/* roulang page: index */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --ink-3:#0F211B;
  --lime:#C8F751;
  --lime-dark:#9FD61F;
  --coral:#FF7A45;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --invert:#F2F5EE;
  --r-card:14px;
  --r-media:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(12,26,21,.05), 0 14px 34px -16px rgba(12,26,21,.20);
  --shadow-soft:0 1px 2px rgba(12,26,21,.05), 0 8px 22px -14px rgba(12,26,21,.18);
  --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;
  font-family:"Barlow","PingFang SC","HarmonyOS Sans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border-radius:12px;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(32px,5vw,56px);line-height:1.15;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:700}
h3{font-size:22px;line-height:1.4;font-weight:700}
h4{font-size:18px;line-height:1.45;font-weight:700}
p{line-height:1.75}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--ink);color:var(--invert);position:relative;overflow:hidden}
.section--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(200,247,81,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.06) 1px,transparent 1px);
  background-size:72px 72px;
}
.section--dark > .container{position:relative;z-index:1}
.section--muted{background:#EFF2EA}

.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.eyebrow::before{content:"";width:3px;height:18px;background:var(--lime);border-radius:2px}
.section--dark .eyebrow{color:rgba(242,245,238,.7)}
.section-head h2{margin-top:14px}
.section-head .lead{margin-top:16px;color:var(--muted);font-size:16px}
.section--dark .section-head .lead{color:rgba(242,245,238,.72)}
.head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.head-row .section-head{margin-bottom:0}

/* ---------- Dock ---------- */
.site-dock{position:fixed;top:18px;left:50%;transform:translateX(-50%);width:calc(100% - 48px);max-width:1080px;z-index:120}
.dock-inner{
  display:flex;align-items:center;gap:24px;height:64px;padding:0 12px 0 18px;
  background:var(--ink);border:1px solid rgba(255,255,255,.08);border-radius:999px;
  box-shadow:0 18px 40px -22px rgba(12,26,21,.85);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.site-dock.is-scrolled .dock-inner{height:56px;box-shadow:0 24px 48px -20px rgba(12,26,21,.92)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--invert)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;letter-spacing:.02em;
}
.logo-text{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap}
.logo-accent{color:var(--lime)}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.dock-nav a{
  position:relative;display:block;padding:8px 12px;border-radius:999px;
  font-size:14px;font-weight:600;color:rgba(242,245,238,.78);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-nav a:hover{color:var(--invert);background:rgba(255,255,255,.06)}
.dock-nav a.is-active{color:var(--invert)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--lime);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-icon{
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:rgba(242,245,238,.82);background:transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.dock-icon:hover{border-color:var(--lime);color:var(--lime)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#D6FF63;box-shadow:0 14px 28px -14px rgba(200,247,81,.72);transform:translateY(-1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--invert)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--invert);background:transparent}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.dock-cta{min-height:40px;padding:0 18px;font-size:14px}
.dock-toggle{display:none;width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:transparent;color:var(--invert);align-items:center;justify-content:center}
.dock-drawer{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;padding:172px 0 96px;background:var(--ink);color:var(--invert);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transform:scale(1.02)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(12,26,21,.95) 0%,rgba(12,26,21,.88) 55%,rgba(12,26,21,.82) 100%)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(200,247,81,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero .container{position:relative;z-index:2;width:100%}
.hero-copy .badge-lime{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(200,247,81,.14);border:1px solid rgba(200,247,81,.32);color:var(--lime);
  font-size:13px;font-weight:600;
}
.badge-lime .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,247,81,.16)}
.hero h1{margin-top:22px;max-width:14em}
.hero-sub{margin-top:20px;font-size:18px;color:rgba(242,245,238,.76);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.10)}
.hero-stats li{min-width:0}
.hero-stats .num{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1.1}
.hero-stats .lbl{display:block;margin-top:6px;font-size:13px;color:rgba(242,245,238,.62)}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-media);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.75);background:var(--ink-2);
}
.hero-visual .frame img{width:100%;aspect-ratio:16/11;border-radius:0}
.hero-visual .float-card{
  position:absolute;left:-16px;bottom:-24px;background:var(--surface);color:var(--text);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-card);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;max-width:260px;
}
.hero-visual .float-card i{color:var(--lime-dark);font-size:20px}
.hero-visual .float-card span{font-size:13px;font-weight:600;line-height:1.5}

/* ---------- 服务 ---------- */
.service-sticky{position:sticky;top:120px}
.service-sticky h2{margin-top:14px}
.service-sticky p{margin-top:16px;color:var(--muted)}
.service-sticky .btn{margin-top:24px}
.service-grid{margin-top:-24px}
.service-grid > [class*="cell"]{margin-top:24px}
.service-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;height:100%;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.service-item:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-card)}
.service-item .idx{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--lime-dark)}
.service-item h3{margin-top:12px;font-size:19px}
.service-item p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75}
.service-item--wide{display:flex;flex-wrap:wrap;gap:26px;align-items:center;padding:26px}
.service-item--wide .media{flex:1 1 240px;min-width:0}
.service-item--wide .media img{width:100%;aspect-ratio:16/10;border-radius:12px}
.service-item--wide .body{flex:1 1 300px;min-width:0}
.service-item--wide .body h3{font-size:21px}

/* ---------- 数据带 ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stats-band .stat{padding:8px 28px;border-left:1px solid rgba(255,255,255,.12)}
.stats-band .stat:first-child{border-left:none;padding-left:0}
.stats-band .stat .num{display:block;font-size:clamp(34px,4vw,52px);font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1.05}
.stats-band .stat .lbl{display:block;margin-top:10px;font-weight:600;font-size:15px}
.stats-band .stat .desc{display:block;margin-top:8px;font-size:13px;color:rgba(242,245,238,.62);line-height:1.7}

/* ---------- 案例卡带 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(12,26,21,.18);border-radius:999px}
.rail::-webkit-scrollbar-track{background:rgba(12,26,21,.06);border-radius:999px}
.case-card{
  flex:0 0 clamp(260px,30vw,320px);scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:transform .2s var(--ease),border-color .2s var(--ease)
}
.case-card:hover{transform:translateY(-4px);border-color:var(--lime)}
.case-card img{width:100%;aspect-ratio:16/10;border-radius:0}
.case-card .body{padding:20px}
.case-card h3{font-size:18px;margin-top:10px}
.case-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:600;line-height:1.4;
}
.tag--dark{background:var(--ink-2);color:var(--lime)}
.tag--coral{background:rgba(255,122,69,.14);color:#C24E1E}
.case-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px}
.step{position:relative;padding:0 26px 0 0}
.step:last-child{padding-right:0}
.step::after{
  content:"";position:absolute;right:12px;top:22px;width:calc(100% - 56px);height:1px;
  border-top:1px dashed var(--line);
}
.step:last-child::after{display:none}
.step .dot{
  width:44px;height:44px;border-radius:999px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.step h3{margin-top:20px;font-size:18px}
.step p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 最新信息 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:14px;font-weight:600;color:var(--muted);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--lime-dark);color:var(--text)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.news-grid > [class*="cell"]{margin-bottom:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-card)}
.news-thumb{display:block}
.news-thumb img{width:100%;aspect-ratio:16/10;border-radius:0}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{margin-top:12px;font-size:19px}
.news-body h3 a{transition:color .2s var(--ease)}
.news-body h3 a:hover{color:var(--lime-dark)}
.news-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7}
.news-time{display:block;margin-top:auto;padding-top:18px;font-size:13px;color:var(--muted)}
.news-card--lead{display:flex;flex-direction:column}
.news-card--lead .news-thumb img{aspect-ratio:16/9}
.news-card--lead .news-body h3{font-size:24px}
.news-card--lead .news-body p{font-size:15px}
.news-mini{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;height:100%;transition:transform .2s var(--ease),border-color .2s var(--ease)}
.news-mini:hover{transform:translateY(-4px);border-color:var(--lime)}
.news-mini img{flex:0 0 92px;width:92px;aspect-ratio:1/1;border-radius:10px}
.news-mini .mini-body{min-width:0;display:flex;flex-direction:column}
.news-mini h3{margin-top:8px;font-size:16px;line-height:1.45}
.news-mini h3 a:hover{color:var(--lime-dark)}
.news-mini .news-time{padding-top:10px;font-size:12px}
.empty-state{
  min-height:180px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;
}
.empty-state i{font-size:26px;color:var(--muted)}
.empty-state p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-aside h2{margin-top:14px}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15px}
.faq-aside .btn{margin-top:24px}
.accordion{border:none;background:transparent;margin:0}
.accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease)}
.accordion-item.is-active{border-color:var(--lime-dark)}
.accordion-title{
  display:block;position:relative;padding:20px 56px 20px 24px;font-size:17px;font-weight:600;
  color:var(--text);background:var(--surface);border:none;line-height:1.55;
}
.accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--lime-dark);line-height:1;
}
.accordion-item.is-active .accordion-title::before{content:"−"}
.accordion-item.is-active .accordion-title{color:var(--ink)}
.accordion-content{padding:0 24px 22px;background:var(--surface);border:none;font-size:15px;line-height:1.8;color:var(--muted)}
.accordion-content p{color:var(--muted)}

/* ---------- 联系 ---------- */
.contact-grid{margin-top:8px}
.contact-info h2{margin-top:14px}
.contact-info > p{margin-top:16px;color:rgba(242,245,238,.72);font-size:15px}
.contact-list{margin-top:32px;display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.10)}
.contact-list li:last-child{border-bottom:none;padding-bottom:0}
.contact-list i{color:var(--lime);font-size:17px;margin-top:4px}
.contact-list .k{display:block;font-size:13px;color:rgba(242,245,238,.58)}
.contact-list .v{display:block;font-size:15px;font-weight:600;margin-top:2px}
.contact-note{margin-top:28px;padding:16px 18px;border:1px solid rgba(200,247,81,.30);border-radius:12px;background:rgba(200,247,81,.07);font-size:14px;color:rgba(242,245,238,.86)}
.form-panel{background:var(--ink-2);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:rgba(242,245,238,.84)}
.field input,.field select,.field textarea{
  width:100%;background:var(--ink-3);border:1px solid #2A3A34;border-radius:10px;
  padding:12px 14px;color:var(--invert);min-height:46px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(242,245,238,.45)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,247,81,.16)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(242,245,238,.6) 50%),linear-gradient(135deg,rgba(242,245,238,.6) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field select option{background:var(--ink-3);color:var(--invert)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(242,245,238,.68);line-height:1.7}
.check input{width:18px;height:18px;min-height:0;flex:0 0 18px;margin-top:3px;accent-color:var(--lime)}
.form-panel .btn{width:100%;margin-top:8px}
.form-hint{margin-top:14px;font-size:13px;color:rgba(242,245,238,.55);text-align:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--invert);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(200,247,81,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.05) 1px,transparent 1px);
  background-size:72px 72px;
}
.site-footer .container{position:relative;z-index:1}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:rgba(242,245,238,.66);line-height:1.8;max-width:30em}
.footer-brand .contact-line{margin-top:18px;font-size:14px;color:rgba(242,245,238,.8);display:flex;align-items:center;gap:10px}
.footer-brand .contact-line i{color:var(--lime)}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--invert)}
.footer-col ul{display:grid;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,245,238,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;padding:24px 0 32px;font-size:13px;color:rgba(242,245,238,.55)}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .service-sticky{position:static;margin-bottom:32px}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .stats-band .stat{padding:0 24px}
  .stats-band .stat:nth-child(odd){border-left:none;padding-left:0}
  .stats-band .stat:nth-child(3),.stats-band .stat:nth-child(4){border-top:1px solid rgba(255,255,255,.12);padding-top:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 0}
  .step:nth-child(2n)::after{display:none}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .hero{padding:150px 0 84px}
  .hero-visual{margin-top:48px}
  .hero-visual .float-card{position:static;margin-top:18px;max-width:none}
}
@media screen and (max-width:767px){
  .dock-nav{display:none}
  .dock-toggle{display:flex}
  .dock-actions .dock-icon{display:none}
  .dock-inner{gap:12px;padding:0 10px 0 14px}
  .dock-drawer{
    display:block;position:fixed;left:0;right:0;top:0;height:100vh;z-index:130;
    background:var(--ink);padding:96px 24px 40px;transform:translateY(-12px);
    opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .dock-drawer.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}
  .dock-drawer .drawer-logo{display:flex;align-items:center;gap:10px;color:var(--invert);margin-bottom:30px}
  .dock-drawer ul{display:grid;gap:6px}
  .dock-drawer a{
    display:block;padding:16px 18px;border-radius:12px;font-size:17px;font-weight:600;
    color:rgba(242,245,238,.82);border:1px solid rgba(255,255,255,.08);background:var(--ink-2);
  }
  .dock-drawer a.is-active{color:var(--lime);border-color:rgba(200,247,81,.38)}
  .dock-drawer .btn{margin-top:24px;width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .hero-sub{font-size:16px}
  .contact-info{margin-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:132px 0 64px;min-height:auto}
  .hero-actions .btn{width:100%}
  .service-item{padding:22px}
  .service-item--wide{padding:22px}
  .stats-band{grid-template-columns:1fr;gap:0}
  .stats-band .stat{padding:22px 0;border-left:none}
  .stats-band .stat + .stat{border-top:1px solid rgba(255,255,255,.12)}
  .stats-band .stat:nth-child(3),.stats-band .stat:nth-child(4){padding-top:22px}
  .steps{grid-template-columns:1fr;gap:30px}
  .step{padding-right:0}
  .step::after{display:none}
  .footer-cols{grid-template-columns:1fr;gap:32px}
  .news-card--lead .news-body h3{font-size:20px}
  .form-panel{padding:22px}
  .head-row{margin-bottom:32px}
}
@media screen and (max-width:400px){
  .logo-text{font-size:15px}
  .hero-stats{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --lime:#C8F751;
  --lime-deep:#9FD61F;
  --coral:#FF7A45;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --inv:#F2F5EE;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(12,26,21,.05), 0 14px 34px -16px rgba(12,26,21,.20);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

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

/* ---------- 阅读进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--lime);z-index:200;transition:width 90ms linear}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  background:var(--ink);
  border-radius:999px;
  z-index:120;
  box-shadow:0 12px 34px -14px rgba(12,26,21,.55), 0 0 0 1px rgba(255,255,255,.08) inset;
  transition:box-shadow var(--t);
}
.dock.is-scrolled{box-shadow:0 18px 40px -14px rgba(12,26,21,.72), 0 0 0 1px rgba(255,255,255,.10) inset}
.dock-inner{display:flex;align-items:center;gap:16px;height:64px;padding:0 16px 0 14px;transition:height var(--t)}
.dock.is-scrolled .dock-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-family:"Barlow",sans-serif;font-weight:700;font-size:13px;letter-spacing:-.02em;
}
.logo-text{color:var(--inv);font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-accent{color:var(--lime);font-family:"Barlow",sans-serif;margin-left:2px}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto;justify-content:center}
.dock-nav a{
  position:relative;color:rgba(242,245,238,.74);font-size:15px;padding:8px 12px;border-radius:8px;
  transition:color var(--t),background var(--t);white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.dock-nav a:hover{color:var(--inv)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.is-active{color:var(--inv)}
.dock-nav a.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-icon{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;color:rgba(242,245,238,.8);
  border:1px solid rgba(255,255,255,.14);transition:var(--t);
}
.dock-icon:hover{color:var(--lime);border-color:rgba(200,247,81,.45)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-weight:600;font-size:15px;
  border:1px solid transparent;transition:var(--t);white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#d8ff6d;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(200,247,81,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--inv)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.dock-cta{min-height:40px;padding:0 18px;font-size:14px}
.dock-toggle{display:none;width:40px;height:40px;border-radius:999px;color:var(--inv);border:1px solid rgba(255,255,255,.16);place-items:center}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;background:rgba(12,26,21,.92);z-index:130;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
body.nav-open .drawer{opacity:1;visibility:visible}
.drawer-panel{
  margin:96px 16px 0;background:var(--ink-2);border:1px solid rgba(255,255,255,.10);
  border-radius:24px;padding:18px 18px 24px;
}
.drawer-panel a{display:block;color:var(--inv);font-size:17px;font-weight:600;padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-panel a:last-of-type{border-bottom:0}
.drawer-panel .drawer-cta{margin-top:16px}
.drawer-panel .drawer-cta a{background:var(--lime);color:var(--ink);border-radius:10px;text-align:center;border-bottom:0;padding:12px}

/* ---------- 主体偏移 ---------- */
.page-main{padding-top:120px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:8px 0 0}
.breadcrumb a{color:var(--muted);transition:color var(--t)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:#B8C0B6}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 34px;border-bottom:1px solid var(--line)}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:20px 0 14px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-dark{background:var(--ink-2);color:var(--lime)}
.badge-hot{background:rgba(255,122,69,.14);color:#C64A19;border:1px solid rgba(255,122,69,.35)}
.head-meta time,.head-meta .meta-item{font-size:13px;color:var(--muted)}
.head-meta .divider{width:4px;height:4px;border-radius:50%;background:#C6CEC4}
.article-head h1{
  font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
  max-width:920px;
}
.head-info{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;font-size:14px;color:var(--muted)}
.head-info strong{color:var(--ink);font-weight:600}

/* ---------- 正文 ---------- */
.article-wrap{padding:56px 0 var(--gap-section)}
.article-body{
  max-width:820px;margin:0 auto;font-size:17px;line-height:1.85;color:#1D2B25;
}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  margin:46px 0 16px;padding-left:14px;color:var(--ink);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;width:3px;height:1.05em;background:var(--lime-deep);border-radius:2px}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--ink)}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px;color:var(--ink)}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;counter-reset:item}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul > li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime-deep)}
.article-body ol > li{counter-increment:item}
.article-body ol > li::before{
  content:counter(item);position:absolute;left:0;top:.18em;font-size:13px;font-weight:700;
  color:var(--lime-deep);font-family:"Barlow",sans-serif;
}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:4px solid var(--lime-deep);background:#F1F4EC;
  border-radius:0 12px 12px 0;color:#2C3A33;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:22px auto;box-shadow:var(--shadow-card)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px;margin:24px 0;background:var(--card)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body thead th{background:#EFF2EA;color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFBF7}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime-deep);transition:var(--t)}
.article-body a:hover{font-weight:600;border-bottom-width:2px}
.article-body strong{color:var(--ink);font-weight:700}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:820px;margin:0 auto;min-height:220px;border:1px dashed #CBD3C6;border-radius:var(--r-card);
  background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:36px 24px;
}
.empty-state i{font-size:30px;color:#B6BFB2}
.empty-state p{color:var(--muted)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--gap-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-family:"Barlow",sans-serif;font-size:13px;
  font-weight:700;color:var(--lime-deep);letter-spacing:.08em;margin-bottom:10px;
}
.section-label::before{content:"";width:18px;height:3px;background:var(--lime-deep);border-radius:2px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:var(--ink)}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:620px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:var(--t);display:flex;flex-direction:column;
}
.article-card:hover{transform:translateY(-4px);border-color:var(--lime)}
.article-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.article-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.2,1)}
.article-card:hover .thumb img{transform:scale(1.04)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--muted)}
.card-foot .more{color:var(--ink);font-weight:600}
.card-foot .more i{color:var(--lime-deep);margin-left:4px;transition:var(--t)}
.article-card:hover .card-foot .more i{transform:translateX(3px)}

/* ---------- 返回入口 ---------- */
.back-strip{background:var(--ink);border-radius:20px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;position:relative;overflow:hidden}
.back-strip::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:34px 34px;
}
.back-strip h2{color:var(--inv);font-size:22px;font-weight:700;position:relative;z-index:1}
.back-strip p{color:rgba(242,245,238,.7);font-size:14px;margin-top:8px;position:relative;z-index:1}
.back-strip .actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.btn-outline-light{border-color:rgba(255,255,255,.28);color:var(--inv)}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:var(--lime);color:var(--lime)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:72px 0 26px;margin-top:20px}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:rgba(242,245,238,.68);font-size:14px;line-height:1.8;max-width:340px}
.contact-line{display:flex;align-items:center;gap:10px;color:rgba(242,245,238,.8);font-size:14px;margin-top:10px}
.contact-line i{color:var(--lime)}
.footer-col h4{font-size:15px;font-weight:700;color:var(--inv);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a,.footer-col ul span{color:rgba(242,245,238,.66);font-size:14px;transition:var(--t)}
.footer-col ul a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);margin-top:44px;padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,245,238,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(242,245,238,.72)}
.footer-bottom .links a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gap-section:72px}
  .dock-nav{display:none}
  .dock-toggle{display:grid}
  .dock-inner{justify-content:space-between}
  .dock-actions{margin-left:auto}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-main{padding-top:112px}
}
@media (max-width:767px){
  :root{--gap-section:56px}
  .container{padding:0 20px}
  .dock{width:calc(100% - 24px);top:14px}
  .dock-cta{display:none}
  .logo-text{font-size:15px}
  .page-main{padding-top:104px}
  .article-head{padding:18px 0 26px}
  .head-info{gap:14px;font-size:13px}
  .article-wrap{padding-top:36px}
  .article-body{font-size:17px;line-height:1.85}
  .card-grid{grid-template-columns:1fr}
  .back-strip{padding:24px 20px}
  .footer-cols{grid-template-columns:1fr}
  .site-footer{padding:56px 0 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-head h1{font-size:26px}
  .head-meta{gap:10px}
}

/* roulang page: category1 */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --ink-3:#0F211B;
  --lime:#C8F751;
  --lime-2:#9FD61F;
  --coral:#FF7A45;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --white:#F2F5EE;
  --r-card:14px;
  --r-block:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(12,26,21,.05), 0 14px 34px -16px rgba(12,26,21,.20);
  --t:200ms cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--muted);
  text-transform:uppercase;
}
.sec-head{margin-bottom:40px;max-width:720px}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:16px}
.bar-title{position:relative;padding-left:16px}
.bar-title::before{
  content:"";position:absolute;left:0;top:.22em;width:3px;height:18px;
  background:var(--lime);border-radius:2px;
}

/* ============ Dock 导航 ============ */
.site-header{position:relative;z-index:60}
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1080px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 14px 0 20px;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;
  box-shadow:0 18px 40px -22px rgba(12,26,21,.75);
  transition:height var(--t),box-shadow var(--t),background var(--t);
}
.dock.is-scrolled{height:56px;box-shadow:0 22px 44px -20px rgba(12,26,21,.85)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--lime);color:var(--ink);font-family:"Barlow",sans-serif;
  font-weight:700;font-size:13px;letter-spacing:.02em;
}
.logo-text{color:var(--white);font-size:15px;font-weight:700;white-space:nowrap}
.logo-accent{color:var(--lime)}
.dock-nav{display:flex;align-items:center;gap:4px}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:999px;
  color:rgba(242,245,238,.76);font-size:14px;font-weight:500;white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.dock-nav a:hover{color:var(--white);background:rgba(255,255,255,.06)}
.dock-nav a.is-active{color:var(--white)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:999px;
  color:rgba(242,245,238,.8);font-size:15px;transition:background var(--t),color var(--t);
}
.icon-btn:hover{background:rgba(255,255,255,.08);color:var(--white)}
.dock-toggle{display:none}
.dock-drawer{
  position:fixed;inset:0;z-index:70;display:none;
  background:rgba(12,26,21,.96);padding:96px 24px 40px;
}
.dock-drawer.is-open{display:block}
.dock-drawer a{
  display:block;padding:16px 4px;color:var(--white);font-size:17px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.dock-drawer a.is-active{color:var(--lime)}
.dock-drawer .drawer-close{
  position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:999px;
  display:grid;place-items:center;color:var(--white);font-size:18px;
  border:1px solid rgba(255,255,255,.18);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-2);color:var(--ink);box-shadow:0 12px 26px -14px rgba(200,247,81,.9)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-outline-light{border:1px solid rgba(255,255,255,.28);color:var(--white)}
.btn-outline-light:hover{background:rgba(255,255,255,.10);color:var(--white)}
.btn-sm{min-height:36px;padding:0 16px;font-size:13px}

/* ============ 页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding:150px 0 88px;color:var(--white);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(12,26,21,.96) 0%,rgba(12,26,21,.88) 52%,rgba(12,26,21,.94) 100%);
}
.page-head::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:repeating-linear-gradient(0deg,transparent 0 23px,rgba(200,247,81,.6) 23px 24px),
                   repeating-linear-gradient(90deg,transparent 0 23px,rgba(200,247,81,.6) 23px 24px);
}
.page-head .container{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(242,245,238,.6);margin-bottom:20px;
}
.crumb a{color:rgba(242,245,238,.72)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--lime)}
.page-head h1{
  color:var(--white);
  font-size:clamp(32px,5vw,56px);
  line-height:1.15;letter-spacing:-.02em;margin-bottom:16px;
}
.page-head h1 em{font-style:normal;color:var(--lime)}
.page-head .lead{
  max-width:620px;font-size:17px;line-height:1.8;color:rgba(242,245,238,.78);margin-bottom:28px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:rgba(242,245,238,.86);
}
.chip i{color:var(--lime);font-size:12px}
.head-card{
  border-radius:var(--r-block);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  margin-top:8px;
}
.head-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.head-card .cap{
  padding:14px 18px;background:rgba(255,255,255,.05);
  font-size:13px;color:rgba(242,245,238,.7);
}

/* ============ 图文交错 ============ */
.feature-list{display:flex;flex-direction:column;gap:56px}
.feature-item{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.feature-item:nth-child(even) .feature-media{order:2}
.feature-item:nth-child(even) .feature-body{order:1}
.feature-media{
  border-radius:var(--r-card);overflow:hidden;background:var(--ink-2);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t)}
.feature-item:hover .feature-media img{transform:scale(1.025)}
.feature-body .tag{
  display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:999px;
  background:var(--ink-2);color:var(--lime);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.feature-body h3{font-size:22px;line-height:1.4;margin-bottom:12px}
.feature-body p{color:var(--muted);font-size:15px}
.feature-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px;
  font-size:13px;color:var(--muted);
}
.feature-meta time{font-family:"Barlow",sans-serif;letter-spacing:.02em}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-weight:600;font-size:14px;
  border-bottom:1px solid var(--lime);padding-bottom:2px;
}
.link-more:hover{color:var(--ink-2)}
.link-more i{font-size:11px;transition:transform var(--t)}
.link-more:hover i{transform:translateX(3px)}

/* ============ 次级卡片列表 ============ */
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.mini-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.mini-card:hover{transform:translateY(-4px);border-color:var(--lime)}
.mini-card .num{
  font-family:"Barlow",sans-serif;font-size:13px;font-weight:700;color:var(--lime-2);
  letter-spacing:.06em;margin-bottom:14px;
}
.mini-card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.mini-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.mini-card .mini-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.mini-card .mini-foot time{font-family:"Barlow",sans-serif}
.badge-hot{
  display:inline-block;padding:2px 8px;border-radius:999px;
  background:rgba(255,122,69,.14);color:#C24A17;font-size:12px;font-weight:600;
}

/* ============ 深底区块 ============ */
.dark-block{
  position:relative;background:var(--ink);color:var(--white);overflow:hidden;
}
.dark-block::after{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:repeating-linear-gradient(45deg,transparent 0 15px,rgba(200,247,81,.7) 15px 16px);
}
.dark-block .container{position:relative;z-index:2}
.dark-block h2{color:var(--white);font-size:clamp(26px,3.4vw,40px);line-height:1.25}
.dark-block .sec-head p{color:rgba(242,245,238,.72)}
.dark-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);padding:24px;
}
.dark-card h3{color:var(--white);font-size:18px;margin-bottom:10px}
.dark-card p{color:rgba(242,245,238,.72);font-size:14px}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 96px}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--lime);border-radius:var(--r-block);padding:36px 40px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:var(--ink);line-height:1.3;margin-bottom:8px}
.cta-inner p{color:rgba(12,26,21,.74);font-size:15px;max-width:640px;margin:0}
.cta-inner .btn{background:var(--ink);color:var(--white);flex:0 0 auto}
.cta-inner .btn:hover{background:var(--ink-2);color:var(--lime)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(242,245,238,.74);padding:72px 0 28px;font-size:14px}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,245,238,.66);margin-bottom:10px}
.footer-brand .contact-line{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,238,.6)}
.footer-brand .contact-line i{color:var(--lime)}
.footer-col h4{color:var(--white);font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(242,245,238,.68);font-size:14px}
.footer-col a:hover{color:var(--lime)}
.footer-col span{color:rgba(242,245,238,.58);font-size:13px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,245,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.footer-bottom a{color:rgba(242,245,238,.68)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .head-card{margin-top:32px}
  .page-head{padding:132px 0 72px}
}
@media screen and (max-width:767px){
  .dock{top:12px;width:calc(100% - 32px);height:58px;padding:0 10px 0 14px}
  .dock-nav{display:none}
  .dock-toggle{display:grid}
  .dock-actions .btn{display:none}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-head{padding:118px 0 56px}
  .page-head h1{font-size:clamp(28px,7vw,38px)}
  .feature-list{gap:40px}
  .feature-item{grid-template-columns:1fr;gap:20px}
  .feature-item:nth-child(even) .feature-media{order:0}
  .feature-item:nth-child(even) .feature-body{order:0}
  .mini-grid{grid-template-columns:1fr}
  .cta-inner{padding:28px 22px}
  .cta-inner .btn{width:100%}
  .footer-cols{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .logo-text{font-size:14px}
  .feature-body h3{font-size:19px}
  .mini-card{padding:20px}
}

/* roulang page: category3 */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --lime:#C8F751;
  --lime-deep:#9FD61F;
  --coral:#FF7A45;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --light:#F2F5EE;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(12,26,21,.05),0 14px 34px -16px rgba(12,26,21,.20);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --sec:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--lime-deep)}
h1,h2,h3,h4{font-weight:700;color:var(--ink);margin:0;letter-spacing:-.01em}
h1{font-size:clamp(32px,5vw,56px);line-height:1.15}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-soft{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-direction:column;gap:14px;max-width:760px;margin-bottom:44px}
.sec-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.sec-tag b{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;font-family:"Barlow",var(--font-cn)}
.sec-desc{color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{position:fixed;top:18px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 16px;transition:top var(--t)}
.dock-inner{
  width:100%;max-width:1080px;height:64px;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 20px;
  transition:height var(--t),box-shadow var(--t);
}
.dock.is-scrolled .dock-inner{height:56px;box-shadow:0 20px 44px -24px rgba(12,26,21,.85)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover{color:var(--lime)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-family:"Barlow",var(--font-cn);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.logo-text{color:var(--light);font-size:15px;font-weight:600;white-space:nowrap}
.logo-text:hover{color:var(--light)}
.logo-accent{color:var(--lime)}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;color:rgba(242,245,238,.78);font-size:14px;
  padding:8px 12px;border-radius:999px;white-space:nowrap;
  transition:color var(--t),background-color var(--t);
}
.dock-nav a:hover{color:var(--light);background:rgba(255,255,255,.07)}
.dock-nav a.is-active{color:var(--light)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--lime);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  color:rgba(242,245,238,.82);border:1px solid rgba(255,255,255,.16);
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.icon-btn:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.hamburger{
  display:none;width:38px;height:38px;border-radius:999px;place-items:center;
  color:var(--light);border:1px solid rgba(255,255,255,.16);
}
.hamburger:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn i{font-size:13px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 12px 26px -16px rgba(12,26,21,.55)}
.btn-primary:hover{background:#D8FB77;color:var(--ink);transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(12,26,21,.6)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:rgba(12,26,21,.04)}
.btn-ghost-light{border-color:rgba(255,255,255,.28);color:var(--light);background:transparent}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,247,81,.08)}
.btn-dark{background:var(--ink);color:var(--light)}
.btn-dark:hover{background:var(--ink-2);color:var(--lime)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:12px;z-index:100;background:var(--ink);
  border:1px solid rgba(255,255,255,.10);border-radius:24px;padding:22px;
  display:none;flex-direction:column;gap:8px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.7);
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.10)}
.drawer-head .logo-text{font-size:15px}
.drawer-close{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;color:var(--light);border:1px solid rgba(255,255,255,.16)}
.drawer-close:hover{color:var(--lime);border-color:var(--lime)}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  color:rgba(242,245,238,.82);font-size:16px;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer-nav a.is-active{color:var(--lime)}
.drawer-nav a:hover{color:var(--lime)}
.drawer .btn{margin-top:auto}

/* ---------- 页头带 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:var(--light);
  padding:158px 0 88px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(12,26,21,.97) 0%,rgba(12,26,21,.90) 52%,rgba(12,26,21,.74) 100%);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(200,247,81,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.08) 1px,transparent 1px);
  background-size:58px 58px;
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,238,.62);margin-bottom:20px}
.breadcrumb a{color:rgba(242,245,238,.75)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(242,245,238,.34)}
.breadcrumb .current{color:var(--lime)}
.head-grid{align-items:center}
.head-copy h1{color:var(--light);margin-bottom:16px}
.head-copy h1 .hl{color:var(--lime)}
.head-sub{font-size:17px;color:rgba(242,245,238,.86);margin-bottom:18px;max-width:560px}
.head-desc{font-size:15px;line-height:1.9;color:rgba(242,245,238,.68);max-width:600px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.head-figure{margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);background:var(--ink-2);box-shadow:0 30px 60px -34px rgba(0,0,0,.8)}
.head-figure img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;color:var(--light)}
.head-figure figcaption{
  position:absolute;left:16px;bottom:16px;font-size:13px;color:var(--light);
  background:rgba(12,26,21,.78);padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);
}
.head-grid .cell:first-child{padding-right:32px}
.head-grid .cell + .cell{padding-top:0}

/* ---------- 横向卡带 ---------- */
.rail-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;margin:0 -4px;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
}
.rail-track::-webkit-scrollbar{height:8px}
.rail-track::-webkit-scrollbar-track{background:transparent}
.rail-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.rail-track::-webkit-scrollbar-thumb:hover{background:#CFD5C8}
.play-card{
  flex:0 0 336px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:16px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.play-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:0 1px 2px rgba(12,26,21,.05),0 22px 40px -20px rgba(12,26,21,.28)}
.thumb{position:relative;border-radius:12px;overflow:hidden;background:var(--ink);aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover;color:var(--light);transition:transform 400ms cubic-bezier(.2,.7,.2,1)}
.play-card:hover .thumb img{transform:scale(1.03)}
.thumb-tag{position:absolute;left:12px;top:12px}
.play-body{display:flex;flex-direction:column;gap:12px;flex:1}
.play-meta{display:flex;flex-wrap:wrap;gap:8px}
.play-card h3{font-size:19px;line-height:1.45}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-dark{background:var(--ink-2);color:var(--lime)}
.badge-coral{background:rgba(255,122,69,.14);color:#B9451A;border:1px solid rgba(255,122,69,.35)}
.points{display:flex;flex-direction:column;gap:9px}
.points li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--muted)}
.points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--lime)}
.card-link{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
}
.card-link i{font-size:12px;color:var(--lime-deep);transition:transform var(--t)}
.card-link:hover{color:var(--ink)}
.card-link:hover i{transform:translateX(3px)}
.rail-tip{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-top:6px}
.rail-tip i{color:var(--lime-deep)}

/* ---------- 数据条 ---------- */
.stat-band{position:relative;background:var(--ink);color:var(--light);overflow:hidden}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
.stat-band .container{position:relative;z-index:2}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 26px;border-left:1px solid rgba(255,255,255,.10)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-family:"Barlow",var(--font-cn);font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1.1;color:var(--lime);letter-spacing:-.02em}
.stat span{display:block;margin-top:8px;font-size:14px;color:rgba(242,245,238,.72)}
.stat em{display:block;margin-top:6px;font-size:13px;font-style:normal;color:rgba(242,245,238,.5)}

/* ---------- 解析维度 ---------- */
.split{align-items:start}
.split .cell:first-child{padding-right:48px}
.split-side{position:sticky;top:110px}
.split-side h2{margin:14px 0 16px}
.split-side p{color:var(--muted);font-size:15px;line-height:1.85}
.split-list{display:flex;flex-direction:column;gap:16px}
.split-item{
  display:flex;gap:18px;padding:24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:transform var(--t),border-color var(--t);
}
.split-item:hover{transform:translateY(-3px);border-color:var(--lime)}
.split-num{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-family:"Barlow",var(--font-cn);font-size:14px;font-weight:700;
}
.split-item h3{font-size:18px;margin-bottom:8px}
.split-item p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 对照区 ---------- */
.compare-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.compare-col{padding:38px}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:20px;margin-bottom:20px}
.compare-col h3 .dot{width:10px;height:10px;border-radius:3px;background:var(--lime)}
.compare-col.alt h3 .dot{background:var(--coral)}
.compare-list{display:flex;flex-direction:column;gap:14px}
.compare-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--muted)}
.compare-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:2px;border-radius:2px;background:var(--lime-deep);
}
.compare-col.alt .compare-list li::before{background:var(--coral)}
.compare-note{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-grid .cell:first-child{padding-right:40px}
.faq-side h2{margin:14px 0 16px}
.faq-side p{color:var(--muted);font-size:15px;line-height:1.85}
.faq-list{margin:0;padding:0;list-style:none;background:transparent;border:0;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);position:relative;
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color var(--t)}
.faq-item:hover{border-color:#CFD5C8}
.faq-item.is-open{border-color:var(--lime);box-shadow:var(--shadow-1)}
.faq-item.is-open::before{background:var(--lime)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;border:0;line-height:1.6;
}
.faq-q:hover{color:var(--ink)}
.faq-item.is-open .faq-q{color:var(--ink)}
.faq-sign{flex:0 0 auto;position:relative;width:18px;height:18px}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:transform var(--t),background-color var(--t)}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);background:var(--lime-deep)}
.faq-item.is-open .faq-sign::before{background:var(--lime-deep)}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);display:none}
.faq-item.is-open .faq-a{display:block}

/* ---------- 青柠 CTA 条 ---------- */
.cta-strip{
  background:var(--lime);color:var(--ink);border-radius:var(--r-lg);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 26px 50px -30px rgba(12,26,21,.5);
}
.cta-strip h2{color:var(--ink);font-size:clamp(24px,2.8vw,32px)}
.cta-strip p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(12,26,21,.78);max-width:640px}
.cta-strip .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,245,238,.72);padding:76px 0 28px;margin-top:0}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:350px;color:rgba(242,245,238,.66)}
.footer-brand .logo{margin-bottom:4px}
.contact-line{display:flex;align-items:center;gap:9px;margin-top:10px;font-size:14px;color:rgba(242,245,238,.72)}
.contact-line i{color:var(--lime)}
.footer-col h4{color:var(--light);font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,245,238,.68)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(242,245,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.footer-bottom a{color:rgba(242,245,238,.75)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  .dock-nav{display:none}
  .hamburger{display:grid}
  .dock-inner{padding:0 10px 0 16px;gap:10px}
  .head-grid .cell:first-child{padding-right:0;padding-bottom:34px}
  .split .cell:first-child{padding-right:0;padding-bottom:32px}
  .split-side{position:static}
  .faq-grid .cell:first-child{padding-right:0;padding-bottom:28px}
  .compare-col + .compare-col{border-top:1px solid var(--line)}
  .footer-cols{grid-template-columns:1fr 1fr}
  .page-head{padding:142px 0 68px}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:36px 30px}
}
@media (min-width:1024px){
  .compare-col + .compare-col{border-left:1px solid var(--line)}
}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:24px 18px;border-left:0}
  .stat:nth-child(odd){padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.10)}
  .stat:nth-child(even){padding-left:22px}
}
@media (max-width:639px){
  :root{--sec:56px}
  .container{padding:0 20px}
  .page-head{padding:126px 0 56px}
  .head-sub{font-size:16px}
  .play-card{flex:0 0 84vw}
  .compare-col{padding:26px 22px}
  .cta-strip{padding:30px 22px;border-radius:16px}
  .faq-q{padding:18px;font-size:16px}
  .faq-a{padding:0 18px 18px}
  .footer-cols{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .rail-track{padding-bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --lime:#C8F751;
  --lime-2:#9FD61F;
  --coral:#FF7A45;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --on-dark:#F2F5EE;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(12,26,21,.05), 0 14px 34px -16px rgba(12,26,21,.20);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;border-radius:var(--r-img);object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
button{font-family:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.45}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--ink);color:var(--on-dark)}
.section--dark h2,.section--dark h3{color:var(--on-dark)}
.section-head{margin-bottom:48px;max-width:720px}
.section-head .idx{display:block;font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--lime-2);margin-bottom:12px}
.section--dark .section-head .idx{color:var(--lime)}
.section-head p{color:var(--muted);margin-top:14px}
.section--dark .section-head p{color:rgba(242,245,238,.72)}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:0;right:0;margin:0 auto;
  width:min(1080px,calc(100% - 40px));
  height:64px;
  background:var(--ink);
  border-radius:999px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08), 0 18px 40px -22px rgba(12,26,21,.75);
  z-index:90;
  transition:height var(--t),box-shadow var(--t);
}
.dock.is-scrolled{height:56px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12), 0 24px 48px -22px rgba(12,26,21,.9)}
.dock-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 14px 0 22px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;white-space:nowrap}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:-.02em;flex:0 0 auto;
}
.logo-text{font-size:15px;letter-spacing:.01em}
.logo-accent{color:var(--lime)}
.dock-nav{display:flex;align-items:center;gap:24px}
.dock-nav a{position:relative;font-size:14px;font-weight:500;color:rgba(242,245,238,.76);padding:6px 0}
.dock-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.dock-nav a:hover{color:var(--on-dark)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.is-active{color:var(--on-dark)}
.dock-nav a.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-search{
  width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
  background:transparent;color:var(--on-dark);display:inline-flex;align-items:center;justify-content:center;
  transition:background-color var(--t),border-color var(--t);
}
.dock-search:hover{background:rgba(255,255,255,.08);border-color:rgba(200,247,81,.6);color:var(--lime)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
  background:transparent;color:var(--on-dark);align-items:center;justify-content:center;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 24px -14px rgba(159,214,31,.9)}
.btn-primary:hover{background:#D6FA6E;color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(159,214,31,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(12,26,21,.24)}
.btn-ghost:hover{border-color:var(--lime-2);background:rgba(200,247,81,.18);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.28)}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- 页头带 ---------- */
.page-head{padding:150px 0 76px;background:#FFFFFF;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,26,21,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(12,26,21,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.page-head .container{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--ink-2);background:rgba(200,247,81,.42);
  border:1px solid rgba(159,214,31,.55);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow i{color:var(--ink-2);font-size:11px}
.page-head h1{margin-bottom:18px;max-width:16em}
.page-head .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:620px}
.head-mark{
  background:var(--ink);border-radius:16px;padding:30px 28px;
  display:flex;flex-direction:column;justify-content:center;
  min-height:200px;position:relative;overflow:hidden;
}
.head-mark::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(200,247,81,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.08) 1px,transparent 1px);
  background-size:36px 36px;
}
.mark-num{position:relative;z-index:1;font-family:var(--font-num);font-size:clamp(56px,8vw,86px);line-height:1;font-weight:700;color:var(--lime);letter-spacing:-.03em}
.mark-label{position:relative;z-index:1;margin-top:10px;font-size:14px;color:rgba(242,245,238,.78);letter-spacing:.06em}
.head-thumb{margin-top:22px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.head-thumb img{width:100%;aspect-ratio:16/9;border-radius:0}

/* ---------- 快览数据条 ---------- */
.quick-strip{background:var(--ink-2);color:var(--on-dark);padding:26px 0}
.quick-inner{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:space-between}
.quick-item{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(242,245,238,.82)}
.quick-item i{color:var(--lime);font-size:14px}
.quick-item strong{font-family:var(--font-num);color:var(--lime);font-size:18px;font-weight:700;letter-spacing:-.02em}

/* ---------- 要点卡 ---------- */
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;height:100%;box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t);
}
.point-card:hover{transform:translateY(-4px);border-color:var(--lime)}
.point-num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--lime-2);display:block;margin-bottom:14px}
.point-card h3{font-size:19px;margin-bottom:10px}
.point-card p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 编号步骤 ---------- */
.steps-wrap{position:relative}
.step-list{position:relative;display:grid;gap:18px}
.step{
  position:relative;display:grid;grid-template-columns:72px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:var(--lime)}
.step-num{
  width:56px;height:56px;border-radius:999px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);
  font-family:var(--font-num);font-size:19px;font-weight:700;letter-spacing:-.02em;
}
.step-body h3{font-size:20px;margin-bottom:10px}
.step-body p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:rgba(200,247,81,.35);color:var(--ink-2);border:1px solid rgba(159,214,31,.5);
}
.tag--dark{background:rgba(200,247,81,.14);color:var(--lime);border-color:rgba(200,247,81,.3)}

/* ---------- 折叠面板 ---------- */
.acc{display:grid;gap:14px}
.acc-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
  position:relative;
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform var(--t);
}
.acc-item.is-open{border-color:var(--lime);box-shadow:var(--shadow)}
.acc-item.is-open::before{transform:scaleY(1)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.acc-btn:hover{color:var(--ink-2)}
.acc-item.is-open .acc-btn{color:var(--ink)}
.acc-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;
  transition:transform var(--t),opacity var(--t),background-color var(--t);
}
.acc-icon::before{left:0;right:0;top:8px;height:2px}
.acc-icon::after{top:0;bottom:0;left:8px;width:2px}
.acc-item.is-open .acc-icon::after{transform:scaleY(0);opacity:0}
.acc-item.is-open .acc-icon::before{background:var(--lime-2)}
.acc-panel{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted)}
.acc-panel p{margin-bottom:.8em}
.acc-panel ul{display:grid;gap:8px;margin-top:6px}
.acc-panel li{position:relative;padding-left:18px}
.acc-panel li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--lime-2)}

/* ---------- 提示条 ---------- */
.notice{
  border:1px solid var(--coral);border-radius:var(--r-card);
  background:#FFFFFF;padding:24px 26px;
  display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start;
}
.notice-icon{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,122,69,.12);color:var(--coral);font-size:16px;
}
.notice h3{font-size:18px;margin-bottom:8px}
.notice p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--lime);border-radius:20px;padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{color:var(--ink);font-size:clamp(24px,3vw,32px);margin-bottom:10px}
.cta-band p{color:rgba(12,26,21,.78);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{border-color:rgba(12,26,21,.32);color:var(--ink)}
.cta-band .btn-ghost:hover{background:rgba(12,26,21,.08);border-color:var(--ink)}

/* ---------- 内页相邻入口 ---------- */
.next-links{display:grid;gap:16px}
.next-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t);
}
.next-card:hover{transform:translateY(-4px);border-color:var(--lime)}
.next-card h3{font-size:17px;margin-bottom:6px}
.next-card p{font-size:13px;color:var(--muted);margin:0}
.next-card i{color:var(--lime-2);font-size:16px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,245,238,.78);padding:72px 0 28px;margin-top:0}
.site-footer .logo{margin-bottom:18px}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,245,238,.66);margin-bottom:12px;max-width:340px}
.contact-line{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(242,245,238,.72)}
.contact-line i{color:var(--lime);width:16px}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,245,238,.66)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(242,245,238,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.footer-bottom a{color:rgba(242,245,238,.72)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- Foundation 覆盖 ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:0;margin-right:0;padding-left:12px;padding-right:12px}
.grid-x>.cell{min-width:0}
body,button,input,select,textarea{font-family:var(--font)}
a{color:inherit}
a:hover{color:inherit}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .footer-cols{grid-template-columns:1fr 1fr}
  .page-head{padding:132px 0 64px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section--tight{padding:52px 0}
  .dock{top:12px;width:calc(100% - 24px);padding:0}
  .dock-inner{padding:0 10px 0 16px;gap:10px}
  .logo-text{font-size:14px}
  .dock-nav{
    position:fixed;inset:0;margin:0;width:100%;height:100%;
    background:rgba(12,26,21,.985);
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:26px;
    opacity:0;visibility:hidden;pointer-events:none;z-index:95;
    transition:opacity var(--t),visibility var(--t);
  }
  .dock-nav.is-open{opacity:1;visibility:visible;pointer-events:auto}
  .dock-nav a{font-size:20px;font-weight:600;color:rgba(242,245,238,.9);padding:6px 0}
  .dock-nav a::after{bottom:-2px}
  .dock-search{display:none}
  .dock-toggle{display:inline-flex}
  .dock-actions .btn-sm{display:none}
  .step{grid-template-columns:1fr;gap:16px;padding:22px 20px}
  .step-num{width:48px;height:48px;font-size:17px}
  .cta-band{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-cols{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .notice{grid-template-columns:1fr;gap:14px;padding:22px 20px}
  .quick-inner{gap:14px 24px}
  .acc-btn{padding:18px 20px;font-size:16px}
  .acc-panel{padding:0 20px 20px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .page-head{padding:118px 0 52px}
  .head-mark{min-height:150px;padding:22px}
  .section-head{margin-bottom:34px}
}

/* roulang page: category4 */
:root{
  --ink:#0C1A15;
  --ink-2:#14261F;
  --ink-3:#0F211B;
  --lime:#C8F751;
  --lime-dark:#9FD61F;
  --coral:#FF7A45;
  --paper:#F6F7F2;
  --card:#FFFFFF;
  --line:#E2E5DC;
  --text:#16221D;
  --muted:#5F6E67;
  --on-dark:#F2F5EE;
  --soft:#F1F4EC;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(12,26,21,.05), 0 14px 34px -16px rgba(12,26,21,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
  --space-section:96px;
}
@media (max-width:1023px){ :root{ --space-section:72px; } }
@media (max-width:640px){ :root{ --space-section:56px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:640px){ .container{padding:0 20px;} }

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1080px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 10px 0 18px;
  background:var(--ink);
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;
  box-shadow:0 18px 40px -22px rgba(12,26,21,.75);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
  z-index:90;
}
.dock.is-scrolled{height:56px;box-shadow:0 22px 48px -20px rgba(12,26,21,.9);}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--on-dark);white-space:nowrap;flex:0 0 auto;}
.logo-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--lime);color:var(--ink);
  font-family:"Barlow",sans-serif;font-weight:700;font-size:13px;letter-spacing:.02em;
}
.logo-text{line-height:1;}
.logo-accent{color:var(--lime);}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:14px;color:rgba(242,245,238,.76);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{color:#fff;background:rgba(255,255,255,.07);}
.dock-nav a.is-active{color:#fff;font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--lime);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.14);border-radius:999px;
  color:rgba(242,245,238,.8);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--lime);border-color:rgba(200,247,81,.5);background:rgba(200,247,81,.08);}
.menu-toggle{
  display:none;width:38px;height:38px;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.14);border-radius:999px;
  color:var(--on-dark);cursor:pointer;
}
.menu-toggle:hover{color:var(--lime);border-color:rgba(200,247,81,.5);}
@media (max-width:1080px){
  .dock-nav{display:none;}
  .menu-toggle{display:grid;}
}
@media (max-width:640px){
  .dock{top:12px;width:calc(100% - 24px);height:58px;padding:0 8px 0 14px;gap:10px;}
  .dock.is-scrolled{height:54px;}
  .logo-text{font-size:14px;}
  .logo-mark{width:30px;height:30px;font-size:12px;}
  .dock-actions .btn{display:none;}
}

/* 移动端抽屉 */
.dock-drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(12,26,21,.98);
  padding:22px 20px 32px;
  overflow-y:auto;
}
.dock-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:26px;}
.drawer-close{
  width:40px;height:40px;display:grid;place-items:center;background:transparent;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;color:var(--on-dark);cursor:pointer;font-size:20px;
}
.drawer-close:hover{color:var(--lime);border-color:rgba(200,247,81,.5);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:15px 18px;border-radius:12px;font-size:16px;color:rgba(242,245,238,.82);
  border:1px solid rgba(255,255,255,.08);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(200,247,81,.1);color:#fff;border-color:rgba(200,247,81,.4);}
.drawer-nav a.is-active{color:var(--ink);background:var(--lime);border-color:var(--lime);font-weight:600;}
.drawer-foot{margin-top:24px;display:grid;gap:12px;}
.drawer-note{font-size:13px;color:rgba(242,245,238,.5);line-height:1.7;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  text-align:center;
}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#D6FF68;box-shadow:0 12px 26px -14px rgba(200,247,81,.9);transform:translateY(-1px);}
.btn-lime:active{transform:translateY(0);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);}
.btn-ghost-light{border-color:rgba(255,255,255,.28);color:var(--on-dark);background:transparent;}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--soft);color:var(--muted);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-lime{background:rgba(200,247,81,.9);color:var(--ink);}
.tag-dark{background:var(--ink-2);color:var(--lime);}
.tag-new{background:rgba(255,122,69,.14);color:#C24E1F;}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  padding:132px 0 64px;
  background:
    radial-gradient(circle at 84% 12%, rgba(200,247,81,.16), transparent 46%),
    linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,26,21,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(12,26,21,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.breadcrumb{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.hero-grid{position:relative;z-index:1;align-items:center;}
.page-hero h1{
  font-size:clamp(32px,5vw,52px);
  line-height:1.15;
  margin:16px 0 16px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/10;background:var(--ink);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:var(--ink);color:var(--on-dark);font-size:13px;font-weight:600;
}
.hero-badge i{color:var(--lime);}
@media (max-width:1023px){
  .page-hero{padding:120px 0 56px;}
  .hero-media{margin-top:32px;}
}

/* ---------- 数据带 ---------- */
.stat-band{position:relative;background:var(--ink);color:var(--on-dark);padding:56px 0;overflow:hidden;}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(200,247,81,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(200,247,81,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 30px;border-left:1px solid rgba(255,255,255,.12);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:"Barlow",sans-serif;font-weight:700;letter-spacing:-.02em;
  font-size:clamp(30px,4vw,46px);line-height:1;color:var(--lime);
}
.stat-label{margin-top:12px;font-size:15px;font-weight:600;color:#fff;}
.stat-desc{margin-top:6px;font-size:13px;color:rgba(242,245,238,.6);line-height:1.7;}
@media (max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
}

/* ---------- 答疑主体：锚点两栏 ---------- */
.faq-section{padding:var(--space-section) 0;background:var(--paper);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:3px;height:22px;border-radius:2px;background:var(--lime-dark);flex:0 0 auto;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

.faq-layout{
  display:grid;
  grid-template-columns:288px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.anchor-side{position:sticky;top:104px;align-self:start;}
.anchor-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.anchor-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:4px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.anchor-list a:hover{background:var(--soft);color:var(--text);}
.anchor-list .num{
  font-family:"Barlow",sans-serif;font-weight:700;font-size:12px;color:var(--lime-dark);letter-spacing:.02em;
}
.anchor-list a.is-current{background:var(--ink);color:#fff;}
.anchor-list a.is-current .num{color:var(--lime);}
.anchor-help{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.anchor-help p{font-size:13px;color:var(--muted);margin-bottom:12px;line-height:1.7;}

.group-block + .group-block{margin-top:52px;}
.group-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(21px,2.4vw,27px);line-height:1.3;
  margin-bottom:18px;scroll-margin-top:118px;
}
.group-title::before{content:"";width:3px;height:20px;border-radius:2px;background:var(--lime-dark);flex:0 0 auto;}
.group-count{
  font-family:"Barlow",sans-serif;font-size:13px;font-weight:600;color:var(--muted);
  background:var(--soft);border-radius:999px;padding:3px 10px;
}

.faq-item{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item:hover{border-color:#D6E2B8;}
.faq-item.is-open{border-color:#CFDDAE;box-shadow:var(--shadow-card);}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#000;}
.faq-item.is-open .faq-q{color:var(--ink);}
.faq-sign{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--lime-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:14px;height:2px;}
.faq-sign::after{width:2px;height:14px;transition:opacity .2s var(--ease);}
.faq-q[aria-expanded="true"] .faq-sign::after{opacity:0;}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);}
.faq-a p + p{margin-top:10px;}
.faq-a strong{color:var(--text);}

@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-side{position:static;}
  .anchor-card{padding:18px;}
  .anchor-list{
    flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;
    padding-bottom:6px;scrollbar-width:thin;
  }
  .anchor-list li{flex:0 0 auto;}
  .anchor-list a{
    border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13px;white-space:nowrap;
  }
  .anchor-list a.is-current{background:var(--ink);color:#fff;border-color:var(--ink);}
  .anchor-help{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .anchor-help p{margin-bottom:0;}
}

/* ---------- 内容入口卡片 ---------- */
.entry-section{padding:0 0 var(--space-section);background:var(--paper);}
.entry-grid{display:flex;flex-wrap:wrap;}
.entry-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--lime);}
.entry-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink);}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card h3{font-size:19px;line-height:1.4;}
.entry-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.entry-card .more{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.entry-card .more i{color:var(--lime-dark);transition:transform .2s var(--ease);}
.entry-card:hover .more i{transform:translateX(4px);}

/* ---------- 联系引导条 ---------- */
.cta-band{position:relative;background:var(--ink);color:var(--on-dark);padding:72px 0;overflow:hidden;}
.cta-band .bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.26;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,26,21,.97) 0%,rgba(12,26,21,.82) 58%,rgba(12,26,21,.7) 100%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.3;color:#fff;max-width:640px;}
.cta-inner p{margin-top:14px;font-size:15px;color:rgba(242,245,238,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
@media (max-width:900px){
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-band{padding:60px 0;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,245,238,.72);padding:66px 0 28px;font-size:14px;}
.footer-cols{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,245,238,.66);max-width:340px;}
.contact-line{margin-top:10px;display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,238,.6);}
.contact-line i{color:var(--lime);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,245,238,.66);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,245,238,.5);
}
.footer-bottom .links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(242,245,238,.62);}
.footer-bottom a:hover{color:var(--lime);}
@media (max-width:900px){
  .footer-cols{grid-template-columns:1fr 1fr;gap:34px 24px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:520px){
  .footer-cols{grid-template-columns:1fr;}
}