/* roulang page: index */
:root{
  --brand-900:#0F332E;
  --brand-700:#14453D;
  --brand-500:#1F6A5A;
  --brand-100:#E6EFEB;
  --accent-500:#E4762F;
  --accent-300:#F3B15E;
  --ink-900:#1B2422;
  --ink-600:#4B5754;
  --ink-400:#7C8785;
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --danger:#B42318;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 12px 28px rgba(20,69,61,.12);
  --tr:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:1rem;line-height:1.9;
  color:var(--ink-900);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--accent-500);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25;}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.35;}
h3{font-size:1.125rem;line-height:1.5;}
h4{font-size:1rem;line-height:1.5;}
p{margin:0 0 1.5em;}
ul,ol{margin:0 0 1.5em;padding-left:1.25em;}
li{margin-bottom:.5em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent-300);outline-offset:2px;}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .lead{color:var(--ink-600);margin:12px 0 0;font-size:1.0625rem;}
.sec-title{display:flex;align-items:flex-start;gap:14px;}
.sec-num{
  font-family:var(--font-mono);font-size:.875rem;letter-spacing:.06em;
  color:var(--accent-500);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:2px 8px;background:var(--card);flex:none;margin-top:.45em;
}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.text-link{
  color:var(--accent-500);font-weight:600;border-bottom:1px solid currentColor;
  padding-bottom:2px;
}
.text-link:hover{color:var(--brand-700);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow var(--tr);
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-700);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.0625rem;color:var(--brand-900);letter-spacing:.01em;}
.brand-text span{font-size:.6875rem;color:var(--ink-400);letter-spacing:.04em;}
.nav-main{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-main a{
  display:block;padding:0 12px;height:72px;line-height:72px;
  font-size:.9375rem;color:var(--ink-600);position:relative;white-space:nowrap;
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:center;
  transition:transform var(--tr);
}
.nav-main a:hover{color:var(--brand-700);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--brand-700);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:var(--r-sm);
  width:42px;height:42px;color:var(--brand-700);
}
.nav-toggle i{font-size:1.25rem;}

/* ---------- Buttons ---------- */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);font-weight:600;
  font-size:.9375rem;border:1.5px solid transparent;cursor:pointer;
  transition:all var(--tr);white-space:nowrap;
}
.btn-primary-c{
  background:var(--brand-700);color:#fff;
}
.btn-primary-c:hover{background:var(--accent-500);color:#fff;}
.btn-outline-c{
  border-color:var(--brand-700);color:var(--brand-700);background:transparent;
}
.btn-outline-c:hover{background:var(--brand-100);color:var(--brand-900);}
.btn-light-c{
  background:var(--card);color:var(--brand-700);border-color:var(--card);
}
.btn-light-c:hover{background:var(--accent-300);color:var(--brand-900);}
.btn-sm-c{height:40px;padding:0 16px;font-size:.875rem;}
.btn-base[disabled]{opacity:.55;cursor:not-allowed;}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--brand-900);color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,51,46,.94) 0%,rgba(15,51,46,.78) 55%,rgba(15,51,46,.55) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:96px 0 72px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);color:#F3E6D8;
  font-size:.8125rem;letter-spacing:.02em;margin-bottom:20px;
}
.hero-tag i{color:var(--accent-300);}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--accent-300);}
.hero-sub{
  font-size:1.0625rem;line-height:1.9;color:rgba(255,255,255,.86);
  max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);box-shadow:var(--sh-2);
  aspect-ratio:4/3;background:var(--brand-700);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .vb-label{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,51,46,.82);color:#fff;font-size:.8125rem;
  padding:8px 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
}
.hero-stats{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-stats .hs{
  padding:20px 0 26px;border-right:1px solid rgba(255,255,255,.12);
  padding-left:24px;
}
.hero-stats .hs:last-child{border-right:none;}
.hs-num{
  font-family:var(--font-mono);font-size:1.375rem;color:#fff;letter-spacing:.02em;
  display:block;line-height:1.3;
}
.hs-label{font-size:.8125rem;color:rgba(255,255,255,.7);}

/* ---------- Trust strip ---------- */
.trust{padding:56px 0;background:var(--card);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{
  border-left:3px solid var(--brand-100);padding-left:18px;
}
.trust-item .t-num{
  font-family:var(--font-mono);font-size:1.75rem;color:var(--brand-700);
  display:block;line-height:1.25;
}
.trust-item .t-label{font-weight:600;font-size:.9375rem;margin-top:4px;}
.trust-item .t-desc{font-size:.875rem;color:var(--ink-400);margin:0;}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:96px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.tl-item{display:grid;grid-template-columns:96px 1fr;gap:32px;position:relative;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-time{
  font-family:var(--font-mono);font-size:.9375rem;color:var(--brand-500);
  text-align:right;padding-right:0;line-height:1.6;
}
.tl-body{position:relative;padding-left:32px;}
.tl-body::before{
  content:"";position:absolute;left:-38px;top:9px;width:11px;height:11px;
  border-radius:50%;background:var(--accent-500);border:3px solid var(--paper);
  box-shadow:0 0 0 1px var(--line);
}
.tl-body h3{margin-bottom:6px;}
.tl-body p{margin:0;color:var(--ink-600);font-size:.9375rem;}

/* ---------- Highlights ---------- */
.hl-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.hl-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-c{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  display:flex;flex-direction:column;height:100%;
}
.card-c:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.card-media{aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.hl-large .card-media{aspect-ratio:16/8;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{line-height:1.5;}
.card-body p{margin:0;color:var(--ink-600);font-size:.9375rem;}
.badge-c{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:.75rem;font-weight:600;letter-spacing:.01em;
}
.badge-soft{background:#FBF0E4;color:var(--accent-500);}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:.8125rem;color:var(--ink-400);
}
.meta-row .mono{color:var(--ink-600);}

/* ---------- Compare matrix ---------- */
.matrix-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-md);}
.matrix{width:100%;min-width:720px;border-collapse:collapse;background:var(--card);}
.matrix th,.matrix td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;}
.matrix thead th{background:var(--paper);font-size:.875rem;color:var(--ink-600);font-weight:600;}
.matrix tbody th{
  font-weight:600;font-size:.9375rem;color:var(--ink-900);
  position:sticky;left:0;background:var(--card);z-index:2;min-width:150px;
  border-right:1px solid var(--line);
}
.matrix td{font-size:.9375rem;color:var(--ink-600);}
.matrix .col-rec{background:var(--brand-100);position:relative;}
.matrix thead .col-rec::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--accent-500);
}
.matrix .col-rec strong{color:var(--brand-900);}
.tick{color:var(--brand-500);font-size:1.0625rem;margin-right:6px;}
.cross{color:var(--ink-400);margin-right:6px;}

/* ---------- CMS news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card .card-body h3{font-size:1.0625rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .excerpt{
  color:var(--ink-600);font-size:.9375rem;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-foot .more{font-size:.875rem;font-weight:600;color:var(--accent-500);}
.news-foot .more:hover{color:var(--brand-700);}
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--r-md);padding:48px 24px;text-align:center;
}
.empty-state .es-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:var(--brand-100);display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:1.5rem;
}
.empty-state p{color:var(--ink-600);margin-bottom:16px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--tr),background var(--tr);
}
.faq-item.is-open{border-color:var(--brand-100);background:#FCFDFC;}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  border-left:4px solid transparent;transition:border-color var(--tr);
}
.faq-item.is-open .faq-q{border-left-color:var(--brand-500);}
.faq-q h3{font-size:1.0625rem;font-weight:600;line-height:1.6;margin:0;}
.faq-q i{color:var(--brand-500);font-size:1.125rem;transition:transform var(--tr);flex:none;margin-top:4px;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{display:none;padding:0 24px 22px 24px;color:var(--ink-600);font-size:.9375rem;border-left:4px solid var(--brand-500);}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-700);color:#F7F4EE;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:32px;padding:64px 0;
}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(247,244,238,.82);margin:0;max-width:620px;font-size:.9375rem;}
.cta-right{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-note{font-size:.8125rem;color:rgba(247,244,238,.7);margin:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-700);}
.footer-brand strong{font-size:1rem;color:var(--brand-900);}
.footer-col h4{font-size:.9375rem;margin-bottom:16px;color:var(--ink-900);}
.footer-col p{font-size:.875rem;color:var(--ink-600);margin:0 0 8px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.875rem;color:var(--ink-600);}
.footer-links a:hover{color:var(--accent-500);}
.copyright{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-400);
}

/* ---------- Mobile tab bar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;background:#fff;border-top:1px solid var(--line);
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;font-size:.625rem;color:var(--ink-400);position:relative;
}
.tabbar a i{font-size:1.375rem;}
.tabbar a::before{
  content:"";position:absolute;top:0;left:24%;right:24%;height:2px;
  background:var(--accent-500);transform:scaleX(0);transition:transform var(--tr);
}
.tabbar a.active{color:var(--brand-700);font-weight:600;}
.tabbar a.active::before{transform:scaleX(1);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-main a{padding:0 9px;font-size:.875rem;}
}
@media (max-width:991px){
  .nav-main{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-main.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:72px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:8px 0 16px;
  }
  .nav-main.is-open a{height:48px;line-height:48px;padding:0 24px;}
  .nav-main.is-open a::after{display:none;}
  .nav-main.is-open a.active{background:var(--brand-100);}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 48px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stats .hs{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .hl-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .tabbar{display:flex;}
  body{padding-bottom:72px;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hl-side{grid-template-rows:auto;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start;}
  .cta-right{width:100%;}
  .cta-right .btn-base{width:100%;}
}
@media (max-width:575px){
  body{font-size:1rem;line-height:1.85;}
  .trust-grid{grid-template-columns:1fr;gap:20px;}
  .news-grid{grid-template-columns:1fr;}
  .timeline::before{left:0;}
  .tl-item{grid-template-columns:1fr;gap:8px;padding-left:24px;}
  .tl-time{text-align:left;}
  .tl-body{padding-left:0;}
  .tl-body::before{left:-30px;top:6px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-base{width:100%;}
  .card-body{padding:20px;}
  .faq-q{padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .brand-text strong{font-size:.9375rem;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0F332E; --brand-700:#14453D; --brand-500:#1F6A5A; --brand-100:#E6EFEB;
  --accent-500:#E4762F; --accent-300:#F3B15E;
  --ink-900:#1B2422; --ink-600:#4B5754; --ink-400:#7C8785;
  --paper:#F7F4EE; --card:#FFFFFF; --line:#E4E0D6; --danger:#B42318;
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 12px 28px rgba(20,69,61,.12);
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--paper);
  padding-bottom:72px;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--accent-500);}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;margin:0 0 .6em;line-height:1.35;letter-spacing:0;}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25;}
h2{font-size:clamp(1.4rem,3vw,1.9rem);}
h3{font-size:1.125rem;line-height:1.5;}
h4{font-size:1rem;line-height:1.5;}
p{margin:0 0 1.5em;}
ul,ol{margin:0 0 1.5em;padding-left:1.35em;}
li{margin-bottom:.55em;}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:1rem;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:all 150ms ease;white-space:nowrap;
}
.btn-primary-c{background:var(--brand-700);color:#fff;}
.btn-primary-c:hover,.btn-primary-c:focus{background:var(--accent-500);color:#fff;}
.btn-ghost-c{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost-c:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-sm-c{height:40px;padding:0 16px;font-size:.9rem;}
.btn-link-c{color:var(--accent-500);font-weight:600;border-bottom:1.5px solid var(--accent-300);padding-bottom:2px;}
.btn-link-c:hover{color:var(--accent-500);border-bottom-color:var(--accent-500);}
.btn-base:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:none;box-shadow:0 0 0 2px var(--accent-300);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.0625rem;color:var(--ink-900);letter-spacing:.01em;}
.brand-text span{font-size:.75rem;color:var(--ink-400);}
.nav-main{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-main li{margin:0;}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 12px;
  font-size:.9375rem;color:var(--ink-600);font-weight:500;
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-main a:hover{color:var(--brand-700);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--brand-700);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--brand-700);font-size:1.35rem;align-items:center;justify-content:center;
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);padding:8px 20px 18px;
    display:none;
  }
  .nav-main.open{display:flex;}
  .nav-main a{height:48px;padding:0 4px;font-size:1rem;}
  .nav-main a::after{bottom:6px;left:4px;right:auto;width:36px;}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:.875rem;color:var(--ink-400);margin:0;list-style:none;}
.crumb li{display:flex;align-items:center;gap:8px;margin:0;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--ink-600);}
.crumb strong{color:var(--ink-900);font-weight:600;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(15,51,46,.92) 0%,rgba(15,51,46,.78) 55%,rgba(15,51,46,.62) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.page-hero .inner{padding:64px 0 56px;max-width:820px;}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#F3EADF;padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.page-hero h1{color:#fff;margin-bottom:16px;}
.page-hero p{color:rgba(247,244,238,.86);margin-bottom:24px;max-width:660px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2);}
.hero-meta div{display:flex;flex-direction:column;gap:2px;}
.hero-meta .num{font-family:var(--font-mono);font-size:1.25rem;color:var(--accent-300);letter-spacing:.02em;}
.hero-meta .lab{font-size:.8125rem;color:rgba(247,244,238,.72);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:#fff;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head p{color:var(--ink-600);margin-bottom:0;}
.sec-title{display:flex;align-items:baseline;gap:12px;}
.sec-title .idx{font-family:var(--font-mono);font-size:1rem;color:var(--accent-500);letter-spacing:.02em;}

/* ---------- 分类页布局：左目录 + 右长文 ---------- */
.guide-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:48px;align-items:start;}
.toc{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);padding:24px;
}
.toc h2{font-size:1rem;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc;}
.toc li{counter-increment:toc;margin-bottom:4px;}
.toc a{
  display:flex;gap:10px;padding:8px 10px;border-radius:var(--r-sm);
  font-size:.9375rem;color:var(--ink-600);line-height:1.6;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--font-mono);font-size:.75rem;color:var(--accent-500);flex:0 0 auto;padding-top:4px;
}
.toc a:hover{background:var(--brand-100);color:var(--brand-700);}
.toc-tip{
  margin-top:18px;padding:14px;border-radius:var(--r-sm);background:var(--brand-100);
  font-size:.8125rem;line-height:1.75;color:var(--brand-700);
}
.content-col{min-width:0;max-width:760px;}
.doc-block{padding-bottom:8px;margin-bottom:48px;border-bottom:1px solid var(--line);}
.doc-block:last-of-type{border-bottom:0;margin-bottom:24px;}
.doc-block h2{display:flex;gap:12px;align-items:baseline;margin-bottom:18px;}
.doc-block h2 .idx{font-family:var(--font-mono);font-size:1rem;color:var(--accent-500);letter-spacing:.02em;flex:0 0 auto;}

/* 提示框 */
.note{
  border-left:4px solid var(--brand-500);background:#fff;border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:18px 22px;margin:0 0 24px;font-size:.9375rem;color:var(--ink-600);box-shadow:var(--sh-1);
}
.note strong{color:var(--ink-900);}
.note.warn{border-left-color:var(--accent-500);}

/* 列表勾选 */
.check-list{list-style:none;padding:0;margin:0 0 24px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:var(--ink-600);}
.check-list li i{color:var(--brand-500);font-size:1.05rem;line-height:1.7;flex:0 0 auto;}
.check-list li b{color:var(--ink-900);font-weight:600;}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:24px;}
table.kv{width:100%;border-collapse:collapse;min-width:520px;}
table.kv th,table.kv td{padding:14px 18px;text-align:left;font-size:.9375rem;border-bottom:1px solid var(--line);}
table.kv thead th{background:var(--paper);color:var(--ink-600);font-weight:600;font-size:.875rem;}
table.kv tbody tr:last-child td{border-bottom:0;}
table.kv td.mono,table.kv th.mono{font-family:var(--font-mono);letter-spacing:.02em;color:var(--brand-700);}
table.kv td:first-child{color:var(--ink-900);font-weight:600;white-space:nowrap;}

/* 小卡组 */
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:24px;}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);transition:all var(--t);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.mini-card .ico{
  width:40px;height:40px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.15rem;margin-bottom:14px;
}
.mini-card h3{font-size:1rem;margin-bottom:8px;}
.mini-card p{font-size:.9375rem;color:var(--ink-600);margin:0;}

/* 图卡 */
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);margin-bottom:24px;
}
.figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-card .body{padding:22px;}
.figure-card h3{margin-bottom:8px;}
.figure-card p{font-size:.9375rem;color:var(--ink-600);margin:0;}

/* 标签 */
.badge-c{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:.75rem;font-weight:600;line-height:1;
}
.badge-w{background:#FBEFE4;color:#9A4C13;}

/* CTA 文字链 */
.cta-line{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent-500);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
}
.cta-line p{margin:0;color:var(--ink-600);font-size:.9375rem;max-width:560px;}
.cta-line strong{display:block;color:var(--ink-900);font-size:1.0625rem;margin-bottom:4px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#F7F4EE;background:var(--brand-700);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(247,244,238,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-band .inner{
  position:relative;padding:56px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(247,244,238,.82);margin:0;font-size:.9375rem;}
.cta-band .btn-primary-c{background:var(--accent-500);}
.cta-band .btn-primary-c:hover{background:#cf6524;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{font-size:.9375rem;margin-bottom:16px;color:var(--ink-900);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;}
.footer-brand .brand-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.5;}
.footer-brand strong{font-size:1rem;color:var(--ink-900);}
.footer-col p{font-size:.875rem;color:var(--ink-600);margin-bottom:8px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.875rem;color:var(--ink-600);}
.footer-links a:hover{color:var(--accent-500);}
.copyright{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-400);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:flex;list-style:none;margin:0;padding:0;}
.tabbar li{flex:1;}
.tabbar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;height:56px;font-size:.625rem;color:var(--ink-400);
}
.tabbar i{font-size:1.35rem;}
.tabbar a.active{color:var(--brand-700);font-weight:600;}
.tabbar a.active::before{content:"";position:absolute;top:0;width:28px;height:2px;background:var(--accent-500);border-radius:0 0 2px 2px;}
@media (max-width:991.98px){.tabbar{display:block;}}

/* ---------- 响应式 ---------- */
@media (max-width:1023.98px){
  .guide-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .content-col{max-width:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .page-hero .inner{padding:48px 0 40px;}
  .mini-grid{grid-template-columns:1fr;}
  .cta-band .inner{padding:44px 0;}
  .btn-base{width:100%;}
  .cta-line{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .copyright{flex-direction:column;}
}
@media (max-width:575.98px){
  h1{font-size:1.6rem;}
  .brand-text span{display:none;}
  .hero-meta{gap:14px 22px;}
  .hero-meta .num{font-size:1.1rem;}
}

/* roulang page: article */
:root{
  --brand-900:#0F332E; --brand-700:#14453D; --brand-500:#1F6A5A; --brand-100:#E6EFEB;
  --accent-500:#E4762F; --accent-300:#F3B15E;
  --ink-900:#1B2422; --ink-600:#4B5754; --ink-400:#7C8785;
  --paper:#F7F4EE; --card:#FFFFFF; --line:#E4E0D6; --danger:#B42318;
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 12px 28px rgba(20,69,61,.12);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0 0 72px;background:var(--paper);color:var(--ink-900);
  font-family:var(--font-sans);font-size:1.0625rem;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent-500)}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;margin:0}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.35}
h3{font-size:1.125rem;line-height:1.5}
h4{font-size:1rem;line-height:1.5}
p{margin:0 0 1.5em}
ul,ol{margin:0 0 1.5em;padding-left:1.4em}
li{margin-bottom:.5em}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-300);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);letter-spacing:.02em}
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* 按钮 */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all 150ms ease;white-space:nowrap;
}
.btn-primary-c{background:var(--brand-700);color:#fff}
.btn-primary-c:hover{background:var(--accent-500);color:#fff}
.btn-outline-c{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline-c:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-link-c{display:inline-flex;align-items:center;gap:6px;color:var(--accent-500);font-weight:600;border-bottom:1px solid currentColor;padding-bottom:2px}
.btn-link-c:hover{color:var(--brand-700)}
.btn-sm-c{height:42px;padding:0 18px;font-size:.9375rem}
.btn-base:disabled{opacity:.55;cursor:not-allowed}

/* 徽章 / 标签 */
.badge-c{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:.75rem;font-weight:600;letter-spacing:.02em}
.tag-c{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink-600);font-size:.875rem}
.tag-c:hover{border-color:var(--accent-500);color:var(--accent-500)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--brand-700);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1)}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.5}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:1.0625rem;letter-spacing:.01em}
.brand-text span{font-size:.75rem;color:var(--ink-400);margin-top:2px}
.nav-main{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-main>li>a{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 12px;font-size:.9375rem;color:var(--ink-600);font-weight:500}
.nav-main>li>a:hover{color:var(--brand-700)}
.nav-main>li>a.active{color:var(--brand-700);font-weight:600}
.nav-main>li>a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent-500);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);font-size:1.25rem;color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--brand-100)}

/* 文章头部 */
.article-hero{background:var(--brand-900);color:#fff;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;opacity:.22}
.article-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.breadcrumb-c{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:rgba(255,255,255,.72);margin-bottom:24px}
.breadcrumb-c a{color:rgba(255,255,255,.86)}
.breadcrumb-c a:hover{color:var(--accent-300)}
.breadcrumb-c .sep{opacity:.5}
.breadcrumb-c .current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{color:#fff;max-width:900px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-badges .badge-c{background:rgba(255,255,255,.14);color:#fff}
.meta-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;font-size:.875rem;color:rgba(255,255,255,.8)}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-row .mono{color:#fff}

/* 正文 */
.article-shell{max-width:860px;margin:0 auto;padding:0 24px}
.article-main{margin-top:-36px;position:relative;z-index:3}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.article-cover{aspect-ratio:16/9;background:var(--brand-100)}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{padding:48px 56px 56px}
.article-body>*{max-width:760px;margin-left:auto;margin-right:auto}
.article-body h2{font-size:clamp(1.4rem,3vw,1.75rem);line-height:1.35;margin:2em auto .8em;padding-left:16px;border-left:4px solid var(--brand-700)}
.article-body h3{margin:1.6em auto .6em;color:var(--brand-700)}
.article-body p{font-size:1.0625rem}
.article-body blockquote{margin:1.8em auto;padding:18px 24px;background:var(--paper);border-left:4px solid var(--accent-500);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-600)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.5em}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em auto;font-size:.9375rem;display:block;overflow-x:auto}
.article-body th{background:var(--paper);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body img{border-radius:var(--r-md);margin:1.8em auto;box-shadow:var(--sh-1)}
.article-body nav,.article-body .code, .article-body pre{overflow-x:auto}
.article-body pre{background:var(--brand-900);color:#E9F2EF;padding:18px 20px;border-radius:var(--r-md);font-family:var(--font-mono);font-size:.875rem;line-height:1.7}
.article-foot{padding:0 56px 48px}
.foot-tags{display:flex;flex-wrap:wrap;gap:10px;padding-top:28px;border-top:1px solid var(--line)}
.foot-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* 空态 */
.empty-state{padding:64px 24px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md)}
.empty-state .empty-mark{width:64px;height:64px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:1.5rem}
.empty-state p{color:var(--ink-600);margin-bottom:20px}

/* 相关推荐卡片 */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.card-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:0;overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.card-c:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.card-media{aspect-ratio:16/9;background:var(--brand-100)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{color:var(--ink-600);font-size:.9375rem;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:.8125rem;color:var(--ink-400)}

/* 版块标题 */
.block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.block-head h2{position:relative;padding-left:16px}
.block-head h2::before{content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;background:var(--brand-700);border-radius:2px}
.block-head .block-sub{color:var(--ink-600);font-size:.9375rem;max-width:660px}

/* CTA 条 */
.cta-band{background:var(--brand-700);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-3.webp);background-size:cover;background-position:center;opacity:.14}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:56px 0}
.cta-inner h3{color:#fff;font-size:1.375rem;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.82);margin:0;font-size:.9375rem}
.cta-inner .btn-primary-c{background:#fff;color:var(--brand-700)}
.cta-inner .btn-primary-c:hover{background:var(--accent-300);color:var(--brand-900)}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:var(--ink-900)}
.footer-col p{color:var(--ink-600);font-size:.9375rem;margin:0 0 10px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:1.0625rem;color:var(--ink-900)}
.footer-brand .brand-mark{background:var(--brand-700)}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--ink-600);font-size:.9375rem}
.footer-links a:hover{color:var(--accent-500)}
.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:.8125rem;color:var(--ink-400)}

/* 移动底部 Tab */
.mobile-tabs{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mobile-tabs ul{display:flex;list-style:none;margin:0;padding:0}
.mobile-tabs li{flex:1}
.mobile-tabs a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:56px;font-size:.625rem;color:var(--ink-400)}
.mobile-tabs a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabs a.active{color:var(--brand-700)}
.mobile-tabs a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:36px;height:2px;background:var(--accent-500);border-radius:2px}

@media (max-width:991px){
  .nav-main{position:absolute;left:16px;right:16px;top:calc(100% + 8px);flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:8px;display:none}
  .nav-main.open{display:flex}
  .nav-main>li>a{height:46px;padding:0 14px;border-radius:var(--r-sm)}
  .nav-main>li>a.active{background:var(--brand-100)}
  .nav-main>li>a.active::after{display:none}
  .site-header .nav-wrap{position:relative}
  .mobile-tabs{display:block}
  .article-body{padding:32px 24px 40px}
  .article-foot{padding:0 24px 36px}
  .section{padding:56px 0}
  .cta-inner{padding:48px 0}
}
@media (max-width:767px){
  .cards-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-main{margin-top:0}
  .article-card{border-radius:var(--r-md)}
  .article-hero .container{padding-top:40px;padding-bottom:40px}
  .meta-row{gap:14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr}
  .breadcrumb-c .current{max-width:200px}
  .btn-base{height:44px;padding:0 18px;width:100%}
  .foot-actions .btn-base{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-900:#0F332E;--brand-700:#14453D;--brand-500:#1F6A5A;--brand-100:#E6EFEB;
  --accent-500:#E4762F;--accent-300:#F3B15E;
  --ink-900:#1B2422;--ink-600:#4B5754;--ink-400:#7C8785;
  --paper:#F7F4EE;--card:#FFFFFF;--line:#E4E0D6;--danger:#B42318;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);--sh-2:0 12px 28px rgba(20,69,61,.12);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--sans);background:var(--paper);color:var(--ink-900);
  font-size:1.0625rem;line-height:1.9;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.2em;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent-500);}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.35;font-weight:700;}
h3{font-size:1.125rem;line-height:1.5;font-weight:600;}
h4{font-size:1rem;line-height:1.5;font-weight:600;}
p{margin:0 0 1.5em;}
p:last-child{margin-bottom:0;}
.mono{font-family:var(--mono);letter-spacing:.02em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.8125rem;
  color:var(--accent-500);letter-spacing:.08em;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:18px;height:1px;background:var(--accent-500);}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand-700);
}
.section-head .lead{margin-top:14px;color:var(--ink-600);max-width:760px;}

/* 按钮 */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);font-weight:600;font-size:1rem;
  border:1.5px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-primary-c{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.btn-primary-c:hover{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.btn-ghost-c{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost-c:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-light-c{background:var(--card);color:var(--brand-700);border-color:var(--card);}
.btn-light-c:hover{background:var(--accent-300);color:var(--brand-900);border-color:var(--accent-300);}
.btn-link-c{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--accent-500);
  border-bottom:1.5px solid var(--accent-500);padding-bottom:2px;
}
.btn-link-c:hover{color:var(--brand-700);border-color:var(--brand-700);}
.btn-sm-c{height:40px;padding:0 18px;font-size:.9375rem;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-300);outline-offset:2px;
}
.btn-base:disabled,.is-disabled{opacity:.55;pointer-events:none;}

/* 徽章 */
.badge-c{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--ink-600);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--brand-700);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:1.0625rem;color:var(--brand-900);letter-spacing:.01em;}
.brand-text span{font-size:.75rem;color:var(--ink-400);letter-spacing:.04em;}
.brand:hover .brand-text strong{color:var(--brand-500);}
.nav-main{display:flex;align-items:center;gap:20px;list-style:none;margin:0;padding:0;flex:1 1 auto;}
.nav-main > li > a{
  display:inline-flex;align-items:center;height:72px;font-size:.9375rem;color:var(--ink-600);
  font-weight:500;position:relative;white-space:nowrap;
}
.nav-main > li > a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:scaleX(0);transition:transform var(--ease);
}
.nav-main > li > a:hover{color:var(--brand-700);}
.nav-main > li > a:hover::after{transform:scaleX(1);}
.nav-main > li > a.active{color:var(--brand-700);font-weight:600;}
.nav-main > li > a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:1.25rem;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-100);}

/* 页面横幅 */
.page-banner{
  position:relative;padding:72px 0 64px;color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(15,51,46,.86),rgba(15,51,46,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-banner .crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:rgba(255,255,255,.78);
  margin-bottom:20px;
}
.page-banner .crumb a{color:rgba(255,255,255,.9);}
.page-banner .crumb a:hover{color:var(--accent-300);}
.page-banner .crumb .sep{opacity:.5;}
.page-banner h1{color:#fff;max-width:820px;}
.page-banner .banner-lead{
  margin-top:18px;max-width:720px;color:rgba(255,255,255,.86);font-size:1.0625rem;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-tags span{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:.8125rem;font-family:var(--mono);letter-spacing:.02em;
}

/* 前置条件卡组 */
.cond-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.info-card .idx{font-family:var(--mono);font-size:.8125rem;color:var(--accent-500);letter-spacing:.08em;}
.info-card h3{margin:10px 0 8px;}
.info-card p{color:var(--ink-600);font-size:.9375rem;margin:0;}

/* 时间线 */
.timeline{position:relative;padding:8px 0;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line);transform:translateX(-.5px);
}
.tl-item{position:relative;width:calc(50% - 56px);margin-bottom:32px;}
.tl-item:nth-child(odd){margin-left:0;}
.tl-item:nth-child(even){margin-left:auto;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;top:22px;width:44px;height:44px;border-radius:50%;background:var(--card);
  border:2px solid var(--accent-500);color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.8125rem;font-weight:600;z-index:2;
}
.tl-item:nth-child(odd) .tl-dot{right:-78px;}
.tl-item:nth-child(even) .tl-dot{left:-78px;}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);transition:border-color var(--ease),box-shadow var(--ease);
}
.tl-body:hover{border-color:var(--brand-100);box-shadow:var(--sh-2);}
.tl-body .tl-meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:10px;
  font-family:var(--mono);font-size:.8125rem;color:var(--ink-400);
}
.tl-body h3{margin-bottom:8px;}
.tl-body p{color:var(--ink-600);font-size:.9375rem;margin:0;}
.tl-body ul{margin:10px 0 0;color:var(--ink-600);font-size:.9375rem;}
.tl-body ul li{margin-bottom:6px;}

/* 规则表 */
.table-wrap{
  overflow-x:auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
table.rule-table{width:100%;border-collapse:collapse;min-width:640px;}
table.rule-table thead th{
  background:var(--paper);text-align:left;font-weight:600;color:var(--ink-900);font-size:.9375rem;
  padding:16px 24px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.rule-table tbody td{
  padding:16px 24px;border-bottom:1px solid var(--line);font-size:.9375rem;color:var(--ink-600);
  vertical-align:top;
}
table.rule-table tbody tr:last-child td{border-bottom:0;}
table.rule-table tbody td:first-child{color:var(--ink-900);font-weight:600;white-space:nowrap;}
table.rule-table .mono{color:var(--ink-900);}

/* 异常处理块 */
.issue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.issue-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.issue-card .ico{
  width:44px;height:44px;flex:0 0 auto;border-radius:var(--r-sm);background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.issue-card .ico svg{width:22px;height:22px;stroke:var(--brand-700);fill:none;stroke-width:1.5;}
.issue-card h3{margin-bottom:6px;font-size:1.0625rem;}
.issue-card p{color:var(--ink-600);font-size:.9375rem;margin:0;}

/* 核对清单 */
.check-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;margin-top:5px;
}
.check-list .tick svg{width:14px;height:14px;stroke:var(--brand-700);fill:none;stroke-width:2;}
.check-list strong{display:block;color:var(--ink-900);font-weight:600;}
.check-list span{font-size:.9375rem;color:var(--ink-600);}
.check-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);
  background:var(--brand-100);aspect-ratio:16/10;
}
.check-figure img{width:100%;height:100%;object-fit:cover;}
.check-figure figcaption{
  padding:14px 20px;background:var(--card);font-size:.8125rem;color:var(--ink-400);
  font-family:var(--mono);letter-spacing:.02em;
}

/* 公告 */
.notice-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.notice-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);
}
.notice-item .date{font-family:var(--mono);font-size:.8125rem;color:var(--accent-500);letter-spacing:.04em;}
.notice-item h3{margin:10px 0 8px;font-size:1rem;}
.notice-item p{color:var(--ink-600);font-size:.9375rem;margin:0;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-700);color:#F7F4EE;border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;border-radius:50%;
  border:1px dashed rgba(255,255,255,.22);
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.cta-actions .hint{font-size:.8125rem;color:rgba(255,255,255,.72);}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:1.0625rem;color:var(--brand-900);}
.footer-col h4{font-size:.9375rem;color:var(--ink-900);margin-bottom:16px;}
.footer-col p{font-size:.9375rem;color:var(--ink-600);margin:0 0 8px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.9375rem;color:var(--ink-600);}
.footer-links a:hover{color:var(--accent-500);}
.copyright{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:var(--ink-400);
}

/* 移动底部 Tab */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:1 1 0;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:10px;color:var(--ink-400);position:relative;
}
.mobile-tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;}
.mobile-tabbar a.active{color:var(--brand-700);}
.mobile-tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;border-radius:2px;background:var(--accent-500);
}

/* 响应式 */
@media (max-width:1199.98px){
  .nav-main{gap:16px;}
}
@media (max-width:991.98px){
  body{padding-bottom:72px;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;left:0;right:0;top:72px;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);display:none;
  }
  .nav-main.open{display:flex;}
  .nav-main > li > a{height:48px;border-bottom:1px solid var(--line);}
  .nav-main > li > a::after{display:none;}
  .nav-main > li:last-child > a{border-bottom:0;}
  .section{padding:56px 0;}
  .page-banner{padding:48px 0 44px;}
  .cond-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{left:22px;transform:none;}
  .tl-item{width:auto;margin-left:0 !important;padding-left:64px;}
  .tl-item .tl-dot{left:0 !important;right:auto !important;}
  .check-panel{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mobile-tabbar{display:flex;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .cond-grid{grid-template-columns:1fr;}
  .issue-grid{grid-template-columns:1fr;}
  .notice-strip{grid-template-columns:1fr;}
  .page-banner{background-image:linear-gradient(rgba(15,51,46,.9),rgba(15,51,46,.9)),url('/assets/images/backpic/back-2.png');}
}
@media (max-width:575.98px){
  body{font-size:1rem;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-base{height:44px;padding:0 18px;font-size:.9375rem;}
  .cta-actions .btn-base{width:100%;}
  .tl-item{padding-left:56px;}
  .tl-dot{width:38px;height:38px;font-size:.75rem;}
  .timeline::before{left:19px;}
  .copyright{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0F332E;
  --brand-700:#14453D;
  --brand-500:#1F6A5A;
  --brand-100:#E6EFEB;
  --accent-500:#E4762F;
  --accent-300:#F3B15E;
  --ink-900:#1B2422;
  --ink-600:#4B5754;
  --ink-400:#7C8785;
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --danger:#B42318;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 12px 28px rgba(20,69,61,.12);
  --tr:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr);}
a:hover{color:var(--accent-500);}
p{margin:0 0 1.5em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--brand-900);}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25;}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.35;}
h3{font-size:1.125rem;line-height:1.5;}
h4{font-size:1rem;line-height:1.5;font-weight:600;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-300);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:1rem;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background-color 150ms ease,color 150ms ease,border-color 150ms ease,transform var(--tr);
  white-space:nowrap;
}
.btn-primary-c{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.btn-primary-c:hover,.btn-primary-c:focus{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.btn-ghost-c{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost-c:hover,.btn-ghost-c:focus{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-700);}
.btn-sm-c{height:40px;padding:0 16px;font-size:.9375rem;}
.btn-link-c{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent-500);
  font-weight:600;font-size:.9375rem;border-bottom:1.5px solid var(--accent-300);
  padding-bottom:2px;
}
.btn-link-c:hover{color:var(--brand-700);border-color:var(--brand-700);}
.btn-base:disabled,.btn-base.is-disabled{opacity:.55;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge-c{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:.75rem;font-weight:600;letter-spacing:.01em;
}
.badge-c.is-accent{background:#FBEDE1;color:#A2541C;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.0625rem;color:var(--brand-900);letter-spacing:.01em;}
.brand-text span{font-size:.75rem;color:var(--ink-400);}

nav{flex:1 1 auto;min-width:0;}
.nav-main{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;}
.nav-main a{
  position:relative;display:block;padding:8px 11px;border-radius:var(--r-sm);
  font-size:.9375rem;color:var(--ink-600);white-space:nowrap;
}
.nav-main a:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-main a.active{color:var(--brand-700);font-weight:600;}
.nav-main a.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:-2px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  font-size:1.25rem;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-100);background:var(--brand-100);}

/* ---------- 内页头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(15,51,46,.72),rgba(15,51,46,.72)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:72px 0 64px;color:#F4F1E9;
}
.page-hero .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:rgba(244,241,233,.78);margin-bottom:18px;}
.page-hero .crumbs a{color:rgba(244,241,233,.78);}
.page-hero .crumbs a:hover{color:#fff;}
.page-hero .crumbs .sep{opacity:.6;}
.page-hero h1{color:#fff;max-width:840px;margin-bottom:18px;}
.page-hero p{max-width:720px;color:rgba(244,241,233,.9);margin-bottom:0;font-size:1.0625rem;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero-tags .tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid rgba(244,241,233,.36);
  background:rgba(255,255,255,.08);color:#EFECE3;font-size:.8125rem;
}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:.8125rem;
  letter-spacing:.08em;color:var(--accent-500);margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-600);margin-bottom:0;}

/* ---------- 筛选 chip ---------- */
.chip-bar{
  background:#fff;border-bottom:1px solid var(--line);
  padding:20px 0;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--ink-600);font-size:.875rem;cursor:pointer;
  transition:border-color var(--tr),background-color var(--tr),color var(--tr);
}
.chip:hover{border-color:var(--brand-100);background:var(--brand-100);color:var(--brand-700);}
.chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}
.chip .num{font-family:var(--font-mono);font-size:.75rem;opacity:.75;}

/* ---------- 卡片 ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.faq-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.card-media{
  position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body-c{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body-c h3{margin:0;}
.card-body-c p{color:var(--ink-600);font-size:.9375rem;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.8125rem;color:var(--ink-400);}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--brand-900);color:#EFECE3;padding:56px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-item{border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item .num{
  display:block;font-family:var(--font-mono);font-size:clamp(1.5rem,3vw,2rem);
  font-weight:700;color:#fff;line-height:1.2;margin-bottom:6px;
}
.stat-item .label{font-size:.875rem;color:rgba(239,236,227,.78);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.check-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
}
.check-col h3{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.check-col h3 .idx{
  font-family:var(--font-mono);font-size:.8125rem;color:var(--accent-500);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:2px 8px;
}
.check-col li{
  position:relative;padding-left:24px;margin-bottom:12px;
  font-size:.9375rem;color:var(--ink-600);line-height:1.75;
}
.check-col li:last-child{margin-bottom:0;}
.check-col li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:12px;
  border-radius:3px;border:1.5px solid var(--brand-500);
}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item[open]{border-color:var(--brand-100);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:flex-start;
  gap:14px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary h3{font-size:1.0625rem;flex:1 1 auto;font-weight:600;}
.faq-item summary .icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:5px;
}
.faq-item summary .icon::before,
.faq-item summary .icon::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
  transition:transform var(--tr),opacity var(--tr);
}
.faq-item summary .icon::before{left:0;top:10px;width:22px;height:1.5px;}
.faq-item summary .icon::after{top:0;left:10px;height:22px;width:1.5px;}
.faq-item[open] summary .icon::after{transform:scaleY(0);opacity:0;}
.faq-item[open] summary{padding-left:20px;border-left:4px solid var(--brand-500);background:var(--brand-100);}
.faq-item .faq-body{padding:4px 24px 22px 38px;color:var(--ink-600);font-size:.9375rem;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-700);color:#F4F1E9;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(244,241,233,.86);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-actions .hint{font-size:.8125rem;color:rgba(244,241,233,.72);}
.cta-band .btn-primary-c{background:var(--accent-500);border-color:var(--accent-500);}
.cta-band .btn-primary-c:hover{background:#fff;border-color:#fff;color:var(--brand-700);}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.footer-brand strong{font-size:1.0625rem;color:var(--brand-900);}
.footer-col p{font-size:.875rem;color:var(--ink-600);margin-bottom:10px;}
.footer-col h4{font-size:.9375rem;color:var(--brand-900);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:.875rem;color:var(--ink-600);}
.footer-links a:hover{color:var(--accent-500);}
.copyright{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--ink-400);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:grid;grid-template-columns:repeat(5,1fr);}
.tabbar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;height:56px;font-size:.625rem;color:var(--ink-400);
}
.tabbar a i{font-size:22px;line-height:1;}
.tabbar a.active{color:var(--brand-700);font-weight:600;}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;background:var(--accent-500);border-radius:2px;
}

@media (max-width:991.98px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section.tight{padding:48px 0;}
  nav{display:none;}
  nav.is-open{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);padding:12px 20px 18px;
  }
  nav.is-open .nav-main{flex-direction:column;align-items:stretch;gap:4px;}
  nav.is-open .nav-main a{padding:12px 14px;font-size:1rem;}
  nav.is-open .nav-main a.active::after{display:none;}
  nav.is-open .nav-main a.active{background:var(--brand-100);}
  .site-header .container{position:relative;}
  .nav-toggle{display:inline-flex;}
  .card-grid-2{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px;}
  .stat-item:nth-child(odd){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tabbar{display:block;}
  body{padding-bottom:72px;}
  .page-hero{padding:56px 0 48px;}
  .faq-item .faq-body{padding:4px 20px 20px 20px;}
  .faq-item summary{padding:18px 20px;}
  .faq-item[open] summary{padding-left:16px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  h1{font-size:1.75rem;}
  .card-body-c{padding:20px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:48px 0;}
  .section-head{margin-bottom:24px;}
  .btn-base{width:100%;height:44px;}
  .btn-base.btn-inline-sm{width:auto;}
  .chip{height:36px;padding:0 14px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0F332E;
  --brand-700:#14453D;
  --brand-500:#1F6A5A;
  --brand-100:#E6EFEB;
  --accent-500:#E4762F;
  --accent-300:#F3B15E;
  --ink-900:#1B2422;
  --ink-600:#4B5754;
  --ink-400:#7C8785;
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --danger:#B42318;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 12px 28px rgba(20,69,61,.12);
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--paper);
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--accent-500);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25;}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.35;}
h3{font-size:1.125rem;line-height:1.5;}
h4{font-size:1rem;line-height:1.5;}
p{margin:0 0 1.5em;}
:focus-visible{outline:2px solid var(--accent-300);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-100);color:var(--brand-900);}

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

.num{font-family:var(--mono);letter-spacing:.02em;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--card);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-700);
  border-radius:10px;
}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.0625rem;color:var(--brand-900);letter-spacing:.02em;}
.brand-text span{font-size:.75rem;color:var(--ink-400);letter-spacing:.06em;}

.nav-main{
  display:flex;align-items:center;gap:4px;
  list-style:none;margin:0;padding:0;
}
.nav-main > li > a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:.9375rem;
  color:var(--ink-600);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-main > li > a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-main > li > a:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-main > li > a:hover::after,
.nav-main > li > a.active::after{transform:scaleX(1);}
.nav-main > li > a.active{color:var(--brand-700);font-weight:600;}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border:1px solid var(--line);background:var(--card);
  border-radius:var(--r-sm);color:var(--brand-700);font-size:1.25rem;
  align-items:center;justify-content:center;cursor:pointer;transition:var(--t);
}
.nav-toggle:hover{border-color:var(--brand-100);background:var(--brand-100);}

/* ---------- buttons ---------- */
.btn-base{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-sm);
  font-size:.9375rem;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:var(--t);
}
.btn-primary-c{background:var(--brand-700);color:#fff;}
.btn-primary-c:hover,.btn-primary-c:focus{background:var(--accent-500);color:#fff;}
.btn-outline-c{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-outline-c:hover,.btn-outline-c:focus{background:var(--brand-100);color:var(--brand-700);}
.btn-link-c{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-500);font-weight:600;font-size:.9375rem;
}
.btn-link-c:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;}
.btn-sm-c{height:42px;padding:0 18px;font-size:.875rem;}
.btn-base:disabled,.btn-base.is-disabled{opacity:.55;cursor:not-allowed;}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(90deg,rgba(15,51,46,.9) 0%,rgba(15,51,46,.74) 55%,rgba(20,69,61,.6) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F7F4EE;
  padding:72px 0 64px;
}
.page-banner::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(247,244,238,.18);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;color:rgba(247,244,238,.75);
  margin-bottom:20px;
}
.crumb a{color:rgba(247,244,238,.85);}
.crumb a:hover{color:var(--accent-300);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#fff;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;margin-bottom:18px;
  background:rgba(228,118,47,.18);
  border:1px solid rgba(243,177,94,.5);
  border-radius:var(--r-pill);
  font-size:.8125rem;color:var(--accent-300);letter-spacing:.04em;
}
.page-banner h1{color:#fff;max-width:820px;}
.page-banner .lead{
  max-width:720px;margin:18px 0 0;
  color:rgba(247,244,238,.86);
  font-size:1.0625rem;line-height:1.9;
}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:30px;padding-top:24px;
  border-top:1px solid rgba(247,244,238,.18);
}
.banner-meta .mi{display:flex;flex-direction:column;gap:2px;}
.banner-meta .mi b{font-family:var(--mono);font-size:1.25rem;letter-spacing:.02em;color:#fff;font-weight:600;}
.banner-meta .mi span{font-size:.8125rem;color:rgba(247,244,238,.7);}

/* ---------- section ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--white{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.8125rem;letter-spacing:.08em;
  color:var(--accent-500);margin-bottom:10px;
}
.sec-title{display:flex;gap:12px;align-items:baseline;}
.sec-title .idx{
  font-family:var(--mono);font-size:1rem;color:var(--accent-500);
  letter-spacing:.04em;flex:0 0 auto;
}
.sec-title h2{padding-left:14px;border-left:4px solid var(--brand-700);}
.section-head p{margin:14px 0 0;color:var(--ink-600);max-width:760px;}

/* ---------- channel cards ---------- */
.channel-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.channel-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:var(--t);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.channel-card .ico{
  width:42px;height:42px;border-radius:10px;
  background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:1.125rem;margin-bottom:16px;
}
.channel-card h3{font-size:1.0625rem;margin-bottom:8px;}
.channel-card p{margin:0;font-size:.9375rem;color:var(--ink-600);line-height:1.8;}
.channel-card .val{
  display:block;margin-top:12px;
  font-family:var(--mono);font-size:.875rem;color:var(--brand-700);letter-spacing:.02em;
  word-break:break-all;
}

/* ---------- main two column ---------- */
.support-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:32px;
  align-items:start;
}

/* faq */
.faq-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  width:100%;
  padding:20px 20px;
  background:transparent;border:0;text-align:left;
  cursor:pointer;
  font-size:1rem;font-weight:600;color:var(--ink-900);
  border-radius:var(--r-md);
  transition:var(--t);
}
.faq-q:hover{background:var(--brand-100);color:var(--brand-700);}
.faq-q .sign{
  flex:0 0 auto;width:24px;height:24px;
  border:1.5px solid var(--line);border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:.875rem;transition:var(--t);
}
.faq-item.open .faq-q{color:var(--brand-700);background:var(--brand-100);border-left:4px solid var(--brand-700);border-radius:8px 8px 0 0;padding-left:16px;}
.faq-item.open .faq-q .sign{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:rotate(45deg);}
.faq-a{
  display:none;
  padding:4px 20px 22px 20px;
  color:var(--ink-600);
  font-size:.9375rem;line-height:1.9;
  background:var(--brand-100);
  border-radius:0 0 8px 8px;
}
.faq-a p{margin:0 0 12px;}
.faq-a p:last-child{margin-bottom:0;}
.faq-item.open .faq-a{display:block;}

/* form */
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
.form-card h3{margin-bottom:6px;}
.form-card .hint{font-size:.875rem;color:var(--ink-400);margin:0 0 22px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.875rem;font-weight:600;color:var(--ink-600);}
.field .req{color:var(--danger);margin-left:2px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--paper);
  color:var(--ink-900);
  transition:var(--t);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.8;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--brand-100);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--accent-300);outline-offset:1px;
  border-color:var(--accent-500);background:#fff;
}
.field .tip{font-size:.8125rem;color:var(--ink-400);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--ink-600);line-height:1.7;}
.check-row input{
  width:18px;height:18px;margin-top:4px;flex:0 0 18px;
  accent-color:var(--brand-700);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px;}
.form-actions .note{font-size:.8125rem;color:var(--ink-400);margin:0;}

/* contact block */
.contact-block{
  margin-top:24px;
  background:var(--brand-900);
  color:rgba(247,244,238,.88);
  border-radius:var(--r-lg);
  padding:28px;
}
.contact-block h3{color:#fff;margin-bottom:14px;}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;line-height:1.8;}
.contact-list li i{color:var(--accent-300);font-size:1rem;margin-top:4px;flex:0 0 auto;}
.contact-list li b{color:#fff;font-weight:600;}
.contact-block .divider{height:1px;background:rgba(247,244,238,.16);margin:20px 0;}

/* timeline-ish info list */
.info-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:var(--t);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.info-card .tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-pill);font-size:.75rem;font-weight:600;margin-bottom:14px;
}
.info-card h3{margin-bottom:10px;}
.info-card p{margin:0;font-size:.9375rem;color:var(--ink-600);}

/* checklist block */
.checklist{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:32px;align-items:center;
}
.checklist ul{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-1);
  font-size:.9375rem;color:var(--ink-600);line-height:1.8;
}
.checklist li i{color:var(--accent-500);margin-top:4px;flex:0 0 auto;}
.checklist li b{color:var(--ink-900);}
.figure-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--brand-100);box-shadow:var(--sh-1);
}
.figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-card figcaption{
  padding:14px 18px;background:var(--card);font-size:.875rem;color:var(--ink-400);
}

/* cta */
.cta-band{
  position:relative;
  background:var(--brand-700);
  color:#F7F4EE;
  border-radius:var(--r-lg);
  padding:40px 36px;
  overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(247,244,238,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(1.25rem,2.6vw,1.6rem);}
.cta-band p{margin:10px 0 0;color:rgba(247,244,238,.85);font-size:.9375rem;max-width:640px;}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:8px;align-items:flex-start;}
.cta-band .btn-primary-c{background:var(--accent-500);}
.cta-band .btn-primary-c:hover{background:#fff;color:var(--brand-700);}
.cta-band .cta-actions small{color:rgba(247,244,238,.7);font-size:.8125rem;}

/* footer */
.site-footer{
  background:var(--card);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--brand-700);}
.footer-brand strong{color:var(--brand-900);font-size:1.0625rem;}
.footer-col p{font-size:.9375rem;color:var(--ink-600);margin:0 0 10px;line-height:1.85;}
.footer-col h4{font-size:.9375rem;color:var(--brand-900);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-links a{font-size:.9375rem;color:var(--ink-600);}
.footer-links a:hover{color:var(--accent-500);}
.copyright{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:var(--ink-400);
}

/* mobile tab */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--card);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  height:calc(56px + env(safe-area-inset-bottom));
}
.mobile-tab .tab-inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px;}
.tab-item{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:var(--ink-400);font-size:.625rem;
}
.tab-item i{font-size:22px;line-height:1;}
.tab-item::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;
  background:var(--accent-500);transform:scaleX(0);transition:transform var(--t);
}
.tab-item.active{color:var(--brand-700);}
.tab-item.active::before{transform:scaleX(1);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-main > li > a{padding:10px 9px;font-size:.875rem;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  body{padding-bottom:72px;}
  .mobile-tab{display:block;}
  .nav-main{
    display:none;
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--card);border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);padding:8px 16px 18px;
  }
  .nav-main.open{display:flex;}
  .nav-main > li > a{padding:13px 10px;font-size:1rem;border-radius:var(--r-sm);}
  .nav-main > li > a::after{display:none;}
  .nav-main > li + li{border-top:1px solid var(--line);}
  .nav-toggle{display:inline-flex;}
  .site-header .nav-wrap{position:relative;}
  .section{padding:64px 0;}
  .support-layout{grid-template-columns:1fr;}
  .checklist{grid-template-columns:1fr;}
  .info-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:32px 24px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:1rem;}
  .brand-text span{display:none;}
  .page-banner{padding:48px 0 44px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .channel-grid{grid-template-columns:1fr;}
  .info-strip{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .banner-meta{gap:18px 24px;}
  .btn-base{width:100%;height:44px;}
  .btn-base.btn-inline{width:auto;}
  .faq-q{padding:16px;font-size:.9375rem;}
  .faq-item.open .faq-q{padding-left:12px;}
  .form-card{padding:20px;}
  .contact-block{padding:22px;}
  .cta-band{padding:28px 20px;}
  .cta-band .cta-actions{width:100%;}
}