/* roulang page: index */
:root{
  --c-primary:#2C6C82;
  --c-primary-deep:#1D4B5C;
  --c-primary-soft:#E7F1F4;
  --c-accent:#D4783C;
  --c-accent-soft:#FBEFE6;
  --c-mint:#3E8F7C;
  --c-warn:#C2503C;
  --c-bg:#F7FAFB;
  --c-surface:#FFFFFF;
  --c-line:#E2EBEF;
  --c-text:#22343C;
  --c-text-2:#5A6F7A;
  --c-text-3:#8798A1;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(29,75,92,.06), 0 2px 8px rgba(29,75,92,.05);
  --sh-md:0 2px 4px rgba(29,75,92,.06), 0 12px 28px rgba(29,75,92,.09);
  --sh-hover:0 4px 8px rgba(29,75,92,.08), 0 18px 38px rgba(29,75,92,.13);
  --sp-section:96px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0 0 12px;font-weight:600;color:var(--c-primary-deep);}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 12px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
input,select{font:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-sm);}
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-x.grid-margin-y>.cell{margin-top:12px;margin-bottom:12px;}

/* ---------- 按钮 / 链接 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .19s ease,color .19s ease,transform .19s ease,box-shadow .19s ease,border-color .19s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 2px 4px rgba(212,120,60,.18);}
.btn-primary:hover,.btn-primary:focus{background:#c26a30;color:#fff;transform:translateY(-3px);box-shadow:0 8px 18px rgba(212,120,60,.28);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-3px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.text-link{color:var(--c-primary);border-bottom:1px solid currentColor;padding-bottom:1px;}
.text-link:hover{color:var(--c-accent);border-color:currentColor;}
.badge-reco{
  display:inline-block;margin-left:6px;padding:1px 8px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;vertical-align:middle;line-height:1.7;
}
.cat-pill{
  display:inline-block;padding:2px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:500;
}

/* ---------- 导航 ---------- */
.site-header{background:#fff;}
.nav-top{display:flex;align-items:center;height:64px;}
.nav-top-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--c-primary-deep);flex:0 0 auto;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--c-primary);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;left:8px;top:8px;width:12px;height:12px;border-radius:3px;background:#fff;opacity:.92;}
.nav-search{
  margin-left:auto;flex:0 1 340px;display:flex;align-items:center;gap:6px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-soft);}
.nav-search input{flex:1;min-width:0;height:32px;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  width:34px;height:34px;flex:0 0 auto;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease;
}
.nav-search button:hover{background:var(--c-accent);}
.nav-cta{flex:0 0 auto;}
.nav-tabs{
  position:sticky;top:0;z-index:900;background:#fff;
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.nav-tabs .grid-container{position:relative;}
.tab-list{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;white-space:nowrap;
  -ms-overflow-style:none;scrollbar-width:none;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:500;transition:background .18s ease,color .18s ease;
}
.tab:hover{background:#d5e7ee;color:var(--c-primary-deep);}
.tab.is-active{background:var(--c-primary);color:#fff;}
.tab.is-active:hover{background:var(--c-primary-deep);color:#fff;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 80px;background:var(--c-bg);overflow:hidden;border-top:3px solid var(--c-primary);}
.hero::after{
  content:"";position:absolute;right:-160px;top:-180px;width:520px;height:520px;
  border-radius:50%;background:var(--c-primary-soft);opacity:.7;pointer-events:none;
}
.hero .grid-container{position:relative;z-index:1;}
.hero-copy{max-width:560px;}
.hero-eyebrow{
  display:inline-block;margin-bottom:16px;padding:3px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);font-size:13px;font-weight:500;
}
.hero-sub{font-size:18px;color:var(--c-text-2);margin:14px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;}
.hero-points li{position:relative;padding-left:22px;font-size:13px;color:var(--c-text-2);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:1.5px solid var(--c-mint);border-bottom:1.5px solid var(--c-mint);
  transform:rotate(-45deg);
}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-md);background:var(--c-primary-soft);
}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-white{background:#fff;}
.section-tiers{
  background-image:linear-gradient(rgba(255,255,255,.95),rgba(255,255,255,.95)),url('/assets/images/coverpic/cover-5.webp');
  background-position:center;background-size:cover;background-repeat:no-repeat;
}
.section-head{max-width:680px;margin-bottom:40px;}
.section-head .section-sub{color:var(--c-text-2);font-size:15px;margin:0;}
.section-more{margin-top:28px;text-align:center;font-size:15px;}

/* ---------- 权益对比表 ---------- */
.compare-table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);overflow:hidden;
}
table.compare-table{width:100%;border-collapse:collapse;font-size:15px;margin:0;background:#fff;}
.compare-table th,.compare-table td{
  padding:14px 16px;border-bottom:1px solid var(--c-line);text-align:center;
  font-variant-numeric:tabular-nums;
}
.compare-table thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;}
.compare-table thead th:first-child{text-align:left;}
.compare-table tbody tr:nth-child(even){background:#FBFDFD;}
.compare-table tbody th{
  text-align:left;background:var(--c-primary-soft);color:var(--c-text);
  font-weight:500;width:26%;
}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td b{font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;}
.compare-table .yes{color:var(--c-mint);font-weight:700;font-size:16px;}
.compare-table .dash{color:var(--c-text-3);}
.compare-table th.col-reco{border-top:2px solid var(--c-accent);}
.compare-cards{display:none;}
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:20px 18px;
}
.compare-card h3{font-size:17px;display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-bottom:12px;}
.compare-card ul li{
  display:flex;justify-content:space-between;gap:12px;padding:9px 0;
  border-bottom:1px dashed var(--c-line);font-size:14px;
}
.compare-card ul li:last-child{border-bottom:0;}
.compare-card ul li span{color:var(--c-text-2);}
.compare-card ul li b{font-variant-numeric:tabular-nums;color:var(--c-primary-deep);}

/* ---------- 等级卡 ---------- */
.tier-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:26px 22px;
  transition:transform .19s ease,box-shadow .19s ease,border-color .19s ease;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#cfe0e6;}
.tier-card.is-reco{border-color:rgba(212,120,60,.45);box-shadow:0 2px 4px rgba(212,120,60,.08),0 12px 28px rgba(212,120,60,.14);}
.tier-name{font-size:18px;font-weight:600;color:var(--c-primary-deep);display:flex;align-items:center;flex-wrap:wrap;gap:4px;}
.tier-desc{font-size:14px;color:var(--c-text-2);margin:8px 0 18px;min-height:44px;}
.tier-list{margin-bottom:20px;}
.tier-list li{position:relative;padding-left:22px;font-size:14px;color:var(--c-text-2);margin-bottom:8px;}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:1.5px solid var(--c-mint);border-bottom:1.5px solid var(--c-mint);
  transform:rotate(-45deg);
}
.tier-price{margin-top:auto;display:flex;align-items:flex-end;gap:6px;padding:16px 0 18px;border-top:1px solid var(--c-line);}
.tier-price .num{font-size:30px;font-weight:700;line-height:1;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.tier-price .unit{font-size:13px;color:var(--c-text-3);}

/* ---------- 内容卡 ---------- */
.content-card{
  height:100%;display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);
  transition:transform .19s ease,box-shadow .19s ease,border-color .19s ease;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#cfe0e6;}
.card-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.content-card:hover .card-media img{transform:scale(1.04);}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px;}
.card-title{
  font-size:17px;line-height:1.45;color:var(--c-primary-deep);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-title a{color:inherit;}
.card-title a:hover{color:var(--c-accent);}
.card-summary{
  font-size:14px;line-height:1.7;color:var(--c-text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.dot{width:4px;height:4px;border-radius:50%;background:var(--c-text-3);display:inline-block;flex:0 0 auto;}

/* ---------- 资讯横向列表 ---------- */
.news-item{
  height:100%;display:flex;gap:16px;padding:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:transform .19s ease,box-shadow .19s ease,border-color .19s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#cfe0e6;}
.news-thumb{width:96px;height:72px;flex:0 0 auto;border-radius:var(--r-md);object-fit:cover;background:var(--c-primary-soft);}
.news-body{min-width:0;display:flex;flex-direction:column;flex:1;}
.news-title{
  font-size:16px;font-weight:600;color:var(--c-primary-deep);margin:0 0 4px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{color:inherit;}
.news-title a:hover{color:var(--c-accent);}
.news-summary{
  font-size:14px;line-height:1.7;color:var(--c-text-2);margin:0 0 8px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);}
.news-meta .cate{color:var(--c-primary);}

/* ---------- FAQ ---------- */
.accordion,.accordion-title,.accordion-content{background:transparent;border:0;color:inherit;}
.faq-accordion{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);overflow:hidden;margin:0;
}
.faq-accordion .accordion-item{border-bottom:1px solid var(--c-line);}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-title{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-primary-deep);
  transition:background .18s ease;
}
.faq-accordion .accordion-title:hover{background:var(--c-primary-soft);}
.faq-accordion .faq-q{margin:0;font-size:16px;}
.faq-accordion .ico{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .2s ease;}
.faq-accordion .ico::before,.faq-accordion .ico::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-accordion .ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-accordion .ico::after{left:8px;top:0;width:2px;height:18px;}
.faq-accordion .faq-trigger[aria-expanded="true"] .ico{transform:rotate(180deg);}
.faq-accordion .faq-trigger[aria-expanded="true"] .ico::after{opacity:0;transform:scaleY(0);}
.faq-panel{display:none;background:var(--c-bg);padding:2px 24px 22px;}
.faq-accordion .accordion-item.is-open .faq-panel{display:block;}
.faq-panel p{margin:0;font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ---------- CTA 窄带 ---------- */
.cta-band{padding:0 0 var(--sp-section);}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:40px 32px;border-radius:20px;color:#fff;
  background-image:linear-gradient(rgba(44,108,130,.94),rgba(44,108,130,.94)),url('/assets/images/backpic/back-2.png');
  background-position:center;background-size:cover;background-repeat:no-repeat;
}
.cta-text h2{color:#fff;font-size:24px;margin:0 0 6px;}
.cta-text p{margin:0;font-size:14px;color:rgba(255,255,255,.82);}
.cta-inner .btn-primary{box-shadow:0 6px 16px rgba(20,40,50,.25);}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #b9cfd8;border-radius:var(--r-lg);background:#fff;
  padding:36px 24px;text-align:center;color:var(--c-text-2);font-size:15px;
}
.empty-state p{margin:0 0 10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#C9DCE3;padding-top:64px;}
.footer-cols{padding-bottom:36px;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-brand .brand-mark::after{background:#fff;}
.site-footer p{font-size:14px;line-height:1.8;color:#C9DCE3;margin:0 0 10px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C9DCE3;font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#9EB9C3;
}
.footer-bottom p{margin:0;font-size:13px;color:#9EB9C3;}
.footer-bottom a{color:#C9DCE3;}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:1;transform:none;}
.has-reveal .reveal:not(.in-view){opacity:0;transform:translateY(8px);}
.has-reveal .reveal{transition:opacity .5s ease,transform .5s ease;}
@media (prefers-reduced-motion: reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .has-reveal .reveal:not(.in-view){opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--sp-section:64px;}
  .hero{padding:56px 0 64px;}
  .tier-desc{min-height:0;}
  .section-head{margin-bottom:32px;}
}
@media screen and (max-width:767px){
  :root{--sp-section:48px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  body{font-size:15px;line-height:1.75;}
  .nav-top{height:56px;}
  .nav-search{display:none;}
  .brand{font-size:16px;}
  .tab-list{height:44px;gap:8px;}
  .nav-tabs::after{
    content:"";position:absolute;right:0;top:0;width:36px;height:100%;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none;
  }
  .hero{padding:44px 0 52px;}
  .hero-copy{max-width:none;margin-bottom:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-points{gap:14px;}
  .compare-table-wrap{display:none;}
  .compare-cards{display:grid;gap:16px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 22px;text-align:left;}
  .cta-inner .btn{width:100%;}
  .cta-text h2{font-size:20px;}
  .footer-cols{padding-bottom:20px;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:479px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .brand span.brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle;}
  .nav-cta{padding:0 14px;font-size:14px;}
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;height:150px;}
  .news-summary{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-primary:#2C6C82;
  --c-primary-deep:#1D4B5C;
  --c-primary-soft:#E7F1F4;
  --c-accent:#D4783C;
  --c-accent-dark:#C46A32;
  --c-accent-soft:#FBEFE6;
  --c-mint:#3E8F7C;
  --c-warn:#C2503C;
  --c-bg:#F7FAFB;
  --c-surface:#FFFFFF;
  --c-line:#E2EBEF;
  --c-text:#22343C;
  --c-text-2:#5A6F7A;
  --c-text-3:#8798A1;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(29,75,92,.06),0 2px 8px rgba(29,75,92,.05);
  --sh-md:0 2px 4px rgba(29,75,92,.06),0 12px 28px rgba(29,75,92,.09);
  --sh-hover:0 4px 8px rgba(29,75,92,.08),0 18px 38px rgba(29,75,92,.13);
  --tr:180ms ease;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--c-accent);}
button,input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

/* 容器 */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:600;color:var(--c-primary-deep);}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:720px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--tr);text-decoration:none;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-md);}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 2px 8px rgba(212,120,60,.24);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:transparent;}
.btn-ghost:hover{background:#D8E9ED;color:var(--c-primary-deep);}
.text-link{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;font-weight:600;}
.text-link:hover{color:var(--c-accent);}

/* 导航 */
.site-header{position:relative;z-index:900;}
.nav-top{background:var(--c-surface);border-bottom:1px solid var(--c-line);height:64px;display:flex;align-items:center;}
.nav-top .grid-container{width:100%;}
.nav-top-inner{display:flex;align-items:center;gap:18px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--c-primary);position:relative;display:inline-block;flex-shrink:0;}
.brand-mark::after{content:"";position:absolute;left:8px;top:8px;width:10px;height:10px;background:#fff;border-radius:3px;}
.brand-text{font-size:18px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.4px;white-space:nowrap;}
.brand-text:hover{color:var(--c-primary-deep);}
.nav-search{
  margin-left:auto;display:flex;align-items:center;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);
  height:40px;padding:0 6px 0 16px;width:262px;transition:border-color var(--tr),box-shadow var(--tr);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(44,108,130,.12);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-text);height:100%;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  width:32px;height:32px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background var(--tr);
}
.nav-search button:hover{background:var(--c-primary-deep);}
.nav-cta{flex-shrink:0;}
.nav-tabs{position:sticky;top:0;z-index:890;background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.nav-tabs .grid-container{position:relative;}
.nav-tabs::after{
  content:"";position:absolute;right:0;top:0;width:56px;height:100%;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none;
}
.tab-list{
  display:flex;gap:12px;align-items:center;height:48px;
  overflow-x:auto;scrollbar-width:none;padding:0 16px 0 0;margin:0;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:500;white-space:nowrap;transition:all var(--tr);
}
.tab:hover{background:#D6E7EC;color:var(--c-primary-deep);}
.tab.is-active{background:var(--c-primary);color:#fff;}
.tab.is-active:hover{background:var(--c-primary-deep);color:#fff;}

/* 文章头 */
.article-hero{
  position:relative;
  padding:52px 0 44px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,250,251,.90) 0%,rgba(247,250,251,.95) 62%,#F7FAFB 100%);
}
.article-hero .grid-container{position:relative;z-index:1;}
.breadcrumb{font-size:14px;color:var(--c-text-3);margin-bottom:20px;line-height:1.7;word-break:break-word;}
.breadcrumb a{color:var(--c-text-3);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{margin:0 8px;color:#B8C7CE;}
.breadcrumb .current{color:var(--c-primary-deep);font-weight:600;}
.article-title{
  font-size:clamp(30px,4.4vw,44px);line-height:1.25;font-weight:600;
  color:var(--c-primary-deep);max-width:900px;margin-bottom:20px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--c-text-2);}
.post-meta time{font-variant-numeric:tabular-nums;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3D2D8;display:inline-block;}
.cat-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:#A85A26;font-size:12px;font-weight:700;letter-spacing:.3px;
}

/* 正文 */
.article-section{padding:56px 0 var(--sec);}
.article-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-md);
  padding:48px 44px;
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--c-text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;color:var(--c-text);}
.article-body h2{
  font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:600;color:var(--c-primary-deep);
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:5px;height:1em;border-radius:3px;background:var(--c-accent);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-primary-deep);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-text);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;color:var(--c-text-2);}
.article-body li strong{color:var(--c-text);}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-primary-deep);font-size:15px;
}
.article-body blockquote p{margin:0;color:inherit;}
.article-body img{border-radius:var(--r-lg);margin:22px auto;max-width:100%;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px;
}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:22px 0;font-size:15px;font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;}
.article-body tr:nth-child(even) td{background:#FAFCFD;}
.article-body code{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  padding:2px 6px;border-radius:var(--r-sm);font-size:14px;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* 空态 */
.empty-state{text-align:center;padding:48px 20px;border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-bg);}
.empty-state h2{font-size:22px;font-weight:600;color:var(--c-primary-deep);margin-bottom:12px;}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:22px;}

/* 文末 */
.article-foot{
  max-width:760px;margin:44px auto 0;padding-top:28px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--c-text-3);}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:500;transition:all var(--tr);
}
.tag:hover{background:var(--c-primary);color:#fff;}
.share-row{display:flex;align-items:center;gap:12px;}
.copy-tip{font-size:13px;color:var(--c-mint);font-weight:600;opacity:0;transition:opacity var(--tr);}
.copy-tip.is-show{opacity:1;}
.back-channel{margin-top:26px;text-align:center;font-size:15px;color:var(--c-text-2);}

/* 相关推荐 */
.related-section{background:var(--c-surface);border-top:1px solid var(--c-line);}
.card-grid{margin-top:-12px;}
.card-cell{margin-bottom:24px;}
.content-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr);
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.card-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.content-card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cat-badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;
}
.card-body h3{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body h3 a{color:inherit;}
.card-body h3 a:hover{color:var(--c-primary);}
.card-body p{
  font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D2D8;}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#C9DCE3;padding:64px 0 0;margin-top:0;}
.footer-cols{padding-bottom:8px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::after{background:var(--c-primary-deep);}
.footer-brand span:last-child{font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px;}
.site-footer p{font-size:14px;line-height:1.8;color:#C9DCE3;margin-bottom:10px;}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C9DCE3;font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#9FBDC9;margin:0;}
.footer-bottom a{color:#9FBDC9;font-size:13px;}
.footer-bottom a:hover{color:var(--c-accent);}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none!important;transition:none!important;}
}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--sec:64px;}
  .nav-search{width:190px;}
  .article-card{padding:40px 32px;}
}
@media screen and (max-width:767px){
  :root{--sec:48px;}
  body{font-size:15px;line-height:1.75;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-top{height:56px;}
  .nav-top-inner{gap:12px;}
  .nav-search{display:none;}
  .nav-cta{margin-left:auto;}
  .brand-text{font-size:16px;}
  .tab-list{height:44px;gap:10px;}
  .article-hero{padding:32px 0 28px;}
  .article-card{padding:28px 18px;border-radius:12px;}
  .article-body{font-size:15px;}
  .article-body h2{margin:32px 0 14px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .share-row{width:100%;}
  .btn{min-height:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:479px){
  .article-title{font-size:26px;}
  .post-meta{gap:8px;font-size:13px;}
  .article-card{padding:24px 14px;}
  .card-body{padding:16px 16px 20px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2C6C82;
  --c-primary-deep:#1D4B5C;
  --c-primary-soft:#E7F1F4;
  --c-accent:#D4783C;
  --c-accent-soft:#FBEFE6;
  --c-mint:#3E8F7C;
  --c-warn:#C2503C;
  --c-bg:#F7FAFB;
  --c-surface:#FFFFFF;
  --c-line:#E2EBEF;
  --c-text:#22343C;
  --c-text-2:#5A6F7A;
  --c-text-3:#8798A1;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(29,75,92,.06),0 2px 8px rgba(29,75,92,.05);
  --sh-md:0 2px 4px rgba(29,75,92,.06),0 12px 28px rgba(29,75,92,.09);
  --sh-hover:0 4px 8px rgba(29,75,92,.08),0 18px 38px rgba(29,75,92,.13);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:600;font-style:normal;}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.25;letter-spacing:-.2px;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-primary:hover,.btn-primary:focus{background:#c4692f;border-color:#c4692f;color:#fff;transform:translateY(-3px);box-shadow:var(--sh-hover);}
.btn-outline{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-3px);box-shadow:var(--sh-sm);}
.btn-ghost{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-accent-soft);color:var(--c-accent);border-color:var(--c-accent-soft);transform:translateY(-3px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:active{transform:translateY(-1px);}
.link-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:14px;border-bottom:1px solid var(--c-primary);padding-bottom:1px;}
.link-text:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ---------- 导航 ---------- */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:relative;z-index:900;}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary-deep);font-size:18px;font-weight:700;letter-spacing:.2px;flex:none;}
.brand:hover{color:var(--c-primary-deep);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--c-primary);
  display:inline-block;position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;border-radius:3px;background:#fff;opacity:.92;
}
.nav-search{
  display:flex;align-items:center;margin-left:auto;
  background:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:3px 3px 3px 16px;width:300px;max-width:38vw;
  transition:box-shadow .18s ease;
}
.nav-search:focus-within{box-shadow:0 0 0 2px rgba(44,108,130,.18);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;height:36px;
  font-size:14px;color:var(--c-text);outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  width:34px;height:34px;flex:none;border:0;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background-color .18s ease;
}
.nav-search button:hover{background:var(--c-primary-deep);}
.nav-cta{flex:none;}

.nav-tabs{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:800;
}
.nav-tabs .grid-container{position:relative;}
.tab-list{display:flex;align-items:center;gap:10px;padding:8px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.tab:hover{background:#d6e8ed;color:var(--c-primary-deep);}
.tab.is-active{background:var(--c-primary);color:#fff;}
.tab.is-active:hover{background:var(--c-primary-deep);color:#fff;}

/* ---------- 面包屑 ---------- */
.page-main{padding-top:28px;}
.crumb{font-size:14px;color:var(--c-text-3);margin-bottom:22px;line-height:1.7;}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{margin:0 8px;color:#c6d4da;}
.crumb .current{color:var(--c-primary-deep);font-weight:600;}

/* ---------- 分类页头部 ---------- */
.cat-head{margin-bottom:36px;max-width:820px;}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.cat-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.cat-head h1{color:var(--c-primary-deep);margin-bottom:14px;}
.cat-head p{color:var(--c-text-2);font-size:16px;margin:0;max-width:680px;}

/* ---------- 两栏布局 ---------- */
.cat-layout{margin:0 -12px;}
.cat-layout > .cell{padding:0 12px;}

/* 左目录 */
.cat-toc{position:sticky;top:96px;}
.toc-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:18px 14px;
}
.toc-title{
  font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.6px;
  margin:0 0 10px;padding-left:14px;text-transform:none;
}
.toc-list li:not(:last-child){margin-bottom:2px;}
.toc-list a{
  display:block;position:relative;padding:10px 12px 10px 16px;border-radius:8px;
  color:var(--c-text-2);font-size:14.5px;transition:background-color .18s ease,color .18s ease;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--c-primary);
  transition:height .18s ease;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.toc-list a.is-active{color:var(--c-primary-deep);font-weight:600;background:var(--c-bg);}
.toc-list a.is-active::before{height:58%;}

/* ---------- 右栏 ---------- */
.cat-body{min-width:0;}

.intro-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:28px;margin-bottom:40px;
}
.intro-grid{display:flex;gap:28px;align-items:center;}
.intro-text{flex:1 1 58%;min-width:0;}
.intro-text h2{font-size:22px;color:var(--c-primary-deep);margin-bottom:12px;}
.intro-text p{color:var(--c-text-2);font-size:15px;margin-bottom:0;}
.intro-media{flex:0 1 38%;border-radius:var(--r-lg);overflow:hidden;background:var(--c-primary-soft);}
.intro-media img{width:100%;height:190px;object-fit:cover;}

.stat-row{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap;}
.stat{
  flex:1 1 150px;background:var(--c-bg);border:1px solid var(--c-line);
  border-radius:12px;padding:14px 16px;
}
.stat .num{
  display:block;font-size:24px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat .lbl{font-size:13px;color:var(--c-text-3);}

.block-title{margin-bottom:8px;}
.block-title h2{font-size:24px;color:var(--c-primary-deep);}
.block-sub{color:var(--c-text-2);font-size:15px;margin-bottom:24px;max-width:640px;}

/* 横向图文卡 */
.row-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:18px;margin-bottom:20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.row-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#cfe0e6;}
.row-card-media{
  flex:0 0 200px;border-radius:12px;overflow:hidden;background:var(--c-primary-soft);
}
.row-card-media img{width:100%;height:100%;min-height:132px;object-fit:cover;}
.row-card-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.row-card-body h3{font-size:19px;color:var(--c-text);margin:8px 0 8px;}
.row-card-body p{color:var(--c-text-2);font-size:15px;line-height:1.75;margin:0 0 14px;}
.pill{
  display:inline-block;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;line-height:1.6;
}
.meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-top:auto;}
.dot{width:4px;height:4px;border-radius:50%;background:#c6d4da;flex:none;}
.meta .link-text{font-size:13px;margin-left:auto;}

/* ---------- FAQ ---------- */
.faq-section{margin-top:48px;}
.faq-accordion{background:transparent;border:0;}
.faq-accordion .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);
}
.faq-accordion .accordion-title{
  width:100%;display:block;text-align:left;background:var(--c-surface);border:0;
  color:var(--c-primary-deep);font-size:16px;font-weight:600;line-height:1.5;
  padding:18px 52px 18px 20px;position:relative;cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.faq-accordion .accordion-title:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:24px;top:50%;background:var(--c-accent);border-radius:2px;
}
.faq-accordion .accordion-title::before{width:13px;height:2px;transform:translateY(-50%);}
.faq-accordion .accordion-title::after{width:2px;height:13px;transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease;}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-accordion .accordion-content{
  border:0;background:var(--c-bg);padding:0 20px 18px;color:var(--c-text-2);
  font-size:15px;line-height:1.8;
}
.faq-accordion .accordion-content p{margin:0;}

/* ---------- 相关分类 pill ---------- */
.related-block{margin-top:44px;padding-top:32px;border-top:1px solid var(--c-line);}
.related-block h2{font-size:18px;color:var(--c-primary-deep);margin-bottom:14px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill-link{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-text-2);font-size:14px;font-weight:500;
  transition:all .18s ease;
}
.pill-link:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-2px);}
.pill-link.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- CTA 窄带 ---------- */
.cta-band{
  margin:56px 0 0;background:var(--c-primary);border-radius:20px;
  padding:40px 32px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;box-shadow:var(--sh-md);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.06);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:6px;}
.cta-band p{color:#cfe3ea;font-size:15px;margin:0;}
.cta-band .btn{position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#C9DCE3;margin-top:96px;padding-top:64px;}
.footer-cols{padding-bottom:40px;}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.3px;}
.site-footer p{font-size:14px;line-height:1.9;color:#C9DCE3;margin:0 0 8px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::after{background:var(--c-primary-deep);}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:9px;}
.footer-links a{color:#C9DCE3;font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;
}
.footer-bottom p{margin:0;font-size:13px;color:#9FBCC7;}
.footer-bottom a{color:#C9DCE3;font-size:13px;}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);animation:reveal .5s ease forwards;}
@keyframes reveal{to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;animation:none;}
  *{transition-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:64px;}
  .nav-search{width:230px;}
  .intro-grid{gap:20px;}
  .row-card-media{flex:0 0 168px;}
  .cat-toc{top:88px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  body{font-size:15px;line-height:1.75;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-top-inner{height:56px;gap:12px;}
  .brand{font-size:16px;}
  .brand-mark{width:23px;height:23px;border-radius:7px;}
  .brand-mark::after{left:6px;top:6px;width:11px;height:11px;}
  .nav-search{display:none;}
  .nav-cta{margin-left:auto;}
  .nav-tabs .grid-container::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:26px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none;
  }
  .tab{height:30px;padding:0 13px;font-size:13.5px;}
  .page-main{padding-top:18px;}
  .cat-head{margin-bottom:24px;}
  .cat-layout{margin:0 -8px;}
  .cat-layout > .cell{padding:0 8px;}
  .cat-toc{position:static;margin-bottom:20px;}
  .toc-card{padding:12px;border-radius:12px;}
  .toc-title{display:none;}
  .toc-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-list li{margin:0 !important;}
  .toc-list a{
    white-space:nowrap;background:var(--c-primary-soft);border-radius:var(--r-pill);
    padding:7px 14px;font-size:13.5px;
  }
  .toc-list a::before{display:none;}
  .toc-list a.is-active{background:var(--c-primary);color:#fff;}
  .intro-panel{padding:20px;}
  .intro-grid{flex-direction:column;align-items:stretch;}
  .intro-media{flex:none;}
  .intro-media img{height:160px;}
  .row-card{flex-direction:column;gap:14px;}
  .row-card-media{flex:none;}
  .row-card-media img{height:170px;min-height:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;padding-top:44px;}
}
@media (max-width:479px){
  h1{font-size:26px;}
  .cat-head h1{font-size:25px;}
  .block-title h2,.cta-band h2{font-size:20px;}
  .row-card h3{font-size:17px;}
  .stat-row{gap:10px;}
  .stat{flex:1 1 100%;}
  .btn{height:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2C6C82;
  --c-primary-deep:#1D4B5C;
  --c-primary-soft:#E7F1F4;
  --c-accent:#D4783C;
  --c-accent-soft:#FBEFE6;
  --c-mint:#3E8F7C;
  --c-warn:#C2503C;
  --c-bg:#F7FAFB;
  --c-surface:#FFFFFF;
  --c-line:#E2EBEF;
  --c-text:#22343C;
  --c-text-2:#5A6F7A;
  --c-text-3:#8798A1;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(29,75,92,.06),0 2px 8px rgba(29,75,92,.05);
  --sh-md:0 2px 4px rgba(29,75,92,.06),0 12px 28px rgba(29,75,92,.09);
  --sh-hover:0 4px 8px rgba(29,75,92,.08),0 18px 38px rgba(29,75,92,.13);
  --sp-section:96px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-accent);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-sm);}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--c-text);}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--sp-section) 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:14px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-text-2);font-size:15px;margin:0;}
.tnum{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#C36A31;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);background:#B5612B;}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-md);}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(44,108,130,.35);padding-bottom:2px;}
.link-more:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:900;background:#fff;}
.nav-top{background:#fff;border-bottom:1px solid var(--c-line);}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:600;color:var(--c-primary-deep);letter-spacing:.01em;}
.brand-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--c-primary);flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;left:8px;top:8px;width:8px;height:8px;border-radius:2px;background:#fff;opacity:.9;}
.brand:hover .brand-text{color:var(--c-accent);}
.nav-search{position:relative;display:flex;align-items:center;margin-left:auto;max-width:280px;flex:1 1 200px;}
.nav-search input{
  width:100%;height:40px;padding:0 46px 0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-bg);font-size:14px;color:var(--c-text);
  transition:border-color var(--ease),background-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(44,108,130,.12);}
.nav-search button{
  position:absolute;right:4px;width:32px;height:32px;border:0;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background-color var(--ease),transform var(--ease);
}
.nav-search button:hover{background:var(--c-primary-deep);transform:scale(1.05);}
.nav-cta{flex:0 0 auto;}
.nav-tabs{
  position:sticky;top:0;z-index:800;background:#fff;border-bottom:1px solid var(--c-line);
  overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(to right,#000 0,#000 calc(100% - 30px),transparent 100%);
  mask-image:linear-gradient(to right,#000 0,#000 calc(100% - 30px),transparent 100%);
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab-list{display:flex;align-items:center;gap:10px;padding:8px 0;}
.tab-list li{flex:0 0 auto;}
.tab{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);font-size:14px;font-weight:500;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.tab:hover{background:#D6E8EE;color:var(--c-primary-deep);}
.tab.is-active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:14px;color:var(--c-text-3);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:6px;}
.breadcrumb a{color:var(--c-text-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C3D2D8;}
.breadcrumb .current{color:var(--c-primary-deep);font-weight:600;}

/* ---------- 通栏头 ---------- */
.page-hero{
  position:relative;
  background:
    linear-gradient(115deg,rgba(247,250,251,.95) 0%,rgba(231,241,244,.90) 62%,rgba(251,239,230,.82) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--c-line);
  padding:52px 0 44px;
}
.page-hero::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c-primary);}
.page-hero h1{margin-bottom:14px;}
.page-hero .lead{max-width:620px;font-size:16px;color:var(--c-text-2);margin-bottom:24px;}
.pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);font-size:14px;font-weight:500;
  box-shadow:var(--sh-sm);transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-2px);}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- 等级速览 ---------- */
.tier-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:24px;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE0E6;}
.tier-card.is-recommend{border-top:2px solid var(--c-accent);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.tier-index{font-size:13px;font-weight:700;color:var(--c-text-3);letter-spacing:.08em;}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-mint{background:#E6F2EE;color:var(--c-mint);}
.tier-card h3{margin-bottom:6px;}
.tier-highlight{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.tier-points{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.tier-points li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--c-text-2);line-height:1.6;}
.tier-points li svg{flex:0 0 auto;margin-top:5px;color:var(--c-mint);}
.tier-price{margin-top:auto;display:flex;align-items:baseline;gap:6px;padding-top:16px;border-top:1px solid var(--c-line);margin-bottom:16px;}
.tier-price strong{font-size:30px;line-height:1;color:var(--c-primary-deep);}
.tier-price span{font-size:13px;color:var(--c-text-3);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{content:"";position:absolute;left:19px;top:24px;bottom:24px;width:2px;background:var(--c-line);}
.timeline-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;padding-bottom:22px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:relative;z-index:1;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.timeline-item.is-current .timeline-dot{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 0 0 5px var(--c-accent-soft);}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:20px 22px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.step-card h3{font-size:18px;margin-bottom:8px;color:var(--c-primary-deep);}
.step-card p{font-size:15px;color:var(--c-text-2);margin:0;}

/* ---------- 双列图文卡 ---------- */
.spot-card{
  height:100%;display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);
  transition:transform var(--ease),box-shadow var(--ease);
}
.spot-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.spot-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.spot-card:hover .spot-media img{transform:scale(1.04);}
.spot-tag{position:absolute;left:14px;top:14px;height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:600;}
.spot-body{padding:22px 24px 26px;}
.spot-body h3{margin-bottom:10px;}
.spot-body p{font-size:15px;color:var(--c-text-2);margin:0;}
.spot-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--c-text-3);}
.spot-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-text-3);opacity:.6;}

/* ---------- FAQ ---------- */
.faq-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-primary-deep);line-height:1.6;
  transition:background-color var(--ease);
}
.faq-q:hover{background:var(--c-primary-soft);}
.faq-q .chev{flex:0 0 auto;color:var(--c-accent);transition:transform var(--ease);}
.faq-item.is-open .faq-q{background:#fff;}
.faq-item.is-open .chev{transform:rotate(180deg);}
.faq-a{padding:0 24px 22px;background:var(--c-bg);font-size:15px;color:var(--c-text-2);line-height:1.8;}
.faq-a[hidden]{display:none;}
.faq-a p{margin:0;}
.faq-item.is-open .faq-a{padding-top:18px;}

/* ---------- CTA 窄带 ---------- */
.cta-band{
  background:var(--c-primary-soft);border:1px solid #D5E6EB;border-radius:20px;
  padding:32px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-sm);
}
.cta-band h2{font-size:22px;margin-bottom:6px;color:var(--c-primary-deep);}
.cta-band p{margin:0;font-size:15px;color:var(--c-text-2);}
.cta-band .cta-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#C9DCE3;padding:64px 0 24px;margin-top:var(--sp-section);}
.footer-cols{padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:600;color:#fff;}
.site-footer .brand-mark{background:#fff;}
.site-footer .brand-mark::after{background:var(--c-accent);}
.site-footer p{font-size:14px;line-height:1.8;color:#AFC9D2;margin-bottom:8px;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C9DCE3;font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center;}
.footer-bottom p{font-size:13px;color:#95B4BF;margin:0;}
.footer-bottom a{color:#C9DCE3;font-size:13px;}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 420ms ease,transform 420ms ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .nav-search{max-width:210px;}
  .cta-band{padding:28px 28px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  body{font-size:15px;line-height:1.75;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-top-inner{height:56px;gap:12px;}
  .brand-text{font-size:15px;}
  .nav-search{display:none;}
  .nav-cta{margin-left:auto;height:36px;padding:0 14px;font-size:13px;}
  .tab-list{padding:7px 0;}
  .page-hero{padding:36px 0 32px;}
  .section-head{margin-bottom:28px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a{padding:0 18px 18px;font-size:14px;}
  .faq-item.is-open .faq-a{padding-top:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:18px;}
  .cta-band .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px;}
  .cta-band .btn{width:100%;}
  .cta-band .link-more{justify-content:center;}
  .timeline::before{left:17px;}
  .timeline-item{grid-template-columns:38px 1fr;gap:14px;}
  .timeline-dot{width:36px;height:36px;font-size:13px;}
  .step-card{padding:18px;}
  .site-footer{padding:48px 0 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  :root{--sp-section:48px;}
  .brand-text{font-size:14px;}
  .brand-mark{width:24px;height:24px;border-radius:6px;}
  .brand-mark::after{left:7px;top:7px;width:7px;height:7px;}
  .tier-price strong{font-size:26px;}
  .spot-body{padding:18px 18px 22px;}
  .pills{gap:8px;}
  .pill{height:32px;padding:0 13px;font-size:13px;}
}