/* roulang page: index */
:root{
  --ink:#0E3B3E;
  --ink-deep:#092A2C;
  --coral:#E4613C;
  --paper:#FBFAF6;
  --mint:#E8F0ED;
  --white:#FFFFFF;
  --text:#16211F;
  --muted:#4E5D5A;
  --weak:#8A9693;
  --line:#E2E0D6;
  --dark:#0B2C2E;
  --dark-text:#F3F1E9;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(14,59,62,.06);
  --shadow-lg:0 14px 32px -14px rgba(14,59,62,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#0E3B3E;
  --bs-body-bg:#FBFAF6;
  --bs-body-color:#16211F;
  --bs-border-color:#E2E0D6;
  --bs-border-radius:12px;
  --bs-link-color:#0E3B3E;
  --bs-link-hover-color:#E4613C;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .14s var(--ease)}
a:hover{color:var(--coral)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC","Noto Sans SC",serif;font-weight:700;letter-spacing:-.5px;line-height:1.28;margin:0 0 16px;color:var(--ink)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1240px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,59,62,.06)}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:76px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:32px;height:32px;flex:0 0 32px;color:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:"Noto Serif SC",serif;font-weight:700;font-size:19px;letter-spacing:-.6px}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--weak);font-weight:500}
.nav-area{display:flex;align-items:center;gap:32px}
.nav-list{display:flex;align-items:center;gap:32px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--muted);
}
.nav-list a::after{
  content:"";position:absolute;left:-4px;right:-4px;bottom:0;height:2px;
  background:var(--ink);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-list a:hover{color:var(--ink)}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1)}
.nav-list a.active{color:var(--ink)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--ink);color:var(--dark-text);
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:background .14s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{background:var(--ink-deep);color:var(--dark-text);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:var(--white);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{font-family:inherit}
.btn-ink,.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:background .14s var(--ease),color .14s var(--ease),border-color .14s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-ink{background:var(--ink);border:1px solid var(--ink);color:var(--dark-text)}
.btn-ink:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:var(--dark-text);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-outline-ink{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn-outline-ink:hover{background:var(--mint);color:var(--ink);transform:translateY(-1px)}
.btn-ink:focus-visible,.btn-outline-ink:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:2px solid rgba(14,59,62,.2);padding-bottom:2px;
  transition:border-color .14s var(--ease),color .14s var(--ease);
}
.link-arrow:hover{color:var(--coral);border-color:var(--coral)}

/* ---------- generic section ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-kicker{
  display:inline-block;font-size:13px;letter-spacing:.14em;
  color:var(--weak);font-weight:500;margin-bottom:12px;
}
.sec-title{position:relative;padding-left:16px;margin-bottom:14px}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;
  background:var(--ink);border-radius:2px;
}
.sec-desc{color:var(--muted);font-size:16px;max-width:720px;margin:0}
.tag{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--mint);color:var(--ink);font-size:13px;font-weight:500;
}
.badge-soft{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--mint);color:var(--ink);font-size:13px;font-weight:500;
}
.num-mark{font-size:13px;color:var(--weak);font-weight:500;letter-spacing:.08em}

/* ---------- hero ---------- */
.hero{padding:72px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 62%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--weak);
  font-weight:500;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  letter-spacing:-1px;line-height:1.2;margin-bottom:20px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(rgba(11,44,46,.55),rgba(11,44,46,.25));
}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:var(--white);border-radius:12px;padding:12px 16px;
  box-shadow:0 12px 28px -14px rgba(11,44,46,.5);
  max-width:calc(100% - 40px);
}
.hero-float img{width:44px;height:44px;border-radius:8px;object-fit:cover;flex:0 0 44px}
.hero-float strong{display:block;font-size:15px;color:var(--ink);line-height:1.4}
.hero-float span{font-size:13px;color:var(--muted);line-height:1.4}
.hero-band{
  margin-top:64px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-band-item{padding:24px 20px 28px;border-right:1px solid var(--line)}
.hero-band-item:last-child{border-right:0}
.hero-band-item b{
  display:block;font-family:"Inter",system-ui,sans-serif;
  font-size:30px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-band-item small{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- metrics (dark) ---------- */
.metrics{background:var(--dark);color:var(--dark-text);position:relative;overflow:hidden}
.metrics::after{
  content:"";position:absolute;left:0;right:0;bottom:-10px;height:80px;
  background:radial-gradient(120% 100% at 50% 100%,rgba(228,97,60,.18),transparent 70%);
  opacity:.5;pointer-events:none;
}
.metrics .sec-title{color:var(--dark-text)}
.metrics .sec-title::before{background:var(--coral)}
.metrics .sec-kicker{color:rgba(243,241,233,.6)}
.metrics .sec-desc{color:rgba(243,241,233,.72)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:48px}
.metric-item{padding:0 28px;border-left:1px solid rgba(243,241,233,.16)}
.metric-item:first-child{border-left:0;padding-left:0}
.metric-value{
  font-family:"Inter",system-ui,sans-serif;font-weight:700;
  font-size:clamp(30px,3.4vw,44px);color:var(--coral);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.metric-value em{font-style:normal;font-size:16px;color:rgba(243,241,233,.75);margin-left:6px;font-weight:500}
.metric-label{margin-top:10px;font-size:15px;color:var(--dark-text);font-weight:500}
.metric-note{margin-top:6px;font-size:13px;color:rgba(243,241,233,.6);line-height:1.7}

/* ---------- bento matrix ---------- */
.card-x{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;height:100%;position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(14,59,62,.4)}
.card-x .num-mark{display:block;margin-bottom:14px}
.card-x h3{font-size:20px;margin-bottom:10px}
.card-x p{font-size:15px;color:var(--muted);margin-bottom:0}
.card-x .card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:500;color:var(--ink);
}
.card-x .card-link:hover{color:var(--coral)}
.feature-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-card .feature-body{padding:28px}
.icon-line{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;background:var(--mint);
  color:var(--ink);margin-bottom:16px;
}
.icon-line svg{width:22px;height:22px}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 40px 1fr;gap:0;align-items:stretch}
.compare-col{padding:32px;border-radius:var(--radius-card)}
.compare-before{background:#F3F1EA}
.compare-after{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--ink)}
.compare-col h3{font-size:20px;margin-bottom:20px}
.compare-col ul{display:grid;gap:16px}
.compare-col li{position:relative;padding-left:18px;font-size:15px;line-height:1.7}
.compare-col li::before{
  content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;
  background:var(--weak);
}
.compare-after li::before{background:var(--coral)}
.compare-before li{color:var(--muted)}
.compare-mid{display:flex;align-items:center;justify-content:center;color:var(--weak)}
.compare-mid svg{width:24px;height:24px}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.news-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(14,59,62,.4)}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;line-height:1.5;margin:0;letter-spacing:-.2px}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--coral)}
.news-excerpt{font-size:14px;color:var(--muted);margin:0}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--weak);
}
.news-foot a{font-size:13px;font-weight:500;color:var(--ink)}
.news-foot a:hover{color:var(--coral)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-news{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:48px;text-align:center;background:var(--white);
}
.empty-news svg{width:48px;height:48px;color:var(--weak);margin-bottom:16px}
.empty-news p{color:var(--muted);margin-bottom:20px}

/* ---------- faq ---------- */
.faq-acc .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  padding:24px 48px 24px 0;font-size:17px;font-weight:500;color:var(--text);
  font-family:"Noto Sans SC",sans-serif;line-height:1.6;
  display:flex;align-items:baseline;gap:14px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink)}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:22px;height:22px;font-size:22px;line-height:1;color:var(--coral);
  display:flex;align-items:center;justify-content:center;
  position:absolute;right:0;top:26px;
  transition:transform .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(228,97,60,.35);outline-offset:-2px}
.faq-num{font-size:13px;color:var(--weak);font-weight:500;letter-spacing:.06em;flex:0 0 auto}
.faq-acc .accordion-body{
  padding:0 48px 26px 32px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px;
}

/* ---------- contact ---------- */
.contact-wrap{background:var(--mint);border-radius:20px;padding:56px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-points{display:grid;gap:18px;margin:24px 0 28px}
.contact-points li{
  display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.7;
  padding-left:0;
}
.contact-points li::before{
  content:"";flex:0 0 20px;height:1px;background:var(--ink);margin-top:.85em;
}
.contact-info{font-size:15px;color:var(--muted)}
.contact-info b{color:var(--ink);font-weight:500}
.form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:500;color:var(--text);margin-bottom:6px}
.form-control,.form-select{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:10px;background:var(--white);
  font-size:15px;color:var(--text);font-family:inherit;
  transition:border-color .14s var(--ease),box-shadow .14s var(--ease);
}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,240,237,.9);
}
.form-control::placeholder{color:var(--weak)}
.form-card .btn-ink{width:100%}
.form-tip{margin:12px 0 0;font-size:12px;color:var(--weak);line-height:1.7}
.form-tip.is-on{color:var(--ink)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-name{color:var(--dark-text)}
.footer-brand .brand-mark{color:var(--coral)}
.footer-brand .brand-sub{color:rgba(243,241,233,.55)}
.footer-desc{font-size:14px;color:rgba(243,241,233,.7);margin:18px 0 0;max-width:320px;line-height:1.8}
.footer-col h4{font-size:15px;color:var(--dark-text);margin-bottom:16px;font-family:"Noto Sans SC",sans-serif;font-weight:500;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(243,241,233,.72);line-height:1.7}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(243,241,233,.14);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,241,233,.7);
}
.footer-bottom a{color:rgba(243,241,233,.7)}
.footer-bottom a:hover{color:var(--coral)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .contact-wrap{padding:44px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav-toggle{display:inline-flex}
  .nav-area{
    position:fixed;left:0;right:0;top:76px;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:16px 24px 24px;flex-direction:column;align-items:stretch;gap:0;
    display:none;box-shadow:0 16px 32px -20px rgba(14,59,62,.45);
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .nav-area.open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{padding:13px 0 13px 14px;border-left:3px solid transparent;font-size:16px}
  .nav-list a::after{display:none}
  .nav-list a.active{border-left-color:var(--ink);background:var(--mint)}
  .nav-cta{width:100%;margin-top:16px;min-height:44px}
  .hero{padding-top:52px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero-band{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .hero-band-item:nth-child(2){border-right:0}
  .hero-band-item:nth-child(1),.hero-band-item:nth-child(2){border-bottom:1px solid var(--line)}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;margin-top:36px}
  .metric-item{padding:0 24px}
  .metric-item:nth-child(odd){border-left:0;padding-left:0}
  .compare-grid{grid-template-columns:1fr;gap:16px}
  .compare-mid{display:none}
  .contact-wrap{padding:36px 24px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:575px){
  .section{padding:48px 0}
  .container{padding-left:18px;padding-right:18px}
  .nav-shell{height:64px}
  .nav-area{top:64px}
  .brand-name{font-size:17px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-ink,.hero-actions .btn-outline-ink{width:100%}
  .hero-band{grid-template-columns:1fr}
  .hero-band-item{border-right:0;border-bottom:1px solid var(--line);padding:18px 0}
  .hero-band-item:last-child{border-bottom:0}
  .metric-grid{grid-template-columns:1fr;gap:24px}
  .metric-item{border-left:0;padding-left:0;border-top:1px solid rgba(243,241,233,.16);padding-top:20px}
  .metric-item:first-child{border-top:0;padding-top:0}
  .card-x,.feature-card .feature-body{padding:22px}
  .faq-acc .accordion-button{font-size:16px;padding-right:40px}
  .faq-acc .accordion-body{padding:0 0 22px 32px}
  .contact-wrap{padding:28px 18px;border-radius:16px}
  .form-card{padding:22px;box-shadow:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --ink:#0E3B3E;
  --ink-deep:#092A2C;
  --coral:#E4613C;
  --paper:#FBFAF6;
  --mint:#E8F0ED;
  --card:#FFFFFF;
  --text:#16211F;
  --muted:#4E5D5A;
  --weak:#8A9693;
  --line:#E2E0D6;
  --dark:#0B2C2E;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(14,59,62,.06);
  --shadow-hover:0 14px 32px -14px rgba(14,59,62,.22);
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#0E3B3E;
  --bs-body-bg:#FBFAF6;
  --bs-body-color:#16211F;
  --bs-border-color:#E2E0D6;
  --bs-border-radius:12px;
  --bs-link-color:#0E3B3E;
  --bs-link-hover-color:#E4613C;
  --bs-font-sans-serif:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Noto Sans SC",serif;
  color:var(--ink);
  letter-spacing:-.5px;
  line-height:1.28;
  margin:0;
  font-weight:700;
}
p{margin:0 0 1em;}
a{color:var(--ink);text-decoration:none;transition:color .14s var(--ease);}
a:hover{color:var(--coral);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,59,62,.06);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;}
.brand:hover{color:var(--ink);}
.brand-mark{width:32px;height:32px;flex:0 0 32px;color:var(--ink);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:var(--weak);letter-spacing:.6px;}
.nav-area{display:flex;align-items:center;gap:32px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-list a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--muted);
  padding:6px 0;
}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ink);transition:width .18s var(--ease);
}
.nav-list a:hover{color:var(--ink);}
.nav-list a:hover::after{width:100%;}
.nav-list a.active{color:var(--ink);font-weight:700;}
.nav-list a.active::after{width:calc(100% + 8px);left:-4px;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--radius-sm);
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:500;
  transition:background .14s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s var(--ease),opacity .18s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:var(--weak);}
.crumb .current{color:var(--ink);font-weight:500;}

/* ---------- hero ---------- */
.cat-hero{padding:34px 0 56px;}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink);background:var(--mint);
  border-radius:6px;padding:4px 10px;letter-spacing:.4px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}
.cat-hero h1{font-size:clamp(30px,4vw,46px);letter-spacing:-1px;margin-bottom:16px;}
.cat-hero h1 .hl{color:var(--coral);}
.hero-lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:22px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:13px;color:var(--ink);background:var(--mint);
  padding:4px 10px;border-radius:6px;line-height:1.6;
}
.hero-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 22px;box-shadow:var(--shadow);
}
.hero-side h2{font-size:17px;margin-bottom:12px;}
.hero-side p{font-size:14.5px;color:var(--muted);margin-bottom:16px;line-height:1.85;}
.hero-side .side-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);padding:8px 0;
  border-top:1px solid var(--line);
}
.hero-side .side-list li:first-child{border-top:none;padding-top:0;}
.hero-side .dot{width:6px;height:6px;border-radius:50%;background:var(--coral);margin-top:9px;flex:0 0 6px;}

/* ---------- metrics ---------- */
.metrics{background:var(--dark);color:#F3F1E9;padding:44px 0;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.metric{padding:6px 26px;border-left:1px solid rgba(243,241,233,.16);}
.metric:first-child{border-left:none;padding-left:0;}
.metric-num{
  font-family:"Noto Sans SC",sans-serif;font-weight:700;font-size:38px;
  line-height:1.15;color:#fff;font-variant-numeric:tabular-nums;
}
.metric-num em{font-style:normal;font-size:15px;font-weight:500;color:var(--coral);margin-left:6px;}
.metric-cap{font-size:13px;color:rgba(243,241,233,.66);margin-top:6px;line-height:1.7;}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--mint);}
.section-head{margin-bottom:36px;}
.section-head .idx{display:block;font-size:13px;color:var(--weak);letter-spacing:1px;margin-bottom:8px;font-variant-numeric:tabular-nums;}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(22px,2.5vw,32px);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--ink);border-radius:2px;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:760px;}

/* ---------- two column body ---------- */
.layout-grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start;}
.entry-list{display:flex;flex-direction:column;gap:18px;}
.entry{
  display:grid;grid-template-columns:148px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,59,62,.4);}
.entry-thumb{
  width:100%;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--mint);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.entry:hover .entry-thumb img{transform:scale(1.03);}
.entry-body{min-width:0;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.badge-soft{
  display:inline-block;font-size:13px;color:var(--ink);background:var(--mint);
  border-radius:6px;padding:4px 10px;line-height:1.5;
}
.entry-date{font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums;}
.entry h3{font-size:19px;line-height:1.45;margin-bottom:8px;}
.entry h3 a{color:var(--ink);}
.entry h3 a:hover{color:var(--coral);}
.entry p{font-size:14.5px;color:var(--muted);margin-bottom:10px;line-height:1.8;}
.entry-more{font-size:14px;font-weight:500;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.entry-more::after{content:"→";transition:transform .18s var(--ease);}
.entry-more:hover{color:var(--coral);}
.entry-more:hover::after{transform:translateX(4px);}

/* ---------- sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.side-card h2,.side-card h3{font-size:16.5px;margin-bottom:14px;padding-left:12px;position:relative;}
.side-card h2::before,.side-card h3::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:15px;background:var(--coral);border-radius:2px;
}
.side-nav li + li{border-top:1px solid var(--line);}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--muted);}
.side-nav a span{color:var(--weak);font-size:13px;}
.side-nav a:hover{color:var(--ink);}
.side-nav a.is-now{color:var(--ink);font-weight:700;}
.side-contact p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:14px;}
.side-contact .btn-solid{width:100%;justify-content:center;}
.side-hours li{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted);padding:8px 0;border-top:1px dashed var(--line);}
.side-hours li:first-child{border-top:none;padding-top:0;}
.side-hours b{color:var(--ink);font-weight:500;}

/* ---------- buttons ---------- */
.btn-solid,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background .14s var(--ease),color .14s var(--ease),transform .18s var(--ease),border-color .14s var(--ease);
}
.btn-solid{background:var(--ink);color:#fff;border:1px solid var(--ink);}
.btn-solid:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-line:hover{background:var(--mint);color:var(--ink);transform:translateY(-1px);}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.process{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.process:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,59,62,.4);}
.process .num{font-size:13px;color:var(--weak);letter-spacing:1px;font-variant-numeric:tabular-nums;}
.process h3{font-size:18px;margin:8px 0 10px;}
.process p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-list{border-top:1px solid var(--line);}
.faq-list .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);}
.faq-list .accordion-header{margin:0;}
.faq-list .accordion-button{
  background:transparent;box-shadow:none;border:none;
  padding:20px 44px 20px 44px;position:relative;
  font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
}
.faq-list .accordion-button:not(.collapsed){background:transparent;color:var(--ink);}
.faq-list .accordion-button:focus{box-shadow:none;outline:2px solid var(--coral);outline-offset:-2px;}
.faq-list .accordion-button::before{
  content:attr(data-no);position:absolute;left:0;top:22px;
  font-family:"Noto Sans SC",sans-serif;font-size:13px;color:var(--weak);font-weight:400;
}
.faq-list .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:22px;line-height:1;color:var(--coral);font-weight:400;
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  transition:transform .18s var(--ease);
}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.faq-list .accordion-body{
  padding:0 44px 24px 44px;font-size:15px;color:var(--muted);line-height:1.85;max-width:760px;
}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:#F3F1E9;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:-40px;height:120px;
  background:radial-gradient(ellipse at 50% 100%,rgba(232,240,237,.10),transparent 70%);
  pointer-events:none;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-inner p{color:rgba(243,241,233,.72);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-solid{background:var(--coral);border-color:var(--coral);}
.cta-band .btn-solid:hover{background:#cf5330;border-color:#cf5330;}
.cta-band .btn-line{color:#F3F1E9;border-color:rgba(243,241,233,.5);}
.cta-band .btn-line:hover{background:rgba(243,241,233,.12);color:#fff;border-color:#F3F1E9;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#F3F1E9;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#F3F1E9;margin-bottom:16px;}
.footer-brand .brand-mark{color:#F3F1E9;}
.footer-brand .brand-sub{color:rgba(243,241,233,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,241,233,.68);margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul li{font-size:14px;color:rgba(243,241,233,.68);line-height:1.85;padding:5px 0;}
.footer-col a{color:rgba(243,241,233,.68);}
.footer-col a:hover{color:var(--coral);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(243,241,233,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,241,233,.7);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px;}
  .layout-grid{grid-template-columns:1fr;gap:32px;}
  .side-stack{position:static;}
  .process-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .metric{padding:14px 22px;border-left:1px solid rgba(243,241,233,.16);}
  .metric:nth-child(odd){border-left:none;padding-left:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(243,241,233,.16);}
}
@media (max-width:992px){
  .nav-toggle{display:flex;}
  .nav-area{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 14px 32px -14px rgba(14,59,62,.22);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 20px 20px;display:none;
  }
  .nav-area.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-list a{display:block;padding:14px 0 14px 12px;font-size:15.5px;}
  .nav-list a::after{display:none;}
  .nav-list a.active{box-shadow:inset 3px 0 0 var(--ink);}
  .nav-cta{margin-top:16px;width:100%;height:44px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .cat-hero{padding:26px 0 44px;}
  .entry{grid-template-columns:1fr;gap:14px;padding:16px;}
  .entry-thumb{aspect-ratio:16/9;}
  .process-grid{grid-template-columns:1fr;}
  .faq-list .accordion-button{padding:18px 36px 18px 36px;font-size:16px;}
  .faq-list .accordion-button::before{top:20px;}
  .faq-list .accordion-body{padding:0 36px 22px 36px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:10.5px;letter-spacing:.3px;}
  .nav-shell{height:64px;}
  .metric-grid{grid-template-columns:1fr;}
  .metric{padding:14px 0 !important;border-left:none !important;border-bottom:1px solid rgba(243,241,233,.16);}
  .metric:last-child{border-bottom:none;}
  .metric-num{font-size:32px;}
  .side-card{padding:20px;}
  .btn-solid,.btn-line{width:100%;}
  .cta-actions{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#0E3B3E;
  --brand-deep:#092A2C;
  --accent:#E4613C;
  --bg:#FBFAF6;
  --bg-soft:#E8F0ED;
  --bg-mute:#F3F1EA;
  --card:#FFFFFF;
  --ink:#16211F;
  --ink-2:#4E5D5A;
  --ink-3:#8A9693;
  --line:#E2E0D6;
  --dark:#0B2C2E;
  --dark-ink:#F3F1E9;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(14,59,62,.06);
  --shadow-2:0 14px 32px -14px rgba(14,59,62,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-serif:'Noto Serif SC','Noto Sans SC',serif;
  --bs-primary:#0E3B3E;
  --bs-body-bg:#FBFAF6;
  --bs-body-color:#16211F;
  --bs-border-color:#E2E0D6;
  --bs-border-radius:16px;
  --bs-link-color:#0E3B3E;
  --bs-link-hover-color:#E4613C;
  --bs-font-sans-serif:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .14s var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,59,62,.06);}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand);}
.brand:hover{color:var(--brand);}
.brand-mark{width:32px;height:32px;flex:0 0 32px;}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-name{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.6px;}
.nav-area{display:flex;align-items:center;gap:32px;}
.nav-list{display:flex;align-items:center;gap:32px;list-style:none;}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;
}
.nav-list a::after{
  content:"";position:absolute;left:-4px;right:-4px;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-list a:hover,.nav-list a.active{color:var(--brand);}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:500;
  transition:background .14s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .18s var(--ease),opacity .18s var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Article hero ---------- */
.article-hero{
  background:linear-gradient(180deg,#F1F6F3 0%,#FBFAF6 100%);
  border-bottom:1px solid var(--line);
  padding:22px 0 44px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--brand);}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--bg-soft);
  color:var(--brand);font-size:13px;font-weight:500;
}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(27px,3.6vw,42px);
  line-height:1.32;letter-spacing:-.6px;
  color:var(--ink);
  margin:16px 0 20px;
  max-width:900px;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:8px 22px;font-size:14px;color:var(--ink-3);
  padding-top:18px;border-top:1px solid var(--line);max-width:900px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}

/* ---------- Article layout ---------- */
.article-main{padding:52px 0 76px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body h2{
  font-family:var(--font-serif);
  font-size:22px;line-height:1.4;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;
  width:3px;height:18px;border-radius:2px;background:var(--brand);
}
.article-body h3{
  font-size:18px;line-height:1.5;color:var(--ink);font-weight:600;
  margin:28px 0 12px;
}
.article-body h4{font-size:16px;color:var(--ink);margin:22px 0 10px;font-weight:600;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:9px;line-height:1.9;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--accent);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--bg-soft);border-left:3px solid var(--accent);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:14px 0;
  border-radius:var(--r-img);border:1px solid var(--line);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--line);
}
.article-body th{
  background:var(--bg-soft);color:var(--ink);font-weight:600;
  border:1px solid var(--line);padding:11px 14px;text-align:left;
}
.article-body td{
  border:1px solid var(--line);padding:11px 14px;color:var(--ink-2);
}
.article-body tbody tr:nth-child(even) td{background:var(--bg);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:500;color:var(--brand);
  transition:gap .18s var(--ease),color .14s var(--ease);
}
.back-link:hover{gap:12px;color:var(--accent);}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--bg-soft);
  color:var(--brand);font-size:13px;
}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;padding:56px 32px;text-align:center;
}
.empty-state h2{
  font-family:var(--font-serif);font-size:24px;color:var(--ink);
  margin:0 0 14px;padding:0;
}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--ink-2);max-width:520px;margin:0 auto 26px;}

/* ---------- Sidebar ---------- */
.article-side{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;font-weight:600;color:var(--ink);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-links{list-style:none;display:flex;flex-direction:column;}
.side-links li + li{margin-top:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;font-size:14px;color:var(--ink-2);
  transition:color .14s var(--ease),padding-left .18s var(--ease);
}
.side-links a:hover{color:var(--brand);padding-left:4px;}
.side-links a span.arw{color:var(--ink-3);font-size:13px;}
.side-note{font-size:13px;color:var(--ink-3);line-height:1.8;margin:0;}
.side-cta{
  display:flex;align-items:center;justify-content:center;
  min-height:44px;margin-top:16px;padding:0 18px;
  background:var(--brand);color:#fff;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;
  transition:background .14s var(--ease),transform .18s var(--ease);
}
.side-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}

/* ---------- Related ---------- */
.related{padding:72px 0;background:var(--bg-soft);border-top:1px solid var(--line);}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.sec-title{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.6vw,32px);
  letter-spacing:-.5px;line-height:1.3;
  padding-left:16px;position:relative;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.3em;
  width:3px;height:20px;border-radius:2px;background:var(--brand);
}
.sec-desc{font-size:15px;color:var(--ink-2);max-width:560px;margin:0;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.post-card:hover{
  transform:translateY(-3px);
  border-color:rgba(14,59,62,.4);
  box-shadow:var(--shadow-2);
}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
.post-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{
  display:flex;flex-direction:column;gap:10px;
  padding:20px 22px 22px;flex:1;
}
.post-body h3{
  font-size:17px;line-height:1.55;color:var(--ink);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;line-height:1.8;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);
}
.post-foot .arw{color:var(--brand);font-weight:500;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--dark-ink);
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(11,44,46,.88),rgba(11,44,46,.78));
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
}
.cta-inner h2{
  font-family:var(--font-serif);color:#fff;
  font-size:clamp(22px,2.6vw,32px);line-height:1.35;letter-spacing:-.4px;
  margin:0 0 14px;
}
.cta-inner p{color:rgba(243,241,233,.78);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:background .14s var(--ease),transform .18s var(--ease),color .14s var(--ease),border-color .14s var(--ease);
}
.btn-main{background:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#cf5130;color:#fff;transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:#fff;border-color:rgba(243,241,233,.42);
}
.btn-ghost:hover{background:rgba(243,241,233,.12);color:#fff;border-color:rgba(243,241,233,.72);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);color:var(--dark-ink);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.site-footer .brand{color:#F3F1E9;margin-bottom:16px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(243,241,233,.55);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(243,241,233,.68);margin:0;max-width:340px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{
  font-size:14px;color:rgba(243,241,233,.68);line-height:1.7;
}
.footer-col a{transition:color .14s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(243,241,233,.14);
  font-size:13px;color:rgba(243,241,233,.7);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .article-body{max-width:100%;}
}
@media (max-width:992px){
  .nav-toggle{display:flex;}
  .nav-shell{height:64px;}
  .nav-area{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 14px 32px -14px rgba(14,59,62,.22);
    padding:16px 24px 24px;
  }
  .nav-area.open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{
    padding:13px 0 13px 14px;font-size:16px;
    border-left:3px solid transparent;
  }
  .nav-list a::after{display:none;}
  .nav-list a.active,.nav-list a:hover{border-left-color:var(--brand);}
  .nav-cta{width:100%;height:46px;margin-top:16px;}
  .related{padding:56px 0;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:100%;}
  .article-hero{padding:18px 0 36px;}
}
@media (max-width:768px){
  .article-main{padding:38px 0 56px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{margin-top:34px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .article-title{font-size:24px;letter-spacing:-.3px;}
  .article-meta{font-size:13px;gap:6px 14px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-main,.btn-ghost{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --ink:#0E3B3E;
  --ink-deep:#092A2C;
  --coral:#E4613C;
  --paper:#FBFAF6;
  --mint:#E8F0ED;
  --white:#FFFFFF;
  --text:#16211F;
  --text-2:#4E5D5A;
  --text-3:#8A9693;
  --line:#E2E0D6;
  --dark:#0B2C2E;
  --dark-text:#F3F1E9;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(14,59,62,.06);
  --sh-hover:0 14px 32px -14px rgba(14,59,62,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --sp-section:96px;

  --bs-primary:#0E3B3E;
  --bs-body-color:#16211F;
  --bs-body-bg:#FBFAF6;
  --bs-border-color:#E2E0D6;
  --bs-border-radius:16px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#0E3B3E;
  --bs-link-hover-color:#E4613C;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",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;transition:color .14s var(--ease);}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Songti SC",serif;font-weight:700;line-height:1.25;letter-spacing:-.5px;color:var(--text);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;}

.container{
  width:min(100% - 40px, var(--container));
  margin-inline:auto;
}
@media (min-width:1440px){ .container{ --container:1240px; } }

/* ============ 通用按钮 / 标签 ============ */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .14s var(--ease),color .14s var(--ease),border-color .14s var(--ease),box-shadow .18s var(--ease);
}
.btn-brand{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:var(--sh);}
.btn-brand:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(14,59,62,.35);}
.btn-ghost:hover{background:var(--mint);color:var(--ink-deep);border-color:var(--ink);transform:translateY(-1px);}
.btn-coral{background:var(--coral);border-color:var(--coral);color:#fff;}
.btn-coral:hover{background:#cd5330;border-color:#cd5330;color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(228,97,60,.75);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

.tag{
  display:inline-flex;align-items:center;
  font-size:13px;line-height:1;padding:6px 10px;border-radius:6px;
  background:var(--mint);color:var(--ink);font-weight:500;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--coral);letter-spacing:.5px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--coral);border-radius:2px;}

.section-title{
  position:relative;padding-left:14px;
  font-size:clamp(22px,2.6vw,34px);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.22em;
  width:3px;height:18px;background:var(--ink);border-radius:2px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head p{color:var(--text-2);font-size:15px;margin:10px 0 0;max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .14s var(--ease),border-color .14s var(--ease),gap .18s var(--ease);
}
.text-link:hover{color:var(--coral);border-color:var(--coral);gap:10px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,250,246,.94);
  backdrop-filter:saturate(1.1) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,59,62,.06);background:#fff;}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand-mark{width:30px;height:30px;color:var(--ink);flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-family:"Noto Serif SC",serif;font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.6px;}

.nav-area{display:flex;align-items:center;gap:32px;}
.nav-list{display:flex;align-items:center;gap:32px;}
.nav-list > li > a{
  position:relative;display:inline-block;padding:6px 4px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .14s var(--ease);
}
.nav-list > li > a::after{
  content:"";position:absolute;left:-4px;right:-4px;bottom:-2px;height:2px;
  background:var(--ink);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-list > li > a:hover{color:var(--ink);}
.nav-list > li > a:hover::after{transform:scaleX(1);}
.nav-list > li > a.active{color:var(--ink);font-weight:700;}
.nav-list > li > a.active::after{transform:scaleX(1);}

.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;font-size:14px;font-weight:500;
  transition:background-color .14s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(14,59,62,.9);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .14s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle:hover{border-color:var(--ink);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--coral);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink);font-weight:500;}

/* ============ Hero ============ */
.page-hero{padding:28px 0 0;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);
  gap:48px;align-items:center;
}
.hero-copy h1{
  font-size:clamp(28px,3.5vw,44px);
  letter-spacing:-.8px;
  margin-bottom:18px;
}
.hero-lead{
  font-size:16px;line-height:1.9;color:var(--text-2);
  max-width:640px;margin-bottom:20px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}

.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
}
.hero-figure-card{
  position:absolute;left:-18px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--sh-hover);
  max-width:250px;
}
.hero-figure-card strong{
  display:block;font-family:"Noto Serif SC",serif;font-size:15px;color:var(--ink);margin-bottom:4px;
}
.hero-figure-card span{font-size:13px;color:var(--text-2);line-height:1.6;display:block;}

/* ============ 数据条 ============ */
.stat-strip{
  margin-top:56px;
  background:var(--dark);
  border-radius:var(--r-card);
  padding:34px 12px;
  display:grid;grid-template-columns:repeat(4,1fr);
  position:relative;overflow:hidden;
}
.stat-strip::after{
  content:"";position:absolute;left:0;right:0;bottom:-30px;height:80px;
  background:radial-gradient(ellipse at 50% 100%,rgba(232,240,237,.14),transparent 70%);
  pointer-events:none;
}
.stat-item{position:relative;padding:0 24px;text-align:left;}
.stat-item + .stat-item{border-left:1px solid rgba(243,241,233,.16);}
.stat-num{
  font-family:Inter,"Noto Sans SC",system-ui,sans-serif;
  font-size:clamp(28px,3.2vw,40px);font-weight:700;line-height:1.1;
  color:var(--coral);font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-num small{font-size:15px;font-weight:500;color:var(--dark-text);margin-left:4px;letter-spacing:0;}
.stat-label{margin-top:8px;font-size:13px;color:rgba(243,241,233,.72);line-height:1.6;}

/* ============ 筛选标签 ============ */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 0 0;
}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--text-2);
  transition:all .16s var(--ease);
}
.chip:hover{border-color:rgba(14,59,62,.45);color:var(--ink);transform:translateY(-1px);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ============ 卡片网格 ============ */
.section{padding:var(--sp-section) 0 0;}
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin-top:28px;
}
.svc-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(14,59,62,.4);}
.svc-card figure{margin:0;position:relative;overflow:hidden;}
.svc-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.svc-card:hover img{transform:scale(1.03);}
.svc-card .card-no{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;
  color:var(--ink);background:rgba(255,255,255,.92);
  padding:3px 8px;border-radius:6px;letter-spacing:.5px;
}
.svc-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.svc-body h3{font-size:19px;margin-bottom:10px;letter-spacing:-.3px;}
.svc-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px;}
.svc-body .svc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.svc-body .arrow{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:all .16s var(--ease);flex:none;
}
.svc-card:hover .arrow{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateX(2px);}

/* ============ 流程 ============ */
.flow{
  margin-top:32px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  border-top:1px solid var(--line);padding-top:32px;
}
.flow-item{position:relative;padding-right:16px;}
.flow-item .no{
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;
  color:var(--coral);letter-spacing:1px;display:block;margin-bottom:10px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0;}
.flow-item + .flow-item{border-left:1px solid var(--line);padding-left:24px;}

/* ============ 提示区 ============ */
.note-block{
  margin-top:32px;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh);
}
.note-list li{
  display:flex;gap:12px;padding:14px 0;font-size:15px;color:var(--text-2);line-height:1.75;
  border-bottom:1px solid var(--line);
}
.note-list li:last-child{border-bottom:0;padding-bottom:0;}
.note-list li:first-child{padding-top:0;}
.note-list .dot{
  flex:none;width:6px;height:6px;border-radius:50%;background:var(--coral);margin-top:10px;
}
.note-list strong{color:var(--text);font-weight:500;}
.note-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}

/* ============ FAQ ============ */
.faq-wrap{margin-top:32px;max-width:900px;}
.faq-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;
}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:22px 44px 22px 0;
  font-family:"Noto Sans SC",sans-serif;font-size:17px;font-weight:500;color:var(--text);
  line-height:1.6;transition:color .14s var(--ease);
}
.faq-accordion .accordion-button:hover{color:var(--ink);}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;border:0;}
.faq-accordion .faq-num{
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;color:var(--text-3);
  margin-right:12px;letter-spacing:.5px;
}
.faq-accordion .accordion-button::after{
  content:"";width:10px;height:10px;background:none;
  border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s var(--ease);margin-left:auto;position:absolute;right:12px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translateY(-2px);}
.faq-accordion .accordion-body{
  padding:0 60px 24px 0;font-size:15px;line-height:1.8;color:var(--text-2);max-width:720px;
}

/* ============ CTA ============ */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--dark);border-radius:var(--r-card);
  padding:52px 44px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;left:-40px;right:-40px;bottom:-70px;height:170px;
  border-radius:50%;
  border:1px solid rgba(232,240,237,.10);
  background:radial-gradient(ellipse at 50% 100%,rgba(232,240,237,.10),transparent 65%);
  pointer-events:none;
}
.cta-band h2{color:var(--dark-text);font-size:clamp(22px,2.5vw,32px);margin-bottom:14px;}
.cta-band p{color:rgba(243,241,233,.76);font-size:15px;line-height:1.85;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2;}
.cta-actions .btn-ghost{color:var(--dark-text);border-color:rgba(243,241,233,.4);}
.cta-actions .btn-ghost:hover{background:rgba(243,241,233,.12);color:#fff;border-color:rgba(243,241,233,.75);}
.cta-contact{margin-top:18px;font-size:13px;color:rgba(243,241,233,.6);position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sp-section);
  background:var(--dark);color:var(--dark-text);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;
}
.footer-brand .brand{color:var(--dark-text);}
.footer-brand .brand-mark{color:var(--dark-text);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(243,241,233,.5);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(243,241,233,.68);max-width:330px;}
.footer-col h4{
  font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:700;color:#fff;
  margin-bottom:16px;letter-spacing:.4px;
}
.footer-col ul li{font-size:14px;color:rgba(243,241,233,.68);line-height:1.9;margin-bottom:8px;}
.footer-col ul li a{color:rgba(243,241,233,.68);}
.footer-col ul li a:hover{color:var(--coral);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,241,233,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(243,241,233,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .hero-grid{gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .nav-shell{height:64px;}
  .nav-toggle{display:flex;}
  .nav-area{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px -20px rgba(14,59,62,.45);
    padding:12px 20px 22px;
  }
  .nav-area.open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list > li > a{
    display:block;padding:14px 12px;border-left:3px solid transparent;
    font-size:15px;border-radius:8px;
  }
  .nav-list > li > a::after{display:none;}
  .nav-list > li > a:hover{background:var(--mint);}
  .nav-list > li > a.active{border-left-color:var(--ink);background:var(--mint);}
  .nav-cta{margin-top:14px;width:100%;height:46px;}

  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-figure{order:2;}
  .hero-figure-card{position:static;margin-top:16px;max-width:none;box-shadow:var(--sh);}
  .stat-strip{grid-template-columns:repeat(2,1fr);padding:26px 8px;gap:22px 0;}
  .stat-item{padding:0 20px;}
  .stat-item:nth-child(odd){border-left:0;}
  .stat-item:nth-child(3){border-left:0;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .flow-item:nth-child(odd){border-left:0;padding-left:0;}
  .note-block{grid-template-columns:1fr;padding:28px;gap:24px;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:26px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  .container{width:calc(100% - 32px);}
  .hero-copy h1{letter-spacing:-.4px;}
  .hero-lead{font-size:15.5px;}
  .card-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{padding:0 20px;}
  .stat-item + .stat-item{border-left:0;border-top:1px solid rgba(243,241,233,.16);padding-top:20px;margin-top:20px;}
  .flow{grid-template-columns:1fr;}
  .flow-item + .flow-item{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:20px;margin-top:20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .faq-accordion .accordion-button{font-size:16px;padding-right:36px;}
  .faq-accordion .accordion-body{padding-right:12px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .brand-name{font-size:16px;}
  .brand-sub{font-size:10px;}
  .hero-figure img{aspect-ratio:16/11;}
  .stat-strip{padding:24px 6px;}
  .svc-body{padding:18px 18px 18px;}
  .cta-band{padding:32px 20px;}
}

/* roulang page: category3 */
:root{
  --ink:#0E3B3E;
  --ink-deep:#092A2C;
  --coral:#E4613C;
  --paper:#FBFAF6;
  --water:#E8F0ED;
  --white:#FFFFFF;
  --text:#16211F;
  --text-2:#4E5D5A;
  --text-3:#8A9693;
  --line:#E2E0D6;
  --dark:#0B2C2E;
  --dark-text:#F3F1E9;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(14,59,62,.06);
  --sh2:0 14px 32px -14px rgba(14,59,62,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#0E3B3E;
  --bs-primary-rgb:14,59,62;
  --bs-body-bg:#FBFAF6;
  --bs-body-color:#16211F;
  --bs-border-color:#E2E0D6;
  --bs-border-radius:10px;
  --bs-link-color:#0E3B3E;
  --bs-link-hover-color:#E4613C;
  --bs-font-sans-serif:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--ink);text-decoration:none;transition:color .14s var(--ease)}
a:hover{color:var(--coral)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{font-family:"Noto Serif SC",Georgia,serif;font-weight:700;color:var(--ink);letter-spacing:-.5px;line-height:1.3;margin:0}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
::selection{background:rgba(228,97,60,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1240px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,59,62,.06)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;color:var(--ink);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;letter-spacing:-.4px;color:var(--ink)}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.12em;margin-top:2px}
.nav-area{display:flex;align-items:center;gap:32px}
.nav-list{display:flex;align-items:center;gap:32px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .14s var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ink);transition:width .18s var(--ease);
}
.nav-list a:hover{color:var(--ink)}
.nav-list a:hover::after{width:100%}
.nav-list a.active{color:var(--ink)}
.nav-list a.active::after{width:calc(100% + 8px);left:-4px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;font-size:14px;font-weight:500;
  border:1px solid var(--ink);
  transition:background .14s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(14,59,62,.6)}
.nav-cta:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
@media (max-width:992px){
  .nav-shell{height:64px}
  .nav-toggle{display:flex}
  .nav-area{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:8px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:16px 24px 24px;box-shadow:0 18px 32px -20px rgba(14,59,62,.35);
    display:none;
  }
  body.nav-open .nav-area{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list a{padding:12px 0 12px 12px;border-left:3px solid transparent;font-size:15px}
  .nav-list a::after{display:none}
  .nav-list a.active{border-left-color:var(--ink);background:var(--water);border-radius:0 8px 8px 0;color:var(--ink)}
  .nav-cta{width:100%;min-height:44px;margin-top:8px}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:20px 0 4px;font-size:13px;color:var(--text-2)}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumb-bar li{display:flex;align-items:center;gap:8px}
.breadcrumb-bar li+li::before{content:"/";color:var(--text-3)}
.breadcrumb-bar a{color:var(--text-2)}
.breadcrumb-bar a:hover{color:var(--coral)}
.breadcrumb-bar .current{color:var(--ink);font-weight:500}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-water{background:var(--water)}
.section-head{max-width:760px;margin-bottom:32px}
.sec-index{
  display:inline-block;font-family:"Inter",system-ui,sans-serif;
  font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-bottom:10px;
}
.sec-title{
  font-size:clamp(22px,2.6vw,34px);
  display:flex;align-items:flex-start;gap:12px;
}
.sec-title::before{
  content:"";flex:0 0 auto;width:3px;height:22px;margin-top:8px;
  background:var(--coral);border-radius:2px;
}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:16px;max-width:720px}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;font-family:inherit;
  transition:background .14s var(--ease),color .14s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .14s var(--ease);
  cursor:pointer;text-align:center;
}
.btn-main{background:var(--ink);color:#fff;border:1px solid var(--ink)}
.btn-main:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -18px rgba(14,59,62,.8)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--water);color:var(--ink);transform:translateY(-1px)}
.btn-light-solid{background:#fff;color:var(--ink);border:1px solid #fff}
.btn-light-solid:hover{background:var(--water);color:var(--ink);transform:translateY(-1px)}
.btn-main:focus-visible,.btn-ghost:focus-visible,.btn-light-solid:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--coral);outline-offset:2px}

/* ============ 分类首屏 ============ */
.page-hero{padding:28px 0 64px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.h1-block h1{font-size:clamp(28px,3.6vw,44px);letter-spacing:-1px}
.h1-accent{display:block;color:var(--ink);opacity:.92;font-size:clamp(20px,2.4vw,28px);margin-top:10px;letter-spacing:-.4px}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--water);color:var(--ink);
  font-size:13px;padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid rgba(14,59,62,.08);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}
.hero-visual{position:relative}
.hero-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh1);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
}
.hero-strip div{padding:16px 14px;text-align:left}
.hero-strip div+div{border-left:1px solid var(--line)}
.hero-strip strong{
  display:block;font-family:"Inter",system-ui,sans-serif;font-weight:700;
  font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-strip span{display:block;font-size:12px;color:var(--text-3);margin-top:4px;letter-spacing:.02em}

/* ============ 序号序列列表 ============ */
.seq-list{display:flex;flex-direction:column;gap:28px;margin-top:8px}
.seq-item{
  position:relative;display:grid;grid-template-columns:72px 1fr;gap:24px;
  padding-bottom:28px;
}
.seq-item:last-child{padding-bottom:0}
.seq-item:not(:last-child)::after{
  content:"";position:absolute;left:35.5px;top:76px;bottom:2px;width:1px;background:var(--line);
}
.seq-num{
  width:72px;height:72px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  font-family:"Inter",system-ui,sans-serif;font-weight:700;font-size:20px;
  color:var(--ink);font-variant-numeric:tabular-nums;
  transition:border-color .18s var(--ease),background .18s var(--ease),color .14s var(--ease);
}
.seq-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.seq-item:hover .seq-num{background:var(--ink);color:#fff;border-color:var(--ink)}
.seq-item:hover .seq-main{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,59,62,.4)}
.seq-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.seq-top h3{font-size:20px;letter-spacing:-.3px}
.badge-soft{
  display:inline-flex;align-items:center;background:var(--water);color:var(--ink);
  font-size:13px;padding:3px 10px;border-radius:var(--r-badge);font-weight:500;
}
.badge-line{
  display:inline-flex;align-items:center;background:transparent;color:var(--coral);
  border:1px solid rgba(228,97,60,.32);font-size:13px;padding:3px 10px;border-radius:var(--r-badge);
}
.seq-main p{color:var(--text-2);font-size:15.5px;margin-bottom:14px;max-width:720px}
.seq-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.seq-link:hover{color:var(--coral);border-bottom-color:var(--coral)}
.seq-link .arrow{transition:transform .18s var(--ease)}
.seq-link:hover .arrow{transform:translateX(4px)}

/* ============ 要点三栏 ============ */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:8px}
.pillar{
  padding-left:20px;border-left:3px solid var(--ink);
}
.pillar h3{font-size:19px;margin-bottom:10px}
.pillar p{color:var(--text-2);font-size:15px;margin:0}
.pillar .idx{font-family:"Inter",system-ui,sans-serif;font-size:13px;color:var(--text-3);display:block;margin-bottom:6px;letter-spacing:.1em}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:12px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,59,62,.4)}
.flow-step .step-num{
  font-family:"Inter",system-ui,sans-serif;font-weight:700;font-size:13px;letter-spacing:.14em;
  color:var(--coral);display:block;margin-bottom:10px;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--text-2);margin:0}

/* ============ FAQ ============ */
.faq-acc{border-top:1px solid var(--line);margin-top:8px;max-width:900px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;color:var(--text);
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;
  padding:22px 44px 22px 0;display:flex;align-items:flex-start;gap:12px;line-height:1.5;
  transition:color .14s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq-acc .accordion-button:hover{color:var(--ink)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--coral);outline-offset:2px}
.faq-acc .accordion-button::after{display:none}
.faq-num{font-family:"Inter",system-ui,sans-serif;font-size:13px;font-weight:500;color:var(--text-3);padding-top:4px;letter-spacing:.06em}
.faq-sign{position:absolute;right:4px;top:26px;width:16px;height:16px}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:0;top:7px;width:16px;height:1.6px;background:var(--ink);
  transition:transform .2s var(--ease),background .14s var(--ease);
}
.faq-sign::after{transform:rotate(90deg)}
.accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(0deg)}
.accordion-button:not(.collapsed) .faq-sign::before{background:var(--coral)}
.accordion-button:not(.collapsed) .faq-sign::after{background:var(--coral)}
.faq-acc .accordion-body{
  padding:0 0 24px 34px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:720px;
}

/* ============ CTA / 表单 ============ */
.cta-band{background:var(--dark);color:var(--dark-text);padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:-40px;height:120px;
  background:radial-gradient(60% 100% at 50% 100%,rgba(232,240,237,.08),transparent 70%);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.8vw,34px);letter-spacing:-.6px}
.cta-copy p{color:rgba(243,241,233,.78);margin-top:14px;font-size:16px;max-width:520px}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(243,241,233,.86);
}
.cta-points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--coral);margin-top:9px;
}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;border:1px solid rgba(255,255,255,.14);box-shadow:0 20px 44px -24px rgba(0,0,0,.5)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:20px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:500;color:var(--text-2);margin-bottom:6px}
.form-control,.form-select{
  width:100%;min-height:44px;padding:10px 14px;font-size:15px;font-family:inherit;
  color:var(--text);background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .14s var(--ease),box-shadow .14s var(--ease);
}
textarea.form-control{min-height:110px;resize:vertical;line-height:1.7}
.form-control::placeholder{color:#B4BDB9}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,240,237,1);
}
.form-submit{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.6}
.form-success{font-size:14px;color:var(--ink);margin-top:12px;font-weight:500}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(243,241,233,.85);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(243,241,233,.55)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,241,233,.68);max-width:340px}
.footer-col h4{
  font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:500;letter-spacing:.08em;
  color:#fff;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:rgba(243,241,233,.66);line-height:1.7}
.footer-col a{font-size:14px;color:rgba(243,241,233,.7)}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(243,241,233,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(243,241,233,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .page-hero{padding:16px 0 44px}
  .pillar-grid{grid-template-columns:1fr;gap:24px}
  .pillar{border-left-width:3px}
  .seq-item{grid-template-columns:56px 1fr;gap:16px}
  .seq-num{width:56px;height:56px;font-size:17px}
  .seq-item:not(:last-child)::after{left:27.5px;top:60px}
  .seq-main{padding:20px 18px}
  .hero-strip{grid-template-columns:1fr}
  .hero-strip div+div{border-left:0;border-top:1px solid var(--line)}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%}
  .faq-acc .accordion-body{padding-left:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .flow-grid{grid-template-columns:1fr}
  .hero-tags{gap:8px}
  .tag{font-size:12.5px;padding:4px 10px}
  .form-card{padding:22px;box-shadow:none}
  .brand-name{font-size:15.5px}
  .sec-title{font-size:22px}
}