/* roulang page: index */
:root{
  --ink:#14161B;
  --ink-2:#1D1F24;
  --celadon:#2E6E5E;
  --signal:#E4572E;
  --signal-dark:#C9461F;
  --paper:#F5F3EE;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#1D1F24;
  --muted:#6E7076;
  --faint:#9A9CA2;
  --r-sm:4px;
  --r-md:6px;
  --r-lg:8px;
  --sh-soft:0 1px 2px rgba(20,22,27,.04);
  --sh-mid:0 8px 24px rgba(20,22,27,.08);
  --sh-deep:0 8px 32px rgba(20,22,27,.18);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  --ease:cubic-bezier(.2,.6,.3,1);
  --bs-primary:#E4572E;
  --bs-body-bg:#F5F3EE;
  --bs-body-color:#1D1F24;
  --bs-border-radius:6px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#2E6E5E;
  --bs-link-hover-color:#E4572E;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16.5px;line-height:1.75;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--celadon);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--signal)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);letter-spacing:-.015em;line-height:1.25;margin:0 0 12px}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部卡片化导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0;
  background:rgba(245,243,238,.95);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{padding:6px 0;box-shadow:0 1px 0 var(--line)}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 16px;
  box-shadow:var(--sh-soft);
  transition:box-shadow .24s var(--ease);
}
.site-header.scrolled .nav-panel{box-shadow:var(--sh-mid)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:var(--r-sm);
  background:var(--ink);color:#F5F3EE;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
}
.brand-text{
  font-family:var(--font-serif);font-size:17px;font-weight:700;
  color:var(--ink);letter-spacing:-.01em;white-space:nowrap;
}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;min-height:48px;
  border:1px solid var(--line);border-radius:var(--r-md);
  font-size:14.5px;color:var(--text);background:var(--card);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.nav-card i{font-size:15px;color:var(--celadon);transition:color .2s var(--ease)}
.nav-card:hover{border-color:var(--signal);color:var(--signal)}
.nav-card:hover i{color:var(--signal)}
.nav-card.active{background:var(--ink);border-color:var(--ink);color:#F5F3EE}
.nav-card.active i{color:#F5F3EE}
.nav-cta{flex:0 0 auto;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  padding:11px 22px;min-height:44px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;text-align:center;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent{background:var(--signal);border-color:var(--signal);color:#fff}
.btn-accent:hover{background:var(--signal-dark);border-color:var(--signal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(228,87,46,.24)}
.btn-ink{background:var(--ink);border-color:var(--ink);color:#F5F3EE}
.btn-ink:hover{background:#000;border-color:#000;color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--celadon);color:var(--celadon)}
.btn-line:hover{background:var(--celadon);border-color:var(--celadon);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(245,243,238,.55);color:#F5F3EE}
.btn-ghost:hover{background:rgba(245,243,238,.14);border-color:#F5F3EE;color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 16px;min-height:40px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);color:var(--ink);font-size:17px;
  align-items:center;justify-content:center;cursor:pointer;
}
.drawer{
  position:fixed;inset:0;z-index:1080;background:var(--paper);
  padding:20px 20px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);color:var(--ink);font-size:18px;cursor:pointer}
.drawer-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer-link{
  display:flex;align-items:center;gap:12px;min-height:52px;
  padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);color:var(--ink);font-size:16px;
}
.drawer-link i{color:var(--celadon)}
.drawer-link.active{background:var(--ink);border-color:var(--ink);color:#F5F3EE}
.drawer-link.active i{color:#F5F3EE}
.drawer-cta{width:100%}
@media (min-width:992px){.drawer{display:none}}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#F5F3EE;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,22,27,.94) 0%,rgba(20,22,27,.82) 48%,rgba(20,22,27,.58) 100%)}
.hero-inner{
  position:relative;z-index:2;
  padding-top:92px;padding-bottom:84px;
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:56px;align-items:center;
}
.hero-copy{max-width:620px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;font-weight:600;
  color:#F0B39C;border:1px solid rgba(228,87,46,.5);
  border-radius:2px;padding:5px 12px;margin-bottom:22px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4.15vw,50px);line-height:1.15;
  letter-spacing:-.02em;margin-bottom:20px;
}
.hero-sub{font-size:17.5px;color:rgba(245,243,238,.82);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid rgba(245,243,238,.18);padding-top:24px;
}
.fact{flex:1 1 130px;padding:0 22px 0 0;margin-right:22px;border-right:1px solid rgba(245,243,238,.16)}
.fact:last-child{border-right:0;margin-right:0;padding-right:0}
.fact-num{display:block;font-family:var(--font-serif);font-size:23px;font-weight:700;color:#fff;line-height:1.3}
.fact-label{display:block;font-size:13.5px;color:rgba(245,243,238,.66);margin-top:2px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid rgba(245,243,238,.16);
  box-shadow:0 8px 32px rgba(0,0,0,.38);
}
.hero-media figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(20,22,27,.82);border:1px solid rgba(245,243,238,.14);
  border-radius:var(--r-md);padding:12px 14px;
  font-size:13.5px;color:rgba(245,243,238,.86);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--card)}
.section-dark{background:var(--ink);color:rgba(245,243,238,.78)}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{max-width:740px;margin-bottom:44px}
.sec-eyebrow{display:block;font-size:12.5px;letter-spacing:.16em;font-weight:700;color:var(--celadon);text-transform:uppercase;margin-bottom:10px}
.section-dark .sec-eyebrow{color:#F0B39C}
.sec-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:14px}
.sec-head p{color:var(--muted);margin:0}
.section-dark .sec-head p{color:rgba(245,243,238,.7)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}
.more-link{font-size:14.5px;font-weight:600;color:var(--celadon);white-space:nowrap}
.more-link i{margin-left:6px;font-size:12px;transition:transform .2s var(--ease)}
.more-link:hover i{transform:translateX(3px)}

/* ============ 核验要点 ============ */
.verify-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.verify-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.verify-card:hover{border-color:var(--signal);transform:translateY(-2px);box-shadow:var(--sh-mid)}
.verify-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--signal);line-height:1;display:block;margin-bottom:14px}
.verify-card h3{font-size:20px;margin-bottom:10px}
.verify-card p{font-size:15px;color:var(--muted);margin:0}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:26px;top:10px;bottom:10px;width:1px;background:var(--line)}
.tl-item{position:relative;display:flex;gap:26px;padding-bottom:42px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:relative;z-index:1;flex:0 0 15px;width:15px;height:15px;margin-left:19px;margin-top:7px;
  border-radius:50%;border:2px solid var(--celadon);background:var(--paper);
}
.tl-item.is-active .tl-dot{border-color:var(--signal);background:var(--signal)}
.tl-body{flex:1;min-width:0}
.tl-time{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--signal);margin-bottom:6px}
.tl-body h3{font-size:20px;margin-bottom:8px}
.tl-body p{font-size:15.5px;color:var(--muted);margin:0}

/* ============ 保障卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:24px}
.tile-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tile-card:hover{border-color:var(--signal);transform:translateY(-2px);box-shadow:var(--sh-mid)}
.tile-thumb{display:block;aspect-ratio:4/5;overflow:hidden;background:#EDEAE2}
.tile-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.tile-card:hover .tile-thumb img{transform:scale(1.03)}
.tile-body{padding:20px 22px 24px}
.tile-role{display:block;font-size:13.5px;font-weight:600;color:var(--celadon);margin-bottom:6px}
.tile-body h3{font-size:19px;margin-bottom:8px}
.tile-body p{font-size:14.5px;color:var(--muted);margin:0}

/* ============ 方案对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.plan-card:hover{border-color:var(--signal);transform:translateY(-3px);box-shadow:var(--sh-mid)}
.plan-card.recommended{border:2px solid var(--signal);box-shadow:0 8px 28px rgba(228,87,46,.13)}
.plan-badge{
  position:absolute;top:-12px;left:26px;background:var(--signal);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:3px 10px;border-radius:2px;
}
.plan-name{font-family:var(--font-serif);font-size:22px;color:var(--ink);margin-bottom:6px}
.plan-for{font-size:14px;color:var(--muted);margin-bottom:18px}
.plan-metric{font-family:var(--font-serif);font-size:30px;font-weight:700;color:var(--ink);line-height:1}
.plan-metric small{font-family:var(--font-sans);font-size:13.5px;font-weight:500;color:var(--muted);margin-left:8px}
.plan-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:4px}
.plan-list li{display:flex;gap:10px;font-size:15px;padding:7px 0;border-bottom:1px dashed rgba(227,224,216,.9)}
.plan-list li:last-child{border-bottom:0}
.plan-list li i{font-size:13px;margin-top:6px;color:var(--celadon)}
.plan-list li.na{color:var(--faint)}
.plan-list li.na i{color:#C9CBCF}
.plan-card .btn{margin-top:auto;width:100%}

/* ============ 反馈表单（深色） ============ */
.form-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.form-notes{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.note-item{display:flex;gap:12px;font-size:15px;color:rgba(245,243,238,.78)}
.note-item i{color:var(--signal);margin-top:5px}
.form-card{
  background:rgba(245,243,238,.05);border:1px solid rgba(245,243,238,.16);
  border-radius:var(--r-lg);padding:30px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.form-label{display:block;font-size:14px;color:rgba(245,243,238,.75);margin-bottom:7px}
.form-control,.form-select{
  width:100%;height:48px;padding:0 14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(245,243,238,.22);
  border-radius:var(--r-sm);
  color:#fff;font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:rgba(245,243,238,.42)}
.form-control:focus,.form-select:focus{
  outline:none;background:rgba(255,255,255,.09);
  border-color:var(--signal);box-shadow:0 0 0 3px rgba(228,87,46,.18);
}
.form-select option{color:#1D1F24}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:rgba(245,243,238,.72);margin-bottom:22px}
.check-line input{margin-top:4px;width:16px;height:16px;accent-color:var(--signal)}
.form-submit{width:100%}
.form-hint{margin-top:14px;font-size:13.5px;color:#F0B39C;display:none}
.form-hint.is-on{display:block}

/* ============ 最新信息 ============ */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cms-card:hover{border-color:var(--signal);transform:translateY(-2px);box-shadow:var(--sh-mid)}
.cms-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#EDEAE2}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.cms-card:hover .cms-thumb img{transform:scale(1.03)}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-soft{
  align-self:flex-start;display:inline-block;
  background:rgba(46,110,94,.10);color:var(--celadon);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:3px 9px;border-radius:2px;
}
.cms-title{font-size:19px;line-height:1.45;margin:0}
.cms-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-title a:hover{color:var(--signal)}
.cms-excerpt{font-size:14.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-time{font-size:13px;color:var(--faint);margin-top:auto}
.cms-empty{
  grid-column:1/-1;text-align:center;
  background:rgba(46,110,94,.05);border:1px dashed var(--line);
  border-radius:var(--r-lg);padding:56px 24px;
}
.cms-empty p{color:var(--muted);margin-bottom:18px}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  width:100%;background:var(--card);color:var(--ink);
  font-family:var(--font-serif);font-size:18px;font-weight:700;line-height:1.5;
  padding:20px 24px;box-shadow:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--signal);background:var(--card)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--signal);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;transform:none;
  width:auto;height:auto;font-size:24px;line-height:1;
  color:var(--celadon);font-family:var(--font-sans);
  display:flex;align-items:center;justify-content:center;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--signal);transform:none}
.faq-acc .accordion-body{
  padding:0 24px 22px;font-size:15.5px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:18px;margin-top:0;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#F5F3EE;color:var(--ink)}
.footer-brand .brand-text{color:#fff}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(245,243,238,.65);margin:0}
.footer-title{font-family:var(--font-serif);font-size:16px;color:#fff;margin-bottom:16px;letter-spacing:-.01em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(245,243,238,.72)}
.footer-links a:hover{color:var(--signal)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:rgba(245,243,238,.72)}
.footer-contact i{width:18px;color:var(--celadon)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(245,243,238,.12);
  margin-top:48px;padding-top:20px;font-size:13px;color:rgba(245,243,238,.5);
}

/* ============ 入场动效 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
  .plan-grid{gap:18px}
  .footer-grid{gap:30px}
}
@media (max-width:991px){
  .nav-cards,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:64px;padding-bottom:60px}
  .hero-copy{max-width:none}
  .hero-media{max-width:460px}
  .section{padding:64px 0}
  .timeline::before{left:22px}
  .tl-dot{margin-left:15px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .form-wrap{grid-template-columns:1fr;gap:36px}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  .form-row{grid-template-columns:1fr;gap:0}
  .hero-facts{gap:20px}
  .fact{flex:1 1 45%;border-right:0;margin-right:0;padding-right:0}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .nav-panel{min-height:64px;padding:8px 12px}
  .brand-text{font-size:15px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-media{max-width:none}
  .hero-media figcaption{position:static;margin-top:12px;background:transparent;border:0;padding:0}
  .section{padding:52px 0}
  .sec-head h2{font-size:24px}
  .cms-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .verify-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: article */
:root{
  --bs-primary:#E4572E;
  --bs-body-bg:#F5F3EE;
  --bs-body-color:#1D1F24;
  --bs-border-radius:6px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#1D1F24;
  --bs-link-hover-color:#E4572E;

  --ink:#14161B;
  --celadon:#2E6E5E;
  --signal:#E4572E;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3E0D8;
  --text:#1D1F24;
  --muted:#6E7076;
  --radius-sm:4px;
  --radius:8px;
  --radius-badge:2px;
  --shadow-soft:0 1px 2px rgba(20,22,27,.04);
  --shadow-deep:0 8px 32px rgba(20,22,27,.18);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.6,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--signal)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink);margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:rgba(245,243,238,.86);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,22,27,.08);background:rgba(245,243,238,.96)}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
  padding:10px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#F7F5F0;
  font-family:var(--serif);font-size:18px;font-weight:600;
  border-radius:var(--radius-sm);
}
.brand-text{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:10px;flex:1 1 auto;margin:0;padding:0}
.nav-card{
  display:flex;align-items:center;gap:8px;
  height:50px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FBFAF7;color:#3A3D44;
  font-size:14.5px;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.nav-card i{font-size:15px;color:var(--celadon)}
.nav-card:hover{border-color:var(--signal);color:var(--signal);transform:translateY(-1px)}
.nav-card.active{border-color:var(--ink);background:var(--ink);color:#F7F5F0}
.nav-card.active i{color:#F0A78E}
.nav-cta{flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-ink{background:var(--ink);color:#F7F5F0;border-color:var(--ink)}
.btn-ink:hover{background:#000;color:#fff;border-color:#000}
.btn-signal{background:var(--signal);color:#fff;border-color:var(--signal)}
.btn-signal:hover{background:#C8461F;border-color:#C8461F;color:#fff}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink);background:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  align-items:center;justify-content:center;
  background:#FBFAF7;border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--ink);cursor:pointer;
}

/* ---------- Breadcrumb & article head ---------- */
.crumb-bar{padding:28px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--signal)}
.crumb i{font-size:10px;color:#B9B5AA}
.crumb .current{color:var(--ink);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:22px 0 36px;border-bottom:1px solid var(--line)}
.article-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;margin-bottom:16px;
  background:rgba(46,110,94,.08);color:var(--celadon);
  border:1px solid rgba(46,110,94,.2);border-radius:var(--radius-badge);
  font-size:13px;letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.22;
  max-width:22ch;
  margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--celadon);font-size:13px}

/* ---------- Reading layout ---------- */
.reading-wrap{padding:56px 0 8px}
.reading-grid{display:block}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17.5px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  font-size:clamp(23px,2.4vw,30px);line-height:1.3;
  margin:2.2em 0 .85em;padding-top:.2em;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:21px;line-height:1.4;margin:1.9em 0 .65em}
.article-body h4{font-size:18px;margin:1.6em 0 .5em;font-family:var(--sans);font-weight:600}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em}
.article-body ul li{list-style:none;position:relative;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.78em;
  width:6px;height:6px;background:var(--signal);border-radius:50%;
}
.article-body ol li{list-style:decimal;margin:.45em 0}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;
  border-left:3px solid var(--signal);
  background:#FBF9F4;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3A3D44;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;margin:1.7em 0;
  border:1px solid var(--line);border-radius:var(--radius);
}
.article-body table{
  width:100%;margin:1.7em 0;border-collapse:collapse;
  font-size:15.5px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.article-body th,.article-body td{padding:11px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:#F1EFE8;font-weight:600;color:var(--ink)}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  font-family:var(--mono);font-size:.9em;
  background:#F1EFE8;padding:2px 6px;border-radius:var(--radius-sm);
}
.article-body pre{
  margin:1.7em 0;padding:18px 20px;
  background:var(--ink);color:#EAE8E2;border-radius:var(--radius);
  overflow-x:auto;
}
.article-body pre code{background:transparent;color:inherit;padding:0;font-size:14px;line-height:1.7}
.article-body a{color:var(--celadon);border-bottom:1px solid rgba(46,110,94,.35)}
.article-body a:hover{color:var(--signal);border-bottom-color:var(--signal)}
.article-body hr{margin:2.2em 0;border:0;border-top:1px solid var(--line)}

.tags-row{max-width:760px;margin:36px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 12px;
  background:#EFEDE6;color:#4A4D55;
  border:1px solid var(--line);border-radius:var(--radius-badge);
  font-size:13px;letter-spacing:.02em;transition:all .2s var(--ease);
}
.tag:hover{background:rgba(46,110,94,.1);border-color:rgba(46,110,94,.35);color:var(--celadon)}

.empty-state{
  max-width:760px;margin:0 auto;padding:44px 28px;text-align:center;
  background:rgba(20,22,27,.03);border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- Related ---------- */
.section{padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.25}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:60ch}
.link-more{font-size:14.5px;color:var(--celadon);display:inline-flex;align-items:center;gap:7px}
.link-more::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;transition:transform .2s var(--ease)}
.link-more:hover{color:var(--signal)}
.link-more:hover::after{transform:translateX(3px)}

.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-soft);overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 10px 26px rgba(20,22,27,.08)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9E6DE}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.badge-cat{
  align-self:flex-start;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  background:rgba(46,110,94,.1);color:var(--celadon);
  border-radius:var(--radius-badge);font-size:12.5px;letter-spacing:.02em;
}
.card-body h3{
  font-size:19px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14.5px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;padding-top:8px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.card-link{position:absolute;inset:0;z-index:2}

.cta-block{background:var(--ink);color:#EAE8E2;border-radius:var(--radius);padding:52px 44px;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;box-shadow:var(--shadow-deep)}
.cta-block h2{color:#F7F5F0;font-size:clamp(23px,2.6vw,30px);margin-bottom:12px}
.cta-block p{color:#B6B3AB;max-width:58ch;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-block .btn-outline{color:#F0EEE8;border-color:rgba(240,238,232,.35)}
.cta-block .btn-outline:hover{background:rgba(240,238,232,.1);border-color:#F0EEE8;color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#B6B3AB;padding:68px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#F7F5F0;color:var(--ink)}
.footer-brand .brand-text{color:#F7F5F0}
.footer-desc{font-size:14px;line-height:1.8;color:#9B9992;margin:0;max-width:34ch}
.footer-title{font-family:var(--sans);font-size:15px;font-weight:600;color:#F7F5F0;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#9B9992;position:relative}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--signal);
  transition:width .22s var(--ease);
}
.footer-links a:hover{color:#F7F5F0}
.footer-links a:hover::after{width:100%}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9B9992}
.footer-contact span{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--signal);margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(240,238,232,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#807E78;
}

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

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (min-width:1400px){
  .container{max-width:1280px}
}
@media (max-width:991px){
  .nav-cards{
    position:fixed;left:0;right:0;top:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:12px;
    padding:88px 24px 32px;
    background:var(--paper);
    transform:translateX(-100%);opacity:0;pointer-events:none;
    transition:transform .26s var(--ease),opacity .26s var(--ease);
    overflow-y:auto;z-index:1040;
  }
  .nav-cards.is-open{transform:translateX(0);opacity:1;pointer-events:auto}
  .nav-card{height:56px;font-size:16px;background:#fff}
  .nav-toggle{display:inline-flex;order:3}
  .nav-cta{order:2;margin-left:auto}
  .brand{order:1}
  .nav-panel{flex-wrap:wrap;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .card-grid{grid-template-columns:1fr}
  .cta-block{padding:36px 24px}
  .article-body{font-size:17px;line-height:1.85}
  .article-head h1{max-width:none}
  .crumb .current{max-width:100%;white-space:normal}
  .reading-wrap{padding:40px 0 0}
  .section{padding:48px 0}
}
@media (max-width:575px){
  body{font-size:16px}
  .brand-text{font-size:16px}
  .nav-cta .btn{min-height:40px;padding:0 14px;font-size:13.5px}
  .footer-grid{grid-template-columns:1fr}
  .article-body{font-size:16.5px}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --ink:#14161B;
  --ink-soft:#20232A;
  --celadon:#2E6E5E;
  --celadon-soft:rgba(46,110,94,.10);
  --signal:#E4572E;
  --signal-dark:#C8451F;
  --signal-soft:rgba(228,87,46,.10);
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3E0D8;
  --text:#1D1F24;
  --muted:#6E7076;
  --danger:#C0392B;
  --r-s:4px;
  --r-l:8px;
  --r-badge:2px;
  --r-btn:4px;
  --sh-s:0 1px 2px rgba(20,22,27,.04);
  --sh-m:0 2px 8px rgba(20,22,27,.06);
  --sh-d:0 8px 32px rgba(20,22,27,.18);
  --ease:cubic-bezier(.2,.6,.3,1);
  --t:200ms cubic-bezier(.2,.6,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --bs-primary:#E4572E;
  --bs-body-bg:#F5F3EE;
  --bs-body-color:#1D1F24;
  --bs-body-font-family:var(--font-sans);
  --bs-border-color:#E3E0D8;
  --bs-border-radius:4px;
  --bs-border-radius-sm:2px;
  --bs-border-radius-lg:8px;
  --bs-link-color:#1D1F24;
  --bs-link-hover-color:#E4572E;
  --bs-emphasis-color:#14161B;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--signal)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  color:var(--ink);
  letter-spacing:-.015em;
  margin:0;
  font-weight:700;
}
h1{font-size:clamp(30px,4vw,46px);line-height:1.16}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.26}
h3{font-size:20px;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong{font-weight:700}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:2px}

.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){
  .container{max-width:1280px}
}

/* ---------- 顶部导航（卡片化面板） ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:12px 0 10px;
  background:rgba(245,243,238,.86);
  backdrop-filter:saturate(140%) blur(8px);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:rgba(245,243,238,.96);
  box-shadow:0 6px 24px rgba(20,22,27,.08);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
  padding:12px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-s);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;
  height:34px;
  flex:0 0 34px;
  display:grid;
  place-items:center;
  background:var(--ink);
  color:#F5F3EE;
  border-radius:var(--r-s);
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  line-height:1;
}
.brand-text{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-cards{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-s);
  background:#FCFBF8;
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
}
.nav-card i{font-size:14px;color:var(--celadon);transition:color var(--t)}
.nav-card:hover{
  border-color:var(--signal);
  color:var(--signal);
  background:#fff;
  transform:translateY(-1px);
}
.nav-card:hover i{color:var(--signal)}
.nav-card.active{
  border-color:var(--ink);
  background:var(--ink);
  color:#F5F3EE;
}
.nav-card.active i{color:#F5F3EE}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-s);
  background:#FCFBF8;
  color:var(--ink);
  font-size:16px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:14px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  text-align:center;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:11px 16px;font-size:14px}
.btn-signal{background:var(--signal);border-color:var(--signal);color:#fff}
.btn-signal:hover{background:var(--signal-dark);border-color:var(--signal-dark);color:#fff}
.btn-ink{background:var(--ink);border-color:var(--ink);color:#F5F3EE}
.btn-ink:hover{background:var(--signal);border-color:var(--signal);color:#fff}
.btn-outline-ink{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline-ink:hover{border-color:var(--signal);color:var(--signal);background:#fff}
.btn-outline-light{background:transparent;border-color:rgba(245,243,238,.42);color:#F5F3EE}
.btn-outline-light:hover{background:#F5F3EE;border-color:#F5F3EE;color:var(--ink)}
.btn-block{width:100%}

/* ---------- 通用标签 / 板块 ---------- */
.kicker{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--celadon);
  margin-bottom:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border-radius:var(--r-badge);
  background:var(--celadon-soft);
  color:var(--celadon);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.5;
}
.tag-signal{background:var(--signal-soft);color:var(--signal)}
.tag-muted{background:rgba(110,112,118,.10);color:var(--muted)}
.section{padding:88px 0}
.section-tight{padding-top:0}
.section-dark{
  background:var(--ink);
  color:#EDEAE3;
}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-note{
  max-width:420px;
  font-size:14px;
  color:var(--muted);
  margin:0;
}
.section-dark .section-note{color:rgba(237,234,227,.72)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  background-image:linear-gradient(var(--signal),var(--signal));
  background-size:0% 1px;
  background-position:0 100%;
  background-repeat:no-repeat;
  padding-bottom:2px;
  transition:background-size var(--t),color var(--t);
}
.text-link:hover{color:var(--signal);background-size:100% 1px}
.text-link i{font-size:12px}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  min-height:clamp(280px,32vw,340px);
  display:flex;
  align-items:flex-end;
  padding:56px 0 48px;
  overflow:hidden;
  background:var(--ink);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(20,22,27,.88) 0%,rgba(20,22,27,.72) 46%,rgba(20,22,27,.58) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(245,243,238,.72);
  margin-bottom:18px;
}
.crumb a{color:rgba(245,243,238,.86)}
.crumb a:hover{color:var(--signal)}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;font-weight:600}
.cat-hero .kicker{color:#F0A98F}
.cat-hero h1{color:#fff;max-width:860px}
.cat-hero-sub{
  color:rgba(245,243,238,.84);
  max-width:640px;
  font-size:16px;
  margin-top:18px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.hero-facts li{
  min-width:150px;
  padding:12px 16px;
  border:1px solid rgba(245,243,238,.24);
  border-radius:var(--r-s);
  background:rgba(245,243,238,.06);
}
.hero-facts .k{
  display:block;
  font-size:12px;
  color:rgba(245,243,238,.66);
  margin-bottom:4px;
}
.hero-facts strong{
  font-size:15px;
  color:#fff;
  font-weight:700;
}

/* ---------- 简介 + 锚点导航 ---------- */
.intro-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:48px;
  align-items:start;
}
.intro-text h2{margin-bottom:18px}
.intro-text p{color:var(--muted);max-width:620px}
.intro-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.anchor-nav{
  position:sticky;
  top:112px;
  display:grid;
  gap:10px;
}
.anchor-card{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-s);
  box-shadow:var(--sh-s);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.anchor-card i{
  width:32px;
  height:32px;
  flex:0 0 32px;
  display:grid;
  place-items:center;
  border-radius:var(--r-s);
  background:var(--signal-soft);
  color:var(--signal);
  font-size:14px;
}
.anchor-card span{font-size:14px;font-weight:700;color:var(--ink)}
.anchor-card em{
  margin-left:auto;
  font-style:normal;
  font-size:12px;
  color:var(--muted);
}
.anchor-card:hover{
  border-color:var(--signal);
  transform:translateY(-1px);
  box-shadow:var(--sh-m);
}
.anchor-card:hover span{color:var(--signal)}

/* ---------- 左窄右宽图文列表 ---------- */
.split-list{display:grid;gap:24px}
.split-row{
  display:grid;
  grid-template-columns:minmax(0,40fr) minmax(0,60fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-s);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.split-row:hover{
  border-color:var(--signal);
  box-shadow:var(--sh-m);
  transform:translateY(-2px);
}
.split-media{
  margin:0;
  position:relative;
  min-height:100%;
  aspect-ratio:4/3;
  overflow:hidden;
  background:#E9E6DF;
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 260ms var(--ease);
}
.split-row:hover .split-media img{transform:scale(1.03)}
.split-body{
  padding:26px 28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.split-body h3{margin:0}
.split-body p{color:var(--muted);font-size:15px;margin:0}
.tick-list{display:grid;gap:8px;margin-top:2px}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:12px;
  height:8px;
  border-left:2px solid var(--celadon);
  border-bottom:2px solid var(--celadon);
  transform:rotate(-45deg);
}
.split-body .text-link{margin-top:6px}

/* ---------- 判断流程编号卡 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.flow-card{
  position:relative;
  padding:26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-s);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.flow-card:hover{border-color:var(--signal);transform:translateY(-2px);box-shadow:var(--sh-m)}
.flow-num{
  font-family:var(--font-mono);
  font-size:34px;
  font-weight:700;
  color:var(--signal);
  line-height:1;
  letter-spacing:-.02em;
  display:block;
  margin-bottom:14px;
}
.flow-card h3{font-size:18px;margin-bottom:10px}
.flow-card p{font-size:14px;color:var(--muted);margin:0}
.flow-strip{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  margin-top:34px;
  padding:18px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--signal);
  border-radius:var(--r-s);
  font-size:14px;
  color:var(--muted);
}
.flow-strip b{color:var(--ink);font-weight:700}

/* ---------- 对照模块 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-card{
  padding:28px;
  border-radius:var(--r-l);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-s);
}
.compare-card.is-good{border-top:3px solid var(--celadon)}
.compare-card.is-warn{border-top:3px solid var(--signal)}
.compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.compare-card h3 i{font-size:16px}
.is-good h3 i{color:var(--celadon)}
.is-warn h3 i{color:var(--signal)}
.check-list{display:grid;gap:12px}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--text);
  padding-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{
  margin-top:6px;
  font-size:12px;
  flex:0 0 auto;
}
.is-good .check-list i{color:var(--celadon)}
.is-warn .check-list i{color:var(--signal)}

/* ---------- 常见问题 ---------- */
.faq-wrap{max-width:900px}
.faq .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-s);
}
.faq .accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  padding:20px 22px;
  border:0;
  box-shadow:none;
  gap:14px;
  line-height:1.5;
}
.faq .accordion-button:not(.collapsed){color:var(--signal)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(228,87,46,.12);z-index:3}
.faq .accordion-button::after{
  flex:0 0 26px;
  width:26px;
  height:26px;
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 6l5 5 5-5' fill='none' stroke='%23E4572E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-size:13px 13px;
  background-position:center;
  background-repeat:no-repeat;
  transform:rotate(-90deg);
  transition:transform var(--t),border-color var(--t);
  margin-left:auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(0deg);border-color:var(--signal)}
.faq .accordion-body{
  padding:0 22px 24px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
}
.faq .accordion-body strong{color:var(--ink)}

/* ---------- 深色 CTA + 表单 ---------- */
.cta-block{
  background:var(--ink);
  border-radius:var(--r-l);
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,480px);
  gap:48px;
  box-shadow:var(--sh-d);
}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(237,234,227,.76);font-size:15px}
.cta-points{display:grid;gap:10px;margin-top:24px}
.cta-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(237,234,227,.84);
}
.cta-points i{color:#F0A98F;margin-top:5px;font-size:12px}
.form-card{
  background:#fff;
  border-radius:var(--r-l);
  padding:26px;
}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--muted);margin-bottom:18px}
.form-row{margin-bottom:14px}
.form-row label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
}
.form-control,.form-select{
  width:100%;
  height:46px;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  background:#FCFBF8;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
textarea.form-control{
  height:auto;
  min-height:96px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.form-control:focus,.form-select:focus{
  outline:none;
  background:#fff;
  border-color:var(--signal);
  box-shadow:0 0 0 3px rgba(228,87,46,.12);
}
.form-control::placeholder{color:#A6A8AD}
.form-check{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin:16px 0 18px;
  font-size:13px;
  color:var(--muted);
}
.form-check input{
  width:16px;
  height:16px;
  margin-top:3px;
  accent-color:var(--signal);
  flex:0 0 16px;
}
.form-check a{color:var(--ink);text-decoration:underline}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(237,234,227,.76);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(245,243,238,.14);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:#F5F3EE;color:var(--ink)}
.footer-brand .brand-text{color:#fff;font-family:var(--font-serif);font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;max-width:380px;margin:0}
.footer-title{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px}
.footer-links a{
  font-size:14px;
  color:rgba(237,234,227,.76);
  background-image:linear-gradient(var(--signal),var(--signal));
  background-size:0% 1px;
  background-position:0 100%;
  background-repeat:no-repeat;
  padding-bottom:2px;
  transition:background-size var(--t),color var(--t);
}
.footer-links a:hover{color:#fff;background-size:100% 1px}
.footer-contact{display:grid;gap:10px;font-size:14px}
.footer-contact span{display:flex;gap:9px;align-items:flex-start}
.footer-contact i{color:#F0A98F;margin-top:5px;font-size:12px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(237,234,227,.6);
}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 480ms var(--ease),transform 480ms var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-card{padding:0 12px;font-size:13px}
  .split-body{padding:24px}
}
@media (max-width:991px){
  .site-header{padding:10px 0}
  .nav-panel{min-height:64px;padding:10px 14px;gap:12px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cards{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(320px,84vw);
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin:0;
    padding:88px 20px 24px;
    background:var(--surface);
    border-left:1px solid var(--line);
    box-shadow:var(--sh-d);
    transform:translateX(102%);
    visibility:hidden;
    transition:transform 260ms var(--ease),visibility 260ms var(--ease);
    z-index:1045;
    overflow-y:auto;
  }
  .nav-cards.is-open{transform:none;visibility:visible}
  .nav-card{height:52px;font-size:15px;justify-content:flex-start}
  .nav-cta{display:none}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .anchor-nav{position:static}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split-row{grid-template-columns:1fr}
  .split-media{aspect-ratio:16/9}
  .cta-block{grid-template-columns:1fr;padding:36px 28px;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:72px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-note{max-width:none}
}
@media (max-width:767px){
  .compare-grid{grid-template-columns:1fr}
  .hero-facts li{min-width:calc(50% - 6px);flex:1 1 calc(50% - 6px)}
  .cat-hero{padding:44px 0 40px}
}
@media (max-width:575px){
  body{font-size:15px}
  h1{font-size:27px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding-inline:18px}
  .section{padding:56px 0}
  .flow-grid{grid-template-columns:1fr}
  .split-body{padding:22px 20px}
  .compare-card{padding:22px}
  .faq .accordion-button{font-size:16px;padding:16px 18px}
  .faq .accordion-body{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .brand-text{font-size:15px}
  .brand-mark{width:30px;height:30px;flex-basis:30px;font-size:15px}
  .hero-facts li{min-width:100%}
  .form-card{padding:20px}
  .cta-block{padding:28px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#14161B;
  --ink-soft:#1D1F24;
  --celadon:#2E6E5E;
  --orange:#E4572E;
  --orange-deep:#C8461F;
  --paper:#F5F3EE;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#1D1F24;
  --muted:#6E7076;
  --danger:#C0392B;
  --r-xs:2px;
  --r-sm:4px;
  --r-md:8px;
  --sh-sm:0 1px 2px rgba(20,22,27,.04);
  --sh-lg:0 8px 32px rgba(20,22,27,.18);
  --t:200ms cubic-bezier(.2,.6,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;

  --bs-body-bg:#F5F3EE;
  --bs-body-color:#1D1F24;
  --bs-body-font-family:var(--sans);
  --bs-border-color:#E3E0D8;
  --bs-border-radius:8px;
  --bs-link-color:#14161B;
  --bs-link-hover-color:#E4572E;
  --bs-primary:#E4572E;
  --bs-font-sans-serif:var(--sans);
  --bs-accordion-active-bg:#FFFFFF;
  --bs-accordion-active-color:#E4572E;
  --bs-accordion-btn-color:#14161B;
  --bs-accordion-border-color:#E3E0D8;
  --bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(228,87,46,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--orange)}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);letter-spacing:-.015em;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.container{width:100%;padding-right:24px;padding-left:24px;margin-right:auto;margin-left:auto}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  padding:12px 0;
  background:var(--paper);
  transition:padding var(--t),box-shadow var(--t);
}
.site-header.scrolled{padding:8px 0;box-shadow:0 1px 0 var(--line),0 8px 24px rgba(20,22,27,.06)}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:18px;
  min-height:76px;
  padding:12px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  background:var(--ink);color:#fff;
  border-radius:6px;
  font-family:var(--serif);font-size:19px;font-weight:700;
}
.brand-text{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-cards{display:flex;flex:1;justify-content:center;gap:8px}
.nav-card{
  display:flex;align-items:center;gap:7px;
  height:48px;padding:0 15px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:14px;color:var(--ink);white-space:nowrap;
  transition:border-color var(--t),color var(--t),transform var(--t),background var(--t);
}
.nav-card i{font-size:14px;color:var(--celadon);transition:color var(--t)}
.nav-card:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px)}
.nav-card:hover i{color:var(--orange)}
.nav-card.active{background:var(--ink);border-color:var(--ink);color:#fff}
.nav-card.active i{color:#fff}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--ink);cursor:pointer;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- buttons ---------- */
.btn{
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  padding:11px 22px;
  line-height:1.4;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px;box-shadow:none}
.btn-ink{background:var(--ink);border:1px solid var(--ink);color:#fff}
.btn-ink:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-signal{background:var(--orange);border:1px solid var(--orange);color:#fff}
.btn-signal:hover{background:var(--orange-deep);border-color:var(--orange-deep);color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-2px)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 60px;
  min-height:300px;
  background-image:linear-gradient(105deg,rgba(20,22,27,.88) 0%,rgba(20,22,27,.68) 52%,rgba(20,22,27,.52) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,44px);
  line-height:1.2;
  max-width:760px;
  margin:14px 0 16px;
}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .current{color:#fff}
.hero-sub{max-width:640px;font-size:17px;color:rgba(255,255,255,.86);margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts li{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-sm);
  min-width:170px;
}
.hero-facts span{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.66)}
.hero-facts strong{font-size:15px;color:#fff;font-weight:600}

/* ---------- anchor bar ---------- */
.anchor-wrap{position:sticky;top:92px;z-index:50;padding:18px 0 0}
.anchor-bar{
  display:flex;gap:10px;flex-wrap:wrap;
  padding:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
}
.anchor-card{
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:14px;color:var(--ink);
  background:#fff;
  white-space:nowrap;
  transition:border-color var(--t),color var(--t),background var(--t),transform var(--t);
}
.anchor-card i{font-size:13px;color:var(--celadon);transition:color var(--t)}
.anchor-card:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px)}
.anchor-card:hover i{color:var(--orange)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:14px}
.section-head .eyebrow{
  display:inline-block;
  margin-bottom:12px;
  font-size:12px;letter-spacing:.14em;
  color:var(--celadon);font-weight:600;
}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.badge-soft{
  display:inline-block;
  padding:4px 10px;
  border-radius:var(--r-xs);
  background:rgba(46,110,94,.1);
  color:var(--celadon);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-signal{
  display:inline-block;
  padding:4px 10px;
  border-radius:var(--r-xs);
  background:rgba(228,87,46,.12);
  color:var(--orange-deep);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}

/* ---------- lead card ---------- */
.lead-card{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.lead-card:hover{border-color:rgba(228,87,46,.5);box-shadow:0 6px 24px rgba(20,22,27,.08)}
.lead-media{position:relative;min-height:340px;overflow:hidden}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.6,.3,1)}
.lead-card:hover .lead-media img{transform:scale(1.03)}
.lead-body{padding:40px 40px 36px}
.lead-body h2{font-size:clamp(22px,2.3vw,28px);line-height:1.35;margin:14px 0 16px}
.lead-body p{color:var(--muted);font-size:15.5px}
.tick-list{margin:20px 0 26px;display:grid;gap:12px}
.tick-list li{display:flex;gap:10px;font-size:15px;color:var(--text)}
.tick-list li::before{
  content:"";
  flex:0 0 16px;width:16px;height:16px;margin-top:5px;
  border-radius:50%;
  background:rgba(46,110,94,.14);
  box-shadow:inset 0 0 0 1px rgba(46,110,94,.5);
}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.step-card{
  position:relative;
  display:flex;gap:20px;
  padding:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.step-card:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 6px 24px rgba(20,22,27,.08)}
.step-num{
  flex:0 0 52px;
  font-family:var(--serif);
  font-size:28px;font-weight:700;
  color:var(--orange);
  line-height:1;
  letter-spacing:-.02em;
}
.step-card h3{font-size:19px;margin-bottom:8px}
.step-card p{color:var(--muted);font-size:15px;margin:0}

/* ---------- zigzag ---------- */
.zigzag-row{
  display:grid;
  grid-template-columns:0.95fr 1.05fr;
  gap:48px;
  align-items:center;
  padding:36px 0;
  border-top:1px solid var(--line);
}
.zigzag-row:first-of-type{border-top:0;padding-top:0}
.zigzag-row.reverse .zigzag-media{order:2}
.zigzag-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
}
.zigzag-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.6,.3,1)}
.zigzag-media:hover img{transform:scale(1.03)}
.zigzag-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:6px 12px;
  background:rgba(20,22,27,.82);
  color:#fff;font-size:12px;letter-spacing:.06em;
  border-radius:var(--r-xs);
}
.zigzag-body h3{font-size:22px;margin:12px 0 12px}
.zigzag-body p{color:var(--muted);font-size:15.5px}
.mini-list{display:grid;gap:10px;margin-top:18px}
.mini-list li{
  display:flex;gap:10px;
  font-size:15px;color:var(--text);
  padding-left:2px;
}
.mini-list li i{color:var(--celadon);font-size:14px;margin-top:5px}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding:30px;
  background:var(--ink);
  border-radius:var(--r-md);
  box-shadow:var(--sh-lg);
}
.data-cell{color:#fff}
.data-cell .num{font-family:var(--serif);font-size:30px;font-weight:700;line-height:1.1;color:#fff;display:block;letter-spacing:-.02em}
.data-cell .label{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- issue list ---------- */
.issue-list{display:grid;gap:14px}
.issue-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--celadon);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-sm);
  transition:border-left-color var(--t),transform var(--t);
}
.issue-item:hover{border-left-color:var(--orange);transform:translateX(2px)}
.issue-item .idx{
  font-family:var(--serif);font-size:16px;font-weight:700;color:var(--muted);
}
.issue-item h3{font-size:18px;margin-bottom:6px}
.issue-item p{color:var(--muted);font-size:15px;margin:0}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;
  border:1px solid var(--line)!important;
  border-radius:var(--r-md)!important;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:#fff;
  padding:20px 24px;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--orange);background:#fff}
.accordion-button::after{
  content:"";
  width:10px;height:10px;
  background-image:none!important;
  border-right:2px solid var(--celadon);
  border-bottom:2px solid var(--celadon);
  transform:rotate(45deg);
  transition:transform var(--t),border-color var(--t);
  margin-left:auto;
}
.accordion-button:not(.collapsed)::after{
  border-color:var(--orange);
  transform:rotate(-135deg);
}
.accordion-body{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- dark CTA + form ---------- */
.dark-cta{
  background:var(--ink);
  border-radius:var(--r-md);
  padding:52px;
  box-shadow:var(--sh-lg);
  color:#fff;
}
.dark-cta h2{color:#fff;font-size:clamp(23px,2.4vw,30px);margin-bottom:14px}
.dark-cta .lead-text{color:rgba(255,255,255,.74);max-width:620px;font-size:15.5px}
.dark-cta .form-label{color:rgba(255,255,255,.82);font-size:14px;font-weight:600;margin-bottom:6px}
.form-control,.form-select{
  height:48px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--ink);
  font-size:15px;
  box-shadow:none;
  transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:118px;padding:12px 14px;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(228,87,46,.16);
}
.form-control::placeholder{color:#A9ABB0}
.form-check-input{width:18px;height:18px;margin-top:3px;border-color:#B9B6AE}
.form-check-input:checked{background-color:var(--celadon);border-color:var(--celadon)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(228,87,46,.16);border-color:var(--orange)}
.form-check-label{font-size:13.5px;color:rgba(255,255,255,.7)}
.form-note{font-size:13px;color:rgba(255,255,255,.55);margin:14px 0 0}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border:1px solid rgba(46,110,94,.4);
  background:rgba(46,110,94,.18);
  border-radius:var(--r-sm);
  font-size:14px;
  color:#fff;
}
.form-alert.show{display:block}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  padding:64px 0 26px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff;color:var(--ink)}
.footer-brand .brand-text{color:#fff;font-family:var(--serif);font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0}
.footer-title{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--serif)}
.footer-links{display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:grid;gap:12px;font-size:14px;color:rgba(255,255,255,.68)}
.footer-contact i{width:18px;color:var(--orange);margin-right:6px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.6,.3,1),transform 520ms cubic-bezier(.2,.6,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-card{padding:0 12px;font-size:13.5px}
  .lead-body{padding:32px}
  .dark-cta{padding:40px}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cards{
    position:absolute;
    top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;
    gap:10px;
    padding:14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-lg);
    display:none;
  }
  .nav-cards.open{display:flex}
  .nav-card{height:52px;justify-content:flex-start;font-size:15px}
  .nav-cta{display:none}
  .anchor-wrap{position:static;padding-top:16px}
  .anchor-bar{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin}
  .section{padding:64px 0}
  .lead-card{grid-template-columns:1fr}
  .lead-media{min-height:260px;aspect-ratio:16/9}
  .step-grid{grid-template-columns:1fr}
  .zigzag-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .zigzag-row.reverse .zigzag-media{order:0}
  .data-strip{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .container{padding-left:18px;padding-right:18px}
  .brand-text{font-size:15px}
  .page-hero{padding:44px 0 42px;min-height:260px}
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-facts li{min-width:calc(50% - 6px);flex:1 1 calc(50% - 6px);padding:10px 14px}
  .section{padding:48px 0}
  .lead-body{padding:24px 20px}
  .step-card{padding:20px;gap:14px}
  .step-num{flex-basis:40px;font-size:23px}
  .dark-cta{padding:26px 20px;border-radius:var(--r-sm)}
  .data-strip{grid-template-columns:1fr 1fr;padding:22px}
  .data-cell .num{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .accordion-button{font-size:15.5px;padding:16px 18px}
  .accordion-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}