/* roulang page: index */
:root{
  --brand:#1D66C9;
  --brand-700:#1650A0;
  --brand-50:#EAF2FD;
  --accent:#F2A33C;
  --teal:#0E9C8E;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --bg-soft:#EDF3FB;
  --line:#E3EAF3;
  --ink:#10203A;
  --muted:#5A6B82;
  --weak:#8A9AB0;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sd-1:0 1px 2px rgba(16,32,58,.04), 0 8px 24px rgba(16,32,58,.06);
  --sd-2:0 2px 6px rgba(16,32,58,.06), 0 16px 36px rgba(16,32,58,.10);
  --ease:all .2s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-xl{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{margin-bottom:24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--teal);background:#fff;border:1px solid rgba(14,156,142,.35);
  border-radius:999px;padding:5px 14px;letter-spacing:.02em;
}
.sec-title{font-size:30px;font-weight:700;letter-spacing:-.01em;margin-top:12px}
.sec-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:760px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:60px;background:#fff;
  border-bottom:1px solid var(--line);
}
.site-header .container-xl{height:60px;display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--brand-50);
  display:grid;place-items:center;color:var(--brand);flex:none;
}
.logo-mark svg{width:20px;height:20px}
.logo-em{color:var(--brand)}
.header-divider{width:1px;height:22px;background:var(--line);flex:none}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:4px 0;transition:var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-3px;height:2px;
  background:var(--brand);border-radius:2px;transition:var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;width:260px;height:38px;padding:0 6px 0 14px;
  background:var(--brand-50);border:1px solid transparent;border-radius:999px;transition:var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,102,201,.15);background:#fff}
.search-box input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:var(--weak)}
.search-box button{
  width:28px;height:28px;flex:none;border:0;border-radius:999px;background:var(--brand);
  color:#fff;display:grid;place-items:center;transition:var(--ease);
}
.search-box button:hover{background:var(--brand-700)}
.search-box button svg{width:14px;height:14px}
.hamburger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:none;place-items:center;color:var(--ink);transition:var(--ease);
}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
.hamburger svg{width:20px;height:20px}

.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:330px;background:#fff;
  z-index:100;transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  padding:22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;box-shadow:var(--sd-2);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:grid;place-items:center;color:var(--muted);
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 4px;
  font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,58,.42);z-index:99;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;transition:var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);box-shadow:var(--sd-1);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:rgba(29,102,201,.35);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-50);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-amber{background:var(--accent);border-color:var(--accent);color:#3A2400}
.btn-amber:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-amber:active{transform:translateY(1px)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}

.badge-cat{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  color:var(--teal);border:1px solid rgba(14,156,142,.4);border-radius:999px;padding:2px 10px;
  background:#fff;white-space:nowrap;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  color:var(--brand);background:var(--brand-50);border-radius:999px;padding:3px 11px;white-space:nowrap;
}
.badge-new{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;color:#3A2400;
  background:rgba(242,163,60,.9);border-radius:999px;padding:1px 8px;margin-left:8px;
}

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:auto auto -160px -160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(29,102,201,.10),rgba(29,102,201,0) 68%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:52px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.015em;
}
.hero h1 .hl{color:var(--brand)}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative}
.hero-media-inner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd-2);
  aspect-ratio:4/3;background:var(--bg-soft);
}
.hero-media-inner img{width:100%;height:100%;object-fit:cover}
.hero-media-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(245,248,252,.96) 0%,rgba(245,248,252,.5) 20%,rgba(245,248,252,0) 50%);
}
.hero-stats{
  position:absolute;left:-34px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sd-1);padding:14px 6px;display:flex;gap:2px;
}
.hero-stats .cell{padding:0 16px;text-align:center;border-right:1px solid var(--line)}
.hero-stats .cell:last-child{border-right:0}
.hero-stats .num{font-size:20px;font-weight:800;color:var(--brand)}
.hero-stats .lbl{font-size:12.5px;color:var(--weak);margin-top:2px}

/* ---------- channel strip ---------- */
.channel-strip{padding:0 0 8px}
.channel-scroll{
  display:flex;gap:12px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:thin;
}
.channel-scroll::-webkit-scrollbar{height:6px}
.channel-scroll::-webkit-scrollbar-thumb{background:#D5E1F0;border-radius:999px}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--muted);transition:var(--ease);white-space:nowrap;
}
.chip:hover{border-color:rgba(29,102,201,.4);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sd-1)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.chip.is-active .dot{background:#fff}

/* ---------- generic card ---------- */
.card-sd{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sd-1);transition:var(--ease);
}
.card-sd:hover{border-color:rgba(29,102,201,.28);box-shadow:var(--sd-2);transform:translateY(-3px)}

/* ---------- collection grid ---------- */
.collection-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.col-stack{display:grid;gap:24px;align-content:start}
.col-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-lg)}
.col-card.tall{min-height:100%}
.col-media{position:relative;overflow:hidden}
.col-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.col-card:hover .col-media img{transform:scale(1.04)}
.col-card.tall .col-media{aspect-ratio:16/9}
.col-card.short .col-media{aspect-ratio:16/7}
.col-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.col-title{font-size:20px;font-weight:700}
.col-desc{color:var(--muted);font-size:14px;margin-top:10px;flex:1}
.col-foot{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.col-count{font-size:13px;color:var(--weak)}
.col-date{font-size:13px;color:var(--weak);margin-left:auto}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:var(--ease)}
.link-more:hover{gap:10px}

/* ---------- featured mixed grid ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:22px}
.feature-main{grid-row:span 2;display:flex;flex-direction:column;overflow:hidden}
.feature-media{aspect-ratio:16/10;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.feature-main:hover .feature-media img{transform:scale(1.04)}
.feature-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-title{font-size:22px;font-weight:700}
.feature-title-sm{font-size:17px;font-weight:600}
.card-desc{color:var(--muted);font-size:14px}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px}
.card-time{font-size:12.5px;color:var(--weak)}
.feature-sm{padding:20px;display:flex;flex-direction:column;gap:8px}

/* ---------- stats band ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sd-1);overflow:hidden;
}
.stat-cell{padding:28px 24px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{font-size:30px;font-weight:800;color:var(--brand)}
.stat-num small{font-size:15px;font-weight:700;color:var(--brand);margin-left:2px}
.stat-lbl{font-size:14px;color:var(--ink);font-weight:600;margin-top:6px}
.stat-note{font-size:13px;color:var(--weak);margin-top:4px}

/* ---------- cms list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{padding:20px;display:flex;flex-direction:column;gap:10px;min-height:180px}
.post-link{display:block}
.post-title{font-size:17px;font-weight:600;line-height:1.5}
.post-link:hover .post-title{color:var(--brand)}
.post-card .card-meta{padding-top:12px;border-top:1px dashed var(--line)}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{width:38px;height:38px;color:var(--weak);margin:0 auto 14px}
.empty-state .es-title{font-size:17px;font-weight:600;color:var(--ink)}
.empty-state .es-note{font-size:14px;color:var(--muted);margin-top:6px}
.empty-state a{color:var(--brand);font-weight:600}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:var(--ease);position:relative;
}
.faq-item[open]{border-color:rgba(29,102,201,.3);background:var(--brand-50)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:18px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{
  width:24px;height:24px;flex:none;border-radius:8px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);position:relative;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-sign::before{width:11px;height:1.6px}
.faq-sign::after{width:1.6px;height:11px;transition:var(--ease)}
.faq-item[open] .faq-sign::after{transform:scaleY(0)}
.faq-item[open] .faq-sign{background:var(--brand);border-color:var(--brand);color:#fff}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px}

/* ---------- recommend slider ---------- */
.rec-scroll{display:flex;gap:20px;overflow-x:auto;padding:6px 0 18px;scroll-snap-type:x mandatory}
.rec-scroll::-webkit-scrollbar{height:6px}
.rec-scroll::-webkit-scrollbar-thumb{background:#D5E1F0;border-radius:999px}
.rec-card{
  flex:0 0 300px;scroll-snap-align:start;overflow:hidden;border-radius:var(--r-md);
  display:flex;flex-direction:column;
}
.rec-card .rec-media{aspect-ratio:16/9;overflow:hidden}
.rec-card .rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-media img{transform:scale(1.05)}
.rec-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;
  padding:28px 30px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
}
.cta-band .cta-title{font-size:20px;font-weight:700}
.cta-band .cta-note{font-size:14px;color:var(--muted);margin-top:4px}
.cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#0F1E33;color:rgba(255,255,255,.72);margin-top:8px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin-top:14px;max-width:330px}
.footer-h{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.7);transition:var(--ease)}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13.5px;
  color:rgba(255,255,255,.55);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .feature-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .feature-main{grid-row:auto;grid-column:span 2}
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2}
  .hero h1{font-size:34px}
  .hero-media-inner{aspect-ratio:16/9}
  .hero-stats{position:static;left:auto;bottom:auto;margin-top:18px;justify-content:space-between}
  .hero-stats .cell{flex:1}
  .main-nav,.search-box{display:none}
  .hamburger{display:grid}
  .collection-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:767px){
  .container-xl{padding:0 20px}
  .hero h1{font-size:30px}
  .sec-title{font-size:24px}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{grid-column:auto}
  .post-grid{grid-template-columns:1fr}
  .rec-card{flex:0 0 84%}
  .cta-band{padding:22px;flex-direction:column;align-items:flex-start}
  .cta-actions{margin-left:0;width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{font-size:16.5px;padding:16px 18px}
  .faq-body{padding:0 18px 18px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .card-sd:hover,.btn:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --brand:#1D66C9;
  --brand-700:#1650A0;
  --brand-50:#EAF2FD;
  --accent:#F2A33C;
  --teal:#0E9C8E;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --bg-soft:#EDF3FB;
  --line:#E3EAF3;
  --ink:#10203A;
  --muted:#5A6B82;
  --weak:#8A9AB0;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,32,58,.04),0 8px 24px rgba(16,32,58,.06);
  --shadow-md:0 2px 6px rgba(16,32,58,.06),0 16px 36px rgba(16,32,58,.10);
  --ease:all .2s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.tnum{font-variant-numeric:tabular-nums}
::selection{background:rgba(29,102,201,.16)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container-xl{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1240px;margin:0 auto;padding:0 24px;
  height:60px;display:flex;align-items:center;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--brand-700)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--brand-50);color:var(--brand);
}
.logo-mark svg{width:20px;height:20px}
.brand-divider{width:1px;height:22px;background:var(--line);flex:0 0 1px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--muted);transition:var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand);transition:var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-50)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{left:12px;right:12px}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;width:260px;height:40px;padding:0 14px;
  border-radius:999px;background:var(--brand-50);border:1px solid transparent;color:var(--muted);
  transition:var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,102,201,.15)}
.search-box svg{width:17px;height:17px;flex:0 0 17px}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;line-height:1.4}
.search-box input::placeholder{color:var(--weak)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:var(--ease);
}
.nav-toggle:hover{border-color:rgba(29,102,201,.35);color:var(--brand)}
.nav-toggle svg{width:20px;height:20px}

/* 抽屉导航 */
.drawer{
  position:fixed;top:60px;right:0;bottom:0;width:280px;z-index:60;
  background:#fff;border-left:1px solid var(--line);
  padding:18px 20px;display:flex;flex-direction:column;gap:6px;
  box-shadow:-12px 0 32px rgba(16,32,58,.12);
  transform:translateX(105%);visibility:hidden;transition:transform .26s cubic-bezier(.2,.7,.3,1),visibility .26s;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--ink);transition:var(--ease);
}
.drawer-link:hover{background:var(--brand-50);color:var(--brand)}
.drawer-cta{margin-top:12px;justify-content:center}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--brand);transition:var(--ease);white-space:nowrap;
}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);transform:translateY(-1px);box-shadow:0 8px 18px rgba(29,102,201,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-sm);
  background:#fff;color:var(--brand);border:1px solid rgba(29,102,201,.35);
  font-size:14px;font-weight:600;transition:var(--ease);white-space:nowrap;
}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px}

/* ============ 徽章与标签 ============ */
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--teal);
  background:rgba(14,156,142,.08);border:1px solid rgba(14,156,142,.35);white-space:nowrap;
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);transition:var(--ease);
}
.tag:hover{color:var(--brand);border-color:rgba(29,102,201,.35);background:var(--brand-50)}

/* ============ 文章头部 ============ */
.article-hero{
  padding:52px 0 38px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 55%,rgba(245,248,252,.98) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:var(--ease)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--weak)}
.breadcrumb .current{
  color:var(--brand);font-weight:600;max-width:520px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-title{
  font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.5px;
  max-width:900px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--muted)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--weak);display:inline-block}

/* ============ 正文 ============ */
.section{padding:64px 0}
.section-head{max-width:680px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:700;line-height:1.35;margin-bottom:8px}
.section-head p{font-size:15px;color:var(--muted);line-height:1.8}
.article-shell{max-width:880px;margin:0 auto}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:40px 44px;
}
.prose-cn{font-size:16.5px;line-height:1.9;color:var(--ink)}
.prose-cn > *:first-child{margin-top:0}
.prose-cn p{margin:0 0 1.15em}
.prose-cn h2{
  font-size:24px;font-weight:700;line-height:1.4;margin:2em 0 .7em;
  padding-left:14px;border-left:4px solid var(--brand);
}
.prose-cn h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.7em 0 .6em}
.prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.4em}
.prose-cn ul li,.prose-cn ol li{margin-bottom:.5em}
.prose-cn ul{list-style:disc}
.prose-cn ol{list-style:decimal}
.prose-cn blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--bg-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--muted);
}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:12px;margin:1.4em 0}
.prose-cn figure{margin:1.5em 0}
.prose-cn figcaption{font-size:14px;color:var(--weak);text-align:center;margin-top:10px}
.prose-cn a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose-cn a:hover{color:var(--brand-700)}
.prose-cn table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose-cn th{background:var(--bg-soft);font-weight:600}
.prose-cn tbody tr:nth-child(even){background:#F8FAFD}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose-cn code{background:var(--bg-soft);border-radius:6px;padding:2px 6px;font-size:14.5px}

.empty-state{text-align:center;padding:36px 12px 28px}
.empty-state svg{width:44px;height:44px;color:var(--weak);margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

.article-actions{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.action-btns{display:flex;flex-wrap:wrap;gap:10px}
.back-row{margin-top:26px;text-align:center}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
  color:var(--brand);transition:var(--ease);
}
.back-link:hover{color:var(--brand-700);gap:12px}
.back-link svg{width:16px;height:16px}

/* ============ 卡片 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:var(--ease);
}
.card:hover{border-color:rgba(29,102,201,.28);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-date{font-size:12.5px;color:var(--weak);font-variant-numeric:tabular-nums}
.card-title{
  font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-more{
  margin-top:auto;padding-top:6px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);transition:var(--ease);
}
.card:hover .card-more{gap:10px}
.card-more svg{width:15px;height:15px}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 30px;display:flex;flex-wrap:wrap;gap:22px;
  align-items:center;justify-content:space-between;
}
.cta-title{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:6px}
.cta-desc{font-size:14.5px;color:var(--muted);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:#0F1E33;color:rgba(255,255,255,.72);margin-top:72px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.site-footer .logo-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px}
.footer-h{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-list{display:grid;gap:10px;font-size:14px}
.footer-list a{color:rgba(255,255,255,.72);transition:var(--ease)}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:40px;padding-top:20px;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);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-title{font-size:36px}
  .section{padding:56px 0}
}
@media (max-width:900px){
  .main-nav,.brand-divider{display:none}
  .header-right .search-box,.header-right > .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
}
@media (min-width:901px){
  .drawer{display:none}
}
@media (max-width:640px){
  .container-xl{padding:0 20px}
  .header-inner{padding:0 20px;gap:10px}
  .brand{font-size:16.5px}
  .article-hero{padding:34px 0 26px}
  .article-title{font-size:27px;letter-spacing:0}
  .article-card{padding:24px 20px;border-radius:var(--r-md)}
  .prose-cn{font-size:15.5px}
  .prose-cn h2{font-size:21px}
  .section{padding:48px 0}
  .section-head h2{font-size:22px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:22px 20px}
  .cta-title{font-size:19px}
  .footer-bottom{flex-direction:column;gap:8px}
  .breadcrumb .current{max-width:220px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card:hover{transform:none}
  .btn-primary:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#1D66C9;
  --brand-700:#1650A0;
  --brand-50:#EAF2FD;
  --accent:#F2A33C;
  --accent-soft:#FDF1DE;
  --accent-ink:#A9660F;
  --teal:#0E9C8E;
  --bg:#F5F8FC;
  --bg-soft:#EDF3FB;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --ink:#10203A;
  --muted:#5A6B82;
  --weak:#8A9AB0;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,32,58,.04), 0 8px 24px rgba(16,32,58,.06);
  --shadow-2:0 2px 6px rgba(16,32,58,.06), 0 16px 36px rgba(16,32,58,.10);
  --ease:all .2s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.tnum{font-variant-numeric:tabular-nums}
.container-xl{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;letter-spacing:.2px}
.section-head .section-sub{margin-top:8px;font-size:15px;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.6px;color:var(--teal);text-transform:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(16,32,58,.02);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:60px}
.header-left{display:flex;align-items:center;gap:14px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:16.5px;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand);flex:0 0 32px;
}
.logo-mark svg{width:19px;height:19px}
.header-divider{width:1px;height:22px;background:var(--line);flex:0 0 1px}
.main-nav{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 2px;
  transition:var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--brand);transition:var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{left:0;right:0}
.header-right{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 6px 0 14px;
  background:var(--brand-50);border:1px solid transparent;border-radius:999px;
  transition:var(--ease);
}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(29,102,201,.15)}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--weak)}
.search-box button{
  width:30px;height:30px;border-radius:999px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;transition:var(--ease);
}
.search-box button:hover{background:var(--brand-700)}
.search-box svg{width:15px;height:15px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--ink);
  border:1px solid var(--line);background:#fff;transition:var(--ease);
}
.menu-toggle:hover{border-color:rgba(29,102,201,.35);color:var(--brand)}
.menu-toggle svg{width:20px;height:20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;transition:var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,102,201,.22)}
.btn-primary:hover{background:var(--brand-700);box-shadow:0 10px 24px rgba(29,102,201,.28);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(29,102,201,.35)}
.btn-outline:hover{background:var(--brand-50);border-color:var(--brand);transform:translateY(-2px)}
.btn-amber{background:var(--accent);color:#3A2606}
.btn-amber:hover{background:#E5942C;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:active{transform:translateY(1px)}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:#fff;color:var(--muted);border:1px solid var(--line);
}
.chip-teal{color:#0B7F74;border-color:rgba(14,156,142,.35);background:rgba(14,156,142,.07)}
.chip-brand{color:var(--brand);border-color:rgba(29,102,201,.3);background:var(--brand-50)}
.badge-cat{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#0B7F74;
  border:1px solid rgba(14,156,142,.35);background:rgba(14,156,142,.06);
}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb a{color:var(--muted);transition:var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}
.crumb .sep{color:#C3CEDD}

/* ---------- hero ---------- */
.hero{padding:32px 0 72px}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.4px;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-card{
  margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);display:grid;grid-template-columns:repeat(3,1fr);
  max-width:460px;overflow:hidden;
}
.stat{padding:16px 18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{display:block;font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.3px}
.stat-label{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::before{
  content:"";position:absolute;inset:0 auto 0 0;width:42%;z-index:2;
  background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.55) 45%,rgba(255,255,255,0) 100%);
}
.hero-media figcaption{
  position:absolute;left:16px;bottom:14px;z-index:3;
  background:rgba(255,255,255,.92);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:12.5px;color:var(--muted);
}

/* ---------- anchor bar ---------- */
.anchor-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-link{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--muted);background:var(--bg-soft);border:1px solid transparent;transition:var(--ease);
}
.anchor-link:hover{color:var(--brand);background:var(--brand-50)}
.anchor-link.is-current{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,102,201,.22)}
.anchor-link .dot{width:6px;height:6px;border-radius:999px;background:currentColor;opacity:.6}

/* ---------- group cards ---------- */
.group-stack{display:grid;gap:24px}
.group-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:26px 26px 18px;transition:var(--ease);
}
.group-card:hover{box-shadow:var(--shadow-2)}
.group-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.group-head h3{font-size:20px;font-weight:600}
.group-note{font-size:13.5px;color:var(--muted);margin-left:auto}
.row-list{margin-top:6px}
.row-item{
  display:flex;align-items:center;gap:14px;min-height:56px;
  padding:9px 12px;border-radius:var(--r-sm);transition:var(--ease);
  border-bottom:1px dashed rgba(227,234,243,.9);
}
.row-item:last-child{border-bottom:0}
.row-item:hover{background:var(--brand-50);transform:translateX(3px)}
.row-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-ink);
  font-size:12.5px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}
.row-name{font-size:16px;font-weight:600;color:var(--ink);white-space:nowrap}
.row-desc{flex:1;min-width:0;font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-arrow{color:var(--weak);transition:var(--ease);font-size:15px}
.row-item:hover .row-arrow{color:var(--brand);transform:translateX(3px)}

/* ---------- flow ---------- */
.flow{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.flow-step{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;transition:var(--ease);
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(29,102,201,.28);background:#fff}
.flow-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;background:var(--accent);color:#3A2606;
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted)}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(29,102,201,.28)}
.scene-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-50);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.scene-icon svg{width:20px;height:20px}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted)}

/* ---------- verify block ---------- */
.verify-block{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.verify-block h2{font-size:28px;font-weight:700;line-height:1.35}
.verify-list{margin-top:22px;display:grid;gap:14px}
.verify-list li{display:flex;gap:12px;font-size:15px;color:var(--muted)}
.verify-list .tick{
  flex:0 0 22px;width:22px;height:22px;border-radius:999px;margin-top:4px;
  background:rgba(14,156,142,.12);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;
}
.verify-list .tick svg{width:13px;height:13px}
.verify-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1)}
.verify-media img{width:100%;aspect-ratio:5/3;object-fit:cover}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:var(--ease);
}
.faq-item[open]{border-left:3px solid var(--accent)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:600;color:var(--brand);line-height:1;
  transition:var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent-ink)}
.faq-item[open] summary{background:var(--brand-50)}
.faq-body{padding:6px 22px 20px;font-size:15px;color:var(--muted);background:var(--brand-50)}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-inner h2{font-size:22px;font-weight:700}
.cta-inner p{font-size:14.5px;color:var(--muted);margin-top:6px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:#0F1E33;color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.9;max-width:380px}
.footer-h{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.footer-list li{margin-bottom:10px;font-size:14px}
.footer-list a{transition:var(--ease)}
.footer-list a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:20px;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,.6);
}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;opacity:0;pointer-events:none;transition:var(--ease);background:rgba(16,32,58,.42)}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(330px,86vw);
  background:#fff;transform:translateX(100%);transition:var(--ease);
  padding:18px 20px 24px;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line)}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:grid;gap:2px;margin-top:12px}
.drawer-nav a{padding:0 12px;height:48px;display:flex;align-items:center;border-radius:10px;font-size:15px;color:var(--muted);transition:var(--ease)}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand);font-weight:700}
.drawer-cta{margin-top:auto;width:100%}
.drawer-note{margin-top:14px;font-size:12.5px;color:var(--weak);line-height:1.7}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  section{padding:64px 0}
  .hero{padding:24px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:34px}
  .hero-media{order:-1}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .verify-block{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .search-box{display:none}
}
@media (max-width:900px){
  .main-nav,.header-divider{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:768px){
  .container-xl{padding:0 20px}
  section{padding:56px 0}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .section-head h2{font-size:22px}
  .stat-card{max-width:100%}
  .row-desc{white-space:normal;overflow:visible;text-overflow:clip;display:block;font-size:13.5px}
  .row-item{flex-wrap:wrap;gap:10px;padding:12px 10px}
  .row-item:hover{transform:none}
  .group-card{padding:20px 18px 14px}
  .group-note{margin-left:0;width:100%}
  .cta-inner{padding:24px 20px}
  .site-footer{padding:52px 0 24px}
}
@media (max-width:520px){
  .flow-grid,.scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%}
  .stat{padding:14px 12px}
  .stat-num{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .row-item:hover,.flow-step:hover,.scene-card:hover,.btn:hover{transform:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#1D66C9;
  --brand-700:#1650A0;
  --brand-50:#EAF2FD;
  --accent:#F2A33C;
  --teal:#0E9C8E;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --bg-soft:#EDF3FB;
  --line:#E3EAF3;
  --ink:#10203A;
  --muted:#5A6B82;
  --weak:#8A9AB0;
  --r-lg:18px;
  --r-md:14px;
  --r-btn:10px;
  --sd:0 1px 2px rgba(16,32,58,.04), 0 8px 24px rgba(16,32,58,.06);
  --sd-hover:0 2px 6px rgba(16,32,58,.06), 0 16px 36px rgba(16,32,58,.10);
  --tr:all .2s cubic-bezier(.2,.7,.3,1);
  --sec:88px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.tnum{font-variant-numeric:tabular-nums;}

.container-xl{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:60px;
}
.header-left{display:flex;align-items:center;gap:18px;min-width:0;}
.brand{display:flex;align-items:center;gap:9px;flex:none;}
.logo-mark{
  width:32px;height:32px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--brand-50);
  color:var(--brand);
  border:1px solid rgba(29,102,201,.18);
}
.logo-mark svg{width:18px;height:18px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink);}
.header-divider{width:1px;height:24px;background:var(--line);flex:none;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:15px;
  color:var(--muted);
  border-radius:8px;
  transition:var(--tr);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;bottom:2px;
  height:2px;background:var(--brand);border-radius:2px;
  transition:var(--tr);
}
.nav-link:hover{color:var(--brand);background:var(--brand-50);}
.nav-link:hover::after{left:10px;right:10px;}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{left:10px;right:10px;}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.header-right{display:flex;align-items:center;gap:12px;flex:none;}
.nav-search{width:260px;}
.nav-search input{
  width:100%;height:40px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid transparent;
  background:var(--brand-50);
  font-size:14px;
  transition:var(--tr);
}
.nav-search input::placeholder{color:var(--weak);}
.nav-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(29,102,201,.15);
}
.btn-primary,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--tr);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,102,201,.22);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,102,201,.28);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(29,102,201,.35);}
.btn-ghost:hover{background:var(--brand-50);transform:translateY(-2px);}
.btn-soft{background:var(--bg-soft);color:var(--ink);border-color:var(--line);}
.btn-soft:hover{background:#fff;border-color:rgba(29,102,201,.3);}
.btn-primary:active,.btn-ghost:active,.btn-soft:active{transform:translateY(0);}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-soft:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:999px;box-shadow:none;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  align-items:center;justify-content:center;
  cursor:pointer;
  transition:var(--tr);
}
.menu-toggle:hover{border-color:rgba(29,102,201,.35);background:var(--brand-50);}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:10px 24px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:13px 4px;
  font-size:16px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .btn-primary{width:100%;margin-top:16px;}

/* 页头 */
.breadcrumb{
  font-size:13px;
  color:var(--weak);
  padding-top:26px;
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C3CEDD;}
.breadcrumb .cur{color:var(--brand);}
.page-hero{
  background:linear-gradient(180deg,#EAF2FD 0%,#F5F8FC 78%);
  padding-bottom:40px;
}
.hero-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,480px);
  gap:48px;
  align-items:center;
  padding:28px 0 34px;
}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid rgba(14,156,142,.4);
  background:#fff;
  color:#0B7C71;
  font-size:12.5px;
  letter-spacing:.4px;
  font-weight:600;
}
.badge-cat::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--teal);
}
.page-hero h1{
  margin-top:18px;
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:15em;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--muted);
  max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-stats{
  margin-top:32px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  max-width:520px;
}
.stat-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sd);
  padding:14px 16px;
}
.stat-num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:4px;}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sd-hover);
  aspect-ratio:5/3;
  background:var(--bg-soft);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(245,248,252,.72) 0%,rgba(245,248,252,0) 38%);
  pointer-events:none;
}
.anchor-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:6px 0 4px;
  scrollbar-width:thin;
}
.anchor-bar a{
  flex:none;
  padding:8px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--muted);
  transition:var(--tr);
}
.anchor-bar a:hover{color:var(--brand);border-color:rgba(29,102,201,.35);transform:translateY(-2px);}
.anchor-bar a.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* 板块统一样式 */
.section{padding:var(--sec) 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.2px;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15.5px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand);
  margin-bottom:8px;
}

/* 卡片墙 */
.card-wall{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.wall-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sd);
  overflow:hidden;
  transition:var(--tr);
}
.wall-card:hover{
  transform:translateY(-3px);
  border-color:rgba(29,102,201,.28);
  box-shadow:var(--sd-hover);
}
.wall-media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-soft);
}
.wall-media img{width:100%;height:100%;object-fit:cover;transition:var(--tr);}
.wall-card:hover .wall-media img{transform:scale(1.03);}
.wall-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.wall-body h3{font-size:20px;font-weight:600;line-height:1.45;}
.wall-body h3 a{transition:var(--tr);}
.wall-card:hover .wall-body h3 a{color:var(--brand);}
.wall-body p{font-size:14px;color:var(--muted);line-height:1.75;}
.wall-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
.wall-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.wall-link:hover{gap:10px;}
.wall-meta{font-size:12.5px;color:var(--weak);}
.tag-teal{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid rgba(14,156,142,.35);
  color:#0B7C71;
  font-size:12.5px;
  background:rgba(14,156,142,.06);
  align-self:flex-start;
}

/* 步骤带 */
.step-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sd);
  transition:var(--tr);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sd-hover);border-color:rgba(29,102,201,.25);}
.step-num{
  display:inline-block;
  font-size:22px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.5px;
  margin-bottom:10px;
}
.step-item h3{font-size:17px;font-weight:600;color:var(--brand-700);}
.step-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}

/* 说明与表单 */
.scope-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:40px;
  align-items:start;
}
.row-list{border-top:1px solid var(--line);}
.row-item{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:56px;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  transition:var(--tr);
  border-radius:10px;
}
.row-item:hover{background:var(--brand-50);}
.row-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  flex:none;
}
.row-name{font-size:16px;font-weight:600;flex:none;}
.row-desc{font-size:14px;color:var(--muted);margin-left:auto;text-align:right;}
.row-arrow{color:var(--brand);font-weight:700;flex:none;transition:var(--tr);}
.row-item:hover .row-arrow{transform:translateX(3px);}
.panel-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sd);
  padding:26px 24px;
}
.panel-card h3{font-size:19px;font-weight:600;}
.panel-card > p{margin-top:8px;font-size:14px;color:var(--muted);}
.sub-form{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.sub-form label{font-size:13px;color:var(--muted);}
.sub-form input{
  height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  font-size:14.5px;
  transition:var(--tr);
  width:100%;
}
.sub-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(29,102,201,.15);
}
.form-note{font-size:12.5px;color:var(--weak);}
.form-note.is-ok{color:var(--teal);}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:10px;
  overflow:hidden;
  transition:var(--tr);
}
.faq-item[open]{border-left:3px solid var(--accent);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:18px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;
  line-height:1;
  color:var(--brand);
  font-weight:400;
  flex:none;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{background:var(--brand-50);}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-4px;}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85;background:rgba(234,242,253,.5);}
.faq-body p{padding-top:6px;}

/* CTA 带 */
.cta-band{
  background:var(--bg-soft);
  border-radius:var(--r-md);
  padding:28px 30px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.cta-band h2{font-size:22px;font-weight:700;}
.cta-band p{margin-top:6px;font-size:14.5px;color:var(--muted);max-width:46em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{
  margin-top:var(--sec);
  background:#0F1E33;
  color:rgba(255,255,255,.72);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-size:17px;font-weight:700;
}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;max-width:34em;color:rgba(255,255,255,.66);}
.footer-h{color:#fff;font-size:14px;font-weight:600;letter-spacing:.5px;margin-bottom:14px;}
.footer-list li{font-size:14px;line-height:2.1;}
.footer-list a{transition:var(--tr);}
.footer-list a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:38px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1023px){
  :root{--sec:64px;}
  .header-divider,.nav-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .main-nav{display:none;}
  .header-right .btn-primary{display:none;}
  .hero-split{grid-template-columns:1fr;gap:32px;padding-top:20px;}
  .page-hero h1{font-size:32px;}
  .card-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scope-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  :root{--sec:56px;}
  .container-xl{padding:0 20px;}
  .page-hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .card-wall{grid-template-columns:1fr;}
  .step-band{grid-template-columns:1fr;}
  .section-head h2{font-size:22px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:22px 20px;}
  .row-item{flex-wrap:wrap;gap:8px;}
  .row-desc{margin-left:22px;text-align:left;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .wall-card:hover,.step-item:hover,.btn-primary:hover,.btn-ghost:hover,.anchor-bar a:hover{transform:none;}
}