/* roulang page: index */
:root{
  --c-primary:#17679F;
  --c-primary-dark:#104C77;
  --c-primary-50:#E8F2F9;
  --c-teal:#2FA39B;
  --c-teal-50:#E6F5F3;
  --c-amber:#E9A03B;
  --c-ink:#10263D;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-line:#E4EBF3;
  --c-text:#16232F;
  --c-text-2:#55677A;
  --c-text-3:#8A9AAB;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-sm:0 2px 8px rgba(16,38,61,.05);
  --sh-md:0 10px 28px rgba(16,38,61,.08);
  --sh-lg:0 18px 44px rgba(16,38,61,.12);
  --bs-primary:#17679F;
  --bs-primary-rgb:23,103,159;
  --bs-body-color:#16232F;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bs-border-radius:14px;
  --bs-border-color:#E4EBF3;
  --bs-link-color:#17679F;
  --bs-link-hover-color:#104C77;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
ul,ol{padding-left:1.15em}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);letter-spacing:0}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.45;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.wrap-wide{max-width:1240px}
.sec{padding:96px 0}
.sec-white{background:#fff}
.sec-tint{background:linear-gradient(160deg,#F5F8FB 0%,#E9F1F8 100%)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.4;font-weight:600;letter-spacing:.04em;
  color:var(--c-teal);text-transform:uppercase;margin-bottom:10px;
}
.sec-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-teal);border-radius:2px}
.sec-head p{color:var(--c-text-2);max-width:72ch;margin:10px 0 0;font-size:15px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;white-space:nowrap}
.link-more i{font-size:15px;transition:transform .25s ease}
.link-more:hover{text-decoration:none}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{--bs-btn-border-radius:999px}
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .25s ease;text-decoration:none;cursor:pointer;
}
.btn-k-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-k-primary:hover,.btn-k-primary:focus{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none}
.btn-k-amber{background:var(--c-amber);color:#3B2500;box-shadow:var(--sh-sm)}
.btn-k-amber:hover,.btn-k-amber:focus{background:#D98F2A;color:#3B2500;transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none}
.btn-k-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-k-ghost:hover,.btn-k-ghost:focus{background:var(--c-primary-50);color:var(--c-primary-dark);text-decoration:none}
.btn-k[disabled],.btn-k.is-disabled{opacity:.55;box-shadow:none;pointer-events:none}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:1030}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:0 12px 0 16px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:999px;
  box-shadow:var(--sh-md);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-teal) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;font-weight:700;
}
.brand-text{font-size:16px;font-weight:700;color:var(--c-text);white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.08em;line-height:1.1}
.nav-menu{display:flex;align-items:center;gap:28px;margin:0 auto;list-style:none;padding:0}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-text-2);text-decoration:none;
  transition:color .25s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--c-primary);
  transition:width .25s ease;
}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after{width:18px}
.nav-menu li.is-active a{color:var(--c-primary);font-weight:600}
.nav-menu li.is-active a::after{width:18px}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-cta .btn-k{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  align-items:center;justify-content:center;font-size:20px;cursor:pointer;
}
.nav-drawer{
  display:none;margin-top:10px;background:#fff;
  border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--sh-md);
  overflow:hidden;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;height:52px;font-size:15px;font-weight:500;color:var(--c-text);
  border-bottom:1px solid var(--c-line);text-decoration:none;
}
.nav-drawer a:last-child{border-bottom:0}
.nav-drawer a.is-active{color:var(--c-primary);font-weight:600}

/* ---------- Hero ---------- */
.p-home .hero{position:relative;padding:72px 0 96px;overflow:hidden}
.p-home .hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 12%,rgba(47,163,155,.16),transparent 46%),
    linear-gradient(160deg,#F5F8FB 0%,#E9F1F8 100%);
  z-index:-2;
}
.p-home .hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border:1px solid rgba(23,103,159,.18);border-radius:50%;z-index:-1;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  background:var(--c-teal-50);color:#1F7A74;
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{font-size:14px}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:56ch;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:34px}
.hero-facts{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  list-style:none;margin:0;padding:0;font-size:14px;color:var(--c-text-2);
}
.hero-facts li{position:relative;padding:0 18px}
.hero-facts li:first-child{padding-left:0}
.hero-facts li+li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:14px;background:var(--c-line);
}
.hero-facts strong{color:var(--c-text);font-weight:600}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-lg);border:1px solid var(--c-line);background:#fff;
}
.hero-visual .frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:-22px;bottom:26px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  box-shadow:var(--sh-md);padding:14px 18px;max-width:230px;
}
.hero-float span{display:block;font-size:12px;color:var(--c-text-3);margin-bottom:4px}
.hero-float strong{font-size:15px;font-weight:600;color:var(--c-text)}

/* ---------- 故事区 7/5 ---------- */
.story-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.story-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--c-line)}
.story-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.story-copy p{color:var(--c-text-2);font-size:16px;max-width:72ch}
.story-points{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:20px}
.story-points li{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start}
.story-points .num{
  font-size:20px;font-weight:700;color:var(--c-amber);line-height:1.3;
  padding-top:2px;font-variant-numeric:tabular-nums;
}
.story-points h3{margin-bottom:4px;font-size:17px}
.story-points p{font-size:14px;color:var(--c-text-2);margin:0}

/* ---------- 卡片系统 ---------- */
.card-k{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-k:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D5E2EF}
.card-k .thumb{overflow:hidden;background:var(--c-primary-50)}
.card-k .thumb img{width:100%;object-fit:cover;transition:transform .25s ease}
.card-k:hover .thumb img{transform:scale(1.03)}
.card-body-k{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body-k .eyebrow-sm{font-size:13px;font-weight:600;color:var(--c-teal);letter-spacing:.03em}
.card-body-k h3{font-size:18px;line-height:1.45}
.card-body-k p{font-size:14px;color:var(--c-text-2);margin:0}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-foot .go{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-50);color:var(--c-primary);font-size:15px;
  transition:all .25s ease;
}
.card-k:hover .card-foot .go{background:var(--c-primary);color:#fff}
.card-meta{font-size:13px;color:var(--c-text-3)}
.badge-k{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:13px;font-weight:600;line-height:1.4;
  background:var(--c-teal-50);color:#1F7A74;
}
.badge-k-primary{background:var(--c-primary-50);color:var(--c-primary-dark)}

/* 精选错落布局 */
.feat-a{display:grid;grid-template-columns:7fr 5fr;gap:32px;margin-bottom:32px}
.feat-b{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feat-a .card-k.is-wide{flex-direction:row}
.feat-a .card-k.is-wide .thumb{flex:0 0 46%;}
.feat-a .card-k.is-wide .thumb img{height:100%;aspect-ratio:auto;min-height:100%}
.feat-a .card-k.is-wide .card-body-k{padding:32px}
.feat-a .col-side{display:grid;grid-template-rows:1fr 1fr;gap:32px}
.feat-a .col-side .thumb img{aspect-ratio:16/9}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.news-grid .thumb img{aspect-ratio:16/10}
.empty-state{
  grid-column:1/-1;
  background:#fff;border:1px dashed #CBD9E6;border-radius:var(--r-card);
  padding:64px 24px;text-align:center;box-shadow:var(--sh-sm);
}
.empty-state i{font-size:34px;color:var(--c-text-3);display:block;margin-bottom:14px}
.empty-state p{color:var(--c-text-2);margin-bottom:18px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-sm);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.flow-item .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-50);
  color:var(--c-primary-dark);font-weight:700;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--c-text-2);margin:0}

/* ---------- 信任背书深色带 ---------- */
.trust{background:var(--c-ink);color:#DCE7F2;padding:88px 0}
.trust h2{color:#fff}
.trust .trust-top{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:44px}
.trust .trust-top p{color:#A8BED4;font-size:15px;margin:0;max-width:52ch}
.trust-marks{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
  padding:28px 0;border-top:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:44px;
}
.trust-marks div{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:56px;border-radius:14px;background:rgba(255,255,255,.06);
  color:#8FA6BC;font-size:13.5px;font-weight:600;
  filter:grayscale(1);transition:all .25s ease;
}
.trust-marks div:hover{filter:grayscale(0);background:rgba(255,255,255,.12);color:#fff}
.trust-numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.trust-numbers .num{font-size:clamp(28px,3vw,38px);font-weight:700;color:var(--c-amber);line-height:1.2;font-variant-numeric:tabular-nums}
.trust-numbers .lab{font-size:14px;color:#A8BED4;margin-top:6px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--c-bg);border-radius:14px;border:1px solid transparent;
  overflow:hidden;transition:all .25s ease;
}
.faq-item.is-open{background:#fff;border-color:var(--c-line);box-shadow:var(--sh-sm);border-left:4px solid var(--c-primary)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q i{transition:transform .25s ease;color:var(--c-primary);font-size:18px;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 24px 22px;color:var(--c-text-2);font-size:15px}
.faq-item.is-open .faq-a{display:block}

/* ---------- 订阅 CTA ---------- */
.cta-card{
  background:var(--c-primary-50);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-card h2{margin-bottom:12px}
.cta-card p{color:var(--c-text-2);font-size:15px;margin:0}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;padding:0 20px;border-radius:var(--r-input);
  border:1px solid var(--c-line);background:#fff;font-size:15px;color:var(--c-text);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-form input::placeholder{color:var(--c-text-3)}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(23,103,159,.18)}
.form-note{font-size:13px;color:var(--c-text-3);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#B9CBDE;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text small{color:#8FA6BC}
.footer-desc{font-size:14px;color:#9DB2C8;margin:18px 0 0;max-width:34ch}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9CBDE;text-decoration:none}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-contact li{font-size:14px;color:#B9CBDE;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--c-teal);font-size:15px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:14px;color:#8FA6BC;
}
.footer-bottom a{color:#B9CBDE}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:40px}
  .feat-a{grid-template-columns:1fr}
  .feat-a .card-k.is-wide .thumb{flex:0 0 42%}
}
@media (max-width:991px){
  .sec{padding:72px 0}
  .wrap{padding:0 20px}
  .nav-menu,.nav-cta .btn-k{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero-float{left:12px;bottom:12px}
  .story-grid{grid-template-columns:1fr;gap:32px}
  .feat-b{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .trust-marks{grid-template-columns:repeat(3,1fr)}
  .trust-top{grid-template-columns:1fr;align-items:start}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:576px){
  body{font-size:15.5px}
  .sec{padding:56px 0}
  .site-header{top:10px}
  .nav-shell{height:56px;padding:0 10px 0 12px}
  .brand-text{font-size:15px}
  .brand-text small{display:none}
  .hero{padding:44px 0 60px}
  .hero-actions .btn-k{width:100%}
  .hero-facts{display:grid;gap:10px}
  .hero-facts li{padding:0}
  .hero-facts li+li::before{display:none}
  .feat-b,.news-grid,.flow,.trust-marks,.trust-numbers{grid-template-columns:1fr}
  .feat-a .card-k.is-wide{flex-direction:column}
  .feat-a .card-k.is-wide .thumb{flex:none}
  .feat-a .card-k.is-wide .thumb img{aspect-ratio:16/10;height:auto}
  .cta-form{flex-direction:column}
  .cta-form .btn-k{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --c-primary:#17679F;
  --c-primary-dark:#104C77;
  --c-primary-50:#E8F2F9;
  --c-teal:#2FA39B;
  --c-amber:#E9A03B;
  --c-ink:#10263D;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-line:#E4EBF3;
  --c-text:#16232F;
  --c-text-2:#55677A;
  --c-text-3:#8A9AAB;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-sm:0 2px 8px rgba(16,38,61,.05);
  --sh-md:0 10px 28px rgba(16,38,61,.08);
  --sh-lg:0 18px 44px rgba(16,38,61,.12);
  --bs-primary:#17679F;
  --bs-primary-rgb:23,103,159;
  --bs-body-color:#16232F;
  --bs-body-bg:#F5F8FB;
  --bs-border-radius:18px;
  --bs-border-color:#E4EBF3;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;line-height:1.35;letter-spacing:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.btn-k:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-k-primary{background:var(--c-primary);color:#fff;}
.btn-k-primary:hover{background:var(--c-primary-dark);color:#fff;}
.btn-k-amber{background:var(--c-amber);color:#26201A;}
.btn-k-amber:hover{background:#D98F2B;color:#26201A;}
.btn-k-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-k-ghost:hover{background:var(--c-primary-50);color:var(--c-primary-dark);}
.btn-k-sm{height:42px;padding:0 22px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary);}
.link-arrow i{transition:transform .25s ease;font-size:14px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:1030;padding:0 32px;}
.nav-shell{
  position:relative;max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);box-shadow:var(--sh-md);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);text-decoration:none;}
.brand:hover{text-decoration:none;color:var(--c-text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--c-primary);
  color:#fff;font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(23,103,159,.28);
}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.2;white-space:nowrap;}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:.14em;color:var(--c-text-3);margin-top:3px;}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-menu li a{
  position:relative;display:inline-block;padding:6px 0;font-size:14px;font-weight:500;color:var(--c-text-2);
}
.nav-menu li a:hover{color:var(--c-primary);text-decoration:none;}
.nav-menu li a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateX(-50%);transition:width .25s ease;
}
.nav-menu li a:hover::after,.nav-menu li.is-active a::after{width:18px;}
.nav-menu li.is-active a{color:var(--c-primary);font-weight:600;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn-k{height:44px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);font-size:20px;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.nav-toggle:hover{background:var(--c-primary-50);color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 文章页头部区 ---------- */
.p-article{display:block;}
.page-band{
  background-image:linear-gradient(135deg,rgba(245,248,251,.97),rgba(233,241,248,.93)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;border-bottom:1px solid var(--c-line);
  padding:32px 0 56px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);}
.crumbs a{color:var(--c-text-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#C3CFDA;}
.crumbs .here{color:var(--c-primary);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{margin-top:28px;max-width:900px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-badge);
  background:rgba(47,163,155,.12);color:#1F7C76;font-size:13px;font-weight:600;line-height:1.4;
}
.article-head h1{
  font-size:clamp(28px,3.8vw,44px);line-height:1.3;font-weight:700;margin:18px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-text-3);}
.article-meta .dot{color:#C3CFDA;}
.article-meta i{font-size:14px;margin-right:4px;}
.article-cover{margin-top:32px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-lg);border:1px solid var(--c-line);background:#fff;}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;}

/* ---------- 正文阅读区 ---------- */
.article-main{background:var(--c-card);padding:56px 0 72px;border-bottom:1px solid var(--c-line);}
.prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--c-text);}
.prose>p{margin:0 0 1.2em;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.4;margin:2em 0 .8em;padding-left:16px;
  border-left:4px solid var(--c-primary);border-radius:2px;
}
.prose h3{font-size:20px;font-weight:600;margin:1.6em 0 .6em;line-height:1.45;}
.prose h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;}
.prose ul{list-style:none;margin:0 0 1.3em;padding:0;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.prose ol{list-style:none;counter-reset:pn;margin:0 0 1.3em;padding:0;}
.prose ol li{position:relative;padding-left:28px;margin-bottom:.55em;counter-increment:pn;}
.prose ol li::before{
  content:counter(pn);position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:6px;
  background:var(--c-primary-50);color:var(--c-primary-dark);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--c-primary-50);border-left:4px solid var(--c-primary);
  border-radius:0 14px 14px 0;color:var(--c-text-2);font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-img);margin:1.6em auto;height:auto;}
.prose figure{margin:1.6em 0;}
.prose figcaption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.prose table th{
  background:var(--c-primary-50);color:var(--c-text);text-align:left;font-weight:600;
  padding:12px 16px;border-bottom:1px solid var(--c-line);
}
.prose table td{padding:12px 16px;border-bottom:1px solid var(--c-line);color:var(--c-text-2);}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0;}
.prose strong{color:var(--c-text);font-weight:700;}
.prose a{color:var(--c-primary);font-weight:500;}
.article-empty{
  max-width:760px;margin:0 auto;text-align:center;padding:48px 24px;background:var(--c-bg);
  border:1px dashed #CBD9E5;border-radius:var(--r-card);
}
.article-empty i{font-size:38px;color:var(--c-text-3);}
.article-empty h2{font-size:22px;margin:16px 0 8px;}
.article-empty p{color:var(--c-text-2);margin:0 0 22px;font-size:15px;}

/* ---------- 文末标签与前后导航 ---------- */
.article-foot{max-width:760px;margin:0 auto;padding:40px 0 0;}
.tag-title{font-size:14px;color:var(--c-text-3);margin-bottom:12px;font-weight:600;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list a{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;font-size:13px;color:var(--c-text-2);transition:all .25s ease;
}
.tag-list a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);text-decoration:none;}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;padding-top:32px;border-top:1px solid var(--c-line);}
.post-nav a{
  display:block;padding:20px 24px;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--sh-sm);transition:all .25s ease;
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#CFE0EC;text-decoration:none;}
.post-nav .pn-label{font-size:13px;color:var(--c-text-3);display:block;margin-bottom:6px;}
.post-nav .pn-title{font-size:15.5px;font-weight:600;color:var(--c-text);line-height:1.5;}
.post-nav .pn-next{text-align:right;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-white{background:var(--c-card);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.section-head p{margin:10px 0 0;color:var(--c-text-2);font-size:15px;max-width:72ch;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--c-teal);letter-spacing:.06em;margin-bottom:10px;}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);transition:all .25s ease;height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#CFE0EC;}
.rel-card .rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-50);}
.rel-card .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-card .rel-body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-card h3{font-size:17px;line-height:1.5;font-weight:600;}
.rel-card p{margin:0;font-size:14px;color:var(--c-text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .rel-more{margin-top:auto;padding-top:12px;}
.rel-card a{color:inherit;text-decoration:none;}
.rel-card:hover h3{color:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq .accordion-item{
  border:0;border-left:4px solid transparent;background:var(--c-bg);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,background-color .25s ease;
}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--c-primary);background:#fff;box-shadow:var(--sh-sm);}
.faq .accordion-button{
  background:transparent;box-shadow:none;border:0;padding:18px 22px;font-size:16px;font-weight:600;
  color:var(--c-text);line-height:1.55;transition:background-color .25s ease,color .25s ease;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary-dark);background:transparent;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq .accordion-button::after{
  width:14px;height:14px;background-size:14px;transition:transform .25s ease;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2355677A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--c-text-2);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px;}
.cta-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  background:var(--c-primary-50);border:1px solid #D3E5F1;border-radius:24px;padding:48px;
}
.cta-card h2{font-size:clamp(24px,2.4vw,30px);line-height:1.35;margin-bottom:12px;}
.cta-card p{margin:0;color:var(--c-text-2);font-size:15px;max-width:52ch;}
.sub-form{display:flex;gap:12px;}
.sub-form input{
  flex:1;height:48px;padding:0 20px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.sub-form input::placeholder{color:var(--c-text-3);}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,103,159,.16);}
.sub-form .btn-k{height:48px;}
.form-tip{margin:12px 0 0;font-size:13px;color:var(--c-text-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C8D5E2;padding:72px 0 28px;font-size:14px;line-height:1.75;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text small{color:#8FA6BC;}
.site-footer .brand-mark{background:var(--c-primary);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-desc{margin:18px 0 0;color:#9DB1C5;max-width:34ch;font-size:14px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#A9BDD1;font-size:14px;}
.footer-col ul li a:hover{color:#fff;text-decoration:none;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;color:#A9BDD1;}
.footer-contact i{color:var(--c-teal);font-size:15px;line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:#8FA6BC;font-size:13.5px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .wrap{padding:0 28px;}
  .site-header{padding:0 28px;}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .site-header{padding:0 20px;top:12px;}
  .nav-shell{height:60px;padding:0 10px 0 14px;}
  .brand-text{font-size:15px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-lg);
    padding:8px;display:none;
  }
  .nav-shell.is-open .nav-menu{display:flex;}
  .nav-menu li a{display:block;padding:14px 16px;border-radius:12px;font-size:15px;}
  .nav-menu li a::after{display:none;}
  .nav-menu li.is-active a{background:var(--c-primary-50);}
  .nav-menu li + li{border-top:1px solid var(--c-line);}
  .nav-cta .btn-k{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .article-main{padding:40px 0 56px;}
  .page-band{padding:24px 0 40px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:24px;}
  .cta-band{padding:0 0 72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .crumbs .here{max-width:100%;white-space:normal;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .page-band{padding:20px 0 32px;}
  .article-head h1{margin:14px 0 14px;}
  .article-cover img{aspect-ratio:16/10;}
  .rel-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;gap:14px;}
  .post-nav .pn-next{text-align:left;}
  .cta-card{padding:28px 22px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn-k{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:56px 0 24px;}
  .faq .accordion-button{padding:16px 18px;font-size:15px;}
  .faq .accordion-body{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#17679F;
  --c-primary-dark:#104C77;
  --c-primary-50:#E8F2F9;
  --c-teal:#2FA39B;
  --c-teal-50:#E6F4F2;
  --c-amber:#E9A03B;
  --c-ink:#10263D;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-line:#E4EBF3;
  --t-main:#16232F;
  --t-sub:#55677A;
  --t-weak:#8A9AAB;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-sm:0 2px 8px rgba(16,38,61,.05);
  --sh-md:0 10px 28px rgba(16,38,61,.08);
  --sh-lg:0 18px 44px rgba(16,38,61,.12);
  --bs-primary:#17679F;
  --bs-primary-rgb:23,103,159;
  --bs-body-color:#16232F;
  --bs-body-bg:#F5F8FB;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:18px;
  --bs-body-font-family:var(--font-cn);
  --bs-link-color:#17679F;
  --bs-link-hover-color:#104C77;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--c-bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--t-main);letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.wrap{padding:0 32px}}
.p-cat1 ::selection{background:var(--c-primary-50);color:var(--c-primary-dark)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:1030;margin-top:16px}
.nav-wrap{position:relative}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:64px;padding:0 12px 0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--sh-md);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-teal));
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.02em;
  box-shadow:var(--sh-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:15px;font-weight:700;color:var(--t-main)}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:.14em;color:var(--t-weak);margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:28px;font-size:14px}
.nav-menu>li>a{position:relative;display:inline-block;padding:6px 0;color:var(--t-sub);font-weight:500}
.nav-menu>li>a:hover{color:var(--c-primary);text-decoration:none}
.nav-menu>li.is-active>a{color:var(--c-primary);font-weight:600}
.nav-menu>li.is-active>a::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.btn-k-primary{background:var(--c-primary);color:#fff}
.btn-k-primary:hover,.btn-k-primary:focus{background:var(--c-primary-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-k-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-k-ghost:hover,.btn-k-ghost:focus{background:var(--c-primary-50);color:var(--c-primary-dark);text-decoration:none;transform:translateY(-2px)}
.btn-k-amber{background:var(--c-amber);color:#3A2708}
.btn-k-amber:hover{background:#D6902C;color:#3A2708;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-k-lg{height:48px;padding:0 28px}
.btn-k:disabled{opacity:.55;box-shadow:none;transform:none;cursor:not-allowed}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:50%;background:#fff;color:var(--c-primary);
  font-size:20px;cursor:pointer;transition:background-color .25s ease,color .25s ease;
}
.nav-toggle:hover{background:var(--c-primary-50)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-weak);margin-bottom:18px}
.crumb a{color:var(--t-weak)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C3CFDB}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:44px 0 52px;
  background:linear-gradient(135deg,#F5F8FB 0%,#E9F1F8 100%);
  border-bottom:1px solid var(--c-line);
}
.cat-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(23,103,159,.16);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:40px;bottom:-160px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(47,163,155,.14),rgba(47,163,155,0) 70%);pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:1}
.cat-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;max-width:22ch}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--t-sub);max-width:62ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--t-sub);
}
.hero-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-teal)}
.hero-figure{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--sh-lg);border:1px solid #fff;
}

/* ---------- 主体布局 ---------- */
.cat-body{padding:64px 0 80px}
@media (min-width:992px){.cat-body{padding:80px 0 96px}}
.sec + .sec{margin-top:56px}
.sec-head{margin-bottom:24px}
.sec-title{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700}
.sec-desc{margin-top:10px;font-size:15px;color:var(--t-sub);max-width:72ch}
.sec-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.1em;
  color:var(--c-teal);text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 指引卡（2 列） ---------- */
.guide-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.guide-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);border-color:#D3E2EE}
.guide-card-media{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);margin-bottom:16px}
.badge-soft{
  display:inline-block;font-size:13px;line-height:1.4;font-weight:600;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-teal-50);color:#1F7A73;
}
.guide-card h3{margin-top:12px;font-size:19px;line-height:1.45;font-weight:600}
.guide-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--t-sub)}
.card-arrow{
  margin-top:auto;padding-top:16px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.card-arrow i{transition:transform .25s ease}
.guide-card:hover .card-arrow i{transform:translateX(4px)}

/* ---------- 步骤 ---------- */
.step-list{border-top:1px solid var(--c-line)}
.step-item{
  display:flex;gap:18px;padding:22px 4px;border-bottom:1px solid var(--c-line);
}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-50);color:var(--c-primary-dark);
  font-weight:700;font-size:15px;
}
.step-item h3{font-size:17px;font-weight:600;line-height:1.5}
.step-item p{margin-top:6px;font-size:14.5px;color:var(--t-sub)}

/* ---------- 对照表 ---------- */
.table-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px;box-shadow:var(--sh-sm);overflow:hidden;
}
.doc-table{width:100%;margin:0;border-collapse:separate;border-spacing:0;font-size:14.5px}
.doc-table th{
  background:var(--c-primary-50);color:var(--c-primary-dark);font-weight:600;
  text-align:left;padding:14px 18px;border:0;
}
.doc-table th:first-child{border-radius:14px 0 0 14px}
.doc-table th:last-child{border-radius:0 14px 14px 0}
.doc-table td{padding:15px 18px;color:var(--t-sub);border-top:1px solid var(--c-line);vertical-align:top}
.doc-table tbody tr:first-child td{border-top:1px solid var(--c-line)}
.doc-table td:first-child{color:var(--t-main);font-weight:600}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 细节提示 ---------- */
.tip-list{display:grid;gap:14px}
.tip-item{
  display:flex;gap:14px;padding:18px 20px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-img);box-shadow:var(--sh-sm);
}
.tip-item i{color:var(--c-teal);font-size:18px;line-height:1.6}
.tip-item p{font-size:14.5px;color:var(--t-sub)}
.tip-item strong{display:block;color:var(--t-main);font-weight:600;font-size:15px;margin-bottom:4px}

/* ---------- 双卡跳转 ---------- */
.dual-link{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease;
}
.dual-link:hover{box-shadow:var(--sh-md);transform:translateY(-4px);text-decoration:none}
.dual-link h3{font-size:18px;font-weight:600}
.dual-link p{font-size:14.5px;color:var(--t-sub)}
.dual-link .card-arrow{padding-top:12px}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:0;background:var(--c-bg);border-radius:14px;margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-button{
  position:relative;background:var(--c-bg);color:var(--t-main);
  font-size:15.5px;font-weight:600;line-height:1.6;
  padding:18px 22px;border-radius:14px;box-shadow:none;
  transition:background-color .25s ease,color .25s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  background:#fff;color:var(--c-primary-dark);box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;
  border-radius:0 4px 4px 0;background:var(--c-primary);
}
.faq-acc .accordion-button::after{
  background-image:none;content:"\F282";font-family:"bootstrap-icons";
  width:auto;height:auto;font-size:14px;color:var(--c-primary);
  transition:transform .25s ease;transform:rotate(0deg);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px}
.faq-acc .accordion-body{padding:0 22px 20px;font-size:14.5px;color:var(--t-sub);background:#fff}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--c-primary-50);border-radius:24px;padding:36px 28px;
  border:1px solid #D6E6F2;
}
@media (min-width:992px){.cta-card{padding:48px}}
.cta-card h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700}
.cta-card p{margin-top:12px;font-size:15px;color:var(--t-sub);max-width:60ch}
.cta-form{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.form-k{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:var(--r-input);
  border:1px solid var(--c-line);background:#fff;color:var(--t-main);font-size:14.5px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-k::placeholder{color:var(--t-weak)}
.form-k:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,103,159,.16)}
.form-note{margin-top:10px;font-size:13px;color:var(--t-weak)}

/* ---------- 侧栏 ---------- */
.side-inner{display:grid;gap:20px}
@media (min-width:992px){
  .side-inner{position:sticky;top:100px}
}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-sm);
}
.side-card h4{font-size:15px;font-weight:700;margin-bottom:14px}
.side-list li + li{margin-top:4px}
.side-list a{
  display:block;padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--t-sub);
  border-left:3px solid transparent;transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.side-list a:hover{background:var(--c-bg);color:var(--c-primary);text-decoration:none}
.side-list a.is-current{
  background:var(--c-primary-50);color:var(--c-primary-dark);font-weight:600;border-left-color:var(--c-primary);
}
.side-quick li + li{margin-top:10px}
.side-quick a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--t-sub);padding:10px 0;border-bottom:1px dashed var(--c-line);
}
.side-quick li:last-child a{border-bottom:0}
.side-quick a:hover{color:var(--c-primary);text-decoration:none}
.side-quick i{font-size:14px;color:var(--c-teal);transition:transform .25s ease}
.side-quick a:hover i{transform:translateX(4px)}
.side-sub p{font-size:13.5px;color:var(--t-sub);margin-bottom:14px}
.side-sub .form-k{height:44px}
.side-sub .btn-k{width:100%;height:44px;margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:8px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text small{color:rgba(255,255,255,.5)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start}
.footer-contact i{color:var(--c-teal);margin-top:5px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .site-header{top:10px;margin-top:10px}
  .nav-shell{height:56px;padding:0 10px 0 12px}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;gap:0;align-items:stretch;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--sh-lg);padding:8px;font-size:15px;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu>li>a{display:block;padding:0 16px;line-height:52px;border-bottom:1px solid var(--c-line)}
  .nav-menu>li:last-child>a{border-bottom:0}
  .nav-menu>li.is-active>a::after{display:none}
  .nav-menu>li.is-active>a{background:var(--c-primary-50);border-radius:12px}
  .nav-cta .btn-k-primary{display:none}
  .brand-text{font-size:14px}
}
@media (max-width:767.98px){
  .cat-hero{padding:32px 0 40px}
  .hero-lead{font-size:15.5px}
  .cat-body{padding:48px 0 64px}
  .sec + .sec{margin-top:44px}
  .step-item{gap:14px;padding:18px 0}
  .cta-form{flex-direction:column}
  .cta-form .btn-k{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-desc{max-width:none}
  .footer-col:first-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .step-num{flex:0 0 38px;width:38px;height:38px;font-size:14px;border-radius:12px}
  .side-card,.guide-card{padding:18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#17679F;
  --c-primary-dark:#104C77;
  --c-primary-50:#E8F2F9;
  --c-teal:#2FA39B;
  --c-teal-50:#E6F4F3;
  --c-amber:#E9A03B;
  --c-ink:#10263D;
  --c-bg:#F5F8FB;
  --c-card:#FFFFFF;
  --c-line:#E4EBF3;
  --c-text:#16232F;
  --c-text-2:#55677A;
  --c-text-3:#8A9AAB;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-sm:0 2px 8px rgba(16,38,61,.05);
  --sh-md:0 10px 28px rgba(16,38,61,.08);
  --sh-lg:0 18px 44px rgba(16,38,61,.12);
  --wrap:1180px;
  --bs-primary:#17679F;
  --bs-body-color:#16232F;
  --bs-body-bg:#F5F8FB;
  --bs-border-radius:18px;
  --bs-border-color:#E4EBF3;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bs-link-color:#17679F;
  --bs-link-hover-color:#104C77;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:0;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:992px){.wrap{padding:0 32px;}}

.section{padding:96px 0;}
.section-tight{padding:72px 0;}
@media (max-width:991.98px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media (max-width:575.98px){.section{padding:56px 0;}.section-tight{padding:44px 0;}}
.bg-white-band{background:#fff;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-teal);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-teal);border-radius:2px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--c-text-2);margin-top:12px;font-size:16.5px;}
.lead-text{max-width:72ch;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:16px;z-index:1030;padding:0;
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:64px;padding:0 10px 0 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary),var(--c-teal));
  color:#fff;font-weight:700;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(23,103,159,.28);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-weight:700;font-size:16.5px;color:var(--c-text);letter-spacing:0;
}
.brand-text small{
  font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--c-text-3);
  text-transform:uppercase;margin-top:2px;
}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  display:inline-block;position:relative;padding:6px 0;
  font-size:14.5px;font-weight:500;color:var(--c-text-2);
}
.nav-menu a:hover{color:var(--c-primary);text-decoration:none;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-menu li.is-active a{color:var(--c-primary);font-weight:600;}
.nav-menu li.is-active a::after{width:18px;right:auto;transform:scaleX(1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:50%;color:var(--c-primary);font-size:20px;
  align-items:center;justify-content:center;transition:all .25s ease;
}
.nav-toggle:hover{background:var(--c-primary-50);}

/* ---------- Buttons ---------- */
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-k:hover{text-decoration:none;}
.btn-k-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-k-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-k-amber{background:var(--c-amber);color:#3B2705;box-shadow:var(--sh-sm);}
.btn-k-amber:hover{background:#D68F2B;color:#3B2705;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-k-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-k-ghost:hover{background:var(--c-primary-50);color:var(--c-primary-dark);}
.btn-k-light{background:rgba(255,255,255,.92);color:var(--c-primary-dark);}
.btn-k-light:hover{background:#fff;color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-k[disabled],.btn-k.is-disabled{opacity:.55;box-shadow:none;pointer-events:none;}
.btn-k-sm{height:42px;padding:0 20px;font-size:14px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
  color:var(--c-primary);
}
.link-arrow i{transition:transform .25s ease;font-size:15px;}
.link-arrow:hover{color:var(--c-primary-dark);text-decoration:none;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- Badges / Tags ---------- */
.badge-k{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1.4;font-weight:600;
  padding:5px 12px;border-radius:var(--r-badge);
  background:var(--c-teal-50);color:#1E7C75;
}
.badge-k-blue{background:var(--c-primary-50);color:var(--c-primary-dark);}
.badge-k-line{background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);font-weight:500;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-text-2);font-weight:500;
}
.tag-pill i{color:var(--c-teal);font-size:14px;}

/* ---------- Hero ---------- */
.cat2-hero{
  position:relative;margin-top:-80px;padding:152px 0 72px;
  background-color:#E9F1F8;
  background-image:
    linear-gradient(100deg,rgba(245,248,251,.97) 0%,rgba(245,248,251,.9) 46%,rgba(232,242,249,.7) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb-k{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--c-text-3);margin-bottom:22px;
}
.breadcrumb-k a{color:var(--c-text-3);}
.breadcrumb-k a:hover{color:var(--c-primary);text-decoration:none;}
.breadcrumb-k .sep{color:#C6D2DE;}
.breadcrumb-k .current{color:var(--c-primary);font-weight:600;}
.cat2-hero h1{max-width:16em;margin-bottom:18px;}
.cat2-hero .hero-sub{
  max-width:60ch;font-size:17px;color:var(--c-text-2);margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:30px;}
.hero-divider{height:1px;background:var(--c-line);margin:0 0 26px;max-width:760px;}

/* ---------- Overview cards ---------- */
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
@media (max-width:1199.98px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:991.98px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:767.98px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr;gap:18px;}}
@media (max-width:767.98px){.grid-4.keep-two{grid-template-columns:repeat(2,1fr);}}

.card-k{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card-k:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D5E2EE;}
.card-k h3{margin-bottom:10px;}
.card-k p{color:var(--c-text-2);font-size:15px;}
.card-index{
  font-size:15px;font-weight:700;color:var(--c-amber);letter-spacing:.06em;
  display:block;margin-bottom:14px;
}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;
  align-items:center;justify-content:center;font-size:20px;
  background:var(--c-primary-50);color:var(--c-primary);margin-bottom:16px;
}

/* ---------- Row list (left image / right text) ---------- */
.rowlist{border-top:1px solid var(--c-line);}
.rowitem{
  padding:34px 0;border-bottom:1px solid var(--c-line);
  margin-left:0;margin-right:0;
}
.rowitem:last-child{border-bottom:0;}
.rowitem-media{
  border-radius:var(--r-img);overflow:hidden;background:#E9F1F8;
  aspect-ratio:16/11;
}
.rowitem-media img{width:100%;height:100%;object-fit:cover;}
.rowitem h3{margin-bottom:10px;}
.rowitem .rowitem-desc{color:var(--c-text-2);font-size:15.5px;max-width:64ch;}
.point-list{margin-top:14px;display:grid;gap:8px;}
.point-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--c-text-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:50%;background:var(--c-teal);
}
.rowitem-num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-teal);
  letter-spacing:.1em;margin-bottom:10px;
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.steps{grid-template-columns:1fr;}}
.step-k{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-k:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.step-k .step-no{
  font-size:14px;font-weight:700;color:var(--c-amber);letter-spacing:.08em;
  display:block;margin-bottom:12px;
}
.step-k h3{font-size:18px;margin-bottom:8px;}
.step-k p{color:var(--c-text-2);font-size:14.5px;}

/* ---------- Dark band ---------- */
.ink-band{
  background:var(--c-ink);color:#fff;border-radius:24px;
  padding:56px 44px;
}
@media (max-width:767.98px){.ink-band{padding:40px 24px;border-radius:18px;}}
.ink-band h2{color:#fff;}
.ink-band .ink-lead{color:rgba(255,255,255,.72);max-width:56ch;font-size:15.5px;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:38px;}
@media (max-width:767.98px){.metrics{grid-template-columns:repeat(2,1fr);gap:20px;}}
.metric .num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--c-amber);
  line-height:1.2;letter-spacing:0;
}
.metric .label{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:6px;}
.ink-divider{height:1px;background:rgba(255,255,255,.12);margin:38px 0 0;}

/* ---------- FAQ ---------- */
.acc .accordion-item{
  border:0;border-radius:14px;overflow:hidden;margin-bottom:12px;
  background:var(--c-bg);
}
.acc .accordion-button{
  background:var(--c-bg);color:var(--c-text);font-size:16px;font-weight:600;
  padding:20px 56px 20px 24px;border-radius:14px;box-shadow:none;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease;
}
.acc .accordion-button:not(.collapsed){
  background:var(--c-primary-50);color:var(--c-primary-dark);
  box-shadow:inset 4px 0 0 var(--c-primary);
}
.acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.acc .accordion-button:not(.collapsed):focus{box-shadow:inset 4px 0 0 var(--c-primary);}
.acc .accordion-button::after{
  content:"";width:10px;height:10px;background-image:none;
  border-right:2px solid var(--c-text-3);border-bottom:2px solid var(--c-text-3);
  transform:rotate(45deg);margin-top:-5px;transition:transform .28s ease,border-color .28s ease;
  flex-shrink:0;
}
.acc .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);margin-top:4px;border-color:var(--c-primary);
}
.acc .accordion-body{
  padding:18px 24px 24px;background:#fff;color:var(--c-text-2);font-size:15.5px;
  border-top:1px solid var(--c-line);
}
.acc .accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--c-primary-50);border-radius:24px;padding:48px;
  border:1px solid #D8E8F4;
}
@media (max-width:767.98px){.cta-panel{padding:32px 22px;border-radius:18px;}}
.cta-panel h2{margin-bottom:14px;}
.cta-panel p{color:var(--c-text-2);font-size:15.5px;}
.cta-form{display:flex;gap:12px;align-items:stretch;margin-top:8px;}
.cta-form .form-control{
  height:48px;border-radius:var(--r-pill);border:1px solid #CFE0EE;background:#fff;
  padding:0 20px;font-size:15px;color:var(--c-text);box-shadow:none;
}
.cta-form .form-control::placeholder{color:var(--c-text-3);}
.cta-form .form-control:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,103,159,.18);
}
@media (max-width:575.98px){
  .cta-form{flex-direction:column;}
  .cta-form .btn-k{width:100%;}
}
.form-note{font-size:13px;color:var(--c-text-3);margin-top:12px;}
.form-alert{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-input);
  background:#fff;border:1px solid #CFE0EE;color:var(--c-primary-dark);
  font-size:14px;
}
.form-alert.is-visible{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);
  padding:72px 0 28px;margin-top:96px;font-size:14.5px;
}
@media (max-width:767.98px){.site-footer{padding:52px 0 24px;margin-top:56px;}}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text small{color:rgba(255,255,255,.45);}
.footer-desc{margin-top:16px;color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);font-size:14px;}
.footer-contact i{color:var(--c-teal);margin-top:3px;font-size:15px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:rgba(255,255,255,.5);font-size:13.5px;
}
@media (max-width:575.98px){.footer-bottom{flex-direction:column;gap:8px;}}

/* ---------- Mobile nav ---------- */
@media (max-width:991.98px){
  .site-header{top:10px;}
  .nav-shell{height:56px;padding:0 6px 0 14px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta .btn-k{display:none;}
  .nav-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:1040;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:88px 24px 24px;
    transform:translateY(-100%);transition:transform .3s ease;
    overflow-y:auto;border-radius:0;box-shadow:var(--sh-lg);
  }
  .nav-menu.is-open{transform:translateY(0);}
  .nav-menu li{border-bottom:1px solid var(--c-line);}
  .nav-menu li:last-child{border-bottom:0;}
  .nav-menu a{
    display:flex;align-items:center;height:52px;font-size:16px;color:var(--c-text);
    padding:0;width:100%;
  }
  .nav-menu a::after{display:none;}
  .nav-menu li.is-active a{color:var(--c-primary);}
  body.nav-open{overflow:hidden;}
}
@media (max-width:400px){
  .brand-text{font-size:15px;}
  .brand-text small{font-size:9px;}
}