/* roulang page: index */
:root{
  --brand:#123B2E;
  --brand-2:#1F5A45;
  --brand-soft:#E6EFE8;
  --accent:#E4572E;
  --ink:#12181A;
  --ink-2:#2A3436;
  --muted:#6B7674;
  --line:#DCE1DA;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --surface-2:#EDEFEA;
  --dark:#0E1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.04), 0 8px 24px -12px rgba(18,24,26,.12);
  --sh-2:0 24px 60px -28px rgba(18,59,46,.28);
  --font-num:'Barlow Condensed','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;color:var(--ink);text-wrap:balance;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:60;padding:16px 20px;display:flex;justify-content:center;pointer-events:none;}
.dock{
  pointer-events:auto;width:100%;max-width:1120px;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-full);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  transition:padding .3s ease,background .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{padding:6px 10px 6px 18px;background:rgba(255,255,255,.97);}
.dock-brand{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0;}
.dock-brand-main{font-size:1.0625rem;font-weight:800;letter-spacing:-.02em;color:var(--brand);}
.dock-brand-sub{font-size:.6875rem;letter-spacing:.24em;color:var(--muted);}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-link{position:relative;padding:8px 14px;font-size:.9375rem;color:var(--ink-2);border-radius:var(--r-full);transition:color .2s ease,background .2s ease;}
.dock-link:hover{color:var(--brand);background:var(--brand-soft);}
.dock-link.is-active{color:var(--brand);font-weight:600;}
.dock-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.dock-search{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-full);font-size:.875rem;color:var(--muted);border:1px solid transparent;transition:color .2s ease,border-color .2s ease,background .2s ease;}
.dock-search:hover{color:var(--brand);border-color:var(--line);background:var(--surface);}
.dock-burger{
  display:none;align-items:center;justify-content:center;gap:6px;
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-full);
  background:var(--brand);color:#fff;border:1px solid var(--brand);cursor:pointer;
  transition:background .2s ease;
}
.dock-burger:hover{background:var(--brand-2);}
@media (max-width:1023px){
  .dock{padding:8px 8px 8px 18px;gap:10px;}
  .dock-links,.dock-actions{display:none;}
  .dock-burger{display:inline-flex;}
}
.drawer{
  position:fixed;inset:0;z-index:70;background:var(--brand);color:#F2F7F3;
  padding:26px 24px 32px;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .4s cubic-bezier(.2,.7,.2,1),opacity .3s ease,visibility .3s;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:36px;}
.drawer-brand{display:flex;flex-direction:column;line-height:1.05;}
.drawer-brand-main{font-size:1.125rem;font-weight:800;letter-spacing:-.02em;}
.drawer-brand-sub{font-size:.6875rem;letter-spacing:.24em;color:rgba(242,247,243,.7);}
.drawer-close{width:44px;height:44px;border-radius:var(--r-full);border:1px solid rgba(242,247,243,.32);background:transparent;color:#F2F7F3;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease;}
.drawer-close:hover{background:rgba(242,247,243,.12);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:16px 4px;font-size:1.375rem;font-weight:700;border-bottom:1px solid rgba(242,247,243,.14);color:#F2F7F3;transition:color .2s ease,padding-left .2s ease;}
.drawer-nav a:hover{color:#fff;padding-left:10px;}
.drawer-nav a.is-active{color:#fff;}
.drawer-nav a.is-active::after{content:"当前";margin-left:10px;font-size:.75rem;font-weight:500;color:var(--accent);letter-spacing:.1em;}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(242,247,243,.14);font-size:.8125rem;color:rgba(242,247,243,.66);display:flex;flex-direction:column;gap:14px;}

/* ============ 通用组件 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-full);padding:12px 26px;font-size:.9375rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-lg{padding:15px 32px;font-size:1rem;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);position:relative;padding:6px 0;font-size:.9375rem;}
.btn-text svg{transition:transform .22s ease;flex-shrink:0;}
.btn-text:hover svg{transform:translateX(4px);}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-full);padding:5px 14px;font-size:.75rem;font-weight:600;background:var(--brand-soft);color:var(--brand);letter-spacing:.02em;}
.badge-dark{background:rgba(242,247,243,.14);color:#F2F7F3;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--brand-2);text-transform:uppercase;}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--brand-2);}
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-title{font-size:clamp(1.5rem,2.6vw,2.25rem);font-weight:700;line-height:1.2;margin-top:12px;}
.section-sub{margin-top:12px;font-size:.9375rem;color:var(--muted);max-width:72ch;}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ Hero ============ */
.hero{padding:150px 0 64px;position:relative;overflow:hidden;}
@media (min-width:1024px){.hero{padding:168px 0 88px;}}
.hero-grid{display:grid;gap:40px;grid-template-columns:1fr;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center;}}
.hero-title{font-size:clamp(2.25rem,5.2vw,4rem);font-weight:800;line-height:1.05;letter-spacing:-.02em;margin-top:20px;color:var(--ink);}
.hero-sub{margin-top:18px;font-size:clamp(1rem,1.4vw,1.125rem);font-weight:600;color:var(--brand-2);}
.hero-lead{margin-top:16px;font-size:.9375rem;color:var(--muted);max-width:54ch;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.hero-notes{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px 28px;font-size:.8125rem;color:var(--muted);}
.hero-notes span{display:inline-flex;align-items:center;gap:8px;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--surface-2);}
.hero-visual img{width:100%;height:100%;min-height:320px;aspect-ratio:4/3;object-fit:cover;position:relative;z-index:0;}
.hero-visual::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(18,59,46,.38),rgba(18,59,46,.1));}
.hero-badge{position:absolute;left:20px;bottom:20px;right:20px;z-index:2;background:rgba(255,255,255,.95);border-radius:var(--r-md);padding:14px 18px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh-1);}
.hero-badge-num{font-family:var(--font-num);font-size:1.75rem;font-weight:600;color:var(--brand);line-height:1;}
.hero-badge-text{font-size:.8125rem;color:var(--ink-2);line-height:1.5;}
.hero-badge-text strong{display:block;font-size:.875rem;font-weight:700;color:var(--ink);}

/* ============ 指标看板 ============ */
.stats{padding:56px 0;}
@media (min-width:1024px){.stats{padding:72px 0;}}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 20px;}
@media (min-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 28px;}}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:32px;}}
.stat{padding-bottom:20px;border-bottom:1px solid var(--line);}
.stat-num{display:flex;align-items:baseline;gap:4px;font-family:var(--font-num);font-size:clamp(2rem,4vw,3.25rem);font-weight:600;line-height:1;color:var(--brand);letter-spacing:-.01em;}
.stat-unit{font-family:'Noto Sans SC',sans-serif;font-size:.875rem;font-weight:600;color:var(--muted);}
.stat-label{margin-top:12px;font-size:.9375rem;font-weight:600;color:var(--ink);}
.stat-desc{margin-top:4px;font-size:.8125rem;color:var(--muted);}

/* ============ 服务矩阵 ============ */
.matrix{display:grid;gap:24px;}
@media (min-width:1024px){.matrix{grid-template-columns:5fr 7fr;gap:32px;align-items:start;}}
.matrix-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.matrix-media{overflow:hidden;background:var(--surface-2);}
.matrix-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.matrix-card:hover .matrix-media img{transform:scale(1.03);}
.matrix-body{padding:24px 26px 28px;}
.matrix-title{margin-top:14px;font-size:1.25rem;font-weight:700;color:var(--ink);}
.matrix-desc{margin-top:10px;font-size:.9375rem;color:var(--muted);}
.matrix-more{margin-top:18px;}
.row-list{border-top:1px solid var(--line);}
.row{display:flex;align-items:center;gap:18px;min-height:76px;padding:16px 14px;border-bottom:1px solid var(--line);transition:background .22s ease;}
.row:hover{background:var(--brand-soft);}
.row-num{font-family:var(--font-num);font-size:1.0625rem;font-weight:600;color:var(--muted);min-width:30px;flex-shrink:0;}
.row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.row-title{font-size:1.0625rem;font-weight:600;color:var(--ink);line-height:1.4;}
.row-desc{font-size:.8125rem;color:var(--muted);line-height:1.5;}
.row-arrow{flex-shrink:0;color:var(--muted);transition:transform .22s ease,color .22s ease;}
.row:hover .row-arrow{transform:translateX(4px);color:var(--brand);}

/* ============ 结果对比 ============ */
.compare{display:grid;gap:20px;}
@media (min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:28px;}}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px;box-shadow:var(--sh-1);}
.compare-col.after-col{border-color:#C9DAD0;}
.compare-head{margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.compare-head h3{font-size:1.0625rem;font-weight:700;color:var(--ink);}
.compare-head p{margin-top:6px;font-size:.8125rem;color:var(--muted);}
.cmp-row{margin-bottom:22px;}
.cmp-row:last-child{margin-bottom:0;}
.cmp-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:.875rem;color:var(--ink-2);}
.cmp-val{font-family:var(--font-num);font-size:1.125rem;font-weight:600;color:var(--muted);}
.after-col .cmp-val{color:var(--brand);}
.cmp-bar{margin-top:10px;height:8px;border-radius:var(--r-full);background:var(--surface-2);overflow:hidden;}
.cmp-fill{height:100%;border-radius:var(--r-full);background:var(--line);}
.cmp-fill.after{background:var(--brand);}

/* ============ 服务流程 ============ */
.steps{position:relative;padding-left:32px;}
.steps::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;background:var(--line);}
.step{position:relative;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:-28px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--brand);border:2px solid var(--bg);}
.step-idx{font-family:var(--font-num);font-size:.875rem;font-weight:600;color:var(--muted);letter-spacing:.08em;}
.step-title{margin-top:4px;font-size:1.0625rem;font-weight:700;color:var(--ink);}
.step-desc{margin-top:6px;font-size:.875rem;color:var(--muted);max-width:62ch;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;gap:26px;}
@media (min-width:1024px){.news-grid{grid-template-columns:7fr 5fr;gap:32px;align-items:start;}}
.news-feature{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease;}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-feature-media{overflow:hidden;background:var(--surface-2);}
.news-feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:14px;flex:1;}
.news-feature-title{font-size:1.3125rem;font-weight:700;line-height:1.4;color:var(--ink);}
.news-feature:hover .news-feature-title{color:var(--brand);}
.news-feature-desc{font-size:.9375rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.8125rem;color:var(--muted);}
.news-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);}
.news-empty{display:flex;align-items:center;gap:12px;padding:32px 26px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);color:var(--muted);font-size:.9375rem;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq{border-bottom:1px solid var(--line);transition:background .25s ease;}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:22px;padding:22px 8px;font-size:1.0625rem;font-weight:600;color:var(--ink);transition:color .2s ease;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::marker{content:"";}
.faq summary:hover{color:var(--brand);}
.faq-icon{flex-shrink:0;margin-top:3px;color:var(--muted);transition:transform .28s ease,color .28s ease;}
.faq[open]{background:var(--brand-soft);}
.faq[open] summary{color:var(--brand);}
.faq[open] .faq-icon{transform:rotate(45deg);color:var(--accent);}
.faq-body{padding:0 8px 24px;font-size:.9375rem;line-height:1.75;color:var(--ink-2);max-width:72ch;}

/* ============ CTA / 表单 ============ */
.cta-panel{background:var(--dark);color:#F2F7F3;border-radius:var(--r-lg);padding:40px 24px;overflow:hidden;}
@media (min-width:1024px){.cta-panel{padding:56px;}}
.cta-grid{display:grid;gap:36px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:start;}}
.cta-panel h2{color:#F2F7F3;}
.cta-lead{margin-top:18px;font-size:.9375rem;color:rgba(242,247,243,.72);max-width:52ch;}
.trust-list{margin-top:32px;}
.trust-item{display:flex;gap:14px;padding:18px 0;border-top:1px solid rgba(242,247,243,.16);}
.trust-item:last-child{border-bottom:1px solid rgba(242,247,243,.16);}
.trust-icon{flex-shrink:0;color:#8FC7A9;margin-top:2px;}
.trust-title{font-size:.9375rem;font-weight:600;color:#F2F7F3;}
.trust-desc{margin-top:4px;font-size:.8125rem;color:rgba(242,247,243,.66);}
.form-card{background:var(--surface);color:var(--ink);border-radius:var(--r-lg);padding:32px;box-shadow:0 24px 60px -28px rgba(0,0,0,.55);}
.form-title{font-size:1.125rem;font-weight:700;color:var(--ink);}
.form-note{margin-top:6px;font-size:.8125rem;color:var(--muted);}
.field{margin-top:22px;}
.field label{display:block;font-size:.8125rem;font-weight:600;color:var(--muted);margin-bottom:4px;letter-spacing:.02em;}
.field input,.field select,.field textarea{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:8px 2px;font-size:.9375rem;color:var(--ink);outline:none;border-radius:0;transition:border-color .22s ease,box-shadow .22s ease;}
.field input::placeholder,.field textarea::placeholder{color:#9AA3A1;}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--accent);box-shadow:0 1px 0 0 var(--accent);}
.field textarea{resize:vertical;min-height:88px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.chip{position:relative;}
.chip input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}
.chip span{display:inline-block;padding:7px 16px;border-radius:var(--r-full);border:1px solid var(--line);font-size:.8125rem;color:var(--ink-2);cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;}
.chip input:checked + span{background:var(--brand);border-color:var(--brand);color:#fff;}
.chip input:focus-visible + span{outline:2px solid var(--accent);outline-offset:2px;}
.form-actions{margin-top:30px;}
.privacy{margin-top:14px;font-size:.75rem;color:var(--muted);line-height:1.6;}
.form-feedback{margin-top:14px;font-size:.8125rem;color:var(--brand);display:none;}
.form-feedback.is-on{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#F2F7F3;padding:64px 0 26px;margin-top:8px;}
.footer-top{display:grid;gap:40px;}
@media (min-width:1024px){.footer-top{grid-template-columns:4fr 8fr;gap:56px;}}
.footer-brand-main{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;color:#F2F7F3;}
.footer-brand-sub{display:block;font-size:.6875rem;letter-spacing:.24em;color:rgba(242,247,243,.6);margin-top:2px;}
.footer-desc{margin-top:16px;font-size:.875rem;color:rgba(242,247,243,.66);max-width:40ch;}
.footer-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.footer-tags a{display:inline-flex;padding:6px 14px;border-radius:var(--r-full);font-size:.75rem;color:#D6E7DC;background:rgba(242,247,243,.1);transition:background .2s ease,color .2s ease;}
.footer-tags a:hover{background:rgba(242,247,243,.2);color:#fff;}
.footer-cols{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-cols{grid-template-columns:repeat(3,1fr);}}
.footer-col h4{font-size:.8125rem;font-weight:700;letter-spacing:.14em;color:rgba(242,247,243,.55);text-transform:uppercase;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:.875rem;color:rgba(242,247,243,.78);transition:color .2s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(242,247,243,.16);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-size:.8125rem;color:rgba(242,247,243,.6);}

@media (max-width:767px){
  .hero{padding-top:128px;}
  .section-head{margin-bottom:32px;}
  .compare-col{padding:24px 20px;}
  .form-card{padding:24px 20px;}
  .cta-panel{padding:32px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#123B2E;
  --brand-2:#1F5A45;
  --brand-soft:#E6EFE8;
  --accent:#E4572E;
  --ink:#12181A;
  --ink-2:#2A3436;
  --muted:#6B7674;
  --line:#DCE1DA;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --surface-2:#EDEFEA;
  --dark:#0E1F1A;
  --dark-text:#F2F7F3;
  --dark-muted:rgba(242,247,243,.66);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.04), 0 8px 24px -12px rgba(18,24,26,.12);
  --sh-2:0 24px 60px -28px rgba(18,59,46,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-family:"Barlow Condensed","Noto Sans SC",system-ui,sans-serif;font-weight:600;letter-spacing:.01em;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1120px;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 20px;
  border-radius:var(--r-full);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  transition:padding .28s cubic-bezier(.2,.7,.2,1), background .28s ease, box-shadow .28s ease;
}
.dock.is-scrolled{padding:6px 12px 6px 18px;background:rgba(255,255,255,.97);}
.dock-brand{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0;}
.dock-brand-main{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--brand);}
.dock-brand-sub{font-size:.6875rem;letter-spacing:.22em;color:var(--muted);}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.dock-link{
  position:relative;
  padding:8px 12px;border-radius:var(--r-full);
  font-size:.9375rem;color:var(--ink-2);
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.dock-link:hover{color:var(--brand);background:var(--brand-soft);}
.dock-link.is-active{color:var(--brand);font-weight:600;}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-search{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--r-full);
  border:1px solid var(--line);background:transparent;
  font-size:.8125rem;color:var(--muted);
  transition:border-color .2s ease,color .2s ease;
}
.dock-search:hover{border-color:var(--brand);color:var(--brand);}
.dock-burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:var(--r-full);color:var(--brand);border:1px solid var(--line);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-full);
  font-size:.9375rem;font-weight:600;line-height:1;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -16px rgba(18,59,46,.85);}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--brand-soft);transform:translateY(-1px);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.9375rem;font-weight:600;color:var(--brand);
}
.link-more svg{transition:transform .24s cubic-bezier(.2,.7,.2,1);}
.link-more:hover svg{transform:translateX(4px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-full);
  background:var(--brand-soft);color:var(--brand);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-light{background:rgba(255,255,255,.14);color:var(--dark-text);}

/* ---------- 文章头部 ---------- */
.article-head{padding:140px 0 0;}
.breadcrumb{font-size:.8125rem;color:var(--muted);margin-bottom:26px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--muted);max-width:42ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-inner{max-width:820px;}
.head-badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px;}
.head-date{font-size:.8125rem;color:var(--muted);}
.article-head h1{
  font-size:clamp(1.75rem,3.4vw,2.75rem);
  font-weight:800;line-height:1.3;letter-spacing:-.015em;
  color:var(--ink);text-wrap:balance;max-width:22ch;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--muted);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.post-cover{margin:32px 0 0;border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);box-shadow:var(--sh-1);}
.post-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- 正文阅读区 ---------- */
.article-main{padding:48px 0 0;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:1.0625rem;line-height:1.9;color:var(--ink-2);
}
.article-body p{margin:0 0 1.25em;max-width:72ch;}
.article-body h1,.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.75rem);
  font-weight:700;line-height:1.35;color:var(--ink);
  margin:2.4em 0 .8em;max-width:72ch;
}
.article-body h3{
  font-size:1.125rem;font-weight:600;color:var(--ink);
  margin:2em 0 .6em;
}
.article-body h2:first-child,.article-body h3:first-child,.article-body p:first-child{margin-top:0;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:9px;height:2px;background:var(--brand-2);border-radius:2px;
}
.article-body ol{counter-reset:olist;}
.article-body ol li{counter-increment:olist;}
.article-body ol li::before{
  content:counter(olist) ".";position:absolute;left:0;top:0;
  font-family:"Barlow Condensed",system-ui,sans-serif;font-weight:600;
  color:var(--brand);font-size:.9375rem;
}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;width:100%;}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(31,90,69,.35);transition:border-color .2s ease,color .2s ease;}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;}
.article-body th{color:var(--ink);font-weight:600;background:var(--surface-2);}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:var(--r-sm);font-size:.875em;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:22px;max-width:46ch;margin-left:auto;margin-right:auto;}

/* ---------- 文末 ---------- */
.post-foot{
  max-width:760px;margin:48px auto 0;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-list a{
  display:inline-flex;padding:5px 12px;border-radius:var(--r-full);
  background:var(--brand-soft);color:var(--brand);font-size:.75rem;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.tag-list a:hover{background:var(--brand);color:#fff;}

/* ---------- 延伸阅读 ---------- */
.related{padding:72px 0 0;}
.section-head{max-width:640px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.eyebrow::before{content:"·";color:var(--accent);font-size:1.25rem;line-height:0;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.25;
  color:var(--ink);letter-spacing:-.01em;
}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:#c9d2c6;}
.card-media{overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:1.0625rem;font-weight:600;color:var(--ink);line-height:1.5;}
.card-body p{font-size:.9375rem;color:var(--muted);line-height:1.7;}
.card-body .link-more{margin-top:auto;}

/* ---------- 收尾 CTA ---------- */
.cta-band{padding:72px 0 88px;}
.cta-inner{
  background:var(--dark);color:var(--dark-text);
  border-radius:var(--r-lg);
  padding:32px 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-inner h2{font-size:clamp(1.25rem,2.2vw,1.625rem);font-weight:700;line-height:1.35;color:#fff;max-width:26ch;}
.cta-inner p{margin-top:8px;font-size:.9375rem;color:var(--dark-muted);max-width:44ch;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:72px 0 28px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:1024px){.footer-top{grid-template-columns:1.05fr 1.95fr;gap:64px;}}
.footer-brand-main{display:block;font-size:1.25rem;font-weight:800;letter-spacing:-.01em;color:#fff;}
.footer-brand-sub{display:block;font-size:.6875rem;letter-spacing:.26em;color:var(--dark-muted);margin-top:6px;}
.footer-desc{margin-top:16px;font-size:.9375rem;line-height:1.75;color:var(--dark-muted);max-width:38ch;}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.footer-tags a{
  padding:6px 14px;border-radius:var(--r-full);
  border:1px solid rgba(242,247,243,.2);
  font-size:.8125rem;color:var(--dark-text);
  transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.footer-tags a:hover{background:#fff;color:var(--brand);border-color:#fff;}
.footer-cols{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-cols{grid-template-columns:repeat(3,1fr);}}
.footer-col h4{font-size:.875rem;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:.875rem;color:var(--dark-muted);line-height:1.7;}
.footer-col a{transition:color .22s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(242,247,243,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--dark-muted);
}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;inset:0;z-index:100;
  background:var(--brand);color:#fff;
  display:flex;flex-direction:column;
  padding:24px 24px 36px;
  transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .34s cubic-bezier(.2,.7,.2,1),opacity .28s ease,visibility .28s;
}
.drawer.is-open{transform:translateX(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-brand{font-size:1.0625rem;font-weight:800;}
.drawer-close{width:42px;height:42px;border-radius:var(--r-full);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:1.25rem;line-height:1;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin:48px 0 auto;}
.drawer-links a{font-size:1.5rem;font-weight:700;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);}
.drawer-links a:active{color:var(--brand-soft);}
.drawer .btn-light{margin-top:28px;width:100%;padding:15px 22px;}
.drawer-foot{margin-top:16px;font-size:.8125rem;color:rgba(242,247,243,.62);letter-spacing:.04em;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock-links{display:none;}
  .dock-search span{display:none;}
  .dock-search{padding:9px 10px;}
}
@media (max-width:767px){
  .dock{padding:8px 10px 8px 16px;gap:10px;}
  .dock-actions .btn{display:none;}
  .dock-burger{display:inline-flex;}
  .article-head{padding-top:118px;}
  .article-main{padding-top:36px;}
  .article-body{font-size:1rem;line-height:1.85;}
  .post-cover img{aspect-ratio:16/10;}
  .cta-band{padding:56px 0 72px;}
  .cta-inner{padding:26px 22px;}
  .site-footer{padding-top:56px;}
  .post-foot{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#123B2E;
  --brand-2:#1F5A45;
  --brand-soft:#E6EFE8;
  --accent:#E4572E;
  --ink:#12181A;
  --ink-2:#2A3436;
  --muted:#6B7674;
  --line:#DCE1DA;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --surface-2:#EDEFEA;
  --dark:#0E1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.04), 0 8px 24px -12px rgba(18,24,26,.12);
  --sh-2:0 24px 60px -28px rgba(18,59,46,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

body .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){body .container{padding-left:32px;padding-right:32px;}}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:14px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;width:100%;max-width:1120px;
  display:flex;align-items:center;gap:20px;
  padding:10px 16px;border-radius:var(--r-full);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  transition:padding .3s var(--ease),background-color .3s var(--ease);
}
.dock.is-scrolled{padding:6px 16px;background:rgba(255,255,255,.97);}
.dock-brand{display:flex;flex-direction:column;text-decoration:none;color:var(--brand);line-height:1;flex:0 0 auto;}
.dock-brand-main{font-weight:800;font-size:1.0625rem;letter-spacing:-.02em;}
.dock-brand-sub{font-size:.625rem;letter-spacing:.24em;color:var(--muted);margin-top:4px;}
.dock-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.dock-link{
  position:relative;padding:8px 12px;font-size:.875rem;color:var(--ink-2);
  text-decoration:none;border-radius:var(--r-full);transition:color .24s var(--ease);
}
.dock-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.dock-link:hover{color:var(--brand);}
.dock-link:hover::after{transform:scaleX(1);}
.dock-link.is-active{color:var(--brand);font-weight:600;}
.dock-link.is-active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.dock-search{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:var(--r-full);
  border:1px solid var(--line);color:var(--muted);font-size:.8125rem;text-decoration:none;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.dock-search:hover{border-color:var(--brand);color:var(--brand);}
.dock-burger{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:var(--r-full);border:1px solid var(--line);background:var(--surface);
  color:var(--brand);cursor:pointer;transition:border-color .24s var(--ease);
}
.dock-burger:hover{border-color:var(--brand);}
@media (max-width:1023px){
  .dock-links,.dock-actions{display:none;}
  .dock-burger{display:inline-flex;margin-left:auto;}
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--brand);color:#F2F7F3;
  display:flex;flex-direction:column;gap:8px;padding:88px 24px 32px;
  transform:translateX(102%);transition:transform .34s var(--ease);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{font-size:.75rem;letter-spacing:.18em;color:rgba(242,247,243,.6);margin-bottom:8px;}
.drawer a.drawer-link{
  display:block;padding:16px 0;font-size:1.375rem;font-weight:600;color:#F2F7F3;
  text-decoration:none;border-bottom:1px solid rgba(242,247,243,.18);transition:color .24s var(--ease);
}
.drawer a.drawer-link:hover{color:#fff;}
.drawer .drawer-cta{
  margin-top:24px;display:inline-flex;align-items:center;justify-content:center;
  padding:14px 24px;border-radius:var(--r-full);background:#F2F7F3;color:var(--brand);
  font-weight:700;text-decoration:none;transition:background-color .24s var(--ease);
}
.drawer .drawer-cta:hover{background:#fff;}
@media (min-width:1024px){.drawer{display:none;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-full);font-size:.9375rem;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;
  color:var(--brand);text-decoration:none;padding:6px 0;
}
.btn-text svg{transition:transform .24s var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-full);
  background:var(--brand-soft);color:var(--brand);font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"·";margin-right:8px;color:var(--accent);}

/* ---------- 通用版块 ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:var(--surface-2);}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2.25rem);font-weight:700;line-height:1.25;
  text-wrap:balance;letter-spacing:-.01em;
}
.section-lead{max-width:62ch;color:var(--muted);font-size:1rem;margin-top:16px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:112px 0 0;}
.crumb{font-size:.8125rem;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{text-decoration:none;color:var(--muted);transition:color .24s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero{padding:36px 0 64px;}
@media (min-width:1024px){.hero{padding:44px 0 96px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:900px){.hero-grid{grid-template-columns:1.22fr .95fr;gap:56px;}}
.hero-title{
  font-size:clamp(2.25rem,5.2vw,4.25rem);font-weight:800;line-height:1.05;
  letter-spacing:-.02em;color:var(--ink);text-wrap:balance;
}
.hero-title-span{
  display:block;margin-top:16px;font-size:clamp(.9375rem,1.6vw,1.25rem);
  font-weight:500;line-height:1.6;color:var(--muted);letter-spacing:0;
}
.hero-lead{margin-top:22px;font-size:1.0625rem;color:var(--ink-2);max-width:56ch;}
.hero-points{margin-top:26px;display:grid;gap:12px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--ink-2);}
.hero-points svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);
  aspect-ratio:4/3;box-shadow:var(--sh-1);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,59,46,.05) 40%,rgba(18,59,46,.38) 100%);
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:flex;align-items:baseline;gap:10px;padding:12px 18px;border-radius:var(--r-full);
  background:rgba(255,255,255,.94);box-shadow:var(--sh-2);
}
.hero-badge strong{font-family:"Barlow Condensed",system-ui,sans-serif;font-size:1.5rem;font-weight:600;color:var(--brand);line-height:1;}
.hero-badge span{font-size:.75rem;color:var(--muted);}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media (min-width:1024px){.metrics{grid-template-columns:repeat(4,1fr);}}
.metric{padding:26px 20px;border-bottom:1px solid var(--line);}
.metric:nth-child(2n){border-left:1px solid var(--line);}
@media (min-width:1024px){
  .metric{border-bottom:0;padding:32px 26px;}
  .metric + .metric{border-left:1px solid var(--line);}
  .metric:nth-child(2n){border-left:1px solid var(--line);}
}
.metric-num{
  display:flex;align-items:baseline;gap:4px;
  font-family:"Barlow Condensed",system-ui,sans-serif;font-weight:600;
  font-size:clamp(2rem,4vw,3.25rem);line-height:1;color:var(--ink);letter-spacing:-.01em;
}
.metric-num small{font-family:"Noto Sans SC",sans-serif;font-size:.8125rem;font-weight:500;color:var(--muted);}
.metric-desc{margin-top:12px;font-size:.875rem;color:var(--muted);line-height:1.6;}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr;gap:64px;}}
.split + .split{margin-top:64px;}
@media (min-width:900px){
  .split + .split{margin-top:96px;}
  .split.reverse .split-media{order:2;}
}
.media-frame{
  border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);
  aspect-ratio:16/10;box-shadow:var(--sh-1);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.media-frame:hover img{transform:scale(1.03);}
.split-body h3{font-size:1.25rem;font-weight:700;line-height:1.4;margin-bottom:14px;}
.split-body p{color:var(--ink-2);font-size:.9375rem;line-height:1.85;max-width:64ch;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--ink-2);}
.check-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand);}

/* ---------- 流程清单 ---------- */
.flow{position:relative;margin-top:8px;}
.flow-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.flow-item:first-child{border-top:1px solid var(--line);}
.flow-num{
  font-family:"Barlow Condensed",system-ui,sans-serif;font-weight:600;font-size:1.75rem;
  color:var(--brand);line-height:1.1;
}
.flow-item h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px;}
.flow-item p{font-size:.9375rem;color:var(--muted);line-height:1.75;max-width:62ch;}

/* ---------- 能力栅格 ---------- */
.cap-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:600px){.cap-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cap-grid{grid-template-columns:repeat(4,1fr);}}
.cap-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:#C9D3C9;}
.cap-card .cap-icon{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:18px;
}
.cap-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px;}
.cap-card p{font-size:.875rem;color:var(--muted);line-height:1.7;}

/* ---------- 数据字段列表 ---------- */
.field-list{border-top:1px solid var(--line);}
.field-row{
  display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;
  min-height:76px;padding:16px 12px;border-bottom:1px solid var(--line);
  text-decoration:none;transition:background-color .24s var(--ease);
}
.field-row:hover{background:var(--brand-soft);}
.field-row .idx{
  font-family:"Barlow Condensed",system-ui,sans-serif;font-size:1.0625rem;color:var(--muted);
}
.field-row .field-main strong{display:block;font-size:.9375rem;font-weight:600;color:var(--ink);}
.field-row .field-main span{display:block;font-size:.8125rem;color:var(--muted);margin-top:4px;}
.field-row svg{color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease);}
.field-row:hover svg{transform:translateX(4px);color:var(--brand);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  overflow:hidden;transition:background-color .28s var(--ease),border-color .28s var(--ease);
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{background:var(--brand-soft);border-color:#CBDCCF;}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:1rem;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:color .24s var(--ease);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-item[open] .faq-q{color:var(--brand);}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .3s var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-a{padding:0 22px 22px;font-size:.9375rem;line-height:1.8;color:var(--ink-2);max-width:72ch;}

/* ---------- CTA 条 ---------- */
.cta-section{padding:0 0 72px;}
@media (min-width:1024px){.cta-section{padding:0 0 104px;}}
.cta-bar{
  background:var(--dark);color:#F2F7F3;border-radius:var(--r-lg);
  padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:24px;
}
.cta-bar h2{font-size:clamp(1.25rem,2vw,1.625rem);font-weight:700;line-height:1.35;}
.cta-bar p{font-size:.875rem;color:rgba(242,247,243,.66);margin-top:8px;max-width:46ch;}
.cta-bar .btn-primary{background:#F2F7F3;color:var(--brand);}
.cta-bar .btn-primary:hover{background:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,247,243,.72);padding:64px 0 28px;}
.footer-top{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:900px){.footer-top{grid-template-columns:1.05fr 1.6fr;gap:56px;}}
.footer-brand-main{display:block;color:#F2F7F3;font-weight:800;font-size:1.25rem;letter-spacing:-.01em;}
.footer-brand-sub{display:block;font-size:.6875rem;letter-spacing:.24em;color:rgba(242,247,243,.5);margin-top:8px;}
.footer-desc{margin-top:18px;font-size:.875rem;line-height:1.8;color:rgba(242,247,243,.66);max-width:36ch;}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.footer-tags a{
  font-size:.8125rem;padding:7px 14px;border-radius:var(--r-full);
  border:1px solid rgba(242,247,243,.24);color:rgba(242,247,243,.86);
  text-decoration:none;transition:background-color .24s var(--ease),color .24s var(--ease);
}
.footer-tags a:hover{background:rgba(242,247,243,.12);color:#fff;}
.footer-cols{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:600px){.footer-cols{grid-template-columns:repeat(3,1fr);}}
.footer-col h4{color:#F2F7F3;font-size:.9375rem;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col span{color:rgba(242,247,243,.66);font-size:.875rem;text-decoration:none;transition:color .24s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(242,247,243,.16);margin-top:48px;padding-top:22px;
  font-size:.8125rem;color:rgba(242,247,243,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .cap-card:hover,.hero-figure:hover img,.media-frame:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#123B2E;
  --brand-2:#1F5A45;
  --brand-soft:#E6EFE8;
  --accent:#E4572E;
  --ink:#12181A;
  --ink-2:#2A3436;
  --muted:#6B7674;
  --line:#DCE1DA;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --surface-2:#EDEFEA;
  --dark:#0E1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.04), 0 8px 24px -12px rgba(18,24,26,.12);
  --sh-2:0 24px 60px -28px rgba(18,59,46,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:1rem;
  line-height:1.75;
  padding-top:0;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:"Barlow Condensed","Noto Sans SC",sans-serif;font-weight:600}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.875rem;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-full);border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(18,59,46,.7)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-text{display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:0;color:var(--brand);font-size:.875rem;font-weight:600}
.btn-text .arrow{transition:transform .24s ease}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ---------- 徽章 / 眉题 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-full);
  background:var(--brand-soft);color:var(--brand);
  font-size:.75rem;font-weight:600;line-height:1.4;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- 板块骨架 ---------- */
.sec{padding:64px 0}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-head{max-width:760px}
.sec-title{font-size:clamp(1.5rem,2.6vw,2.25rem);margin-top:14px}
.sec-sub{margin-top:14px;color:var(--muted);font-size:.9375rem;max-width:68ch}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:70;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:26px;
  padding:10px 12px 10px 22px;border-radius:var(--r-full);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);box-shadow:var(--sh-2);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{background:rgba(255,255,255,.97);padding:7px 12px 7px 20px;box-shadow:0 20px 44px -26px rgba(18,59,46,.36)}
.dock-brand{display:flex;flex-direction:column;line-height:1;flex:0 0 auto}
.dock-brand-main{font-size:1.0625rem;font-weight:800;letter-spacing:-.02em;color:var(--brand)}
.dock-brand-sub{font-size:.625rem;letter-spacing:.24em;color:var(--muted);margin-top:4px}
.dock-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.dock-link{position:relative;font-size:.875rem;color:var(--ink-2);padding:6px 0;white-space:nowrap;transition:color .22s ease}
.dock-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--brand);transition:width .24s ease}
.dock-link:hover{color:var(--brand)}
.dock-link:hover::after{width:100%}
.dock-link.is-active{color:var(--brand);font-weight:600}
.dock-link.is-active::after{width:18px}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8125rem;color:var(--muted);
  padding:8px 14px;border-radius:var(--r-full);border:1px solid var(--line);
  transition:color .22s ease,border-color .22s ease;
}
.dock-search:hover{color:var(--brand);border-color:var(--brand-2)}
.dock-burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-full);
  border:1px solid var(--line);background:var(--surface);color:var(--brand);cursor:pointer;
}
.dock-burger:hover{border-color:var(--brand)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--brand);color:#F2F7F3;
  padding:26px 24px 40px;display:flex;flex-direction:column;gap:22px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform .34s cubic-bezier(.2,.7,.2,1),visibility .34s ease;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.drawer-brand{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.drawer-brand span{display:block;font-size:.6875rem;letter-spacing:.24em;color:rgba(242,247,243,.66);font-weight:600;margin-top:6px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-full);border:1px solid rgba(242,247,243,.28);
  background:transparent;color:#F2F7F3;font-size:1.25rem;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(242,247,243,.12)}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.drawer-links a{
  font-size:1.375rem;font-weight:700;padding:14px 0;
  border-bottom:1px solid rgba(242,247,243,.16);
}
.drawer-links a.is-active{color:#fff}
.drawer-links a.is-active::after{content:"·";color:var(--accent);margin-left:10px}
.drawer-cta{width:100%;margin-top:6px}
.drawer-foot{font-size:.8125rem;color:rgba(242,247,243,.66);line-height:1.9;margin-top:auto}

/* ---------- Hero ---------- */
.hero{padding:130px 0 0}
.hero-inner{max-width:900px}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-top:20px}
.hero-lead{margin-top:18px;font-size:clamp(1.0625rem,1.6vw,1.25rem);color:var(--ink-2);font-weight:500}
.hero-desc{margin-top:14px;color:var(--muted);font-size:.9375rem;max-width:64ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-gallery{display:grid;grid-template-columns:1fr;gap:16px;margin-top:52px}
@media (min-width:768px){.hero-gallery{grid-template-columns:repeat(3,1fr);gap:20px}}
.g-cell{position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-2)}
.g-cell img{width:100%;height:210px;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.g-cell:hover img{transform:scale(1.03)}
.g-cell::after{content:"";position:absolute;left:0;right:0;bottom:0;height:58%;background:linear-gradient(to top,rgba(14,31,26,.74),rgba(14,31,26,0));pointer-events:none}
.g-tag{position:absolute;left:14px;top:14px;z-index:2;display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-full);background:rgba(255,255,255,.92);color:var(--brand);font-size:.75rem;font-weight:600}
.g-cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;font-size:.875rem;font-weight:600;line-height:1.5}

/* ---------- 提示条 ---------- */
.notice-bar{margin-top:72px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-2)}
.notice-grid{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:768px){.notice-grid{grid-template-columns:repeat(3,1fr)}}
.notice-item{display:flex;flex-direction:column;gap:6px;padding:22px 0;border-top:1px solid var(--line)}
.notice-item:first-child{border-top:0}
@media (min-width:768px){
  .notice-item{border-top:0;border-left:1px solid var(--line);padding:26px 28px}
  .notice-item:first-child{border-left:0;padding-left:0}
  .notice-item:last-child{padding-right:0}
}
.notice-k{font-size:.75rem;letter-spacing:.12em;color:var(--brand);font-weight:600}
.notice-v{font-size:.875rem;color:var(--muted);line-height:1.7}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:56px}}
.split-media{overflow:hidden;border-radius:var(--r-lg)}
.split-media img{width:100%;height:270px;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1)}
@media (min-width:1024px){
  .split-media img{height:380px}
  .split--flip .split-media{order:2}
}
.split-body h2{font-size:clamp(1.375rem,2.2vw,1.875rem);margin-top:14px}
.split-body p{margin-top:16px;color:var(--ink-2);font-size:.9375rem;line-height:1.8}
.split-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.split-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--ink-2)}
.split-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand)}

/* ---------- 流程清单 ---------- */
.steps{margin-top:44px;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line);transition:background .24s ease}
.step:hover{background:var(--brand-soft)}
@media (min-width:1024px){.step{grid-template-columns:90px 1fr;gap:28px;padding:30px 0}}
.step-num{font-size:2rem;color:var(--brand);line-height:1;letter-spacing:-.02em}
@media (min-width:1024px){.step-num{font-size:2.5rem}}
.step h3{font-size:1.0625rem;font-weight:600}
.step p{margin-top:8px;color:var(--muted);font-size:.875rem;line-height:1.75;max-width:60ch}

/* ---------- 能力栅格 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:40px}
@media (min-width:1024px){.cap-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
.cap-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.cap-card:hover{transform:translateY(-3px);border-color:var(--brand-2);box-shadow:0 18px 40px -22px rgba(18,59,46,.35)}
.cap-card h3{font-size:1.0625rem;font-weight:600}
.cap-card p{margin-top:10px;font-size:.875rem;color:var(--muted);line-height:1.75}
.cap-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--r-sm);background:var(--brand-soft);color:var(--brand);margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq{margin-top:40px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .24s ease,background .24s ease}
.faq-item[open]{background:var(--brand-soft);border-color:#CFDFD3}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:1rem;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .28s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:.9375rem;line-height:1.8;max-width:78ch}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:8px;background:var(--dark);border-radius:var(--r-lg);
  padding:30px 26px;display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  box-shadow:var(--sh-2);
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 40px;gap:32px}
}
.cta-band h2{color:#F2F7F3;font-size:clamp(1.25rem,2vw,1.625rem);max-width:38ch}
.cta-band p{margin-top:10px;color:rgba(242,247,243,.66);font-size:.875rem}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#F2F7F3;margin-top:88px;padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:1fr;gap:44px}
@media (min-width:1024px){.footer-top{grid-template-columns:1.1fr 1.9fr;gap:60px}}
.footer-brand-main{display:block;font-size:1.25rem;font-weight:800;letter-spacing:-.02em}
.footer-brand-sub{display:block;font-size:.6875rem;letter-spacing:.28em;color:rgba(242,247,243,.5);margin-top:8px}
.footer-desc{margin-top:18px;font-size:.875rem;color:rgba(242,247,243,.66);line-height:1.8;max-width:42ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-tags a{
  font-size:.8125rem;padding:6px 14px;border-radius:var(--r-full);
  border:1px solid rgba(242,247,243,.22);color:rgba(242,247,243,.82);
  transition:background .24s ease,border-color .24s ease,color .24s ease;
}
.footer-tags a:hover{background:rgba(242,247,243,.12);border-color:rgba(242,247,243,.44);color:#fff}
.footer-cols{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:640px){.footer-cols{grid-template-columns:repeat(3,1fr);gap:24px}}
.footer-col h4{font-size:.8125rem;letter-spacing:.12em;color:#F2F7F3;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:.875rem;color:rgba(242,247,243,.66);transition:color .22s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(242,247,243,.14);
  display:flex;flex-direction:column;gap:10px;font-size:.8125rem;color:rgba(242,247,243,.5);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:767px){
  .dock-links,.dock-actions{display:none}
  .dock{padding:8px 8px 8px 18px;gap:12px}
  .dock-burger{display:inline-flex}
  .dock-brand{margin-right:auto}
}
@media (min-width:768px){
  .drawer{display:none}
}

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