/* roulang page: index */
:root{
  --bg:#F7F5F1;
  --bg-deep:#0F2E2A;
  --brand:#12403A;
  --brand-light:#1B5A50;
  --accent:#E4772E;
  --accent-dark:#D06A25;
  --accent-soft:#FBE7D6;
  --sand:#F1EDE6;
  --ink:#121614;
  --ink-2:#5A6660;
  --ink-3:#8A948E;
  --line:#E4E0D8;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-img:12px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.nav-bar{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.14em;}

.nav-search{
  flex:1 1 auto;
  max-width:520px;
  margin-left:8px;
}
.search{
  display:flex;
  align-items:center;
  width:100%;
  height:48px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:999px;
  padding-left:18px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(228,119,46,.26);
}
.search svg{flex:none;color:var(--ink-3);}
.search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  padding:0 10px;
  font-size:15px;
  color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}
.search-btn{
  flex:none;
  width:38px;height:38px;
  margin-right:5px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  display:grid;place-items:center;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{background:var(--brand-light);}
.search-lg{height:58px;padding-left:22px;}
.search-lg input{font-size:16px;}
.search-lg .search-btn{width:46px;height:46px;}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex:none;}
.nav-link{
  padding:8px 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--sand);}
.nav-link.active{
  color:var(--brand);
  background:var(--accent-soft);
  border:1px solid rgba(228,119,46,.4);
  font-weight:600;
}
.nav-cta{
  margin-left:10px;
  height:44px;
  padding:0 22px;
  font-size:14.5px;
}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:18px 0 24px;
}
.mobile-panel.open{display:block;}
.mobile-panel .search{margin-bottom:16px;}
.mobile-links{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-links a{
  padding:13px 4px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  color:var(--ink-2);
}
.mobile-links a.active{color:var(--brand);font-weight:700;}

/* ---------- chips ---------- */
.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:12px 0 0;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.chip.on{
  border-color:rgba(228,119,46,.55);
  background:var(--accent-soft);
  color:#A9500F;
  font-weight:600;
}
.nav-chipbar{border-bottom:1px solid var(--line);}
.nav-chipbar .chip-row{padding:8px 0 12px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(228,119,46,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(18,64,58,.35);
  padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-more:hover{color:var(--accent);border-color:var(--accent);}
.link-more::after{content:"→";transition:transform .18s var(--ease);}
.link-more:hover::after{transform:translateX(4px);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--bg-deep);
  color:#fff;
  padding:76px 0 150px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.24;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(15,46,42,.95) 0%,rgba(15,46,42,.8) 46%,rgba(15,46,42,.58) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:56px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.16em;
  color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:24px;
}
.hero-eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(228,119,46,.25);
}
.hero-title{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  max-width:15em;
}
.hero-sub{
  margin-top:22px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
  max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-media img{
  width:100%;
  border-radius:var(--radius-img);
  box-shadow:0 36px 70px -34px rgba(0,0,0,.72);
  border:1px solid rgba(255,255,255,.12);
}
.trust{
  display:flex;
  flex-wrap:wrap;
  margin-top:64px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
}
.trust li{
  flex:1 1 0;
  min-width:118px;
  padding-right:24px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.trust li strong{
  font-size:28px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.trust li span{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.08em;}

/* ---------- sink search ---------- */
.sink-search{position:relative;z-index:20;margin-top:-100px;}
.sink-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:34px 36px;
  box-shadow:0 28px 56px -34px rgba(15,46,42,.32);
}
.sink-card h2{font-size:clamp(1.25rem,2vw,1.6rem);}
.sink-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.sink-card .search{margin-top:22px;max-width:720px;}
.sink-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--sand);}
.sec-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--accent-dark);
  font-weight:700;
  margin-bottom:14px;
}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.3rem);}
.sec-head p{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.9;}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:26px;}
.timeline::before{
  content:"";
  position:absolute;
  top:23px;left:4%;right:4%;
  height:1.5px;
  background:var(--line);
  z-index:0;
}
.tl-item{position:relative;z-index:1;}
.tl-dot{
  display:grid;
  place-items:center;
  width:46px;height:46px;
  border-radius:999px;
  background:#fff;
  border:2px solid var(--accent);
  color:var(--brand);
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:20px;
}
.tl-item h3{font-size:17px;font-weight:700;}
.tl-item p{margin-top:9px;font-size:14.5px;color:var(--ink-2);line-height:1.85;}

/* ---------- feature split ---------- */
.feature-split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:center;
}
.feature-media img{
  width:100%;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  box-shadow:0 24px 48px -30px rgba(15,46,42,.35);
}
.feature-media figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
}
.feature-list{display:flex;flex-direction:column;gap:0;}
.feature-item{
  padding:26px 0 26px 22px;
  border-top:1px solid var(--line);
  border-left:3px solid transparent;
  transition:border-color .2s var(--ease),padding-left .2s var(--ease);
}
.feature-item:first-child{border-top:0;padding-top:0;}
.feature-item:hover{border-left-color:var(--accent);padding-left:28px;}
.feature-item h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;}
.feature-item h3 em{
  font-style:normal;
  font-size:12px;
  font-weight:700;
  color:var(--accent-dark);
  background:var(--accent-soft);
  border-radius:4px;
  padding:3px 8px;
  letter-spacing:.06em;
}
.feature-item p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ---------- compare ---------- */
.compare{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#fff;
}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr 1fr;
  border-top:1px solid var(--line);
}
.compare-row:first-child{border-top:0;}
.compare-cell{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:58px;
  padding:16px;
  font-size:14.5px;
  color:var(--ink-2);
  text-align:center;
}
.compare-cell.cell-name{
  justify-content:flex-start;
  text-align:left;
  font-weight:600;
  color:var(--ink);
  background:#FCFBF9;
}
.compare-head .compare-cell{
  background:var(--bg-deep);
  color:#fff;
  font-weight:600;
  font-size:14px;
  min-height:66px;
}
.compare-head .compare-cell.is-rec{background:#163B36;}
.compare-row:not(.compare-head):nth-child(odd) .compare-cell{background:#FBF9F5;}
.compare-row:not(.compare-head):nth-child(odd) .cell-name{background:#F6F3ED;}
.compare-cell.is-rec{
  border-left:2px solid var(--accent);
  border-right:2px solid var(--accent);
  background:var(--accent-soft);
  color:#7A3C0C;
  font-weight:600;
}
.compare-row:first-child .is-rec{border-top:2px solid var(--accent);}
.compare-row:last-child .is-rec{border-bottom:2px solid var(--accent);}
.rec-badge{
  display:inline-block;
  margin-left:8px;
  padding:2px 8px;
  border-radius:4px;
  background:var(--accent);
  color:#fff;
  font-size:11px;
  font-weight:600;
  letter-spacing:.06em;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--bg-deep);
  color:#fff;
  padding:78px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(15,46,42,.94),rgba(15,46,42,.66));
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.2rem);max-width:16em;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.75);max-width:34em;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-news{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:0 1px 2px rgba(18,22,20,.04);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card-news:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px -14px rgba(15,46,42,.22);
  border-color:rgba(18,64,58,.32);
}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--sand);}
.card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s var(--ease);
}
.card-news:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  padding:3px 10px;
  border-radius:4px;
  background:var(--accent-soft);
  color:#B0551B;
}
.card-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-excerpt{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  gap:10px;
}
.card-meta span::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--ink-3);margin-right:8px;vertical-align:middle;}
.news-empty{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:56px 24px;
  text-align:center;
  background:#fff;
}
.news-empty p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
.faq-side h2{font-size:clamp(1.6rem,3vw,2.2rem);}
.faq-side p{margin-top:16px;font-size:15px;color:var(--ink-2);line-height:1.9;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{position:relative;flex:none;width:24px;height:24px;}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{width:16px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:16px;transform:translate(-50%,-50%);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-answer{padding:0 0 24px;max-width:720px;font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.78);padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .footer-logo{
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:26em;}
.footer-col h4{
  font-size:13px;
  letter-spacing:.14em;
  color:rgba(255,255,255,.5);
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:15px;
  color:rgba(255,255,255,.82);
  transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 24px 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-search{max-width:360px;}
  .nav-links .nav-link{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .hero{padding:56px 0 130px;}
  .timeline{grid-template-columns:repeat(3,1fr);gap:32px 24px;}
  .timeline::before{display:none;}
  .feature-split{grid-template-columns:1fr;gap:36px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:900px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
}

@media (max-width:819px){
  .compare{border:0;background:transparent;overflow:visible;}
  .compare-head{display:none;}
  .compare-row{
    display:block;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    margin-bottom:14px;
    overflow:hidden;
  }
  .compare-row:not(.compare-head):nth-child(odd) .compare-cell,
  .compare-row:not(.compare-head):nth-child(odd) .cell-name{background:transparent;}
  .compare-cell{
    justify-content:space-between;
    text-align:right;
    min-height:auto;
    padding:13px 18px;
    border-left:0;
    border-right:0;
    border-top:1px solid var(--line);
    background:transparent;
  }
  .compare-cell:first-child{border-top:0;}
  .compare-cell:not(.cell-name)::before{
    content:attr(data-label);
    margin-right:auto;
    padding-right:14px;
    font-size:13px;
    font-weight:500;
    color:var(--ink-3);
  }
  .compare-cell.cell-name{
    background:var(--sand);
    font-weight:700;
    justify-content:flex-start;
    text-align:left;
    font-size:15px;
  }
  .compare-row:first-child .is-rec{border-top:0;}
  .compare-row:last-child .is-rec{border-bottom:0;}
  .compare-cell.is-rec{background:var(--accent-soft);}
}

@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .hero{padding:44px 0 118px;}
  .hero-title{font-size:clamp(1.7rem,7vw,2.2rem);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .trust{margin-top:44px;}
  .trust li{flex:1 1 44%;padding-right:0;margin-bottom:18px;}
  .sink-search{margin-top:-84px;}
  .sink-card{padding:26px 20px;border-radius:20px;}
  .sec-head{margin-bottom:34px;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{display:block;left:22px;top:8px;bottom:8px;right:auto;width:1.5px;height:auto;}
  .tl-item{padding:0 0 30px 70px;}
  .tl-dot{position:absolute;left:0;top:0;margin-bottom:0;}
  .news-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg:#F7F5F1;
  --bg-deep:#0F2E2A;
  --brand:#12403A;
  --brand-soft:#1B5A50;
  --accent:#E4772E;
  --accent-dark:#D06A25;
  --accent-soft:#FBE7D6;
  --paper:#FFFFFF;
  --ink:#121614;
  --ink-2:#5A6660;
  --ink-3:#8A948E;
  --line:#E4E0D8;
  --line-soft:#F1EDE6;
  --danger:#B54B2E;
  --success:#2F7D5B;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(18,22,20,.04);
  --shadow-md:0 12px 28px -12px rgba(15,46,42,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;}
::selection{background:var(--accent-soft);color:var(--brand);}

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

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(18,22,20,.05);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-main{font-size:16px;font-weight:800;color:var(--brand);line-height:1.25;letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.16em;line-height:1.5;white-space:nowrap;}

.nav-search{flex:1 1 40%;max-width:520px;min-width:180px;}
.search-form{
  position:relative;display:flex;align-items:center;gap:8px;
  height:46px;padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,119,46,.3);}
.search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--ink-3);}
.search-input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-input::placeholder{color:var(--ink-3);}
.search-btn{
  width:34px;height:34px;flex:0 0 auto;border:0;border-radius:999px;
  background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{background:var(--brand-soft);transform:translateY(-1px);}
.search-btn svg{width:15px;height:15px;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex:0 0 auto;}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--accent-soft);}
.nav-link.active{color:var(--brand);font-weight:700;background:var(--accent-soft);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;text-align:center;
}
.btn-primary{
  background:var(--accent);color:#fff;padding:12px 24px;font-size:14px;
  box-shadow:0 8px 18px -10px rgba(228,119,46,.85);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(228,119,46,.9);}
.btn-ghost{
  background:transparent;border-color:var(--brand);color:var(--brand);
  padding:11px 22px;font-size:14px;
}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.nav-cta{padding:9px 18px;font-size:13px;box-shadow:none;}
.nav-cta:hover{box-shadow:0 10px 20px -12px rgba(228,119,46,.9);}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;
}

.menu-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  place-items:center;cursor:pointer;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.menu-toggle:hover{border-color:var(--accent);background:var(--accent-soft);}
.menu-toggle svg{width:20px;height:20px;}

.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .search-form{height:48px;}
.mobile-links{display:flex;flex-direction:column;gap:2px;margin-top:14px;}
.mobile-links .nav-link{display:block;padding:12px 12px;border-radius:10px;font-size:15px;}
.mobile-links .nav-cta{display:block;margin-top:12px;text-align:center;padding:13px 18px;font-size:15px;color:#fff;background:var(--accent);font-weight:600;}
.mobile-links .nav-cta:hover{color:#fff;background:var(--accent-dark);}

/* ============ Article hero ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--bg-deep) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
}
.article-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(15,46,42,.95) 0%,rgba(15,46,42,.88) 48%,rgba(15,46,42,.62) 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:52px 0 54px;max-width:900px;}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.3);}
.breadcrumb .current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-title{
  font-size:clamp(1.75rem,3.6vw,2.65rem);
  font-weight:800;line-height:1.25;letter-spacing:-.02em;color:#fff;
  margin-bottom:18px;
}
.article-lead{
  font-size:15px;line-height:1.9;color:rgba(255,255,255,.74);
  max-width:660px;margin-bottom:22px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:rgba(255,255,255,.66);
  font-variant-numeric:tabular-nums;
}
.article-meta .divider{width:1px;height:12px;background:rgba(255,255,255,.28);}
.meta-tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:4px;font-size:12px;letter-spacing:.06em;
  background:rgba(228,119,46,.18);border:1px solid rgba(228,119,46,.4);color:#F7C79F;
}

/* ============ Article body ============ */
.article-wrap{padding:64px 0 76px;}
.article-layout{display:block;}
.article-main{max-width:800px;}

.prose-cn{font-size:16.5px;line-height:1.95;color:var(--ink);}
.prose-cn>*:first-child{margin-top:0;}
.prose-cn p{margin:0 0 1.2em;color:#222925;}
.prose-cn h2{
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  font-weight:700;line-height:1.45;color:var(--brand);
  margin:2.5em 0 .9em;padding-left:14px;border-left:3px solid var(--accent);
}
.prose-cn h3{font-size:1.11rem;font-weight:600;line-height:1.6;color:var(--ink);margin:2em 0 .7em;}
.prose-cn h4{font-size:1rem;font-weight:600;margin:1.6em 0 .6em;color:var(--ink);}
.prose-cn ul,.prose-cn ol{margin:0 0 1.3em;padding-left:1.35em;}
.prose-cn ul{list-style:disc;}
.prose-cn ol{list-style:decimal;}
.prose-cn li{margin:.5em 0;color:#222925;}
.prose-cn li::marker{color:var(--accent);font-weight:600;}
.prose-cn strong{font-weight:700;color:var(--brand);}
.prose-cn em{font-style:normal;background:rgba(228,119,46,.12);padding:1px 5px;border-radius:4px;color:var(--brand);}
.prose-cn a{color:var(--brand-soft);border-bottom:1px solid rgba(27,90,80,.35);transition:color .18s var(--ease),border-color .18s var(--ease);}
.prose-cn a:hover{color:var(--accent);border-color:var(--accent);}
.prose-cn blockquote{
  margin:1.6em 0;padding:16px 22px;
  background:var(--accent-soft);border-left:4px solid var(--accent);
  border-radius:0 10px 10px 0;color:#3C4640;font-size:15.5px;
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{width:100%;border-radius:var(--radius-img);margin:1.6em 0 .6em;}
.prose-cn figure{margin:1.6em 0;}
.prose-cn figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:.5em;}
.prose-cn table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;}
.prose-cn thead th{background:var(--bg-deep);color:#fff;font-weight:600;padding:13px 14px;text-align:left;}
.prose-cn tbody td{padding:13px 14px;border-bottom:1px solid var(--line);color:#2A302C;}
.prose-cn tbody tr:nth-child(even) td{background:var(--bg);}
.prose-cn code{background:rgba(228,119,46,.12);color:var(--brand);padding:2px 6px;border-radius:4px;font-size:.92em;}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* TOC */
.toc-col{display:none;}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--ink-3);font-weight:600;margin-bottom:14px;}
.toc{border-left:1px solid var(--line);padding-left:18px;}
.toc a{
  display:block;padding:6px 0;font-size:14px;line-height:1.55;color:var(--ink-2);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.toc a:hover{color:var(--accent);padding-left:5px;}
.toc a.is-active{color:var(--brand);font-weight:700;}
.article-layout.no-toc .toc-col{display:none;}

/* Article footer */
.article-foot{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1.5px solid var(--brand);
  background:transparent;color:var(--brand);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.share-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.share-btn svg{width:15px;height:15px;}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#fff;padding:56px 28px;text-align:center;
}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--brand);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px;}

/* ============ Sections ============ */
.section{padding:0 0 76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;}
.section-title{font-size:clamp(1.35rem,2.4vw,1.85rem);font-weight:700;color:var(--brand);line-height:1.3;letter-spacing:-.01em;}
.section-desc{font-size:14.5px;color:var(--ink-2);margin-top:8px;max-width:620px;}
.section-more{font-size:14px;color:var(--brand);font-weight:600;border-bottom:1px solid var(--accent);padding-bottom:2px;transition:color .18s var(--ease);}
.section-more:hover{color:var(--accent);}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-news{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card-news:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(18,64,58,.3);}
.card-news .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.card-news .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card-news:hover .thumb img{transform:scale(1.03);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-badge{
  align-self:flex-start;font-size:12px;letter-spacing:.06em;
  padding:3px 10px;border-radius:4px;
  background:var(--accent-soft);color:#A9541A;font-weight:600;
}
.card-title{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);}
.card-news:hover .card-title{color:var(--brand);}
.card-excerpt{font-size:14px;line-height:1.8;color:var(--ink-2);}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:10px;
}
.card-meta .divider{width:1px;height:11px;background:var(--line);}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--bg-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;padding:52px 44px;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(15,46,42,.95) 0%,rgba(15,46,42,.86) 52%,rgba(15,46,42,.6) 100%);
}
.cta-inner{position:relative;z-index:2;max-width:620px;}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.3;margin-bottom:14px;letter-spacing:-.01em;}
.cta-inner p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.76);margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:16px;}

/* ============ Footer ============ */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.66);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;}
.footer-logo{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:340px;}
.footer-col h4{font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.48);font-weight:600;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.74);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;padding-bottom:20px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ Responsive ============ */
@media (min-width:1024px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;}
  .article-layout.no-toc{grid-template-columns:minmax(0,1fr);}
  .toc-col{display:block;position:sticky;top:100px;}
  .article-main{max-width:800px;}
}
@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-links{display:none;}
  .menu-toggle{display:grid;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .header-inner{height:60px;gap:14px;}
  .brand-main{font-size:14.5px;}
  .brand-sub{display:none;}
  .brand-mark{width:34px;height:34px;font-size:15px;border-radius:9px;}
  .article-hero-inner{padding:38px 0 40px;}
  .article-wrap{padding:44px 0 56px;}
  .cta-band{padding:40px 26px;border-radius:16px;}
  .section{padding-bottom:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:22px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .prose-cn{font-size:16px;}
  .prose-cn table{font-size:13.5px;}
  .prose-cn thead th,.prose-cn tbody td{padding:10px 10px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F5F1;
  --bg-deep:#0F2E2A;
  --brand:#12403A;
  --brand-light:#1B5A50;
  --accent:#E4772E;
  --accent-dark:#D06A25;
  --accent-soft:#FBE7D6;
  --sand:#F1EDE6;
  --ink:#121614;
  --ink-soft:#5A6660;
  --ink-mute:#8A948E;
  --line:#E4E0D8;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:4px;
  --shadow-card:0 1px 2px rgba(18,22,20,.04);
  --shadow-hover:0 12px 28px -12px rgba(15,46,42,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.95);
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -16px rgba(15,46,42,.5)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.22}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-mute);letter-spacing:.1em}

.nav-search{
  flex:1 1 auto;max-width:520px;
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,119,46,.18)}
.nav-search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--ink-mute)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.nav-search input::placeholder{color:var(--ink-mute)}
.nav-search-btn{
  width:36px;height:36px;flex:0 0 auto;border:0;border-radius:999px;cursor:pointer;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease);
}
.nav-search-btn:hover{background:var(--brand-light)}

.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-link{
  display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--sand)}
.nav-link.active{color:var(--brand);background:var(--accent-soft)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1.5px solid transparent;
  font-size:14px;font-weight:700;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(228,119,46,.9)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent-soft);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.nav-cta{padding:9px 18px;font-size:13.5px;box-shadow:none}

.nav-toggle{
  display:none;width:42px;height:42px;flex:0 0 auto;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand)}

.chip-row{
  display:flex;gap:8px;overflow-x:auto;
  padding-top:2px;padding-bottom:14px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip-active{border-color:var(--brand);background:var(--accent-soft);color:var(--brand)}

.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-panel.open{display:block}
.mobile-panel .inner{padding-top:16px;padding-bottom:22px}
.mobile-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
}
.mobile-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,119,46,.18)}
.mobile-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.mobile-links{display:flex;flex-direction:column;margin-top:14px}
.mobile-links a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-soft)}
.mobile-links a.active{color:var(--brand)}
.mobile-links a:hover{color:var(--brand)}
.mobile-cta{margin-top:18px;width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg-deep);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.3;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,46,42,.7) 0%,rgba(15,46,42,.9) 60%,rgba(15,46,42,.96) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:88px;padding-bottom:92px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.crumb a:hover{color:var(--accent-soft)}
.crumb .sep{opacity:.5}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:26px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  font-size:12.5px;font-weight:600;letter-spacing:.08em;color:#F6D9BF;
}
.hero-title{
  margin-top:18px;
  font-size:clamp(2.4rem,5vw,4.2rem);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
}
.hero-sub{
  margin-top:20px;max-width:620px;
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.78);
}
.search-lg{
  display:flex;align-items:center;gap:10px;
  max-width:620px;height:60px;margin-top:34px;padding:0 8px 0 20px;
  background:#fff;border-radius:999px;
  box-shadow:0 22px 44px -28px rgba(0,0,0,.7);
}
.search-lg svg{width:20px;height:20px;flex:0 0 auto;color:var(--ink-mute)}
.search-lg input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink)}
.search-lg input::placeholder{color:var(--ink-mute)}
.search-lg button{
  width:44px;height:44px;flex:0 0 auto;border:0;border-radius:999px;cursor:pointer;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease);
}
.search-lg button:hover{background:var(--brand-light)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:52px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-trust li{display:flex;flex-direction:column;gap:2px}
.trust-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--accent)}
.trust-label{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em}

/* ---------- sections ---------- */
.section{padding-top:96px;padding-bottom:96px}
.section-sand{background:var(--sand)}
.section-head{max-width:760px}
.section-label{
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;
}
.section-title{
  margin-top:12px;
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.section-desc{margin-top:16px;font-size:16px;color:var(--ink-soft)}

.flow-wrap{margin-top:56px}

.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.alt-row.first{border-top:0;padding-top:0}
.alt-row.reverse .alt-media{order:-1}
.alt-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-card);
  transition:transform .18s var(--ease);
}
.alt-row:hover .alt-media img{transform:scale(1.02)}
.alt-num{
  font-size:clamp(2.4rem,5vw,3.4rem);font-weight:800;line-height:1;
  color:rgba(18,64,58,.14);letter-spacing:-.03em;
}
.alt-title{margin-top:10px;font-size:clamp(1.25rem,2.2vw,1.55rem);font-weight:700;line-height:1.35}
.alt-text{margin-top:14px;font-size:16px;color:var(--ink-soft)}
.alt-list{margin-top:8px}
.alt-list li{
  display:flex;gap:12px;padding:13px 0;
  border-top:1px solid var(--line);
  font-size:15px;color:var(--ink-soft);
}
.alt-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:12px;
  border-radius:50%;background:var(--accent);
}

.link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:48px}
.link-row{
  display:block;padding:20px 0;border-top:1px solid var(--line);
  transition:padding-left .18s var(--ease);
}
.link-row:hover{padding-left:6px}
.link-row-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700}
.link-row:hover .link-row-title{color:var(--accent-dark)}
.link-row-title svg{width:16px;height:16px;flex:0 0 auto;transition:transform .18s var(--ease)}
.link-row:hover .link-row-title svg{transform:translateX(4px)}
.link-row p{margin-top:6px;font-size:14px;color:var(--ink-soft)}

.faq-list{margin-top:44px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-light)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;color:var(--accent);
  transition:transform .24s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{max-width:760px;padding-bottom:26px;font-size:15px;color:var(--ink-soft)}

.cta-band{background:var(--bg-deep);color:#fff;padding-top:84px;padding-bottom:84px}
.cta-inner{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.cta-title{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.cta-text{max-width:640px;font-size:16px;color:rgba(255,255,255,.72)}
.cta-note{font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:56px;
}
.footer-logo{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-brand p{margin-top:16px;max-width:340px;font-size:14.5px;line-height:1.9}
.footer-col h4{
  margin-bottom:16px;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:rgba(255,255,255,.5);
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  display:inline-block;font-size:15px;color:rgba(255,255,255,.75);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;padding-bottom:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1099px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-search{max-width:none}
}
@media (max-width:1023px){
  .section{padding-top:72px;padding-bottom:72px}
  .alt-row{gap:36px;padding:44px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:60px;gap:10px}
  .nav-search{display:none}
  .chip-row{display:none}
  .logo-text strong{font-size:13.5px}
  .hero-inner{padding-top:56px;padding-bottom:64px}
  .hero-sub{font-size:15.5px}
  .search-lg{height:54px;padding-left:16px}
  .search-lg button{width:40px;height:40px}
  .hero-trust{gap:26px;margin-top:38px}
  .trust-num{font-size:24px}
  .section{padding-top:56px;padding-bottom:56px}
  .alt-row{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .alt-row.reverse .alt-media{order:0}
  .link-grid{grid-template-columns:1fr;gap:0;margin-top:32px}
  .faq-q{font-size:16px;padding:20px 0}
  .cta-band{padding-top:60px;padding-bottom:60px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px}
  .site-footer{padding-top:52px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --bg:#F7F5F1;
    --bg-deep:#0F2E2A;
    --brand:#12403A;
    --brand-2:#1B5A50;
    --accent:#E4772E;
    --accent-dark:#D06A25;
    --accent-soft:#FBE7D6;
    --sand:#F1EDE6;
    --ink:#121614;
    --ink-2:#5A6660;
    --ink-3:#8A948E;
    --line:#E4E0D8;
    --card:#FFFFFF;
    --radius-card:16px;
    --radius-img:12px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(18,22,20,.04);
    --shadow-2:0 12px 28px -12px rgba(15,46,42,.18);
    --ease:cubic-bezier(.2,.8,.2,1);
  }

  *,*::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:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }

  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input{font-family:inherit;font-size:inherit;color:inherit;}
  h1,h2,h3,h4{font-weight:700;line-height:1.25;}
  ul{margin:0;padding:0;list-style:none;}

  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

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

  section[id]{scroll-margin-top:96px;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(247,245,241,.95);
    border-bottom:1px solid transparent;
    transition:border-color .18s var(--ease),background .18s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.97);
    border-bottom-color:var(--line);
  }

  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:72px;
  }

  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:38px;height:38px;flex-shrink:0;
    border-radius:12px;
    background:var(--brand);
    color:#fff;
    display:grid;place-items:center;
    font-size:18px;font-weight:800;
    letter-spacing:-.02em;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
  .brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--ink-3);}

  .nav-search{flex:1 1 auto;max-width:520px;min-width:200px;}

  .search-shell{
    display:flex;align-items:center;gap:10px;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:var(--radius-pill);
    height:46px;
    padding:0 6px 0 16px;
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .search-shell:focus-within{
    border-color:var(--brand);
    box-shadow:0 0 0 4px rgba(228,119,46,.18);
  }
  .search-shell .ico{color:var(--ink-3);flex-shrink:0;}
  .search-shell input{
    flex:1 1 auto;min-width:0;
    border:0;background:transparent;outline:none;
    font-size:14px;line-height:1.4;
  }
  .search-shell input::placeholder{color:var(--ink-3);}
  .search-submit{
    width:34px;height:34px;flex-shrink:0;
    border:0;border-radius:var(--radius-pill);
    background:var(--brand);color:#fff;
    display:grid;place-items:center;
    cursor:pointer;
    transition:background .18s var(--ease),transform .18s var(--ease);
  }
  .search-submit:hover{background:var(--brand-2);}

  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    position:relative;
    padding:8px 12px;
    font-size:14px;
    color:var(--ink-2);
    border-radius:var(--radius-pill);
    white-space:nowrap;
    transition:color .18s var(--ease),background .18s var(--ease);
  }
  .nav-link:hover{color:var(--brand);background:var(--sand);}
  .nav-link.active{color:var(--brand);font-weight:700;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;
    height:2px;border-radius:2px;background:var(--accent);
  }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-pill);
    border:1.5px solid transparent;
    font-size:14px;font-weight:600;
    padding:10px 22px;
    cursor:pointer;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 20px -10px rgba(228,119,46,.75);}
  .btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
  .btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
  .nav-cta{padding:9px 18px;font-size:13px;}

  .nav-toggle{
    display:none;
    width:44px;height:44px;flex-shrink:0;
    border:1px solid var(--line);
    border-radius:12px;
    background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    cursor:pointer;
    transition:border-color .18s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--brand);}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);}

  .chips-row{
    display:flex;gap:8px;align-items:center;
    overflow-x:auto;
    padding-top:2px;padding-bottom:12px;
    scrollbar-width:none;
  }
  .chips-row::-webkit-scrollbar{display:none;}
  .chip{
    flex-shrink:0;
    font-size:13px;
    padding:6px 14px;
    border-radius:var(--radius-pill);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink-2);
    white-space:nowrap;
    transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);}
  .chip.active{
    border-color:var(--brand);
    background:var(--accent-soft);
    color:var(--brand);
    font-weight:600;
  }

  .mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
  .mobile-panel.open{display:block;}
  .mobile-inner{padding-top:18px;padding-bottom:22px;display:flex;flex-direction:column;gap:16px;}
  .search-shell--mobile{height:50px;}
  .mobile-links{display:flex;flex-direction:column;gap:6px;}
  .mobile-link{
    padding:12px 14px;
    border-radius:12px;
    font-size:15px;
    color:var(--ink-2);
    transition:background .18s var(--ease),color .18s var(--ease);
  }
  .mobile-link:hover{background:var(--sand);color:var(--brand);}
  .mobile-link.active{background:var(--accent-soft);color:var(--brand);font-weight:700;}
  .mobile-cta{margin-top:8px;width:100%;padding:14px 20px;}

  /* ============ 页面头部 ============ */
  .page-hero{
    position:relative;
    background:var(--bg-deep);
    color:#fff;
    overflow:hidden;
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    opacity:.3;
  }
  .page-hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(15,46,42,.74) 0%,rgba(15,46,42,.9) 58%,rgba(15,46,42,.98) 100%);
  }
  .page-hero .container{position:relative;z-index:3;}

  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.6);
    padding-top:40px;
  }
  .crumbs a{transition:color .18s var(--ease);}
  .crumbs a:hover{color:var(--accent);}
  .crumbs span[aria-hidden]{color:rgba(255,255,255,.32);}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    margin-top:26px;
    font-size:12px;
    letter-spacing:.16em;
    color:var(--accent);
    font-weight:700;
  }
  .eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px;}

  .page-h1{
    font-size:clamp(2.2rem,4.6vw,3.6rem);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.02em;
    margin:16px 0 0;
  }
  .page-sub{
    margin:18px 0 0;
    max-width:760px;
    font-size:16px;
    line-height:1.85;
    color:rgba(255,255,255,.74);
  }

  .hero-search{margin-top:32px;max-width:600px;}
  .hero-search .search-shell{
    height:58px;
    border-color:transparent;
    box-shadow:0 18px 40px -22px rgba(0,0,0,.6);
  }

  .stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;padding-bottom:64px;}
  .stat{
    min-width:156px;
    padding:14px 20px;
    border:1px solid rgba(255,255,255,.18);
    border-radius:14px;
    background:rgba(255,255,255,.05);
  }
  .stat b{
    display:block;
    font-size:22px;font-weight:800;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .stat span{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.58);}

  /* ============ 区块通用 ============ */
  .section{padding:88px 0;}
  .section--tight{padding:56px 0 96px;}
  .section--sand{background:var(--sand);}

  .section-head{max-width:780px;margin-bottom:44px;}
  .section-label{
    font-size:12px;letter-spacing:.16em;font-weight:700;
    color:var(--accent);
  }
  .section-title{
    margin:12px 0 0;
    font-size:clamp(1.6rem,3vw,2.3rem);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.01em;
  }
  .section-desc{margin:14px 0 0;font-size:16px;color:var(--ink-2);max-width:720px;}

  /* ============ 矩阵网格 ============ */
  .matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .m-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    padding:26px 24px 22px;
    display:flex;flex-direction:column;
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  }
  .m-card:hover{
    transform:translateY(-3px);
    border-color:rgba(18,64,58,.35);
    box-shadow:var(--shadow-2);
  }
  .m-num{
    font-size:13px;font-weight:800;letter-spacing:.12em;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .m-title{margin:10px 0 0;font-size:18px;font-weight:700;}
  .m-text{margin:10px 0 0;font-size:14px;line-height:1.85;color:var(--ink-2);}
  .m-note{
    margin-top:18px;padding-top:14px;
    border-top:1px dashed var(--line);
    font-size:13px;line-height:1.8;
    color:var(--brand);
  }

  /* ============ 步骤条 ============ */
  .steps-wrap{
    background:var(--bg-deep);
    border-radius:24px;
    padding:52px 44px 46px;
    color:#fff;
  }
  .steps-head{max-width:720px;margin-bottom:38px;}
  .steps-head h2{margin:12px 0 0;font-size:clamp(1.5rem,2.6vw,2rem);color:#fff;}
  .steps-head p{margin:14px 0 0;font-size:15px;color:rgba(255,255,255,.66);}
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
  .step{position:relative;padding-top:30px;}
  .step::before{
    content:"";position:absolute;top:7px;left:0;right:0;height:2px;
    background:rgba(255,255,255,.16);
  }
  .step.on::before{background:var(--accent);}
  .step-dot{
    position:absolute;top:0;left:0;
    width:16px;height:16px;border-radius:50%;
    background:var(--bg-deep);
    border:2px solid rgba(255,255,255,.34);
  }
  .step.on .step-dot{border-color:var(--accent);background:var(--accent);}
  .step b{
    display:block;
    font-size:30px;font-weight:800;letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;
    color:rgba(255,255,255,.92);
  }
  .step h3{margin:8px 0 0;font-size:16px;font-weight:700;}
  .step p{margin:8px 0 0;font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);}

  /* ============ 对照表 ============ */
  .table-wrap{
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:#fff;
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  .cmp{width:100%;border-collapse:collapse;}
  .cmp thead th{
    background:var(--bg-deep);
    color:#fff;
    font-size:13px;font-weight:600;letter-spacing:.06em;
    text-align:left;
    padding:16px 22px;
  }
  .cmp tbody td{
    padding:18px 22px;
    font-size:14px;line-height:1.85;
    color:var(--ink-2);
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .cmp tbody tr:nth-child(even){background:var(--bg);}
  .cmp tbody tr:last-child td{border-bottom:0;}
  .cmp tbody td:first-child{
    width:24%;
    font-weight:700;
    color:var(--ink);
  }
  .cmp tbody td:last-child{color:var(--brand);}

  /* ============ 图文核对区 ============ */
  .split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
  }
  .split-media{
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    background:#fff;
  }
  .split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

  .check-list{margin-top:26px;border-top:1px solid var(--line);}
  .check-item{
    display:flex;gap:16px;
    padding:18px 0;
    border-bottom:1px solid var(--line);
  }
  .check-idx{
    flex-shrink:0;
    width:28px;height:28px;
    border-radius:8px;
    background:var(--accent-soft);
    color:var(--accent-dark);
    font-size:13px;font-weight:800;
    display:grid;place-items:center;
    font-variant-numeric:tabular-nums;
  }
  .check-item h3{margin:0;font-size:16px;font-weight:700;}
  .check-item p{margin:6px 0 0;font-size:14px;line-height:1.85;color:var(--ink-2);}

  /* ============ FAQ ============ */
  .faq-list{border-top:1px solid var(--line);max-width:900px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    background:transparent;border:0;
    padding:24px 4px;
    text-align:left;
    font-size:17px;font-weight:600;
    color:var(--ink);
    cursor:pointer;
    transition:color .18s var(--ease);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{position:relative;flex-shrink:0;width:22px;height:22px;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--accent);border-radius:2px;
    transition:transform .24s var(--ease),opacity .24s var(--ease);
  }
  .faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%);}
  .faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%);}
  .faq-item.open .faq-icon::before{opacity:0;transform:translateX(-50%) rotate(90deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-item.open .faq-a{max-height:340px;}
  .faq-a p{
    margin:0 0 24px;
    max-width:720px;
    font-size:15px;line-height:1.9;
    color:var(--ink-2);
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--bg-deep);
    border-radius:24px;
    padding:56px 48px;
    color:#fff;
  }
  .cta-glow{
    position:absolute;right:-70px;top:-80px;
    width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle,rgba(228,119,46,.36),rgba(228,119,46,0) 70%);
  }
  .cta-inner{position:relative;z-index:2;max-width:640px;}
  .cta-inner h2{margin:0;font-size:clamp(1.5rem,2.8vw,2.1rem);color:#fff;}
  .cta-inner p{margin:16px 0 0;font-size:15px;line-height:1.9;color:rgba(255,255,255,.7);}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .btn-onDark{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
  .btn-onDark:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
    padding-top:64px;
    padding-bottom:48px;
  }
  .footer-logo{font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
  .footer-brand p{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px;}
  .footer-col h4{
    margin:0 0 16px;
    font-size:13px;font-weight:600;letter-spacing:.1em;
    color:rgba(255,255,255,.48);
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    display:inline-block;
    font-size:15px;
    color:rgba(255,255,255,.78);
    transition:color .18s var(--ease),transform .18s var(--ease);
  }
  .footer-col a:hover{color:var(--accent);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding-top:20px;
    padding-bottom:30px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;
    color:rgba(255,255,255,.48);
  }
  .footer-bottom p{margin:0;}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-search,.nav-links{display:none;}
    .nav-toggle{display:flex;margin-left:auto;}
    .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px;}
    .split{grid-template-columns:1fr;gap:34px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
    .section{padding:72px 0;}
  }

  @media (max-width:767px){
    .container{padding-left:18px;padding-right:18px;}
    .header-inner{height:60px;gap:12px;}
    .brand-text em{display:none;}
    .brand-text strong{font-size:14px;}
    .brand-mark{width:32px;height:32px;font-size:16px;}
    .crumbs{padding-top:26px;}
    .page-h1{font-size:clamp(1.9rem,7vw,2.4rem);}
    .page-sub{font-size:15px;}
    .stat-row{padding-bottom:48px;gap:10px;}
    .stat{flex:1 1 44%;min-width:0;padding:12px 14px;}
    .section{padding:60px 0;}
    .section--tight{padding:40px 0 68px;}
    .steps-wrap{padding:36px 22px 34px;border-radius:20px;}
    .steps{grid-template-columns:1fr;}
    .step::before{top:7px;left:0;right:auto;width:100%;}
    .m-card{padding:22px 18px;}
    .cta-band{padding:40px 24px;border-radius:20px;}
    .footer-grid{grid-template-columns:1fr;gap:30px;padding-top:48px;padding-bottom:36px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .hero-search .search-shell{height:52px;}
  }

  @media (max-width:520px){
    .cmp{display:block;}
    .table-wrap{border:0;background:transparent;box-shadow:none;overflow:visible;}
    .cmp thead{display:none;}
    .cmp tbody,.cmp tr,.cmp td{display:block;width:100%;}
    .cmp tbody tr{
      background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-card);
      margin-bottom:14px;overflow:hidden;
    }
    .cmp tbody tr:nth-child(even){background:#fff;}
    .cmp tbody td{border-bottom:1px dashed var(--line);padding:12px 18px;}
    .cmp tbody td::before{
      content:attr(data-label);
      display:block;
      font-size:12px;letter-spacing:.08em;
      color:var(--ink-3);
      margin-bottom:4px;
    }
    .cmp tbody td:first-child{width:100%;font-size:16px;color:var(--brand);padding-top:16px;}
    .cmp tbody td:last-child{border-bottom:0;padding-bottom:16px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }