/* roulang page: index */
:root{
  --ink:#0F2E2A;
  --ink-soft:#173B36;
  --lime:#C8F24E;
  --paper:#F7F6F2;
  --paper2:#EFEDE5;
  --text:#1B2422;
  --muted:#5C6A65;
  --line:#E1DFD6;
  --err:#C33F35;
  --light:#F2F5F1;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,42,.06);
  --sh-2:0 14px 34px -14px rgba(15,46,42,.22);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Space Grotesk","Inter","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;padding:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--text);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body a{color:inherit;text-decoration:none}
body img{max-width:100%;display:block}
body button,body input,body select,body textarea{font-family:inherit;font-size:inherit;color:inherit}
body ul,body ol{margin:0;padding:0;list-style:none}
body h1,body h2,body h3,body h4,body p{margin:0}
::selection{background:var(--lime);color:var(--ink)}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:118px 0;scroll-margin-top:96px}
.section-tight{padding:84px 0;scroll-margin-top:96px}
.section-alt{background:var(--paper2)}
.section-dark{background:var(--ink);color:var(--light)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block}
.section-dark .eyebrow{color:rgba(242,245,241,.68)}
.h2{
  font-size:clamp(26px,3.4vw,42px);line-height:1.15;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);margin-top:14px;
}
.section-dark .h2{color:var(--light)}
.lede{font-size:16.5px;color:var(--muted);line-height:1.8;max-width:62ch}
.section-dark .lede{color:rgba(242,245,241,.76)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.text-link span{transition:transform .2s var(--ease);font-family:var(--font-num)}
.text-link:hover{color:var(--ink-soft)}
.text-link:hover span{transform:translateX(4px)}
.section-dark .text-link{color:var(--lime)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper2)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#fff;color:var(--ink)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:var(--light)}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:10px 18px;font-size:14px}
body a:focus-visible,body button:focus-visible,body input:focus-visible,body select:focus-visible,body textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}

/* 头部导航 */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:90;
  background:rgba(247,246,242,.93);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(15,46,42,.6)}
.nav-bar{display:flex;align-items:center;gap:22px;height:76px;transition:height .3s var(--ease)}
.site-header.is-scrolled .nav-bar{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:5px;flex-shrink:0;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);border-radius:6px;
  padding:1px 8px;font-family:var(--font-num);font-weight:700;font-size:16.5px;line-height:1.4;
}
.chip-nav{
  display:flex;align-items:center;gap:3px;margin:0 auto;
  background:var(--paper2);border-radius:var(--r-pill);padding:4px;
}
.chip{
  padding:8px 16px;border-radius:var(--r-pill);font-size:14.5px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.chip:hover{color:var(--ink)}
.chip.is-active{
  background:#fff;color:var(--ink);font-weight:600;
  box-shadow:0 1px 2px rgba(15,46,42,.08),0 0 0 1px var(--line);
}
.nav-actions{
  display:flex;align-items:center;gap:16px;padding-left:22px;
  border-left:1px solid var(--line);flex-shrink:0;
}
.nav-actions .text-link{font-size:14px;color:var(--muted)}
.nav-actions .text-link:hover{color:var(--ink)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.burger i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.burger.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open i:nth-child(2){opacity:0}
.burger.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:95;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 0;box-shadow:-16px 0 40px -30px rgba(15,46,42,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 16px;border-radius:12px;font-size:15.5px;font-weight:500;color:var(--text);
  border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--paper2)}
.drawer-nav a.is-active{background:#fff;border-color:var(--line);font-weight:600;color:var(--ink)}
.drawer-foot{margin-top:auto;padding:20px 0 26px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.scrim{
  position:fixed;inset:0;background:rgba(15,46,42,.45);z-index:94;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* Hero */
.hero{
  position:relative;overflow:hidden;background-color:var(--ink);
  min-height:88vh;display:flex;align-items:center;padding:96px 0 88px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.6;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(15,46,42,.95) 0%,rgba(15,46,42,.82) 48%,rgba(15,46,42,.45) 100%);
}
.hero .shell{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:span 7}
.hero-visual{grid-column:span 5;position:relative}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;border-radius:var(--r-pill);
  border:1px solid rgba(200,242,78,.45);background:rgba(200,242,78,.12);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.06em;padding:7px 15px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block}
.hero h1{
  margin:22px 0 0;color:#fff;
  font-size:clamp(38px,5.4vw,66px);line-height:1.06;font-weight:800;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.75;color:rgba(242,245,241,.82);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:44px;margin-top:52px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.metric-num{
  font-family:var(--font-num);font-size:32px;font-weight:700;color:#fff;
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric-num small{font-size:14px;font-weight:500;color:var(--lime);margin-left:4px;letter-spacing:.02em}
.metric-label{font-size:13px;color:rgba(242,245,241,.62);margin-top:6px;letter-spacing:.04em}
.hero-visual img{
  width:100%;height:400px;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 60px -40px rgba(0,0,0,.8);
}
.hero-float{
  position:absolute;left:-20px;bottom:-26px;background:#fff;color:var(--text);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-2);max-width:236px;
  border:1px solid rgba(15,46,42,.06);
}
.hero-float strong{display:block;font-size:14.5px;color:var(--ink);font-weight:700;margin-bottom:8px}
.hero-float span{display:block;font-size:12.5px;color:var(--muted);line-height:1.7}
.hero-float .bar{display:flex;gap:4px;margin-top:10px}
.hero-float .bar i{height:5px;flex:1;border-radius:3px;background:var(--paper2)}
.hero-float .bar i.on{background:var(--lime)}

/* 卖点 */
.value-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.value-aside{grid-column:span 4;position:sticky;top:108px;align-self:start}
.value-aside .h2{margin-top:14px}
.value-aside p{margin-top:18px;font-size:15.5px;color:var(--muted);line-height:1.85}
.value-list{grid-column:span 8;border-bottom:1px solid var(--line)}
.value-item{
  display:grid;grid-template-columns:52px 1fr 26px;gap:18px;align-items:start;
  padding:26px 20px;border-top:1px solid var(--line);
  transition:background .25s var(--ease),transform .25s var(--ease);
  border-radius:0;
}
.value-item:hover{background:#fff;transform:translateX(2px)}
.value-num{
  width:40px;height:28px;border-radius:var(--r-pill);background:rgba(200,242,78,.6);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.value-item h3{font-size:19px;font-weight:600;color:var(--ink);line-height:1.4}
.value-item p{margin-top:7px;font-size:15px;color:var(--muted);line-height:1.78}
.value-arrow{font-family:var(--font-num);color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease);font-size:17px;margin-top:4px}
.value-item:hover .value-arrow{color:var(--ink);transform:translateX(4px)}

/* 演示 */
.demo-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.demo-media{grid-column:span 8;position:relative}
.demo-media img{width:100%;height:460px;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line)}
.demo-badge{
  position:absolute;right:20px;top:20px;background:#fff;border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--sh-2);border:1px solid rgba(15,46,42,.06);
}
.demo-badge b{display:block;font-family:var(--font-num);font-size:24px;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.demo-badge span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.demo-steps{grid-column:span 4}
.step{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step-idx{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--ink);color:var(--ink);background:transparent;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
}
.step h4{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.step p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:4px}

/* 证据 */
.proof-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:24px;margin-top:48px}
.proof-quote{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:34px 32px;display:flex;flex-direction:column;justify-content:space-between;
}
.proof-quote p{font-size:20px;line-height:1.7;color:var(--light);font-weight:500}
.proof-quote footer{margin-top:26px;font-size:13px;color:rgba(242,245,241,.6);letter-spacing:.04em}
.proof-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:32px 26px;display:flex;flex-direction:column;justify-content:center;
}
.proof-card b{
  font-family:var(--font-num);font-size:44px;font-weight:700;color:var(--lime);
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.proof-card span{display:block;margin-top:12px;font-size:14.5px;color:rgba(242,245,241,.78);line-height:1.7}
.proof-badges{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.proof-badges li{
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);
  padding:8px 18px;font-size:13px;color:rgba(242,245,241,.55);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.proof-badges li:hover{color:var(--lime);border-color:rgba(200,242,78,.5);background:rgba(200,242,78,.08)}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6d3c7}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--paper2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  background:var(--paper2);color:var(--ink);font-size:12px;font-weight:600;
  letter-spacing:.08em;padding:5px 12px;line-height:1.5;
}
.badge-lime{background:rgba(200,242,78,.32);color:var(--ink)}
.news-title{
  margin-top:14px;font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;text-decoration-thickness:2px}
.news-desc{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--muted);font-family:var(--font-num);letter-spacing:.02em;
}
.news-foot .read{font-family:var(--font);font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-foot .read{color:var(--ink)}
.empty-state{
  border:1px dashed #c9c5b6;border-radius:var(--r-md);background:#fff;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:32px;
}
.empty-state .ico{
  width:46px;height:46px;border-radius:50%;background:var(--paper2);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:20px;
}
.empty-state p{font-size:14px;color:var(--muted)}
.empty-state .btn{margin-top:6px}

/* 方案 */
.price-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px;align-items:start;margin-top:52px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.price-card.featured{
  background:var(--ink);color:var(--light);border-color:var(--ink);
  transform:translateY(-12px);position:relative;padding-top:40px;
}
.price-card.featured:hover{transform:translateY(-14px)}
.price-flag{
  position:absolute;top:-13px;left:28px;background:var(--lime);color:var(--ink);
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.08em;padding:5px 14px;
}
.price-card h3{font-size:20px;font-weight:700;color:var(--ink)}
.price-card.featured h3{color:#fff}
.price-card .fit{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
.price-card.featured .fit{color:rgba(242,245,241,.72)}
.price-amount{
  margin-top:22px;padding-bottom:22px;border-bottom:1px solid var(--line);
  font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--ink);
  line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.price-card.featured .price-amount{border-bottom-color:rgba(255,255,255,.16);color:var(--lime)}
.price-amount small{font-family:var(--font);font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:0}
.price-card.featured .price-amount small{color:rgba(242,245,241,.62)}
.price-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.price-card.featured .price-list li{color:rgba(242,245,241,.82)}
.price-list li::before{
  content:"✓";flex-shrink:0;width:18px;height:18px;border-radius:50%;
  background:rgba(200,242,78,.45);color:var(--ink);font-size:11px;
  display:flex;align-items:center;justify-content:center;margin-top:4px;font-weight:700;
}
.price-card .btn{margin-top:26px;width:100%}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.faq-aside{grid-column:span 4}
.faq-aside .lede{margin-top:18px;font-size:15px}
.faq-aside .btn{margin-top:26px}
.faq-list{grid-column:span 8}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--ink-soft)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-size:15px;color:var(--ink);transition:transform .28s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  margin-top:3px;
}
.faq-item.is-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 44px 24px 4px;font-size:15px;line-height:1.85;color:var(--muted)}

/* 结尾 CTA */
.cta-band{background:var(--ink);padding:76px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  padding:0 8px;
}
.cta-inner h2{color:#fff;font-size:clamp(26px,3.2vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;color:rgba(242,245,241,.74);font-size:15.5px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.contact-info{grid-column:span 5}
.contact-info .h2{margin-top:14px}
.contact-info .lede{margin-top:18px;font-size:15.5px}
.contact-list{margin-top:32px;display:flex;flex-direction:column;gap:2px}
.contact-list li{
  display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line);
}
.contact-list li:last-child{border-bottom:1px solid var(--line)}
.contact-list .k{width:78px;flex-shrink:0;font-size:13px;color:var(--muted);letter-spacing:.06em;padding-top:3px}
.contact-list .v{font-size:15px;color:var(--ink);line-height:1.7}
.contact-form{
  grid-column:span 7;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.03em}
.field label span{color:var(--err);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--paper);padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:132px;padding:12px 14px;line-height:1.75;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 2px rgba(200,242,78,.85);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field .err-msg{font-size:12px;color:var(--err);display:none}
.field.has-error .err-msg{display:block}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}
.form-ok{
  display:none;margin-top:16px;border-radius:var(--r-sm);background:rgba(200,242,78,.28);
  border:1px solid rgba(15,46,42,.14);padding:12px 16px;font-size:14px;color:var(--ink);
}
.form-ok.is-show{display:block}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--light);margin-top:96px;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px}
.footer-brand .brand{color:#fff;font-size:20px}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(242,245,241,.68);max-width:34ch}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:rgba(242,245,241,.5);font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col li{font-size:14.5px;color:rgba(242,245,241,.8);line-height:1.7}
.footer-col a{transition:color .2s var(--ease),box-shadow .2s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--lime);box-shadow:inset 0 -1px 0 var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:24px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,245,241,.55);
}
.footer-bottom .links{display:flex;gap:20px}
.footer-bottom a:hover{color:var(--lime)}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:#fff;border:1px solid var(--lime);
  border-radius:var(--r-pill);padding:14px 24px;font-size:15px;font-weight:600;
  box-shadow:0 12px 30px -16px rgba(15,46,42,.7);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 18px 36px -16px rgba(15,46,42,.8);background:var(--ink-soft)}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1180px){
  .chip{padding:8px 12px;font-size:14px}
  .nav-actions{padding-left:16px;gap:12px}
}
@media (max-width:1024px){
  .chip-nav,.nav-actions{display:none}
  .burger{display:flex;margin-left:auto}
  .nav-bar{height:68px}
  .hero{min-height:auto;padding:76px 0 72px}
  .hero-copy{grid-column:span 12}
  .hero-visual{grid-column:span 12;margin-top:44px}
  .hero-visual img{height:340px}
  .hero-float{left:auto;right:12px;bottom:-20px}
  .value-aside{grid-column:span 12;position:static}
  .value-list{grid-column:span 12;margin-top:32px}
  .demo-media,.demo-steps{grid-column:span 12}
  .demo-media img{height:380px}
  .demo-steps{margin-top:32px}
  .proof-grid{grid-template-columns:1fr 1fr}
  .proof-quote{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr 1fr}
  .price-card.featured{grid-column:span 2;transform:none}
  .price-card.featured:hover{transform:translateY(-2px)}
  .faq-aside{grid-column:span 12}
  .faq-list{grid-column:span 12;margin-top:24px}
  .contact-info,.contact-form{grid-column:span 12}
  .contact-form{margin-top:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:84px 0}
}
@media (max-width:768px){
  .shell{padding:0 24px}
  .hero h1{font-size:clamp(32px,7.4vw,44px);line-height:1.12}
  .hero-sub{font-size:16px}
  .hero-metrics{gap:28px;margin-top:40px}
  .metric-num{font-size:26px}
  .hero-visual img{height:280px}
  .section,.section-tight{padding:64px 0}
  .proof-grid{grid-template-columns:1fr}
  .proof-quote{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .price-card.featured{grid-column:span 1}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:26px 22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{margin-top:72px;padding-top:60px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;height:56px;padding:0 20px;
    font-size:15px;transform:translateY(100%);box-shadow:0 -8px 24px -18px rgba(15,46,42,.8);
  }
  .float-cta.is-visible{transform:translateY(0)}
  html body{padding-bottom:56px}
  .value-item{padding:22px 12px;grid-template-columns:44px 1fr 20px;gap:14px}
}
@media (max-width:520px){
  .shell{padding:0 20px}
  .brand{font-size:17px}
  .brand-mark{font-size:15px;padding:1px 6px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:16px}
  .proof-badges{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0F2E2A;
  --lime:#C8F24E;
  --paper:#F7F6F2;
  --sand:#EFEDE5;
  --text:#1B2422;
  --muted:#5C6A65;
  --line:#E1DFD6;
  --danger:#C33F35;
  --radius-card:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(15,46,42,.06);
  --shadow-2:0 14px 34px -14px rgba(15,46,42,.22);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  padding-bottom:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(15,46,42,.55)}
.header-inner{
  display:flex;align-items:center;gap:20px;height:76px;
  transition:height .24s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand-badge{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-num);font-size:14px;font-weight:700;
  padding:2px 9px;border-radius:9px;line-height:1.5;
}
.chip-nav{
  display:flex;align-items:center;gap:4px;
  background:var(--sand);border-radius:999px;padding:5px;
  margin:0 auto;
}
.chip{
  display:inline-block;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--ink);background:rgba(255,255,255,.65)}
.chip.is-active{
  background:#fff;color:var(--ink);font-weight:600;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.header-actions{display:flex;align-items:center;gap:16px}
.header-divider{width:1px;height:22px;background:var(--line);display:inline-block}
.text-link{
  font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease;
}
.text-link::after{content:"→";font-size:12px;transition:transform .2s ease}
.text-link:hover{color:var(--ink)}
.text-link:hover::after{transform:translateX(3px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(105%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
  z-index:90;display:flex;flex-direction:column;padding:88px 24px 24px;
  box-shadow:-20px 0 40px -30px rgba(15,46,42,.6);
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .chip{
  display:block;padding:14px 16px;border-radius:12px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .chip.is-active{background:#fff;border:1px solid var(--line)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-close{
  position:absolute;top:22px;right:22px;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;color:var(--ink);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,46,42,.36);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink);border-color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--sand)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.08em;
  background:var(--sand);color:var(--ink);font-weight:500;
}
.badge-lime{background:rgba(200,242,78,.3);color:var(--ink);font-weight:600}

/* ---------- Article hero ---------- */
.article-hero{padding:48px 0 40px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.breadcrumb a:hover{color:var(--ink);border-color:var(--lime)}
.breadcrumb .sep{color:#B9B6AA}
.crumb-current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);
}
.article-head{max-width:820px}
.article-title{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;color:var(--ink);
  margin:18px 0 20px;
}
.article-lede{
  font-size:17px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:24px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13px;color:var(--muted);
  padding-top:20px;border-top:1px solid var(--line);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block}

/* ---------- Article layout ---------- */
.article-wrap{max-width:1040px;margin:0 auto;padding:0 32px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 220px;
  gap:56px;align-items:start;padding:8px 0 96px;
}
.article-main{min-width:0}
.article-cover{
  margin-bottom:36px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--sand);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- Article body (CMS) ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.32;
  color:var(--ink);margin:46px 0 18px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;
  background:var(--lime);border-radius:2px;
}
.article-body h3{
  font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);
  margin:34px 0 14px;scroll-margin-top:96px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:26px 0 12px}
.article-body a{color:var(--ink);font-weight:500;border-bottom:1px solid var(--lime);transition:background .2s}
.article-body a:hover{background:rgba(200,242,78,.28)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:20px}
.article-body li{margin:8px 0}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:16px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--ink);border-radius:1px;
}
.article-body ol{list-style:decimal}
.article-body ol li::marker{color:var(--ink);font-family:var(--font-num);font-weight:600}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;background:var(--sand);
  border-left:3px solid var(--lime);border-radius:0 12px 12px 0;
  font-size:18px;line-height:1.8;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:24px 0 12px;max-width:100%;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--muted);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--sand);font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:#FBFAF7}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body code{
  background:var(--sand);padding:2px 6px;border-radius:6px;
  font-family:var(--font-num);font-size:.92em;
}

/* ---------- Empty state ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:40px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#FBFAF7;text-align:center;
}
.empty-state svg{width:38px;height:38px;color:var(--muted);opacity:.7}
.empty-state p{font-size:15px;color:var(--muted);margin:0}
.empty-state .empty-title{font-size:17px;font-weight:600;color:var(--ink)}

/* ---------- TOC ---------- */
.toc-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:12px;letter-spacing:.14em;color:var(--muted);
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 10px 8px 12px;font-size:13.5px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s,border-color .2s,background .2s;
}
.toc-list a:hover{color:var(--ink);background:var(--paper)}
.toc-list a.is-current{color:var(--ink);font-weight:600;border-left-color:var(--lime);background:rgba(200,242,78,.14)}
.toc-cta{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.toc-cta p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.toc-cta .btn{width:100%;}

/* ---------- Related / news ---------- */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--ink);
}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5D2C6}
.post-card .thumb{overflow:hidden;background:var(--sand)}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .excerpt{
  font-size:14px;line-height:1.72;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--muted);
}
.post-card .read{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.post-card .read::after{content:"→";font-size:12px;transition:transform .2s}
.post-card:hover .read::after{transform:translateX(3px)}

/* ---------- Related strip ---------- */
.related-strip{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.related-scroll{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px;transition:transform .25s,box-shadow .25s;
}
.related-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.related-item img{width:104px;height:78px;object-fit:cover;border-radius:10px;flex-shrink:0}
.related-item .r-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.related-item h4{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item time{font-size:12px;color:var(--muted);font-family:var(--font-num)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:24px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q .icon{
  flex-shrink:0;width:22px;height:22px;position:relative;margin-top:3px;
  transition:transform .25s ease;
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .icon::before{width:13px;height:2px}
.faq-q .icon::after{width:2px;height:13px;transition:opacity .2s}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-panel p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 0 24px;margin:0;max-width:760px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#F2F5F1;border-radius:var(--radius-lg);padding:56px 48px}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.24;color:#F2F5F1}
.cta-band p{color:rgba(242,245,241,.76);font-size:16px;margin-top:14px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-band .btn-ghost{color:#F2F5F1;border-color:rgba(255,255,255,.28)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ---------- Back links ---------- */
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#F2F5F1;margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand .brand{color:#F2F5F1;margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(242,245,241,.7);max-width:300px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:rgba(242,245,241,.55);margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,245,241,.78);transition:color .2s,border-color .2s;border-bottom:1px solid transparent;width:fit-content}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:26px;font-size:13px;color:rgba(242,245,241,.55);
}
.footer-bottom a{color:rgba(242,245,241,.7)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:75;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:#fff;border:1px solid var(--lime);
  border-radius:999px;padding:14px 24px;font-size:15px;font-weight:600;
  box-shadow:0 10px 26px -14px rgba(15,46,42,.6);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .25s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(15,46,42,.7)}

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

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:40px}
}
@media (max-width:1024px){
  .chip-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-inner{height:68px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-main{max-width:760px;margin:0 auto}
  .toc-card{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-scroll{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container,.article-wrap{padding:0 24px}
  body{font-size:16px}
  .article-hero{padding:32px 0 28px}
  .article-title{font-size:clamp(26px,7vw,34px);line-height:1.2}
  .article-lede{font-size:15.5px;-webkit-line-clamp:4}
  .cta-band{padding:36px 24px}
  .section{padding:60px 0}
  .site-footer{padding:56px 0 24px;margin-top:72px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom,0px));
    border-left:0;border-right:0;border-bottom:0;font-size:15px;
  }
  body{padding-bottom:64px}
}
@media (max-width:640px){
  .container,.article-wrap{padding:0 20px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .related-scroll{
    display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;
    padding-bottom:8px;margin:0 -20px;padding-left:20px;padding-right:20px;
  }
  .related-scroll::-webkit-scrollbar{height:5px}
  .related-scroll::-webkit-scrollbar-thumb{background:#D5D2C6;border-radius:99px}
  .related-item{flex:0 0 280px;scroll-snap-align:start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .article-meta{gap:8px 16px}
  .brand{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
    --ink:#0F2E2A;
    --ink-soft:#173F39;
    --lime:#C8F24E;
    --paper:#F7F6F2;
    --sand:#EFEDE5;
    --text:#1B2422;
    --muted:#5C6A65;
    --line:#E1DFD6;
    --err:#C33F35;
    --light:#F2F5F1;
    --r-card:14px;
    --r-lg:20px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,46,42,.06);
    --sh-2:0 14px 34px -14px rgba(15,46,42,.22);
    --ease:cubic-bezier(.2,.7,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.78;
    letter-spacing:.01em;
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  .num{font-family:"Space Grotesk","Inter",sans-serif;font-variant-numeric:tabular-nums}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
  @media (max-width:1024px){.container{padding:0 24px}}
  @media (max-width:640px){.container{padding:0 20px}}
  :focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(247,246,242,.93);
    backdrop-filter:saturate(1.2) blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 1px 2px rgba(15,46,42,.07),0 10px 26px -20px rgba(15,46,42,.4)}
  .header-inner{display:flex;align-items:center;gap:22px;height:76px;transition:height .25s var(--ease)}
  .site-header.is-scrolled .header-inner{height:64px}
  .logo{
    display:inline-flex;align-items:center;white-space:nowrap;
    font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
    transition:opacity .2s;
  }
  .logo:hover{opacity:.78}
  .logo-j9{
    display:inline-flex;align-items:center;justify-content:center;
    margin-left:5px;padding:2px 7px 3px;
    background:var(--lime);color:var(--ink);
    font-family:"Space Grotesk","Inter",sans-serif;
    font-size:13px;font-weight:700;letter-spacing:.02em;
    border-radius:7px;
  }
  .chip-nav{
    display:flex;align-items:center;gap:4px;
    margin:0 auto;
    padding:5px;border-radius:var(--r-pill);
    background:var(--sand);
  }
  .chip{
    display:inline-block;padding:8px 16px;border-radius:var(--r-pill);
    font-size:14px;font-weight:600;color:var(--muted);
    border:1px solid transparent;
    transition:color .2s,background .2s,border-color .2s,box-shadow .2s;
    white-space:nowrap;
  }
  .chip:hover{color:var(--ink);background:rgba(255,255,255,.65)}
  .chip.is-active{
    background:#fff;color:var(--ink);
    border-color:var(--line);box-shadow:var(--sh-1);
  }
  .header-actions{display:flex;align-items:center;gap:14px}
  .header-divider{width:1px;height:22px;background:var(--line)}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--ink);
    padding:6px 2px;border-bottom:1px solid transparent;
    transition:border-color .2s,color .2s;
  }
  .text-link .arw{transition:transform .2s var(--ease)}
  .text-link:hover{border-color:var(--ink)}
  .text-link:hover .arw{transform:translateX(3px)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--r-pill);
    border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;
  }
  .btn-primary{background:var(--ink);color:#fff}
  .btn-primary:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:var(--sh-2)}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
  .btn-ghost:hover{background:var(--sand)}
  .btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
  .btn-lime:hover{background:#fff;color:var(--ink);border-color:#fff}
  .btn-sm{padding:9px 17px;font-size:14px}
  .hamburger{
    display:none;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:5px;
    cursor:pointer;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
  @media (max-width:1023px){
    .chip-nav{display:none}
    .header-actions{display:none}
    .hamburger{display:flex;margin-left:auto}
    .header-inner{height:68px;gap:12px}
    .site-header.is-scrolled .header-inner{height:60px}
  }

  /* ---------- Drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;z-index:90;background:rgba(15,46,42,.42);
    opacity:0;visibility:hidden;transition:opacity .28s,visibility .28s;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:95;
    width:min(86vw,344px);
    background:var(--paper);
    border-left:1px solid var(--line);
    box-shadow:-24px 0 48px -30px rgba(15,46,42,.5);
    transform:translateX(105%);
    transition:transform .32s var(--ease);
    display:flex;flex-direction:column;
    padding:22px 22px calc(20px + env(safe-area-inset-bottom));
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
    font-size:18px;line-height:1;cursor:pointer;color:var(--ink);
  }
  .drawer-list{display:flex;flex-direction:column;gap:6px;padding:20px 0;flex:1;overflow-y:auto}
  .drawer-list a{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 14px;border-radius:12px;
    font-size:15px;font-weight:600;color:var(--ink);
    background:#fff;border:1px solid var(--line);
    transition:background .2s,border-color .2s;
  }
  .drawer-list a:hover{background:var(--sand)}
  .drawer-list a.is-active{border-color:var(--ink);box-shadow:inset 3px 0 0 var(--lime)}
  .drawer-foot{padding-top:16px;border-top:1px solid var(--line)}
  .drawer-foot .btn{width:100%}

  /* ---------- Common section ---------- */
  .section{padding:96px 0}
  @media (max-width:900px){.section{padding:68px 0}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--muted);text-transform:uppercase;
    margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
  .h2{
    font-size:clamp(26px,3.4vw,42px);
    font-weight:700;line-height:1.16;letter-spacing:-.01em;color:var(--ink);
  }
  .lede{color:var(--muted);font-size:16px;line-height:1.78}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:var(--r-pill);
    background:var(--sand);color:var(--ink);
    font-size:12px;font-weight:600;letter-spacing:.08em;
  }
  .badge-lime{background:rgba(200,242,78,.34)}

  /* ---------- Breadcrumb ---------- */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:20px 0 0}
  .crumb a{color:var(--muted);transition:color .2s}
  .crumb a:hover{color:var(--ink)}
  .crumb .sep{opacity:.5}
  .crumb .now{color:var(--ink);font-weight:600}

  /* ---------- Category hero ---------- */
  .cat-hero{position:relative;padding:44px 0 76px;overflow:hidden}
  .cat-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center}
  .cat-hero h1{
    font-size:clamp(34px,4.6vw,60px);
    font-weight:800;line-height:1.08;letter-spacing:-.02em;color:var(--ink);
    margin:14px 0 18px;
  }
  .cat-hero h1 em{font-style:normal;position:relative;white-space:nowrap}
  .cat-hero h1 em::after{
    content:"";position:absolute;left:0;right:0;bottom:.08em;height:.28em;
    background:var(--lime);opacity:.55;border-radius:3px;z-index:-1;
  }
  .cat-hero .sub{max-width:520px;font-size:17px;color:var(--muted);line-height:1.75}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
  .metric-num{font-family:"Space Grotesk","Inter",sans-serif;font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;line-height:1;color:var(--ink)}
  .metric-label{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.04em}
  .hero-visual{position:relative}
  .hero-visual img{width:100%;height:356px;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line)}
  .hero-visual::before{
    content:"";position:absolute;inset:auto -14px -14px auto;
    width:120px;height:120px;border-radius:22px;
    background:var(--lime);opacity:.28;z-index:-1;
  }
  .hero-tip{
    position:absolute;left:16px;bottom:16px;right:16px;
    background:rgba(247,246,242,.94);
    border:1px solid var(--line);border-radius:12px;
    padding:12px 14px;font-size:13px;color:var(--ink);line-height:1.6;
    backdrop-filter:blur(6px);
  }
  @media (max-width:900px){
    .cat-hero-grid{grid-template-columns:1fr;gap:32px}
    .hero-visual img{height:250px}
    .cat-hero{padding:34px 0 56px}
  }

  /* ---------- Guide nav cards ---------- */
  .guide-nav{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .guide-item{
    display:flex;align-items:flex-start;gap:14px;
    padding:18px 20px;border-radius:var(--r-pill);
    background:#fff;border:1px solid var(--line);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
  }
  .guide-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6d3c6}
  .guide-item .g-num{
    flex:none;width:34px;height:34px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--lime);color:var(--ink);
    font-family:"Space Grotesk","Inter",sans-serif;font-size:13px;font-weight:700;
  }
  .guide-item .g-title{font-size:15px;font-weight:700;color:var(--ink)}
  .guide-item .g-desc{font-size:13px;color:var(--muted);line-height:1.6;margin-top:3px}
  @media (max-width:640px){
    .guide-grid{grid-template-columns:1fr}
    .guide-item{border-radius:16px}
  }

  /* ---------- Main body: left content + right sticky ---------- */
  .body-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
  @media (max-width:1023px){.body-grid{grid-template-columns:1fr;gap:36px}}
  .content-block{padding:34px 0;border-bottom:1px solid var(--line);scroll-margin-top:96px}
  .content-block:first-child{padding-top:0}
  .content-block:last-child{border-bottom:none;padding-bottom:0}
  .block-index{
    font-family:"Space Grotesk","Inter",sans-serif;
    font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--muted);
    display:inline-flex;align-items:center;gap:10px;margin-bottom:10px;
  }
  .block-index i{display:block;width:26px;height:2px;background:var(--lime);border-radius:2px;font-style:normal}
  .content-block h2{font-size:23px;font-weight:700;line-height:1.34;color:var(--ink);letter-spacing:-.01em}
  .content-block h3{font-size:17px;font-weight:700;color:var(--ink);margin-top:22px}
  .content-block p{margin-top:12px;font-size:16px;line-height:1.82;color:#2b3733}
  .content-block p.muted{color:var(--muted)}
  .check-list{margin-top:16px;display:grid;gap:10px}
  .check-list li{
    position:relative;padding-left:26px;
    font-size:15.5px;line-height:1.75;color:#2b3733;
  }
  .check-list li::before{
    content:"";position:absolute;left:0;top:.62em;
    width:9px;height:9px;border-radius:2px;
    background:var(--lime);border:1px solid #a9d130;
  }
  .inline-note{
    margin-top:18px;padding:14px 16px;
    border-left:3px solid var(--lime);
    background:var(--sand);
    border-radius:0 10px 10px 0;
    font-size:14.5px;color:var(--muted);line-height:1.72;
  }

  /* sticky aside */
  .aside-card{
    position:sticky;top:96px;
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:26px;
    box-shadow:var(--sh-1);
  }
  .aside-card h3{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
  .aside-list{margin-top:18px;display:grid;gap:14px}
  .aside-list li{display:flex;gap:12px;align-items:flex-start}
  .aside-list .a-num{
    flex:none;font-family:"Space Grotesk","Inter",sans-serif;
    font-size:13px;font-weight:700;color:var(--ink);
    background:rgba(200,242,78,.42);border-radius:7px;
    padding:2px 7px;line-height:1.5;
  }
  .aside-list .a-text{font-size:14.5px;line-height:1.68;color:#2b3733}
  .aside-sep{height:1px;background:var(--line);margin:22px 0}
  .aside-cta{display:flex;flex-direction:column;gap:10px}
  .aside-cta .btn{width:100%}
  .aside-note{font-size:12.5px;color:var(--muted);line-height:1.65}
  @media (max-width:1023px){
    .aside-card{position:static}
  }

  /* ---------- Card grid ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  @media (max-width:1100px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:560px){.card-grid{grid-template-columns:1fr}}
  .info-card{
    display:flex;flex-direction:column;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
  }
  .info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d8d5c8}
  .info-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
  .info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
  .info-card:hover .thumb img{transform:scale(1.04)}
  .info-card .thumb .badge{position:absolute;left:12px;top:12px;background:rgba(200,242,78,.9);color:var(--ink)}
  .info-card .ic-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .info-card h3{
    font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .2s;
  }
  .info-card:hover h3{color:#0b221f}
  .info-card p{
    font-size:14px;line-height:1.68;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .info-card .ic-foot{
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
    font-size:12.5px;color:var(--muted);letter-spacing:.03em;
  }
  .info-card .ic-more{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--ink)}
  .info-card:hover .ic-more .arw{transform:translateX(3px)}
  .ic-more .arw{transition:transform .2s var(--ease)}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
  @media (max-width:900px){.faq-wrap{grid-template-columns:1fr;gap:28px}}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
    transition:color .2s;
  }
  .faq-q:hover{color:#0b221f}
  .faq-ic{
    flex:none;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);background:var(--sand);
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:600;color:var(--ink);line-height:1;
    transition:transform .3s var(--ease),background .2s,border-color .2s;
  }
  .faq-item.open .faq-ic{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
  .faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:760px}

  /* ---------- CTA band ---------- */
  .cta-band{background:var(--ink);color:var(--light);border-radius:var(--r-lg);padding:52px 44px;position:relative;overflow:hidden}
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,242,78,.22),transparent 70%);
  }
  .cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.2;letter-spacing:-.01em;color:#fff;max-width:640px}
  .cta-band p{margin-top:14px;font-size:15.5px;color:rgba(242,245,241,.76);max-width:620px;line-height:1.75}
  .cta-band .cta-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
  @media (max-width:640px){.cta-band{padding:36px 24px;border-radius:16px}}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink);color:var(--light);margin-top:96px;padding-top:64px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
  @media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
  @media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
  .footer-logo{
    display:inline-flex;align-items:center;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;
  }
  .footer-logo .logo-j9{background:var(--lime);color:var(--ink)}
  .footer-desc{margin-top:14px;font-size:14px;line-height:1.78;color:rgba(242,245,241,.72);max-width:320px}
  .footer-tag{margin-top:16px;font-size:12.5px;color:rgba(242,245,241,.55);letter-spacing:.04em}
  .f-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(242,245,241,.55);margin-bottom:16px}
  .f-list{display:grid;gap:11px}
  .f-list a,.f-list span{font-size:14.5px;color:rgba(242,245,241,.82);transition:color .2s}
  .f-list a{position:relative;display:inline-block;padding-bottom:1px}
  .f-list a::after{
    content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--lime);
    transition:width .25s var(--ease);
  }
  .f-list a:hover{color:#fff}
  .f-list a:hover::after{width:100%}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);
    padding:20px 0 calc(20px + env(safe-area-inset-bottom));
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(242,245,241,.6);
  }
  .footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
  .footer-bottom a{transition:color .2s}
  .footer-bottom a:hover{color:var(--lime)}

  /* ---------- Floating CTA ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:70;
    display:inline-flex;align-items:center;gap:8px;
    padding:13px 22px;border-radius:var(--r-pill);
    background:var(--ink);color:#fff;
    font-size:15px;font-weight:600;
    border:1px solid var(--lime);
    box-shadow:0 10px 24px -14px rgba(15,46,42,.7);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s,box-shadow .25s;
  }
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
  .float-cta:hover{transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(15,46,42,.85)}
  @media (max-width:767px){
    .float-cta{
      left:0;right:0;bottom:0;
      justify-content:center;border-radius:0;
      padding:0 16px;height:56px;
      padding-bottom:env(safe-area-inset-bottom);
      border-left:0;border-right:0;border-bottom:0;
      transform:translateY(100%);
    }
    .float-cta.show{transform:translateY(0)}
    .float-cta:hover{transform:translateY(0)}
    body{padding-bottom:56px}
    .site-footer{margin-top:72px}
  }

  /* ---------- Reveal ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{transition:none !important;animation:none !important}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category2 */
:root{
  --ink:#0F2E2A;
  --ink-soft:#1C3F3A;
  --lime:#C8F24E;
  --paper:#F7F6F2;
  --sand:#EFEDE5;
  --text:#1B2422;
  --muted:#5C6A65;
  --line:#E1DFD6;
  --err:#C33F35;
  --r-pill:999px;
  --r-card:14px;
  --r-lg:20px;
  --r-img:10px;
  --sh-1:0 1px 2px rgba(15,46,42,.06);
  --sh-2:0 14px 34px -14px rgba(15,46,42,.22);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter","Noto Sans SC",sans-serif;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.site-body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size: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}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:112px 0}
.section-alt{background:var(--sand)}
.section-tight{padding:88px 0}
[id]{scroll-margin-top:96px}

.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--muted);
  margin-bottom:14px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,42px);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.015em;
  color:var(--ink);
}
.section-head p{
  color:var(--muted);
  font-size:15.5px;
  margin-top:12px;
  max-width:620px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink);border-color:var(--ink)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--sand)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#fff;color:var(--ink)}
.btn-outline-light{background:transparent;color:#F2F5F1;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:var(--lime);color:var(--lime)}
.btn:hover .arrow{transform:translateX(3px)}
.arrow{display:inline-block;transition:transform .2s var(--ease)}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  position:relative;
  padding-bottom:3px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}
.text-link:hover .arrow{transform:translateX(3px)}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,242,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 28px -22px rgba(15,46,42,.55)}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:16px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:padding .25s var(--ease);
}
.site-header.is-scrolled .header-inner{padding-top:10px;padding-bottom:10px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 7px;
  border-radius:8px;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.chip-nav{
  display:flex;
  align-items:center;
  gap:4px;
  padding:5px;
  border-radius:var(--r-pill);
  background:var(--sand);
}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 17px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14.5px;
  color:#3E4C48;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{color:var(--ink);background:rgba(255,255,255,.7)}
.chip.is-active{
  background:#fff;
  color:var(--ink);
  font-weight:600;
  border-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-right{display:flex;align-items:center;gap:18px}
.header-divider{width:1px;height:26px;background:var(--line)}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,46,42,.45);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:95;
  width:min(340px,86vw);
  height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .34s var(--ease);
  padding:22px 22px calc(22px + env(safe-area-inset-bottom));
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--ink);display:flex;align-items:center;justify-content:center;background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:22px 0;flex:1}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;color:var(--text);transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--sand)}
.drawer-nav a.is-current{background:var(--ink);color:#fff;font-weight:600}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* Hero */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);color:#F2F5F1;padding:64px 0 80px}
.cat-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.44;
}
.cat-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(15,46,42,.96) 0%,rgba(15,46,42,.84) 46%,rgba(15,46,42,.56) 100%);
}
.cat-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:56px;
  align-items:end;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,241,.68);margin-bottom:22px}
.breadcrumb a{color:rgba(242,245,241,.82)}
.breadcrumb a:hover{color:var(--lime)}
.badge-lime{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(200,242,78,.22);
  border:1px solid rgba(200,242,78,.45);
  color:var(--lime);
  font-size:12.5px;letter-spacing:.12em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(34px,4.8vw,60px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
  color:#FFFFFF;
  max-width:15em;
}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.8;
  color:rgba(242,245,241,.82);
  max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:40px;
  margin-top:46px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-metrics strong{
  display:block;
  font-family:var(--font-num);
  font-size:32px;font-weight:700;line-height:1;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.hero-metrics span{display:block;margin-top:8px;font-size:13px;color:rgba(242,245,241,.7);letter-spacing:.06em}
.cat-hero-side{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:26px 24px;
}
.cat-hero-side h2{
  font-size:16px;font-weight:600;letter-spacing:.04em;
  color:#fff;margin-bottom:16px;
}
.cat-hero-side ul{display:flex;flex-direction:column;gap:13px}
.cat-hero-side li{
  display:flex;gap:11px;
  font-size:14.5px;line-height:1.6;color:rgba(242,245,241,.84);
}
.cat-hero-side li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;margin-top:8px;
  border-radius:2px;
  background:var(--lime);
}

/* 步骤条 */
.steps-wrap{position:relative}
.steps-track{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px 24px;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFD8C9}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--lime);color:var(--ink);
  font-family:var(--font-num);font-size:13px;font-weight:700;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.4}
.step-card p{font-size:14px;line-height:1.7;color:var(--muted)}
.step-card::after{
  content:"";
  position:absolute;top:36px;right:-16px;
  width:16px;height:1px;background:var(--line);
}
.step-card:last-child::after{display:none}

/* 图文交替 */
.flow-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px;
  align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.flow-row:last-child{border-bottom:0;padding-bottom:0}
.flow-row:first-child{padding-top:0}
.flow-row.is-reverse .flow-media{order:2}
.flow-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s var(--ease)}
.flow-row:hover .flow-media img{transform:scale(1.03)}
.flow-media-tag{
  position:absolute;left:16px;top:16px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(247,246,242,.94);
  color:var(--ink);font-size:12px;letter-spacing:.08em;
}
.flow-text .num-tag{
  display:inline-block;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--muted);margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.flow-text h3{
  font-size:clamp(21px,2.4vw,27px);
  font-weight:700;line-height:1.28;letter-spacing:-.01em;
  color:var(--ink);margin-bottom:16px;
}
.flow-text p{font-size:16px;line-height:1.85;color:#3C4A46;margin-bottom:14px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.check-list li{
  display:flex;gap:11px;font-size:15px;line-height:1.7;color:#33423E;
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;margin-top:5px;
  border-radius:5px;
  background:rgba(200,242,78,.5);
  border:1px solid #A8CC2F;
}

/* 要点卡 */
.point-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.point-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.point-card h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:14px}
.point-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.point-card.is-dark{
  background:var(--ink);
  border-color:var(--ink);
  color:#F2F5F1;
}
.point-card.is-dark h3{color:#fff}
.point-card.is-dark p{color:rgba(242,245,241,.72)}
.big-num{
  font-family:var(--font-num);
  font-size:52px;font-weight:700;line-height:1;
  color:var(--lime);
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  margin-bottom:10px;
}
.small-list{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.small-list li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.6;color:#33423E;
}
.small-list li span.dot{
  flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--ink);
}
.quote-note{
  border-left:3px solid var(--lime);
  background:var(--sand);
  border-radius:0 var(--r-img) var(--r-img) 0;
  padding:16px 18px;
  font-size:14.5px;line-height:1.8;color:#33423E;
}

/* 更新列表 */
.update-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.update-list li{
  display:grid;
  grid-template-columns:120px minmax(0,1fr) 140px;
  gap:24px;
  align-items:center;
  padding:22px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.update-list li:hover{background:rgba(255,255,255,.62)}
.update-list time{
  font-family:var(--font-num);font-size:13px;letter-spacing:.06em;
  color:var(--muted);font-variant-numeric:tabular-nums;
}
.update-list h3{font-size:16.5px;font-weight:600;color:var(--ink);margin-bottom:4px}
.update-list p{font-size:14px;color:var(--muted);line-height:1.7}
.update-list .tag{
  justify-self:end;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--sand);border:1px solid var(--line);
  font-size:12px;letter-spacing:.08em;color:#42504C;
}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.1fr);gap:64px;align-items:start}
.faq-intro h2{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;line-height:1.16;letter-spacing:-.015em;color:var(--ink);
}
.faq-intro p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:22em}
.faq-intro .text-link{margin-top:24px}
.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:24px;
  padding:24px 4px;
  text-align:left;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#255149}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--ink);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .25s var(--ease)}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(45deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s var(--ease)}
.faq-a p{
  padding:0 4px 26px;
  font-size:15px;line-height:1.85;color:var(--muted);
  max-width:60em;
}

/* 结尾 CTA */
.cta-band{
  background:var(--ink);
  color:#F2F5F1;
  padding:72px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(26px,3.6vw,44px);
  font-weight:700;line-height:1.14;letter-spacing:-.02em;color:#fff;max-width:18em;
}
.cta-inner p{margin-top:14px;font-size:15.5px;color:rgba(242,245,241,.76);max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#F2F5F1;
  padding-top:96px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:56px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.brand-light{color:#fff}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;line-height:1.85;color:rgba(242,245,241,.72);
  max-width:26em;
}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:rgba(242,245,241,.6);
  font-weight:600;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span.item{
  font-size:14.5px;color:rgba(242,245,241,.86);
  position:relative;padding-bottom:2px;
  transition:color .2s var(--ease);
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.footer-col a:hover{color:var(--lime)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:26px 0 34px;
  font-size:13px;color:rgba(242,245,241,.62);
}
.footer-bottom .meta{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--lime)}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;
  border:1px solid var(--lime);
  font-size:15px;font-weight:600;
  box-shadow:0 14px 34px -14px rgba(15,46,42,.5);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(15,46,42,.6)}
.float-dot{width:8px;height:8px;border-radius:50%;background:var(--lime)}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1024px){
  .chip-nav{display:none}
  .header-divider,.header-right .text-link,.header-right .btn{display:none}
  .menu-toggle{display:inline-flex}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;align-items:start}
  .cat-hero h1{max-width:100%}
  .steps-track{grid-template-columns:repeat(5,minmax(220px,1fr));overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}
  .step-card{scroll-snap-align:start}
  .step-card::after{display:none}
  .flow-row{grid-template-columns:1fr;gap:30px;padding:44px 0}
  .flow-row.is-reverse .flow-media{order:0}
  .point-grid{grid-template-columns:1fr 1fr}
  .point-card.is-dark{grid-column:1 / -1}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  body.site-body{padding-bottom:72px}
  .container{padding:0 24px}
  .header-inner{padding:14px 24px}
  .section{padding:76px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .cat-hero{padding:40px 0 56px}
  .hero-metrics{gap:28px;margin-top:34px}
  .hero-metrics strong{font-size:26px}
  .update-list li{grid-template-columns:1fr;gap:8px;padding:20px 4px}
  .update-list .tag{justify-self:start}
  .cta-band{padding:56px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .point-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .site-footer{padding-top:64px}
  .faq-q{font-size:16px;padding:20px 2px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;
    justify-content:center;opacity:1;transform:none;pointer-events:auto;
    padding:0 20px calc(0px + env(safe-area-inset-bottom));
    border-left:0;border-right:0;border-bottom:0;
  }
  .float-cta:hover{transform:none}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .header-inner{padding:12px 20px}
  .brand{font-size:17px}
  .brand-mark{min-width:30px;height:24px;font-size:13px}
  .cat-hero h1{font-size:clamp(28px,8vw,36px);line-height:1.16}
  .hero-sub{font-size:15.5px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .hero-metrics{gap:22px}
  .flow-text h3{font-size:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
}