:16px;}
.testimonial-card p{font-size:15px;color:var(--text-2);margin:0;}
.testimonial-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;
}
.testimonial-user strong{display:block;font-size:14px;font-weight:600;}
.testimonial-user em{font-style:normal;font-size:12px;color:var(--text-3);}
.partner-row{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line);
}
.partner-row span{
  flex:0 0 auto;padding:10px 18px;border:1px solid var(--line);border-radius:999px;
  color:var(--text-3);font-size:13px;background:#fff;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:none;padding:18px 4px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;position:relative;width:18px;height:18px;
  transition:transform var(--t) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);background:var(--page);border-radius:0 0 12px 12px;}
.faq-a-inner{padding:18px 20px;font-size:15px;color:var(--text-2);}
.faq-item.open .faq-a{max-height:340px;}
.faq-actions{margin-top:40px;}

/* ---------- 底部 CTA ---------- */
.cta-dark{
  background:var(--dark);color:#fff;border-radius:var(--radius-card);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.cta-dark h2{color:#fff;margin-bottom:16px;}
.cta-dark p{color:rgba(255,255,255,.78);font-size:15px;}
.contact-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.86);margin-bottom:8px;font-weight:500;}
.req{color:var(--accent);margin-left:4px;}
.field input,.field select{
  width:100%;height:46px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.22);
  background:#fff;color:var(--text);font-size:14px;padding:0 14px;font-family:inherit;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,179,163,.22);}
.field-error{display:none;font-size:13px;color:#FFB48A;margin-top:6px;}
.field.invalid .field-error{display:block;}
.form-note{font-size:13px;color:rgba(255,255,255,.62);margin-top:14px;}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(43,179,163,.18);border:1px solid rgba(43,179,163,.5);color:#DFF6F2;font-size:14px;
}
.form-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:92px;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;margin:18px 0 20px;line-height:1.7;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);
  font-size:13px;transition:all var(--t) var(--ease);
}
.social-row a:hover{background:#fff;color:var(--brand-dark);border-color:#fff;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-form input{
  width:100%;height:46px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;font-size:14px;padding:0 14px;font-family:inherit;margin-bottom:12px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(43,179,163,.18);}
.footer-form .btn-main{width:100%;}
.footer-bottom{
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端固定条 ---------- */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--dark);color:#fff;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 20px rgba(11,42,51,.28);
}
.mobile-cta-bar span{font-size:14px;font-weight:500;}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .section{padding:72px 0;}
  .hero-inner{grid-template-columns:1fr;gap:40px;min-height:auto;}
  .hero-visual img{aspect-ratio:16/9;}
  .news-grid{grid-template-columns:1fr;}
  .testimonial-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:991px){
  .section{padding:64px 0;}
  .header-hours{display:none;}
  .menu-toggle{display:inline-flex;}
  .channel-bar{display:none;}
  .feature-strip{grid-template-columns:1fr;}
  .feature-item{border-right:none;border-bottom:1px solid var(--line);padding:28px 24px;}
  .feature-item:last-child{border-bottom:none;}
  .zz-item{grid-template-columns:1fr;gap:28px;}
  .zz-item.reverse .zz-media{order:0;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:24px;}
  .cta-dark{grid-template-columns:1fr;gap:32px;padding:40px 28px;}
  .mobile-cta-bar{display:flex;}
  body{padding-bottom:68px;}
  .site-footer{margin-top:64px;}
}
@media(max-width:767px){
  .brand-text em{display:none;}
  .search-wrap{display:none;}
  .hero-inner{padding-top:44px;padding-bottom:44px;}
  .hero-sub{font-size:16px;}
  .testimonial-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .stats-band{padding:36px 22px;}
  .row-card{padding:14px;gap:14px;}
  .row-thumb{flex:0 0 92px;}
  .row-thumb img{width:92px;height:68px;}
  .faq-actions .btn-main{width:100%;}
}
@media(max-width:575px){
  .section{padding:48px 0;}
  .brand-text strong{font-size:15px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .feature-num{font-size:32px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:20px;}
  .stat-item:last-child{border-bottom:none;padding-bottom:0;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-dark{padding:32px 20px;}
}

/* roulang page: article */
:root{
  --main:#0E6A7F;
  --main-dark:#0A5061;
  --main-soft:#E6F1F4;
  --accent:#FF7A29;
  --accent-hover:#E9660F;
  --cyan:#2BB3A3;
  --bg:#F6F9FA;
  --card:#FFFFFF;
  --line:#E3EAED;
  --text:#16242C;
  --text-2:#5C6E77;
  --text-3:#93A2A9;
  --deep:#0B2A33;
  --deep-2:#123C48;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(11,42,51,.06);
  --shadow-hover:0 14px 36px rgba(11,42,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0E6A7F;
  --bs-primary-rgb:14,106,127;
  --bs-body-color:#16242C;
  --bs-body-bg:#F6F9FA;
  --bs-border-color:#E3EAED;
  --bs-link-color:#0E6A7F;
  --bs-link-color-rgb:14,106,127;
  --bs-link-hover-color:#0A5061;
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--main);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--main-dark);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.005em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:1024px){.container{padding-left:24px;padding-right:24px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:120;
  background:var(--main);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#fff;}

/* ============ 按钮 ============ */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-main{background:var(--accent);border:1px solid var(--accent);color:#fff;}
.btn-main:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,41,.28);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-main:focus-visible{outline:2px solid var(--main);outline-offset:2px;}
.btn-main[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

.btn-line{background:transparent;border:1px solid var(--main);color:var(--main);}
.btn-line:hover{background:var(--main-soft);color:var(--main-dark);border-color:var(--main-dark);transform:translateY(-2px);}
.btn-line:active{transform:translateY(0);}
.btn-line:focus-visible{outline:2px solid var(--main);outline-offset:2px;}

.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.65);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--deep);border-color:#fff;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid #fff;outline-offset:2px;}

.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--main);
}
.link-more span{transition:transform .22s var(--ease);display:inline-block;}
.link-more:hover span{transform:translateX(4px);}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(11,42,51,.07);}
.header-top-inner{
  display:flex;align-items:center;gap:24px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--main),var(--main-dark));
  color:#fff;font-size:19px;font-weight:700;
  box-shadow:0 6px 16px rgba(14,106,127,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.08em;}

.header-search{
  flex:1;max-width:360px;display:flex;align-items:center;gap:8px;
  height:42px;padding:0 8px 0 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.header-search:focus-within{border-color:var(--main);background:#fff;box-shadow:0 0 0 3px rgba(14,106,127,.10);}
.header-search input{
  flex:1;border:0;background:transparent;outline:none;height:100%;
  font-size:14px;color:var(--text);
}
.header-search input::placeholder{color:var(--text-3);}
.header-search button{
  height:32px;padding:0 14px;border:0;border-radius:999px;
  background:var(--main-soft);color:var(--main);font-size:13px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.header-search button:hover{background:var(--main);color:#fff;}

.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.header-note{
  font-size:13px;color:var(--text-2);white-space:nowrap;
  padding-left:14px;border-left:1px solid var(--line);
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;padding:0;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--main);border-radius:2px;
  transform:translateX(-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle:focus-visible{outline:2px solid var(--main);outline-offset:2px;}

.channel-bar{background:#fff;border-top:1px solid var(--line);}
.channel-list{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--text-2);font-weight:500;
  transition:color .22s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--main);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.channel-link:hover{color:var(--main);}
.channel-link.is-active{color:var(--main);font-weight:600;}
.channel-link.is-active::after{transform:scaleX(1);}

.mobile-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:12px 16px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 4px;
  font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a.is-active{color:var(--main);font-weight:600;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:#fff;border-bottom:1px solid var(--line);
  padding:14px 0;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--main);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--main);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{padding:44px 0 8px;}
.article-head-inner{max-width:960px;}
.article-cate{
  display:inline-block;padding:5px 12px;border-radius:6px;
  background:var(--main-soft);color:var(--main);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-title{
  margin-top:18px;
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.28;
  font-weight:700;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta .source{color:var(--text-2);}
.article-meta .tag-soft{
  padding:3px 10px;border-radius:999px;background:var(--bg);
  border:1px solid var(--line);color:var(--text-2);font-size:12px;
}

/* ============ 文章布局 ============ */
.article-wrap{padding:32px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:56px;
  align-items:start;
}
.article-layout.no-toc{grid-template-columns:minmax(0,1fr);}
.article-main{min-width:0;}

.article-body{
  max-width:820px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:40px 44px 44px;
  box-shadow:var(--shadow-card);
}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 1em;}
.article-body h2{
  position:relative;
  padding-left:16px;
  margin:40px 0 16px;
  font-size:clamp(20px,2.3vw,25px);
  line-height:1.4;
  font-weight:700;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  background:var(--main);border-radius:2px;
}
.article-body h3{
  margin:28px 0 12px;
  font-size:19px;
  line-height:1.45;
  font-weight:600;
}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;}
.article-body a{color:var(--main);text-decoration:underline;text-decoration-color:rgba(14,106,127,.35);text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-hover);text-decoration-color:rgba(233,102,15,.5);}
.article-body img{
  border-radius:var(--radius-img);
  margin:26px auto;
  box-shadow:0 6px 18px rgba(11,42,51,.08);
}
.article-body figure{margin:26px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--text-3);text-align:center;line-height:1.6;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--bg);
  border-left:3px solid var(--accent);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--main);}
.article-body ol li::marker{color:var(--main);font-weight:600;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{background:var(--main-soft);color:var(--main-dark);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--bg);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14.5px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 正文尾部 */
.article-foot{
  max-width:820px;
  margin-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:18px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.article-foot .foot-label{font-size:13.5px;color:var(--text-3);}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.chip:hover{border-color:var(--main);color:var(--main);background:var(--main-soft);}

.article-actions{
  max-width:820px;margin-top:24px;
  display:flex;flex-wrap:wrap;gap:14px;
}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 20px;
}
.empty-dot{
  display:block;width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  background:var(--main-soft);
  position:relative;
}
.empty-dot::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--main);transform:translate(-50%,-50%);box-shadow:0 -10px 0 -1px var(--main),0 10px 0 -1px var(--main);
}
.empty-title{font-size:20px;margin-bottom:8px;}
.empty-text{font-size:14.5px;color:var(--text-2);margin-bottom:22px;}

/* 目录 */
.article-toc{position:sticky;top:96px;}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow-card);
}
.toc-title{
  font-size:14px;font-weight:700;color:var(--text);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list li{margin-bottom:4px;}
.toc-link{
  display:block;
  padding:7px 10px;
  border-left:2px solid var(--line);
  font-size:13.5px;line-height:1.5;color:var(--text-2);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.toc-link:hover{color:var(--main);border-left-color:var(--main-soft);background:var(--bg);}
.toc-link.is-active{color:var(--main);font-weight:600;border-left-color:var(--main);background:var(--main-soft);}

/* ============ 相关推荐 ============ */
.related-section{margin-top:64px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.section-head h2{font-size:clamp(20px,2.4vw,26px);line-height:1.3;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.rec-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5e0e4;}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--main),var(--main-dark));}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body{padding:18px 20px 22px;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:6px;
  background:var(--main-soft);color:var(--main);
  font-size:12px;font-weight:600;margin-bottom:10px;
}
.rec-body h3{
  font-size:16.5px;line-height:1.45;min-height:48px;
  color:var(--text);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.rec-card:hover .rec-body h3{color:var(--main);}
.rec-body p{
  margin-top:8px;font-size:14px;line-height:1.65;color:var(--text-2);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;
}

/* ============ 底部 CTA ============ */
.cta-section{
  margin-top:88px;
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-2) 100%);
  padding:72px 0;
}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.75;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points li{
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.88);font-size:13px;
}
.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  padding:26px 24px 24px;
}
.cta-form label{
  display:block;font-size:13.5px;color:rgba(255,255,255,.85);margin-bottom:8px;
}
.cta-form label .req{color:var(--accent);}
.cta-form input{
  width:100%;height:46px;padding:0 16px;margin-bottom:14px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.22);
  background:#fff;color:var(--text);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,41,.22);}
.cta-form .btn-main{width:100%;}
.form-hint{margin-top:10px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);color:rgba(255,255,255,.72);
  padding:64px 0 0;font-size:14px;line-height:1.7;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--main),var(--cyan));}
.footer-brand p{max-width:280px;color:rgba(255,255,255,.62);font-size:13.5px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.78);font-size:13px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.social-row a:hover{background:#fff;color:var(--deep);border-color:#fff;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(255,255,255,.68);font-size:13.5px;}
.footer-col ul li a:hover{color:#fff;}
.footer-form input{
  width:100%;height:44px;padding:0 14px;margin-bottom:12px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;outline:none;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--cyan);background:rgba(255,255,255,.14);}
.footer-form .btn-main{width:100%;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-toc{display:none;}
  .article-body{max-width:820px;}
}
@media (max-width:991px){
  .header-search{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:36px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-section{padding:56px 0;}
}
@media (max-width:767px){
  .nav-toggle{display:block;}
  .header-actions .btn-main{display:none;}
  .header-note{display:none;}
  .channel-bar{display:none;}
  .article-head{padding:32px 0 4px;}
  .article-body{padding:26px 20px 30px;font-size:16px;}
  .article-wrap{padding:24px 0 64px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .article-meta{gap:8px;}
  .related-section{margin-top:48px;}
  .cta-section{margin-top:64px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:575px){
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:11px;}
  .article-title{font-size:24px;}
  .article-body h2{font-size:19px;}
  .article-body h3{font-size:17px;}
  .btn-main,.btn-line{height:44px;padding:0 20px;font-size:14px;}
  .article-actions{flex-direction:column;}
  .article-actions .btn-line{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand:#0E6A7F;
  --brand-dark:#0A5061;
  --brand-soft:#E6F1F4;
  --accent:#FF7A29;
  --accent-hover:#E9660F;
  --teal:#2BB3A3;
  --bg:#F6F9FA;
  --card:#FFFFFF;
  --line:#E3EAED;
  --text:#16242C;
  --text-2:#5C6E77;
  --text-3:#93A2A9;
  --deep:#0B2A33;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 8px 24px rgba(11,42,51,.06);
  --shadow-2:0 14px 36px rgba(11,42,51,.14);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0E6A7F;
  --bs-body-color:#16242C;
  --bs-border-color:#E3EAED;
  --bs-link-color:#0E6A7F;
  --bs-link-hover-color:#0A5061;
  --bs-body-bg:#F6F9FA;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:992px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 按钮体系 ---------- */
.btn-main,
.btn-outline,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,41,.24);}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,41,.30);}
.btn-main:active{transform:translateY(0);background:var(--accent-hover);}
.btn-main:disabled,.btn-main.disabled{background:#D8E0E3;color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);background:var(--brand-soft);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:#fff;color:var(--deep);border-color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow var(--ease),border-color var(--ease);border-bottom:1px solid transparent;}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(11,42,51,.07);}
.topbar-inner{
  display:flex;align-items:center;gap:16px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:2px;}
.topbar-search{display:flex;align-items:center;flex:1 1 auto;justify-content:center;min-width:0;}
.search-form{
  display:none;align-items:center;gap:8px;
  width:100%;max-width:340px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:4px 6px 4px 16px;
}
.search-form.is-open{display:flex;}
.search-form input{
  flex:1 1 auto;border:0;background:transparent;
  height:36px;font-size:14px;color:var(--text);outline:none;min-width:0;
}
.search-form input::placeholder{color:var(--text-3);}
.search-form button{
  border:0;background:var(--brand);color:#fff;
  height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;cursor:pointer;
  transition:background var(--ease);
}
.search-form button:hover{background:var(--brand-dark);}
.search-toggle{
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  height:40px;padding:0 16px;border-radius:999px;
  font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.search-toggle:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.topbar-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.topbar-note{font-size:13px;color:var(--text-2);display:none;}
@media (min-width:1100px){.topbar-note{display:inline-block;}}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
@media (min-width:992px){.nav-toggle{display:none;}}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.channel-list{
  display:flex;align-items:stretch;gap:6px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:50px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--text-2);
  white-space:nowrap;scroll-snap-align:start;
  transition:color var(--ease),background var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transition:transform var(--ease);
}
.channel-link:hover{color:var(--brand);background:rgba(14,106,127,.05);}
.channel-link.is-active{color:var(--brand);}
.channel-link.is-active::after{transform:scaleX(1);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,340px);
  background:#fff;z-index:80;
  transform:translateX(100%);
  transition:transform var(--ease);
  box-shadow:-12px 0 40px rgba(11,42,51,.16);
  padding:20px 20px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{font-size:16px;color:var(--text);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;font-size:16px;
  transition:background var(--ease),color var(--ease);
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;
  padding:0 16px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-2);
  background:var(--bg);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand);color:#fff;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,51,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}

/* ---------- 页头 ---------- */
.page-head{position:relative;overflow:hidden;background:var(--brand-dark);isolation:isolate;}
.page-head-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(11,42,51,.92) 0%,rgba(11,42,51,.74) 46%,rgba(11,42,51,.44) 100%);
}
.page-head-inner{padding:56px 0 52px;max-width:760px;}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.breadcrumb-line a{color:rgba(255,255,255,.82);}
.breadcrumb-line a:hover{color:#fff;}
.sect-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(43,179,163,.22);color:#9FE6DC;
  font-size:12px;font-weight:600;letter-spacing:1px;
  margin-bottom:14px;
}
.page-head h1{color:#fff;margin-bottom:14px;}
.page-head-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.7;margin:0;max-width:640px;}

/* ---------- 主体两栏 ---------- */
.cat-section{padding:64px 0 72px;}
@media (min-width:992px){.cat-section{padding:88px 0 96px;}}
.cat-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:992px){
  .cat-layout{grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
}
.cat-side{position:static;}
@media (min-width:992px){.cat-side{position:sticky;top:96px;}}
.cat-side-title{
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--text-3);text-transform:uppercase;margin-bottom:14px;
}
.cat-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.cat-nav::-webkit-scrollbar{display:none;}
@media (min-width:992px){.cat-nav{flex-direction:column;overflow:visible;gap:6px;}}
.cat-nav-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:48px;padding:0 18px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--text-2);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.cat-nav-link i{font-size:12px;opacity:.6;}
.cat-nav-link:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateX(2px);}
.cat-nav-link.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.cat-nav-link.is-active:hover{background:var(--brand-dark);color:#fff;transform:none;}
.side-card{
  margin-top:24px;padding:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.side-card h4{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h4 i{color:var(--teal);}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-2);padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list strong{font-weight:600;color:var(--text);}
.dot-ok{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;}
.dot-ok::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);}

/* ---------- 内容区 ---------- */
.cat-intro{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  color:var(--text-2);font-size:15.5px;line-height:1.8;
  margin-bottom:28px;
}
.cat-intro strong{color:var(--brand);font-weight:600;}

.grid-cards{margin:0;}
.card-item{
  height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDDE2;}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card-item:hover .card-thumb img{transform:scale(1.04);}
.card-tag{
  position:absolute;left:12px;top:12px;
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:6px;
  background:rgba(230,241,244,.94);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.5px;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:17px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:49px;
}
.card-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card-meta{font-size:12px;color:var(--text-3);}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:40px;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--text-2);font-size:14px;font-weight:600;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;}
.pager .is-current:hover{transform:none;background:var(--brand);color:#fff;}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 72px;}
@media (min-width:992px){.faq-section{padding:0 0 96px;}}
.faq-head{margin-bottom:28px;max-width:760px;}
.faq-head .sect-badge{background:var(--brand-soft);color:var(--brand);}
.faq-head h2{margin-bottom:10px;}
.faq-head p{color:var(--text-2);font-size:15px;margin:0;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:#fff;}
.faq-q{
  width:100%;min-height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 18px;
  background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
  transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--brand);background:var(--bg);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:14px;transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--ease);
  background:var(--bg);
  border-top:1px solid transparent;
}
.faq-item.is-open .faq-a{border-top-color:var(--line);}
.faq-a p{padding:16px 18px 20px;color:var(--text-2);font-size:15px;line-height:1.8;margin:0;max-width:820px;}
.faq-a a{font-weight:600;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 80px;}
@media (min-width:992px){.cta-section{padding:0 0 96px;}}
.cta-box{
  position:relative;overflow:hidden;
  background:var(--deep);border-radius:20px;
  padding:44px 28px;
  display:flex;flex-direction:column;gap:24px;
}
@media (min-width:992px){
  .cta-box{padding:56px 56px;flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}
}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,179,163,.28) 0%,rgba(43,179,163,0) 68%);
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.76);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:60px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.8;margin:18px 0 0;max-width:280px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  height:34px;padding:0 14px;border-radius:999px;
  display:inline-flex;align-items:center;
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.82);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.social-row a:hover{background:#fff;color:var(--deep);border-color:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--ease);}
.footer-col ul li a:hover{color:#fff;}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.footer-form input{
  height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:none;
  transition:border-color var(--ease),background var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--teal);background:rgba(255,255,255,.1);}
.footer-form .btn-main{width:100%;}
.footer-bottom{
  display:flex;flex-direction:column;gap:8px;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

/* ---------- 底部固定转化条 ---------- */
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:60px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:var(--deep);color:#fff;
  box-shadow:0 -8px 24px rgba(11,42,51,.2);
}
.mobile-cta-bar span{font-size:14px;font-weight:600;}
.mobile-cta-bar .btn-main{height:42px;padding:0 18px;font-size:14px;}
@media (min-width:992px){.mobile-cta-bar{display:none;}}
@media (max-width:991.98px){body{padding-bottom:64px;}}

/* ---------- 平板错位小节奏（内容区视觉） ---------- */
@media (min-width:768px) and (max-width:991.98px){
  .grid-cards > div:nth-child(2){margin-top:14px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E6A7F;
  --brand-dark:#0A5061;
  --brand-soft:#E6F1F4;
  --accent:#FF7A29;
  --accent-hover:#E9660F;
  --teal:#2BB3A3;
  --bg:#F6F9FA;
  --card:#FFFFFF;
  --line:#E3EAED;
  --ink:#16242C;
  --ink-2:#5C6E77;
  --ink-3:#93A2A9;
  --deep:#0B2A33;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 8px 24px rgba(11,42,51,.06);
  --sh-2:0 14px 36px rgba(11,42,51,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0E6A7F;
  --bs-body-color:#16242C;
  --bs-border-color:#E3EAED;
  --bs-link-color:#0E6A7F;
  --bs-link-hover-color:#0A5061;
  --bs-body-bg:#F6F9FA;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-feature-settings:"tnum" 1;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color 220ms var(--ease),background-color 220ms var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:768px){.container{padding:0 24px;}}
@media (max-width:520px){.container{padding:0 16px;}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,41,.22);}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.btn-ghost:hover{background:#fff;color:var(--deep);border-color:#fff;}
.btn-main[disabled],.btn-line[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(11,42,51,.06);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-bar .container{display:flex;align-items:center;gap:24px;min-height:70px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:19px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:.08em;}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:18px;}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:0 8px 0 16px;height:42px;transition:border-color 220ms var(--ease),background-color 220ms var(--ease);}
.search-box:focus-within{border-color:var(--brand);background:#fff;}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;width:170px;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-3);}
.search-box button{
  border:0;background:var(--brand-soft);color:var(--brand);border-radius:999px;
  height:30px;padding:0 14px;font-size:13px;font-weight:600;cursor:pointer;
  transition:background-color 220ms var(--ease),color 220ms var(--ease);
}
.search-box button:hover{background:var(--brand);color:#fff;}
.header-note{font-size:13px;color:var(--ink-2);white-space:nowrap;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.channel-bar .container{display:flex;align-items:center;min-height:52px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--ink-2);position:relative;font-weight:500;
  transition:color 220ms var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:transparent;border-radius:2px;
  transition:background-color 220ms var(--ease);
}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{background:var(--brand);}

.mobile-drawer{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  padding:8px 0 16px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 32px;
  font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--brand);font-weight:700;background:var(--brand-soft);}

@media (max-width:991.98px){
  .search-box{display:none;}
  .header-note{display:none;}
}
@media (max-width:767.98px){
  .channel-bar{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:16px;}
}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(90deg,rgba(10,80,97,.92) 0%,rgba(14,106,127,.86) 46%,rgba(14,106,127,.42) 100%),
                   url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:72px 0 66px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.18);
}
.page-hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:13px;letter-spacing:.06em;color:#fff;margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:700;max-width:20em;
}
.page-hero p{
  margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);max-width:760px;
}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:rgba(255,255,255,.82);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--teal);}
.hero-meta span:first-child::before{display:none;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:5;}
.filter-bar .container{display:flex;align-items:center;gap:10px;min-height:68px;overflow-x:auto;scrollbar-width:none;}
.filter-bar .container::-webkit-scrollbar{display:none;}
.filter-label{font-size:13px;color:var(--ink-3);flex:0 0 auto;letter-spacing:.04em;}
.filter-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.filter-pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.filter-pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 内容区 ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,3vw,30px);line-height:1.3;}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px;}
.section-head .link-more{font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap;}
.section-head .link-more::after{content:" →";}

/* 双列大图列表（交错） */
.story-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
.story-col{display:flex;}
.story-grid > .story-col:nth-child(even){transform:translateY(40px);}
.story-card{
  width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.story-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D4DEE2;}
.story-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);}
.story-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.story-card:hover .story-thumb img{transform:scale(1.04);}
.story-thumb .tag{
  position:absolute;top:14px;left:14px;height:26px;padding:0 12px;border-radius:6px;
  background:rgba(255,255,255,.92);color:var(--brand);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.02em;
}
.story-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.story-body h3{font-size:19px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em;}
.story-body p{font-size:15px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.story-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:16px;font-size:13px;color:var(--ink-3);
}
.story-meta .read{margin-left:auto;color:var(--brand);font-weight:600;}
.story-meta .read::after{content:" →";}
.story-card:hover .story-meta .read{color:var(--accent);}

@media (max-width:991.98px){
  .story-grid{gap:24px;}
  .story-grid > .story-col:nth-child(even){transform:translateY(28px);}
}
@media (max-width:767.98px){
  .story-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .story-grid > .story-col:nth-child(even){transform:none;}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0 56px;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px;}
}

/* ---------- 更新节奏（横向条） ---------- */
.pace-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.pace-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
.pace-item{padding:36px 32px;border-right:1px solid var(--line);display:flex;gap:20px;}
.pace-item:last-child{border-right:0;}
.pace-num{font-size:34px;line-height:1;font-weight:700;color:var(--brand);letter-spacing:-.02em;}
.pace-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.pace-item p{font-size:14px;line-height:1.7;color:var(--ink-2);}
@media (max-width:991.98px){
  .pace-list{grid-template-columns:minmax(0,1fr);}
  .pace-item{border-right:0;border-bottom:1px solid var(--line);padding:26px 24px;}
  .pace-item:last-child{border-bottom:0;}
}

/* ---------- 分页 ---------- */
.pager-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:88px;}
.pager{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background-color 220ms var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.back-home{font-size:15px;font-weight:600;color:var(--brand);}
.back-home::before{content:"← ";}
@media (max-width:767.98px){
  .pager-wrap{margin-top:56px;flex-direction:column;align-items:flex-start;}
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:14px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:16px;line-height:1;font-weight:600;
  transition:transform 260ms var(--ease),background-color 220ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a-inner{padding:4px 4px 24px;background:var(--bg);border-top:1px solid var(--line);margin-top:-1px;}
.faq-a-inner p{padding:18px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--deep);color:#fff;padding:76px 0;}
.cta-band .cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.3;}
.cta-band .lead{margin-top:16px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.75);max-width:520px;}
.cta-points{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.cta-points span{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(43,179,163,.16);border:1px solid rgba(43,179,163,.4);
  font-size:13px;color:#D6F3EF;
}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:28px;
}
.cta-form h3{color:#fff;font-size:18px;margin-bottom:6px;}
.cta-form .hint{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);
  font-size:15px;color:var(--ink);outline:0;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,41,.18);}
.cta-form .btn-main{width:100%;margin-top:6px;}
.form-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.55);}
@media (max-width:991.98px){
  .cta-band .cta-inner{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-band{padding:56px 0;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.8);font-size:13px;
  transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.social-row a:hover{background:#fff;color:var(--deep);border-color:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-form input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);
  font-size:14px;color:var(--ink);outline:0;margin-bottom:12px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.footer-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,41,.18);}
.footer-form .btn-main{width:100%;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  padding:24px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .site-footer{padding-top:48px;}
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--deep);color:#fff;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 -8px 24px rgba(11,42,51,.24);
}
.sticky-cta p{font-size:14px;color:rgba(255,255,255,.85);line-height:1.3;}
.sticky-cta .btn-main{height:42px;padding:0 20px;font-size:14px;}
@media (max-width:991.98px){
  .sticky-cta{display:flex;}
  body{padding-bottom:68px;}
}