/* roulang page: index */
:root{
  --ink:#0F2A22;
  --ink-2:#16402F;
  --lime:#C6F24E;
  --orange:#FF6B35;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E4E6E1;
  --text:#14181A;
  --muted:#5B6560;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(15,42,34,.06);
  --sh-2:0 12px 28px rgba(15,42,34,.10);
  --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:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:639px){.container{padding:0 16px}}

/* ---------- 排版层级 ---------- */
.h1{font-size:clamp(32px,4.6vw,60px);font-weight:800;line-height:1.14;letter-spacing:-.01em}
.h2{font-size:clamp(25px,3.1vw,38px);font-weight:700;line-height:1.22;letter-spacing:-.01em}
.h3{font-size:20px;font-weight:600;line-height:1.42;letter-spacing:0}
.lead{font-size:17px;line-height:1.9;color:var(--muted)}
.eyebrow{font-size:12.5px;letter-spacing:.14em;font-weight:600;color:var(--muted);text-transform:uppercase}
.section{padding:112px 0}
.section-sm{padding:80px 0}
@media (max-width:1023px){.section{padding:80px 0}.section-sm{padding:60px 0}}
@media (max-width:639px){.section{padding:58px 0}.section-sm{padding:46px 0}}
.section-head{max-width:720px;margin-bottom:56px}
.section-head .h2{margin-bottom:16px}
@media (max-width:639px){.section-head{margin-bottom:34px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,247,244,.94);
  backdrop-filter:saturate(160%) blur(8px);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);
  display:grid;place-items:center;color:var(--lime);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:800;letter-spacing:.005em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--muted);
  border-radius:8px;white-space:nowrap;transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(15,42,34,.045)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;width:236px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.35)}
.search-box svg{flex:0 0 auto;color:var(--muted)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13.5px;line-height:1}
.search-box input::placeholder{color:#98a09b}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;place-items:center;color:var(--ink);flex:0 0 auto;
}
.nav-drawer{border-top:1px solid var(--line);background:var(--paper);padding:18px 0 26px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.drawer-link{padding:12px 4px;font-size:16px;color:var(--muted);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--text);font-weight:700}
.drawer-search{width:100%;margin-bottom:14px}
@media (max-width:1023px){
  .nav-links,.nav-right .search-box,.nav-right .btn-nav{display:none}
  .nav-toggle{display:grid;margin-left:auto}
}
@media (min-width:1024px){
  .nav-drawer{display:none !important}
}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  white-space:nowrap;transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
  overflow:hidden;z-index:0;
}
.btn:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary::after{
  content:"";position:absolute;inset:0;background:#B4E636;transform:translateX(-101%);
  transition:transform .28s var(--ease);z-index:-1;
}
.btn-primary:hover::after{transform:translateX(0)}
.btn-primary:hover{box-shadow:0 8px 20px rgba(15,42,34,.14)}
.btn-outline{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-light{background:var(--lime);color:var(--ink)}
.btn-light:hover{background:#B4E636}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);
  padding:6px 2px;
}
.btn-ghost svg{transition:transform .22s var(--ease)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-ghost:hover{color:var(--ink-2)}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;border:1px solid;
}
.badge-lime{background:rgba(198,242,78,.22);border-color:rgba(198,242,78,.75);color:#3D6900}
.badge-ink{background:rgba(15,42,34,.055);border-color:rgba(15,42,34,.14);color:var(--ink)}
.badge-orange{background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.42);color:#B9410F}
.badge-onDark{background:rgba(198,242,78,.14);border-color:rgba(198,242,78,.42);color:var(--lime)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-sm);
  background:#F1F2EE;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-1);transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card-hover:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--sh-2)}
.card-dark{background:var(--ink);border-color:var(--ink-2);color:#EAF2EC}
.card-dark .muted-onDark{color:#9DB3A6}
.thumb{
  position:relative;overflow:hidden;background:#EDEEEA;border-radius:var(--r-md);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card-hover:hover .thumb img{transform:scale(1.035)}

/* ---------- Hero ---------- */
.hero{padding:70px 0 96px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;left:-8%;top:-30%;width:52%;height:120%;
  border-radius:50%;border:1px solid rgba(15,42,34,.06);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative}
.hero-copy .badge{margin-bottom:22px}
.hero-copy .h1{margin-bottom:22px}
.hero-copy .lead{max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:26px}
.hero-facts li{padding:0 28px 0 0;margin-right:28px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.hero-facts li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-facts strong{font-size:20px;font-weight:800;letter-spacing:-.01em}
.hero-facts span{font-size:13px;color:var(--muted)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/12;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.hero-chip{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-2);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 auto}
.hero-chip strong{font-size:15px;display:block;line-height:1.3}
.hero-chip span{font-size:12px;color:var(--muted)}
@media (max-width:1023px){
  .hero{padding:52px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-chip{left:14px;bottom:14px}
}
@media (max-width:639px){
  .hero-facts{gap:14px 0}
  .hero-facts li{width:100%;border-right:0;margin-right:0;padding-right:0;padding-bottom:14px;border-bottom:1px solid var(--line)}
  .hero-facts li:last-child{border-bottom:0;padding-bottom:0}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
}

/* ---------- 价值主张 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.value-item{padding-top:26px;border-top:2px solid var(--ink)}
.value-num{font-size:34px;font-weight:800;color:var(--lime);letter-spacing:-.02em;line-height:1;display:block;margin-bottom:18px;-webkit-text-stroke:.6px var(--ink)}
.value-item h3{margin-bottom:12px}
.value-item p{color:var(--muted);font-size:15.5px;line-height:1.85}
@media (max-width:1023px){.value-grid{grid-template-columns:1fr;gap:26px}}

/* ---------- 功能分组 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.feature-main{padding:44px;display:flex;flex-direction:column;justify-content:space-between;min-height:420px}
.feature-main .h3{font-size:26px;color:#fff;margin-bottom:14px}
.feature-list{margin-top:28px;display:flex;flex-direction:column;gap:0}
.feature-list li{
  display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);
  font-size:14.5px;color:#C8D6CD;
}
.feature-list li:last-child{border-bottom:0}
.feature-list svg{flex:0 0 auto;margin-top:5px;color:var(--lime)}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.feature-small{padding:30px;display:flex;flex-direction:column;gap:12px}
.feature-small .h3{font-size:19px}
.feature-small p{font-size:14.5px;color:var(--muted);line-height:1.8}
.feature-icon{
  width:42px;height:42px;border-radius:12px;background:#F1F2EE;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);margin-bottom:4px;
}
@media (max-width:1023px){
  .feature-grid{grid-template-columns:1fr}
  .feature-main{padding:32px;min-height:0}
  .feature-side{grid-template-rows:auto auto}
}

/* ---------- 使用场景 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.scene + .scene{margin-top:96px}
.scene.reverse .scene-media{order:2}
.scene.reverse .scene-copy{order:1}
.scene-media .thumb{border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.scene-media img{aspect-ratio:4/3}
.scene-index{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
  letter-spacing:.14em;font-weight:600;margin-bottom:16px;
}
.scene-index b{color:var(--ink);font-size:15px;font-weight:800;letter-spacing:0}
.scene-copy .h2{font-size:clamp(23px,2.4vw,31px);margin-bottom:16px}
.scene-copy p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:22px}
.scene-points{display:flex;flex-direction:column;gap:11px;margin-bottom:26px}
.scene-points li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#2C3733}
.scene-points li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:2px;background:var(--lime);
  border:1px solid var(--ink);margin-top:9px;
}
@media (max-width:1023px){
  .scene{grid-template-columns:1fr;gap:28px}
  .scene + .scene{margin-top:62px}
  .scene.reverse .scene-media,.scene.reverse .scene-copy{order:0}
}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.case-minor{display:grid;grid-template-rows:repeat(3,1fr);gap:24px}
.case-card{overflow:hidden;display:flex;flex-direction:column}
.case-card .thumb{border-radius:0;border-bottom:1px solid var(--line)}
.case-card .case-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.case-card .case-quote{font-size:15px;line-height:1.85;color:#2C3733}
.case-card .case-source{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.case-main .case-body{padding:32px}
.case-main .case-quote{font-size:17px;line-height:1.85}
.case-minor .case-card{flex-direction:row;align-items:stretch}
.case-minor .thumb{width:38%;border-bottom:0;border-right:1px solid var(--line);flex:0 0 auto}
.case-minor .case-body{padding:20px 22px;gap:8px}
.case-minor .case-body h3{font-size:16.5px}
.case-minor .case-quote{font-size:13.5px;color:var(--muted)}
@media (max-width:1023px){
  .case-grid{grid-template-columns:1fr}
  .case-minor{grid-template-rows:auto}
  .case-minor .case-card{flex-direction:column}
  .case-minor .thumb{width:100%;border-right:0;border-bottom:1px solid var(--line)}
  .case-minor .thumb img{aspect-ratio:16/9}
}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{padding:34px 30px;display:flex;flex-direction:column;gap:18px;position:relative}
.price-card .price-name{font-size:18px;font-weight:700}
.price-card .price-amount{font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.price-card .price-note{font-size:13px;color:var(--muted);margin-top:-8px}
.price-card hr{border:0;border-top:1px solid var(--line);margin:0}
.price-list{display:flex;flex-direction:column;gap:11px;flex:1 1 auto}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#2C3733}
.price-list svg{flex:0 0 auto;margin-top:5px;color:var(--ink-2)}
.price-card .btn{width:100%}
.price-featured{background:var(--ink);border-color:var(--ink);color:#EAF2EC;box-shadow:var(--sh-2)}
.price-featured .price-note{color:#9DB3A6}
.price-featured .price-list li{color:#CFDCD4}
.price-featured .price-list svg{color:var(--lime)}
.price-featured hr{border-top-color:rgba(255,255,255,.14)}
.price-flag{position:absolute;top:-12px;right:26px}
@media (max-width:1023px){.price-grid{grid-template-columns:1fr;gap:18px}}

/* ---------- 资讯列表（CMS 区） ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.news-feature .thumb img{aspect-ratio:16/9}
.news-feature .news-body{padding:26px 0 0}
.news-feature .h3{font-size:22px;margin:14px 0 10px}
.news-feature .news-desc{font-size:15px;color:var(--muted);line-height:1.85}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:16px;flex-wrap:wrap}
.news-meta .sep{width:1px;height:12px;background:var(--line)}
.news-list{display:flex;flex-direction:column}
.news-row{
  display:block;padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.news-row:first-child{padding-top:0}
.news-row:hover{background:rgba(15,42,34,.028);padding-left:12px}
.news-row h4{font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:8px;transition:color .2s var(--ease)}
.news-row:hover h4{color:var(--ink-2)}
.news-row .news-line{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row .news-meta{margin-top:10px}
.news-empty{
  border:1px dashed var(--line);border-radius:16px;padding:48px 28px;text-align:center;
  background:#fff;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.news-empty svg{color:#A9B2AC}
.news-empty p{color:var(--muted);font-size:15px}
@media (max-width:1023px){.news-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--ink-2)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);transition:transform .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 4px 26px;font-size:15px;color:var(--muted);line-height:1.9;max-width:860px}
.faq-item.open .faq-a{max-height:340px}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:22px;padding:62px 56px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-8%;top:-40%;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(198,242,78,.18);
}
.cta-band::before{
  content:"";position:absolute;right:6%;bottom:-58%;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(198,242,78,.12);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner .h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px;color:#fff}
.cta-inner p{color:#A9BFB2;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:1023px){.cta-band{padding:42px 28px;border-radius:18px}}
@media (max-width:639px){.cta-band{padding:34px 20px}.cta-actions{width:100%}.cta-actions .btn{flex:1 1 auto}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C9C0;margin-top:110px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8FA398}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:#93A79C;max-width:330px}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#A9BFB2;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-col .plain{font-size:14px;color:#A9BFB2;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8297 8C;
}
.footer-bottom span{color:#82978C}
@media (max-width:1023px){
  .site-footer{margin-top:76px;padding-top:52px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:34px}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: article */
:root{
  --ink:#0F2A22;
  --ink-2:#16402F;
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.22);
  --orange:#FF6B35;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E4E6E1;
  --text:#14181A;
  --muted:#5B6560;
  --soft:#F1F2EE;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,42,34,.06);
  --shadow-2:0 12px 28px rgba(15,42,34,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Helvetica Neue",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.2em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,247,244,.94);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:9px;
  background:var(--ink);
  color:var(--lime);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:10px;
}
.nav-link{
  position:relative;
  padding:9px 13px;
  font-size:14px;
  color:var(--muted);
  border-radius:var(--radius-pill);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(15,42,34,.05);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  width:238px;
  padding:0 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px var(--lime-soft);}
.search-box svg{color:var(--muted);flex:none;}
.search-box input{
  border:none;
  outline:none;
  background:transparent;
  width:100%;
  font-size:13.5px;
  color:var(--text);
}
.search-box input::placeholder{color:#939b96;}
.btn-text{
  font-size:14px;
  color:var(--ink);
  padding:8px 6px;
  border-radius:var(--radius-s);
  transition:color .2s ease;
}
.btn-text:hover{color:var(--ink-2);text-decoration:underline;text-underline-offset:4px;}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  background:var(--lime);
  color:var(--ink);
  font-size:14.5px;
  font-weight:700;
  border:none;
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease,background .22s ease;
}
.btn-primary:hover{background:#d3fb66;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-primary.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  padding:11px 4px;
  transition:gap .2s ease,color .2s ease;
}
.btn-ghost:hover{gap:11px;color:var(--ink-2);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 22px;
  border:1px solid var(--ink);
  border-radius:var(--radius-pill);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  background:transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  color:var(--ink);
  cursor:pointer;
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
}
.drawer.open{display:block;}
.drawer-inner{padding:18px 0 26px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin:14px 0 18px;}
.drawer-nav a{
  padding:12px 4px;
  font-size:15px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.drawer-nav a.active{font-weight:700;}
.drawer-nav a.active::after{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.drawer-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
}
.drawer-search input{border:none;outline:none;background:transparent;width:100%;font-size:14px;}
.drawer-actions{display:flex;gap:12px;align-items:center;}
.drawer-actions .btn-primary{flex:1;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:26px 0 0;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:#b6bdb8;}
.breadcrumb .current{
  color:var(--ink);
  font-weight:600;
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-head{
  padding:34px 0 30px;
  border-bottom:1px solid var(--line);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  font-size:12px;
  letter-spacing:.06em;
  border-radius:var(--radius-s);
  border:1px solid rgba(15,42,34,.14);
  background:var(--lime-soft);
  color:var(--ink-2);
  font-weight:600;
}
.article-head h1{
  margin:18px 0 0;
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--ink);
  max-width:900px;
}
.article-meta{
  margin-top:18px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 18px;
  font-size:13px;
  color:var(--muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#c2c8c3;}
.article-meta strong{color:var(--ink-2);font-weight:600;}

/* ---------- 文章主体 ---------- */
.article-layout{
  display:flex;
  justify-content:center;
  gap:56px;
  padding:52px 0 24px;
}
.article-main{
  width:100%;
  max-width:760px;
  min-width:0;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#222a26;
  word-wrap:break-word;
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  margin:2.1em 0 .8em;
  padding-left:15px;
  font-size:clamp(21px,2.4vw,27px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink);
  letter-spacing:-.005em;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  bottom:.2em;
  width:3px;
  border-radius:3px;
  background:var(--lime);
}
.article-body h3{
  margin:1.7em 0 .6em;
  font-size:20px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink);
}
.article-body h4{
  margin:1.4em 0 .5em;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
}
.article-body ul,
.article-body ol{margin:0 0 1.25em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--ink-2);}
.article-body ol li::marker{color:var(--ink-2);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 22px;
  background:var(--soft);
  border-left:3px solid var(--lime);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:#33403a;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--radius-m);
  margin:1.6em auto;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--muted);
}
.article-body a{
  color:var(--ink-2);
  border-bottom:1px solid rgba(22,64,47,.35);
  transition:border-color .2s ease,color .2s ease;
}
.article-body a:hover{border-bottom-color:var(--ink);color:var(--ink);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.article-body th{
  background:#EAF1EC;
  color:var(--ink);
  font-weight:700;
  text-align:left;
}
.article-body th,
.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
.article-body tr:last-child td{border-bottom:none;}
.article-body th:last-child,
.article-body td:last-child{border-right:none;}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:2.4em 0;
}
.article-body code{
  background:var(--soft);
  padding:2px 6px;
  border-radius:5px;
  font-size:.92em;
}
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:2px;}
.tag{
  display:inline-flex;
  padding:6px 13px;
  font-size:13px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--card);
  color:var(--ink-2);
  transition:border-color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--ink);transform:translateY(-2px);}

/* ---------- 侧边目录 ---------- */
.toc{
  display:none;
  width:210px;
  flex:none;
}
.toc-inner{
  position:sticky;
  top:104px;
  border-left:1px solid var(--line);
  padding-left:20px;
}
.toc-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
  margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:10px;list-style:none;padding:0;margin:0;}
.toc-list a{
  font-size:13.5px;
  line-height:1.55;
  color:var(--muted);
  display:block;
  transition:color .2s ease;
}
.toc-list a:hover{color:var(--ink);}
.toc-list a.is-active{color:var(--ink);font-weight:700;position:relative;}
.toc-list a.is-active::before{
  content:"";
  position:absolute;
  left:-21px;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:16px;
  border-radius:3px;
  background:var(--lime);
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
}
.empty-state .empty-icon{
  width:56px;
  height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-2);
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink);}
.empty-state p{margin:12px auto 24px;max-width:420px;color:var(--muted);font-size:15px;}

/* ---------- 相关推荐 ---------- */
.related{
  padding:64px 0 0;
}
.related-inner{max-width:760px;margin:0 auto;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.section-head h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.005em;
}
.section-head .more{
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s ease;
}
.section-head .more:hover{gap:11px;}
.related-list{display:flex;flex-direction:column;}
.related-item{
  display:flex;
  gap:18px;
  align-items:center;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:transform .22s cubic-bezier(.2,.7,.2,1);
}
.related-item:hover{transform:translateX(3px);}
.related-item .thumb{
  width:104px;
  height:72px;
  border-radius:var(--radius-m);
  overflow:hidden;
  background:#EDEEEA;
  flex:none;
}
.related-item .thumb img{width:100%;height:100%;object-fit:cover;}
.related-item h3{
  font-size:16.5px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  transition:color .2s ease;
}
.related-item:hover h3{color:var(--ink-2);}
.related-item .sub{
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  gap:10px;
  align-items:center;
}
.related-item .sub .dot{width:3px;height:3px;border-radius:50%;background:#c2c8c3;}
.back-row{
  padding:36px 0 0;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- CTA 条纹 ---------- */
.cta-strip{
  margin-top:88px;
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-strip::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:420px;
  height:420px;
  border:2px solid rgba(198,242,78,.14);
  border-radius:50%;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  padding:76px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-copy h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.25;
}
.cta-copy p{
  margin-top:14px;
  color:rgba(255,255,255,.72);
  font-size:15.5px;
  max-width:560px;
}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-strip .btn-outline{border-color:rgba(255,255,255,.45);color:#fff;}
.cta-strip .btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  margin-top:0;
}
.cta-strip + .site-footer{margin-top:0;}
.site-footer .container{padding-top:72px;padding-bottom:28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.65);
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--lime);
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col .plain{font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}

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

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .toc{display:block;}
}
@media (max-width:1279px){
  .article-layout{gap:0;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .search-box{display:none;}
  .header-actions .btn-text{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .article-head{padding:24px 0 22px;}
  .article-head h1{margin-top:14px;}
  .article-layout{padding:34px 0 16px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .related{padding-top:48px;}
  .related-item .thumb{width:84px;height:62px;}
  .cta-inner{padding:56px 0;}
  .cta-strip{margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand .footer-desc{max-width:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-sub{display:none;}
  .btn-primary{padding:10px 16px;font-size:13.5px;}
  .back-row .btn-outline,
  .back-row .btn-primary{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary,
  .cta-actions .btn-outline{width:100%;justify-content:center;}
  .breadcrumb .current{max-width:200px;}
}

/* roulang page: category1 */
:root{
    --ink:#0F2A22;
    --ink-2:#16402F;
    --lime:#C6F24E;
    --orange:#FF6B35;
    --paper:#F7F7F4;
    --card:#FFFFFF;
    --line:#E4E6E1;
    --text:#14181A;
    --muted:#5B6560;
    --r-s:6px;
    --r-m:12px;
    --r-l:20px;
    --r-p:999px;
    --sh-1:0 1px 2px rgba(15,42,34,.06);
    --sh-2:0 12px 28px rgba(15,42,34,.10);
    --dur:220ms;
    --ease:cubic-bezier(.2,.7,.2,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3{letter-spacing:-0.01em;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 40px;
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(247,247,244,.94);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(120%) blur(6px);
    transition:box-shadow var(--dur) var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 1px 12px rgba(15,42,34,.08);}
  .header-inner{
    height:68px;
    display:flex;
    align-items:center;
    gap:28px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:32px;height:32px;border-radius:9px;
    background:var(--ink);color:var(--lime);
    display:inline-flex;align-items:center;justify-content:center;
    flex-shrink:0;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:0.01em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.12em;}

  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:8px;
    flex:1 1 auto;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    color:#2A332F;
    padding:6px 0;
    white-space:nowrap;
    transition:color var(--dur) var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;left:0;bottom:0;
    height:3px;width:0;border-radius:2px;
    background:var(--lime);
    transition:width var(--dur) var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after,.nav-link.active::after{width:100%;}
  .nav-link.active{color:var(--ink);font-weight:700;}

  .header-tools{display:flex;align-items:center;gap:14px;flex-shrink:0;}
  .nav-search{
    display:flex;align-items:center;gap:8px;
    width:236px;height:40px;padding:0 14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-p);
    transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  }
  .nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.35);}
  .nav-search svg{flex-shrink:0;color:var(--muted);}
  .nav-search input{
    border:0;outline:0;background:transparent;width:100%;
    font-size:14px;color:var(--text);
  }
  .nav-search input::placeholder{color:#9AA39E;}

  .link-login{font-size:15px;color:#2A332F;padding:8px 4px;border-radius:var(--r-s);transition:color var(--dur) var(--ease);}
  .link-login:hover{color:var(--ink);}

  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:var(--r-m);
    border:1px solid var(--line);background:var(--card);
    align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
  }
  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--paper);
    padding:18px 0 26px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer .container{display:flex;flex-direction:column;gap:6px;}
  .mobile-drawer a.m-link{
    padding:12px 4px;font-size:16px;color:#2A332F;
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a.m-link.active{color:var(--ink);font-weight:700;}
  .mobile-drawer .m-actions{display:flex;gap:12px;margin-top:16px;}
  .mobile-drawer .m-search{
    display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-p);margin-top:16px;
  }
  .mobile-drawer .m-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;
    border-radius:var(--r-p);
    font-size:15px;font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    position:relative;overflow:hidden;
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  }
  .btn::before{
    content:"";position:absolute;inset:0;background:rgba(15,42,34,.08);
    transform:translateX(-101%);transition:transform var(--dur) var(--ease);
  }
  .btn:hover::before{transform:translateX(0);}
  .btn:active{transform:translateY(1px);}
  .btn > *{position:relative;}
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{box-shadow:var(--sh-2);}
  .btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-outline:hover{background:var(--ink);color:#fff;}
  .btn-outline:hover::before{transform:translateX(-101%);}
  .btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
  .btn-light:hover{border-color:var(--lime);color:var(--lime);}
  .btn-light:hover::before{transform:translateX(-101%);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:700;letter-spacing:.08em;
    padding:5px 12px;border-radius:var(--r-p);
    background:rgba(198,242,78,.28);
    color:#20452F;
    border:1px solid rgba(15,42,34,.16);
  }
  .badge-orange{
    background:rgba(255,107,53,.12);
    color:#B8431A;
    border-color:rgba(255,107,53,.28);
  }
  .tag{
    display:inline-flex;align-items:center;
    font-size:12px;letter-spacing:.06em;
    padding:4px 10px;border-radius:var(--r-s);
    background:#F1F2EE;color:var(--muted);
    border:1px solid var(--line);
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);
    padding-top:28px;
  }
  .breadcrumb a{color:var(--muted);transition:color var(--dur) var(--ease);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{color:#C3C9C4;}
  .breadcrumb .current{color:var(--ink-2);font-weight:700;}

  /* ---------- Hero ---------- */
  .hero{padding:24px 0 96px;}
  .hero-grid{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:56px;
    align-items:center;
    margin-top:36px;
  }
  .hero h1{
    font-size:clamp(34px,5vw,60px);
    font-weight:800;
    line-height:1.12;
    color:var(--ink);
    margin-top:18px;
  }
  .hero h1 .hl{
    position:relative;
    display:inline-block;
  }
  .hero h1 .hl::after{
    content:"";position:absolute;left:0;bottom:6px;height:10px;width:100%;
    background:rgba(198,242,78,.55);z-index:-1;border-radius:3px;
  }
  .hero-lead{
    margin-top:22px;
    font-size:18px;
    line-height:1.85;
    color:#3A443F;
    max-width:600px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-points{
    display:flex;flex-wrap:wrap;gap:10px 26px;
    margin-top:34px;padding-top:22px;
    border-top:1px solid var(--line);
    font-size:14px;color:var(--muted);
  }
  .hero-points span{display:inline-flex;align-items:center;gap:8px;}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
  .hero-media{
    border-radius:var(--r-l);
    overflow:hidden;
    background:#EDEEEA;
    border:1px solid var(--line);
    box-shadow:var(--sh-2);
    aspect-ratio:16/9;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:72px 0;}
  .section-head{max-width:760px;}
  .section-head h2{
    font-size:clamp(26px,3.2vw,40px);
    font-weight:700;
    line-height:1.2;
    color:var(--ink);
  }
  .section-head p{margin-top:16px;font-size:16px;color:var(--muted);}
  .eyebrow{
    font-size:12px;letter-spacing:.16em;font-weight:700;
    color:var(--ink-2);text-transform:uppercase;
  }

  /* ---------- 三条价值点 ---------- */
  .value-row{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .value-item{padding:40px 36px;border-right:1px solid var(--line);}
  .value-item:last-child{border-right:0;}
  .value-num{
    font-size:34px;font-weight:800;color:var(--ink);
    font-variant-numeric:tabular-nums;
    letter-spacing:-0.02em;
  }
  .value-num em{font-style:normal;color:var(--lime);background:var(--ink);padding:0 6px;border-radius:4px;font-size:20px;margin-left:6px;}
  .value-item h3{margin-top:16px;font-size:20px;font-weight:600;color:var(--ink);}
  .value-item p{margin-top:10px;font-size:15px;color:var(--muted);}

  /* ---------- 目录 + 条目 ---------- */
  .catalog-grid{
    display:grid;
    grid-template-columns:260px 1fr;
    gap:56px;
    align-items:start;
    margin-top:44px;
  }
  .toc{position:sticky;top:96px;}
  .toc-title{
    font-size:12px;letter-spacing:.14em;font-weight:700;
    color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line);
  }
  .toc a{
    display:flex;gap:10px;align-items:baseline;
    padding:12px 0 12px 14px;
    font-size:14px;color:var(--muted);
    border-left:2px solid transparent;
    transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
  }
  .toc a span{font-variant-numeric:tabular-nums;font-size:12px;color:#A6AEA9;}
  .toc a:hover,.toc a.active{color:var(--ink);border-left-color:var(--lime);background:#F1F2EE;}
  .toc a:hover span,.toc a.active span{color:var(--ink-2);}

  .entries{display:flex;flex-direction:column;gap:20px;}
  .entry{
    display:grid;
    grid-template-columns:56px 1fr;
    gap:24px;
    padding:32px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-1);
    transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
    scroll-margin-top:110px;
  }
  .entry:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--sh-2);}
  .entry-num{
    width:56px;height:56px;border-radius:14px;
    background:var(--lime);color:var(--ink);
    display:flex;align-items:center;justify-content:center;
    font-size:20px;font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .entry h3{font-size:21px;font-weight:700;color:var(--ink);}
  .entry p{margin-top:10px;font-size:15px;color:var(--muted);}
  .points{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:18px;}
  .points li{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:#38423D;
    background:#F4F5F1;border:1px solid var(--line);
    padding:6px 12px;border-radius:var(--r-p);
  }
  .points li::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--ink-2);flex-shrink:0;
  }
  .entry-note{
    margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
    font-size:13px;color:var(--muted);
    display:flex;align-items:center;gap:10px;
  }
  .entry-note b{color:var(--ink-2);}

  /* ---------- 深色区块 ---------- */
  .dark-band{
    background:var(--ink);
    color:#fff;
    padding:96px 0;
  }
  .dark-band .eyebrow{color:var(--lime);}
  .dark-band h2{
    font-size:clamp(26px,3.2vw,40px);
    font-weight:700;line-height:1.2;color:#fff;margin-top:14px;
  }
  .dark-band .lead{margin-top:16px;color:rgba(255,255,255,.72);max-width:620px;}
  .dark-grid{
    display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;margin-top:48px;
  }
  .dark-media{
    border-radius:var(--r-l);overflow:hidden;background:#0A1F1A;
    border:1px solid rgba(255,255,255,.10);
    aspect-ratio:4/3;
  }
  .dark-media img{width:100%;height:100%;object-fit:cover;}
  .dark-list{display:flex;flex-direction:column;}
  .dark-item{
    padding:22px 0;border-bottom:1px solid rgba(255,255,255,.12);
    display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:start;
  }
  .dark-item:first-child{border-top:1px solid rgba(255,255,255,.12);}
  .dark-item dt{font-size:13px;letter-spacing:.08em;color:var(--lime);font-weight:700;}
  .dark-item dd{margin:0;font-size:15px;color:rgba(255,255,255,.78);}

  /* ---------- FAQ ---------- */
  .faq{max-width:880px;margin-top:40px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;background:transparent;border:0;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:600;color:var(--ink);
    transition:color var(--dur) var(--ease);
  }
  .faq-q:hover{color:var(--ink-2);}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);color:var(--ink-2);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;line-height:1;transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
  .faq-a{
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height 320ms var(--ease),opacity 220ms var(--ease),padding var(--dur) var(--ease);
  }
  .faq-item.open .faq-a{max-height:420px;opacity:1;padding-bottom:22px;}
  .faq-a p{font-size:15px;color:var(--muted);max-width:760px;}

  /* ---------- CTA 条纹 ---------- */
  .cta-stripe{background:var(--ink-2);color:#fff;padding:76px 0;}
  .cta-inner{
    display:flex;flex-wrap:wrap;gap:32px;
    align-items:center;justify-content:space-between;
  }
  .cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:700;color:#fff;line-height:1.25;}
  .cta-inner p{margin-top:12px;color:rgba(255,255,255,.74);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- 卡片图片位（通用） ---------- */
  .media-card{
    border-radius:var(--r-m);overflow:hidden;background:#EDEEEA;
    border:1px solid var(--line);
  }
  .media-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:rgba(255,255,255,.7);
    padding:72px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .site-footer .brand-name{color:#fff;}
  .site-footer .brand-sub{color:rgba(255,255,255,.55);}
  .site-footer .brand-mark{background:rgba(255,255,255,.08);color:var(--lime);}
  .footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
  .footer-col h4{
    font-size:13px;letter-spacing:.12em;font-weight:700;
    color:var(--lime);margin-bottom:18px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:12px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--dur) var(--ease);}
  .footer-col a:hover{color:var(--lime);}
  .footer-col .plain{font-size:14px;color:rgba(255,255,255,.62);}
  .footer-bottom{
    margin-top:52px;padding-top:22px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.5);
  }

  /* ---------- 进入视口动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);}
  .reveal.is-in{opacity:1;transform:none;transition:opacity 520ms var(--ease),transform 520ms var(--ease);}

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

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{padding:0 32px;}
    .hero-grid{gap:40px;}
    .catalog-grid{grid-template-columns:220px 1fr;gap:40px;}
  }
  @media (max-width:1023px){
    .container{padding:0 24px;}
    .nav-links{display:none;}
    .nav-search{display:none;}
    .link-login{display:none;}
    .header-tools .btn-sm{display:none;}
    .nav-toggle{display:inline-flex;}
    .hero{padding:12px 0 72px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-media{order:-1;}
    .section{padding:72px 0;}
    .dark-band{padding:72px 0;}
    .value-row{grid-template-columns:1fr;border-bottom:0;}
    .value-item{border-right:0;border-bottom:1px solid var(--line);padding:28px 0;}
    .value-item:last-child{border-bottom:1px solid var(--line);}
    .catalog-grid{grid-template-columns:1fr;gap:32px;}
    .toc{position:static;display:flex;flex-wrap:wrap;gap:8px;padding-bottom:8px;}
    .toc-title{width:100%;border-bottom:0;padding-bottom:0;}
    .toc a{border:1px solid var(--line);border-radius:var(--r-p);padding:8px 14px;background:var(--card);}
    .toc a:hover,.toc a.active{border-left-color:var(--line);background:#F1F2EE;}
    .dark-grid{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .container{padding:0 16px;}
    .hero h1{font-size:clamp(30px,8vw,40px);}
    .hero-lead{font-size:16px;}
    .section{padding:56px 0;}
    .dark-band,.cta-stripe{padding:56px 0;}
    .entry{grid-template-columns:1fr;padding:24px;gap:16px;}
    .entry-num{width:44px;height:44px;font-size:17px;border-radius:12px;}
    .dark-item{grid-template-columns:1fr;gap:8px;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
    .hero-actions .btn{width:100%;}
  }
  @media (max-width:519px){
    .brand-sub{display:none;}
    .points li{font-size:12px;}
  }

/* roulang page: category2 */
:root{
  --ink:#14181A;
  --ink-2:#5B6560;
  --ink-3:#37413C;
  --line:#E4E6E1;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --green:#0F2A22;
  --green-2:#16402F;
  --lime:#C6F24E;
  --lime-soft:#EEF5DC;
  --lime-line:#D7E6B0;
  --orange:#FF6B35;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:20px;
  --radius-xl:28px;
  --shadow-1:0 1px 2px rgba(15,42,34,.06);
  --shadow-2:0 12px 28px rgba(15,42,34,.10);
  --container:1240px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,247,244,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 18px rgba(15,42,34,.06);background:rgba(247,247,244,.98)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-name{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.15}
.brand-sub{display:block;font-size:11px;letter-spacing:.1em;color:var(--ink-2);line-height:1.3}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:15px;color:var(--ink-3);text-decoration:none;
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--green);background:rgba(15,42,34,.045)}
.nav-link.active{color:var(--green);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:236px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(198,242,78,.35)}
.search-box svg{flex:0 0 auto;color:var(--ink-2)}
.search-box input{
  width:100%;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:#98A29C}
.btn-text{
  font-size:15px;color:var(--ink-3);text-decoration:none;padding:8px 6px;
  border-radius:8px;transition:color .18s ease;
}
.btn-text:hover{color:var(--green)}
.menu-toggle{
  display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green)}
.mobile-drawer{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s cubic-bezier(.2,.7,.2,1),background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--green);border-color:var(--lime)}
.btn-primary:hover{background:#B6E63C;border-color:#B6E63C;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--green);border-color:var(--green)}
.btn-secondary:hover{background:var(--green);color:#fff}
.btn-secondary.on-dark{color:#fff;border-color:rgba(255,255,255,.5)}
.btn-secondary.on-dark:hover{background:#fff;color:var(--green);border-color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--green);text-decoration:none;padding:6px 0;border:0;background:none;cursor:pointer;
}
.btn-ghost svg{transition:transform .2s ease}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-block{width:100%}

/* ============ 通用排版 ============ */
.section{padding:104px 0}
.section-tight{padding:76px 0}
.section-head{max-width:760px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--green-2);
  background:var(--lime-soft);border:1px solid var(--lime-line);
  padding:6px 12px;border-radius:999px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--green-2)}
.h1{font-size:clamp(34px,4.6vw,62px);font-weight:800;line-height:1.12;letter-spacing:-.015em}
.h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.h3{font-size:21px;font-weight:600;line-height:1.4;letter-spacing:-.005em}
.lead{font-size:17px;color:var(--ink-2);line-height:1.9}
.section-head p{font-size:16px;color:var(--ink-2);margin-top:18px;max-width:680px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 面包屑 ============ */
.breadcrumb{padding-top:28px;font-size:13px;color:var(--ink-2)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#AEB7B1}
.breadcrumb a{text-decoration:none;color:var(--ink-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .current{color:var(--green);font-weight:600}

/* ============ Hero ============ */
.hero{padding:36px 0 92px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.hero-copy .lead{margin-top:22px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-point{min-width:132px}
.hero-point .k{font-size:12px;letter-spacing:.1em;color:var(--ink-2)}
.hero-point .v{font-size:24px;font-weight:800;line-height:1.3;margin-top:4px}
.hero-visual{
  position:relative;border-radius:var(--radius-l);overflow:hidden;background:#EDEEEA;
  aspect-ratio:16/11;box-shadow:var(--shadow-2);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,42,34,0) 42%,rgba(15,42,34,.42) 100%);
}
.hero-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);color:var(--green);
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}

/* ============ 场景速览条 ============ */
.scene-index{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.scene-index-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.scene-index a{
  display:block;padding:26px 24px;text-decoration:none;border-right:1px solid var(--line);
  transition:background .2s ease;
}
.scene-index a:last-child{border-right:0}
.scene-index a:hover{background:#FBFCF7}
.scene-index .no{font-size:13px;color:var(--orange);letter-spacing:.08em;font-weight:700}
.scene-index .ti{display:block;font-size:17px;font-weight:600;margin-top:8px;color:var(--ink)}
.scene-index .de{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.7}

/* ============ 场景交替块 ============ */
.scenes{display:flex;flex-direction:column;gap:96px}
.scene-block{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.scene-block:nth-child(even) .scene-media{order:2}
.scene-media{
  position:relative;border-radius:var(--radius-l);overflow:hidden;background:#EDEEEA;
  aspect-ratio:4/3;box-shadow:var(--shadow-1);
}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.scene-block:hover .scene-media img{transform:scale(1.03)}
.scene-body .scene-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:16px;background:var(--green);color:var(--lime);
  font-size:19px;font-weight:800;letter-spacing:.02em;margin-bottom:20px;
}
.scene-body .h3{margin-bottom:14px}
.scene-body p{color:var(--ink-2);font-size:16px}
.points{margin-top:22px;display:grid;gap:12px}
.points li{position:relative;padding-left:20px;font-size:16px;color:var(--ink-3)}
.points li::before{
  content:"";position:absolute;left:0;top:9px;width:4px;height:15px;border-radius:2px;
  background:var(--lime);box-shadow:inset 0 0 0 1px rgba(15,42,34,.12);
}
.scene-body .btn-ghost{margin-top:26px}

/* ============ 深色参数区 ============ */
.dark-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:var(--green);color:#fff;padding:64px;
}
.dark-panel .glow{
  position:absolute;right:-120px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.20),rgba(198,242,78,0) 68%);
  pointer-events:none;
}
.dark-panel .lines{
  position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:120px 100%;
}
.dark-grid{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.dark-panel .h2{color:#fff}
.dark-panel .lead{color:#B7C7BE;margin-top:18px;font-size:16px}
.spec-list{display:grid;gap:14px}
.spec-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  border-radius:14px;padding:18px 22px;transition:border-color .2s ease,background .2s ease;
}
.spec-item:hover{border-color:rgba(198,242,78,.5);background:rgba(255,255,255,.07)}
.spec-item dt{font-size:14px;color:#9DB3A8;letter-spacing:.04em}
.spec-item dd{font-size:17px;font-weight:700;color:#fff;text-align:right;margin:0}
.dark-note{
  position:relative;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:14px;color:#9DB3A8;
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:26px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--green-2)}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);transition:background .2s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green-2);
  transform:translate(-50%,-50%);transition:transform .25s ease,background .2s ease;
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px}
.faq-item.open .faq-icon{background:var(--lime);border-color:var(--lime)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.2,.7,.2,1)}
.faq-a p{margin:0 0 28px;font-size:15px;color:var(--ink-2);max-width:780px;line-height:1.9}
.faq-item.open .faq-a{max-height:400px}

/* ============ CTA 条纹 ============ */
.cta-strip{background:var(--green-2);color:#fff;padding:76px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner .h2{color:#fff;max-width:640px}
.cta-inner p{color:#B7C7BE;margin-top:14px;font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:#D8E2DC;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:#9DB3A8}
.site-footer .brand-mark{background:rgba(198,242,78,.14);color:var(--lime)}
.footer-desc{font-size:14px;line-height:1.85;color:#A9BCB2;max-width:330px;margin-top:20px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:#8FA69A;font-weight:600;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:#D8E2DC;text-decoration:none;transition:color .18s ease}
.footer-col a:hover{color:var(--lime)}
.footer-col .plain{font-size:14px;color:#A9BCB2;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:56px;padding:24px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA69A;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 32px}
  .search-box{width:200px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links,.header-actions .search-box,.header-actions .btn-text{display:none}
  .menu-toggle{display:flex}
  .mobile-drawer{
    display:block;position:absolute;left:0;right:0;top:68px;
    background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.2,1);
  }
  .mobile-drawer.open{max-height:560px;box-shadow:var(--shadow-2)}
  .drawer-links{display:grid;gap:4px;padding:18px 0 8px}
  .drawer-links a{
    display:block;padding:13px 4px;font-size:16px;color:var(--ink-3);
    text-decoration:none;border-bottom:1px solid var(--line);
  }
  .drawer-links a.active{color:var(--green);font-weight:700}
  .drawer-actions{display:grid;gap:12px;padding:18px 0 24px}
  .section{padding:76px 0}
  .section-tight{padding:60px 0}
  .hero{padding:24px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{aspect-ratio:16/10;order:-1}
  .scene-index-inner{grid-template-columns:repeat(2,1fr)}
  .scene-index a:nth-child(2){border-right:0}
  .scene-index a:nth-child(1),.scene-index a:nth-child(2){border-bottom:1px solid var(--line)}
  .scene-block{grid-template-columns:1fr;gap:32px}
  .scene-block:nth-child(even) .scene-media{order:0}
  .scenes{gap:72px}
  .dark-panel{padding:44px 32px}
  .dark-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 16px}
  .header-inner{height:62px;gap:12px}
  .mobile-drawer{top:62px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .hero{padding:18px 0 56px}
  .hero-points{gap:20px}
  .hero-point{min-width:110px}
  .hero-point .v{font-size:20px}
  .hero-actions .btn{width:100%}
  .scene-index-inner{grid-template-columns:1fr}
  .scene-index a{border-right:0;border-bottom:1px solid var(--line)}
  .scene-index a:last-child{border-bottom:0}
  .dark-panel{padding:34px 20px;border-radius:20px}
  .spec-item{flex-direction:column;align-items:flex-start;gap:6px}
  .spec-item dd{text-align:left}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
    --ink:#0F2A22;
    --ink-2:#16402F;
    --lime:#C6F24E;
    --orange:#FF6B35;
    --paper:#F7F7F4;
    --card:#FFFFFF;
    --line:#E4E6E1;
    --text:#14181A;
    --muted:#5B6560;
    --soft:#F1F2EE;
    --r-sm:6px;
    --r-md:12px;
    --r-lg:20px;
    --shadow-1:0 1px 2px rgba(15,42,34,.06);
    --shadow-2:0 12px 28px rgba(15,42,34,.10);
    --ease:cubic-bezier(.2,.7,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  ul{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
  p{margin:0}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
  @media (max-width:1023px){ .container{padding:0 24px} }
  @media (max-width:639px){ .container{padding:0 16px} }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,247,244,.94);
    backdrop-filter:saturate(140%) blur(6px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{height:68px;display:flex;align-items:center;gap:20px;justify-content:space-between}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
    display:grid;place-items:center;flex-shrink:0;
  }
  .brand-name{display:block;font-weight:800;font-size:16px;line-height:1.15;letter-spacing:-.01em;color:var(--ink)}
  .brand-sub{display:block;font-size:12px;line-height:1.3;color:var(--muted);letter-spacing:.08em}

  .nav-links{display:flex;align-items:center;gap:4px}
  .nav-link{
    position:relative;padding:9px 12px;border-radius:999px;font-size:15px;color:#2F3733;
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{background:#EEF0EA;color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--ink);font-weight:600}
  .nav-link.active::after{transform:scaleX(1)}

  .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .search-box{
    display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 14px;
    border:1px solid var(--line);border-radius:999px;background:#fff;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.5)}
  .search-box svg{flex-shrink:0;color:var(--muted)}
  .search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px}
  .search-box input::placeholder{color:#98A29C}

  .menu-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
    background:#fff;align-items:center;justify-content:center;cursor:pointer;
  }
  .menu-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

  .mobile-drawer{
    display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 24px;
  }
  .mobile-drawer.open{display:block}
  .mobile-drawer .m-link{
    display:block;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--line);color:#2F3733;
  }
  .mobile-drawer .m-link.active{color:var(--ink);font-weight:700}
  .mobile-drawer .m-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}

  @media (max-width:1023px){
    .nav-links,.search-box,.header-actions .btn,.header-actions .link-login{display:none}
    .menu-toggle{display:flex}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,42,34,.18)}
  .btn-primary:active{transform:translateY(0)}
  .btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
  .btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
  .btn-light-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
  .btn-light-outline:hover{background:#fff;color:var(--ink);border-color:#fff}
  .btn-sm{height:38px;padding:0 18px;font-size:14px}
  .link-login{font-size:15px;color:#2F3733;padding:8px 6px;border-radius:8px}
  .link-login:hover{color:var(--ink)}
  .link-login:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
  .link-arrow svg{transition:transform .22s var(--ease)}
  .link-arrow:hover svg{transform:translateX(4px)}
  .link-arrow:hover{color:#2E6B3F}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
    font-size:12px;letter-spacing:.08em;border:1px solid var(--line);background:var(--soft);color:var(--muted);
  }
  .badge-lime{border-color:rgba(198,242,78,.55);background:rgba(198,242,78,.16);color:#3F6B12}
  .badge-onDark{border-color:rgba(198,242,78,.45);background:rgba(198,242,78,.14);color:var(--lime)}
  .badge-orange{border-color:rgba(255,107,53,.38);background:rgba(255,107,53,.12);color:#B23C11}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9FB0A6;flex-wrap:wrap}
  .breadcrumb a{color:#C7D5CD}
  .breadcrumb a:hover{color:var(--lime)}
  .breadcrumb .sep{opacity:.6}
  .breadcrumb .current{color:var(--lime)}

  /* ---------- Hero ---------- */
  .page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:76px 0 92px}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
    opacity:.26;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(15,42,34,.94) 0%,rgba(15,42,34,.78) 48%,rgba(22,64,47,.62) 100%);
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;margin-top:26px}
  .hero-title{
    color:#fff;font-size:clamp(32px,4.4vw,58px);line-height:1.14;letter-spacing:-.015em;font-weight:800;margin-bottom:20px;
  }
  .hero-title .hl{color:var(--lime)}
  .hero-sub{color:#CFDBD4;font-size:clamp(16px,1.4vw,19px);line-height:1.85;max-width:620px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
  .hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
  .hero-meta .hm-item{display:flex;flex-direction:column;gap:2px}
  .hero-meta .hm-num{font-size:22px;font-weight:800;color:var(--lime)}
  .hero-meta .hm-txt{font-size:13px;color:#A9BAB1;letter-spacing:.04em}
  .hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#EDEEEA;box-shadow:0 24px 48px rgba(0,0,0,.28)}
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .hero-figure figcaption{
    position:absolute;left:16px;bottom:16px;right:16px;background:rgba(15,42,34,.82);
    border-radius:10px;padding:10px 14px;font-size:13px;color:#DCE6E0;line-height:1.6;
  }
  @media (max-width:1023px){
    .page-hero{padding:56px 0 68px}
    .hero-inner{grid-template-columns:1fr;gap:32px}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0}
  .section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-ink{background:var(--ink);color:#D7E0DA}
  .section-head{max-width:760px;margin-bottom:48px}
  .eyebrow{font-size:12px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
  .section-ink .eyebrow{color:#8FA298}
  .section h2{font-size:clamp(25px,3vw,38px);line-height:1.22;font-weight:700}
  .section-ink h2{color:#fff}
  .section h2 .u{position:relative;display:inline-block}
  .section h2 .u::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:4px;
    background:rgba(198,242,78,.55);z-index:-1;
  }
  .lead{margin-top:18px;font-size:17px;color:var(--muted);line-height:1.9}
  .section-ink .lead{color:#A9BAB1}
  @media (max-width:1023px){ .section{padding:72px 0} }
  @media (max-width:639px){ .section{padding:56px 0} .section-head{margin-bottom:32px} }

  /* ---------- 数据条 ---------- */
  .stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;box-shadow:var(--shadow-1)}
  .stat-item{padding:30px 28px;border-right:1px solid var(--line);position:relative}
  .stat-item:last-child{border-right:0}
  .stat-item::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;background:var(--lime);opacity:0;transition:opacity .25s var(--ease)}
  .stat-item:hover::before{opacity:1}
  .stat-num{font-size:clamp(26px,2.6vw,34px);font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.02em}
  .stat-label{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
  @media (max-width:900px){
    .stat-bar{grid-template-columns:repeat(2,1fr)}
    .stat-item:nth-child(2){border-right:0}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  }
  @media (max-width:520px){
    .stat-bar{grid-template-columns:1fr}
    .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px}
    .stat-item:last-child{border-bottom:0}
  }

  /* ---------- 案例网格 ---------- */
  .case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
  .case-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
    display:flex;flex-direction:column;box-shadow:var(--shadow-1);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,42,34,.35)}
  .case-media{position:relative;background:#EDEEEA;overflow:hidden}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .case-card:hover .case-media img{transform:scale(1.03)}
  .case-media .case-tag{position:absolute;left:14px;top:14px}
  .case-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
  .case-title{font-size:20px;line-height:1.45;font-weight:700}
  .case-result{
    font-size:15px;color:#2E6B3F;background:rgba(198,242,78,.18);
    border-left:3px solid var(--lime);border-radius:0 8px 8px 0;padding:10px 14px;line-height:1.75;
  }
  .case-desc{font-size:15px;color:var(--muted);line-height:1.9}
  .case-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .case-source{font-size:12.5px;color:#8B968F}

  .case-a{grid-column:span 7}
  .case-a .case-media{aspect-ratio:16/9}
  .case-b{grid-column:span 5}
  .case-b .case-media{aspect-ratio:4/3}
  .case-c,.case-d{grid-column:span 6;flex-direction:row}
  .case-c .case-media,.case-d .case-media{width:42%;flex-shrink:0}
  .case-c .case-body,.case-d .case-body{padding:24px 24px 24px 22px}
  .case-c .case-title,.case-d .case-title{font-size:18px}

  @media (max-width:1023px){
    .case-a,.case-b,.case-c,.case-d{grid-column:span 12}
    .case-c,.case-d{flex-direction:column}
    .case-c .case-media,.case-d .case-media{width:100%;aspect-ratio:16/9}
  }

  /* ---------- 引言 ---------- */
  .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .quote-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px;
    display:flex;flex-direction:column;gap:18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .quote-mark{font-size:34px;line-height:1;color:var(--lime);font-weight:800}
  .quote-text{font-size:16px;color:var(--ink);line-height:1.9}
  .quote-from{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
  .quote-from strong{display:block;color:var(--ink);font-weight:600;font-size:14.5px}
  @media (max-width:1023px){ .quote-grid{grid-template-columns:1fr} }

  /* ---------- 路径步骤 ---------- */
  .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
  .step{padding-top:22px;border-top:2px solid var(--line);transition:border-color .25s var(--ease)}
  .step:hover{border-color:var(--lime)}
  .step-num{font-size:44px;font-weight:800;color:var(--lime);line-height:1;letter-spacing:-.03em}
  .step-title{margin-top:14px;font-size:19px;font-weight:700}
  .step-text{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.9}
  @media (max-width:1023px){ .step-grid{grid-template-columns:1fr;gap:26px} }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
    padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--ink);font-size:16px;line-height:1;transition:transform .25s var(--ease),background .25s var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
  .faq-answer{padding:0 0 24px;font-size:15.5px;color:var(--muted);line-height:1.95;max-width:760px}

  /* ---------- CTA 条纹 ---------- */
  .cta-band{background:var(--ink-2);color:#fff;padding:64px 0;position:relative;overflow:hidden}
  .cta-band::before{
    content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
    border:1px solid rgba(198,242,78,.22);
  }
  .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
  .cta-title{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff;line-height:1.3}
  .cta-text{margin-top:10px;font-size:16px;color:#B9C7BF;max-width:620px}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#B9C7BF;padding:72px 0 28px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
  .site-footer .brand-name{color:#fff}
  .site-footer .brand-sub{color:#8FA298}
  .footer-desc{margin-top:18px;font-size:14px;color:#9FB0A6;line-height:1.95;max-width:330px}
  .footer-col h4{font-size:13px;letter-spacing:.12em;color:#fff;margin-bottom:16px;font-weight:700}
  .footer-col li a,.footer-col li .plain{display:block;font-size:14px;color:#AFBEB5;padding:5px 0;line-height:1.8;transition:color .2s var(--ease)}
  .footer-col li a:hover{color:var(--lime)}
  .footer-bottom{
    margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FA298;
  }
  @media (max-width:1023px){
    .site-footer{padding:56px 0 24px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:639px){
    .footer-grid{grid-template-columns:1fr}
  }

  /* ---------- 进入视口动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .reveal{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category4 */
:root{
    --ink:#0F2A22;
    --ink-2:#16402F;
    --lime:#C6F24E;
    --lime-deep:#B8E63C;
    --orange:#FF6B35;
    --paper:#F7F7F4;
    --paper-2:#F1F2EE;
    --card:#FFFFFF;
    --line:#E4E6E1;
    --text:#14181A;
    --muted:#5B6560;
    --r-sm:6px;
    --r-md:12px;
    --r-lg:20px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,42,34,.06);
    --sh-2:0 12px 28px rgba(15,42,34,.10);
    --container:1240px;
    --ease:cubic-bezier(.2,.7,.2,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4,p{margin:0;}
  svg{flex-shrink:0;}

  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:var(--r-sm);
  }

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 40px;
  }

  /* ================= 顶部导航 ================= */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(247,247,244,.97);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(130%) blur(6px);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    gap:18px;
    height:68px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:34px;
    height:34px;
    border-radius:10px;
    background:var(--ink);
    color:var(--lime);
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
  }
  .brand-name{
    font-size:16px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .brand-sub{
    font-size:11px;
    color:var(--muted);
    letter-spacing:.12em;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:10px;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 12px;
    font-size:15px;
    color:#38453f;
    transition:color .2s var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--ink);font-weight:700;}
  .nav-link.active::after{transform:scaleX(1);}

  .nav-actions{
    display:flex;
    align-items:center;
    gap:12px;
    margin-left:auto;
  }
  .search-box{
    display:flex;
    align-items:center;
    gap:8px;
    width:236px;
    height:38px;
    padding:0 14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    color:var(--muted);
    cursor:text;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box:focus-within{
    border-color:var(--ink);
    box-shadow:0 0 0 3px rgba(198,242,78,.35);
  }
  .search-box input{
    flex:1;
    min-width:0;
    border:0;
    outline:0;
    background:transparent;
    font-size:14px;
  }
  .btn-login{
    font-size:15px;
    color:var(--ink-2);
    padding:6px 4px;
    transition:color .2s var(--ease);
  }
  .btn-login:hover{color:var(--ink);}

  .nav-toggle{
    display:none;
    width:42px;
    height:38px;
    margin-left:auto;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    cursor:pointer;
    padding:0;
  }
  .nav-toggle span{
    display:block;
    width:18px;
    height:2px;
    margin:3px auto;
    border-radius:2px;
    background:var(--ink);
    transition:transform .2s var(--ease),opacity .2s var(--ease);
  }
  .nav-toggle.open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

  .mobile-drawer{
    display:none;
    background:var(--card);
    border-top:1px solid var(--line);
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer .container{
    display:flex;
    flex-direction:column;
    padding-top:8px;
    padding-bottom:20px;
  }
  .drawer-link{
    padding:14px 2px;
    font-size:15px;
    color:#38453f;
    border-bottom:1px solid var(--line);
  }
  .drawer-link.active{color:var(--ink);font-weight:700;}
  .drawer-actions{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
    margin-top:18px;
  }

  /* ================= 通用按钮 ================= */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 22px;
    border-radius:var(--r-pill);
    border:1px solid transparent;
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);box-shadow:var(--sh-2);}
  .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
  .btn-outline:hover{background:var(--ink);color:#fff;}
  .btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
  .btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}

  /* ================= 面包屑 ================= */
  .breadcrumb{
    font-size:13px;
    color:var(--muted);
    padding:22px 0 0;
  }
  .breadcrumb a{transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{margin:0 8px;color:#b9c0bb;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  /* ================= Hero ================= */
  .hero{
    position:relative;
    margin-top:20px;
    border-radius:var(--r-lg);
    overflow:hidden;
    background:var(--ink);
    color:#fff;
  }
  .hero-bg{
    position:absolute;
    inset:0;
    background-image:url(/assets/images/backpic/back-1.webp);
    background-size:cover;
    background-position:center;
    opacity:.34;
  }
  .hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(100deg,rgba(15,42,34,.94) 8%,rgba(15,42,34,.72) 58%,rgba(15,42,34,.42) 100%);
  }
  .hero-inner{
    position:relative;
    z-index:2;
    padding:76px 56px;
    max-width:840px;
  }
  .hero-tag{
    display:inline-block;
    padding:5px 14px;
    border:1px solid rgba(198,242,78,.5);
    background:rgba(198,242,78,.12);
    border-radius:var(--r-pill);
    font-size:12px;
    letter-spacing:.14em;
    color:var(--lime);
  }
  .hero h1{
    margin-top:22px;
    font-size:clamp(34px,5vw,60px);
    font-weight:800;
    line-height:1.12;
    letter-spacing:-.01em;
  }
  .hero-sub{
    margin-top:20px;
    font-size:17px;
    line-height:1.85;
    color:#cddbd3;
    max-width:620px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:34px;
  }
  .hero-stats{
    display:flex;
    flex-wrap:wrap;
    gap:0;
    margin-top:44px;
    padding-top:26px;
    border-top:1px solid rgba(255,255,255,.16);
  }
  .hero-stats .stat{
    padding:0 28px;
    border-left:1px solid rgba(255,255,255,.16);
  }
  .hero-stats .stat:first-child{padding-left:0;border-left:0;}
  .hero-stats strong{
    display:block;
    font-size:22px;
    font-weight:800;
    color:var(--lime);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .hero-stats span{
    display:block;
    margin-top:4px;
    font-size:13px;
    color:#9fb3aa;
  }

  /* ================= 板块 ================= */
  .section{padding:100px 0;}
  .section-alt{
    background:var(--card);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .section-head{max-width:780px;margin-bottom:48px;}
  .eyebrow{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.18em;
    color:var(--ink-2);
  }
  .section-title{
    margin-top:14px;
    font-size:clamp(26px,3.2vw,40px);
    font-weight:800;
    line-height:1.22;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .section-sub{
    margin-top:16px;
    font-size:17px;
    color:var(--muted);
    max-width:720px;
  }

  /* ================= 价格卡 ================= */
  .plan-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    align-items:stretch;
  }
  .plan-card{
    position:relative;
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:34px 30px;
    box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .plan-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--sh-2);
    border-color:var(--ink);
  }
  .plan-card.featured{
    background:var(--ink);
    border-color:var(--ink);
    color:#fff;
  }
  .plan-badge{
    position:absolute;
    top:24px;
    right:24px;
    padding:4px 12px;
    border-radius:var(--r-pill);
    background:var(--orange);
    color:#fff;
    font-size:12px;
    font-weight:700;
    letter-spacing:.08em;
  }
  .plan-name{
    font-size:21px;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .plan-card.featured .plan-name{color:#fff;}
  .plan-desc{
    margin-top:12px;
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
    min-height:76px;
  }
  .plan-card.featured .plan-desc{color:#a7b9b0;}
  .plan-price{
    margin-top:20px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  .plan-card.featured .plan-price{border-top-color:rgba(255,255,255,.18);}
  .plan-amount{
    font-size:26px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
    font-variant-numeric:tabular-nums;
  }
  .plan-card.featured .plan-amount{color:var(--lime);}
  .plan-price small{
    font-size:13px;
    color:var(--muted);
  }
  .plan-card.featured .plan-price small{color:#95a89f;}
  .plan-features{
    margin-top:22px;
    display:flex;
    flex-direction:column;
    gap:12px;
    flex:1;
  }
  .plan-features li{
    position:relative;
    padding-left:26px;
    font-size:14.5px;
    color:#2b3733;
    line-height:1.7;
  }
  .plan-card.featured .plan-features li{color:#cddbd3;}
  .plan-features li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:12px;
    height:7px;
    border-left:2px solid var(--ink-2);
    border-bottom:2px solid var(--ink-2);
    transform:rotate(-45deg);
  }
  .plan-card.featured .plan-features li::before{
    border-left-color:var(--lime);
    border-bottom-color:var(--lime);
  }
  .plan-btn{margin-top:28px;}

  /* ================= 对比表 ================= */
  .compare-wrap{
    overflow-x:auto;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
  }
  table.compare{
    width:100%;
    min-width:660px;
    border-collapse:collapse;
  }
  .compare th,
  .compare td{
    padding:16px 22px;
    font-size:15px;
    text-align:left;
    border-bottom:1px solid var(--line);
  }
  .compare thead th{
    background:var(--paper-2);
    font-size:13px;
    letter-spacing:.06em;
    color:var(--ink-2);
    font-weight:700;
    white-space:nowrap;
  }
  .compare tbody th{
    font-weight:600;
    color:var(--ink);
    background:#fbfcfa;
    white-space:nowrap;
  }
  .compare td{color:var(--muted);}
  .compare tr:last-child th,
  .compare tr:last-child td{border-bottom:0;}
  .compare .yes{color:var(--ink-2);font-weight:700;}
  .compare .no{color:#b4bcb6;}

  /* ================= 流程 + 图文 ================= */
  .split{
    display:grid;
    grid-template-columns:0.95fr 1.05fr;
    gap:56px;
    align-items:center;
  }
  .split-media{
    border-radius:var(--r-lg);
    overflow:hidden;
    background:#EDEEEA;
    border:1px solid var(--line);
  }
  .split-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
  }
  .steps{
    display:flex;
    flex-direction:column;
    gap:26px;
  }
  .step{
    display:flex;
    gap:18px;
    padding-bottom:24px;
    border-bottom:1px solid var(--line);
  }
  .step:last-child{border-bottom:0;padding-bottom:0;}
  .step-no{
    flex-shrink:0;
    width:44px;
    height:44px;
    border-radius:var(--r-md);
    background:var(--paper-2);
    border:1px solid var(--line);
    color:var(--ink);
    font-weight:800;
    font-size:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-variant-numeric:tabular-nums;
  }
  .step h3{
    font-size:18px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .step p{
    margin-top:8px;
    font-size:15px;
    color:var(--muted);
    line-height:1.85;
  }

  /* ================= FAQ ================= */
  .faq{
    border-top:1px solid var(--line);
    max-width:920px;
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 0;
    background:none;
    border:0;
    text-align:left;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--ink-2);}
  .faq-icon{
    position:relative;
    flex-shrink:0;
    width:22px;
    height:22px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    background:var(--ink-2);
    border-radius:2px;
    transition:transform .24s var(--ease),background .24s var(--ease);
  }
  .faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
  .faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-item.open .faq-icon::before{background:var(--ink);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .faq-a p{
    padding:0 44px 24px 0;
    font-size:15px;
    color:var(--muted);
    max-width:820px;
  }

  /* ================= 表单 ================= */
  .form-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:40px;
    box-shadow:var(--sh-1);
  }
  .form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:22px;
  }
  .field{
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .field.full{grid-column:1 / -1;}
  .field label{
    font-size:13px;
    font-weight:700;
    letter-spacing:.04em;
    color:var(--ink-2);
  }
  .field input,
  .field select,
  .field textarea{
    height:48px;
    padding:0 14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    font-size:15px;
    color:var(--text);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field textarea{
    height:auto;
    min-height:124px;
    padding:12px 14px;
    line-height:1.75;
    resize:vertical;
  }
  .field input::placeholder,
  .field textarea::placeholder{color:#9aa39d;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--ink);
    box-shadow:0 0 0 3px rgba(198,242,78,.35);
  }
  .form-foot{
    display:flex;
    align-items:center;
    gap:20px;
    margin-top:28px;
    flex-wrap:wrap;
  }
  .form-note{
    font-size:13px;
    color:var(--muted);
  }
  .form-msg{
    display:none;
    margin-top:18px;
    padding:14px 18px;
    border:1px solid rgba(198,242,78,.7);
    background:rgba(198,242,78,.18);
    border-radius:var(--r-sm);
    font-size:14px;
    color:var(--ink);
  }
  .form-msg.show{display:block;}

  .consult-layout{
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:48px;
    align-items:start;
  }
  .consult-aside{
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .aside-item{
    padding:22px 24px;
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--r-md);
  }
  .aside-item h3{
    font-size:16px;
    font-weight:700;
    color:var(--ink);
  }
  .aside-item p{
    margin-top:8px;
    font-size:14px;
    color:var(--muted);
    line-height:1.8;
  }

  /* ================= CTA 条 ================= */
  .cta-strip{
    background:var(--ink);
    color:#fff;
    border-radius:var(--r-lg);
    padding:56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    flex-wrap:wrap;
  }
  .cta-strip h2{
    font-size:clamp(24px,2.6vw,34px);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.01em;
  }
  .cta-strip p{
    margin-top:12px;
    font-size:16px;
    color:#bccbc4;
    max-width:560px;
  }
  .cta-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
  }

  /* ================= 页脚 ================= */
  .site-footer{
    background:var(--ink);
    color:#c9d6cf;
    margin-top:100px;
    padding:64px 0 24px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .footer-brand .brand-name{color:#fff;}
  .footer-brand .brand-sub{color:#8ea298;}
  .site-footer .brand-mark{
    background:rgba(198,242,78,.14);
    color:var(--lime);
  }
  .footer-desc{
    margin-top:18px;
    font-size:14px;
    line-height:1.85;
    color:#98aca3;
    max-width:340px;
  }
  .footer-col h4{
    font-size:14px;
    font-weight:700;
    letter-spacing:.08em;
    color:#fff;
    margin-bottom:18px;
  }
  .footer-col li{
    margin-bottom:11px;
    font-size:14px;
  }
  .footer-col a{
    color:#a9bcb3;
    transition:color .2s var(--ease);
  }
  .footer-col a:hover{color:var(--lime);}
  .footer-col .plain{color:#8fa39a;}
  .footer-bottom{
    margin-top:48px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:#8fa39a;
  }

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

  /* ================= 响应式 ================= */
  @media (max-width:1023px){
    .container{padding:0 24px;}
    .nav-links,
    .nav-actions{display:none;}
    .nav-toggle{display:block;}
    .section{padding:72px 0;}
    .hero-inner{padding:52px 32px;}
    .plan-grid{grid-template-columns:1fr 1fr;}
    .plan-card.featured{grid-column:1 / -1;}
    .split{grid-template-columns:1fr;gap:36px;}
    .consult-layout{grid-template-columns:1fr;gap:32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-strip{padding:40px 32px;}
    .form-card{padding:28px;}
  }

  @media (max-width:639px){
    .container{padding:0 16px;}
    body{font-size:15.5px;}
    .section{padding:56px 0;}
    .hero-inner{padding:38px 20px;}
    .hero-stats{gap:20px;}
    .hero-stats .stat{padding:0;border-left:0;}
    .hero-actions .btn{flex:1 1 100%;}
    .plan-grid{grid-template-columns:1fr;}
    .plan-desc{min-height:0;}
    .form-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-strip{padding:32px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 100%;}
    .faq-a p{padding-right:0;}
    .compare th,
    .compare td{padding:14px 16px;}
  }

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