/* roulang page: index */
:root{
  --ink:#0E1512;
  --lime:#C9F24D;
  --lime-deep:#7FA81F;
  --lava:#FF5C2B;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --t1:#111111;
  --t2:#3A3F3D;
  --t3:#6B716E;
  --t4:#A8AEAB;
  --line:#D8DAD6;
  --line-soft:#ECEEEA;
  --r-card:6px;
  --r-btn:4px;
  --r-pill:999px;
  --dur:.24s;
  --dur-fast:.16s;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 8px 24px rgba(14,21,18,.08);
  --container:1200px;
  --font-cn:"Noto Sans SC","HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","Inter Tight","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{color:var(--t1);letter-spacing:-.02em;line-height:1.3}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
section[id]{scroll-margin-top:112px}

/* ============ 通用工具 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-weight:700}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--t3);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:20px;
  background:#fff;
}
.pill{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:3px 12px;
  color:var(--t3);
  background:#fff;
  white-space:nowrap;
}
.pill--sm{font-size:11px;padding:2px 10px}
.pill--lime{border-color:var(--lime-deep);color:var(--lime-deep);background:#F5FBE3}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line);
  padding-bottom:4px;
  transition:border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease);
}
.link-more span{transition:transform var(--dur-fast) var(--ease)}
.link-more:hover{border-color:var(--ink)}
.link-more:hover span{transform:translateX(4px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),opacity var(--dur-fast) var(--ease);
}
.btn__arrow{transition:transform var(--dur-fast) var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn--primary{background:var(--ink);color:#F7F5F0}
.btn--primary:hover{background:var(--lime);color:var(--ink)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--line);color:var(--t1);background:#fff}
.btn--outline:hover{border-color:var(--ink);background:#F2F1EC}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:#fff;color:var(--ink)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}
.btn:disabled:hover,.btn[aria-disabled="true"]:hover{background:var(--ink);color:#F7F5F0}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:90;background:var(--card)}
.brandbar{border-bottom:1px solid var(--line);overflow:hidden;height:64px;transition:height var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.brandbar__inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--t1);letter-spacing:-.02em}
.logo__mark{width:14px;height:14px;border-radius:3px;background:var(--lime);flex:0 0 auto}
.brandbar__tools{margin-left:auto;display:flex;align-items:center;gap:18px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--t2);border:1px solid transparent;
  transition:border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease);
}
.icon-btn:hover{border-color:var(--line);color:var(--ink)}
.icon-btn svg{width:17px;height:17px}
.region-select{
  font-size:13px;color:var(--t2);
  border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 10px;height:38px;display:inline-flex;align-items:center;gap:6px;
  background:#fff;
  transition:border-color var(--dur-fast) var(--ease);
}
.region-select:hover{border-color:var(--ink)}
.phone-link{font-size:13px;color:var(--t2);font-family:var(--font-num);letter-spacing:.04em;font-weight:600}
.phone-link:hover{color:var(--ink)}
.menu-toggle{
  display:none;width:40px;height:40px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--r-btn);
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--t1);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--t1)}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

.channelbar{border-bottom:1px solid var(--line);background:var(--card)}
.channelbar__inner{display:flex;align-items:stretch;gap:32px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:14px;color:var(--t2);white-space:nowrap;
  transition:color var(--dur-fast) var(--ease);
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--lava);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.channel:hover{color:var(--t1)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--t1);font-weight:600}
.channel.is-active::after{transform:scaleX(1)}
@media (min-width:769px){
  .site-header.is-scrolled .brandbar{height:0;opacity:0;border-bottom-color:transparent}
}

/* ============ 抽屉菜单 ============ */
.drawer{position:fixed;inset:0;z-index:120;background:rgba(14,21,18,.6);display:flex;justify-content:flex-end;opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease)}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer__panel{
  width:min(360px,86vw);height:100%;background:#fff;
  display:flex;flex-direction:column;
  padding:24px;transform:translateX(16px);
  transition:transform var(--dur) var(--ease);
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer__close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.drawer__nav{display:flex;flex-direction:column;margin-top:12px}
.drawer__nav a{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:16px;color:var(--t1);font-weight:500}
.drawer__nav a.is-active{color:var(--lava);font-weight:700}
.drawer__foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer__foot p{font-size:13px;color:var(--t3)}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;isolation:isolate;min-height:clamp(480px,64vh,660px);display:flex;align-items:center}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);z-index:-2}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,.78) 0%,rgba(14,21,18,.68) 60%,rgba(14,21,18,.82) 100%);z-index:-1}
.hero__inner{max-width:640px;padding-top:96px;padding-bottom:96px}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:#E8F6C4;
  border:1px solid rgba(201,242,77,.5);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:24px;background:rgba(201,242,77,.08);
}
.hero h1{
  color:#fff;font-weight:800;letter-spacing:-.02em;
  font-size:clamp(34px,4.4vw,52px);line-height:1.22;margin-bottom:22px;
}
.hero__sub{color:rgba(255,255,255,.78);font-size:17px;line-height:1.8;max-width:520px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* ============ 数据条 ============ */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:36px 24px 36px 0;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat__num{font-family:var(--font-num);font-size:40px;font-weight:700;color:var(--ink);line-height:1;letter-spacing:.01em;display:block}
.stat__num small{font-size:16px;font-weight:600;margin-left:2px;font-family:var(--font-cn)}
.stat__label{margin-top:10px;font-size:13px;color:var(--t3);letter-spacing:.02em}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section--paper{background:#fff}
.section--tight{padding-top:80px;padding-bottom:80px}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800}
.sec-head p{margin-top:14px;font-size:16px;color:var(--t3)}
.sec-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.sec-head--row > div{max-width:640px}

/* ============ 功能分组 ============ */
.feature-layout{display:grid;grid-template-columns:360px 1fr;gap:64px;align-items:start}
.feature-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;margin-bottom:16px}
.feature-head p{font-size:15px;color:var(--t3);margin-bottom:24px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.feature-item{padding:28px 0;border-bottom:1px solid var(--line-soft)}
.feature-item:nth-child(even){margin-top:56px}
.feature-item__num{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--lime-deep);line-height:1;margin-bottom:12px}
.feature-item h3{font-size:19px;font-weight:700;margin-bottom:8px}
.feature-item p{font-size:14.5px;color:var(--t3);line-height:1.8}

/* ============ 使用场景 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.scene + .scene{margin-top:88px}
.scene--flip .scene__media{order:2}
.scene__media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#F0F2EC}
.scene__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.scene:hover .scene__media img{transform:scale(1.02)}
.scene__body h3{font-size:24px;font-weight:800;margin-bottom:16px}
.scene__body p{font-size:15.5px;color:var(--t3);line-height:1.85}
.scene__points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.scene__points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--t2)}
.scene__points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:2px;background:var(--lime-deep)}

/* ============ 案例 ============ */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 32px;display:flex;flex-direction:column;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.case:hover{border-color:var(--ink);box-shadow:var(--shadow-card)}
.case__tag{font-size:12px;letter-spacing:.08em;color:var(--t3);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px;align-self:flex-start}
.case h3{font-size:21px;font-weight:800;margin:20px 0 16px;line-height:1.45}
.case__quote{
  font-size:15px;color:var(--t2);line-height:1.85;
  border-left:3px solid var(--lime);padding-left:16px;background:#FAFBF6;padding-top:10px;padding-bottom:10px;
}
.case__metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:auto;padding-top:28px;border-top:1px solid var(--line-soft)}
.case__metric strong{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink);line-height:1.1}
.case__metric span{font-size:12.5px;color:var(--t3)}

/* ============ 价格 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 28px;display:flex;flex-direction:column;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.plan:hover{border-color:var(--ink);box-shadow:var(--shadow-card)}
.plan--featured{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.8);margin-top:-16px;padding-top:48px}
.plan--featured h3,.plan--featured .plan__price{color:#fff}
.plan__badge{
  position:absolute;top:-13px;left:28px;
  background:var(--lava);color:#fff;font-size:12px;letter-spacing:.08em;
  padding:5px 14px;border-radius:var(--r-pill);
}
.plan h3{font-size:17px;font-weight:700;letter-spacing:.02em}
.plan__price{font-family:var(--font-num);font-size:46px;font-weight:700;color:var(--ink);line-height:1;margin:18px 0 6px}
.plan__price small{font-size:15px;font-family:var(--font-cn);font-weight:500;color:var(--t3);margin-left:4px}
.plan--featured .plan__price small{color:rgba(255,255,255,.6)}
.plan__desc{font-size:13.5px;color:var(--t3);min-height:44px}
.plan--featured .plan__desc{color:rgba(255,255,255,.62)}
.plan__list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px}
.plan__list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--t2)}
.plan--featured .plan__list li{color:rgba(255,255,255,.82)}
.plan__list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.plan .btn{margin-top:auto;width:100%}

/* ============ 最新信息（CMS） ============ */
.news-lead{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.news-lead:hover{border-color:var(--ink);box-shadow:var(--shadow-card)}
.news-lead__media{background:#EFF1EA;overflow:hidden}
.news-lead__media img{width:100%;height:100%;min-height:260px;object-fit:cover;transition:transform .5s var(--ease)}
.news-lead:hover .news-lead__media img{transform:scale(1.02)}
.news-lead__body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.news-meta__time{font-size:13px;color:var(--t3);font-family:var(--font-num);letter-spacing:.04em}
.news-lead__title{font-size:23px;font-weight:800;line-height:1.45;margin-bottom:14px}
.news-lead__desc{font-size:15px;color:var(--t3);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-flex;align-items:center;gap:8px;margin-top:24px;font-size:14px;font-weight:600;color:var(--ink)}
.news-more .arrow{transition:transform var(--dur-fast) var(--ease)}
.news-lead:hover .news-more .arrow{transform:translateX(4px)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.news-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 56px;display:flex;flex-direction:column;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.news-card:hover{border-color:var(--ink);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.news-card__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.news-card__time{font-size:12.5px;color:var(--t3);font-family:var(--font-num);letter-spacing:.04em}
.news-card__title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__desc{font-size:14px;color:var(--t3);line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__arrow{position:absolute;right:24px;bottom:22px;color:var(--t4);font-size:16px;transition:transform var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}
.news-card:hover .news-card__arrow{color:var(--ink);transform:translateX(4px)}
.cms-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:64px 32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.cms-empty__icon{
  width:44px;height:44px;border-radius:var(--r-card);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--t4);background:var(--bg);
}
.cms-empty p{font-size:15px;color:var(--t3)}

/* ============ FAQ ============ */
.faq{max-width:800px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  display:flex;align-items:center;gap:18px;
  padding:24px 0;cursor:pointer;list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__num{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--lime-deep);flex:0 0 30px}
.faq__q{font-size:18px;font-weight:600;color:var(--t1);line-height:1.55}
.faq__icon{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:auto}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--t1);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq__icon::before{left:0;right:0;top:7px;height:2px}
.faq__icon::after{top:0;bottom:0;left:7px;width:2px}
.faq__item[open] .faq__icon::after{transform:scaleY(0);opacity:0}
.faq__a{padding:0 0 26px 48px;max-width:720px}
.faq__a p{font-size:15px;line-height:1.85;color:var(--t3)}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--ink);color:rgba(255,255,255,.78);padding:80px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.35;max-width:640px}
.cta-band p{margin-top:14px;font-size:15.5px;max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-col--brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.56)}
.logo--footer{color:#fff;font-size:17px;font-weight:800}
.footer-col h3{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:20px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li,.footer-col a{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-col a{transition:color var(--dur-fast) var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:26px 0 32px;font-size:13px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.42)}
.footer-bottom a:hover{color:rgba(255,255,255,.75)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--dur) var(--ease),transform var(--dur) 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}
}

/* ============ 断点 ============ */
@media (max-width:1200px){
  .feature-layout{gap:44px;grid-template-columns:320px 1fr}
}
@media (max-width:992px){
  .section{padding:80px 0}
  .feature-layout{grid-template-columns:1fr;gap:40px}
  .feature-list{gap:0 32px}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:28px 20px;border-bottom:1px solid var(--line-soft)}
  .stat:nth-child(2n){border-right:0}
  .plan--featured{margin-top:0}
  .plans{grid-template-columns:1fr}
  .news-lead{grid-template-columns:1fr}
  .news-lead__media img{min-height:220px;aspect-ratio:16/9}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .brandbar__tools .region-select,.brandbar__tools .phone-link,.brandbar__tools .btn{display:none}
  .menu-toggle{display:inline-flex}
  .brandbar__inner{gap:12px}
  .channelbar__inner{gap:24px}
  .hero__inner{padding-top:72px;padding-bottom:72px}
  .hero__sub{font-size:15.5px}
  .scene{grid-template-columns:1fr;gap:28px}
  .scene--flip .scene__media{order:0}
  .scene + .scene{margin-top:56px}
  .cases{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .feature-item:nth-child(even){margin-top:0}
  .feature-list{grid-template-columns:1fr}
  .faq__a{padding-left:0}
  .cta-band{padding:64px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .section{padding:64px 0}
  .stats__grid{grid-template-columns:1fr}
  .stat{border-right:0;padding:22px 0}
  .short{font-size:13px}
  .news-lead__body{padding:26px 22px}
  .plan{padding:28px 22px}
  .case{padding:28px 22px}
  .case__metrics{gap:20px}
}

/* roulang page: category1 */
:root{
  --ink:#0E1512;
  --ink-2:#3A3F3D;
  --muted:#6B716E;
  --soft:#A8AEAB;
  --line:#D8DAD6;
  --line-2:#ECEEEA;
  --bg:#F7F5F0;
  --white:#FFFFFF;
  --lime:#C9F24D;
  --orange:#FF5C2B;
  --r-card:6px;
  --r-btn:4px;
  --r-pill:999px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
  --sp-8:128px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:240ms;
  --shadow-card:0 8px 24px rgba(14,21,18,.08);
  --font-cn:"Noto Sans SC","HarmonyOS Sans","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","Inter Tight",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-card)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.25}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:560px){.container{padding:0 16px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg)}
.topbar{border-bottom:1px solid var(--line);background:var(--bg);transition:transform var(--dur) var(--ease)}
.site-header.is-scrolled .topbar{transform:translateY(-100%);position:absolute;left:0;right:0;top:0}
.topbar__inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo__mark{width:12px;height:12px;background:var(--lime);border-radius:2px;flex:0 0 auto}
.logo--footer{color:#fff;font-size:17px}
.logo--footer .logo__mark{width:10px;height:10px}
.topbar__aside{display:flex;align-items:center;gap:20px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);background:transparent;cursor:pointer;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.icon-btn:hover{border-color:var(--ink);background:rgba(14,21,18,.04)}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.8}
.lang-switch{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;cursor:pointer;background:transparent;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.lang-switch:hover{border-color:var(--ink);color:var(--ink)}
.hotline{font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hotline strong{font-family:var(--font-num);font-size:17px;letter-spacing:.02em;color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:11px 22px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--primary{background:var(--ink);color:#F7F5F0}
.btn--primary:hover{background:var(--lime);color:var(--ink)}
.btn--ghost{border-color:var(--line);background:transparent;color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(14,21,18,.04)}
.btn--text{padding:0;background:none;color:var(--ink);font-weight:600}
.btn--text .arrow{transition:transform 160ms var(--ease)}
.btn--text:hover .arrow{transform:translateX(4px)}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:#fff;color:var(--ink)}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:transparent;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- channel bar ---------- */
.channelbar{background:var(--bg);border-bottom:1px solid var(--line)}
.site-header.is-scrolled .channelbar{box-shadow:0 1px 0 rgba(14,21,18,.04)}
.channelbar__inner{height:48px;display:flex;align-items:center;gap:32px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex:0 0 auto;font-size:15px;font-weight:500;color:var(--ink-2);padding:12px 0;transition:color var(--dur) var(--ease)}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease)}
.channel:hover{color:var(--ink)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--ink);font-weight:600}
.channel.is-active::after{transform:scaleX(1)}

/* ---------- mobile drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;background:var(--ink);color:#F7F5F0;display:flex;flex-direction:column;padding:24px;transform:translateX(100%);transition:transform 280ms var(--ease);visibility:hidden}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer__top{display:flex;align-items:center;justify-content:space-between}
.drawer__close{width:44px;height:44px;border:1px solid rgba(255,255,255,.24);border-radius:var(--r-btn);background:transparent;color:#fff;font-size:20px;cursor:pointer}
.drawer__links{margin-top:32px;display:flex;flex-direction:column;gap:4px}
.drawer__links a{font-size:19px;font-weight:600;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer__links a.is-active{color:var(--lime)}
.drawer__cta{margin-top:auto;padding-top:24px}
.drawer__cta .btn{width:100%}
@media (max-width:768px){
  .topbar__aside .lang-switch,.topbar__aside .hotline{display:none}
  .topbar__inner{height:60px}
  .nav-toggle{display:inline-flex}
  .channelbar__inner{gap:24px}
}

/* ---------- hero (category) ---------- */
.cat-hero{padding:var(--sp-6) 0 var(--sp-5);background:var(--bg);border-bottom:1px solid var(--line)}
.cat-hero__grid{display:grid;grid-template-columns:7fr 4fr;gap:48px;align-items:center}
.cat-hero__panel{background:var(--ink);color:#F7F5F0;border-radius:var(--r-card);padding:40px 40px 36px;min-height:320px;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;font-weight:600}
.cat-hero__panel .eyebrow{color:var(--lime)}
.cat-hero h1{font-size:40px;margin:14px 0 16px;font-weight:800;color:#fff}
.cat-hero h1 em{font-style:normal;color:var(--lime)}
.cat-hero__desc{font-size:16px;line-height:1.9;color:rgba(247,245,240,.78);max-width:34em}
.cat-hero__media{position:relative}
.cat-hero__media img{width:100%;height:320px;object-fit:cover}
.cat-hero__media::after{content:"";position:absolute;inset:0;border-radius:var(--r-card);border:1px solid rgba(14,21,18,.08)}
.cat-hero__stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.stat__num{font-family:var(--font-num);font-size:34px;line-height:1;color:var(--lime);letter-spacing:.01em}
.stat__label{font-size:13px;color:rgba(247,245,240,.66);margin-top:6px}
@media (max-width:992px){
  .cat-hero__grid{grid-template-columns:1fr;gap:24px}
  .cat-hero__media img{height:220px}
}
@media (max-width:560px){
  .cat-hero{padding:var(--sp-5) 0 var(--sp-4)}
  .cat-hero__panel{padding:28px 22px;min-height:auto}
  .cat-hero h1{font-size:26px}
  .cat-hero__desc{font-size:15px}
  .stat__num{font-size:26px}
}

/* ---------- anchor nav ---------- */
.anchorbar{position:sticky;top:48px;z-index:40;background:rgba(247,245,240,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.anchorbar__inner{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;padding:0 24px;max-width:1200px;margin:0 auto}
.anchorbar__inner::-webkit-scrollbar{display:none}
.anchorbar a{font-size:14px;color:var(--muted);padding:14px 0;white-space:nowrap;position:relative;transition:color var(--dur) var(--ease)}
.anchorbar a::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease)}
.anchorbar a:hover{color:var(--ink)}
.anchorbar a:hover::after,.anchorbar a.is-current::after{transform:scaleX(1)}
.anchorbar a.is-current{color:var(--ink);font-weight:600}
@media (max-width:768px){.anchorbar{top:60px}}

/* ---------- sections ---------- */
.section{padding:var(--sp-7) 0}
.section--tight{padding:var(--sp-6) 0}
.section__head{max-width:720px;margin-bottom:var(--sp-5)}
.section__head h2{font-size:30px;margin-bottom:14px}
.section__head p{color:var(--muted);font-size:16px}
.badge{display:inline-block;font-size:12px;letter-spacing:.08em;border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 12px;color:var(--muted);background:transparent}
.badge--lime{border-color:var(--lime);color:var(--ink);background:rgba(201,242,77,.32)}
.badge--orange{border-color:var(--orange);color:var(--orange)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line);transform:translateX(-.5px)}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:32px 0}
.tl-item__node{position:absolute;left:50%;top:calc(32px + 24px);width:12px;height:12px;border-radius:50%;background:var(--lime);border:2px solid var(--bg);transform:translate(-50%,0);box-shadow:0 0 0 1px var(--line)}
.tl-item__body h3{font-size:20px;margin:10px 0 10px}
.tl-item__body p{color:var(--muted);font-size:15px}
.tl-item__no{font-family:var(--font-num);font-size:20px;color:var(--lime);letter-spacing:.06em;font-weight:600}
.tl-item__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line)}
.tl-item:nth-child(even) .tl-item__media{order:-1}
@media (max-width:768px){
  .timeline::before{left:6px}
  .tl-item{grid-template-columns:1fr;gap:20px;padding:24px 0 24px 32px}
  .tl-item__node{left:6px;top:30px}
  .tl-item:nth-child(even) .tl-item__media{order:0}
}

/* ---------- definition list ---------- */
.deflist{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;border-top:1px solid var(--line)}
.deflist__item{padding:28px 0;border-bottom:1px solid var(--line)}
.deflist__item dt{font-size:18px;font-weight:600;margin-bottom:8px;display:flex;gap:10px;align-items:baseline}
.deflist__item dt span{font-family:var(--font-num);font-size:16px;color:var(--lime);font-weight:600}
.deflist__item dd{margin:0;color:var(--muted);font-size:15px}
@media (max-width:768px){.deflist{grid-template-columns:1fr;gap:0}}

/* ---------- highlight strip ---------- */
.strip{background:var(--ink);color:#F7F5F0;border-radius:var(--r-card);padding:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.strip__num{font-family:var(--font-num);font-size:40px;line-height:1;color:var(--lime)}
.strip__text{margin-top:10px;font-size:14px;color:rgba(247,245,240,.7)}
@media (max-width:768px){.strip{grid-template-columns:1fr;padding:28px 22px;gap:24px}}

/* ---------- faq ---------- */
.faq{max-width:800px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:flex-start;gap:16px;padding:24px 0;cursor:pointer;font-size:18px;font-weight:600;line-height:1.5;transition:color var(--dur) var(--ease)}
.faq__q:hover{color:var(--ink-2)}
.faq__no{font-family:var(--font-num);font-size:18px;color:var(--lime);font-weight:600;flex:0 0 auto;padding-top:2px}
.faq__sign{margin-left:auto;flex:0 0 auto;font-size:22px;line-height:1;color:var(--muted);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.faq__item.is-open .faq__sign{transform:rotate(45deg);color:var(--ink)}
.faq__a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq__a p{padding:0 0 24px 34px;font-size:15px;color:var(--muted);line-height:1.85}
.faq__q:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- cta ---------- */
.cta{background:var(--lime);color:var(--ink);padding:var(--sp-7) 0}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{font-size:32px;max-width:18em;margin-bottom:12px}
.cta p{font-size:16px;color:rgba(14,21,18,.72);max-width:34em}
@media (max-width:768px){.cta h2{font-size:24px}}
@media (max-width:560px){.section{padding:var(--sp-6) 0}.section__head h2{font-size:22px}.cta h2{font-size:22px}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#F7F5F0;padding:var(--sp-7) 0 var(--sp-3);border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.footer-col h3{font-size:14px;letter-spacing:.06em;color:rgba(247,245,240,.5);font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:rgba(247,245,240,.82);transition:color var(--dur) var(--ease)}
.footer-col ul a:hover{color:var(--lime)}
.footer-col--brand p{margin-top:18px;font-size:14px;color:rgba(247,245,240,.66);max-width:30em;line-height:1.8}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,240,.52)}
.footer-bottom a{color:rgba(247,245,240,.52)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 240ms var(--ease),transform 240ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --ink:#0E1512;
  --lime:#C9F24D;
  --orange:#FF5C2B;
  --bg:#F7F5F0;
  --white:#FFFFFF;
  --g900:#111111;
  --g700:#3A3F3D;
  --g500:#6B716E;
  --g400:#A8AEAB;
  --g300:#D8DAD6;
  --g100:#ECEEEA;
  --r-card:6px;
  --r-btn:4px;
  --r-pill:999px;
  --shadow-card:0 8px 24px rgba(14,21,18,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:240ms;
  --container:1200px;
  --font-cn:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Inter Tight","Arial Narrow",var(--font-cn);
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--g900);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.narrow{max-width:1004px;margin:0 auto}
@media(max-width:560px){.container{padding:0 16px}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1.2;letter-spacing:.01em;
  padding:12px 24px;min-height:44px;border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--lime);color:var(--ink)}
.btn--ghost{background:transparent;border-color:var(--g300);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(14,21,18,.04)}
.btn--sm{padding:8px 16px;font-size:13px;min-height:36px}
.btn--block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;line-height:1.6;
  padding:3px 12px;border-radius:var(--r-pill);
  border:1px solid var(--g300);background:var(--white);color:var(--g500);
}
.pill--lime{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
.link-arrow span{display:inline-block;transition:transform 160ms var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg)}
.brandbar{height:64px;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--g300);transition:height var(--dur) var(--ease),opacity 180ms linear,border-color 180ms linear}
.site-header.is-scrolled .brandbar{height:0;opacity:0;border-bottom-color:transparent}
.brandbar__inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px;color:var(--ink);white-space:nowrap}
.logo__mark{width:12px;height:12px;border-radius:2px;background:var(--lime);display:inline-block;flex:none}
.brandbar__right{display:flex;align-items:center;gap:20px}
.iconbtn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--g700);transition:color 160ms,background-color 160ms}
.iconbtn:hover{color:var(--ink);background:var(--g100)}
.region{font-size:13px;color:var(--g500);white-space:nowrap}
.brandbar__phone{font-family:var(--font-num);font-size:15px;letter-spacing:.02em;color:var(--g700);white-space:nowrap;transition:color 160ms}
.brandbar__phone:hover{color:var(--ink)}
.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:var(--r-btn)}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:transform 200ms var(--ease),opacity 160ms}
.menu-toggle:hover span:nth-child(1){transform:translateY(-1px)}

.channelbar{height:48px;background:var(--bg);border-bottom:1px solid var(--g300)}
.channelbar__inner{height:48px;display:flex;align-items:center;gap:32px;overflow-x:auto;scrollbar-width:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{position:relative;padding:15px 0;font-size:14px;font-weight:500;color:var(--g500);white-space:nowrap;transition:color 160ms}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease)}
.channel:hover{color:var(--ink)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--ink);font-weight:700}
.channel.is-active::after{transform:scaleX(1)}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--bg);
  display:none;flex-direction:column;padding:20px 20px 32px;
}
.drawer.is-open{display:flex}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--g300)}
.drawer__close{font-size:26px;line-height:1;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--g700)}
.drawer__close:hover{color:var(--ink);background:var(--g100)}
.drawer__nav{margin:12px 0 auto;display:flex;flex-direction:column}
.drawer__link{padding:16px 0;font-size:16px;font-weight:600;color:var(--g700);border-bottom:1px solid var(--g100);transition:color 160ms,padding-left 200ms var(--ease)}
.drawer__link:hover,.drawer__link.is-active{color:var(--ink);padding-left:6px}

/* ============ 文章标题区 ============ */
.article-hero{position:relative;background:var(--ink);color:#fff;padding:44px 0 40px}
.article-hero::after{content:"";position:absolute;left:0;bottom:0;width:120px;height:3px;background:var(--lime)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.5)}
.breadcrumb a{color:rgba(255,255,255,.75);border-bottom:1px solid transparent;transition:color 160ms,border-color 160ms}
.breadcrumb a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.breadcrumb__current{color:rgba(255,255,255,.92);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:340px}
.article-hero .pill{margin-top:24px}
.article-hero h1{
  margin-top:14px;max-width:940px;
  font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:13px;color:rgba(255,255,255,.6);
  font-family:var(--font-num);letter-spacing:.03em;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.35)}

/* ============ 文章主体 ============ */
.article-main{padding:64px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,740px) 200px;gap:64px;justify-content:center}

.post-body{font-size:17px;line-height:1.9;color:var(--g700)}
.post-body > * + *{margin-top:1.4em}
.post-body p{margin:0}
.post-body h2{
  font-size:28px;line-height:1.4;font-weight:700;letter-spacing:-.02em;color:var(--ink);
  margin-top:40px;margin-bottom:16px;scroll-margin-top:120px;
}
.post-body h3{
  font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);
  margin-top:28px;margin-bottom:12px;scroll-margin-top:120px;
}
.post-body h2 + *,.post-body h3 + *{margin-top:0}
.post-body ul,.post-body ol{padding-left:0;margin:0}
.post-body ul > li,.post-body ol > li{position:relative;padding-left:24px;margin-top:10px}
.post-body ul > li::before{content:"";position:absolute;left:2px;top:.82em;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.post-body ol{counter-reset:pb}
.post-body ol > li{counter-increment:pb}
.post-body ol > li::before{
  content:counter(pb,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--font-num);font-size:14px;
  font-weight:700;color:var(--orange);letter-spacing:.04em;
}
.post-body ol > li{padding-left:34px}
.post-body blockquote{
  border-left:3px solid var(--lime);background:var(--white);
  padding:20px 24px;border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--g700);font-size:16px;line-height:1.85;
}
.post-body blockquote p + p{margin-top:.8em}
.post-body img{border-radius:var(--r-card);margin:24px 0 8px;width:100%}
.post-body figcaption{font-size:13px;color:var(--g500);line-height:1.7}
.post-body a{color:var(--ink);border-bottom:1px solid var(--g300);transition:border-color 160ms,color 160ms}
.post-body a:hover{color:var(--orange);border-bottom-color:var(--orange)}
.post-body strong{color:var(--ink);font-weight:700}
.post-body hr{border:0;border-top:1px solid var(--g300);margin:40px 0}
.post-body table{display:block;width:100%;overflow-x:auto;font-size:15px;margin:24px 0}
.post-body th,.post-body td{border:1px solid var(--g300);padding:10px 14px;text-align:left;white-space:nowrap}
.post-body th{background:var(--g100);color:var(--ink);font-weight:700}
.post-body figure{margin:0}

/* ============ 目录 ============ */
.toc{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 160px);overflow-y:auto}
.toc__title{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--g400);margin-bottom:12px}
.toc__list{border-left:1px solid var(--g300)}
.toc__list a{
  display:block;padding:6px 0 6px 14px;margin-left:-1px;
  border-left:2px solid transparent;font-size:13px;line-height:1.6;color:var(--g500);
  transition:color 160ms,border-color 160ms;
}
.toc__list a:hover{color:var(--ink)}
.toc__list a.is-active{color:var(--ink);font-weight:700;border-left-color:var(--lime)}
.toc__list .lvl-3 a{padding-left:26px;font-size:12.5px}

/* ============ 空状态 ============ */
.empty-state{
  border:1px solid var(--g300);background:var(--white);border-radius:var(--r-card);
  padding:64px 32px;text-align:center;
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:var(--r-card);
  background:rgba(14,21,18,.06);border:1px solid var(--g300);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--g400);
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.empty-state p{margin-top:10px;font-size:15px;color:var(--g500)}
.empty-state .btn{margin-top:24px}

/* ============ 相关推荐 ============ */
.article-foot{padding:0 0 96px}
.foot-block{padding-top:40px;border-top:1px solid var(--g300);margin-bottom:48px}
.foot-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:28px}
.foot-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.related-grid{display:grid;gap:16px}
.rel-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);
  background:var(--white);border:1px solid var(--g300);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color 200ms var(--ease),box-shadow 240ms var(--ease),transform 240ms var(--ease);
}
.rel-card:hover{border-color:var(--ink);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.rel-card__media{overflow:hidden;background:var(--g100);min-height:132px}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.rel-card:hover .rel-card__media img{transform:scale(1.02)}
.rel-card__body{padding:20px 24px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.rel-card__body .pill{align-self:flex-start}
.rel-card__body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink)}
.rel-card__time{font-family:var(--font-num);font-size:13px;letter-spacing:.03em;color:var(--g400)}

/* ============ 上一篇 / 下一篇 ============ */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
.prevnext__item{
  display:block;padding:20px 24px;background:var(--white);
  border:1px solid var(--g300);border-radius:var(--r-card);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease);
}
.prevnext__item:hover{border-color:var(--ink);transform:translateY(-2px)}
.prevnext__label{display:block;font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--g400)}
.prevnext__title{display:block;margin-top:8px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6}
.prevnext__item--next{text-align:right}
.back-row{display:flex;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px;font-size:14px;line-height:1.7}
.footer-col ul li a{color:rgba(255,255,255,.72);transition:color 160ms}
.footer-col ul li a:hover{color:var(--lime)}
.logo--footer{color:#fff;margin-bottom:18px}
.footer-col--brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);transition:color 160ms}
.footer-bottom a:hover{color:var(--lime)}

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

/* ============ 响应式 ============ */
@media(max-width:991px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .brandbar__right{gap:12px}
  .region,.brandbar__phone{display:none}
  .brandbar__right .btn{display:none}
  .menu-toggle{display:flex}
  .channelbar{display:none}
  .logo{font-size:16px}
  .article-hero{padding:32px 0 32px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .article-hero .pill{margin-top:18px}
  .breadcrumb__current{max-width:100%}
  .article-main{padding:40px 0 56px}
  .post-body{font-size:16px;line-height:1.85}
  .post-body h2{font-size:22px;margin-top:32px}
  .post-body h3{font-size:18px}
  .foot-head h2{font-size:22px}
  .rel-card{grid-template-columns:1fr}
  .rel-card__media{aspect-ratio:16/9;min-height:0}
  .prevnext{grid-template-columns:1fr}
  .prevnext__item--next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .site-footer{padding:56px 0 24px}
}
@media(max-width:560px){
  .article-hero h1{font-size:24px}
  .foot-head{flex-direction:column;align-items:flex-start;gap:10px}
  .empty-state{padding:48px 20px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0E1512;
  --ink-2:#111111;
  --gray-1:#3A3F3D;
  --gray-2:#6B716E;
  --gray-3:#A8AEAB;
  --line:#D8DAD6;
  --line-soft:#ECEEEA;
  --bg:#F7F5F0;
  --white:#FFFFFF;
  --lime:#C9F24D;
  --orange:#FF5C2B;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-pill:999px;
  --container:1200px;
  --shadow-card:0 8px 24px rgba(14,21,18,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:240ms;
  --dur-fast:160ms;
  --font-cn:"Noto Sans SC","思源黑体","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Inter Tight","HarmonyOS Sans",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num,.metric__num,.faq__num,.plan__price,.step__num{font-family:var(--font-num);font-weight:700;letter-spacing:.01em}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line)}
.brandbar{height:64px;overflow:hidden;border-bottom:1px solid var(--line-soft);transition:height var(--dur) var(--ease),opacity var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.site-header.is-scrolled .brandbar{height:0;opacity:0;border-bottom-color:transparent}
.brandbar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo__mark{width:14px;height:14px;flex:none;background:var(--lime);border-radius:2px}
.brandbar__tools{display:flex;align-items:center;gap:20px}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);color:var(--gray-1);transition:color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}
.icon-btn:hover{color:var(--ink);background:var(--line-soft)}
.lang{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray-2)}
.lang__item{padding:4px 0;border-bottom:1px solid transparent;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}
.lang__item:hover{color:var(--ink);border-bottom-color:var(--ink)}
.lang__item.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--orange)}
.lang__sep{color:var(--line)}
.brandbar__phone{font-size:13px;color:var(--gray-1);border-bottom:1px solid transparent;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}
.brandbar__phone:hover{color:var(--ink);border-bottom-color:var(--ink)}
.menu-btn{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:var(--radius-btn)}
.menu-btn span{display:block;width:20px;height:2px;background:var(--ink);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.channelbar{background:var(--white)}
.channelbar__inner{display:flex;align-items:center;gap:30px;height:48px;overflow-x:auto;scrollbar-width:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex:none;padding:14px 0;font-size:14px;font-weight:500;color:var(--gray-1);white-space:nowrap;transition:color var(--dur-fast) var(--ease)}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:7px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease)}
.channel:hover{color:var(--ink)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--ink);font-weight:700}
.channel.is-active::after{transform:scaleX(1)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:100;display:none;padding:20px 24px 40px;background:var(--white);overflow-y:auto;transform:translateX(100%);transition:transform var(--dur) var(--ease)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;line-height:1;color:var(--gray-1);border-radius:var(--radius-btn)}
.drawer__close:hover{background:var(--line-soft);color:var(--ink)}
.drawer__list{margin-top:8px}
.drawer__list a{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:8px 0;font-size:16px;color:var(--gray-1);border-bottom:1px solid var(--line-soft);transition:color var(--dur-fast) var(--ease),padding-left var(--dur-fast) var(--ease)}
.drawer__list a:last-child{border-bottom:0}
.drawer__list a:hover{color:var(--ink);padding-left:6px}
.drawer__list a.is-active{color:var(--ink);font-weight:700}
.drawer__cta{margin-top:24px;width:100%;justify-content:center}

/* ---------- buttons / tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;font-size:14px;font-weight:600;border:1px solid transparent;border-radius:var(--radius-btn);transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease)}
.btn svg{transition:transform var(--dur-fast) var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--ink);color:var(--bg)}
.btn--primary:hover{background:var(--lime);color:var(--ink)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--ink);background:rgba(14,21,18,.04)}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--white);color:var(--ink)}
.btn--sm{min-height:38px;padding:8px 16px;font-size:13px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;pointer-events:none}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;font-size:12px;letter-spacing:.08em;color:var(--gray-1);background:var(--white);border:1px solid var(--line);border-radius:var(--radius-pill)}
.tag--lime{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}
.tag--soft{background:var(--line-soft);border-color:var(--line-soft);color:var(--gray-1)}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink)}
.arrow-link svg{transition:transform var(--dur-fast) var(--ease)}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--white);border-bottom:1px solid var(--line)}
.hero__bg{position:absolute;top:0;right:0;width:33.333%;height:100%;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.78) 55%,rgba(247,245,240,.42) 100%)}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:end;gap:48px;min-height:320px;padding:56px 0 40px}
.hero__left .tag{margin-bottom:20px}
.hero h1{font-size:40px;font-weight:800;line-height:1.22;letter-spacing:-.02em}
.hero__right p{font-size:17px;line-height:1.85;color:var(--gray-1)}
.hero__points{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.hero__points li{position:relative;padding-left:18px;font-size:14px;color:var(--gray-2);line-height:2}
.hero__points li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:2px;background:var(--lime)}

.anchors{background:var(--ink)}
.anchors__inner{display:flex;align-items:center;gap:28px;height:56px;overflow-x:auto;scrollbar-width:none}
.anchors__inner::-webkit-scrollbar{display:none}
.anchors a{flex:none;font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.72);transition:color var(--dur-fast) var(--ease)}
.anchors a:hover{color:var(--lime)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--muted{background:var(--white);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:720px;margin-bottom:48px}
.eyebrow{display:inline-block;margin-bottom:14px;padding:3px 10px;font-size:12px;letter-spacing:.08em;color:var(--gray-1);background:var(--line-soft);border-radius:var(--radius-pill)}
.section-head h2{font-size:30px;font-weight:800;line-height:1.35;letter-spacing:-.02em}
.section-head p{margin-top:16px;font-size:16px;color:var(--gray-2)}

/* ---------- service cards 2x3 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.svc-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.svc-card:hover{box-shadow:var(--shadow-card);border-color:var(--ink);transform:translateY(-2px)}
.svc-card__media{aspect-ratio:4/3;overflow:hidden;background:rgba(14,21,18,.06)}
.svc-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.svc-card:hover .svc-card__media img{transform:scale(1.02)}
.svc-card__body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px 24px 28px}
.svc-card__body h3{font-size:20px;font-weight:700;line-height:1.45}
.svc-card__body p{font-size:14px;line-height:1.8;color:var(--gray-2)}
.svc-card__foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line-soft);font-size:12px;letter-spacing:.08em;color:var(--gray-3)}
.svc-card__foot svg{transition:transform var(--dur-fast) var(--ease)}
.svc-card:hover .svc-card__foot svg{transform:translateX(4px)}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;gap:20px;padding:32px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.plan:hover{border-color:var(--ink);box-shadow:var(--shadow-card)}
.plan--feature{background:var(--ink);color:rgba(255,255,255,.82);border-color:var(--ink);padding-top:40px}
.plan--feature::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);border-radius:var(--radius-card) var(--radius-card) 0 0}
.plan__badge{position:absolute;top:20px;right:24px}
.plan h3{font-size:20px;font-weight:700;color:var(--ink)}
.plan--feature h3{color:#fff}
.plan__lead{font-size:14px;line-height:1.8;color:var(--gray-2)}
.plan--feature .plan__lead{color:rgba(255,255,255,.68)}
.plan__list{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid var(--line)}
.plan--feature .plan__list{border-top-color:rgba(255,255,255,.16)}
.plan__list li{position:relative;padding-left:20px;font-size:14px;line-height:1.8}
.plan__list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--lime)}
.plan--feature .plan__list li{color:rgba(255,255,255,.84)}
.plan__foot{margin-top:auto;padding-top:24px}
.plan__foot .btn{width:100%}

/* ---------- metrics ---------- */
.metrics-head{max-width:720px;margin-bottom:40px}
.metrics-head h2{font-size:30px;font-weight:800;line-height:1.35;letter-spacing:-.02em}
.metrics-head p{margin-top:16px;color:var(--gray-2)}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.metric{padding:32px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric__num{font-size:44px;line-height:1;color:var(--ink)}
.metric__num span{margin-left:4px;font-size:16px;font-weight:600;color:var(--gray-2)}
.metric__bar{width:32px;height:3px;margin:16px 0 12px;background:var(--lime)}
.metric p{font-size:14px;line-height:1.7;color:var(--gray-2)}

/* ---------- partners ---------- */
.partners{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.partner{display:flex;align-items:center;justify-content:center;min-height:72px;padding:8px;font-size:13px;letter-spacing:.08em;color:var(--gray-3);background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);filter:grayscale(1);transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),filter var(--dur) var(--ease)}
.partner:hover{color:var(--gray-1);border-color:var(--ink);filter:none}

/* ---------- faq ---------- */
.faq{max-width:800px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__q{display:flex;align-items:flex-start;gap:16px;width:100%;padding:24px 0;text-align:left;font-size:18px;font-weight:600;line-height:1.6;transition:color var(--dur-fast) var(--ease)}
.faq__q:hover{color:var(--gray-1)}
.faq__num{flex:none;min-width:26px;height:20px;display:inline-flex;align-items:center;justify-content:center;margin-top:4px;font-size:13px;color:var(--ink);background:var(--lime);border-radius:2px}
.faq__sign{flex:none;margin-left:auto;font-size:20px;font-weight:400;line-height:1;color:var(--gray-2);transition:color var(--dur-fast) var(--ease)}
.faq__item.is-open .faq__sign{color:var(--ink)}
.faq__a{max-height:0;overflow:hidden;transition:max-height var(--dur) var(--ease)}
.faq__a p{padding:0 0 24px 42px;font-size:15px;line-height:1.85;color:var(--gray-2)}

/* ---------- cta ---------- */
.cta{background:var(--ink);color:rgba(255,255,255,.76)}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:48px;padding:96px 0}
.cta h2{font-size:32px;font-weight:800;line-height:1.32;letter-spacing:-.02em;color:#fff;max-width:620px}
.cta p{margin-top:16px;font-size:15px;color:rgba(255,255,255,.68);max-width:560px}
.cta__actions{flex:none;display:flex;gap:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);font-size:14px;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.footer-col h3{margin-bottom:16px;font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff}
.footer-col p{line-height:1.85;color:rgba(255,255,255,.62)}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);transition:color var(--dur-fast) var(--ease)}
.footer-col a:hover{color:var(--lime)}
.logo--footer{color:#fff;margin-bottom:16px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.55);transition:color var(--dur-fast) var(--ease)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}
.reveal.is-inview{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 24px}
}
@media (max-width:992px){
  .section{padding:80px 0}
  .section--tight{padding:56px 0}
  .hero__grid{grid-template-columns:1fr;gap:28px;padding:48px 0 40px;min-height:0}
  .hero h1{font-size:34px}
  .hero__bg{width:42%;opacity:.5}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .partners{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .cta__inner{flex-direction:column;align-items:flex-start;gap:32px;padding:80px 0}
}
@media (max-width:768px){
  .brandbar__phone{display:none}
  .menu-btn{display:flex}
  .channelbar__inner{gap:24px}
  .drawer{display:block}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .section-head h2,.metrics-head h2{font-size:24px}
  .hero h1{font-size:28px}
  .hero__bg{display:none}
  .cta h2{font-size:24px}
  .faq__q{font-size:17px}
  .faq__a p{padding-left:0}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .logo{font-size:15px}
  .logo__mark{width:12px;height:12px}
  .lang,.brandbar__phone{display:none}
  .hero h1{font-size:24px}
  .hero__right p{font-size:15px}
  .card-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .partners{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta__actions{flex-direction:column;width:100%}
  .cta__actions .btn{width:100%}
  .metric__num{font-size:38px}
}