/* roulang page: index */
:root{
  --primary:#12B8A6;
  --primary-600:#0E9E8F;
  --primary-soft:rgba(18,184,166,.10);
  --accent:#FF7A1A;
  --accent-soft:rgba(255,122,26,.12);
  --dark:#0C0D10;
  --dark-2:#15171C;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --border:#E6E1D6;
  --text:#16171A;
  --muted:#5C5F66;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(12,13,16,.06);
  --shadow-hover:0 18px 38px rgba(12,13,16,.14);
  --container:1240px;
  --gut:28px;
  --section-y:88px;
  --font-num:"DIN Alternate","Space Grotesk","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.8;font-weight:400;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:inherit;font-family:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(18,184,166,.55);outline-offset:2px;border-radius:8px}
::selection{background:var(--primary);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gut)}
.section{padding:var(--section-y) 0}
.section--tight{padding:56px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section--dark{background:var(--dark);color:#fff}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:900;letter-spacing:-.02em}
.section-head p{margin-top:14px;color:var(--muted);font-size:17px}
.section--dark .section-head p{color:rgba(255,255,255,.68)}
.section--dark .eyebrow{color:#5FE0D2}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;line-height:1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
  min-height:46px;
}
.btn i{transition:transform .22s ease}
.btn:hover i.fa-arrow-right{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(18,184,166,.28)}
.btn-primary:hover{background:var(--primary-600);color:#fff}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#22252c;color:#fff}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,122,26,.28)}
.btn-accent:hover{background:#e86c0f;color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.10);color:#fff}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-600);background:var(--primary-soft)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(12,13,16,.08);background:rgba(255,255,255,.98)}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:74px;transition:min-height .25s ease}
.is-scrolled .topbar-inner{min-height:62px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary) 0%,#0B8E82 55%,var(--dark) 100%);
  color:#fff;font-weight:900;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(18,184,166,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:900;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-search{
  flex:1;max-width:460px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:6px 6px 6px 18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{
  flex:1;border:0;outline:none;background:transparent;padding:8px 0;font-size:15px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:#9AA0A6}
.nav-search button{
  border:0;background:var(--dark);color:#fff;border-radius:var(--radius-pill);
  padding:9px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s ease;min-height:38px;
}
.nav-search button:hover{background:var(--primary-600)}
.nav-toggle{
  display:none;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;min-height:42px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-600)}
.mainnav{border-top:1px solid rgba(230,225,214,.85);background:rgba(255,255,255,.6)}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:54px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;color:var(--muted);
}
.nav-link:hover{color:var(--primary-600);background:var(--primary-soft)}
.nav-link.is-active{color:#fff;background:var(--dark)}
.nav-trends{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.trends-label{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700}
.nav-trends a{
  padding:5px 12px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--muted);transition:all .2s ease;
}
.nav-trends a:hover{border-color:var(--primary);color:var(--primary-600);background:var(--primary-soft)}
.mobile-search{display:none}

/* ===== Hero ===== */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:76px 0 64px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(102deg,rgba(12,13,16,.95) 0%,rgba(12,13,16,.80) 42%,rgba(12,13,16,.46) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center}
.hero .chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(18,184,166,.16);border:1px solid rgba(18,184,166,.42);
  color:#7DE7DB;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.hero h1{
  font-size:clamp(34px,4.5vw,54px);font-weight:900;letter-spacing:-.02em;line-height:1.16;
  margin:22px 0 18px;max-width:15em;
}
.hero h1 span{color:#5FE0D2}
.hero-sub{font-size:18px;color:rgba(255,255,255,.78);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-family:var(--font-num);font-size:28px;font-weight:900;color:#fff;letter-spacing:-.01em}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62)}
.hero-side{display:block}
.side-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:26px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.side-title{font-size:15px;font-weight:800;letter-spacing:.06em;color:#5FE0D2;margin-bottom:16px}
.side-list li+li{border-top:1px solid rgba(255,255,255,.12)}
.side-list a{
  display:flex;align-items:center;gap:14px;padding:16px 4px;color:#fff;
}
.side-list a:hover{color:#5FE0D2}
.side-idx{font-family:var(--font-num);font-size:13px;color:var(--accent);font-weight:700;width:22px;flex-shrink:0}
.side-list strong{display:block;font-size:15px;font-weight:700}
.side-list em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6}
.side-list i{margin-left:auto;font-size:12px;opacity:.7;transition:transform .22s ease}
.side-list a:hover i{transform:translateX(4px)}

/* ===== 价值主张条 ===== */
.value-bar{background:#fff;border-bottom:1px solid var(--border)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.value-item{display:flex;gap:16px;padding:34px 26px;border-left:1px solid var(--border);align-items:flex-start}
.value-item:first-child{border-left:0;padding-left:0}
.value-icon{
  width:44px;height:44px;border-radius:13px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-600);font-size:18px;
}
.value-item h3{font-size:16px;font-weight:800;margin-bottom:4px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ===== 功能 bento ===== */
.bento{display:grid;grid-template-columns:1.12fr .88fr;grid-template-rows:auto auto;gap:24px}
.bento-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:18px;
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.bento-main{grid-row:span 2}
.bento-media{position:relative;overflow:hidden;aspect-ratio:16/10}
.bento-main .bento-media{aspect-ratio:16/9}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.bento-card:hover .bento-media img{transform:scale(1.04)}
.bento-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.bento-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--dark);color:#5FE0D2;font-size:18px;
}
.bento-card h3{font-size:21px;font-weight:800}
.bento-main h3{font-size:26px}
.bento-card p{color:var(--muted);font-size:15px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--paper);border:1px solid var(--border);color:var(--muted);
  font-size:12.5px;font-weight:600;
}
.tag--accent{background:var(--accent-soft);border-color:rgba(255,122,26,.28);color:#C4580C}
.tag--primary{background:var(--primary-soft);border-color:rgba(18,184,166,.3);color:var(--primary-600)}

/* ===== 使用场景 ===== */
.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--border);margin-bottom:34px}
.tab{
  position:relative;border:0;background:transparent;cursor:pointer;
  padding:16px 22px;font-size:16px;font-weight:700;color:var(--muted);
  transition:color .2s ease;min-height:48px;
}
.tab:hover{color:var(--text)}
.tab.is-active{color:var(--text)}
.tab.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:3px;
  background:var(--primary);border-radius:3px;
}
.tabpanel{display:none}
.tabpanel.is-active{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center;animation:fadeUp .32s ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.scene-media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border)}
.scene-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.scene-body h3{font-size:24px;font-weight:900;margin-bottom:12px}
.scene-body>p{color:var(--muted);margin-bottom:20px}
.scene-points{display:flex;flex-direction:column;gap:14px}
.scene-points li{display:flex;gap:14px;align-items:flex-start}
.scene-points .dot{
  width:28px;height:28px;border-radius:9px;flex-shrink:0;margin-top:2px;
  background:var(--primary-soft);color:var(--primary-600);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;font-family:var(--font-num);
}
.scene-points strong{display:block;font-size:15.5px;font-weight:800}
.scene-points span{font-size:14px;color:var(--muted)}

/* ===== 案例 ===== */
.case-row{align-items:center;margin-bottom:64px}
.case-row:last-child{margin-bottom:0}
.case-media{border-radius:18px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.case-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.case-copy{padding:8px 0}
.case-copy h3{font-size:clamp(22px,2.4vw,28px);font-weight:900;margin-bottom:14px}
.case-copy p{color:var(--muted)}
.case-metrics{display:flex;gap:34px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--border)}
.case-metrics div{display:flex;flex-direction:column}
.case-metrics strong{font-family:var(--font-num);font-size:26px;font-weight:900;color:var(--primary-600)}
.case-metrics span{font-size:13px;color:var(--muted)}

/* ===== 方案对比 ===== */
.plan-wrap{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:auto;box-shadow:var(--shadow)}
table.plan-table{width:100%;border-collapse:collapse;background:#fff;margin:0;min-width:760px}
table.plan-table th,table.plan-table td{
  padding:20px 22px;text-align:left;border-bottom:1px solid var(--border);
  font-size:15px;vertical-align:middle;
}
table.plan-table thead th{
  background:var(--paper);font-size:15px;font-weight:800;color:var(--text);
  border-bottom:1px solid var(--border);
}
table.plan-table thead th small{display:block;font-weight:500;font-size:12.5px;color:var(--muted);margin-top:4px}
table.plan-table tbody th{font-weight:700;color:var(--muted);width:180px;background:#fff;font-size:14px}
table.plan-table td{color:var(--text)}
table.plan-table tr:last-child th,table.plan-table tr:last-child td{border-bottom:0}
.col-featured{background:rgba(18,184,166,.055)!important;position:relative}
thead .col-featured{border-top:3px solid var(--primary)}
th.col-featured .rec-badge{
  display:inline-flex;align-items:center;gap:6px;margin-left:8px;padding:3px 10px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;
}
.plan-cta{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--border);font-size:14px;font-weight:700;color:var(--text);transition:all .2s ease;
}
.plan-cta:hover{border-color:var(--primary);color:var(--primary-600);background:var(--primary-soft)}
.plan-cta--solid{background:var(--primary);border-color:var(--primary);color:#fff}
.plan-cta--solid:hover{background:var(--primary-600);border-color:var(--primary-600);color:#fff}

/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body .badge{
  align-self:flex-start;padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary-600);font-size:12.5px;font-weight:700;
}
.news-body h3{font-size:18px;font-weight:800;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--primary-600)}
.news-body p{font-size:14.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
  font-size:13px;color:var(--muted);
}
.news-more{color:var(--primary-600);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-more i{transform:translateX(4px)}
.news-more i{transition:transform .22s ease}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;background:#fff;border:1px dashed var(--border);border-radius:18px;color:var(--muted);
}
.empty-state i{font-size:30px;color:var(--primary)}

/* ===== FAQ ===== */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:14px;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(18,184,166,.5)}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:800;min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--primary-600);font-size:14px;transition:transform .26s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.5px}

/* ===== CTA ===== */
.cta-block{position:relative;overflow:hidden;border-radius:22px;background:var(--dark);color:#fff}
.cta-block>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.cta-block::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(12,13,16,.94),rgba(12,13,16,.62))}
.cta-inner{position:relative;z-index:2;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);font-weight:900;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);max-width:38em}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text strong{color:#fff;font-size:18px}
.footer-brand .brand-text em{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;margin-top:18px;max-width:30em;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;position:relative;display:inline-block}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--primary);
  transition:width .25s ease;
}
.footer-col a:hover{color:#fff}
.footer-col a:hover::after{width:100%}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a{
  padding:5px 12px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;transition:all .2s ease;
}
.footer-tags a:hover{border-color:var(--primary);color:#5FE0D2}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  :root{--section-y:64px;--gut:22px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero h1{max-width:none}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .value-item:nth-child(3){border-left:0;padding-left:0}
  .value-item{border-top:1px solid var(--border)}
  .value-item:nth-child(-n+2){border-top:0}
  .bento{grid-template-columns:1fr;grid-template-rows:auto}
  .bento-main{grid-row:auto}
  .tabpanel.is-active{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-trends{display:none}
}
@media screen and (max-width:900px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .mainnav{
    position:fixed;top:0;right:0;height:100vh;width:min(86vw,360px);
    background:#fff;border-top:0;border-left:1px solid var(--border);
    transform:translateX(102%);transition:transform .3s ease-out;
    z-index:120;overflow-y:auto;padding:26px 22px 40px;
    box-shadow:-16px 0 40px rgba(12,13,16,.16);
  }
  .mainnav.is-open{transform:translateX(0)}
  .mainnav-inner{flex-direction:column;align-items:stretch;min-height:0;gap:22px}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:12px}
  .nav-link.is-active{color:var(--primary-600);background:var(--primary-soft)}
  .mobile-search{display:flex;flex-direction:row;align-items:center;gap:8px;
    background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:6px 6px 6px 14px}
  .mobile-search input{flex:1;border:0;background:transparent;outline:none;padding:9px 0;font-size:15px;min-width:0}
  .mobile-search button{border:0;background:var(--dark);color:#fff;border-radius:9px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer}
  .nav-trends{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
  body.nav-open{overflow:hidden}
}
@media screen and (max-width:768px){
  :root{--section-y:56px;--gut:18px}
  body{font-size:16px}
  .topbar-inner{min-height:64px;gap:14px}
  .brand-text em{display:none}
  .brand-text strong{font-size:15.5px}
  .section-head{margin-bottom:34px}
  .value-grid{grid-template-columns:1fr}
  .value-item{border-left:0;padding:24px 0}
  .value-item{padding-left:0}
  .hero{padding:56px 0 48px}
  .hero-stats{gap:24px}
  .hero-stats strong{font-size:23px}
  .hero-actions .btn{flex:1 1 100%}
  .news-grid{grid-template-columns:1fr}
  .case-row{margin-bottom:44px}
  .case-copy{padding-top:8px}
  .cta-inner{padding:38px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .tabs{gap:0;overflow-x:auto;flex-wrap:nowrap}
  .tab{white-space:nowrap}
  table.plan-table th,table.plan-table td{padding:16px}
}
@media screen and (max-width:520px){
  .brand-mark{width:38px;height:38px;font-size:18px;border-radius:12px}
  .hero h1{font-size:30px}
  .side-card{padding:20px}
  .case-metrics{gap:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#12B8A6;
  --c-primary-dark:#0E9A8B;
  --c-primary-soft:rgba(18,184,166,.10);
  --c-accent:#FF7A1A;
  --c-accent-soft:rgba(255,122,26,.12);
  --c-dark:#0C0D10;
  --c-dark-2:#15171C;
  --c-bg:#F6F4EF;
  --c-card:#FFFFFF;
  --c-border:#E6E1D6;
  --c-text:#16171A;
  --c-muted:#5C5F66;
  --c-muted-2:#8A8E96;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(12,13,16,.06);
  --sh-2:0 16px 40px rgba(12,13,16,.12);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sp-7:96px;
  --container:1240px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"DIN Alternate","Space Grotesk","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  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-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(18,184,166,.45);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn i{transition:transform .22s ease;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(18,184,166,.28);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,184,166,.34);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-dark{background:var(--c-dark);color:#fff;}
.btn-dark:hover{background:#000;color:#fff;transform:translateY(-2px);}
.btn-dark:hover i{transform:translateX(4px);}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-border);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(1px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .26s ease,background .26s ease;
  backdrop-filter:saturate(180%) blur(8px);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(12,13,16,.09);}
.topbar-inner{display:flex;align-items:center;gap:24px;height:74px;transition:height .26s ease;}
.site-header.is-scrolled .topbar-inner{height:62px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary) 0%,#0C8F84 60%,var(--c-accent) 140%);
  color:#fff;font-size:20px;font-weight:900;letter-spacing:0;
  box-shadow:0 6px 16px rgba(18,184,166,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text strong{font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--c-text);}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-muted-2);letter-spacing:.02em;}
.nav-search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:420px;
  background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,184,166,.12);}
.nav-search i{color:var(--c-muted-2);font-size:14px;}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;color:var(--c-text);outline:none;padding:6px 0;
}
.nav-search input::placeholder{color:var(--c-muted-2);}
.nav-search button{
  flex:0 0 auto;padding:9px 20px;border-radius:var(--r-pill);
  background:var(--c-dark);color:#fff;font-size:14px;font-weight:700;transition:background .22s ease;
}
.nav-search button:hover{background:var(--c-primary);}
.nav-toggle{
  display:none;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-border);font-size:14px;font-weight:700;color:var(--c-text);background:#fff;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mainnav{border-top:1px solid var(--c-border);background:rgba(255,255,255,.92);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:54px;}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-muted);position:relative;transition:all .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-text);background:var(--c-bg);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-text);font-weight:800;background:var(--c-primary-soft);}
.nav-trends{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-muted-2);}
.nav-trends .trends-label{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-accent);}
.nav-trends a{color:var(--c-muted);padding:5px 10px;border-radius:var(--r-pill);background:var(--c-bg);transition:all .22s ease;}
.nav-trends a:hover{color:#fff;background:var(--c-primary);}
.mobile-search{display:none;align-items:center;gap:8px;width:100%;background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-pill);padding:6px 6px 6px 16px;margin-bottom:16px;}
.mobile-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;outline:none;padding:6px 0;}
.mobile-search button{padding:9px 18px;border-radius:var(--r-pill);background:var(--c-dark);color:#fff;font-size:14px;font-weight:700;}
.mobile-search i{color:var(--c-muted-2);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:#14161B url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:52px 0 60px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(9,10,13,.94) 0%,rgba(9,10,13,.82) 52%,rgba(9,10,13,.62) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.92);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-cat{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(18,184,166,.16);border:1px solid rgba(18,184,166,.42);
  color:#5FE4D6;font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:18px;
}
.article-hero h1{
  color:#fff;font-size:clamp(26px,3.4vw,44px);font-weight:900;letter-spacing:-.02em;line-height:1.28;
  max-width:960px;margin-bottom:22px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:rgba(255,255,255,.66);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--c-primary);font-size:13px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.28);display:inline-block;}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;}
.article-main{min-width:0;}

.article-cover{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);
  background:#EDEAE2;box-shadow:var(--sh-1);margin-bottom:36px;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.article-cover:hover img{transform:scale(1.02);}

.article-body{
  max-width:780px;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.88;color:#22242A;
}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 22px;color:#2B2E35;}
.article-body h2{
  font-size:clamp(21px,2.2vw,27px);font-weight:900;letter-spacing:-.015em;
  margin:44px 0 18px;padding-left:16px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.article-body h3{font-size:20px;font-weight:800;margin:32px 0 14px;color:#16171A;}
.article-body h4{font-size:17px;font-weight:800;margin:24px 0 12px;color:#16171A;}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:11px;color:#2B2E35;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--c-primary);transform:rotate(45deg);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:11px;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#1F4A46;font-size:16px;line-height:1.82;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:26px 0 12px;width:100%;border:1px solid var(--c-border);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted-2);text-align:center;margin-top:4px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-border);text-align:left;}
.article-body th{background:var(--c-bg);font-weight:800;color:#16171A;}
.article-body tr:last-child td{border-bottom:0;}
.article-body strong{font-weight:800;color:#111;}
.article-body a{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:36px 0;}

.empty-state{
  max-width:780px;background:var(--c-card);border:1px dashed var(--c-border);
  border-radius:var(--r-lg);padding:64px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--c-muted);margin-bottom:24px;font-size:15.5px;}
.empty-state .btn{margin:0 6px;}

/* ---------- 侧边栏 ---------- */
.article-aside{position:sticky;top:150px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.aside-card h3{
  font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--c-muted-2);
  text-transform:uppercase;margin-bottom:16px;
}
.aside-card h3 i{color:var(--c-primary);margin-right:6px;}
.aside-list li{margin-bottom:10px;}
.aside-list li:last-child{margin-bottom:0;}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);background:var(--c-bg);
  font-size:14.5px;font-weight:600;color:var(--c-text);transition:all .22s ease;
}
.aside-list a i{color:var(--c-muted-2);font-size:12px;transition:transform .22s ease,color .22s ease;}
.aside-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.aside-list a:hover i{color:var(--c-primary);transform:translateX(3px);}
.aside-note{font-size:13.5px;color:var(--c-muted);line-height:1.75;}
.aside-note strong{color:var(--c-text);}
.backtop-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:12px 16px;border-radius:var(--r-pill);border:1px solid var(--c-border);
  background:#fff;font-size:14px;font-weight:700;color:var(--c-text);transition:all .22s ease;
}
.backtop-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}

/* ---------- 通用板块标题 ---------- */
.section{padding:var(--sp-6) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent);}
.section-head h2{font-size:clamp(23px,2.6vw,34px);font-weight:900;letter-spacing:-.02em;}
.section-head p{color:var(--c-muted);font-size:15px;margin-top:10px;max-width:620px;}
.section-head .head-link{font-size:14.5px;font-weight:700;color:var(--c-primary-dark);display:inline-flex;align-items:center;gap:7px;}
.section-head .head-link i{transition:transform .22s ease;font-size:12px;}
.section-head .head-link:hover{color:var(--c-accent);}
.section-head .head-link:hover i{transform:translateX(4px);}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.rel-thumb{position:relative;overflow:hidden;background:#EDEAE2;}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(12,13,16,.72);color:#fff;font-size:12px;font-weight:700;
  backdrop-filter:blur(4px);
}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-body h3{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card:hover .rel-body h3{color:var(--c-primary-dark);}
.rel-body p{font-size:14px;color:var(--c-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--c-muted-2);}
.rel-foot .more{font-weight:700;color:var(--c-primary-dark);display:inline-flex;align-items:center;gap:6px;}
.rel-foot .more i{font-size:11px;transition:transform .22s ease;}
.rel-card:hover .rel-foot .more i{transform:translateX(3px);}

/* ---------- 尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#101216 url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:56px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,11,14,.95) 0%,rgba(10,11,14,.78) 58%,rgba(10,11,14,.5) 100%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:900;margin-bottom:12px;letter-spacing:-.02em;}
.cta-band p{color:rgba(255,255,255,.7);font-size:15.5px;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:var(--sp-6);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.01em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66);position:relative;}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:9px;}
.footer-tags a{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.72);transition:all .22s ease;
}
.footer-tags a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .48s ease-out,transform .48s ease-out;}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-card{flex:1 1 260px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media screen and (max-width:900px){
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mainnav-inner{flex-direction:column;align-items:stretch;padding-top:14px;padding-bottom:16px;}
  .mainnav{display:none;}
  .mainnav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{padding:12px 16px;border-radius:var(--r-sm);font-size:15.5px;}
  .nav-link::after{display:none;}
  .nav-trends{flex-wrap:wrap;gap:8px;padding-top:10px;border-top:1px dashed var(--c-border);}
  .mobile-search{display:flex;}
  .topbar-inner{height:66px;gap:14px;}
  .site-header.is-scrolled .topbar-inner{height:60px;}
  .brand-text em{display:none;}
}
@media screen and (max-width:820px){
  .cta-band{padding:40px 28px;}
  .article-body{padding:32px 24px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1/-1;}
}
@media screen and (max-width:560px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .article-hero{padding:36px 0 44px;}
  .article-meta{gap:8px 16px;font-size:13px;}
  .article-wrap{padding:36px 0 52px;}
  .article-body{padding:26px 18px;font-size:16px;}
  .breadcrumb .current{white-space:normal;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .empty-state{padding:44px 20px;}
  .aside-card{padding:20px;}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --brand:#12B8A6;
  --brand-dark:#0E9A8B;
  --brand-soft:rgba(18,184,166,.10);
  --accent:#FF7A1A;
  --accent-soft:rgba(255,122,26,.12);
  --ink:#16171A;
  --ink-soft:#5C5F66;
  --ink-mute:#8A8D94;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E6E1D6;
  --dark:#0C0D10;
  --dark-soft:#16181D;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:8px;
  --shadow:0 8px 24px rgba(12,13,16,.06);
  --shadow-hover:0 16px 36px rgba(12,13,16,.14);
  --container:1240px;
  --sec-space:clamp(48px,7vw,96px);
  --font-num:"DIN Alternate","Space Grotesk","Noto Sans SC",system-ui,sans-serif;
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;letter-spacing:-0.015em;font-weight:800;}
p{margin:0;}
strong{font-weight:800;}
:focus-visible{outline:3px solid rgba(18,184,166,.5);outline-offset:2px;border-radius:6px;}

/* ========== 容器与排版 ========== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-space) 0;}
.section--tight{padding:clamp(36px,5vw,64px) 0;}
.section--paper{background:#fff;}
.section--dark{background:var(--dark);color:#fff;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);text-transform:uppercase;
  background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px);}
.sec-title{font-size:clamp(24px,3.2vw,38px);font-weight:900;letter-spacing:-0.02em;}
.sec-desc{margin-top:14px;color:var(--ink-soft);font-size:16px;line-height:1.85;}
.section--dark .sec-desc{color:rgba(255,255,255,.72);}
.section--dark .sec-kicker{background:rgba(18,184,166,.16);color:#7FE3D6;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;
  transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
  min-height:46px;
}
.btn i,.btn .arr{transition:transform .22s ease-out;}
.btn:hover i,.btn:hover .arr{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(18,184,166,.28);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,184,166,.34);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,26,.26);}
.btn-accent:hover{background:#E96A0D;color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04);}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-block{width:100%;}

/* ========== 标签 / 徽章 ========== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag--accent{background:var(--accent-soft);color:#C2560B;}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--ink-soft);}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out,background-color .25s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(12,13,16,.08);}
.topbar-inner{
  display:flex;align-items:center;gap:20px;
  min-height:74px;
  transition:min-height .25s ease-out;
}
.site-header.is-scrolled .topbar-inner{min-height:62px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:13px;
  background:linear-gradient(140deg,var(--brand),#0B8E81);
  color:#fff;font-weight:900;font-size:20px;
  box-shadow:0 6px 16px rgba(18,184,166,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:900;letter-spacing:-0.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-mute);letter-spacing:.02em;}
.nav-search{
  flex:1 1 auto;max-width:430px;margin-left:auto;
  display:flex;align-items:center;gap:10px;
  padding:6px 6px 6px 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease-out,background-color .2s ease-out;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(18,184,166,.10);}
.nav-search i{color:var(--ink-mute);font-size:14px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:14px;padding:8px 0;min-width:0;
}
.nav-search button{
  padding:9px 18px;border-radius:999px;background:var(--ink);color:#fff;
  font-size:13px;font-weight:700;transition:background-color .2s ease-out;
}
.nav-search button:hover{background:var(--brand);}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:11px 18px;border:1px solid var(--line);border-radius:999px;
  font-size:14px;font-weight:700;background:#fff;
  min-height:44px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}
.mainnav{border-top:1px solid var(--line);background:#fff;}
.mainnav-inner{display:flex;align-items:center;gap:20px;min-height:56px;}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:700;color:var(--ink-soft);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand-dark);background:var(--brand-soft);}
.nav-trends{
  margin-left:auto;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--ink-mute);white-space:nowrap;
}
.trends-label{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--accent);}
.nav-trends a{color:var(--ink-soft);font-weight:600;border-bottom:1px solid transparent;}
.nav-trends a:hover{color:var(--brand-dark);border-bottom-color:var(--brand);}
.mobile-search{display:none;}

/* ========== 面包屑 ========== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#7FE3D6;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#7FE3D6;font-weight:700;}

/* ========== 栏目头 ========== */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  padding:clamp(48px,6vw,84px) 0 clamp(56px,7vw,96px);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,13,16,.94) 0%,rgba(12,13,16,.82) 48%,rgba(12,13,16,.58) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(28px,4vw,60px);align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  padding:7px 15px;border-radius:999px;
  background:rgba(18,184,166,.16);color:#7FE3D6;margin-bottom:20px;
}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:900;letter-spacing:-0.02em;line-height:1.18;
}
.hero-title span{color:#7FE3D6;}
.hero-sub{
  margin-top:20px;font-size:clamp(15px,1.4vw,17.5px);
  color:rgba(255,255,255,.76);line-height:1.9;max-width:620px;
}
.hero-sub b{color:#fff;font-weight:700;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:38px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats li strong{
  display:block;font-family:var(--font-num);
  font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#7FE3D6;letter-spacing:-0.02em;
}
.hero-stats li span{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:4px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-float{
  position:absolute;left:18px;bottom:-22px;
  background:#fff;color:var(--ink);border-radius:var(--radius-sm);
  padding:14px 18px;box-shadow:0 16px 34px rgba(0,0,0,.28);
  display:flex;align-items:center;gap:12px;max-width:88%;
}
.hero-float i{
  width:36px;height:36px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);
}
.hero-float strong{display:block;font-size:14px;}
.hero-float span{display:block;font-size:12px;color:var(--ink-mute);}

/* ========== 介绍 + 数据块 ========== */
.intro-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:clamp(26px,4vw,56px);align-items:start;
}
.intro-copy p{color:var(--ink-soft);font-size:16.5px;line-height:1.95;}
.intro-copy p + p{margin-top:16px;}
.intro-copy b{color:var(--ink);font-weight:700;}
.fact-list{display:grid;gap:14px;}
.fact-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.fact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.fact-item i{
  width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);
}
.fact-item h3{font-size:15.5px;font-weight:800;}
.fact-item p{font-size:13.5px;color:var(--ink-soft);margin-top:4px;line-height:1.7;}

/* ========== 筛选条 ========== */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:32px;
}
.filter-bar .filter-label{font-size:13px;font-weight:800;color:var(--ink-mute);margin-right:4px;}
.filter-chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  font-size:13.5px;font-weight:700;color:var(--ink-soft);background:#fff;
  transition:all .2s ease-out;min-height:40px;display:inline-flex;align-items:center;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ========== 卡片网格 ========== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.2vw,28px);}
.guide-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.guide-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDEAE2;}
.guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out;}
.guide-card:hover .guide-thumb img{transform:scale(1.05);}
.guide-thumb .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--brand-dark);box-shadow:0 4px 12px rgba(0,0,0,.12);}
.guide-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.guide-body h3{
  font-size:18px;font-weight:800;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease-out;
}
.guide-card:hover .guide-body h3{color:var(--brand-dark);}
.guide-body p{
  margin-top:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--ink-mute);
}
.guide-meta span{display:inline-flex;align-items:center;gap:6px;}
.guide-meta i{color:var(--brand);}
.guide-link{
  margin-top:14px;font-size:13.5px;font-weight:800;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:7px;
}
.guide-link .arr{transition:transform .22s ease-out;}
.guide-card:hover .guide-link .arr{transform:translateX(4px);}

/* ========== 分页 ========== */
.pager{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:10px;margin-top:clamp(32px,4vw,48px);
}
.pager-link{
  min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 16px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:700;color:var(--ink-soft);
  transition:all .2s ease-out;
}
.pager-link:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.pager-link.is-current{background:var(--ink);border-color:var(--ink);color:#fff;}
.pager-link.is-disabled{opacity:.45;pointer-events:none;}
.pager-gap{color:var(--ink-mute);padding:0 4px;}

/* ========== 流程步骤 ========== */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,24px);}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.step-num{
  font-family:var(--font-num);font-size:30px;font-weight:900;
  color:var(--brand);letter-spacing:-0.02em;line-height:1;
}
.step-card h3{font-size:17px;font-weight:800;margin-top:14px;}
.step-card p{margin-top:9px;font-size:14px;color:var(--ink-soft);line-height:1.8;}
.step-card::after{
  content:"";position:absolute;right:-11px;top:44px;width:22px;height:2px;
  background:var(--line);
}
.step-card:last-child::after{display:none;}

/* ========== FAQ ========== */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
  font-size:16px;font-weight:800;color:var(--ink);min-height:44px;
}
.faq-q i{color:var(--brand);transition:transform .25s ease-out;flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease-out,padding .3s ease-out;
  padding:0 22px;
}
.faq-item.is-open .faq-a{max-height:320px;padding:0 22px 22px;}
.faq-a p{font-size:14.5px;color:var(--ink-soft);line-height:1.9;}

/* ========== 页脚前 CTA ========== */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--dark);color:#fff;
  padding:clamp(34px,5vw,60px);
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:28px;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,13,16,.92),rgba(12,13,16,.66));
}
.cta-copy,.cta-actions{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(22px,2.8vw,32px);font-weight:900;letter-spacing:-0.02em;}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ========== 页脚 ========== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:clamp(48px,6vw,72px) 0 28px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,3.5vw,48px);
}
.footer-brand .brand{margin-bottom:18px;}
.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:1.9;color:rgba(255,255,255,.6);max-width:400px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-col ul li + li{margin-top:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);border-bottom:1px solid transparent;transition:color .2s ease-out,border-color .2s ease-out;}
.footer-col a:hover{color:#7FE3D6;border-bottom-color:#7FE3D6;}
.footer-tags{display:flex;flex-wrap:wrap;gap:9px;}
.footer-tags a{
  font-size:13px;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  color:rgba(255,255,255,.72);
}
.footer-tags a:hover{background:rgba(18,184,166,.18);border-color:rgba(18,184,166,.5);color:#7FE3D6;}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ========== 动效 ========== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .3s ease-out,transform .3s ease-out;}
.reveal.is-visible{opacity:1;transform:none;}

/* ========== 响应式 ========== */
@media screen and (max-width:1100px){
  .nav-search{max-width:300px;}
  .nav-trends{display:none;}
}
@media screen and (max-width:1024px){
  .topbar-inner{min-height:66px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mainnav{display:none;}
  .mainnav.is-open{display:block;}
  .mainnav-inner{flex-direction:column;align-items:stretch;padding-top:8px;padding-bottom:18px;gap:12px;}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px;}
  .mobile-search{
    display:flex;align-items:center;gap:10px;
    padding:6px 6px 6px 16px;background:var(--bg);
    border:1px solid var(--line);border-radius:999px;
  }
  .mobile-search input{flex:1 1 auto;border:0;background:transparent;outline:none;font-size:14px;padding:9px 0;min-width:0;}
  .mobile-search button{padding:10px 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-float{position:static;margin-top:14px;box-shadow:none;border:1px solid var(--line);color:var(--ink);}
  .intro-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-card::after{display:none;}
  .cta-block{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;font-size:18px;border-radius:11px;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .hero-stats li{display:flex;align-items:baseline;gap:10px;}
  .hero-stats li strong{font-size:20px;}
  .hero-stats li span{margin-top:0;}
  .card-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .filter-bar{padding:14px;gap:8px;}
  .filter-chip{padding:9px 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  body{font-size:15.5px;}
  .hero-title{font-size:26px;line-height:1.3;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .guide-body{padding:18px;}
  .faq-q{font-size:15px;padding:18px;}
  .pager-link{min-width:42px;padding:0 12px;font-size:13px;}
}

/* ========== 动效降级 ========== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#12B8A6;
  --c-primary-d:#0E9488;
  --c-primary-soft:#E4F7F4;
  --c-accent:#FF7A1A;
  --c-accent-soft:#FFF1E5;
  --c-accent-d:#C4550C;
  --c-ink:#0C0D10;
  --c-paper:#F6F4EF;
  --c-card:#FFFFFF;
  --c-border:#E6E1D6;
  --c-text:#16171A;
  --c-muted:#5C5F66;
  --c-white:#FFFFFF;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(12,13,16,.06);
  --sh-2:0 16px 40px rgba(12,13,16,.12);
  --container:1240px;
  --sec-y:clamp(48px,6.5vw,92px);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","DIN Alternate",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary-d);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-accent)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(18,184,166,.55);outline-offset:2px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:clamp(16px,3vw,28px);
  padding-right:clamp(16px,3vw,28px);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(12,13,16,.08);background:rgba(246,244,239,.98)}
.topbar{padding:14px 0;transition:padding .25s ease}
.site-header.is-scrolled .topbar{padding:8px 0}
.topbar-inner{display:flex;align-items:center;gap:clamp(16px,2.4vw,32px)}
.brand{display:flex;align-items:center;gap:12px;color:inherit;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:13px;
  background:linear-gradient(135deg,#12B8A6 0%,#0E9488 65%,#0C8C82 100%);
  color:#fff;
  display:grid;place-items:center;
  font-weight:900;font-size:20px;
  box-shadow:0 8px 18px rgba(18,184,166,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:900;letter-spacing:-.01em;color:var(--c-text)}
.brand-text em{font-size:12px;color:var(--c-muted);font-style:normal;letter-spacing:.01em}
.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:440px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-pill);
  padding:5px 5px 5px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,184,166,.16)}
.nav-search i{color:var(--c-muted);font-size:13px}
.nav-search input{
  flex:1 1 auto;min-width:0;
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--c-text);
  padding:8px 0;
}
.nav-search input::placeholder{color:#9A9CA3}
.nav-search button{
  border:0;border-radius:var(--r-pill);
  background:var(--c-ink);color:#fff;
  padding:9px 20px;font-size:14px;font-weight:700;
  transition:background-color .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  border:1px solid var(--c-border);
  background:#fff;color:var(--c-text);
  border-radius:var(--r-pill);
  padding:10px 18px;font-size:14px;font-weight:700;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-d)}
.mainnav{
  border-top:1px solid var(--c-border);
  background:rgba(255,255,255,.55);
}
.mainnav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:54px;flex-wrap:wrap;
}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-link{
  display:block;
  padding:8px 16px;
  border-radius:var(--r-pill);
  color:var(--c-muted);
  font-size:15px;font-weight:600;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--c-primary-d);background:var(--c-primary-soft)}
.nav-link.is-active{color:#fff;background:var(--c-primary);box-shadow:0 6px 16px rgba(18,184,166,.28)}
.nav-link.is-active:hover{color:#fff;background:var(--c-primary-d)}
.nav-trends{display:flex;align-items:center;gap:16px;font-size:13px}
.trends-label{color:var(--c-muted);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.trends-label i{color:var(--c-accent)}
.nav-trends a{
  color:var(--c-muted);
  border-bottom:1px dashed transparent;
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.nav-trends a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.mobile-search{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn i{transition:transform .2s ease}
.btn:hover i{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 12px 26px rgba(18,184,166,.3)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 12px 26px rgba(255,122,26,.28)}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--c-ink);color:#fff}
.btn-dark:hover{background:#22242B;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--c-text);border-color:var(--c-border)}
.btn-outline:hover{color:var(--c-primary-d);border-color:var(--c-primary);transform:translateY(-2px)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0}
.section-alt{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px)}
.section-head h2{font-size:clamp(24px,3.1vw,38px);font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.section-head p{color:var(--c-muted);font-size:16px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--c-primary-d);
  background:var(--c-primary-soft);
  border-radius:var(--r-pill);
  padding:6px 15px;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;
  border-radius:6px;
  background:var(--c-primary-soft);
  color:var(--c-primary-d);
  font-size:12px;font-weight:700;
  letter-spacing:.01em;
}
.tag-accent{background:var(--c-accent-soft);color:var(--c-accent-d)}
.tag-plain{background:#F1EFE9;color:var(--c-muted)}

/* ============ 专题头 ============ */
.topic-hero{
  position:relative;
  color:#fff;
  background:var(--c-ink);
  overflow:hidden;
  isolation:isolate;
}
.topic-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.5;
  z-index:-2;
}
.topic-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(12,13,16,.94) 0%,rgba(12,13,16,.76) 46%,rgba(12,13,16,.42) 100%);
  z-index:-1;
}
.topic-hero .container{
  padding-top:clamp(44px,6vw,84px);
  padding-bottom:clamp(44px,6vw,84px);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.42)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;
  padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(18,184,166,.18);
  border:1px solid rgba(18,184,166,.42);
  color:#8FE7DC;
  margin-bottom:20px;
}
.topic-hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.16;
  max-width:900px;
  margin-bottom:20px;
}
.hero-sub{
  max-width:660px;
  font-size:clamp(15px,1.5vw,17px);
  color:rgba(255,255,255,.82);
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,32px);
  max-width:760px;
  margin-top:clamp(32px,4vw,48px);
  padding-top:clamp(22px,3vw,32px);
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .num{
  font-family:var(--font-num);
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:#fff;
  line-height:1.2;
  letter-spacing:-.01em;
}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.64);margin-top:4px}

/* ============ 杂志式双栏 ============ */
.mag-grid{
  display:grid;
  grid-template-columns:290px minmax(0,1fr);
  gap:clamp(24px,3.6vw,48px);
  align-items:start;
}
.mag-aside{
  position:sticky;
  top:148px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:24px 22px;
  box-shadow:var(--sh-1);
}
.mag-aside h3{font-size:16px;font-weight:900;margin-bottom:6px}
.mag-aside .aside-desc{font-size:13px;color:var(--c-muted);margin-bottom:18px}
.index-list li + li{margin-top:4px}
.index-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 12px;
  border-radius:12px;
  color:var(--c-text);
  font-size:15px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.index-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-d);transform:translateX(2px)}
.index-list .count{
  font-family:var(--font-num);
  font-size:12px;font-weight:700;
  color:var(--c-muted);
  background:#F3F1EB;
  border-radius:var(--r-pill);
  padding:2px 9px;
}
.aside-note{
  margin-top:20px;padding-top:18px;
  border-top:1px dashed var(--c-border);
  font-size:13px;color:var(--c-muted);
}
.entry-stream{display:flex;flex-direction:column;gap:22px}
.entry-item{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:24px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--sh-1);
  scroll-margin-top:160px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary)}
.entry-thumb{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:#EFEDE7;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-item:hover .entry-thumb img{transform:scale(1.05)}
.entry-body{display:flex;flex-direction:column;gap:11px;min-width:0}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-muted)}
.entry-meta span{display:inline-flex;align-items:center;gap:6px}
.entry-body h3{font-size:clamp(18px,2vw,22px);font-weight:800;line-height:1.45}
.entry-body h3 a{color:inherit}
.entry-item:hover .entry-body h3 a{color:var(--c-primary-d)}
.entry-body p{margin:0;color:var(--c-muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.entry-more{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;
  color:var(--c-primary-d);
}
.entry-more i{transition:transform .2s ease}
.entry-more:hover i{transform:translateX(4px)}

/* ============ 排行表 ============ */
.rank-wrap{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.rank-row{
  display:grid;
  grid-template-columns:64px minmax(0,2.2fr) minmax(0,1.1fr) minmax(0,1.2fr) 108px;
  gap:18px;
  align-items:center;
  padding:18px 26px;
  border-bottom:1px solid var(--c-border);
  transition:background-color .2s ease;
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:#FBF9F4}
.rank-head{
  background:#FAF8F3;
  font-size:13px;
  font-weight:700;
  color:var(--c-muted);
  letter-spacing:.02em;
  padding-top:14px;padding-bottom:14px;
}
.rank-head:hover{background:#FAF8F3}
.rank-no{
  font-family:var(--font-num);
  font-size:20px;font-weight:700;
  color:#B8B3A8;
}
.rank-row:nth-child(2) .rank-no{color:var(--c-accent)}
.rank-row:nth-child(3) .rank-no{color:var(--c-primary-d)}
.rank-name{font-size:16px;font-weight:700;color:var(--c-text)}
.rank-dir{font-size:14px;color:var(--c-muted)}
.rank-bar{height:6px;border-radius:var(--r-pill);background:#EDEAE2;overflow:hidden}
.rank-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.rank-time{font-size:13px;color:var(--c-muted);text-align:right}

/* ============ 流程 ============ */
.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.path-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:28px 22px 26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-accent)}
.path-no{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--c-ink);color:#fff;
  font-family:var(--font-num);
  font-size:15px;font-weight:700;
  display:grid;place-items:center;
  margin-bottom:18px;
}
.path-card:nth-child(2) .path-no{background:var(--c-primary)}
.path-card:nth-child(3) .path-no{background:#3C4049}
.path-card:nth-child(4) .path-no{background:var(--c-accent)}
.path-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.path-card p{font-size:14.5px;color:var(--c-muted);margin:0}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:940px}
.faq-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.faq-item summary{
  position:relative;
  cursor:pointer;
  list-style:none;
  padding:19px 58px 19px 22px;
  min-height:44px;
  display:flex;align-items:center;
  font-size:16px;font-weight:700;
  color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary-d)}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;right:24px;top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--c-primary-d);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:0 22px 22px;color:var(--c-muted);font-size:15.5px}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--c-ink);
  color:#fff;
  padding:clamp(32px,5vw,66px);
  isolation:isolate;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.3;
  z-index:-2;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,13,16,.95),rgba(12,13,16,.55));
  z-index:-1;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:clamp(22px,3vw,48px);
}
.cta-text{max-width:620px}
.cta-text h2{font-size:clamp(24px,3.1vw,36px);font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.cta-text p{color:rgba(255,255,255,.78);font-size:16px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding-top:clamp(48px,6vw,82px);
  margin-top:var(--sec-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(24px,3.4vw,44px);
  padding-bottom:clamp(32px,4vw,56px);
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.48)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:360px;margin:0}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.footer-col a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.footer-tags{display:flex;flex-wrap:wrap;gap:9px}
.footer-tags a{
  padding:7px 13px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  font-size:13px;
  color:rgba(255,255,255,.72);
  border-bottom:0;
}
.footer-tags a:hover{background:rgba(18,184,166,.2);color:#8FE7DC}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease-out,transform .55s ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .mag-grid{grid-template-columns:240px minmax(0,1fr)}
  .entry-item{grid-template-columns:210px minmax(0,1fr);gap:20px}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .mainnav{display:none}
  .mainnav.is-open{display:block}
  .mainnav-inner{
    flex-direction:column;
    align-items:stretch;
    min-height:0;
    padding:14px 0 20px;
    gap:16px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:13px 16px;border-radius:var(--r-md)}
  .nav-trends{
    flex-wrap:wrap;
    gap:12px;
    padding-top:16px;
    border-top:1px solid var(--c-border);
  }
  .mobile-search{
    display:flex;align-items:center;gap:8px;
    background:#fff;
    border:1px solid var(--c-border);
    border-radius:var(--r-pill);
    padding:5px 5px 5px 16px;
  }
  .mobile-search i{color:var(--c-muted);font-size:13px}
  .mobile-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px;padding:9px 0}
  .mobile-search button{border:0;border-radius:var(--r-pill);background:var(--c-ink);color:#fff;padding:9px 20px;font-size:14px;font-weight:700}
  .mobile-search button:hover{background:var(--c-primary-d)}
  .mag-grid{grid-template-columns:minmax(0,1fr)}
  .mag-aside{position:static;top:auto}
}
@media (max-width:768px){
  body{font-size:16px}
  .entry-item{grid-template-columns:minmax(0,1fr)}
  .entry-thumb{aspect-ratio:16/9}
  .rank-row{
    grid-template-columns:44px minmax(0,1fr) 92px;
    gap:12px;
    padding:16px 18px;
    row-gap:10px;
  }
  .rank-head{display:none}
  .rank-dir{grid-column:2 / 3;font-size:13px}
  .rank-bar{grid-column:2 / 4}
  .rank-time{grid-column:3 / 4;grid-row:1 / 2;align-self:center}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .brand-text em{display:none}
  .hero-stats{grid-template-columns:minmax(0,1fr)}
  .cta-band{border-radius:var(--r-lg)}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
}